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Reduction of logs from ITS local reconstruction
[u/mrichter/AliRoot.git] / ITS / AliITSv11GeometrySupport.cxx
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172b0d90 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
cee918ed 16// This class Defines the Geometry for the ITS services and support cones
17// outside of the ceneteral volume (except for the Ceneteral support
18// cylinders. Other classes define the rest of the ITS. Specificaly the ITS
19// The SSD support cone,SSD Support centeral cylinder, SDD support cone,
20// The SDD cupport centeral cylinder, the SPD Thermal Sheald, The supports
21// and cable trays on both the RB26 (muon dump) and RB24 sides, and all of
22// the cabling from the ladders/stave ends out past the TPC.
23
172b0d90 24/* $Id$ */
172b0d90 25// General Root includes
172b0d90 26#include <TMath.h>
172b0d90 27// Root Geometry includes
543b7370 28//#include <AliLog.h>
172b0d90 29#include <TGeoManager.h>
30#include <TGeoVolume.h>
31#include <TGeoPcon.h>
32#include <TGeoCone.h>
33#include <TGeoTube.h> // contaings TGeoTubeSeg
34#include <TGeoArb8.h>
db486a6e 35#include <TGeoXtru.h>
172b0d90 36#include <TGeoCompositeShape.h>
37#include <TGeoMatrix.h>
172b0d90 38#include "AliITSv11GeometrySupport.h"
39
40ClassImp(AliITSv11GeometrySupport)
41
42#define SQ(A) (A)*(A)
43
44//______________________________________________________________________
a275e8ba 45void AliITSv11GeometrySupport::SPDCone(TGeoVolume *moth,TGeoManager *mgr)
46{
47//
48// Creates the SPD thermal shield as a volume assembly
49// and adds it to the mother volume
50// (this is actually a merge of the previous SPDThermalSheald method
51// of AliITSv11GeometrySupport.cxx,v 1.9 2007/06/06 and the
52// CreateSPDThermalShield method of AliITSv11Hybrid)
53//
54// Input:
55// moth : the TGeoVolume owing the volume structure
56// mgr : the GeoManager (default gGeoManager)
57// Output:
58//
59// Created: ??? ???
60// Updated: 11 Dec 2007 Mario Sitta
61//
62// Technical data are taken from: ALICE-Thermal Screen "Cone transition"
63// (thermal-screen1_a3.ps), "Cylinder" (thermal-screen2_a3.ps), "Half
64// assembly" (thermal-screen3_a3.ps), "Flange" (thermal-screen4_a3.ps)
65
66
67 // Dimensions of the Central shield
ddf00e3c 68 const Double_t kHalfLengthCentral = 400.*fgkmm;
a275e8ba 69 const Double_t kThicknessCentral = 0.4*fgkmm;
70 const Double_t kInnerRadiusCentral = 8.1475*fgkcm;
71 const Double_t kOuterRadiusCentral = 9.9255*fgkcm;
72 const Double_t kInnerACentral = 3.1674*fgkcm;
73 const Double_t kInnerBCentral = 2.023 *fgkcm;
74 const Double_t kOuterACentral = 2.4374*fgkcm;
75 const Double_t kOuterBCentral = 3.8162*fgkcm;
76 // Dimensions of the EndCap shield
77 const Double_t kHalfLengthEndCap = 25.*fgkmm;
78 const Double_t kThicknessEndCap = 2.0*fgkmm;
79 const Double_t kInnerRadiusEndCap = 8.0775*fgkcm;
80 const Double_t kOuterRadiusEndCap = 9.9955*fgkcm;
81 const Double_t kInnerAEndCap = 3.1453*fgkcm;
82 const Double_t kInnerBEndCap = 2.0009*fgkcm;
83 const Double_t kOuterAEndCap = 2.4596*fgkcm;
84 const Double_t kOuterBEndCap = 3.8384*fgkcm;
85 // Dimensions of the Cone shield
86 const Double_t kHalfLengthCone = 145.*fgkmm;
87 const Double_t kThicknessCone = 0.3*fgkmm;
88 const Double_t kInnerRadialCone = 37.3*fgkcm;
89 const Double_t kOuterRadialCone = 39.0*fgkcm;
90 const Double_t kInnerACone = 14.2344*fgkcm;
91 // const Double_t kInnerBCone = 9.0915*fgkcm;
92 const Double_t kOuterACone = 9.5058*fgkcm;
93 // const Double_t kOuterBCone = 14.8831*fgkcm;
94 // Dimensions of the Flange's Ring and Wing
95 const Double_t kHalfLengthRing = 7.5*fgkmm;
96 const Double_t kThicknessRing = 0.3*fgkmm;
97 const Double_t kInnerRadiusRing = 37.3*fgkcm;
98 const Double_t kOuterRadiusRing = 42.0*fgkcm;
99 const Double_t kOuterRadiusWing = 49.25*fgkcm;
ca86fdb4 100 const Double_t kWideWing = 6.0*fgkcm;
0b9c8a10 101 const Double_t kThetaWing = 45.0;
a275e8ba 102 // Common data
103 const Double_t kTheta = 36.0*TMath::DegToRad();
104 const Double_t kThicknessOmega = 0.3*fgkmm;
105
106 // Local variables
107 Double_t x, y;
108 Double_t xshld[24], yshld[24];
109 Double_t xair[24] , yair[24];
110 Double_t xomega[48], yomega[48];
111 // Double_t *xyarb8;
112
113 // The entire shield is made up of two half central shields
114 // symmetric with respect to the XZ plane, four half end cap
115 // shields, again symmetric with respect to the XZ plane, and four
116 // half cones, symmetric with respect to the XZ plane too.
117
118 TGeoVolumeAssembly *vM = new TGeoVolumeAssembly("ITSspdThermalShield");
119
120 // The central half shield: a half tube of carbon fiber,
121 // a similar but proportionally smaller half tube of air inside it,
122 // and a Omega-shaped carbon fiber insert inside the air.
123 // They are all XTru shapes
124
125 TGeoXtru *centralshape = new TGeoXtru(2);
126
127 CreateSPDThermalShape(kInnerACentral,kInnerBCentral,kInnerRadiusCentral,
128 kOuterACentral,kOuterBCentral,kOuterRadiusCentral,
129 kTheta,xshld,yshld);
130
131 centralshape->DefinePolygon(24,xshld,yshld);
132 centralshape->DefineSection(0,-kHalfLengthCentral);
133 centralshape->DefineSection(1, kHalfLengthCentral);
134
135 // Now rescale to get the air volume dimensions
136 InsidePoint(xshld[23], yshld[23],
137 xshld[ 0], yshld[ 0],
138 xshld[ 1], yshld[ 1], kThicknessCentral,
139 xair[0], yair[0]);
140 for (Int_t i=1; i<23; i++) {
141 InsidePoint(xshld[i-1], yshld[i-1],
142 xshld[ i ], yshld[ i ],
143 xshld[i+1], yshld[i+1], kThicknessCentral,
144 xair[i], yair[i]);
145 }
146 InsidePoint(xshld[22], yshld[22],
147 xshld[23], yshld[23],
148 xshld[ 0], yshld[ 0], kThicknessCentral,
149 xair[23], yair[23]);
150
151 // Create the air shape
152 TGeoXtru *centralairshape = new TGeoXtru(2);
153
154 centralairshape->DefinePolygon(24,xair,yair);
155 centralairshape->DefineSection(0,-kHalfLengthCentral);
156 centralairshape->DefineSection(1, kHalfLengthCentral);
157
158 // Create the Omega insert
159 TGeoXtru *centralomegashape = new TGeoXtru(2);
160
3d2705b6 161 CreateSPDOmegaShape(xair,yair,kThicknessOmega,xomega,yomega);
a275e8ba 162
163 centralomegashape->DefinePolygon(48,xomega,yomega);
164 centralomegashape->DefineSection(0,-kHalfLengthCentral);
165 centralomegashape->DefineSection(1, kHalfLengthCentral);
166
167 // The end cap half shield: a half tube of carbon fiber,
168 // a similar but proportionally smaller half tube of air inside it,
169 // and a Omega-shaped carbon fiber insert inside the air.
170 // They are all XTru shapes
171
172 TGeoXtru *endcapshape = new TGeoXtru(2);
173
174 CreateSPDThermalShape(kInnerAEndCap,kInnerBEndCap,kInnerRadiusEndCap,
175 kOuterAEndCap,kOuterBEndCap,kOuterRadiusEndCap,
176 kTheta,xshld,yshld);
177
178 endcapshape->DefinePolygon(24,xshld,yshld);
179 endcapshape->DefineSection(0,-kHalfLengthEndCap);
180 endcapshape->DefineSection(1, kHalfLengthEndCap);
181
182 // Now rescale to get the air volume dimensions
183 InsidePoint(xshld[23], yshld[23],
184 xshld[ 0], yshld[ 0],
185 xshld[ 1], yshld[ 1], kThicknessEndCap,
186 xair[0], yair[0]);
187 for (Int_t i=1; i<23; i++) {
188 InsidePoint(xshld[i-1], yshld[i-1],
189 xshld[ i ], yshld[ i ],
190 xshld[i+1], yshld[i+1], kThicknessEndCap,
191 xair[i], yair[i]);
192 }
193 InsidePoint(xshld[22], yshld[22],
194 xshld[23], yshld[23],
195 xshld[ 0], yshld[ 0], kThicknessEndCap,
196 xair[23], yair[23]);
197
198 // Create the air shape
199 TGeoXtru *endcapairshape = new TGeoXtru(2);
200
201 endcapairshape->DefinePolygon(24,xair,yair);
202 endcapairshape->DefineSection(0,-kHalfLengthEndCap);
203 endcapairshape->DefineSection(1, kHalfLengthEndCap);
204
205 // Create the Omega insert
206 TGeoXtru *endcapomegashape = new TGeoXtru(2);
207
3d2705b6 208 CreateSPDOmegaShape(xair,yair,kThicknessOmega,xomega,yomega);
a275e8ba 209
210 endcapomegashape->DefinePolygon(48,xomega,yomega);
211 endcapomegashape->DefineSection(0,-kHalfLengthEndCap);
212 endcapomegashape->DefineSection(1, kHalfLengthEndCap);
213
214 // The cone half shield is more complex since there is no basic
215 // TGeo shape to describe it correctly. So it is made of a series
216 // of TGeoArb8 shapes filled with air, which all together make up the
217 // the cone AND its internal insert. Part of the following code is
218 // adapted from SPDThermalSheald method.
219
220 // Filled portions
221 TGeoArb8 *sC1 = new TGeoArb8(kHalfLengthCone);
222 TGeoArb8 *sC2 = new TGeoArb8(kHalfLengthCone);
223
224 CreateSPDThermalShape(kInnerACentral,kInnerBCentral,kInnerRadiusCentral,
225 kOuterACentral,kOuterBCentral,kOuterRadiusCentral,
226 kTheta,xshld,yshld);
227
228 sC1->SetVertex(0,xshld[12],yshld[12]);
229 sC1->SetVertex(1,xshld[11],yshld[11]);
230 sC1->SetVertex(2,xshld[ 0],yshld[ 0]);
231 sC1->SetVertex(3,xshld[23],yshld[23]);
232
233 sC2->SetVertex(0,xshld[11],yshld[11]);
234 sC2->SetVertex(1,xshld[10],yshld[10]);
235 sC2->SetVertex(2,xshld[ 1],yshld[ 1]);
236 sC2->SetVertex(3,xshld[ 0],yshld[ 0]);
237
238 // Drawings give only the radius, convert it to the apothegm
239 Double_t kInnerRadiusCone = TMath::Sqrt(kInnerRadialCone*kInnerRadialCone
240 - 0.25*kInnerACone*kInnerACone);
241 Double_t kOuterRadiusCone = TMath::Sqrt(kOuterRadialCone*kOuterRadialCone
242 - 0.25*kOuterACone*kOuterACone);
243
244 Double_t xco[4], yco[4], xci[4], yci[4];
245
246 for (Int_t i=0; i<2; i++) {
247 Double_t th = i*kTheta*TMath::RadToDeg();
248 xco[2*i ] = kOuterRadiusCone*SinD(th) - 0.5*kOuterACone*CosD(th);
249 yco[2*i ] = kOuterRadiusCone*CosD(th) + 0.5*kOuterACone*SinD(th);
250 xci[2*i ] = kInnerRadiusCone*SinD(th) - 0.5*kInnerACone*CosD(th);
251 yci[2*i ] = kInnerRadiusCone*CosD(th) + 0.5*kInnerACone*SinD(th);
252 xco[2*i+1] = kOuterRadiusCone*SinD(th) + 0.5*kOuterACone*CosD(th);
253 yco[2*i+1] = kOuterRadiusCone*CosD(th) - 0.5*kOuterACone*SinD(th);
254 xci[2*i+1] = kInnerRadiusCone*SinD(th) + 0.5*kInnerACone*CosD(th);
255 yci[2*i+1] = kInnerRadiusCone*CosD(th) - 0.5*kInnerACone*SinD(th);
256 }
257
258 sC1->SetVertex(4,xco[0],yco[0]);
259 sC1->SetVertex(5,xco[1],yco[1]);
260 sC1->SetVertex(6,xci[1],yci[1]);
261 sC1->SetVertex(7,xci[0],yci[0]);
262
263 sC2->SetVertex(4,xco[1],yco[1]);
264 sC2->SetVertex(5,xco[2],yco[2]);
265 sC2->SetVertex(6,xci[2],yci[2]);
266 sC2->SetVertex(7,xci[1],yci[1]);
267
268 // Air holes
269 TGeoArb8 *sCh1 = new TGeoArb8(kHalfLengthCone);
270 TGeoArb8 *sCh2 = new TGeoArb8(kHalfLengthCone);
271
272 for(Int_t i=0; i<4; i++){
273 InsidePoint(sC1->GetVertices()[((i+3)%4)*2+0],
274 sC1->GetVertices()[((i+3)%4)*2+1],
275 sC1->GetVertices()[i*2+0],
276 sC1->GetVertices()[i*2+1],
277 sC1->GetVertices()[((i+1)%4)*2+0],
278 sC1->GetVertices()[((i+1)%4)*2+1],-kThicknessCone,x,y);
279 sCh1->SetVertex(i,x,y);
280
281 InsidePoint(sC1->GetVertices()[((i+3)%4 +4)*2+0],
282 sC1->GetVertices()[((i+3)%4 +4)*2+1],
283 sC1->GetVertices()[(i+4)*2+0],
284 sC1->GetVertices()[(i+4)*2+1],
285 sC1->GetVertices()[((i+1)%4 +4)*2+0],
286 sC1->GetVertices()[((i+1)%4 +4)*2+1],-kThicknessCone,x,y);
287 sCh1->SetVertex(i+4,x,y);
288
289 InsidePoint(sC2->GetVertices()[((i+3)%4)*2+0],
290 sC2->GetVertices()[((i+3)%4)*2+1],
291 sC2->GetVertices()[i*2+0],
292 sC2->GetVertices()[i*2+1],
293 sC2->GetVertices()[((i+1)%4)*2+0],
294 sC2->GetVertices()[((i+1)%4)*2+1],-kThicknessCone,x,y);
295 sCh2->SetVertex(i,x,y);
296
297 InsidePoint(sC2->GetVertices()[((i+3)%4 +4)*2+0],
298 sC2->GetVertices()[((i+3)%4 +4)*2+1],
299 sC2->GetVertices()[(i+4)*2+0],
300 sC2->GetVertices()[(i+4)*2+1],
301 sC2->GetVertices()[((i+1)%4 +4)*2+0],
302 sC2->GetVertices()[((i+1)%4 +4)*2+1],-kThicknessCone,x,y);
303 sCh2->SetVertex(i+4,x,y);
304 }
305
306 // Finally the carbon fiber Ring with its Wings and their
307 // stesalite inserts. They are Tube and TubeSeg shapes
308
309 TGeoTube *ringshape = new TGeoTube(kInnerRadiusRing,kOuterRadiusRing,
310 kHalfLengthRing);
311
312 TGeoTube *ringinsertshape = new TGeoTube(kInnerRadiusRing+kThicknessRing,
313 kOuterRadiusRing-kThicknessRing,
314 kHalfLengthRing-kThicknessRing);
315
316 Double_t angleWideWing, angleWideWingThickness;
317 angleWideWing = (kWideWing/kOuterRadiusWing)*TMath::RadToDeg();
318 angleWideWingThickness = (kThicknessRing/kOuterRadiusWing)*TMath::RadToDeg();
319
320 TGeoTubeSeg *wingshape = new TGeoTubeSeg(kOuterRadiusRing,kOuterRadiusWing,
321 kHalfLengthRing, 0, angleWideWing);
322
323 TGeoTubeSeg *winginsertshape = new TGeoTubeSeg(kOuterRadiusRing,
324 kOuterRadiusWing-kThicknessRing, kHalfLengthRing-kThicknessRing,
325 angleWideWingThickness, angleWideWing-angleWideWingThickness);
326
327
328 // We have the shapes: now create the real volumes
329
330 TGeoMedium *medSPDcf = mgr->GetMedium("ITS_SPD shield$");
331 TGeoMedium *medSPDair = mgr->GetMedium("ITS_SPD AIR$");
332 TGeoMedium *medSPDste = mgr->GetMedium("ITS_G10FR4$"); // stesalite
333
334 TGeoVolume *centralshield = new TGeoVolume("SPDcentralshield",
335 centralshape,medSPDcf);
336 centralshield->SetVisibility(kTRUE);
337 centralshield->SetLineColor(7);
338 centralshield->SetLineWidth(1);
339
340 TGeoVolume *centralairshield = new TGeoVolume("SPDcentralairshield",
341 centralairshape,medSPDair);
342 centralairshield->SetVisibility(kTRUE);
343 centralairshield->SetLineColor(5); // Yellow
344 centralairshield->SetLineWidth(1);
345 centralairshield->SetFillColor(centralairshield->GetLineColor());
346 centralairshield->SetFillStyle(4090); // 90% transparent
347
348 TGeoVolume *centralomega = new TGeoVolume("SPDcentralomega",
349 centralomegashape,medSPDcf);
350 centralomega->SetVisibility(kTRUE);
351 centralomega->SetLineColor(7);
352 centralomega->SetLineWidth(1);
353
354 centralairshield->AddNode(centralomega,1,0);
355 centralshield->AddNode(centralairshield,1,0);
356
357 TGeoVolume *endcapshield = new TGeoVolume("SPDendcapshield",
358 endcapshape,medSPDcf);
359 endcapshield->SetVisibility(kTRUE);
360 endcapshield->SetLineColor(7);
361 endcapshield->SetLineWidth(1);
362
363 TGeoVolume *endcapairshield = new TGeoVolume("SPDendcapairshield",
364 endcapairshape,medSPDair);
365 endcapairshield->SetVisibility(kTRUE);
366 endcapairshield->SetLineColor(5); // Yellow
367 endcapairshield->SetLineWidth(1);
368 endcapairshield->SetFillColor(endcapairshield->GetLineColor());
369 endcapairshield->SetFillStyle(4090); // 90% transparent
370
371 TGeoVolume *endcapomega = new TGeoVolume("SPDendcapomega",
372 endcapomegashape,medSPDcf);
373 endcapomega->SetVisibility(kTRUE);
374 endcapomega->SetLineColor(7);
375 endcapomega->SetLineWidth(1);
376
377 endcapairshield->AddNode(endcapomega,1,0);
378 endcapshield->AddNode(endcapairshield,1,0);
379
380 TGeoVolume *vC1 = new TGeoVolume("SPDconeshieldV1",sC1,medSPDcf);
381 vC1->SetVisibility(kTRUE);
382 vC1->SetLineColor(7);
383 vC1->SetLineWidth(1);
384
385 TGeoVolume *vCh1 = new TGeoVolume("SPDconeshieldH1",sCh1,medSPDair);
386
387 vCh1->SetVisibility(kTRUE);
388 vCh1->SetLineColor(5); // Yellow
389 vCh1->SetLineWidth(1);
390 vCh1->SetFillColor(vCh1->GetLineColor());
391 vCh1->SetFillStyle(4090); // 90% transparent
392
393 vC1->AddNode(vCh1,1,0);
394
395 TGeoVolume *vC2 = new TGeoVolume("SPDconeshieldV2",sC2,medSPDcf);
396
397 vC2->SetVisibility(kTRUE);
398 vC2->SetLineColor(7);
399 vC2->SetLineWidth(1);
400
401 TGeoVolume *vCh2 = new TGeoVolume("SPDconeshieldH2",sCh2,medSPDair);
402
403 vCh2->SetVisibility(kTRUE);
404 vCh2->SetLineColor(5); // Yellow
405 vCh2->SetLineWidth(1);
406 vCh2->SetFillColor(vCh2->GetLineColor());
407 vCh2->SetFillStyle(4090); // 90% transparent
408
409 vC2->AddNode(vCh2,1,0);
410
411 TGeoVolume *ring = new TGeoVolume("SPDshieldring",ringshape,medSPDcf);
412 ring->SetVisibility(kTRUE);
413 ring->SetLineColor(7);
414 ring->SetLineWidth(1);
415
416 TGeoVolume *ringinsert = new TGeoVolume("SPDshieldringinsert",
417 ringinsertshape,medSPDste);
418 ringinsert->SetVisibility(kTRUE);
419 ringinsert->SetLineColor(3); // Green
420// ringinsert->SetLineWidth(1);
421 ringinsert->SetFillColor(ringinsert->GetLineColor());
422 ringinsert->SetFillStyle(4010); // 10% transparent
423
424 ring->AddNode(ringinsert,1,0);
425
426 TGeoVolume *wing = new TGeoVolume("SPDshieldringwing",wingshape,medSPDcf);
427 wing->SetVisibility(kTRUE);
428 wing->SetLineColor(7);
429 wing->SetLineWidth(1);
430
431 TGeoVolume *winginsert = new TGeoVolume("SPDshieldringinsert",
432 winginsertshape,medSPDste);
433 winginsert->SetVisibility(kTRUE);
434 winginsert->SetLineColor(3); // Green
435// winginsert->SetLineWidth(1);
436 winginsert->SetFillColor(winginsert->GetLineColor());
437 winginsert->SetFillStyle(4010); // 10% transparent
438
439 wing->AddNode(winginsert,1,0);
440
441
442 // Add all volumes in the assembly
443 vM->AddNode(centralshield,1,0);
444 vM->AddNode(centralshield,2,new TGeoRotation("",180,0,0));
445
446 vM->AddNode(endcapshield,1,
447 new TGeoTranslation(0,0, kHalfLengthCentral+kHalfLengthEndCap));
448 vM->AddNode(endcapshield,2,
449 new TGeoTranslation(0,0,-kHalfLengthCentral-kHalfLengthEndCap));
450 vM->AddNode(endcapshield,3,new TGeoCombiTrans(
451 0, 0, kHalfLengthCentral+kHalfLengthEndCap,
452 new TGeoRotation("",180,0,0) ) );
453 vM->AddNode(endcapshield,4,new TGeoCombiTrans(
454 0, 0,-kHalfLengthCentral-kHalfLengthEndCap,
455 new TGeoRotation("",180,0,0) ) );
456
457 for (Int_t i=0; i<10; i++) {
458 Double_t thetaC12 = kTheta*TMath::RadToDeg();
459 vM->AddNode(vC1,2*i+1, new TGeoCombiTrans(
460 0, 0, kHalfLengthCentral+2*kHalfLengthEndCap+kHalfLengthCone,
461 new TGeoRotation("",0, 0,i*thetaC12) ) );
462 vM->AddNode(vC1,2*i+2, new TGeoCombiTrans(
463 0, 0, -kHalfLengthCentral-2*kHalfLengthEndCap-kHalfLengthCone,
464 new TGeoRotation("",0,180,i*thetaC12) ) );
465 vM->AddNode(vC2,2*i+1, new TGeoCombiTrans(
466 0, 0, kHalfLengthCentral+2*kHalfLengthEndCap+kHalfLengthCone,
467 new TGeoRotation("",0, 0,i*thetaC12) ) );
468 vM->AddNode(vC2,2*i+2, new TGeoCombiTrans(
469 0, 0, -kHalfLengthCentral-2*kHalfLengthEndCap-kHalfLengthCone,
470 new TGeoRotation("",0,180,i*thetaC12) ) );
471 }
472
473 vM->AddNode(ring,1,new TGeoTranslation(0, 0,
474 kHalfLengthCentral+2*kHalfLengthEndCap+2*kHalfLengthCone
475 +kHalfLengthRing));
476 vM->AddNode(ring,2,new TGeoTranslation(0, 0,
477 -kHalfLengthCentral-2*kHalfLengthEndCap-2*kHalfLengthCone
478 -kHalfLengthRing));
479
0b9c8a10 480 for (Int_t i=0; i<4; i++) {
481 Double_t thetaW = kThetaWing*(2*i+1) - angleWideWing/2.;
482 vM->AddNode(wing,2*i+1,new TGeoCombiTrans(0, 0,
a275e8ba 483 kHalfLengthCentral+2*kHalfLengthEndCap+2*kHalfLengthCone
484 +kHalfLengthRing, new TGeoRotation("",thetaW,0,0) ));
0b9c8a10 485 vM->AddNode(wing,2*i+2,new TGeoCombiTrans(0, 0,
a275e8ba 486 -kHalfLengthCentral-2*kHalfLengthEndCap-2*kHalfLengthCone
487 -kHalfLengthRing, new TGeoRotation("",thetaW,0,0) ));
488 }
489
490 // Some debugging if requested
491 if(GetDebug(1)){
492 vM->PrintNodes();
493 vM->InspectShape();
494 }
495
496 // Finally put the entire shield in the mother volume
497 moth->AddNode(vM,1,0);
498
499 return;
500}
501
502//______________________________________________________________________
503void AliITSv11GeometrySupport::CreateSPDThermalShape(
504 Double_t ina, Double_t inb, Double_t inr,
505 Double_t oua, Double_t oub, Double_t our,
506 Double_t t, Double_t *x , Double_t *y )
507{
508//
509// Creates the proper sequence of X and Y coordinates to determine
510// the base XTru polygon for the SPD thermal shapes
511//
512// Input:
513// ina, inb : inner shape sides
514// inr : inner radius
515// oua, oub : outer shape sides
516// our : outer radius
517// t : theta angle
518//
519// Output:
520// x, y : coordinate vectors [24]
521//
522// Created: 14 Nov 2007 Mario Sitta
523// Updated: 11 Dec 2007 Mario Sitta
524//
525 Double_t xlocal[6],ylocal[6];
526
527 //Create the first inner quadrant (X > 0)
528 FillSPDXtruShape(ina,inb,inr,t,xlocal,ylocal);
529 for (Int_t i=0; i<6; i++) {
530 x[i] = xlocal[i];
531 y[i] = ylocal[i];
532 }
533
534 // Then reflex on the second quadrant (X < 0)
535 for (Int_t i=0; i<6; i++) {
536 x[23-i] = -x[i];
537 y[23-i] = y[i];
538 }
539
540 // Now create the first outer quadrant (X > 0)
541 FillSPDXtruShape(oua,oub,our,t,xlocal,ylocal);
542 for (Int_t i=0; i<6; i++) {
543 x[11-i] = xlocal[i];
544 y[11-i] = ylocal[i];
545 }
546
547 // Finally reflex on the second quadrant (X < 0)
548 for (Int_t i=0; i<6; i++) {
549 x[12+i] = -x[11-i];
550 y[12+i] = y[11-i];
551 }
552
553 return;
554}
555
556//______________________________________________________________________
557void AliITSv11GeometrySupport::CreateSPDOmegaShape(
3d2705b6 558 Double_t *xin, Double_t *yin, Double_t d,
559 Double_t *x, Double_t *y)
a275e8ba 560{
561//
562// Creates the proper sequence of X and Y coordinates to determine
563// the SPD Omega XTru polygon
564//
565// Input:
566// xin, yin : coordinates of the air volume
567// d : Omega shape thickness
568// t : theta angle
569//
570// Output:
571// x, y : coordinate vectors [48]
572//
573// Created: 17 Nov 2007 Mario Sitta
574// Updated: 11 Dec 2007 Mario Sitta
3d2705b6 575// Updated: 20 Feb 2009 Mario Sitta New algorithm (the old one
576// gives erroneous vertexes)
a275e8ba 577//
a275e8ba 578
3d2705b6 579 // This vector contains the index of those points which coincide
580 // with the corresponding points in the air shape
581 Int_t indexAir2Omega[12] = {1, 2, 5, 6, 9, 10, 11, 15, 16, 19, 20, 23};
a275e8ba 582
3d2705b6 583 // First fill those vertexes corresponding to
584 // the edges aligned to the air shape edges
585 for (Int_t j=0; j<12; j++) {
586 x[*(indexAir2Omega+j)] = xin[j];
587 y[*(indexAir2Omega+j)] = yin[j];
588 }
a275e8ba 589
3d2705b6 590 // Now get the coordinates of the first inner point
591 PointFromParallelLines(x[23],y[23],x[1],y[1],d,x[0],y[0]);
a275e8ba 592
3d2705b6 593 // Knowing this, the second internal point can be determined
594 InsidePoint(x[0],y[0],x[1],y[1],x[2],y[2],d,x[22],y[22]);
a275e8ba 595
3d2705b6 596 // The third point is now computable
597 ReflectPoint(x[1],y[1],x[2],y[2],x[22],y[22],x[21],y[21]);
a275e8ba 598
3d2705b6 599 // Repeat this logic
600 InsidePoint(x[21],y[21],x[20],y[20],x[19],y[19],-d,x[3],y[3]);
a275e8ba 601
3d2705b6 602 ReflectPoint(x[20],y[20],x[19],y[19],x[3],y[3],x[4],y[4]);
a275e8ba 603
3d2705b6 604 InsidePoint(x[4],y[4],x[5],y[5],x[6],y[6],d,x[18],y[18]);
a275e8ba 605
3d2705b6 606 ReflectPoint(x[5],y[5],x[6],y[6],x[18],y[18],x[17],y[17]);
a275e8ba 607
3d2705b6 608 InsidePoint(x[17],y[17],x[16],y[16],x[15],y[15],-d,x[7],y[7]);
a275e8ba 609
3d2705b6 610 ReflectPoint(x[16],y[16],x[15],y[15],x[7],y[7],x[8],y[8]);
a275e8ba 611
3d2705b6 612 InsidePoint(x[8],y[8],x[9],y[9],x[10],y[10],d,x[14],y[14]);
a275e8ba 613
614 // These need to be fixed explicitly
a275e8ba 615 x[12] = x[11];
616 y[12] = y[11] + d;
617 x[13] = x[10] + d;
618 y[13] = y[12];
619
3d2705b6 620 // Finally reflect on the negative side
a275e8ba 621 for (Int_t i=0; i<24; i++) {
622 x[24+i] = -x[23-i];
623 y[24+i] = y[23-i];
624 }
625
626 // Wow ! We've finished
627 return;
172b0d90 628}
a275e8ba 629
172b0d90 630//______________________________________________________________________
a275e8ba 631void AliITSv11GeometrySupport::FillSPDXtruShape(Double_t a, Double_t b,
632 Double_t r, Double_t t,
633 Double_t *x, Double_t *y)
634{
635//
636// Creates the partial sequence of X and Y coordinates to determine
637// the lateral part of the SPD thermal shield
638//
639// Input:
640// a, b : shape sides
641// r : radius
642// t : theta angle
643//
644// Output:
645// x, y : coordinate vectors [6]
646//
647// Created: 14 Nov 2007 Mario Sitta
648//
649 x[0] = a/2;
650 y[0] = r;
651
652 x[1] = x[0] + b * TMath::Cos(t/2);
653 y[1] = y[0] - b * TMath::Sin(t/2);
654
655 x[2] = x[1] + a * TMath::Cos(t);
656 y[2] = y[1] - a * TMath::Sin(t);
657
658 x[3] = x[2] + b * TMath::Cos(3*t/2);
659 y[3] = y[2] - b * TMath::Sin(3*t/2);
660
661 x[4] = x[3] + a * TMath::Cos(2*t);
662 y[4] = y[3] - a * TMath::Sin(2*t);
663
664 x[5] = x[4];
665 y[5] = 0.;
666
667 return;
172b0d90 668}
a275e8ba 669
3d2705b6 670//______________________________________________________________________
671void AliITSv11GeometrySupport::PointFromParallelLines(Double_t x1, Double_t y1,
672 Double_t x2, Double_t y2, Double_t d,
673 Double_t &x, Double_t &y)
674{
675//
676// Determines the X and Y of the first internal point of the Omega shape
677// (i.e. the coordinates of a point given two parallel lines passing by
678// two points and placed at a known distance)
679//
680// Input:
681// x1, y1 : first point
682// x2, y2 : second point
683// d : distance between the two lines
684//
685// Output:
686// x, y : coordinate of the point
687//
688// Created: 22 Feb 2009 Mario Sitta
689//
690//Begin_Html
691/*
692<img src="ITS/doc/PointFromParallelLines.gif">
693*/
694//End_Html
695
696 // The slope of the paralles lines at a distance d
697 Double_t m;
698
699 // The parameters of the solving equation
700 // a x^2 - 2 b x + c = 0
701 Double_t a = (x1 - x2)*(x1 - x2) - d*d;
702 Double_t b = (x1 - x2)*(y1 - y2);
703 Double_t c = (y1 - y2)*(y1 - y2) - d*d;
704
705 // (Delta4 is Delta/4 because we use the reduced formula)
706 Double_t Delta4 = b*b - a*c;
707
708 // Compute the slope of the two parallel lines
709 // (one of the two possible slopes, the one with the smaller
710 // absolute value is needed)
711 if (Delta4 < 0) { // Should never happen with our data, but just to be sure
712 x = -1; // x is expected positive, so this flags an error
713 return;
714 } else
715 m = (b + TMath::Sqrt(Delta4))/a; // b is negative with our data
716
717 // Finally compute the coordinates of the point
718 x = x2 + (y1 - y2 - d)/m;
719 y = y1 - d;
720
721 // Done
722 return;
723}
724
725//______________________________________________________________________
726void AliITSv11GeometrySupport::ReflectPoint(Double_t x1, Double_t y1,
727 Double_t x2, Double_t y2,
728 Double_t x3, Double_t y3,
729 Double_t &x, Double_t &y)
730{
731//
732// Given two points (x1,y1) and (x2,y2), determines the point (x,y)
733// lying on the line parallel to the line passing by these points,
734// at a distance d and passing by the point (x3,y3), which is symmetric to
735// the third point with respect to the axis of the segment delimited by
736// the two first points.
737//
738// Input:
739// x1, y1 : first point
740// x2, y2 : second point
741// x3, y3 : third point
742// d : distance between the two lines
743//
744// Output:
745// x, y : coordinate of the reflected point
746//
747// Created: 22 Feb 2009 Mario Sitta
748//
749//Begin_Html
750/*
751<img src="ITS/doc/ReflectPoint.gif">
752*/
753//End_Html
754
755 // The slope of the line passing by the first two points
756 Double_t k = (y2 - y1)/(x2 - x1);
757
758 // The middle point of the segment 1-2
759 Double_t xK = (x1 + x2)/2.;
760 Double_t yK = (y1 + y2)/2.;
761
762 // The intercept between the axis of the segment 1-2 and the line
763 // passing by 3 and parallel to the line passing by 1-2
764 Double_t xH = (k*k*x3 + k*(yK - y3) + xK)/(k*k + 1);
765 Double_t yH = k*(xH - x3) + y3;
766
767 // The point symmetric to 3 with respect to H
768 x = 2*xH - x3;
769 y = 2*yH - y3;
770
771 // Done
772 return;
773}
774
172b0d90 775//______________________________________________________________________
7d6c23de 776void AliITSv11GeometrySupport::SDDCone(TGeoVolume *moth,TGeoManager *mgr)
777{
778//
779// Creates the SDD support cone and cylinder geometry as a
780// volume assembly and adds it to the mother volume
781// (part of this code is taken or anyway inspired to SDDCone method
782// of AliITSv11GeometrySupport.cxx,v 1.9 2007/06/06)
783//
784// Input:
785// moth : the TGeoVolume owing the volume structure
786// mgr : the GeoManager (default gGeoManager)
787// Output:
788//
789// Created: ??? Bjorn S. Nilsen
790// Updated: 18 Feb 2008 Mario Sitta
6b99a08f 791// Updated: 25 Jul 2008 Mario Sitta SDDCarbonFiberCone simpler
7d6c23de 792//
793// Technical data are taken from: "Supporto Generale Settore SDD"
794// (technical drawings ALR-0816/1-B), "Supporto Globale Settore SDD"
795// (technical drawings ALR-0816/2A, ALR-0816/2B, ALR-0816/2C, ALR-0816/2D),
796// private communication with B. Giraudo
797
798 // Dimensions of the Central cylinder and flanges
799 const Double_t kCylinderHalfLength = (790.0/2)*fgkmm;
800 const Double_t kCylinderInnerR = (210.0/2)*fgkmm;
801 const Double_t kCylinderOuterR = (231.0/2)*fgkmm;
802 const Double_t kFlangeHalfLength = ( 15.0/2)*fgkmm;
803 const Double_t kFlangeInnerR = (210.5/2)*fgkmm;
804 const Double_t kFlangeOuterR = (230.5/2)*fgkmm;
805 const Double_t kInsertoHalfLength =
806 kCylinderHalfLength - 2*kFlangeHalfLength;
807// const Double_t kCFThickness = kFlangeInnerR - kCylinderInnerR;
808 const Double_t kBoltDiameter = 6.0*fgkmm; // M6 screw
809 const Double_t kBoltDepth = 6.0*fgkmm; // In the flange
810 const Double_t kBoltRadius = (220.0/2)*fgkmm; // Radius in flange
811 const Double_t kThetaBolt = 30.0*fgkDegree;
812 const Int_t kNBolts = (Int_t)(360.0/kThetaBolt);
813 // Dimensions of the Cone
814 const Double_t kConeROutMin = (540.0/2)*fgkmm;
815 const Double_t kConeROutMax = (560.0/2)*fgkmm;
3a299c65 816 const Double_t kConeRCurv = 10.0*fgkmm; // Radius of curvature
7d6c23de 817 const Double_t kConeRinMin = (210.0/2)*fgkmm;
6b99a08f 818// const Double_t kConeRinMax = (216.0/2)*fgkmm;
7d6c23de 819 const Double_t kConeRinCylinder = (231.0/2)*fgkmm;
3a299c65 820 const Double_t kConeZCylinder = 192.0*fgkmm;
7d6c23de 821 const Double_t kConeZOuterMilled = 23.0*fgkmm;
822 const Double_t kConeDZin = 15.0*fgkmm; // ???
3a299c65 823 const Double_t kConeThickness = 10.0*fgkmm; // Rohacell + Carb.Fib.
7d6c23de 824 const Double_t kConeTheta = 45.0*fgkDegree; // SDD cone angle
825 const Double_t kSinConeTheta =
826 TMath::Sin(kConeTheta*TMath::DegToRad());
827 const Double_t kCosConeTheta =
828 TMath::Cos(kConeTheta*TMath::DegToRad());
829 const Double_t kTanConeTheta =
830 TMath::Tan(kConeTheta*TMath::DegToRad());
831 // Dimensions of the Cone Inserts
832 const Double_t kConeCFThickness = 1.5*fgkmm; // Carbon fiber thickness
833 // Dimensions of the Cone Holes
834 const Double_t kHole1RMin = (450.0/2)*fgkmm;
3a299c65 835 const Double_t kHole1RMax = (530.0/2)*fgkmm;
7d6c23de 836 const Double_t kHole2RMin = (280.0/2)*fgkmm;
837 const Double_t kHole2RMax = (375.0/2)*fgkmm;
838 const Double_t kHole1Phi = 25.0*fgkDegree;
839 const Double_t kHole2Phi = 50.0*fgkDegree;
840 const Double_t kHole3RMin = 205.0*fgkmm;
841 const Double_t kHole3DeltaR = 15*fgkmm;
842 const Double_t kHole3Width = 30*fgkmm;
843 const Int_t kNHole3 = 6 ;
844 const Double_t kHole4RMin = 116.0*fgkmm;
845 const Double_t kHole4DeltaR = 15*fgkmm;
3a299c65 846 const Double_t kHole4Width = 30*fgkmm;
847 // const Int_t kNHole4 = 3 ;
7d6c23de 848
849 // Local variables
850 Double_t x, y, z, t, dza, rmin, rmax;
851
852
7d6c23de 853 // Recover the needed materials
854 TGeoMedium *medSDDcf = mgr->GetMedium("ITS_SDD C (M55J)$");
855 TGeoMedium *medSDDair = mgr->GetMedium("ITS_SDD AIR$");
856 TGeoMedium *medSDDste = mgr->GetMedium("ITS_G10FR4$"); // stesalite
857 TGeoMedium *medSDDroh = mgr->GetMedium("ITS_ROHACELL$");
858 TGeoMedium *medSDDss = mgr->GetMedium("ITS_INOX$");
859
860 // First define the geometrical shapes
861
862 // Central cylinder with its internal foam and the lateral flanges:
863 // a carbon fiber Tube which contains a rohacell Tube and two
864 // stesalite Tube's
865 TGeoTube *cylindershape = new TGeoTube(kCylinderInnerR,kCylinderOuterR,
866 kCylinderHalfLength);
867
868 TGeoTube *insertoshape = new TGeoTube(kFlangeInnerR,kFlangeOuterR,
869 kInsertoHalfLength);
870
871 TGeoTube *flangeshape = new TGeoTube(kFlangeInnerR,kFlangeOuterR,
872 kFlangeHalfLength);
873
874 // The flange bolt: it is a Tube
875 TGeoTube *boltshape = new TGeoTube(0.0, 0.5*kBoltDiameter, 0.5*kBoltDepth);
876
877 // Debug if requested
878 if (GetDebug(1)) {
879 cylindershape->InspectShape();
880 insertoshape->InspectShape();
881 flangeshape->InspectShape();
882 boltshape->InspectShape();
883 }
884
885
886 // We have the shapes: now create the real volumes
887
888 TGeoVolume *cfcylinder = new TGeoVolume("SDDCarbonFiberCylinder",
889 cylindershape,medSDDcf);
890 cfcylinder->SetVisibility(kTRUE);
891 cfcylinder->SetLineColor(4); // Blue
892 cfcylinder->SetLineWidth(1);
893 cfcylinder->SetFillColor(cfcylinder->GetLineColor());
894 cfcylinder->SetFillStyle(4000); // 0% transparent
895
896 TGeoVolume *foamcylinder = new TGeoVolume("SDDFoamCylinder",
897 insertoshape,medSDDroh);
898 foamcylinder->SetVisibility(kTRUE);
899 foamcylinder->SetLineColor(3); // Green
900 foamcylinder->SetLineWidth(1);
901 foamcylinder->SetFillColor(foamcylinder->GetLineColor());
902 foamcylinder->SetFillStyle(4050); // 50% transparent
903
904 TGeoVolume *flangecylinder = new TGeoVolume("SDDFlangeCylinder",
905 flangeshape,medSDDste);
906 flangecylinder->SetVisibility(kTRUE);
907 flangecylinder->SetLineColor(2); // Red
908 flangecylinder->SetLineWidth(1);
909 flangecylinder->SetFillColor(flangecylinder->GetLineColor());
910 flangecylinder->SetFillStyle(4050); // 50% transparent
911
912 TGeoVolume *bolt = new TGeoVolume("SDDFlangeBolt",boltshape,medSDDss);
913 bolt->SetVisibility(kTRUE);
914 bolt->SetLineColor(1); // Black
915 bolt->SetLineWidth(1);
916 bolt->SetFillColor(bolt->GetLineColor());
917 bolt->SetFillStyle(4050); // 50% transparent
918
919 // Mount up the cylinder
920 for(Int_t i=0; i<kNBolts; i++){
921 t = kThetaBolt*i;
922 x = kBoltRadius*TMath::Cos(t);
923 y = kBoltRadius*TMath::Sin(t);
924 z = kFlangeHalfLength-kBoltDepth;
925 flangecylinder->AddNode(bolt, i+1, new TGeoTranslation("",x,y,z));
926 }
927
928 cfcylinder->AddNode(foamcylinder,1,0);
929 cfcylinder->AddNode(flangecylinder,1,
930 new TGeoTranslation(0, 0, kInsertoHalfLength+kFlangeHalfLength));
931 cfcylinder->AddNode(flangecylinder,2,new TGeoCombiTrans(
932 0, 0, -kInsertoHalfLength-kFlangeHalfLength,
933 new TGeoRotation("",0,180,0) ) );
934
935
936 // SDD Support Cone with its internal inserts: a carbon fiber Pcon
937 // with holes which contains a stesalite Pcon which on turn contains a
938 // rohacell Pcon
939
940 dza = kConeThickness/kSinConeTheta-(kConeROutMax-kConeROutMin)/kTanConeTheta;
941
6b99a08f 942 TGeoPcon *coneshape = new TGeoPcon(0.0, 360.0, 10);
7d6c23de 943
944 coneshape->Z(0) = 0.0;
945 coneshape->Rmin(0) = kConeROutMin;
946 coneshape->Rmax(0) = kConeROutMax;
947
948 coneshape->Z(1) = kConeZOuterMilled - dza;
949 coneshape->Rmin(1) = coneshape->GetRmin(0);
950 coneshape->Rmax(1) = coneshape->GetRmax(0);
951
952 coneshape->Z(2) = kConeZOuterMilled;
953 coneshape->Rmax(2) = coneshape->GetRmax(0);
954
955 RadiusOfCurvature(kConeRCurv,0.,coneshape->GetZ(1),
956 coneshape->GetRmin(1),kConeTheta,z,rmin);
957 coneshape->Z(3) = z;
958 coneshape->Rmin(3) = rmin;
959
960 coneshape->Rmin(2) = RminFrom2Points(coneshape,3,1,coneshape->GetZ(2));
961
962 RadiusOfCurvature(kConeRCurv,0.,coneshape->GetZ(2),
963 coneshape->GetRmax(2),kConeTheta,z,rmax);
964 coneshape->Z(4) = z;
965 coneshape->Rmax(4) = rmax;
966 coneshape->Rmin(4) = RminFromZpCone(coneshape,3,kConeTheta,
967 coneshape->GetZ(4),0.0);
968
969 coneshape->Rmax(3) = RmaxFrom2Points(coneshape,4,2,coneshape->GetZ(3));
970
6b99a08f 971 coneshape->Z(6) = kConeZCylinder - kConeDZin;
972
973 RadiusOfCurvature(kConeRCurv,90.0,coneshape->GetZ(6),0.0,
974 90.0-kConeTheta,z,rmin);
975 coneshape->Z(5) = z;
976 coneshape->Rmin(5) = RminFromZpCone(coneshape,3,kConeTheta,z);
977 coneshape->Rmax(5) = RmaxFromZpCone(coneshape,4,kConeTheta,z);
978
979 RadiusOfCurvature(kConeRCurv,90.-kConeTheta,
980 0.0,coneshape->Rmin(5),90.0,z,rmin);
981 coneshape->Rmin(6) = rmin;
982 coneshape->Rmax(6) = RmaxFromZpCone(coneshape,4,kConeTheta,
983 coneshape->GetZ(6));
984
985 coneshape->Z(7) = coneshape->GetZ(6);
7d6c23de 986 coneshape->Rmin(7) = kConeRinMin;
6b99a08f 987 coneshape->Rmax(7) = coneshape->GetRmax(6);
7d6c23de 988
989 coneshape->Rmin(8) = kConeRinMin;
990
6b99a08f 991 RadiusOfCurvature(kConeRCurv,90.0,kConeZCylinder,kConeRinCylinder,
992 90.0-kConeTheta,z,rmax);
993 coneshape->Z(8) = z;
7d6c23de 994 coneshape->Rmax(8) = rmax;
7d6c23de 995
996 coneshape->Z(9) = kConeZCylinder;
997 coneshape->Rmin(9) = kConeRinMin;
6b99a08f 998 coneshape->Rmax(9) = kConeRinCylinder;
7d6c23de 999
7d6c23de 1000
1001 // SDD Cone Insert: another Pcon
1002 Double_t x0, y0, x1, y1, x2, y2;
1003 TGeoPcon *coneinsertshape = new TGeoPcon(0.0, 360.0, 9);
1004
1005 coneinsertshape->Z(0) = coneshape->GetZ(0) + kConeCFThickness;
1006 coneinsertshape->Rmin(0) = coneshape->GetRmin(0) + kConeCFThickness;
1007 coneinsertshape->Rmax(0) = coneshape->GetRmax(0) - kConeCFThickness;
1008
1009 x0 = coneshape->GetZ(0); y0 = coneshape->GetRmin(0);
1010 x1 = coneshape->GetZ(1); y1 = coneshape->GetRmin(1);
1011 x2 = coneshape->GetZ(2); y2 = coneshape->GetRmin(2);
1012 InsidePoint(x0, y0, x1, y1, x2, y2, kConeCFThickness, z, rmin);
1013 coneinsertshape->Z(1) = z;
1014 coneinsertshape->Rmin(1) = rmin;
1015 coneinsertshape->Rmax(1) = coneinsertshape->GetRmax(0);
1016
1017 x0 = coneshape->GetZ(1); y0 = coneshape->GetRmax(1);
1018 x1 = coneshape->GetZ(2); y1 = coneshape->GetRmax(2);
1019 x2 = coneshape->GetZ(3); y2 = coneshape->GetRmax(3);
1020 InsidePoint(x0, y0, x1, y1, x2, y2, -kConeCFThickness, z, rmax);
1021 coneinsertshape->Z(2) = z;
1022 coneinsertshape->Rmax(2) = rmax;
1023
1024 x0 = coneshape->GetZ(2); y0 = coneshape->GetRmin(2);
1025 x1 = coneshape->GetZ(3); y1 = coneshape->GetRmin(3);
1026 x2 = coneshape->GetZ(4); y2 = coneshape->GetRmin(4);
1027 InsidePoint(x0, y0, x1, y1, x2, y2, kConeCFThickness, z, rmin);
1028 coneinsertshape->Z(3) = z;
1029 coneinsertshape->Rmin(3) = rmin;
1030
1031 x0 = coneinsertshape->GetZ(1); y0 = coneinsertshape->GetRmin(1);
1032 x1 = coneinsertshape->GetZ(3); y1 = coneinsertshape->GetRmin(3);
1033 coneinsertshape->Rmin(2) = Yfrom2Points(x0, y0, x1, y1,
1034 coneinsertshape->Z(2));
1035
1036 x0 = coneshape->GetZ(3); y0 = coneshape->GetRmax(3);
1037 x1 = coneshape->GetZ(4); y1 = coneshape->GetRmax(4);
1038 x2 = coneshape->GetZ(5); y2 = coneshape->GetRmax(5);
1039 InsidePoint(x0, y0, x1, y1, x2, y2, -kConeCFThickness, z, rmax);
1040 coneinsertshape->Z(4) = z;
1041 coneinsertshape->Rmax(4) = rmax;
1042
1043 x0 = coneinsertshape->GetZ(2); y0 = coneinsertshape->GetRmax(2);
1044 x1 = coneinsertshape->GetZ(4); y1 = coneinsertshape->GetRmax(4);
1045 coneinsertshape->Rmax(3) = Yfrom2Points(x0, y0, x1, y1,
1046 coneinsertshape->Z(3));
1047
1048 x0 = coneshape->GetZ(4); y0 = coneshape->GetRmin(4);
1049 x1 = coneshape->GetZ(5); y1 = coneshape->GetRmin(5);
1050 x2 = coneshape->GetZ(6); y2 = coneshape->GetRmin(6);
1051 InsidePoint(x0, y0, x1, y1, x2, y2, kConeCFThickness, z, rmin);
1052 coneinsertshape->Z(5) = z;
1053 coneinsertshape->Rmin(5) = rmin;
1054 coneinsertshape->Rmax(5) = coneinsertshape->GetRmax(4) -
1055 kTanConeTheta*(coneinsertshape->GetZ(5) - coneinsertshape->GetZ(4));
1056
1057 x0 = coneinsertshape->GetZ(3); y0 = coneinsertshape->GetRmin(3);
1058 x1 = coneinsertshape->GetZ(5); y1 = coneinsertshape->GetRmin(5);
1059 coneinsertshape->Rmin(4) = Yfrom2Points(x0, y0, x1, y1,
1060 coneinsertshape->Z(4));
1061
1062 x0 = coneshape->GetZ(5); y0 = coneshape->GetRmin(5);
1063 x1 = coneshape->GetZ(6); y1 = coneshape->GetRmin(6);
1064 x2 = coneshape->GetZ(7); y2 = coneshape->GetRmin(7);
1065 InsidePoint(x0, y0, x1, y1, x2, y2, kConeCFThickness, z, rmin);
1066 coneinsertshape->Z(6) = z;
1067 coneinsertshape->Rmin(6) = rmin;
1068 coneinsertshape->Rmax(6) = coneinsertshape->GetRmax(4) -
1069 kTanConeTheta*(coneinsertshape->GetZ(6) - coneinsertshape->GetZ(4));
1070
1071 coneinsertshape->Z(7) = coneinsertshape->GetZ(6);
1072 coneinsertshape->Rmin(7) = coneshape->GetRmin(7) + kConeCFThickness;
1073 coneinsertshape->Rmax(7) = coneinsertshape->GetRmax(6);
1074
1075 coneinsertshape->Z(8) = coneshape->GetZ(9) - kConeCFThickness;
1076 coneinsertshape->Rmin(8) = coneinsertshape->GetRmin(7);
1077 coneinsertshape->Rmax(8) = coneinsertshape->GetRmax(4) -
1078 kTanConeTheta*(coneinsertshape->GetZ(8) - coneinsertshape->GetZ(4));
1079
1080 // SDD Cone Foam: another Pcon
1081 TGeoPcon *conefoamshape = new TGeoPcon(0.0, 360.0, 4);
1082
1083 RadiusOfCurvature(kConeRCurv+kConeCFThickness,0.0,coneinsertshape->GetZ(1),
1084 coneinsertshape->GetRmin(1),kConeTheta,z,rmin);
1085
1086 conefoamshape->Z(0) = z;
1087 conefoamshape->Rmin(0) = rmin;
1088 conefoamshape->Rmax(0) = conefoamshape->GetRmin(0);
1089
1090 conefoamshape->Z(1) = conefoamshape->GetZ(0)+
1091 (kConeThickness-2.0*kConeCFThickness)/kSinConeTheta;
1092 conefoamshape->Rmin(1) = RminFromZpCone(coneinsertshape,3,kConeTheta,
1093 conefoamshape->GetZ(1));
1094 conefoamshape->Rmax(1) = RmaxFromZpCone(coneinsertshape,4,kConeTheta,
1095 conefoamshape->GetZ(1));
1096
1097 conefoamshape->Z(2) = coneshape->GetZ(5)-kConeCFThickness;
1098 conefoamshape->Rmin(2) = RminFromZpCone(coneinsertshape,3,kConeTheta,
1099 conefoamshape->GetZ(2));
1100 conefoamshape->Rmax(2) = RmaxFromZpCone(coneinsertshape,4,kConeTheta,
1101 conefoamshape->GetZ(2));
1102
1103 conefoamshape->Z(3) = coneinsertshape->GetZ(5)+
1104 (kConeThickness-2.0*kConeCFThickness)*kCosConeTheta;
1105 conefoamshape->Rmax(3) = RmaxFromZpCone(coneinsertshape,4,kConeTheta,
1106 conefoamshape->GetZ(3));
1107 conefoamshape->Rmin(3) = conefoamshape->GetRmax(3);
1108
1109 // SDD Cone Holes: Pcon's
a30e33f0 1110 // A single hole volume gives an overlap with coneinsert, so
1111 // three contiguous volumes are created: one to be put in the cone foam
1112 // and two in the cone carbon fiber envelope
7d6c23de 1113 TGeoPcon *hole1shape = new TGeoPcon(-kHole1Phi/2., kHole1Phi, 4);
1114
1115 hole1shape->Rmin(0) = kHole1RMax;
1116 hole1shape->Rmax(0) = hole1shape->GetRmin(0);
a30e33f0 1117 hole1shape->Z(0) = ZFromRminpCone(conefoamshape,0,kConeTheta,
7d6c23de 1118 hole1shape->GetRmin(0));
1119
1120 hole1shape->Rmax(1) = hole1shape->GetRmax(0);
a30e33f0 1121 hole1shape->Z(1) = ZFromRmaxpCone(conefoamshape,3,kConeTheta,
7d6c23de 1122 hole1shape->GetRmax(1));
a30e33f0 1123 hole1shape->Rmin(1) = RminFromZpCone(conefoamshape,1,kConeTheta,
7d6c23de 1124 hole1shape->GetZ(1));
1125
1126 hole1shape->Rmin(2) = kHole1RMin;
a30e33f0 1127 hole1shape->Z(2) = ZFromRminpCone(conefoamshape,1,kConeTheta,
7d6c23de 1128 hole1shape->GetRmin(2));
a30e33f0 1129 hole1shape->Rmax(2) = RmaxFromZpCone(conefoamshape,3,kConeTheta,
7d6c23de 1130 hole1shape->GetZ(2));
1131
1132 hole1shape->Rmin(3) = hole1shape->GetRmin(2);
1133 hole1shape->Rmax(3) = hole1shape->GetRmin(3);
a30e33f0 1134 hole1shape->Z(3) = ZFromRmaxpCone(conefoamshape,3,kConeTheta,
7d6c23de 1135 hole1shape->GetRmax(3));
1136
a30e33f0 1137 TGeoPcon *hole11shape = new TGeoPcon(-kHole1Phi/2., kHole1Phi, 4);
1138
1139 hole11shape->Rmin(0) = kHole1RMax;
1140 hole11shape->Rmax(0) = hole11shape->GetRmin(0);
1141 hole11shape->Z(0) = ZFromRminpCone(coneshape,3,kConeTheta,
1142 hole11shape->GetRmin(0));
1143
1144 hole11shape->Rmax(1) = hole11shape->GetRmax(0);
1145 hole11shape->Z(1) = ZFromRminpCone(coneinsertshape,3,kConeTheta,
1146 hole11shape->GetRmax(1));
1147 hole11shape->Rmin(1) = RminFromZpCone(coneshape,3,kConeTheta,
1148 hole11shape->GetZ(1));
1149
1150 hole11shape->Rmin(2) = kHole1RMin;
1151 hole11shape->Z(2) = ZFromRminpCone(coneshape,3,kConeTheta,
1152 hole11shape->GetRmin(2));
1153 hole11shape->Rmax(2) = RminFromZpCone(coneinsertshape,3,kConeTheta,
1154 hole11shape->GetZ(2));
1155
1156 hole11shape->Rmin(3) = hole11shape->GetRmin(2);
1157 hole11shape->Rmax(3) = hole11shape->GetRmin(3);
1158 hole11shape->Z(3) = ZFromRminpCone(coneinsertshape,3,kConeTheta,
1159 hole11shape->GetRmax(3));
1160
1161 TGeoPcon *hole12shape = new TGeoPcon(-kHole1Phi/2., kHole1Phi, 4);
1162
1163 hole12shape->Rmin(0) = kHole1RMax;
1164 hole12shape->Rmax(0) = hole12shape->GetRmin(0);
1165 hole12shape->Z(0) = ZFromRmaxpCone(coneinsertshape,4,kConeTheta,
1166 hole12shape->GetRmin(0));
1167
1168 hole12shape->Rmax(1) = hole12shape->GetRmax(0);
1169 hole12shape->Z(1) = ZFromRmaxpCone(coneshape,4,kConeTheta,
1170 hole12shape->GetRmax(1));
1171 hole12shape->Rmin(1) = RmaxFromZpCone(coneinsertshape,4,kConeTheta,
1172 hole12shape->GetZ(1));
1173
1174 hole12shape->Rmin(2) = kHole1RMin;
1175 hole12shape->Z(2) = ZFromRmaxpCone(coneinsertshape,4,kConeTheta,
1176 hole12shape->GetRmin(2));
1177 hole12shape->Rmax(2) = RmaxFromZpCone(coneshape,4,kConeTheta,
1178 hole12shape->GetZ(2));
1179
1180 hole12shape->Rmin(3) = hole12shape->GetRmin(2);
1181 hole12shape->Rmax(3) = hole12shape->GetRmin(3);
1182 hole12shape->Z(3) = ZFromRmaxpCone(coneshape,4,kConeTheta,
1183 hole12shape->GetRmax(3));
1184
1185 //
7d6c23de 1186 TGeoPcon *hole2shape = new TGeoPcon(-kHole2Phi/2., kHole2Phi, 4);
1187
1188 hole2shape->Rmin(0) = kHole2RMax;
1189 hole2shape->Rmax(0) = hole2shape->GetRmin(0);
a30e33f0 1190 hole2shape->Z(0) = ZFromRminpCone(conefoamshape,0,kConeTheta,
7d6c23de 1191 hole2shape->GetRmin(0));
1192
1193 hole2shape->Rmax(1) = hole2shape->GetRmax(0);
a30e33f0 1194 hole2shape->Z(1) = ZFromRmaxpCone(conefoamshape,3,kConeTheta,
7d6c23de 1195 hole2shape->GetRmax(1));
a30e33f0 1196 hole2shape->Rmin(1) = RminFromZpCone(conefoamshape,1,kConeTheta,
7d6c23de 1197 hole2shape->GetZ(1));
1198
1199 hole2shape->Rmin(2) = kHole2RMin;
a30e33f0 1200 hole2shape->Z(2) = ZFromRminpCone(conefoamshape,1,kConeTheta,
7d6c23de 1201 hole2shape->GetRmin(2));
a30e33f0 1202 hole2shape->Rmax(2) = RmaxFromZpCone(conefoamshape,3,kConeTheta,
7d6c23de 1203 hole2shape->GetZ(2));
1204
1205 hole2shape->Rmin(3) = hole2shape->GetRmin(2);
1206 hole2shape->Rmax(3) = hole2shape->GetRmin(3);
a30e33f0 1207 hole2shape->Z(3) = ZFromRmaxpCone(conefoamshape,3,kConeTheta,
7d6c23de 1208 hole2shape->GetRmax(3));
1209
a30e33f0 1210 TGeoPcon *hole21shape = new TGeoPcon(-kHole2Phi/2., kHole2Phi, 4);
1211
1212 hole21shape->Rmin(0) = kHole2RMax;
1213 hole21shape->Rmax(0) = hole21shape->GetRmin(0);
1214 hole21shape->Z(0) = ZFromRminpCone(coneshape,3,kConeTheta,
1215 hole21shape->GetRmin(0));
1216
1217 hole21shape->Rmax(1) = hole21shape->GetRmax(0);
1218 hole21shape->Z(1) = ZFromRminpCone(coneinsertshape,3,kConeTheta,
1219 hole21shape->GetRmax(1));
1220 hole21shape->Rmin(1) = RminFromZpCone(coneshape,3,kConeTheta,
1221 hole21shape->GetZ(1));
1222
1223 hole21shape->Rmin(2) = kHole2RMin;
1224 hole21shape->Z(2) = ZFromRminpCone(coneshape,3,kConeTheta,
1225 hole21shape->GetRmin(2));
1226 hole21shape->Rmax(2) = RminFromZpCone(coneinsertshape,3,kConeTheta,
1227 hole21shape->GetZ(2));
1228
1229 hole21shape->Rmin(3) = hole21shape->GetRmin(2);
1230 hole21shape->Rmax(3) = hole21shape->GetRmin(3);
1231 hole21shape->Z(3) = ZFromRminpCone(coneinsertshape,3,kConeTheta,
1232 hole21shape->GetRmax(3));
1233
1234 TGeoPcon *hole22shape = new TGeoPcon(-kHole2Phi/2., kHole2Phi, 4);
1235
1236 hole22shape->Rmin(0) = kHole2RMax;
1237 hole22shape->Rmax(0) = hole22shape->GetRmin(0);
1238 hole22shape->Z(0) = ZFromRmaxpCone(coneinsertshape,4,kConeTheta,
1239 hole22shape->GetRmin(0));
1240
1241 hole22shape->Rmax(1) = hole22shape->GetRmax(0);
1242 hole22shape->Z(1) = ZFromRmaxpCone(coneshape,4,kConeTheta,
1243 hole22shape->GetRmax(1));
1244 hole22shape->Rmin(1) = RmaxFromZpCone(coneinsertshape,4,kConeTheta,
1245 hole22shape->GetZ(1));
1246
1247 hole22shape->Rmin(2) = kHole2RMin;
1248 hole22shape->Z(2) = ZFromRmaxpCone(coneinsertshape,4,kConeTheta,
1249 hole22shape->GetRmin(2));
1250 hole22shape->Rmax(2) = RmaxFromZpCone(coneshape,4,kConeTheta,
1251 hole22shape->GetZ(2));
1252
1253 hole22shape->Rmin(3) = hole22shape->GetRmin(2);
1254 hole22shape->Rmax(3) = hole22shape->GetRmin(3);
1255 hole22shape->Z(3) = ZFromRmaxpCone(coneshape,4,kConeTheta,
1256 hole22shape->GetRmax(3));
1257
1258 //
7d6c23de 1259 Double_t holePhi;
1260 holePhi = (kHole3Width/kHole3RMin)*TMath::RadToDeg();
1261
1262 TGeoPcon *hole3shape = new TGeoPcon(-holePhi/2., holePhi, 4);
1263
1264 hole3shape->Rmin(0) = kHole3RMin + kHole3DeltaR;
1265 hole3shape->Rmax(0) = hole3shape->GetRmin(0);
a30e33f0 1266 hole3shape->Z(0) = ZFromRminpCone(conefoamshape,0,kConeTheta,
7d6c23de 1267 hole3shape->GetRmin(0));
1268
1269 hole3shape->Rmax(1) = hole3shape->GetRmax(0);
a30e33f0 1270 hole3shape->Z(1) = ZFromRmaxpCone(conefoamshape,3,kConeTheta,
7d6c23de 1271 hole3shape->GetRmax(1));
a30e33f0 1272 hole3shape->Rmin(1) = RminFromZpCone(conefoamshape,1,kConeTheta,
7d6c23de 1273 hole3shape->GetZ(1));
1274
1275 hole3shape->Rmin(2) = kHole3RMin;
a30e33f0 1276 hole3shape->Z(2) = ZFromRminpCone(conefoamshape,1,kConeTheta,
7d6c23de 1277 hole3shape->GetRmin(2));
a30e33f0 1278 hole3shape->Rmax(2) = RmaxFromZpCone(conefoamshape,3,kConeTheta,
7d6c23de 1279 hole3shape->GetZ(2));
1280
1281 hole3shape->Rmin(3) = hole3shape->GetRmin(2);
1282 hole3shape->Rmax(3) = hole3shape->GetRmin(3);
a30e33f0 1283 hole3shape->Z(3) = ZFromRmaxpCone(conefoamshape,3,kConeTheta,
7d6c23de 1284 hole3shape->GetRmax(3));
1285
a30e33f0 1286 TGeoPcon *hole31shape = new TGeoPcon(-holePhi/2., holePhi, 4);
1287
1288 hole31shape->Rmin(0) = kHole3RMin + kHole3DeltaR;
1289 hole31shape->Rmax(0) = hole31shape->GetRmin(0);
1290 hole31shape->Z(0) = ZFromRminpCone(coneshape,3,kConeTheta,
1291 hole31shape->GetRmin(0));
1292
1293 hole31shape->Rmax(1) = hole31shape->GetRmax(0);
1294 hole31shape->Z(1) = ZFromRminpCone(coneinsertshape,3,kConeTheta,
1295 hole31shape->GetRmax(1));
1296 hole31shape->Rmin(1) = RminFromZpCone(coneshape,3,kConeTheta,
1297 hole31shape->GetZ(1));
1298
1299 hole31shape->Rmin(2) = kHole3RMin;
1300 hole31shape->Z(2) = ZFromRminpCone(coneshape,3,kConeTheta,
1301 hole31shape->GetRmin(2));
1302 hole31shape->Rmax(2) = RminFromZpCone(coneinsertshape,3,kConeTheta,
1303 hole31shape->GetZ(2));
1304
1305 hole31shape->Rmin(3) = hole31shape->GetRmin(2);
1306 hole31shape->Rmax(3) = hole31shape->GetRmin(3);
1307 hole31shape->Z(3) = ZFromRminpCone(coneinsertshape,3,kConeTheta,
1308 hole31shape->GetRmax(3));
1309
1310 TGeoPcon *hole32shape = new TGeoPcon(-holePhi/2., holePhi, 4);
1311
1312 hole32shape->Rmin(0) = kHole3RMin + kHole3DeltaR;
1313 hole32shape->Rmax(0) = hole32shape->GetRmin(0);
1314 hole32shape->Z(0) = ZFromRmaxpCone(coneinsertshape,4,kConeTheta,
1315 hole32shape->GetRmin(0));
1316
1317 hole32shape->Rmax(1) = hole32shape->GetRmax(0);
1318 hole32shape->Z(1) = ZFromRmaxpCone(coneshape,4,kConeTheta,
1319 hole32shape->GetRmax(1));
1320 hole32shape->Rmin(1) = RmaxFromZpCone(coneinsertshape,4,kConeTheta,
1321 hole32shape->GetZ(1));
1322
1323 hole32shape->Rmin(2) = kHole3RMin;
1324 hole32shape->Z(2) = ZFromRmaxpCone(coneinsertshape,4,kConeTheta,
1325 hole32shape->GetRmin(2));
1326 hole32shape->Rmax(2) = RmaxFromZpCone(coneshape,4,kConeTheta,
1327 hole32shape->GetZ(2));
1328
1329 hole32shape->Rmin(3) = hole32shape->GetRmin(2);
1330 hole32shape->Rmax(3) = hole32shape->GetRmin(3);
1331 hole32shape->Z(3) = ZFromRmaxpCone(coneshape,4,kConeTheta,
1332 hole32shape->GetRmax(3));
1333
1334 //
3a299c65 1335 holePhi = (kHole4Width/kHole4RMin)*TMath::RadToDeg();
1336
7d6c23de 1337 TGeoPcon *hole4shape = new TGeoPcon(-holePhi/2., holePhi, 4);
1338
1339 hole4shape->Rmin(0) = kHole4RMin + kHole4DeltaR;
1340 hole4shape->Rmax(0) = hole4shape->GetRmin(0);
1341 hole4shape->Z(0) = ZFromRminpCone(coneshape,3,kConeTheta,
1342 hole4shape->GetRmin(0));
1343
1344 hole4shape->Rmax(1) = hole4shape->GetRmax(0);
1345 hole4shape->Z(1) = ZFromRmaxpCone(coneshape,4,kConeTheta,
1346 hole4shape->GetRmax(1));
1347 hole4shape->Rmin(1) = RminFromZpCone(coneshape,3,kConeTheta,
1348 hole4shape->GetZ(1));
1349
1350 hole4shape->Rmin(2) = kHole4RMin;
1351 hole4shape->Z(2) = ZFromRminpCone(coneshape,3,kConeTheta,
1352 hole4shape->GetRmin(2));
1353 hole4shape->Rmax(2) = RmaxFromZpCone(coneshape,4,kConeTheta,
1354 hole4shape->GetZ(2));
1355
1356 hole4shape->Rmin(3) = hole4shape->GetRmin(2);
1357 hole4shape->Rmax(3) = hole4shape->GetRmin(3);
1358 hole4shape->Z(3) = ZFromRmaxpCone(coneshape,4,kConeTheta,
1359 hole4shape->GetRmax(3));
1360
1361 // Debug if requested
1362 if (GetDebug(1)) {
1363 coneshape->InspectShape();
1364 coneinsertshape->InspectShape();
1365 conefoamshape->InspectShape();
1366 hole1shape->InspectShape();
1367 hole2shape->InspectShape();
a30e33f0 1368 hole3shape->InspectShape();
1369 hole4shape->InspectShape();
7d6c23de 1370 }
1371
1372
1373 // We have the shapes: now create the real volumes
1374
1375 TGeoVolume *cfcone = new TGeoVolume("SDDCarbonFiberCone",
1376 coneshape,medSDDcf);
1377 cfcone->SetVisibility(kTRUE);
1378 cfcone->SetLineColor(4); // Blue
1379 cfcone->SetLineWidth(1);
1380 cfcone->SetFillColor(cfcone->GetLineColor());
1381 cfcone->SetFillStyle(4000); // 0% transparent
1382
1383 TGeoVolume *cfconeinsert = new TGeoVolume("SDDCarbonFiberConeInsert",
1384 coneinsertshape,medSDDste);
1385 cfconeinsert->SetVisibility(kTRUE);
1386 cfconeinsert->SetLineColor(2); // Red
1387 cfconeinsert->SetLineWidth(1);
1388 cfconeinsert->SetFillColor(cfconeinsert->GetLineColor());
1389 cfconeinsert->SetFillStyle(4050); // 50% transparent
1390
1391 TGeoVolume *cfconefoam = new TGeoVolume("SDDCarbonFiberConeFoam",
1392 conefoamshape,medSDDroh);
1393 cfconefoam->SetVisibility(kTRUE);
1394 cfconefoam->SetLineColor(7); // Light blue
1395 cfconefoam->SetLineWidth(1);
1396 cfconefoam->SetFillColor(cfconefoam->GetLineColor());
1397 cfconefoam->SetFillStyle(4050); // 50% transparent
1398
1399 TGeoVolume *hole1 = new TGeoVolume("SDDCableHole1",
1400 hole1shape,medSDDair);
1401 hole1->SetVisibility(kTRUE);
1402 hole1->SetLineColor(5); // Yellow
1403 hole1->SetLineWidth(1);
1404 hole1->SetFillColor(hole1->GetLineColor());
1405 hole1->SetFillStyle(4090); // 90% transparent
1406
a30e33f0 1407 TGeoVolume *hole11 = new TGeoVolume("SDDCableHole11",
1408 hole11shape,medSDDair);
1409 hole11->SetVisibility(kTRUE);
1410 hole11->SetLineColor(5); // Yellow
1411 hole11->SetLineWidth(1);
1412 hole11->SetFillColor(hole11->GetLineColor());
1413 hole11->SetFillStyle(4090); // 90% transparent
1414
1415 TGeoVolume *hole12 = new TGeoVolume("SDDCableHole12",
1416 hole12shape,medSDDair);
1417 hole12->SetVisibility(kTRUE);
1418 hole12->SetLineColor(5); // Yellow
1419 hole12->SetLineWidth(1);
1420 hole12->SetFillColor(hole12->GetLineColor());
1421 hole12->SetFillStyle(4090); // 90% transparent
1422
7d6c23de 1423 TGeoVolume *hole2 = new TGeoVolume("SDDCableHole2",
1424 hole2shape,medSDDair);
1425 hole2->SetVisibility(kTRUE);
1426 hole2->SetLineColor(5); // Yellow
1427 hole2->SetLineWidth(1);
1428 hole2->SetFillColor(hole2->GetLineColor());
1429 hole2->SetFillStyle(4090); // 90% transparent
1430
a30e33f0 1431 TGeoVolume *hole21 = new TGeoVolume("SDDCableHole21",
1432 hole21shape,medSDDair);
1433 hole21->SetVisibility(kTRUE);
1434 hole21->SetLineColor(5); // Yellow
1435 hole21->SetLineWidth(1);
1436 hole21->SetFillColor(hole21->GetLineColor());
1437 hole21->SetFillStyle(4090); // 90% transparent
1438
1439 TGeoVolume *hole22 = new TGeoVolume("SDDCableHole22",
1440 hole22shape,medSDDair);
1441 hole22->SetVisibility(kTRUE);
1442 hole22->SetLineColor(5); // Yellow
1443 hole22->SetLineWidth(1);
1444 hole22->SetFillColor(hole22->GetLineColor());
1445 hole22->SetFillStyle(4090); // 90% transparent
1446
7d6c23de 1447 TGeoVolume *hole3 = new TGeoVolume("SDDCableHole3",
1448 hole3shape,medSDDair);
1449 hole3->SetVisibility(kTRUE);
1450 hole3->SetLineColor(5); // Yellow
1451 hole3->SetLineWidth(1);
1452 hole3->SetFillColor(hole3->GetLineColor());
1453 hole3->SetFillStyle(4090); // 90% transparent
1454
a30e33f0 1455 TGeoVolume *hole31 = new TGeoVolume("SDDCableHole31",
1456 hole31shape,medSDDair);
1457 hole31->SetVisibility(kTRUE);
1458 hole31->SetLineColor(5); // Yellow
1459 hole31->SetLineWidth(1);
1460 hole31->SetFillColor(hole31->GetLineColor());
1461 hole31->SetFillStyle(4090); // 90% transparent
1462
1463 TGeoVolume *hole32 = new TGeoVolume("SDDCableHole32",
1464 hole32shape,medSDDair);
1465 hole32->SetVisibility(kTRUE);
1466 hole32->SetLineColor(5); // Yellow
1467 hole32->SetLineWidth(1);
1468 hole32->SetFillColor(hole32->GetLineColor());
1469 hole32->SetFillStyle(4090); // 90% transparent
1470
7d6c23de 1471 TGeoVolume *hole4 = new TGeoVolume("SDDCableHole4",
1472 hole4shape,medSDDair);
1473 hole4->SetVisibility(kTRUE);
1474 hole4->SetLineColor(5); // Yellow
1475 hole4->SetLineWidth(1);
1476 hole4->SetFillColor(hole4->GetLineColor());
1477 hole4->SetFillStyle(4090); // 90% transparent
1478
1479 // Mount up a cone
1480 cfconeinsert->AddNode(cfconefoam,1,0);
1481
7d6c23de 1482 for (Int_t i=0; i<12; i++) {
1483 Double_t phiH = i*30.0;
a30e33f0 1484 cfconefoam->AddNode(hole1 , i+1, new TGeoRotation("", 0, 0, phiH));
1485 cfcone->AddNode(hole11, i+1, new TGeoRotation("", 0, 0, phiH));
1486 cfcone->AddNode(hole12, i+1, new TGeoRotation("", 0, 0, phiH));
7d6c23de 1487 }
1488
1489 for (Int_t i=0; i<6; i++) {
1490 Double_t phiH = i*60.0;
a30e33f0 1491 cfconefoam->AddNode(hole2 , i+1, new TGeoRotation("", 0, 0, phiH));
1492 cfcone->AddNode(hole21, i+1, new TGeoRotation("", 0, 0, phiH));
1493 cfcone->AddNode(hole22, i+1, new TGeoRotation("", 0, 0, phiH));
7d6c23de 1494 }
1495
1496 for (Int_t i=0; i<kNHole3; i++) {
1497 Double_t phiH0 = 360./(Double_t)kNHole3;
1498 Double_t phiH = i*phiH0 + 0.5*phiH0;
a30e33f0 1499 cfconefoam->AddNode(hole3 , i+1, new TGeoRotation("", phiH, 0, 0));
1500 cfcone->AddNode(hole31, i+1, new TGeoRotation("", phiH, 0, 0));
1501 cfcone->AddNode(hole32, i+1, new TGeoRotation("", phiH, 0, 0));
7d6c23de 1502 }
a30e33f0 1503
1504 cfcone->AddNode(cfconeinsert,1,0);
1505
7d6c23de 1506/*
1507 for (Int_t i=0; i<kNHole4; i++) {
1508 Double_t phiH0 = 360./(Double_t)kNHole4;
1509 Double_t phiH = i*phiH0 + 0.25*phiH0;
1510 cfcone->AddNode(hole4, i+1, new TGeoRotation("", phiH, 0, 0));
1511 }
1512*/
3a299c65 1513 // Finally put everything in the mother volume
1514 moth->AddNode(cfcylinder,1,0);
7d6c23de 1515
1516 z = coneshape->Z(9);
3a299c65 1517 moth->AddNode(cfcone,1,new TGeoTranslation(0, 0, -z - kCylinderHalfLength));
1518 moth->AddNode(cfcone,2,new TGeoCombiTrans (0, 0, z + kCylinderHalfLength,
1519 new TGeoRotation("", 0, 180, 0) ));
7d6c23de 1520
7d6c23de 1521
1522 return;
172b0d90 1523}
7d6c23de 1524
172b0d90 1525//______________________________________________________________________
3a299c65 1526void AliITSv11GeometrySupport::SSDCone(TGeoVolume *moth,TGeoManager *mgr)
1527{
1528//
1529// Creates the SSD support cone and cylinder geometry. as a
1530// volume assembly and adds it to the mother volume
1531// (part of this code is taken or anyway inspired to SSDCone method
1532// of AliITSv11GeometrySupport.cxx,v 1.9 2007/06/06)
1533//
1534// Input:
1535// moth : the TGeoVolume owing the volume structure
1536// mgr : the GeoManager (default gGeoManager)
1537// Output:
1538//
1539// Created: ??? Bjorn S. Nilsen
1540// Updated: 08 Mar 2008 Mario Sitta
1541//
1542// Technical data are taken from: "ITS Supporto Generale" (technical
1543// drawings ALR3-0743/1, ALR3-0743/1A and ALR3-0743/1B), "Supporto Generale
1544// Settore SSD" (technical drawings ALR3-0743/2A and ALR3-0743/2E), private
1545// communication with B. Giraudo
5e15508a 1546//
1547// Updated: 11 Apr 2008 Mario Sitta
1548// Measures from drawings give overlaps with SPD thermal shield wings,
1549// so the terminal part of the SSD cone was reduced
573a206f 1550//
1551// Updated: 30 Mar 2010 Mario Sitta
1552// Following M. van Leeuwen's suggestion on material budget, the thickness
1553// of the carbon fiber cylinder was increased from 0.6 to 0.625mm
3a299c65 1554
1555 // Dimensions of the Central cylinder and flanges
1556 const Double_t kCylinderHalfLength = (1144.0/2) *fgkmm;
1557 const Double_t kCylinderOuterRadius = ( 595.0/2) *fgkmm;
573a206f 1558 const Double_t kCylinderThickness = 0.625*fgkmm;
3a299c65 1559 const Double_t kFoamHalfLength = (1020.0/2) *fgkmm;
1560 const Double_t kFoamThickness = 5.0 *fgkmm;
1561 const Double_t kFlangeHalfLength =
1562 (kCylinderHalfLength-kFoamHalfLength)/2.;
1563 const Double_t kFlangeInnerRadius = ( 563.0/2) *fgkmm;
1564 // Dimensions of the Cone
fd5b6398 1565 const Double_t kConeROuterMin = ( 957.0/2) *fgkmm;
1566 const Double_t kConeROuterMax = ( 997.0/2) *fgkmm;
3a299c65 1567 const Double_t kConeRInnerMin = ( 564.0/2) *fgkmm;
1568 const Double_t kConeRCurv1 = 10.0 *fgkmm;
1569 const Double_t kConeRCurv2 = 25.0 *fgkmm;
1570 const Double_t kConeCent1RCurv2 = ( 578.0/2) *fgkmm;
6b42825b 1571 const Double_t kConeCent2RCurv2 = ( 592.0/2) *fgkmm;
5e15508a 1572// const Double_t kConeZOuterRing = 47.0 *fgkmm;
1573// const Double_t kConeZOuterRingInside = 30.25*fgkmm;
1574// const Double_t kConeZInnerRing = 161.5 *fgkmm;
1575// const Double_t kConeZLength = 176.5 *fgkmm;
1576 const Double_t kConeZOuterRing = 38.5 *fgkmm;
1577 const Double_t kConeZOuterRingInside = 22.2 *fgkmm;
1578 const Double_t kConeZInnerRing = 153.0 *fgkmm;
1579 const Double_t kConeZLength = 168.0 *fgkmm;
3a299c65 1580 const Double_t kConeZPosition = kConeZLength + kCylinderHalfLength;
1581 const Double_t kConeThickness = 13.0 *fgkmm; // Cone thickness
81adc4e0 1582 const Double_t kConeTheta = 39.1 *fgkDegree; // Cone angle
3a299c65 1583 const Double_t kSinConeTheta =
1584 TMath::Sin(kConeTheta*TMath::DegToRad());
1585 const Double_t kCosConeTheta =
1586 TMath::Cos(kConeTheta*TMath::DegToRad());
1587 // Dimensions of the Foam cores
1588 const Double_t kConeFoam1Length = 112.3 *fgkmm;
1589 const Double_t kConeFoam2Length = 58.4 *fgkmm;
1590 // Dimensions of the Cone Holes
1591 const Double_t kCoolingHoleWidth = 40.0 *fgkmm;
1592 const Double_t kCoolingHoleHight = 30.0 *fgkmm;
1593 const Double_t kCoolingHoleRmin = 350.0 *fgkmm;
1594 const Double_t kCoolingHolePhi = 45.0 *fgkDegree;
1595 const Double_t kMountingHoleWidth = 20.0 *fgkmm;
1596 const Double_t kMountingHoleHight = 20.0 *fgkmm;
1597 const Double_t kMountingHoleRmin = 317.5 *fgkmm;
1598 const Double_t kMountingHolePhi = 60.0 *fgkDegree;
1599 const Double_t kCableHoleRin = ( 800.0/2) *fgkmm;
1600 const Double_t kCableHoleRout = ( 920.0/2) *fgkmm;
1601 const Double_t kCableHoleWidth = 200.0 *fgkmm;
1602// const Double_t kCableHoleAngle = 42.0 *fgkDegree;
1603 // Dimensions of the Cone Wings
1604 const Double_t kWingRmax = 527.5 *fgkmm;
1605 const Double_t kWingWidth = 70.0 *fgkmm;
1606 const Double_t kWingHalfThick = ( 10.0/2) *fgkmm;
1607 const Double_t kThetaWing = 45.0 *fgkDegree;
1608 // Dimensions of the SSD-SDD Mounting Brackets
989ee428 1609 const Double_t kBracketRmin = ( 541.0/2) *fgkmm;// See SDD ROutMin
3a299c65 1610 const Double_t kBracketRmax = ( 585.0/2) *fgkmm;
1611 const Double_t kBracketHalfLength = ( 4.0/2) *fgkmm;
1612 const Double_t kBracketPhi = (70.*fgkmm/kBracketRmax)*fgkRadian;
1613 // Common data
1614 const Double_t kCFThickness = 0.75*fgkmm; //Carb. fib. thick.
1615
1616
1617 // Local variables
1618 Double_t rmin1, rmin2, rmax, z;
1619
1620 //
1621 //Begin_Html
1622 /*
1623 <img src="picts/ITS/file_name.gif">
1624 <P>
1625 <FONT FACE'"TIMES">
1626 ITS SSD central support and thermal shield cylinder.
1627 </FONT>
1628 </P>
1629 */
1630 //End_Html
1631 //
1632
1633 // Central cylinder with its internal foam and the lateral flanges:
1634 // a carbon fiber Pcon which contains a rohacell Tube and two
1635 // stesalite Cone's
1636 TGeoPcon *externalcylshape = new TGeoPcon(0,360,4);
1637
1638 rmax = kCylinderOuterRadius;
1639 rmin1 = kFlangeInnerRadius - kCylinderThickness;
1640 rmin2 = rmax - 2*kCylinderThickness - kFoamThickness;
1641 externalcylshape->DefineSection(0,-kCylinderHalfLength,rmin1,rmax);
1642 externalcylshape->DefineSection(1,-kFoamHalfLength ,rmin2,rmax);
1643 externalcylshape->DefineSection(2, kFoamHalfLength ,rmin2,rmax);
1644 externalcylshape->DefineSection(3, kCylinderHalfLength,rmin1,rmax);
1645
1646 rmax = kCylinderOuterRadius - kCylinderThickness;
1647 rmin1 = rmax - kFoamThickness;
1648 TGeoTube *foamshape = new TGeoTube(rmin1,rmax,kFoamHalfLength);
1649
1650 rmax = kCylinderOuterRadius - kCylinderThickness;
1651 rmin1 = rmax - kFoamThickness;
1652 rmin2 = kFlangeInnerRadius;
1653 TGeoCone *flangeshape = new TGeoCone(kFlangeHalfLength,
1654 rmin1,rmax,rmin2,rmax);
1655
1656
1657 // We have the shapes: now create the real volumes
1658
1659 TGeoMedium *medSSDcf = mgr->GetMedium("ITS_SSD C (M55J)$");
1660 TGeoMedium *medSSDair = mgr->GetMedium("ITS_SSD AIR$");
1661 TGeoMedium *medSSDste = mgr->GetMedium("ITS_G10FR4$"); // stesalite
1662 TGeoMedium *medSSDroh = mgr->GetMedium("ITS_ROHACELL$");
1663 TGeoMedium *medSSDal = mgr->GetMedium("ITS_ALUMINUM$");
1664
1665 TGeoVolume *cfcylinder = new TGeoVolume("SSDexternalcylinder",
1666 externalcylshape,medSSDcf);
1667 cfcylinder->SetVisibility(kTRUE);
1668 cfcylinder->SetLineColor(4); // blue
1669 cfcylinder->SetLineWidth(1);
1670 cfcylinder->SetFillColor(cfcylinder->GetLineColor());
1671 cfcylinder->SetFillStyle(4000); // 0% transparent
1672
1673 TGeoVolume *foamcylinder = new TGeoVolume("SSDfoamcylinder",
1674 foamshape,medSSDroh);
1675 foamcylinder->SetVisibility(kTRUE);
1676 foamcylinder->SetLineColor(3); // green
1677 foamcylinder->SetLineWidth(1);
1678 foamcylinder->SetFillColor(foamcylinder->GetLineColor());
1679 foamcylinder->SetFillStyle(4050); // 50% transparent
1680
1681 TGeoVolume *flangecylinder = new TGeoVolume("SSDflangecylinder",
1682 flangeshape,medSSDste);
1683 flangecylinder->SetVisibility(kTRUE);
1684 flangecylinder->SetLineColor(2); // red
1685 flangecylinder->SetLineWidth(1);
1686 flangecylinder->SetFillColor(flangecylinder->GetLineColor());
1687 flangecylinder->SetFillStyle(4050); // 50% transparent
1688
1689 // Mount up the cylinder
1690 cfcylinder->AddNode(foamcylinder,1,0);
1691 cfcylinder->AddNode(flangecylinder,1,
1692 new TGeoTranslation(0, 0, kFoamHalfLength+kFlangeHalfLength));
1693 cfcylinder->AddNode(flangecylinder,2,new TGeoCombiTrans(
1694 0, 0, -kFoamHalfLength-kFlangeHalfLength,
1695 new TGeoRotation("",0,180,0) ) );
1696
1697
1698 // The whole Cone as an assembly
1699 TGeoVolumeAssembly *vC = new TGeoVolumeAssembly("ITSssdCone");
1700
1701
1702 // SSD Support Cone with its internal inserts: a carbon fiber Pcon
1703 // with holes which contains a stesalite Pcon which on turn contains a
1704 // rohacell Pcon
1705 TGeoPcon *coneshape = new TGeoPcon(0.0, 360.0, 12);
1706
1707 coneshape->Z(0) = 0.0;
1708 coneshape->Rmin(0) = kConeROuterMin;
1709 coneshape->Rmax(0) = kConeROuterMax;
1710
1711 coneshape->Z(1) = kConeZOuterRingInside - kConeRCurv1;
1712 coneshape->Rmin(1) = coneshape->GetRmin(0);
1713 coneshape->Rmax(1) = coneshape->GetRmax(0);
1714
1715 coneshape->Z(2) = kConeZOuterRingInside;
1716 coneshape->Rmin(2) = coneshape->GetRmin(1) - kConeRCurv1;
1717 coneshape->Rmax(2) = coneshape->GetRmax(0);
1718
1719 coneshape->Z(3) = coneshape->GetZ(2);
1720 coneshape->Rmax(3) = coneshape->GetRmax(0);
1721
1722 coneshape->Z(4) = kConeZOuterRing - kConeRCurv1;
1723 coneshape->Rmax(4) = coneshape->GetRmax(0);
1724
1725 coneshape->Z(5) = kConeZOuterRing;
1726 coneshape->Rmax(5) = coneshape->GetRmax(4) - kConeRCurv1;
1727
1728 coneshape->Z(6) = coneshape->GetZ(5);
1729
1730 RadiusOfCurvature(kConeRCurv2,90.0,kConeZInnerRing,kConeCent1RCurv2,
1731 90.0-kConeTheta,z,rmin1);
1732 coneshape->Z(7) = z;
1733 coneshape->Rmin(7) = rmin1;
1734
1735 coneshape->Rmin(3) = RminFromZpCone(coneshape,7,90.-kConeTheta,
1736 coneshape->GetZ(3));
1737
1738 coneshape->Rmin(4) = RminFrom2Points(coneshape,3,7,coneshape->GetZ(4));
1739
1740 coneshape->Rmin(5) = RminFrom2Points(coneshape,3,7,coneshape->GetZ(5));
1741
1742 coneshape->Rmin(6) = coneshape->GetRmin(5);
1743
1744 coneshape->Z(8) = kConeZInnerRing;
1745 coneshape->Rmin(8) = kConeCent1RCurv2;
1746
1747 coneshape->Z(9) = coneshape->GetZ(8);
1748 coneshape->Rmin(9) = kConeRInnerMin;
1749
1750 RadiusOfCurvature(kConeRCurv2,90.0,kConeZLength,kConeCent2RCurv2,
1751 90.0-kConeTheta,z,rmax);
1752
1753 coneshape->Z(10) = z;
1754 coneshape->Rmin(10) = coneshape->GetRmin(9);
1755 coneshape->Rmax(10) = rmax;
1756
1757 coneshape->Rmax(6) = RmaxFromZpCone(coneshape,10,90.-kConeTheta,
1758 coneshape->GetZ(6));
1759
1760 coneshape->Rmax(7) = RmaxFrom2Points(coneshape,6,10,coneshape->GetZ(7));
1761
1762 coneshape->Rmax(8) = RmaxFrom2Points(coneshape,6,10,coneshape->GetZ(8));
1763
1764 coneshape->Rmax(9) = coneshape->GetRmax(8);
1765
1766 coneshape->Z(11) = kConeZLength;
1767 coneshape->Rmin(11) = coneshape->GetRmin(10);
1768 coneshape->Rmax(11) = kConeCent2RCurv2;
1769
1770 // SSD Cone Insert: another Pcon
1771 Double_t x0, y0, x1, y1, x2, y2;
1772 TGeoPcon *coneinsertshape = new TGeoPcon(0.0,360.0,12);
1773
1774 coneinsertshape->Z(0) = coneshape->GetZ(0) + kCFThickness;
1775 coneinsertshape->Rmin(0) = coneshape->GetRmin(0) + kCFThickness;
1776 coneinsertshape->Rmax(0) = coneshape->GetRmax(0) - kCFThickness;
1777
1778 x0 = coneshape->GetZ(0); y0 = coneshape->GetRmin(0);
1779 x1 = coneshape->GetZ(1); y1 = coneshape->GetRmin(1);
1780 x2 = coneshape->GetZ(2); y2 = coneshape->GetRmin(2);
1781 InsidePoint(x0, y0, x1, y1, x2, y2, kCFThickness, z, rmin1);
1782 coneinsertshape->Z(1) = z;
1783 coneinsertshape->Rmin(1) = rmin1;
1784 coneinsertshape->Rmax(1) = coneinsertshape->GetRmax(0);
1785
1786 x0 = coneshape->GetZ(1); y0 = coneshape->GetRmin(1);
1787 x1 = coneshape->GetZ(2); y1 = coneshape->GetRmin(2);
1788 x2 = coneshape->GetZ(3); y2 = coneshape->GetRmin(3);
1789 InsidePoint(x0, y0, x1, y1, x2, y2, kCFThickness, z, rmin1);
1790 coneinsertshape->Z(2) = z;
1791 coneinsertshape->Rmin(2) = rmin1;
1792 coneinsertshape->Rmax(2) = coneinsertshape->GetRmax(1);
1793
1794 x0 = coneshape->GetZ(2); y0 = coneshape->GetRmin(2);
1795 x1 = coneshape->GetZ(3); y1 = coneshape->GetRmin(3);
1796 x2 = coneshape->GetZ(4); y2 = coneshape->GetRmin(4);
1797 InsidePoint(x0, y0, x1, y1, x2, y2, kCFThickness, z, rmin1);
1798 coneinsertshape->Z(3) = z;
1799 coneinsertshape->Rmin(3) = rmin1;
1800 coneinsertshape->Rmax(3) = coneinsertshape->GetRmax(2);
1801
1802 x0 = coneshape->GetZ(3); y0 = coneshape->GetRmax(3);
1803 x1 = coneshape->GetZ(4); y1 = coneshape->GetRmax(4);
1804 x2 = coneshape->GetZ(5); y2 = coneshape->GetRmax(5);
1805 InsidePoint(x0, y0, x1, y1, x2, y2, -kCFThickness, z, rmax);
1806 coneinsertshape->Z(4) = z;
1807 coneinsertshape->Rmax(4) = rmax;
1808
1809 x0 = coneshape->GetZ(4); y0 = coneshape->GetRmax(4);
1810 x1 = coneshape->GetZ(5); y1 = coneshape->GetRmax(5);
1811 x2 = coneshape->GetZ(6); y2 = coneshape->GetRmax(6);
1812 InsidePoint(x0, y0, x1, y1, x2, y2, -kCFThickness, z, rmax);
1813 coneinsertshape->Z(5) = z;
1814 coneinsertshape->Rmax(5) = rmax;
1815
1816 x0 = coneshape->GetZ(5); y0 = coneshape->GetRmax(5);
1817 x1 = coneshape->GetZ(6); y1 = coneshape->GetRmax(6);
1818 x2 = coneshape->GetZ(7); y2 = coneshape->GetRmax(7);
1819 InsidePoint(x0, y0, x1, y1, x2, y2, -kCFThickness, z, rmax);
1820 coneinsertshape->Z(6) = z;
1821 coneinsertshape->Rmax(6) = rmax;
1822
1823 x0 = coneshape->GetZ(6); y0 = coneshape->GetRmin(6);
1824 x1 = coneshape->GetZ(7); y1 = coneshape->GetRmin(7);
1825 x2 = coneshape->GetZ(8); y2 = coneshape->GetRmin(8);
1826 InsidePoint(x0, y0, x1, y1, x2, y2, kCFThickness, z, rmin1);
1827 coneinsertshape->Z(7) = z;
1828 coneinsertshape->Rmin(7) = rmin1;
1829
1830 coneinsertshape->Rmin(4) = RminFrom2Points(coneinsertshape,3,7,
1831 coneinsertshape->GetZ(4));
1832
1833 coneinsertshape->Rmin(5) = RminFrom2Points(coneinsertshape,3,7,
1834 coneinsertshape->GetZ(5));
1835
1836 coneinsertshape->Rmin(6) = coneinsertshape->GetRmin(5);
1837
1838 x0 = coneshape->GetZ(7); y0 = coneshape->GetRmin(7);
1839 x1 = coneshape->GetZ(8); y1 = coneshape->GetRmin(8);
1840 x2 = coneshape->GetZ(9); y2 = coneshape->GetRmin(9);
1841 InsidePoint(x0, y0, x1, y1, x2, y2, kCFThickness, z, rmin1);
1842 coneinsertshape->Z(8) = z;
1843 coneinsertshape->Rmin(8) = rmin1;
1844
1845 x0 = coneshape->GetZ( 8); y0 = coneshape->GetRmin( 8);
1846 x1 = coneshape->GetZ( 9); y1 = coneshape->GetRmin( 9);
1847 x2 = coneshape->GetZ(10); y2 = coneshape->GetRmin(10);
1848 InsidePoint(x0, y0, x1, y1, x2, y2, kCFThickness, z, rmin1);
1849 coneinsertshape->Z(9) = z;
1850 coneinsertshape->Rmin(9) = rmin1;
1851
1852 x0 = coneshape->GetZ( 9); y0 = coneshape->GetRmax( 9);
1853 x1 = coneshape->GetZ(10); y1 = coneshape->GetRmax(10);
1854 x2 = coneshape->GetZ(11); y2 = coneshape->GetRmax(11);
1855 InsidePoint(x0, y0, x1, y1, x2, y2, -kCFThickness, z, rmax);
1856 coneinsertshape->Z(10) = z;
1857 coneinsertshape->Rmax(10) = rmax;
1858 coneinsertshape->Rmin(10) = coneinsertshape->GetRmin(9);
1859
1860 coneinsertshape->Rmax(7) = RmaxFrom2Points(coneinsertshape,6,10,
1861 coneinsertshape->GetZ(7));
1862
1863 coneinsertshape->Rmax(8) = RmaxFrom2Points(coneinsertshape,6,10,
1864 coneinsertshape->GetZ(8));
1865
1866 coneinsertshape->Rmax(9) = coneinsertshape->GetRmax(8);
1867
1868 x0 = coneshape->GetZ(10); y0 = coneshape->GetRmax(10);
1869 x1 = coneshape->GetZ(11); y1 = coneshape->GetRmax(11);
1870 x2 = coneshape->GetZ(11); y2 = coneshape->GetRmin(11);
1871 InsidePoint(x0, y0, x1, y1, x2, y2, -kCFThickness, z, rmax);
1872 coneinsertshape->Z(11) = z;
1873 coneinsertshape->Rmax(11) = rmax;
1874 coneinsertshape->Rmin(11) = coneinsertshape->GetRmin(10);
1875
1876 // SSD Cone Foams: two other Pcon's
1877 TGeoPcon *conefoam1shape = new TGeoPcon(0.0, 360.0, 4);
1878
1879 conefoam1shape->Z(0) = coneinsertshape->GetZ(3);
1880 conefoam1shape->Rmin(0) = coneinsertshape->GetRmin(3);
1881 conefoam1shape->Rmax(0) = conefoam1shape->GetRmin(0);
1882
1883 conefoam1shape->Rmax(1) = conefoam1shape->GetRmax(0);
1884 conefoam1shape->Z(1) = ZFromRmaxpCone(coneinsertshape,7,90.-kConeTheta,
1885 conefoam1shape->GetRmax(1));
1886 conefoam1shape->Rmin(1) = RminFromZpCone(coneinsertshape,3,90.-kConeTheta,
1887 conefoam1shape->GetZ(1));
1888
1889 Double_t t = kConeThickness - 2*kCFThickness;
1890 conefoam1shape->Rmin(2) = conefoam1shape->GetRmax(0) -
1891 (kConeFoam1Length*kCosConeTheta - t*kSinConeTheta);
1892 conefoam1shape->Z(2) = ZFromRminpCone(coneinsertshape,3,90.-kConeTheta,
1893 conefoam1shape->GetRmin(2));
1894 conefoam1shape->Rmax(2) = RmaxFromZpCone(coneinsertshape,7,90.-kConeTheta,
1895 conefoam1shape->GetZ(2));
1896
1897 conefoam1shape->Rmin(3) = conefoam1shape->GetRmin(2);
1898 conefoam1shape->Rmax(3) = conefoam1shape->GetRmin(3);
1899 conefoam1shape->Z(3) = ZFromRmaxpCone(coneinsertshape,7,90.-kConeTheta,
1900 conefoam1shape->GetRmax(3));
1901
1902 TGeoPcon *conefoam2shape = new TGeoPcon(0.0, 360.0, 4);
1903
1904 conefoam2shape->Z(3) = coneinsertshape->GetZ(10);
1905 conefoam2shape->Rmin(3) = coneinsertshape->GetRmax(10);
1906 conefoam2shape->Rmax(3) = conefoam2shape->GetRmin(3);
1907
1908 conefoam2shape->Rmin(2) = conefoam2shape->GetRmin(3);
1909 conefoam2shape->Z(2) = ZFromRminpCone(coneinsertshape,3,90.-kConeTheta,
1910 conefoam2shape->GetRmin(2));
1911 conefoam2shape->Rmax(2) = RmaxFromZpCone(coneinsertshape,7,90.-kConeTheta,
1912 conefoam2shape->GetZ(2));
1913
1914 conefoam2shape->Rmin(0) = conefoam2shape->GetRmax(2) +
1915 (kConeFoam2Length*kCosConeTheta - t*kSinConeTheta);
1916 conefoam2shape->Rmax(0) = conefoam2shape->GetRmin(0);
1917 conefoam2shape->Z(0) = ZFromRminpCone(coneinsertshape,3,90.-kConeTheta,
1918 conefoam2shape->GetRmin(0));
1919
1920 conefoam2shape->Rmax(1) = conefoam2shape->GetRmax(0);
1921 conefoam2shape->Z(1) = ZFromRmaxpCone(coneinsertshape,7,90.-kConeTheta,
1922 conefoam2shape->GetRmax(1));
1923 conefoam2shape->Rmin(1) = RminFromZpCone(coneinsertshape,3,90.-kConeTheta,
1924 conefoam2shape->GetZ(1));
1925
1926 // SSD Cone Holes: Pcon's
a30e33f0 1927 // A single hole volume gives an overlap with coneinsert, so
1928 // three contiguous volumes are created: one to be put in coneinsert
1929 // and two in the cone carbon fiber envelope
3a299c65 1930 Double_t holePhi;
1931 holePhi = (kCoolingHoleWidth/kCoolingHoleRmin)*TMath::RadToDeg();
1932
1933 TGeoPcon *coolingholeshape = new TGeoPcon(-holePhi/2., holePhi, 4);
1934
1935 coolingholeshape->Rmin(0) = kCoolingHoleRmin + kCoolingHoleHight;
1936 coolingholeshape->Rmax(0) = coolingholeshape->GetRmin(0);
a30e33f0 1937 coolingholeshape->Z(0) = ZFromRminpCone(coneinsertshape,3,90.-kConeTheta,
3a299c65 1938 coolingholeshape->GetRmin(0));
1939
1940 coolingholeshape->Rmax(1) = coolingholeshape->GetRmax(0);
a30e33f0 1941 coolingholeshape->Z(1) = ZFromRmaxpCone(coneinsertshape,7,90.-kConeTheta,
3a299c65 1942 coolingholeshape->GetRmax(1));
a30e33f0 1943 coolingholeshape->Rmin(1) = RminFromZpCone(coneinsertshape,3,90.-kConeTheta,
3a299c65 1944 coolingholeshape->GetZ(1));
1945
1946 coolingholeshape->Rmin(2) = kCoolingHoleRmin;
a30e33f0 1947 coolingholeshape->Z(2) = ZFromRminpCone(coneinsertshape,3,90.-kConeTheta,
3a299c65 1948 coolingholeshape->GetRmin(2));
a30e33f0 1949 coolingholeshape->Rmax(2) = RmaxFromZpCone(coneinsertshape,7,90.-kConeTheta,
3a299c65 1950 coolingholeshape->GetZ(2));
1951
1952 coolingholeshape->Rmin(3) = coolingholeshape->GetRmin(2);
1953 coolingholeshape->Rmax(3) = coolingholeshape->GetRmin(3);
a30e33f0 1954 coolingholeshape->Z(3) = ZFromRmaxpCone(coneinsertshape,7,90.-kConeTheta,
3a299c65 1955 coolingholeshape->GetRmax(3));
1956
a30e33f0 1957 TGeoPcon *coolinghole2shape = new TGeoPcon(-holePhi/2., holePhi, 4);
1958
1959 coolinghole2shape->Rmin(0) = kCoolingHoleRmin + kCoolingHoleHight;
1960 coolinghole2shape->Rmax(0) = coolinghole2shape->GetRmin(0);
1961 coolinghole2shape->Z(0) = ZFromRminpCone(coneshape,3,90.-kConeTheta,
1962 coolinghole2shape->GetRmin(0));
1963
1964 coolinghole2shape->Rmax(1) = coolinghole2shape->GetRmax(0);
1965 coolinghole2shape->Z(1) = coolingholeshape->GetZ(0);
1966 coolinghole2shape->Rmin(1) = RminFromZpCone(coneshape,3,90.-kConeTheta,
1967 coolinghole2shape->GetZ(1));
1968
1969 coolinghole2shape->Rmin(2) = kCoolingHoleRmin;
1970 coolinghole2shape->Z(2) = ZFromRminpCone(coneshape,3,90.-kConeTheta,
1971 coolinghole2shape->GetRmin(2));
1972 coolinghole2shape->Rmax(2) = RminFromZpCone(coneinsertshape,3,90.-kConeTheta,
1973 coolinghole2shape->GetZ(2));
1974
1975 coolinghole2shape->Rmin(3) = coolinghole2shape->GetRmin(2);
1976 coolinghole2shape->Rmax(3) = coolinghole2shape->GetRmin(3);
1977 coolinghole2shape->Z(3) = coolingholeshape->GetZ(2);
1978
1979 TGeoPcon *coolinghole3shape = new TGeoPcon(-holePhi/2., holePhi, 4);
1980
1981 coolinghole3shape->Rmin(0) = kCoolingHoleRmin + kCoolingHoleHight;
1982 coolinghole3shape->Rmax(0) = coolinghole3shape->GetRmin(0);
1983 coolinghole3shape->Z(0) = coolingholeshape->GetZ(1);
1984
1985 coolinghole3shape->Rmax(1) = coolinghole3shape->GetRmax(0);
1986 coolinghole3shape->Z(1) = ZFromRmaxpCone(coneshape,7,90.-kConeTheta,
1987 coolinghole3shape->GetRmax(1));
1988 coolinghole3shape->Rmin(1) = RmaxFromZpCone(coneinsertshape,7,90.-kConeTheta,
1989 coolinghole3shape->GetZ(1));
1990
1991 coolinghole3shape->Rmin(2) = kCoolingHoleRmin;
1992 coolinghole3shape->Z(2) = coolingholeshape->GetZ(3);
1993 coolinghole3shape->Rmax(2) = RmaxFromZpCone(coneshape,7,90.-kConeTheta,
1994 coolinghole3shape->GetZ(2));
1995
1996 coolinghole3shape->Rmin(3) = coolinghole3shape->GetRmin(2);
1997 coolinghole3shape->Rmax(3) = coolinghole3shape->GetRmin(3);
1998 coolinghole3shape->Z(3) = ZFromRmaxpCone(coneshape,7,90.-kConeTheta,
1999 coolinghole3shape->GetRmax(3));
2000
2001 //
3a299c65 2002 holePhi = (kMountingHoleWidth/kMountingHoleRmin)*TMath::RadToDeg();
2003
2004 TGeoPcon *mountingholeshape = new TGeoPcon(-holePhi/2., holePhi, 4);
2005
2006 mountingholeshape->Rmin(0) = kMountingHoleRmin + kMountingHoleHight;
2007 mountingholeshape->Rmax(0) = mountingholeshape->GetRmin(0);
2008 mountingholeshape->Z(0) = ZFromRminpCone(coneinsertshape,3,90.-kConeTheta,
2009 mountingholeshape->GetRmin(0));
2010
2011 mountingholeshape->Rmin(1) = kMountingHoleRmin;
2012 mountingholeshape->Rmax(1) = mountingholeshape->GetRmax(0);
2013 mountingholeshape->Z(1) = ZFromRminpCone(coneinsertshape,3,90.-kConeTheta,
2014 mountingholeshape->GetRmin(1));
2015
2016 mountingholeshape->Rmin(2) = mountingholeshape->GetRmin(1);
2017 mountingholeshape->Rmax(2) = mountingholeshape->GetRmax(1);
2018 mountingholeshape->Z(2) = ZFromRmaxpCone(coneinsertshape,7,90.-kConeTheta,
2019 mountingholeshape->GetRmax(2));
2020
2021 mountingholeshape->Rmin(3) = mountingholeshape->GetRmin(2);
2022 mountingholeshape->Rmax(3) = mountingholeshape->GetRmin(3);
2023 mountingholeshape->Z(3) = ZFromRmaxpCone(coneinsertshape,7,90.-kConeTheta,
2024 mountingholeshape->GetRmax(3));
2025
2026 TGeoPcon *mountinghole2shape = new TGeoPcon(-holePhi/2., holePhi, 4);
2027
2028 mountinghole2shape->Rmin(0) = kMountingHoleRmin + kMountingHoleHight;
2029 mountinghole2shape->Rmax(0) = mountingholeshape->GetRmin(0);
2030 mountinghole2shape->Z(0) = ZFromRminpCone(coneshape,3,90.-kConeTheta,
2031 mountinghole2shape->GetRmin(0));
2032
2033 mountinghole2shape->Rmax(1) = mountinghole2shape->GetRmax(0);
2034 mountinghole2shape->Z(1) = mountingholeshape->Z(0);
2035 mountinghole2shape->Rmin(1) = RminFromZpCone(coneshape,3,90.-kConeTheta,
2036 mountinghole2shape->GetZ(1));
2037
2038 mountinghole2shape->Rmin(2) = kMountingHoleRmin;
2039 mountinghole2shape->Z(2) = ZFromRminpCone(coneshape,3,90.-kConeTheta,
2040 mountinghole2shape->GetRmin(2));
2041 mountinghole2shape->Rmax(2) = RminFromZpCone(coneinsertshape,3,90.-kConeTheta,
2042 mountinghole2shape->GetZ(2));
2043
2044 mountinghole2shape->Rmin(3) = mountinghole2shape->Rmin(2);
2045 mountinghole2shape->Rmax(3) = mountinghole2shape->Rmin(3);
2046 mountinghole2shape->Z(3) = mountingholeshape->Z(1);
2047
2048 TGeoPcon *mountinghole3shape = new TGeoPcon(-holePhi/2., holePhi, 4);
2049
2050 mountinghole3shape->Rmin(0) = kMountingHoleRmin + kMountingHoleHight;
2051 mountinghole3shape->Rmax(0) = mountingholeshape->GetRmin(0);
2052 mountinghole3shape->Z(0) = mountingholeshape->GetZ(2);
2053
2054 mountinghole3shape->Rmax(1) = mountinghole3shape->GetRmax(0);
2055 mountinghole3shape->Z(1) = ZFromRmaxpCone(coneshape,7,90.-kConeTheta,
2056 mountinghole3shape->GetRmax(1));
2057 mountinghole3shape->Rmin(1) = RmaxFromZpCone(coneinsertshape,7,90.-kConeTheta,
2058 mountinghole3shape->GetZ(1));
2059
2060 mountinghole3shape->Rmin(2) = kMountingHoleRmin;
2061 mountinghole3shape->Z(2) = mountingholeshape->Z(3);
2062 mountinghole3shape->Rmax(2) = RmaxFromZpCone(coneshape,7,90.-kConeTheta,
2063 mountinghole3shape->GetZ(2));
2064
2065 mountinghole3shape->Rmin(3) = mountinghole3shape->Rmin(2);
2066 mountinghole3shape->Rmax(3) = mountinghole3shape->Rmin(3);
2067 mountinghole3shape->Z(3) = ZFromRmaxpCone(coneshape,7,90.-kConeTheta,
2068 mountinghole3shape->GetRmax(3));
2069
2070 // The Cable Hole is even more complicated, a Composite Shape
2071 // is unavoidable here (gosh!)
2072 TGeoPcon *coneshapecopy = new TGeoPcon("conecopy",0.0, 360.0, 12);
2073
2074 for (Int_t i=0; i<12; i++) {
2075 coneshapecopy->Rmin(i) = coneshape->GetRmin(i);
2076 coneshapecopy->Rmax(i) = coneshape->GetRmax(i);
2077 coneshapecopy->Z(i) = coneshape->GetZ(i);
2078 }
2079
2080 holePhi = (kCableHoleWidth/kCableHoleRout)*TMath::RadToDeg();
2081 TGeoConeSeg *chCS = new TGeoConeSeg("chCS", 0.5*kConeZLength,
2082 kCableHoleRin, kCableHoleRout,
2083 kCableHoleRin, kCableHoleRout,
2084 -0.5*holePhi, 0.5*holePhi);
2085
2086 TGeoCompositeShape *cableholeshape = new TGeoCompositeShape(
2087 "SSDCableHoleShape",
2088 "conecopy*chCS");
2089
2090 if(GetDebug(1)){
2091 chCS->InspectShape();
2092 cableholeshape->InspectShape();
2093 }
2094
2095 // SSD Cone Wings: Tube and TubeSeg shapes
2096 Double_t angleWideWing, angleWideWingThickness;
2097 angleWideWing = (kWingWidth/kWingRmax)*TMath::RadToDeg();
2098 angleWideWingThickness = (kCFThickness/kWingRmax)*TMath::RadToDeg();
2099
2100 TGeoTubeSeg *wingshape = new TGeoTubeSeg(kConeROuterMax, kWingRmax,
2101 kWingHalfThick,
2102 0, angleWideWing);
2103
2104 TGeoTubeSeg *winginsertshape = new TGeoTubeSeg(kConeROuterMax,
2105 kWingRmax-kCFThickness,
2106 kWingHalfThick-kCFThickness,
2107 angleWideWingThickness,
2108 angleWideWing-angleWideWingThickness);
2109
2110 // SDD support plate, SSD side (Mounting Bracket): a TubeSeg
2111 TGeoTubeSeg *bracketshape = new TGeoTubeSeg(kBracketRmin, kBracketRmax,
2112 kBracketHalfLength, -kBracketPhi/2, kBracketPhi/2);
2113
2114
2115 // We have the shapes: now create the real volumes
2116
2117 TGeoVolume *cfcone = new TGeoVolume("SSDCarbonFiberCone",
2118 coneshape,medSSDcf);
2119 cfcone->SetVisibility(kTRUE);
2120 cfcone->SetLineColor(4); // Blue
2121 cfcone->SetLineWidth(1);
2122 cfcone->SetFillColor(cfcone->GetLineColor());
2123 cfcone->SetFillStyle(4000); // 0% transparent
2124
2125 TGeoVolume *cfconeinsert = new TGeoVolume("SSDCarbonFiberConeInsert",
2126 coneinsertshape,medSSDste);
2127 cfconeinsert->SetVisibility(kTRUE);
2128 cfconeinsert->SetLineColor(2); // Red
2129 cfconeinsert->SetLineWidth(1);
2130 cfconeinsert->SetFillColor(cfconeinsert->GetLineColor());
2131 cfconeinsert->SetFillStyle(4050); // 50% transparent
2132
2133 TGeoVolume *cfconefoam1 = new TGeoVolume("SSDCarbonFiberConeFoam1",
2134 conefoam1shape,medSSDroh);
2135 cfconefoam1->SetVisibility(kTRUE);
2136 cfconefoam1->SetLineColor(3); // Green
2137 cfconefoam1->SetLineWidth(1);
2138 cfconefoam1->SetFillColor(cfconefoam1->GetLineColor());
2139 cfconefoam1->SetFillStyle(4050); // 50% transparent
2140
2141 TGeoVolume *cfconefoam2 = new TGeoVolume("SSDCarbonFiberConeFoam2",
2142 conefoam2shape,medSSDroh);
2143 cfconefoam2->SetVisibility(kTRUE);
2144 cfconefoam2->SetLineColor(3); // Green
2145 cfconefoam2->SetLineWidth(1);
2146 cfconefoam2->SetFillColor(cfconefoam2->GetLineColor());
2147 cfconefoam2->SetFillStyle(4050); // 50% transparent
2148
2149 TGeoVolume *coolinghole = new TGeoVolume("SSDCoolingHole",
2150 coolingholeshape,medSSDair);
2151 coolinghole->SetVisibility(kTRUE);
2152 coolinghole->SetLineColor(5); // Yellow
2153 coolinghole->SetLineWidth(1);
2154 coolinghole->SetFillColor(coolinghole->GetLineColor());
2155 coolinghole->SetFillStyle(4090); // 90% transparent
2156
a30e33f0 2157 TGeoVolume *coolinghole2 = new TGeoVolume("SSDCoolingHole2",
2158 coolinghole2shape,medSSDair);
2159 coolinghole2->SetVisibility(kTRUE);
2160 coolinghole2->SetLineColor(5); // Yellow
2161 coolinghole2->SetLineWidth(1);
2162 coolinghole2->SetFillColor(coolinghole2->GetLineColor());
2163 coolinghole2->SetFillStyle(4090); // 90% transparent
2164
2165 TGeoVolume *coolinghole3 = new TGeoVolume("SSDCoolingHole3",
2166 coolinghole3shape,medSSDair);
2167 coolinghole3->SetVisibility(kTRUE);
2168 coolinghole3->SetLineColor(5); // Yellow
2169 coolinghole3->SetLineWidth(1);
2170 coolinghole3->SetFillColor(coolinghole3->GetLineColor());
2171 coolinghole3->SetFillStyle(4090); // 90% transparent
2172
3a299c65 2173 TGeoVolume *mountinghole = new TGeoVolume("SSDMountingHole",
2174 mountingholeshape,medSSDair);
2175 mountinghole->SetVisibility(kTRUE);
2176 mountinghole->SetLineColor(5); // Yellow
2177 mountinghole->SetLineWidth(1);
2178 mountinghole->SetFillColor(mountinghole->GetLineColor());
2179 mountinghole->SetFillStyle(4090); // 90% transparent
2180
2181 TGeoVolume *mountinghole2 = new TGeoVolume("SSDMountingHole2",
2182 mountinghole2shape,medSSDair);
2183 mountinghole2->SetVisibility(kTRUE);
2184 mountinghole2->SetLineColor(5); // Yellow
2185 mountinghole2->SetLineWidth(1);
2186 mountinghole2->SetFillColor(mountinghole2->GetLineColor());
2187 mountinghole2->SetFillStyle(4090); // 90% transparent
2188
2189 TGeoVolume *mountinghole3 = new TGeoVolume("SSDMountingHole3",
2190 mountinghole3shape,medSSDair);
2191 mountinghole3->SetVisibility(kTRUE);
2192 mountinghole3->SetLineColor(5); // Yellow
2193 mountinghole3->SetLineWidth(1);
2194 mountinghole3->SetFillColor(mountinghole3->GetLineColor());
2195 mountinghole3->SetFillStyle(4090); // 90% transparent
2196
2197 TGeoVolume *wing = new TGeoVolume("SSDWing",wingshape,medSSDcf);
2198 wing->SetVisibility(kTRUE);
2199 wing->SetLineColor(4); // Blue
2200 wing->SetLineWidth(1);
2201 wing->SetFillColor(wing->GetLineColor());
2202 wing->SetFillStyle(4000); // 0% transparent
2203
2204 TGeoVolume *cablehole = new TGeoVolume("SSDCableHole",
2205 cableholeshape,medSSDair);
2206 cablehole->SetVisibility(kTRUE);
2207 cablehole->SetLineColor(5); // Yellow
2208 cablehole->SetLineWidth(1);
2209 cablehole->SetFillColor(cablehole->GetLineColor());
2210 cablehole->SetFillStyle(4090); // 90% transparent
2211
2212 TGeoVolume *winginsert = new TGeoVolume("SSDWingInsert",
2213 winginsertshape,medSSDste);
2214 winginsert->SetVisibility(kTRUE);
2215 winginsert->SetLineColor(2); // Red
2216 winginsert->SetLineWidth(1);
2217 winginsert->SetFillColor(winginsert->GetLineColor());
2218 winginsert->SetFillStyle(4050); // 50% transparent
2219
2220 TGeoVolume *bracket = new TGeoVolume("SSDMountingBracket",
2221 bracketshape,medSSDal);
2222 bracket->SetVisibility(kTRUE);
2223 bracket->SetLineColor(6); // Purple
2224 bracket->SetLineWidth(1);
2225 bracket->SetFillColor(bracket->GetLineColor());
2226 bracket->SetFillStyle(4000); // 0% transparent
2227
2228 // Mount up a cone
2229 for (Int_t i=0; i<(Int_t)(360./kMountingHolePhi); i++) {
2230 Double_t phiH = i*kMountingHolePhi + 0.5*kMountingHolePhi;
2231 cfconefoam2->AddNode(mountinghole,i+1, new TGeoRotation("", phiH, 0, 0));
2232 }
2233
a30e33f0 2234 for (Int_t i=0; i<(Int_t)(360./kCoolingHolePhi); i++) {
2235 Double_t phiH = i*kCoolingHolePhi + 0.5*kCoolingHolePhi;
2236 cfconeinsert->AddNodeOverlap(coolinghole,i+1, new TGeoRotation("", phiH, 0, 0));
2237 }
2238
3a299c65 2239 cfconeinsert->AddNode(cfconefoam1,1,0);
2240 cfconeinsert->AddNode(cfconefoam2,1,0);
2241
2242 cfcone->AddNode(cfconeinsert,1,0);
2243
2244 for (Int_t i=0; i<(Int_t)(360./kCoolingHolePhi); i++) {
2245 Double_t phiH = i*kCoolingHolePhi + 0.5*kCoolingHolePhi;
a30e33f0 2246 cfcone->AddNode(coolinghole2,i+1, new TGeoRotation("", phiH, 0, 0));
2247 cfcone->AddNode(coolinghole3,i+1, new TGeoRotation("", phiH, 0, 0));
3a299c65 2248 cfcone->AddNodeOverlap(cablehole,i+1, new TGeoRotation("", phiH, 0, 0));
2249 }
2250
2251 for (Int_t i=0; i<(Int_t)(360./kMountingHolePhi); i++) {
2252 Double_t phiH = i*kMountingHolePhi + 0.5*kMountingHolePhi;
2253 cfcone->AddNode(mountinghole2,i+1, new TGeoRotation("", phiH, 0, 0));
2254 cfcone->AddNode(mountinghole3,i+1, new TGeoRotation("", phiH, 0, 0));
2255 }
2256
2257 wing->AddNode(winginsert,1,0);
2258
2259 // Add all volumes in the Cone assembly
2260 vC->AddNode(cfcone,1,new TGeoTranslation(0,0,-kConeZPosition));
2261
2262 for (Int_t i=0; i<4; i++) {
85234543 2263 Double_t thetaW = kThetaWing + 90.*i + angleWideWing/2.;
2264 vC->AddNode(wing, i+1, new TGeoCombiTrans(0, 0, -kConeZPosition+kWingHalfThick,
3a299c65 2265 new TGeoRotation("",thetaW,180,0)));
2266 }
2267
2268 Double_t zBracket = kConeZPosition - coneshape->GetZ(9) +
a30e33f0 2269 2*bracketshape->GetDz();
3a299c65 2270 for (Int_t i=0; i<3; i++) {
2271 Double_t thetaB = 60 + 120.*i;
2272 vC->AddNode(bracket, i+1, new TGeoCombiTrans(0, 0, -zBracket,
2273 new TGeoRotation("",thetaB,0,0)));
2274 }
2275
2276 // Finally put everything in the mother volume
2277 moth->AddNode(cfcylinder,1,0);
2278
2279 moth->AddNode(vC, 1, 0 );
2280 moth->AddNode(vC, 2, new TGeoRotation("",180, 180, 0) );
2281
2282 // Some debugging if requested
2283 if(GetDebug(1)){
2284 vC->PrintNodes();
2285 vC->InspectShape();
2286 }
2287
2288 return;
172b0d90 2289}
2290
2291//______________________________________________________________________
543b7370 2292void AliITSv11GeometrySupport::ServicesCableSupport(TGeoVolume *moth,
2293 TGeoManager *mgr){
798b4e0c 2294//
2295// Creates the cable trays which are outside the ITS support cones
2296// but still inside the TPC
2297// This is now a stearing routine, the actual work is done by three
2298// specialized methods to avoid a really huge unique method
2299//
2300// Input:
2301// moth : the TGeoVolume owing the volume structure
2302// mgr : the GeoManager (default gGeoManager)
2303// Output:
2304//
2305// Created: 15 Nov 2009 Mario Sitta
2306//
2307
2308 TraySupportsSideA(moth, mgr);
2309
2310 ServicesCableSupportSPD(moth, mgr);
2311 ServicesCableSupportSDD(moth, mgr);
2312 ServicesCableSupportSSD(moth, mgr);
2313
2314 return;
2315}
2316
2317//______________________________________________________________________
2318void AliITSv11GeometrySupport::TraySupportsSideA(TGeoVolume *moth,
2319 TGeoManager *mgr){
2320//
2321// Creates the structure supporting the ITS cable trays on Side A
2322//
2323// Input:
2324// moth : the TGeoVolume owing the volume structure
2325// mgr : the GeoManager (default gGeoManager)
2326// Output:
2327//
2328// Created: 14 Dec 2009 Mario Sitta
2329// Updated: 26 Feb 2010 Mario Sitta
2330//
2331// Technical data are taken from AutoCAD drawings, L.Simonetti technical
2332// drawings and other (oral) information given by F.Tosello
2333//
2334
2335 // Dimensions and positions of the A-Side Cable Tray Support Ring
2336 // (0872/G/A/01)
2337 const Double_t kSuppRingYTrans = 110.00 *fgkmm;
2338 const Double_t kSuppRingZTrans =(1011.00+435.00) *fgkmm;
2339 const Double_t kSuppForwYTrans = 185.00 *fgkmm;
2340
2341 const Double_t kExtSuppRingSpace1 = 33.00 *fgkmm;
2342 const Double_t kExtSuppRingSpace2 = 45.00 *fgkmm;
2343 const Double_t kExtSuppRingSpcAbov = 30.00 *fgkmm;
2344 const Double_t kExtSuppRingBase = 491.50 *fgkmm;
2345 const Double_t kExtSuppRingInward = 35.00 *fgkmm;
2346 const Double_t kExtSuppRingRmax = 540.00 *fgkmm;
2347 const Double_t kExtSuppRingRint1 = 465.00 *fgkmm;
2348 const Double_t kExtSuppRingRint2 = 467.00 *fgkmm;
2349 const Double_t kExtSuppRingInnerHi = 450.00 *fgkmm;
2350 const Double_t kExtSuppRingInWide = 100.00 *fgkmm;
2351 const Double_t kExtSuppRingR7 = 7.00 *fgkmm;
2352 const Double_t kExtSuppRingR5 = 5.00 *fgkmm;
2353 const Double_t kExtSuppRingThick = 20.00 *fgkmm;
2354
2355 const Double_t kExtSuppRingSpcAng = 10.50 *TMath::DegToRad();
2356 const Double_t kExtSuppRingPartPhi = 15.00 *TMath::DegToRad();
2357 const Double_t kExtSuppRingIntAng = 7.00 *TMath::DegToRad();
2358 const Double_t kExtSuppRingBaseAng = 75.00 *TMath::DegToRad();
2359 const Double_t kExtSuppRingR7Ang = 100.00 *TMath::DegToRad(); // Guessed
2360
2361 const Int_t kExtSuppRingNPtsArc = 10; // N.points to approximate arc
2362
2363 const Double_t kIntSuppRingThick1 = 15.00 *fgkmm;
2364 const Double_t kIntSuppRingThick2 = 13.00 *fgkmm;
2365 const Double_t kIntSuppRingInward = 24.00 *fgkmm;
2366 const Double_t kIntSuppRingThick = 20.00 *fgkmm;
2367
2368 const Double_t kSuppCylHeight = 340.00 *fgkmm;
2369 const Double_t kSuppCylRint = 475.00 *fgkmm;
2370 const Double_t kSuppCylRext = 478.00 *fgkmm;
2371 const Double_t kSuppCylDispl = 137.70 *fgkmm;
2372
2373 const Double_t kSuppSpacerHeight = 30.00 *fgkmm;
2374 const Double_t kSuppSpacerThick = 10.00 *fgkmm;
2375
2376 const Double_t kSuppSpacerAngle = 15.00; // Degrees
2377
2378 const Double_t kSuppForwRingRint1 = 500.00 *fgkmm;
2379 const Double_t kSuppForwRingRint2 = 540.00 *fgkmm;
2380 const Double_t kSuppForwRingRext = 560.00 *fgkmm;
2381 const Double_t kSuppForwRingThikAll = 50.00 *fgkmm;
2382 const Double_t kSuppForwRingThikInt = 20.00 *fgkmm;
2383
2384 // (0872/G/B/01)
2385 const Double_t kSuppForwConeRmin = 558.00 *fgkmm;
2386 const Double_t kSuppForwConeRmax = 681.00 *fgkmm;
2387 const Double_t kSuppForwConeLen1 = 318.00 *fgkmm;
2388 const Double_t kSuppForwConeLen2 = 662.00 *fgkmm;
2389 const Double_t kSuppForwConeThick = 3.00 *fgkmm;
2390
2391 const Double_t kSuppBackRingPlacTop = 90.00 *fgkmm;
2392 const Double_t kSuppBackRingPlacSid = 50.00 *fgkmm;
2393 const Double_t kSuppBackRingHeight = 760.00 *fgkmm;
2394 const Double_t kSuppBackRingRext = 760.00 *fgkmm;
2395 const Double_t kSuppBackRingRint = 685.00 *fgkmm;
2396// const Double_t kSuppBackRingRint2 = 675.00 *fgkmm;
2397 const Double_t kSuppBackRingR10 = 10.00 *fgkmm;
2398 const Double_t kSuppBackRingBase = 739.00 *fgkmm;
2399 const Double_t kSuppBackRingThikAll = 50.00 *fgkmm;
2400 const Double_t kSuppBackRingThick1 = 20.00 *fgkmm;
2401 const Double_t kSuppBackRingThick2 = 20.00 *fgkmm;
2402
2403// const Double_t kSuppBackRingPlacAng = 10.00 *TMath::DegToRad();
2404 const Double_t kSuppBackRingPlacAng = 10.25 *TMath::DegToRad();//Fix ovlp.
2405 const Double_t kSuppBackRing2ndAng1 = 78.40 *TMath::DegToRad();
2406 const Double_t kSuppBackRing2ndAng2 = 45.00 *TMath::DegToRad();
2407
2408 const Int_t kSuppBackRingNPtsArc = 10; // N.points to approximate arc
2409
2410 // (0872/G/C/01)
2411 const Double_t kRearSuppZTransGlob =(1011.00+9315.00-6040.00) *fgkmm;
2412 const Double_t kBackRodZTrans = 2420.00 *fgkmm;
2413
2414 const Double_t kBackRodLength = 1160.00 *fgkmm;
2415 const Double_t kBackRodThickLen = 20.00 *fgkmm;
2416 const Double_t kBackRodDiameter = 20.00 *fgkmm;
2417
2418 const Double_t kSuppRearRingRint = 360.00 *fgkmm;
2419 const Double_t kSuppRearRingRext1 = 410.00 *fgkmm;
2420 const Double_t kSuppRearRingRext2 = 414.00 *fgkmm;
2421 const Double_t kSuppRearRingHeight = 397.00 *fgkmm;
2422 const Double_t kSuppRearRingTopWide = 111.87 *fgkmm;
2423 const Double_t kSuppRearRingBase = 451.50 *fgkmm;
2424 const Double_t kSuppRearRingBaseHi = 58.00 *fgkmm;
2425 const Double_t kSuppRearRingSideHi = 52.00 *fgkmm;
2426 const Double_t kSuppRearRingInside = 40.00 *fgkmm;
2427 const Double_t kSuppRearRingInsideHi= 12.00 *fgkmm;
2428 const Double_t kSuppRearRingThick = 20.00 *fgkmm;
2429 const Double_t kSuppRearRingXRodHole= 441.50 *fgkmm;
2430 const Double_t kSuppRearRingYRodHole= 42.00 *fgkmm;
2431
2432 const Double_t kSuppRearRing1stAng = 22.00 *TMath::DegToRad();
2433 const Double_t kSuppRearRingStepAng = 15.00 *TMath::DegToRad();
2434
2435 const Int_t kSuppRearRingNPtsArc = 10; // N.points to approximate arc
2436
2437
2438 // Local variables
2439 Double_t xprof[2*(15+kExtSuppRingNPtsArc)],yprof[2*(15+kExtSuppRingNPtsArc)];
2440 Double_t slp1, slp2, phi, xm, ym;
2441 Double_t xloc, yloc, zloc, rmin, rmax, deltaR;
2442 Int_t npoints;
2443
2444
2445 // The whole support as an assembly
2446 TGeoVolumeAssembly *trayASuppStruct = new TGeoVolumeAssembly("ITSsuppSideAStructure");
2447
2448
2449 // First create all needed shapes
2450
2451 // The External Ring (part of 0872/G/A/01): a really complex Xtru
2452 TGeoXtru *extSuppRing = new TGeoXtru(2);
2453
2454 // First the upper notch...
2455 xprof[ 0] = kExtSuppRingSpace1;
2456 yprof[ 0] = kExtSuppRingInnerHi + kExtSuppRingSpcAbov;
2457
2458 slp1 = TMath::Tan(TMath::Pi()/2 - kExtSuppRingSpcAng);
2459 IntersectCircle(slp1, xprof[0], yprof[0], kExtSuppRingRmax, 0., 0.,
2460 xprof[5], yprof[5], xm, ym); // Ignore dummy xm,ym
2461
2462 xprof[ 4] = xprof[5];
2463 yprof[ 4] = yprof[5] - kExtSuppRingR5/TMath::Tan(kExtSuppRingSpcAng);
2464 xprof[ 3] = xprof[4] - kExtSuppRingR5*(1 - TMath::Cos(TMath::Pi()/6));
2465 yprof[ 3] = yprof[4] - kExtSuppRingR5*( TMath::Sin(TMath::Pi()/6));
2466 xprof[ 2] = xprof[4] - kExtSuppRingR5*(1 - TMath::Cos(TMath::Pi()/3));
2467 yprof[ 2] = yprof[4] - kExtSuppRingR5*( TMath::Sin(TMath::Pi()/3));
2468 xprof[ 1] = xprof[4] - kExtSuppRingR5;
2469 yprof[ 1] = yprof[4] - kExtSuppRingR5;
2470
2471 Int_t indx = 5+kExtSuppRingNPtsArc;
2472 // ...then the external arc, approximated with segments,...
2473 xprof[indx] = kExtSuppRingBase;
2474 yprof[indx] = TMath::Sqrt(kExtSuppRingRmax*kExtSuppRingRmax -
2475 kExtSuppRingBase*kExtSuppRingBase);
2476 Double_t alphamin = TMath::ASin(kExtSuppRingSpace2/kExtSuppRingRmax);
2477 Double_t alphamax = TMath::Pi()/2 -
2478 TMath::ASin(yprof[5+kExtSuppRingNPtsArc]/kExtSuppRingRmax);
2479
2480 for (Int_t jp = 1; jp < kExtSuppRingNPtsArc; jp++) {
2481 Double_t alpha = jp*(alphamax-alphamin)/kExtSuppRingNPtsArc;
2482 xprof[5+jp] = kExtSuppRingRmax*TMath::Sin(alpha);
2483 yprof[5+jp] = kExtSuppRingRmax*TMath::Cos(alpha);
2484 }
2485 // ...and finally the interior profile
2486 xprof[indx+1] = kExtSuppRingBase;
2487 yprof[indx+1] = kSuppRingYTrans;
2488 xprof[indx+2] = xprof[indx+1] - kExtSuppRingInward;
2489 yprof[indx+2] = yprof[indx+1];
2490
2491 phi = TMath::Pi()/2 - 4*kExtSuppRingPartPhi - kExtSuppRingIntAng;
2492 slp1 = TMath::Tan(TMath::Pi() - kExtSuppRingBaseAng);
2493 slp2 = TMath::Tan(TMath::Pi()/2 + phi);
2494 xm = kExtSuppRingRint2*TMath::Cos(phi);
2495 ym = kExtSuppRingRint2*TMath::Sin(phi);
2496 IntersectLines(slp1, xprof[indx+2], yprof[indx+2], slp2, xm, ym,
2497 xprof[indx+3], yprof[indx+3]);
2498
2499 slp1 = slp2;
2500 phi += kExtSuppRingPartPhi;
2501 slp2 = TMath::Tan(TMath::Pi()/2 + phi);
2502 xm = kExtSuppRingRint1*TMath::Cos(phi);
2503 ym = kExtSuppRingRint1*TMath::Sin(phi);
2504 IntersectLines(slp1, xprof[indx+3], yprof[indx+3], slp2, xm, ym,
2505 xprof[indx+4], yprof[indx+4]);
2506
2507 slp1 = slp2;
2508 phi += kExtSuppRingPartPhi;
2509 slp2 = TMath::Tan(TMath::Pi()/2 + phi);
2510 xm = kExtSuppRingRint2*TMath::Cos(phi);
2511 ym = kExtSuppRingRint2*TMath::Sin(phi);
2512 IntersectLines(slp1, xprof[indx+4], yprof[indx+4], slp2, xm, ym,
2513 xprof[indx+5], yprof[indx+5]);
2514
2515 slp1 = slp2;
2516 phi += kExtSuppRingPartPhi;
2517 slp2 = TMath::Tan(TMath::Pi()/2 + phi);
2518 xm = kExtSuppRingRint1*TMath::Cos(phi);
2519 ym = kExtSuppRingRint1*TMath::Sin(phi);
2520 IntersectLines(slp1, xprof[indx+5], yprof[indx+5], slp2, xm, ym,
2521 xprof[indx+6], yprof[indx+6]);
2522
2523 xprof[indx+9] = kExtSuppRingInWide;
2524 yprof[indx+9] = kExtSuppRingInnerHi;
2525 xprof[indx+8] = xprof[indx+9] +
2526 (1 - TMath::Cos(kExtSuppRingR7Ang/2))*kExtSuppRingR7;
2527 yprof[indx+8] = yprof[indx+9] +
2528 ( TMath::Sin(kExtSuppRingR7Ang/2))*kExtSuppRingR7;
2529 xprof[indx+7] = xprof[indx+9] +
2530 (1 + TMath::Cos(kExtSuppRingR7Ang ))*kExtSuppRingR7;
2531 yprof[indx+7] = yprof[indx+9] +
2532 ( TMath::Sin(kExtSuppRingR7Ang ))*kExtSuppRingR7;
2533 // Gosh, we did the right side! now reflex on the left side
2534 npoints = (sizeof(xprof)/sizeof(Double_t))/2;
2535 for (Int_t jp = 0; jp < npoints; jp++) {
2536 xprof[npoints+jp] = -xprof[npoints-1-jp];
2537 yprof[npoints+jp] = yprof[npoints-1-jp];
2538 }
2539 // wow! now the actual Xtru
2540 extSuppRing->DefinePolygon(2*npoints, xprof, yprof);
2541 extSuppRing->DefineSection(0,0);
2542 extSuppRing->DefineSection(1,kExtSuppRingThick);
2543
2544 // The Internal Ring (part of 0872/G/A/01): another complex Xtru
2545 TGeoXtru *intSuppRing = new TGeoXtru(2);
2546
2547 // First the external profile...
2548 npoints = 0;
2549
2550 slp1 = 0;
2551 phi = TMath::Pi()/2 - kExtSuppRingPartPhi - kExtSuppRingIntAng;
2552 slp2 = TMath::Tan(TMath::Pi()/2 + phi);
2553 xm = (kExtSuppRingRint1+kIntSuppRingThick1)*TMath::Cos(phi);
2554 ym = (kExtSuppRingRint1+kIntSuppRingThick1)*TMath::Sin(phi);
2555 IntersectLines(slp1, 0, kExtSuppRingInnerHi+kExtSuppRingSpcAbov,
2556 slp2, xm, ym,
2557 xprof[npoints], yprof[npoints]);
2558 npoints++;
2559
2560 slp1 = slp2;
2561 phi -= kExtSuppRingPartPhi;
2562 slp2 = TMath::Tan(TMath::Pi()/2 + phi);
2563 xm = (kExtSuppRingRint2+kIntSuppRingThick2)*TMath::Cos(phi);
2564 ym = (kExtSuppRingRint2+kIntSuppRingThick2)*TMath::Sin(phi);
2565 IntersectLines(slp1, xprof[npoints-1], yprof[npoints-1],
2566 slp2, xm, ym,
2567 xprof[npoints], yprof[npoints]);
2568 npoints++;
2569
2570 slp1 = slp2;
2571 phi -= kExtSuppRingPartPhi;
2572 slp2 = TMath::Tan(TMath::Pi()/2 + phi);
2573 xm = (kExtSuppRingRint1+kIntSuppRingThick1)*TMath::Cos(phi);
2574 ym = (kExtSuppRingRint1+kIntSuppRingThick1)*TMath::Sin(phi);
2575 IntersectLines(slp1, xprof[npoints-1], yprof[npoints-1],
2576 slp2, xm, ym,
2577 xprof[npoints], yprof[npoints]);
2578 npoints++;
2579
2580 slp1 = slp2;
2581 phi -= kExtSuppRingPartPhi;
2582 slp2 = TMath::Tan(TMath::Pi()/2 + phi);
2583 xm = (kExtSuppRingRint2+kIntSuppRingThick2)*TMath::Cos(phi);
2584 ym = (kExtSuppRingRint2+kIntSuppRingThick2)*TMath::Sin(phi);
2585 IntersectLines(slp1, xprof[npoints-1], yprof[npoints-1],
2586 slp2, xm, ym,
2587 xprof[npoints], yprof[npoints]);
2588 npoints++;
2589
2590 xprof[npoints] = kExtSuppRingBase-kIntSuppRingInward;
2591 yprof[npoints] = Yfrom2Points(xprof[npoints-1], yprof[npoints-1], xm, ym,
2592 xprof[npoints]);
2593 npoints++;
2594
2595 xprof[npoints] = xprof[npoints-1];
2596 yprof[npoints] = kSuppRingYTrans;
2597 npoints++;
2598 // ...and then the interior profile, which is identical to extSuppRing one
2599 for (Int_t jp=0; jp < 8; jp++) {
2600 xprof[npoints] = extSuppRing->GetX(17+jp);
2601 yprof[npoints] = extSuppRing->GetY(17+jp);
2602 npoints++;
2603 }
2604 // We did the right side! now reflex on the left side
2605 for (Int_t jp = 0; jp < npoints; jp++) {
2606 xprof[npoints+jp] = -xprof[npoints-1-jp];
2607 yprof[npoints+jp] = yprof[npoints-1-jp];
2608 }
2609 // And now the actual Xtru
2610 intSuppRing->DefinePolygon(2*npoints, xprof, yprof);
2611 intSuppRing->DefineSection(0,0);
2612 intSuppRing->DefineSection(1,kIntSuppRingThick);
2613
2614 // The intermediate cylinder (0872/G/A/03): a TubeSeg
2615 alphamin = TMath::ASin(kSuppCylDispl/kSuppCylRint)*TMath::RadToDeg();
2616 alphamax = 180 - alphamin;
2617 TGeoTubeSeg *interCylind = new TGeoTubeSeg(kSuppCylRint, kSuppCylRext,
2618 kSuppCylHeight/2, alphamin, alphamax);
2619
2620 // The spacer (0872/G/A/03): a simple Xtru
2621 TGeoXtru *suppSpacer = new TGeoXtru(2);
2622
2623 xprof[0] = kSuppSpacerHeight;
2624 yprof[0] = kSuppSpacerThick;
2625 xprof[1] = xprof[0];
2626 yprof[1] = 0;
2627 xprof[2] = 0;
2628 yprof[2] = 0;
2629 xprof[3] = kSuppSpacerThick*SinD(kSuppSpacerAngle);
2630 yprof[3] = yprof[0];
2631
2632 suppSpacer->DefinePolygon(4, xprof, yprof);
2633 suppSpacer->DefineSection(0,-kSuppCylHeight/2);
2634 suppSpacer->DefineSection(1, kSuppCylHeight/2);
2635
2636 // The forward ring (0872/G/B/02): a Pcon (slight oversimplification)
2637 Double_t rmean = (kSuppForwRingRint1+kSuppForwRingRext)/2;
2638 alphamin = TMath::ASin(kSuppForwYTrans/rmean)*TMath::RadToDeg();
2639 alphamax = 180 - alphamin;
2640
2641 TGeoPcon *forwardRing = new TGeoPcon(alphamin,alphamax-alphamin,4);
2642
2643 forwardRing->DefineSection(0,0,
2644 kSuppForwRingRint1,kSuppForwRingRext);
2645 forwardRing->DefineSection(1,kSuppForwRingThikInt,
2646 kSuppForwRingRint1,kSuppForwRingRext);
2647 forwardRing->DefineSection(2,kSuppForwRingThikInt,
2648 kSuppForwRingRint2,kSuppForwRingRext);
2649 forwardRing->DefineSection(3,kSuppForwRingThikAll,
2650 kSuppForwRingRint2,kSuppForwRingRext);
2651
2652 // The forward cone (0872/G/B/03): a TGeoPcon
2653 TGeoPcon *forwardCone = new TGeoPcon(alphamin,alphamax-alphamin,3);
2654
2655 forwardCone->DefineSection(0,0,
2656 kSuppForwConeRmin-kSuppForwConeThick,
2657 kSuppForwConeRmin);
2658 forwardCone->DefineSection(1,kSuppForwConeLen1,
2659 kSuppForwConeRmin-kSuppForwConeThick,
2660 kSuppForwConeRmin);
2661 forwardCone->DefineSection(2,kSuppForwConeLen1+kSuppForwConeLen2,
2662 kSuppForwConeRmax-kSuppForwConeThick,
2663 kSuppForwConeRmax);
2664
2665 // The first part of the Back Ring (part of 0872/G/B/01): a complex Xtru
2666 TGeoXtru *firstSuppBackRing = new TGeoXtru(2);
2667
2668 // First the external profile... (the arc is approximated with segments)
2669 npoints = 0;
2670
2671 xprof[npoints] = kSuppBackRingPlacTop;
2672 yprof[npoints] = kSuppBackRingHeight;
2673 npoints++;
2674
2675 alphamax = TMath::Pi()/2 - TMath::ASin(kSuppBackRingPlacTop/kSuppBackRingRext);
2676 alphamin = TMath::ASin((kSuppForwYTrans+kSuppBackRingPlacSid)/kSuppBackRingRext);
2677
2678 xprof[npoints] = xprof[npoints-1];
2679 yprof[npoints] = kSuppBackRingRext*TMath::Sin(alphamax);
2680 npoints++;
2681
2682 for (Int_t jp = 1; jp <= kSuppBackRingNPtsArc; jp++) {
2683 Double_t alpha = alphamax - jp*(alphamax-alphamin)/kSuppBackRingNPtsArc;
2684 xprof[npoints] = kSuppBackRingRext*TMath::Cos(alpha);
2685 yprof[npoints] = kSuppBackRingRext*TMath::Sin(alpha);
2686 npoints++;
2687 }
2688
2689 xprof[npoints] = kSuppBackRingBase -
2690 kSuppBackRingPlacSid*TMath::Tan(kSuppBackRingPlacAng);
2691 yprof[npoints] = yprof[npoints-1];
2692 npoints++;
2693
2694 xprof[npoints] = kSuppBackRingBase;
2695 yprof[npoints] = kSuppForwYTrans;
2696 npoints++;
2697 // ...then the internal profile (the arc is approximated with segments)
2698 alphamin = TMath::ASin(kSuppForwYTrans/kSuppBackRingRint);
2699 alphamax = TMath::Pi()/2;
2700
2701 for (Int_t jp = 0; jp < kSuppBackRingNPtsArc; jp++) {
2702 Double_t alpha = alphamin + jp*(alphamax-alphamin)/kSuppBackRingNPtsArc;
2703 xprof[npoints] = kSuppBackRingRint*TMath::Cos(alpha);
2704 yprof[npoints] = kSuppBackRingRint*TMath::Sin(alpha);
2705 npoints++;
2706 }
2707
2708 xprof[npoints] = 0;
2709 yprof[npoints] = kSuppBackRingRint;
2710 npoints++;
2711 // We did the right side! now reflex on the left side (except last point)
2712 for (Int_t jp = 0; jp < npoints-1; jp++) {
2713 xprof[npoints+jp] = -xprof[npoints-jp-2];
2714 yprof[npoints+jp] = yprof[npoints-jp-2];
2715 }
2716 // And now the actual Xtru
2717 firstSuppBackRing->DefinePolygon(2*npoints-1, xprof, yprof);
2718 firstSuppBackRing->DefineSection(0,0);
2719 firstSuppBackRing->DefineSection(1,kSuppBackRingThick1);
2720
2721 // The second part of the Back Ring (part of 0872/G/B/01): a Pcon
2722 // (slight oversimplification)
2723 alphamin = TMath::ASin(kSuppForwYTrans/kSuppBackRingRint)*TMath::RadToDeg();
2724 alphamax = 180 - alphamin;
2725
2726 TGeoPcon *secondSuppBackRing = new TGeoPcon(alphamin,alphamax-alphamin,6);
2727
2728 deltaR = kSuppBackRingThick2/TMath::Sin(kSuppBackRing2ndAng1);
2729 rmin = kSuppBackRingRint - kSuppBackRingThick1/TMath::Tan(kSuppBackRing2ndAng1);
2730 rmax = rmin + deltaR + kSuppBackRingR10*TMath::Sin(kSuppBackRing2ndAng1);
2731 secondSuppBackRing->DefineSection(0, 0, rmin, rmax);
2732
2733 zloc = kSuppBackRingR10*(1 - TMath::Cos(kSuppBackRing2ndAng1/3));
2734 rmax -= kSuppBackRingR10*TMath::Sin(kSuppBackRing2ndAng1/3);
2735 rmin = secondSuppBackRing->GetRmin(0) - zloc/TMath::Tan(kSuppBackRing2ndAng1);
2736 secondSuppBackRing->DefineSection(1, zloc, rmin, rmax);
2737
2738 zloc = kSuppBackRingR10*(1 - TMath::Cos(kSuppBackRing2ndAng1*2/3));
2739 rmax = secondSuppBackRing->GetRmax(0) - kSuppBackRingR10*TMath::Sin(kSuppBackRing2ndAng1*2/3);
2740 rmin = secondSuppBackRing->GetRmin(0) - zloc/TMath::Tan(kSuppBackRing2ndAng1);
2741 secondSuppBackRing->DefineSection(2, zloc, rmin, rmax);
2742
2743 zloc = kSuppBackRingR10*(1 - TMath::Cos(kSuppBackRing2ndAng1));
2744 rmax = secondSuppBackRing->GetRmax(0) - kSuppBackRingR10*TMath::Sin(kSuppBackRing2ndAng1);
2745 rmin = secondSuppBackRing->GetRmin(0) - zloc/TMath::Tan(kSuppBackRing2ndAng1);
2746 secondSuppBackRing->DefineSection(3, zloc, rmin, rmax);
2747
2748 slp1 = TMath::Tan(kSuppBackRing2ndAng2);
2749 slp2 = TMath::Tan(TMath::Pi()/2 + kSuppBackRing2ndAng1);
2750 IntersectLines(-slp1,kSuppBackRingThikAll,deltaR/2,
2751 slp2,kSuppBackRingThikAll,deltaR,
2752 xm, ym);
2753
2754 zloc = xm - kSuppBackRingThick1;
2755 rmin = secondSuppBackRing->GetRmin(0) - zloc/TMath::Tan(kSuppBackRing2ndAng1);
2756 rmax = rmin + deltaR;
2757 secondSuppBackRing->DefineSection(4, zloc, rmin, rmax);
2758
2759 zloc = kSuppBackRingThikAll - kSuppBackRingThick1;
2760 rmin = secondSuppBackRing->GetRmin(0) - zloc/TMath::Tan(kSuppBackRing2ndAng1);
2761 rmax = rmin + deltaR/2;
2762 secondSuppBackRing->DefineSection(5, zloc, rmin, rmax);
2763
2764 // The supporting rod: a Tube
2765 TGeoTube *suppRod = new TGeoTube(0, kBackRodDiameter/2,
2766 (kBackRodLength - kBackRodThickLen)/2);
2767
2768 // The Back Ring (0872/G/C/01): another complex Xtru
2769 TGeoXtru *suppRearRing = new TGeoXtru(2);
2770
2771 // First the external profile...
2772 npoints = 0;
2773
2774 xprof[npoints] = kSuppRearRingTopWide;
2775 yprof[npoints] = kSuppRearRingHeight;
2776 npoints++;
2777
2778 phi = kSuppRearRing1stAng;
2779 slp1 = TMath::Tan(TMath::Pi() - phi);
2780 phi += kSuppRearRingStepAng;
2781 slp2 = TMath::Tan(TMath::Pi() - phi);
2782 xm = kSuppRearRingRext2*TMath::Sin(phi);
2783 ym = kSuppRearRingRext2*TMath::Cos(phi);
2784 IntersectLines(slp1, kSuppRearRingTopWide, kSuppRearRingHeight,
2785 slp2, xm, ym,
2786 xprof[npoints], yprof[npoints]);
2787 npoints++;
2788
2789 slp1 = slp2;
2790 phi += kSuppRearRingStepAng;
2791 slp2 = TMath::Tan(TMath::Pi() - phi);
2792 xm = kSuppRearRingRext1*TMath::Sin(phi);
2793 ym = kSuppRearRingRext1*TMath::Cos(phi);
2794 IntersectLines(slp1, xprof[npoints-1], yprof[npoints-1],
2795 slp2, xm, ym,
2796 xprof[npoints], yprof[npoints]);
2797 npoints++;
2798
2799 slp1 = slp2;
2800 phi += kSuppRearRingStepAng;
2801 slp2 = TMath::Tan(TMath::Pi() - phi);
2802 xm = kSuppRearRingRext2*TMath::Sin(phi);
2803 ym = kSuppRearRingRext2*TMath::Cos(phi);
2804 IntersectLines(slp1, xprof[npoints-1], yprof[npoints-1],
2805 slp2, xm, ym,
2806 xprof[npoints], yprof[npoints]);
2807 npoints++;
2808
2809 slp1 = slp2;
2810 slp2 = 0;
2811 xm = kSuppRearRingBase;
2812 ym = kSuppRearRingBaseHi + kSuppRearRingSideHi;
2813 IntersectLines(slp1, xprof[npoints-1], yprof[npoints-1],
2814 slp2, xm, ym,
2815 xprof[npoints], yprof[npoints]);
2816 npoints++;
2817
2818 xprof[npoints] = kSuppRearRingBase;
2819 yprof[npoints] = kSuppRearRingBaseHi + kSuppRearRingSideHi;
2820 npoints++;
2821 xprof[npoints] = xprof[npoints - 1];
2822 yprof[npoints] = kSuppRearRingBaseHi;
2823 npoints++;
2824 xprof[npoints] = xprof[npoints - 1] - kSuppRearRingInside;
2825 yprof[npoints] = yprof[npoints - 1];
2826 npoints++;
2827 xprof[npoints] = xprof[npoints - 1];
2828 yprof[npoints] = yprof[npoints - 1] + kSuppRearRingInsideHi;
2829 npoints++;
2830 // ...then the internal arc, approximated with segments,...
2831 xprof[npoints] = kSuppRearRingRint;
2832 yprof[npoints] = yprof[npoints - 1];
2833
2834 alphamin = TMath::ASin(kSuppRearRingBaseHi/kSuppRearRingRint);
2835 alphamax = TMath::Pi()/2;
2836
2837 for (Int_t jp = 1; jp < kSuppRearRingNPtsArc; jp++) {
2838 Double_t alpha = alphamin + jp*(alphamax-alphamin)/kSuppRearRingNPtsArc;
2839 xprof[npoints+jp] = kSuppRearRingRint*TMath::Cos(alpha);
2840 yprof[npoints+jp] = kSuppRearRingRint*TMath::Sin(alpha);
2841 }
2842
2843 xprof[npoints+kSuppRearRingNPtsArc] = 0;
2844 yprof[npoints+kSuppRearRingNPtsArc] = kSuppRearRingRint;
2845 // We did the right side! now reflex on the left side
2846 Int_t nTotalPoints = npoints+kSuppRearRingNPtsArc;
2847 for (Int_t jp = 0; jp < nTotalPoints; jp++) {
2848 xprof[nTotalPoints+1+jp] = -xprof[nTotalPoints-1-jp];
2849 yprof[nTotalPoints+1+jp] = yprof[nTotalPoints-1-jp];
2850 }
2851
2852 // And now the actual Xtru
2853 suppRearRing->DefinePolygon(2*nTotalPoints+1, xprof, yprof);
2854 suppRearRing->DefineSection(0,0);
2855 suppRearRing->DefineSection(1,kSuppRearRingThick);
2856
2857
2858 // We have all shapes: now create the real volumes
2859 TGeoMedium *medAl = mgr->GetMedium("ITS_ANTICORODAL$");
2860
2861 TGeoVolume *sideAExtSuppRing = new TGeoVolume("ITSsuppSideAExtSuppRing",
2862 extSuppRing, medAl);
2863
2864 sideAExtSuppRing->SetVisibility(kTRUE);
2865 sideAExtSuppRing->SetLineColor(kMagenta+1);
2866 sideAExtSuppRing->SetLineWidth(1);
2867 sideAExtSuppRing->SetFillColor(sideAExtSuppRing->GetLineColor());
2868 sideAExtSuppRing->SetFillStyle(4000); // 0% transparent
2869
2870 TGeoVolume *sideAIntSuppRing = new TGeoVolume("ITSsuppSideAIntSuppRing",
2871 intSuppRing, medAl);
2872
2873 sideAIntSuppRing->SetVisibility(kTRUE);
2874 sideAIntSuppRing->SetLineColor(kMagenta+1);
2875 sideAIntSuppRing->SetLineWidth(1);
2876 sideAIntSuppRing->SetFillColor(sideAIntSuppRing->GetLineColor());
2877 sideAIntSuppRing->SetFillStyle(4000); // 0% transparent
2878
2879 TGeoVolume *sideASuppCyl = new TGeoVolume("ITSsuppSideASuppCyl",
2880 interCylind, medAl);
2881
2882 sideASuppCyl->SetVisibility(kTRUE);
2883 sideASuppCyl->SetLineColor(kMagenta+1);
2884 sideASuppCyl->SetLineWidth(1);
2885 sideASuppCyl->SetFillColor(sideASuppCyl->GetLineColor());
2886 sideASuppCyl->SetFillStyle(4000); // 0% transparent
2887
2888 TGeoVolume *sideASuppSpacer = new TGeoVolume("ITSsuppSideASuppSpacer",
2889 suppSpacer, medAl);
2890
2891 sideASuppSpacer->SetVisibility(kTRUE);
2892 sideASuppSpacer->SetLineColor(kMagenta+1);
2893 sideASuppSpacer->SetLineWidth(1);
2894 sideASuppSpacer->SetFillColor(sideASuppSpacer->GetLineColor());
2895 sideASuppSpacer->SetFillStyle(4000); // 0% transparent
2896
2897 TGeoVolume *sideASuppForwRing = new TGeoVolume("ITSsuppSideASuppForwRing",
2898 forwardRing, medAl);
2899
2900 sideASuppForwRing->SetVisibility(kTRUE);
2901 sideASuppForwRing->SetLineColor(kMagenta+1);
2902 sideASuppForwRing->SetLineWidth(1);
2903 sideASuppForwRing->SetFillColor(sideASuppForwRing->GetLineColor());
2904 sideASuppForwRing->SetFillStyle(4000); // 0% transparent
2905
2906 TGeoVolume *sideASuppForwCone = new TGeoVolume("ITSsuppSideASuppForwCone",
2907 forwardCone, medAl);
2908
2909 sideASuppForwCone->SetVisibility(kTRUE);
2910 sideASuppForwCone->SetLineColor(kMagenta+1);
2911 sideASuppForwCone->SetLineWidth(1);
2912 sideASuppForwCone->SetFillColor(sideASuppForwCone->GetLineColor());
2913 sideASuppForwCone->SetFillStyle(4000); // 0% transparent
2914
2915 TGeoVolume *sideAFirstSuppBackRing = new TGeoVolume("ITSsuppSideAFirstSuppBackRing",
2916 firstSuppBackRing, medAl);
2917
2918 sideAFirstSuppBackRing->SetVisibility(kTRUE);
2919 sideAFirstSuppBackRing->SetLineColor(kMagenta+1);
2920 sideAFirstSuppBackRing->SetLineWidth(1);
2921 sideAFirstSuppBackRing->SetFillColor(sideAFirstSuppBackRing->GetLineColor());
2922 sideAFirstSuppBackRing->SetFillStyle(4000); // 0% transparent
2923
2924 TGeoVolume *sideASecondSuppBackRing = new TGeoVolume("ITSsuppSideASecondSuppBackRing",
2925 secondSuppBackRing, medAl);
2926
2927 sideASecondSuppBackRing->SetVisibility(kTRUE);
2928 sideASecondSuppBackRing->SetLineColor(kMagenta+1);
2929 sideASecondSuppBackRing->SetLineWidth(1);
2930 sideASecondSuppBackRing->SetFillColor(sideASecondSuppBackRing->GetLineColor());
2931 sideASecondSuppBackRing->SetFillStyle(4000); // 0% transparent
2932
2933 TGeoVolume *sideASuppRod = new TGeoVolume("ITSsuppSideASuppRod",
2934 suppRod, medAl);
2935
2936 sideASuppRod->SetVisibility(kTRUE);
2937 sideASuppRod->SetLineColor(kMagenta+1);
2938 sideASuppRod->SetLineWidth(1);
2939 sideASuppRod->SetFillColor(sideASuppRod->GetLineColor());
2940 sideASuppRod->SetFillStyle(4000); // 0% transparent
2941
2942 TGeoVolume *sideASuppRearRing = new TGeoVolume("ITSsuppSideASuppRearRing",
2943 suppRearRing, medAl);
2944
2945 sideASuppRearRing->SetVisibility(kTRUE);
2946 sideASuppRearRing->SetLineColor(kMagenta+1);
2947 sideASuppRearRing->SetLineWidth(1);
2948 sideASuppRearRing->SetFillColor(sideASuppRearRing->GetLineColor());
2949 sideASuppRearRing->SetFillStyle(4000); // 0% transparent
2950
2951
2952 // Now build up the support structure
2953 zloc = kSuppRingZTrans;
2954 trayASuppStruct->AddNode(sideAExtSuppRing, 1,
2955 new TGeoTranslation(0, 0, zloc) );
2956 trayASuppStruct->AddNode(sideAExtSuppRing, 2,
2957 new TGeoCombiTrans( 0, 0, zloc,
2958 new TGeoRotation("",180,0,0)));
2959
2960 zloc += kExtSuppRingThick;
2961 trayASuppStruct->AddNode(sideAIntSuppRing, 1,
2962 new TGeoTranslation(0, 0, zloc) );
2963 trayASuppStruct->AddNode(sideAIntSuppRing, 2,
2964 new TGeoCombiTrans( 0, 0, zloc,
2965 new TGeoRotation("",180,0,0)));
2966
2967 xloc = kExtSuppRingBase - kIntSuppRingInward;
2968 yloc = kSuppRingYTrans;
2969 zloc += (kIntSuppRingThick + kSuppCylHeight/2);
2970 trayASuppStruct->AddNode(sideASuppCyl, 1,
2971 new TGeoTranslation(0, 0, zloc) );
2972 trayASuppStruct->AddNode(sideASuppCyl, 2,
2973 new TGeoCombiTrans( 0, 0, zloc,
2974 new TGeoRotation("",180,0,0)));
2975 trayASuppStruct->AddNode(sideASuppSpacer, 1,
2976 new TGeoCombiTrans( xloc, yloc, zloc,
2977 new TGeoRotation("",90+kSuppSpacerAngle,0,0)));
2978 trayASuppStruct->AddNode(sideASuppSpacer, 2,
2979 new TGeoCombiTrans(-xloc, yloc, zloc,
2980 new TGeoRotation("",0,180,kSuppSpacerAngle-90)));
2981 trayASuppStruct->AddNode(sideASuppSpacer, 3,
2982 new TGeoCombiTrans( xloc,-yloc, zloc,
2983 new TGeoRotation("",180,180,kSuppSpacerAngle-90)));
2984 trayASuppStruct->AddNode(sideASuppSpacer, 4,
2985 new TGeoCombiTrans(-xloc,-yloc, zloc,
2986 new TGeoRotation("",270+kSuppSpacerAngle,0,0)));
2987
2988
2989 zloc += kSuppCylHeight/2;
2990 trayASuppStruct->AddNode(sideAIntSuppRing, 3,
2991 new TGeoTranslation(0, 0, zloc) );
2992 trayASuppStruct->AddNode(sideAIntSuppRing, 4,
2993 new TGeoCombiTrans( 0, 0, zloc,
2994 new TGeoRotation("",180,0,0)));
2995
2996 zloc += kIntSuppRingThick;
2997 trayASuppStruct->AddNode(sideAExtSuppRing, 3,
2998 new TGeoTranslation(0, 0, zloc) );
2999 trayASuppStruct->AddNode(sideAExtSuppRing, 4,
3000 new TGeoCombiTrans( 0, 0, zloc,
3001 new TGeoRotation("",180,0,0)));
3002
3003 zloc += kExtSuppRingThick;
3004 trayASuppStruct->AddNode(sideASuppForwRing, 1,
3005 new TGeoTranslation(0, 0, zloc) );
3006 trayASuppStruct->AddNode(sideASuppForwRing, 2,
3007 new TGeoCombiTrans( 0, 0, zloc,
3008 new TGeoRotation("",180,0,0)));
3009
3010 zloc += kSuppForwRingThikAll;
3011 trayASuppStruct->AddNode(sideASuppForwCone, 1,
3012 new TGeoTranslation(0, 0, zloc) );
3013 trayASuppStruct->AddNode(sideASuppForwCone, 2,
3014 new TGeoCombiTrans( 0, 0, zloc,
3015 new TGeoRotation("",180,0,0)));
3016
3017 zloc += (kSuppForwConeLen1+kSuppForwConeLen2);
3018 trayASuppStruct->AddNode(sideAFirstSuppBackRing, 1,
3019 new TGeoTranslation(0, 0, zloc) );
3020 trayASuppStruct->AddNode(sideAFirstSuppBackRing, 2,
3021 new TGeoCombiTrans( 0, 0, zloc,
3022 new TGeoRotation("",180,0,0)));
3023
3024 zloc += kSuppBackRingThick1;
3025 trayASuppStruct->AddNode(sideASecondSuppBackRing, 1,
3026 new TGeoTranslation(0, 0, zloc) );
3027 trayASuppStruct->AddNode(sideASecondSuppBackRing, 2,
3028 new TGeoCombiTrans( 0, 0, zloc,
3029 new TGeoRotation("",180,0,0)));
3030
3031 xloc = kSuppRearRingXRodHole;
3032 yloc = kSuppRearRingBaseHi + kSuppRearRingYRodHole;
3033 zloc = kRearSuppZTransGlob - kBackRodZTrans + suppRod->GetDz();
3034 trayASuppStruct->AddNode(sideASuppRod, 1,
3035 new TGeoTranslation( xloc, yloc, zloc) );
3036 trayASuppStruct->AddNode(sideASuppRod, 2,
3037 new TGeoTranslation(-xloc, yloc, zloc) );
3038 trayASuppStruct->AddNode(sideASuppRod, 3,
3039 new TGeoTranslation( xloc,-yloc, zloc) );
3040 trayASuppStruct->AddNode(sideASuppRod, 4,
3041 new TGeoTranslation(-xloc,-yloc, zloc) );
3042
3043 zloc += suppRod->GetDz();
3044 trayASuppStruct->AddNode(sideASuppRearRing, 1,
3045 new TGeoTranslation( 0, 0, zloc) );
3046 trayASuppStruct->AddNode(sideASuppRearRing, 2,
3047 new TGeoCombiTrans( 0, 0, zloc,
3048 new TGeoRotation("",180,0,0)));
3049
3050
3051 // Finally put everything in the mother volume
3052 moth->AddNode(trayASuppStruct,1,0);
3053
3054 return;
3055}
3056
3057//______________________________________________________________________
3058void AliITSv11GeometrySupport::ServicesCableSupportSPD(TGeoVolume *moth,
3059 TGeoManager *mgr){
3060//
3061// Creates the all SPD cable trays which are outside the ITS support cones
3062// but still inside the TPC
3063// In order to avoid a huge monolithic routine, this method actually
3064// calls inner methods to create and assemble the various (macro)pieces
3065//
3066// Input:
3067// moth : the TGeoVolume owing the volume structure
3068// mgr : the GeoManager (default gGeoManager)
3069// Output:
3070//
3071// Created: ??? Bjorn S. Nilsen
3072// Updated: 15 Nov 2009 Mario Sitta
3073//
3074// Technical data are taken from AutoCAD drawings and other (oral)
3075// information given by F.Tosello
3076//
3077
3078 SPDCableTraysSideA(moth, mgr);
3079// SPDCableTraysSideC(moth, mgr);
3080
3081}
3082
3083//______________________________________________________________________
3084void AliITSv11GeometrySupport::ServicesCableSupportSDD(TGeoVolume *moth,
3085 TGeoManager *mgr){
3086//
3087// Creates the all SDD cable trays which are outside the ITS support cones
3088// but still inside the TPC
3089// In order to avoid a huge monolithic routine, this method actually
3090// calls inner methods to create and assemble the various (macro)pieces
3091//
3092// Input:
3093// moth : the TGeoVolume owing the volume structure
3094// mgr : the GeoManager (default gGeoManager)
3095// Output:
3096//
3097// Created: 14 Dec 2009 Mario Sitta
3098//
3099
3100 SDDCableTraysSideA(moth, mgr);
3101// SDDCableTraysSideC(moth, mgr);
3102
3103 return;
3104}
3105
3106//______________________________________________________________________
3107void AliITSv11GeometrySupport::ServicesCableSupportSSD(TGeoVolume *moth,
3108 TGeoManager *mgr){
3109//
3110// Creates the SSD cable trays which are outside the ITS support cones
3111// but still inside the TPC
3112// In order to avoid a huge monolithic routine, this method actually
3113// calls inner methods to create and assemble the various (macro)pieces
3114//
3115// Input:
3116// moth : the TGeoVolume owing the volume structure
3117// mgr : the GeoManager (default gGeoManager)
3118// Output:
3119//
3120// Created: 15 Nov 2009 Mario Sitta
3121//
3122
3123 SSDCableTraysSideA(moth, mgr);
3124// SSDCableTraysSideC(moth, mgr);
3125
3126 return;
3127}
3128
3129//______________________________________________________________________
3130void AliITSv11GeometrySupport::SPDCableTraysSideA(TGeoVolume *moth,
3131 TGeoManager *mgr){
3132//
3133// Creates the SPD cable trays which are outside the ITS support cones
3134// but still inside the TPC on Side A
3135// (part of this code is taken or anyway inspired to ServicesCableSupport
3136// method of AliITSv11GeometrySupport.cxx,v 1.9 2007/06/06)
3137//
3138// Input:
3139// moth : the TGeoVolume owing the volume structure
3140// mgr : the GeoManager (default gGeoManager)
3141// Output:
3142//
3143// Created: 15 Feb 2010 Mario Sitta
3144//
3145// Technical data are taken from AutoCAD drawings, L.Simonetti technical
3146// drawings and other (oral) information given by F.Tosello and D.Elia
3147// (small differences with blueprints - e.g. -0.07mm in R1Trans and
3148// R2Trans - fix small overlaps; they are then compensated in positioning
3149// the Rear Tray to avoid its own overlaps with the rear supporting ring)
3150// Optical cables and low voltage cables are approximated with mean
3151// materials and square cross sections, but preserving the total material
3152// budget.
3153//
3154
3155 // Overall position and rotation of the A-Side Cable Trays
3156 // (parts of 0872/G/D)
3157 const Double_t kTrayAR1Trans = 396.93 *fgkmm;
3158 const Double_t kTrayAR2Trans = 413.93 *fgkmm;
3159 const Double_t kTrayAZTrans = 1011.00 *fgkmm;
3160 const Double_t kTrayAZRot = (180-169.5);// Degrees
3161 const Double_t kTrayAFirstRotAng = 22.00; // Degrees
3162 const Double_t kTrayASecondRotAng = 15.00; // Degrees
3163
3164 const Double_t kForwardTrayWide = 94.00 *fgkmm;//!!!TO BE CHECKED!!!
3165 const Double_t kForwardTrayFirstHigh = 83.00 *fgkmm;//!!!TO BE CHECKED!!!
3166 const Double_t kForwardTraySecondHigh = 52.70 *fgkmm;//!!!TO BE CHECKED!!!
3167 const Double_t kForwardTrayTotalLen = 853.00 *fgkmm;
3168 const Double_t kForwardTrayFirstLen = 435.00 *fgkmm;
3169 const Double_t kForwardTrayWingWide = 16.00 *fgkmm;//!!!TO BE CHECKED!!!
3170 const Double_t kForwardTrayInterSpace = 18.00 *fgkmm;//!!!TO BE CHECKED!!!
3171 const Double_t kForwardTrayThick = 2.00 *fgkmm;
3172
3173 const Int_t kForwardSideNpoints = 6;
3174
3175 const Double_t kExternalTrayLen = 1200.00 *fgkmm;
3176 const Double_t kExternalTrayWide = kForwardTrayWide;
3177 const Double_t kExternalTrayHigh = kForwardTraySecondHigh;
3178 const Double_t kExternalTrayThick = kForwardTrayThick;
3179
3180 const Double_t kCoolingTubeRmin = 5.00 *fgkmm;
3181 const Double_t kCoolingTubeRmax = 6.00 *fgkmm;
3182
3183 const Double_t kOpticalFibersSect = 8.696*fgkmm;//!!!ESTIMATED!!!
3184 const Double_t kLowVoltageCableSect = 3.412*fgkmm;//!!!ESTIMATED!!!
3185
3186 // Local variables
3187 Double_t xprof[kForwardSideNpoints], yprof[kForwardSideNpoints];
3188 Double_t xloc, yloc, zloc, alpharot;
3189
3190
3191 // The two tray components as assemblies
3192 TGeoVolumeAssembly *cableTrayAForw =
3193 new TGeoVolumeAssembly("ITSsupportSPDTrayAForwRear");
3194 TGeoVolumeAssembly *cableTrayAExt =
3195 new TGeoVolumeAssembly("ITSsupportSPDTrayAExt");
3196
3197
3198 // First create all needed shapes
3199
3200 // The lower face of the forward tray: a BBox
3201 TGeoBBox *forwTrayLowerFace = new TGeoBBox(kForwardTrayWide/2,
3202 kForwardTrayThick/2,
3203 kForwardTrayTotalLen/2);
3204
3205 // The side face of the forward tray: a Xtru
3206 TGeoXtru *forwTraySideFace = new TGeoXtru(2);
3207 forwTraySideFace->SetName("ITSsuppSPDForwTraySide");
3208
3209 xprof[0] = 0;
3210 yprof[0] = kForwardTrayThick;
3211 xprof[1] = kForwardTrayTotalLen;
3212 yprof[1] = yprof[0];
3213 xprof[2] = xprof[1];
3214 yprof[2] = kForwardTraySecondHigh - kForwardTrayThick;
3215 xprof[3] = kForwardTrayFirstLen;
3216 yprof[3] = yprof[2];
3217 xprof[4] = xprof[3];
3218 yprof[4] = kForwardTrayFirstHigh - kForwardTrayThick;
3219 xprof[5] = xprof[0];
3220 yprof[5] = yprof[4];
3221
3222 forwTraySideFace->DefinePolygon(6, xprof, yprof);
3223 forwTraySideFace->DefineSection(0, 0);
3224 forwTraySideFace->DefineSection(1, kForwardTrayThick);
3225
3226 // The covers of the forward tray: two BBox's
3227 TGeoBBox *forwTrayShortCover = new TGeoBBox(kForwardTrayWide/2,
3228 kForwardTrayThick/2,
3229 kForwardTrayFirstLen/2);
3230
3231 TGeoBBox *forwTrayLongCover = new TGeoBBox(kForwardTrayWide/2,
3232 kForwardTrayThick/2,
3233 (kForwardTrayTotalLen - kForwardTrayFirstLen)/2);
3234
3235 // Each small wing of the forward tray: a BBox
3236 TGeoBBox *forwTrayWing = new TGeoBBox(kForwardTrayWingWide/2,
3237 (kForwardTrayFirstHigh-kForwardTraySecondHigh)/2,
3238 kForwardTrayThick/2);
3239
3240 // The internal plane of the forward tray: a BBox
3241 TGeoBBox *forwTrayPlane = new TGeoBBox(kForwardTrayWide/2-kForwardTrayThick,
3242 kForwardTrayThick/2,
3243 kForwardTrayTotalLen/2);
3244
3245 // The internal wall of the forward tray: a BBox
3246 TGeoBBox *forwTrayWall = new TGeoBBox(kForwardTrayThick/2,
3247 (kForwardTrayInterSpace-kForwardTrayThick)/2,
3248 kForwardTrayTotalLen/2);
3249
3250 // Each horizontal face of the external tray: a BBox
3251 TGeoBBox *extTrayHorFace = new TGeoBBox(kExternalTrayWide/2-kExternalTrayThick,
3252 kExternalTrayThick/2,
3253 kExternalTrayLen/2);
3254
3255 // Each vertical face of the external tray: a BBox
3256 TGeoBBox *extTrayVerFace = new TGeoBBox(kExternalTrayThick/2,
3257 kExternalTrayHigh/2,
3258 kExternalTrayLen/2);
3259
3260 // The internal wall of the external tray: a BBox
3261 TGeoBBox *extTrayWall = new TGeoBBox(kExternalTrayThick/2,
3262 (kForwardTrayInterSpace-kExternalTrayThick)/2,
3263 kExternalTrayLen/2);
3264
3265 // The cooling tube inside the forward tray: a TubeSeg
3266 Double_t zelong = (kForwardTraySecondHigh - 2*kForwardTrayThick
3267 - 2*forwTrayWall->GetDY() - kCoolingTubeRmax)*SinD(kTrayAZRot);
3268 Double_t zlen = (zelong + kForwardTrayTotalLen)/2;
3269 TGeoTubeSeg *coolTubeForw = new TGeoTubeSeg(kCoolingTubeRmin,
3270 kCoolingTubeRmax, zlen, 0, 360);
3271
3272 // The cooling tube inside the external tray: a Ctub
3273 TGeoCtub *coolTubeExt = new TGeoCtub(kCoolingTubeRmin, kCoolingTubeRmax,
3274 kExternalTrayLen/2, 0, 360,
3275 0, SinD(kTrayAZRot),-CosD(kTrayAZRot),
3276 0, 0, 1);
3277
3278 // The optical fibers inside the forward tray: a BBox
3279 TGeoBBox *optFibsForw = new TGeoBBox(kOpticalFibersSect/2,
3280 kOpticalFibersSect/2,
3281 kForwardTrayTotalLen/2);
3282
3283 // The optical fibers inside the external tray: a Xtru
3284 TGeoXtru *optFibsExt = new TGeoXtru(2);
3285 optFibsExt->SetName("ITSsuppSPDExtTrayOptFibs");
3286
3287 yprof[0] = -kExternalTrayHigh + 2*kExternalTrayThick
3288 + 2*forwTrayWall->GetDY();
3289 xprof[0] = yprof[0]*TanD(kTrayAZRot);
3290 xprof[1] = kExternalTrayLen;
3291 yprof[1] = yprof[0];
3292 xprof[2] = xprof[1];
3293 yprof[2] = yprof[1] + kOpticalFibersSect;
3294 yprof[3] = yprof[2];
3295 xprof[3] = yprof[2]*TanD(kTrayAZRot);
3296
3297 optFibsExt->DefinePolygon(4, xprof, yprof);
3298 optFibsExt->DefineSection(0, 0);
3299 optFibsExt->DefineSection(1, kOpticalFibersSect);
3300
3301 // The Low Voltage cables inside the forward tray: a BBox
3302 TGeoBBox *lowCablesForw = new TGeoBBox(kLowVoltageCableSect/2,
3303 kLowVoltageCableSect/2,
3304 kForwardTrayTotalLen/2);
3305
3306 // The Low Voltage inside the external tray: a Xtru
3307 TGeoXtru *lowCablesExt = new TGeoXtru(2);
3308 lowCablesExt->SetName("ITSsuppSPDExtTrayLowVoltage");
3309
3310 yprof[0] = -kExternalTrayHigh + 2*kExternalTrayThick
3311 + 2*forwTrayWall->GetDY();
3312 xprof[0] = yprof[0]*TanD(kTrayAZRot);
3313 xprof[1] = kExternalTrayLen;
3314 yprof[1] = yprof[0];
3315 xprof[2] = xprof[1];
3316 yprof[2] = yprof[1] + kLowVoltageCableSect;
3317 yprof[3] = yprof[2];
3318 xprof[3] = yprof[2]*TanD(kTrayAZRot);
3319
3320 lowCablesExt->DefinePolygon(4, xprof, yprof);
3321 lowCablesExt->DefineSection(0, 0);
3322 lowCablesExt->DefineSection(1, kLowVoltageCableSect);
3323
3324
3325 // We have all shapes: now create the real volumes
3326 TGeoMedium *medAl = mgr->GetMedium("ITS_ALUMINUM$");
3327 TGeoMedium *medIn = mgr->GetMedium("ITS_INOX$");
3328 TGeoMedium *medFibs = mgr->GetMedium("ITS_SDD OPTICFIB$");//!!TO BE CHECKED!!
3329 TGeoMedium *medLVC = mgr->GetMedium("ITS_SPD_LOWCABLES$");
3330
3331 TGeoVolume *forwTrayABase = new TGeoVolume("ITSsuppSPDSideAForwTrayABase",
3332 forwTrayLowerFace, medAl);
3333
3334 forwTrayABase->SetVisibility(kTRUE);
3335 forwTrayABase->SetLineColor(6); // Purple
3336 forwTrayABase->SetLineWidth(1);
3337 forwTrayABase->SetFillColor(forwTrayABase->GetLineColor());
3338 forwTrayABase->SetFillStyle(4000); // 0% transparent
3339
3340 TGeoVolume *forwTrayASide = new TGeoVolume("ITSsuppSPDSideAForwTrayASide",
3341 forwTraySideFace, medAl);
3342
3343 forwTrayASide->SetVisibility(kTRUE);
3344 forwTrayASide->SetLineColor(6); // Purple
3345 forwTrayASide->SetLineWidth(1);
3346 forwTrayASide->SetFillColor(forwTrayASide->GetLineColor());
3347 forwTrayASide->SetFillStyle(4000); // 0% transparent
3348
3349 TGeoVolume *forwTrayACoverShort = new TGeoVolume("ITSsuppSPDSideAForwTrayASC",
3350 forwTrayShortCover, medAl);
3351
3352 forwTrayACoverShort->SetVisibility(kTRUE);
3353 forwTrayACoverShort->SetLineColor(6); // Purple
3354 forwTrayACoverShort->SetLineWidth(1);
3355 forwTrayACoverShort->SetFillColor(forwTrayACoverShort->GetLineColor());
3356 forwTrayACoverShort->SetFillStyle(4000); // 0% transparent
3357
3358 TGeoVolume *forwTrayACoverLong = new TGeoVolume("ITSsuppSPDSideAForwTrayALC",
3359 forwTrayLongCover, medAl);
3360
3361 forwTrayACoverLong->SetVisibility(kTRUE);
3362 forwTrayACoverLong->SetLineColor(6); // Purple
3363 forwTrayACoverLong->SetLineWidth(1);
3364 forwTrayACoverLong->SetFillColor(forwTrayACoverLong->GetLineColor());
3365 forwTrayACoverLong->SetFillStyle(4000); // 0% transparent
3366
3367 TGeoVolume *forwTrayAWing = new TGeoVolume("ITSsuppSPDSideAForwTrayAWing",
3368 forwTrayWing, medAl);
3369
3370 forwTrayAWing->SetVisibility(kTRUE);
3371 forwTrayAWing->SetLineColor(6); // Purple
3372 forwTrayAWing->SetLineWidth(1);
3373 forwTrayAWing->SetFillColor(forwTrayAWing->GetLineColor());
3374 forwTrayAWing->SetFillStyle(4000); // 0% transparent
3375
3376 TGeoVolume *forwTrayAPlane = new TGeoVolume("ITSsuppSPDSideAForwTrayAPlane",
3377 forwTrayPlane, medAl);
3378
3379 forwTrayAPlane->SetVisibility(kTRUE);
3380 forwTrayAPlane->SetLineColor(6); // Purple
3381 forwTrayAPlane->SetLineWidth(1);
3382 forwTrayAPlane->SetFillColor(forwTrayAPlane->GetLineColor());
3383 forwTrayAPlane->SetFillStyle(4000); // 0% transparent
3384
3385 TGeoVolume *forwTrayAWall = new TGeoVolume("ITSsuppSPDSideAForwTrayAWall",
3386 forwTrayWall, medAl);
3387
3388 forwTrayAWall->SetVisibility(kTRUE);
3389 forwTrayAWall->SetLineColor(6); // Purple
3390 forwTrayAWall->SetLineWidth(1);
3391 forwTrayAWall->SetFillColor(forwTrayAWall->GetLineColor());
3392 forwTrayAWall->SetFillStyle(4000); // 0% transparent
3393
3394 TGeoVolume *extTrayAHorFace = new TGeoVolume("ITSsuppSPDSideAExtTrayHorFace",
3395 extTrayHorFace, medAl);
3396
3397 extTrayAHorFace->SetVisibility(kTRUE);
3398 extTrayAHorFace->SetLineColor(6); // Purple
3399 extTrayAHorFace->SetLineWidth(1);
3400 extTrayAHorFace->SetFillColor(extTrayAHorFace->GetLineColor());
3401 extTrayAHorFace->SetFillStyle(4000); // 0% transparent
3402
3403 TGeoVolume *extTrayAVerFace = new TGeoVolume("ITSsuppSPDSideAExtTrayVerFace",
3404 extTrayVerFace, medAl);
3405
3406 extTrayAVerFace->SetVisibility(kTRUE);
3407 extTrayAVerFace->SetLineColor(6); // Purple
3408 extTrayAVerFace->SetLineWidth(1);
3409 extTrayAVerFace->SetFillColor(extTrayAVerFace->GetLineColor());
3410 extTrayAVerFace->SetFillStyle(4000); // 0% transparent
3411
3412 TGeoVolume *extTrayAWall = new TGeoVolume("ITSsuppSPDSideAExtTrayWall",
3413 extTrayWall, medAl);
3414
3415 extTrayAWall->SetVisibility(kTRUE);
3416 extTrayAWall->SetLineColor(6); // Purple
3417 extTrayAWall->SetLineWidth(1);
3418 extTrayAWall->SetFillColor(extTrayAWall->GetLineColor());
3419 extTrayAWall->SetFillStyle(4000); // 0% transparent
3420
3421 TGeoVolume *forwCoolTube = new TGeoVolume("ITSsuppSPDSideAForwTrayCoolTube",
3422 coolTubeForw, medIn);
3423
3424 forwCoolTube->SetVisibility(kTRUE);
3425 forwCoolTube->SetLineColor(kGray); // as in GeometrySPD
3426 forwCoolTube->SetLineWidth(1);
3427 forwCoolTube->SetFillColor(forwCoolTube->GetLineColor());
3428 forwCoolTube->SetFillStyle(4000); // 0% transparent
3429
3430 TGeoVolume *extCoolTube = new TGeoVolume("ITSsuppSPDSideAExtTrayCoolTube",
3431 coolTubeExt, medIn);
3432
3433 extCoolTube->SetVisibility(kTRUE);
3434 extCoolTube->SetLineColor(kGray); // as in GeometrySPD
3435 extCoolTube->SetLineWidth(1);
3436 extCoolTube->SetFillColor(extCoolTube->GetLineColor());
3437 extCoolTube->SetFillStyle(4000); // 0% transparent
3438
3439 TGeoVolume *forwOptFibs = new TGeoVolume("ITSsuppSPDSideAForwTrayOptFibs",
3440 optFibsForw, medFibs);
3441
3442 forwOptFibs->SetVisibility(kTRUE);
3443 forwOptFibs->SetLineColor(kOrange); // Orange
3444 forwOptFibs->SetLineWidth(1);
3445 forwOptFibs->SetFillColor(forwOptFibs->GetLineColor());
3446 forwOptFibs->SetFillStyle(4000); // 0% transparent
3447
3448 TGeoVolume *extOptFibs = new TGeoVolume("ITSsuppSPDSideAExtTrayOptFibs",
3449 optFibsExt, medFibs);
3450
3451 extOptFibs->SetVisibility(kTRUE);
3452 extOptFibs->SetLineColor(kOrange); // Orange
3453 extOptFibs->SetLineWidth(1);
3454 extOptFibs->SetFillColor(extOptFibs->GetLineColor());
3455 extOptFibs->SetFillStyle(4000); // 0% transparent
3456
3457 TGeoVolume *forwLowCabs = new TGeoVolume("ITSsuppSPDSideAForwTrayLowCabs",
3458 lowCablesForw, medLVC);
3459
3460 forwLowCabs->SetVisibility(kTRUE);
3461 forwLowCabs->SetLineColor(kRed); // Red
3462 forwLowCabs->SetLineWidth(1);
3463 forwLowCabs->SetFillColor(forwLowCabs->GetLineColor());
3464 forwLowCabs->SetFillStyle(4000); // 0% transparent
3465
3466 TGeoVolume *extLowCabs = new TGeoVolume("ITSsuppSPDSideAExtTrayLowCabs",
3467 lowCablesExt, medLVC);
3468
3469 extLowCabs->SetVisibility(kTRUE);
3470 extLowCabs->SetLineColor(kRed); // Red
3471 extLowCabs->SetLineWidth(1);
3472 extLowCabs->SetFillColor(extLowCabs->GetLineColor());
3473 extLowCabs->SetFillStyle(4000); // 0% transparent
3474
3475
3476 // Now build up the trays
3477 yloc = forwTrayLowerFace->GetDY();
3478 zloc = forwTrayLowerFace->GetDZ();
3479 cableTrayAForw->AddNode(forwTrayABase, 1,
3480 new TGeoTranslation(0, yloc, zloc));
3481
3482 xloc = kForwardTrayWide/2;
3483 cableTrayAForw->AddNode(forwTrayASide, 1,
3484 new TGeoCombiTrans( xloc, 0, 0,
3485 new TGeoRotation("",90,-90,-90)));
3486 cableTrayAForw->AddNode(forwTrayASide, 2,
3487 new TGeoCombiTrans(-xloc+kForwardTrayThick, 0, 0,
3488 new TGeoRotation("",90,-90,-90)));
3489
3490 yloc = kForwardTrayFirstHigh - forwTrayShortCover->GetDY();
3491 zloc = forwTrayShortCover->GetDZ();
3492 cableTrayAForw->AddNode(forwTrayACoverShort, 1,
3493 new TGeoTranslation(0, yloc, zloc));
3494
3495 yloc = kForwardTraySecondHigh - forwTrayLongCover->GetDY();
3496 zloc = kForwardTrayFirstLen + forwTrayLongCover->GetDZ();
3497 cableTrayAForw->AddNode(forwTrayACoverLong, 1,
3498 new TGeoTranslation(0, yloc, zloc));
3499
3500 xloc = kForwardTrayWide/2 - kForwardTrayThick - forwTrayWing->GetDX();
3501 yloc = kForwardTrayFirstHigh - kForwardTrayThick - forwTrayWing->GetDY();
3502 zloc = kForwardTrayFirstLen - forwTrayWing->GetDZ();
3503 cableTrayAForw->AddNode(forwTrayAWing, 1,
3504 new TGeoTranslation( xloc, yloc, zloc));
3505 cableTrayAForw->AddNode(forwTrayAWing, 2,
3506 new TGeoTranslation(-xloc, yloc, zloc));
3507
3508 yloc = kForwardTrayThick + kForwardTrayInterSpace - forwTrayPlane->GetDY();
3509 zloc = forwTrayPlane->GetDZ();
3510 cableTrayAForw->AddNode(forwTrayAPlane, 1,
3511 new TGeoTranslation(0, yloc, zloc));
3512
3513 yloc = kForwardTrayThick + forwTrayWall->GetDY();
3514 zloc = forwTrayWall->GetDZ();
3515 cableTrayAForw->AddNode(forwTrayAWall, 1,
3516 new TGeoTranslation(0, yloc, zloc));
3517
3518 yloc = 2*kForwardTrayThick + 2*forwTrayWall->GetDY()
3519 + coolTubeForw->GetRmax();
3520 zloc = coolTubeForw->GetDz();
3521 cableTrayAForw->AddNode(forwCoolTube, 1,
3522 new TGeoTranslation(0, yloc, zloc));
3523
3524 xloc = optFibsForw->GetDX() + coolTubeForw->GetRmax();
3525 yloc = 2*kForwardTrayThick + 2*forwTrayWall->GetDY() + optFibsForw->GetDY();
3526 zloc = optFibsForw->GetDZ();
3527 cableTrayAForw->AddNode(forwOptFibs, 1,
3528 new TGeoTranslation(xloc, yloc, zloc));
3529
3530 xloc = lowCablesForw->GetDX() + coolTubeForw->GetRmax();
3531 yloc = 2*kForwardTrayThick + 2*forwTrayWall->GetDY() +lowCablesForw->GetDY();
3532 zloc = lowCablesForw->GetDZ();
3533 cableTrayAForw->AddNode(forwLowCabs, 1,
3534 new TGeoTranslation(-xloc, yloc, zloc));
3535
3536 // To simplify following placement in MARS, origin is on top
3537 yloc = -kExternalTrayHigh + kExternalTrayThick/2;
3538 zloc = kExternalTrayLen/2;
3539 cableTrayAExt->AddNode(extTrayAHorFace, 1,
3540 new TGeoTranslation( 0, yloc, zloc));
3541
3542 xloc = kExternalTrayWide/2 - kExternalTrayThick/2;
3543 yloc = -kExternalTrayHigh/2;
3544 cableTrayAExt->AddNode(extTrayAVerFace, 1,
3545 new TGeoTranslation( xloc, yloc, zloc));
3546 cableTrayAExt->AddNode(extTrayAVerFace, 2,
3547 new TGeoTranslation(-xloc, yloc, zloc));
3548
3549 yloc = -kExternalTrayThick/2;
3550 cableTrayAExt->AddNode(extTrayAHorFace, 2,
3551 new TGeoTranslation( 0, yloc, zloc));
3552
3553 yloc = -kExternalTrayHigh
3554 + kExternalTrayThick + kForwardTrayInterSpace - kExternalTrayThick/2;
3555 cableTrayAExt->AddNode(extTrayAHorFace, 3,
3556 new TGeoTranslation( 0, yloc, zloc));
3557
3558 yloc = -kExternalTrayHigh + kExternalTrayThick + extTrayWall->GetDY();
3559 cableTrayAExt->AddNode(extTrayAWall, 1,
3560 new TGeoTranslation( 0, yloc, zloc));
3561
3562 yloc = -kExternalTrayHigh + 2*kExternalTrayThick + 2*extTrayWall->GetDY()
3563 + coolTubeExt->GetRmax();
3564 zloc = coolTubeExt->GetDz();
3565 cableTrayAExt->AddNode(extCoolTube, 1,
3566 new TGeoTranslation(0, yloc, zloc));
3567
3568 xloc = kOpticalFibersSect + coolTubeExt->GetRmax();
3569 cableTrayAExt->AddNode(extOptFibs, 1,
3570 new TGeoCombiTrans( xloc, 0, 0,
3571 new TGeoRotation("",90,-90,-90)));
3572
3573 xloc = kLowVoltageCableSect + coolTubeExt->GetRmax();
3574 cableTrayAExt->AddNode(extLowCabs, 1,
3575 new TGeoCombiTrans(-xloc, 0, 0,
3576 new TGeoRotation("",90,-90,-90)));
3577
3578
3579 // Finally put everything in the mother volume
3580 Double_t rExtTray = kTrayAR2Trans + kExternalTrayHigh;
3581
3582 moth->AddNode(cableTrayAForw,1,
3583 new TGeoTranslation( 0, kTrayAR1Trans, kTrayAZTrans));
3584 moth->AddNode(cableTrayAForw,2,
3585 new TGeoCombiTrans( 0,-kTrayAR1Trans, kTrayAZTrans,
3586 new TGeoRotation("",180, 0, 0)));
3587
3588 yloc = kTrayAR1Trans + kExternalTrayHigh;
3589 zloc = kTrayAZTrans + kForwardTrayTotalLen;
3590 moth->AddNode(cableTrayAExt,1,
3591 new TGeoCombiTrans( 0, yloc, zloc,
3592 new TGeoRotation("", 0,-kTrayAZRot, 0)));
3593 moth->AddNode(cableTrayAExt,2,
3594 new TGeoCombiTrans( 0,-yloc, zloc,
3595 new TGeoRotation("",180,-kTrayAZRot, 0)));
3596
3597 alpharot = kTrayAFirstRotAng + kTrayASecondRotAng;
3598 xloc = kTrayAR2Trans*SinD(alpharot);
3599 yloc = kTrayAR2Trans*CosD(alpharot);
3600 moth->AddNode(cableTrayAForw,3,
3601 new TGeoCombiTrans( xloc, yloc, kTrayAZTrans,
3602 new TGeoRotation("",-alpharot,0,0) ) );
3603 xloc = rExtTray*SinD(alpharot);
3604 yloc = rExtTray*CosD(alpharot);
3605 moth->AddNode(cableTrayAExt,3,
3606 new TGeoCombiTrans( xloc, yloc, zloc,
3607 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
3608
3609 alpharot += 180;
3610 xloc = kTrayAR2Trans*SinD(alpharot);
3611 yloc = kTrayAR2Trans*CosD(alpharot);
3612 moth->AddNode(cableTrayAForw,4,
3613 new TGeoCombiTrans( xloc, yloc, kTrayAZTrans,
3614 new TGeoRotation("",-alpharot,0,0) ) );
3615 xloc = rExtTray*SinD(alpharot);
3616 yloc = rExtTray*CosD(alpharot);
3617 moth->AddNode(cableTrayAExt,4,
3618 new TGeoCombiTrans( xloc, yloc, zloc,
3619 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
3620
3621 alpharot = - kTrayAFirstRotAng - kTrayASecondRotAng;
3622 xloc = kTrayAR2Trans*SinD(alpharot);
3623 yloc = kTrayAR2Trans*CosD(alpharot);
3624 moth->AddNode(cableTrayAForw,5,
3625 new TGeoCombiTrans( xloc, yloc, kTrayAZTrans,
3626 new TGeoRotation("",-alpharot,0,0) ) );
3627 xloc = rExtTray*SinD(alpharot);
3628 yloc = rExtTray*CosD(alpharot);
3629 moth->AddNode(cableTrayAExt,5,
3630 new TGeoCombiTrans( xloc, yloc, zloc,
3631 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
3632
3633 alpharot += 180;
3634 xloc = kTrayAR2Trans*SinD(alpharot);
3635 yloc = kTrayAR2Trans*CosD(alpharot);
3636 moth->AddNode(cableTrayAForw,6,
3637 new TGeoCombiTrans( xloc, yloc, kTrayAZTrans,
3638 new TGeoRotation("",-alpharot,0,0) ) );
3639 xloc = rExtTray*SinD(alpharot);
3640 yloc = rExtTray*CosD(alpharot);
3641 moth->AddNode(cableTrayAExt,6,
3642 new TGeoCombiTrans( xloc, yloc, zloc,
3643 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
3644
3645 alpharot = kTrayAFirstRotAng + 3*kTrayASecondRotAng;
3646 xloc = kTrayAR2Trans*SinD(alpharot);
3647 yloc = kTrayAR2Trans*CosD(alpharot);
3648 moth->AddNode(cableTrayAForw,7,
3649 new TGeoCombiTrans( xloc, yloc, kTrayAZTrans,
3650 new TGeoRotation("",-alpharot,0,0) ) );
3651 xloc = rExtTray*SinD(alpharot);
3652 yloc = rExtTray*CosD(alpharot);
3653 moth->AddNode(cableTrayAExt,7,
3654 new TGeoCombiTrans( xloc, yloc, zloc,
3655 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
3656
3657 alpharot += 180;
3658 xloc = kTrayAR2Trans*SinD(alpharot);
3659 yloc = kTrayAR2Trans*CosD(alpharot);
3660 moth->AddNode(cableTrayAForw,8,
3661 new TGeoCombiTrans( xloc, yloc, kTrayAZTrans,
3662 new TGeoRotation("",-alpharot,0,0) ) );
3663 xloc = rExtTray*SinD(alpharot);
3664 yloc = rExtTray*CosD(alpharot);
3665 moth->AddNode(cableTrayAExt,8,
3666 new TGeoCombiTrans( xloc, yloc, zloc,
3667 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
3668
3669 alpharot = - kTrayAFirstRotAng - 3*kTrayASecondRotAng;
3670 xloc = kTrayAR2Trans*SinD(alpharot);
3671 yloc = kTrayAR2Trans*CosD(alpharot);
3672 moth->AddNode(cableTrayAForw,9,
3673 new TGeoCombiTrans( xloc, yloc, kTrayAZTrans,
3674 new TGeoRotation("",-alpharot,0,0) ) );
3675 xloc = rExtTray*SinD(alpharot);
3676 yloc = rExtTray*CosD(alpharot);
3677 moth->AddNode(cableTrayAExt,9,
3678 new TGeoCombiTrans( xloc, yloc, zloc,
3679 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
3680
3681 alpharot += 180;
3682 xloc = kTrayAR2Trans*SinD(alpharot);
3683 yloc = kTrayAR2Trans*CosD(alpharot);
3684 moth->AddNode(cableTrayAForw,10,
3685 new TGeoCombiTrans( xloc, yloc, kTrayAZTrans,
3686 new TGeoRotation("",-alpharot,0,0) ) );
3687 xloc = rExtTray*SinD(alpharot);
3688 yloc = rExtTray*CosD(alpharot);
3689 moth->AddNode(cableTrayAExt,10,
3690 new TGeoCombiTrans( xloc, yloc, zloc,
3691 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
3692
3693
3694 return;
3695}
3696
3697//______________________________________________________________________
3698void AliITSv11GeometrySupport::SDDCableTraysSideA(TGeoVolume *moth,
3699 TGeoManager *mgr){
3700//
3701// Creates the SDD cable trays which are outside the ITS support cones
3702// but still inside the TPC on Side A
3703// (part of this code is taken or anyway inspired to ServicesCableSupport
3704// method of AliITSv11GeometrySupport.cxx,v 1.9 2007/06/06)
3705//
3706// Input:
3707// moth : the TGeoVolume owing the volume structure
3708// mgr : the GeoManager (default gGeoManager)
3709// Output:
3710//
3711// Created: ??? Bjorn S. Nilsen
3712// Updated: 5 Jan 2010 Mario Sitta
3713// Updated: 26 Feb 2010 Mario Sitta
3714//
3715// Technical data are taken from AutoCAD drawings, L.Simonetti technical
3716// drawings and other (oral) information given by F.Tosello
3717//
3718
3719 // Overall position and rotation of the A-Side Cable Trays
3720 // (parts of 0872/G/D)
573a206f 3721 const Double_t kTrayARTrans = 408.35 *fgkmm;
798b4e0c 3722 const Double_t kTrayAZTrans = 1011.00 *fgkmm;
3723 const Double_t kTrayAZToSupportRing = 435.00 *fgkmm;
3724 const Double_t kExternTrayZTrans = 853.00 *fgkmm;
3725 const Double_t kExternCoverYTrans = 2.00 *fgkmm;
3726 const Double_t kTrayAZRot = (180-169.5);// Degrees
3727 const Double_t kTrayAFirstRotAng = 22.00; // Degrees
3728 const Double_t kTrayASecondRotAng = 15.00; // Degrees
3729
3730 const Double_t kForwardTrayTailHeight = 100.00 *fgkmm; // Computed
3731 const Double_t kForwardTrayTotalHeight = 170.00 *fgkmm; // Computed
3732 const Double_t kForwardTrayUpperLength = 405.00 *fgkmm; // Computed
3733 const Double_t kForwardCoverLength = 380.00 *fgkmm;
3734 const Double_t kForwardCoverWide = 133.00 *fgkmm;
3735 const Double_t kForwardCoverHeight = 10.00 *fgkmm;
3736 const Double_t kForwardCoverThick = 1.00 *fgkmm;
3737
3738 const Double_t kExternTrayTotalLen = 1200.00 *fgkmm;
3739 const Double_t kExternTrayTotalHeight = 52.00 *fgkmm;
3740 const Double_t kExternCoverLen = kExternTrayTotalLen;
3741 const Double_t kExternCoverThick = 5.00 *fgkmm;
3742 const Double_t kExternCoverSideThick = 3.00 *fgkmm;
3743
3744 const Int_t kForwardTrayNpoints = 8;
3745
3746
3747 // Local variables
3748 Double_t xprof[kForwardTrayNpoints], yprof[kForwardTrayNpoints];
3749 Double_t xloc, yloc, zloc, alpharot;
3750
3751
3752 // The whole tray as an assembly
3753 TGeoVolumeAssembly *cableTrayA = new TGeoVolumeAssembly("ITSsupportSDDTrayA");
3754
3755
3756 // First create all needed shapes
3757
3758 // The forward tray is very complex and deserves a dedicated method
3759 TGeoVolumeAssembly *forwardTray = CreateSDDForwardTraySideA(mgr);
3760
3761 // The forward cover: a Xtru
3762 TGeoXtru *forwardCover = new TGeoXtru(2);
3763 forwardCover->SetName("ITSsuppSDDForwCover");
3764
3765 xprof[0] = kForwardCoverWide/2;
3766 yprof[0] = kForwardCoverHeight;
3767 xprof[1] = xprof[0];
3768 yprof[1] = 0;
3769 xprof[2] = xprof[1] - kForwardCoverThick;
3770 yprof[2] = yprof[1];
3771 xprof[3] = xprof[2];
3772 yprof[3] = yprof[0] - kForwardCoverThick;
3773
3774 // We did the right side, now reflex on the left side
3775 for (Int_t jp = 0; jp < 4; jp++) {
3776 xprof[4+jp] = -xprof[3-jp];
3777 yprof[4+jp] = yprof[3-jp];
3778 }
3779
3780 forwardCover->DefinePolygon(8, xprof, yprof);
3781 forwardCover->DefineSection(0, 0);
3782 forwardCover->DefineSection(1, kForwardCoverLength);
3783
3784 // The external tray (as 0872/G/D/03): a Xtru
3785 TGeoXtru *externalTray = CreateSDDSSDTraysSideA(kExternTrayTotalLen,
3786 kExternTrayTotalHeight);
3787
3788 // The external covers: a Composite Shape
3789 TGeoCompositeShape *externCover = CreateTrayAExternalCover(kExternCoverLen);
3790
3791
3792 // We have all shapes: now create the real volumes
3793 TGeoMedium *medAl = mgr->GetMedium("ITS_ALUMINUM$");
3794 TGeoMedium *medAntic = mgr->GetMedium("ITS_ANTICORODAL$");
3795
3796 TGeoVolume *forwardTrayCover = new TGeoVolume("ITSsuppSDDSideAForwTrayCover",
3797 forwardCover, medAl);
3798
3799 forwardTrayCover->SetVisibility(kTRUE);
3800 forwardTrayCover->SetLineColor(kMagenta+1); // Purple
3801 forwardTrayCover->SetLineWidth(1);
3802 forwardTrayCover->SetFillColor(forwardTrayCover->GetLineColor());
3803 forwardTrayCover->SetFillStyle(4000); // 0% transparent
3804
3805 TGeoVolume *externalTraySDD = new TGeoVolume("ITSsuppSDDSideAExternalTray",
3806 externalTray, medAl);
3807
3808 externalTraySDD->SetVisibility(kTRUE);
3809 externalTraySDD->SetLineColor(6); // Purple
3810 externalTraySDD->SetLineWidth(1);
3811 externalTraySDD->SetFillColor(externalTraySDD->GetLineColor());
3812 externalTraySDD->SetFillStyle(4000); // 0% transparent
3813
3814 TGeoVolume *externTrayCover = new TGeoVolume("ITSsuppSDDSideAExtTrayCover",
3815 externCover, medAntic);
3816
3817 externTrayCover->SetVisibility(kTRUE);
3818 externTrayCover->SetLineColor(kMagenta+1); // Purple
3819 externTrayCover->SetLineWidth(1);
3820 externTrayCover->SetFillColor(externTrayCover->GetLineColor());
3821 externTrayCover->SetFillStyle(4000); // 0% transparent
3822
3823
3824 // Now build up the tray
3825 yloc = kForwardTrayTotalHeight - forwardCover->GetY(3) +
3826 kExternTrayTotalHeight +
3827 kExternCoverSideThick - kForwardTrayTailHeight;
3828 zloc = kTrayAZToSupportRing - kForwardCoverLength;
3829 cableTrayA->AddNode(forwardTrayCover, 1,
3830 new TGeoTranslation( 0, yloc, zloc) );
3831
3832 Double_t totalhi = kExternTrayTotalHeight + kExternCoverThick
3833 - kExternCoverYTrans;
3834
3835 yloc = totalhi*(1 - CosD(kTrayAZRot));
3836 zloc = kExternTrayZTrans + totalhi*SinD(kTrayAZRot);
3837 cableTrayA->AddNode(externalTraySDD, 1,
3838 new TGeoCombiTrans( 0, yloc, zloc,
3839 new TGeoRotation("", 0,-kTrayAZRot, 0) ) );
3840
3841 yloc = kExternTrayTotalHeight - kExternCoverYTrans;
3842 zloc = kExternTrayZTrans - yloc*SinD(kTrayAZRot);
3843 yloc *= CosD(kTrayAZRot);
3844 zloc += totalhi*SinD(kTrayAZRot);
3845 yloc += totalhi*(1 - CosD(kTrayAZRot));
3846 cableTrayA->AddNode(externTrayCover,1,
3847 new TGeoCombiTrans( 0, yloc, zloc,
3848 new TGeoRotation("", 0,-kTrayAZRot, 0) ) );
3849
3850
3851 // Finally put everything in the mother volume
3852 alpharot = -kTrayAFirstRotAng;
3853 xloc = kTrayARTrans*SinD(alpharot);
3854 yloc = kTrayARTrans*CosD(alpharot);
3855 zloc = kTrayAZTrans;
3856 moth->AddNode(cableTrayA,1,
3857 new TGeoCombiTrans( xloc, yloc, zloc,
3858 new TGeoRotation("",-alpharot,0,0) ) );
3859
3860 alpharot += 180;
3861 xloc = kTrayARTrans*SinD(alpharot);
3862 yloc = kTrayARTrans*CosD(alpharot);
3863 moth->AddNode(cableTrayA,2,
3864 new TGeoCombiTrans( xloc, yloc, zloc,
3865 new TGeoRotation("",-alpharot,0,0) ) );
3866
3867 alpharot = kTrayAFirstRotAng + 2*kTrayASecondRotAng;
3868 xloc = kTrayARTrans*SinD(alpharot);
3869 yloc = kTrayARTrans*CosD(alpharot);
3870 moth->AddNode(cableTrayA,3,
3871 new TGeoCombiTrans( xloc, yloc, zloc,
3872 new TGeoRotation("",-alpharot,0,0) ) );
3873
3874 alpharot += 180;
3875 xloc = kTrayARTrans*SinD(alpharot);
3876 yloc = kTrayARTrans*CosD(alpharot);
3877 moth->AddNode(cableTrayA,4,
3878 new TGeoCombiTrans( xloc, yloc, zloc,
3879 new TGeoRotation("",-alpharot,0,0) ) );
3880
3881 // To avoid putting an assembly inside another assembly,
3882 // the forwardTray is put directly in the mother volume
3883 Double_t rforw = kTrayARTrans + kExternTrayTotalHeight +
3884 kExternCoverSideThick -
3885 kForwardTrayTailHeight;
3886
3887 alpharot = -kTrayAFirstRotAng;
3888 xloc = rforw*SinD(alpharot);
3889 yloc = rforw*CosD(alpharot);
3890 zloc = kTrayAZTrans + kTrayAZToSupportRing - kForwardTrayUpperLength;
3891
3892 moth->AddNode(forwardTray,1,
3893 new TGeoCombiTrans( xloc, yloc, zloc,
3894 new TGeoRotation("",-alpharot,0,0) ) );
3895
3896 alpharot += 180;
3897 xloc = rforw*SinD(alpharot);
3898 yloc = rforw*CosD(alpharot);
3899 moth->AddNode(forwardTray,2,
3900 new TGeoCombiTrans( xloc, yloc, zloc,
3901 new TGeoRotation("",-alpharot,0,0) ) );
3902
3903 alpharot = kTrayAFirstRotAng + 2*kTrayASecondRotAng;
3904 xloc = rforw*SinD(alpharot);
3905 yloc = rforw*CosD(alpharot);
3906 moth->AddNode(forwardTray,3,
3907 new TGeoCombiTrans( xloc, yloc, zloc,
3908 new TGeoRotation("",-alpharot,0,0) ) );
3909
3910 alpharot += 180;
3911 xloc = rforw*SinD(alpharot);
3912 yloc = rforw*CosD(alpharot);
3913 moth->AddNode(forwardTray,4,
3914 new TGeoCombiTrans( xloc, yloc, zloc,
3915 new TGeoRotation("",-alpharot,0,0) ) );
3916
3917
3918 return;
3919}
3920
3921//______________________________________________________________________
3922void AliITSv11GeometrySupport::SSDCableTraysSideA(TGeoVolume *moth,
3923 TGeoManager *mgr){
3924//
3925// Creates the SSD cable trays which are outside the ITS support cones
3926// but still inside the TPC on Side A
3927// (part of this code is taken or anyway inspired to ServicesCableSupport
3928// method of AliITSv11GeometrySupport.cxx,v 1.9 2007/06/06)
3929//
3930// Input:
3931// moth : the TGeoVolume owing the volume structure
3932// mgr : the GeoManager (default gGeoManager)
3933// Output:
3934//
3935// Created: ??? Bjorn S. Nilsen
3936// Updated: 30 Dec 2009 Mario Sitta
3937//
3938// Technical data are taken from AutoCAD drawings, L.Simonetti technical
3939// drawings and other (oral) information given by F.Tosello and
3940// Ton van den Brink
3941// Cables and cooling tubes are approximated with proper materials and
3942// rectangular cross sections, always preserving the total material budget.
3943//
3944
3945 // Dimensions and positions of the A-Side Cable Trays
3946 // (parts of 0872/G/D)
573a206f 3947 const Double_t kTrayARTrans = 408.35 *fgkmm;
798b4e0c 3948 const Double_t kTrayAZTrans = 1011.00 *fgkmm;
3949 const Double_t kForwardSideYTrans = 12.00 *fgkmm;//!!!TO BE CHECKED!!!
3950 const Double_t kCoversYTrans = 2.00 *fgkmm;
3951 const Double_t kTrayAZRot = (180-169.5);// Degrees
3952 const Double_t kTrayAFirstRotAng = 22.00; // Degrees
3953 const Double_t kTrayASecondRotAng = 15.00; // Degrees
3954
3955 const Double_t kTrayTotalHeight = 52.00 *fgkmm;
3956 const Double_t kTrayHeighToBend = 32.00 *fgkmm;
3957 const Double_t kTrayWidth = 130.00 *fgkmm;
3958 const Double_t kTrayThick = 2.00 *fgkmm;
3959
3960 const Double_t kTrayBendAngle = 22.00 *TMath::DegToRad();
3961
3962 const Double_t kForwardTrayTotalLen = 853.00 *fgkmm;
3963 const Double_t kForwardTrayFirstLen = 350.00 *fgkmm;
3964 const Double_t kForwardTrayFirstHeight = 47.00 *fgkmm;
3965 const Double_t kForwardCoverLen = 420.00 *fgkmm;
3966
3967 const Double_t kForwardSideLength = kForwardTrayFirstLen;//!!!TO BE CHECKED!!!
3968 const Double_t kForwardSideHeight = 90.00 *fgkmm;//!!!TO BE CHECKED!!!
3969 const Double_t kForwardSideThick = 1.00 *fgkmm;//!!!TO BE CHECKED!!!
3970 const Double_t kForwardCoverHeight = 10.00 *fgkmm;//!!!TO BE CHECKED!!!
3971
3972 const Double_t kExternalTrayTotalLen = 1200.00 *fgkmm;
3973 const Double_t kExternalCoverLen = kExternalTrayTotalLen;
3974 const Double_t kExternalCoverThick = 5.00 *fgkmm;
3975
3976 const Int_t kForwardTrayNpoints = 16;
3977
3978 const Double_t kServicesWidth = 100.00 *fgkmm;
3979 const Double_t kCopperHeight = 11.20 *fgkmm;// 1120 mm^2
3980 const Double_t kCablePlasticHeight = 11.50 *fgkmm;// 1150 mm^2
3981 const Double_t kCoolingWaterHeight = 2.65 *fgkmm;// 265 mm^2
3982 const Double_t kPoliUrethaneHeight = 4.62 *fgkmm;// 462 mm^2
3983
3984
3985 // Local variables
3986 Double_t xprof[kForwardTrayNpoints], yprof[kForwardTrayNpoints];
3987 Double_t xloc, yloc, zloc, alpharot, totalhi;
3988
3989
3990 // The two tray components as assemblies
573a206f 3991 TGeoVolumeAssembly *cableTrayAForw =
3992 new TGeoVolumeAssembly("ITSsupportSSDTrayAForw");
798b4e0c 3993 TGeoVolumeAssembly *cableTrayAExt =
3994 new TGeoVolumeAssembly("ITSsupportSSDTrayAExt");
3995
3996
3997 // First create all needed shapes
3998
3999 // The first part of the forward tray (part of 0872/G/D/07): a Xtru
4000 TGeoXtru *forwTrayPart1 = new TGeoXtru(2);
4001
4002 xprof[3] = kTrayWidth/2;
4003 yprof[3] = kForwardTrayFirstHeight;
4004 xprof[2] = xprof[3] - kTrayThick;
4005 yprof[2] = yprof[3];
4006 xprof[4] = xprof[3];
4007 yprof[4] = kTrayTotalHeight - kTrayHeighToBend;
4008 xprof[5] = xprof[4] - yprof[4]*TMath::Tan(kTrayBendAngle);
4009 yprof[5] = 0;
4010
4011 InsidePoint( xprof[3], yprof[3], xprof[4], yprof[4], xprof[5], yprof[5],
4012 -kTrayThick, xprof[1], yprof[1]);
4013
4014 xprof[6] = -xprof[5];
4015 yprof[6] = yprof[5];
4016
4017 InsidePoint( xprof[4], yprof[4], xprof[5], yprof[5], xprof[6], yprof[6],
4018 -kTrayThick, xprof[0], yprof[0]);
4019
4020 // We did the right side, now reflex on the left side
4021 for (Int_t jp = 0; jp < 6; jp++) {
4022 xprof[6+jp] = -xprof[5-jp];
4023 yprof[6+jp] = yprof[5-jp];
4024 }
4025
4026 // And now the actual Xtru
4027 forwTrayPart1->DefinePolygon(12, xprof, yprof);
4028 forwTrayPart1->DefineSection(0, 0);
4029 forwTrayPart1->DefineSection(1, kForwardTrayFirstLen);
4030
4031 // The second part of the forward tray (part of 0872/G/D/07): a Xtru
4032 TGeoXtru *forwTrayPart2 =
4033 CreateSDDSSDTraysSideA(kForwardTrayTotalLen - kForwardTrayFirstLen,
4034 kTrayTotalHeight);
4035
4036 // The external tray (as 0872/G/D/03): a Xtru with same profile
4037 TGeoXtru *externalTray = CreateSDDSSDTraysSideA(kExternalTrayTotalLen,
4038 kTrayTotalHeight);
4039
4040 // The side wall of the forward tray: a BBox
4041 TGeoBBox *forwSide = new TGeoBBox(kForwardSideThick/2,
4042 kForwardSideHeight/2,
4043 kForwardSideLength/2);
4044
4045 // The side cover over the walls: a Xtru
4046 TGeoXtru *forwSideCover = new TGeoXtru(2);
4047 forwSideCover->SetName("ITSsuppSSDForwCover");
4048
4049 xprof[0] = kTrayWidth/2 + 2*kForwardSideThick;
4050 yprof[0] = kForwardCoverHeight;
4051 xprof[1] = xprof[0];
4052 yprof[1] = 0;
4053 xprof[2] = xprof[1] - kForwardSideThick;
4054 yprof[2] = yprof[1];
4055 xprof[3] = xprof[2];
4056 yprof[3] = yprof[0] - kForwardSideThick;
4057
4058 // We did the right side, now reflex on the left side
4059 for (Int_t jp = 0; jp < 4; jp++) {
4060 xprof[4+jp] = -xprof[3-jp];
4061 yprof[4+jp] = yprof[3-jp];
4062 }
4063
4064 forwSideCover->DefinePolygon(8, xprof, yprof);
4065 forwSideCover->DefineSection(0, 0);
4066 forwSideCover->DefineSection(1, kForwardSideLength);
4067
4068 // The forward and external covers: two Composite Shape's
4069 TGeoCompositeShape *forwardCover = CreateTrayAForwardCover(kForwardCoverLen);
4070
4071 TGeoCompositeShape *externCover = CreateTrayAExternalCover(kExternalCoverLen);
4072
4073 // The cable copper inside the forward tray: a BBox
4074 TGeoBBox *forwCopper = new TGeoBBox(kServicesWidth/2,
4075 kCopperHeight/2,
4076 kForwardTrayTotalLen/2);
4077
4078 // The cable copper inside the forward tray: a Xtru
4079 TGeoXtru *extCopper = new TGeoXtru(2);
4080 extCopper->SetName("ITSsuppSSDExtTrayCopper");
4081
4082 totalhi = kTrayTotalHeight + kExternalCoverThick - kCoversYTrans
4083 - kTrayThick;
4084
4085 xprof[0] = -totalhi*TanD(kTrayAZRot);
4086 yprof[0] = kTrayThick;
4087 xprof[1] = kExternalTrayTotalLen;
4088 yprof[1] = yprof[0];
4089 xprof[2] = xprof[1];
4090 yprof[2] = yprof[1] + kCopperHeight;
4091 totalhi -= kCopperHeight;
4092 xprof[3] = -totalhi*TanD(kTrayAZRot);
4093 yprof[3] = yprof[2];
4094
4095 extCopper->DefinePolygon(4, xprof, yprof);
4096 extCopper->DefineSection(0, 0);
4097 extCopper->DefineSection(1, kServicesWidth);
4098
4099 // The cable plastic inside the forward tray: a BBox
4100 TGeoBBox *forwPlastic = new TGeoBBox(kServicesWidth/2,
4101 kCablePlasticHeight/2,
4102 kForwardTrayTotalLen/2);
4103
4104 // The cable plastic inside the forward tray: a Xtru
4105 TGeoXtru *extPlastic = new TGeoXtru(2);
4106 extPlastic->SetName("ITSsuppSSDExtTrayPlastic");
4107
4108 totalhi = kTrayTotalHeight + kExternalCoverThick - kCoversYTrans
4109 - kTrayThick - kCopperHeight;
4110
4111 xprof[0] = -totalhi*TanD(kTrayAZRot);
4112 yprof[0] = kTrayThick;
4113 xprof[1] = kExternalTrayTotalLen;
4114 yprof[1] = yprof[0];
4115 xprof[2] = xprof[1];
4116 yprof[2] = yprof[1] + kCablePlasticHeight;
4117 totalhi -= kCablePlasticHeight;
4118 xprof[3] = -totalhi*TanD(kTrayAZRot);
4119 yprof[3] = yprof[2];
4120
4121 extPlastic->DefinePolygon(4, xprof, yprof);
4122 extPlastic->DefineSection(0, 0);
4123 extPlastic->DefineSection(1, kServicesWidth);
4124
4125 // The cooling water inside the forward tray: a BBox
4126 TGeoBBox *forwWater = new TGeoBBox(kServicesWidth/2,
4127 kCoolingWaterHeight/2,
4128 kForwardTrayTotalLen/2);
4129
4130 // The cooling water inside the forward tray: a Xtru
4131 TGeoXtru *extWater = new TGeoXtru(2);
4132 extWater->SetName("ITSsuppSSDExtTrayWater");
4133
4134 totalhi = kTrayTotalHeight + kExternalCoverThick - kCoversYTrans
4135 - kTrayThick - kCopperHeight - kCablePlasticHeight;
4136
4137 xprof[0] = -totalhi*TanD(kTrayAZRot);
4138 yprof[0] = kTrayThick;
4139 xprof[1] = kExternalTrayTotalLen;
4140 yprof[1] = yprof[0];
4141 xprof[2] = xprof[1];
4142 yprof[2] = yprof[1] + kCoolingWaterHeight;
4143 totalhi -= kCoolingWaterHeight;
4144 xprof[3] = -totalhi*TanD(kTrayAZRot);
4145 yprof[3] = yprof[2];
4146
4147 extWater->DefinePolygon(4, xprof, yprof);
4148 extWater->DefineSection(0, 0);
4149 extWater->DefineSection(1, kServicesWidth);
4150
4151 // The polyurethane inside the forward tray: a BBox
4152 TGeoBBox *forwPUR = new TGeoBBox(kServicesWidth/2,
4153 kPoliUrethaneHeight/2,
4154 kForwardTrayTotalLen/2);
4155
4156 // The poliurethane inside the forward tray: a Xtru
4157 TGeoXtru *extPUR = new TGeoXtru(2);
4158 extPUR->SetName("ITSsuppSSDExtTrayPUR");
4159
4160 totalhi = kTrayTotalHeight + kExternalCoverThick - kCoversYTrans
4161 - kTrayThick - kCopperHeight - kCablePlasticHeight
4162 - kCoolingWaterHeight;
4163
4164 xprof[0] = -totalhi*TanD(kTrayAZRot);
4165 yprof[0] = kTrayThick;
4166 xprof[1] = kExternalTrayTotalLen;
4167 yprof[1] = yprof[0];
4168 xprof[2] = xprof[1];
4169 yprof[2] = yprof[1] + kPoliUrethaneHeight;
4170 totalhi -= kPoliUrethaneHeight;
4171 xprof[3] = -totalhi*TanD(kTrayAZRot);
4172 yprof[3] = yprof[2];
4173
4174 extPUR->DefinePolygon(4, xprof, yprof);
4175 extPUR->DefineSection(0, 0);
4176 extPUR->DefineSection(1, kServicesWidth);
4177
4178
4179 // We have all shapes: now create the real volumes
4180 TGeoMedium *medAl = mgr->GetMedium("ITS_ALUMINUM$");
4181 TGeoMedium *medAntic = mgr->GetMedium("ITS_ANTICORODAL$");
4182 TGeoMedium *medCu = mgr->GetMedium("ITS_COPPER$");
4183 TGeoMedium *medFEP = mgr->GetMedium("ITS_SSD FEP$");
4184 TGeoMedium *medH2O = mgr->GetMedium("ITS_WATER$");
4185 TGeoMedium *medPUR = mgr->GetMedium("ITS_POLYURETHANE$");
4186
4187 TGeoVolume *forwTrayFirst = new TGeoVolume("ITSsuppSSDSideAForwTrayFirst",
4188 forwTrayPart1, medAl);
4189
4190 forwTrayFirst->SetVisibility(kTRUE);
4191 forwTrayFirst->SetLineColor(6); // Purple
4192 forwTrayFirst->SetLineWidth(1);
4193 forwTrayFirst->SetFillColor(forwTrayFirst->GetLineColor());
4194 forwTrayFirst->SetFillStyle(4000); // 0% transparent
4195
4196 TGeoVolume *forwTraySecond = new TGeoVolume("ITSsuppSSDSideAForwTraySecond",
4197 forwTrayPart2, medAl);
4198
4199 forwTraySecond->SetVisibility(kTRUE);
4200 forwTraySecond->SetLineColor(6); // Purple
4201 forwTraySecond->SetLineWidth(1);
4202 forwTraySecond->SetFillColor(forwTraySecond->GetLineColor());
4203 forwTraySecond->SetFillStyle(4000); // 0% transparent
4204
4205 TGeoVolume *forwTraySide = new TGeoVolume("ITSsuppSSDSideAForwTraySide",
4206 forwSide, medAl);
4207
4208 forwTraySide->SetVisibility(kTRUE);
4209 forwTraySide->SetLineColor(6); // Purple
4210 forwTraySide->SetLineWidth(1);
4211 forwTraySide->SetFillColor(forwTraySide->GetLineColor());
4212 forwTraySide->SetFillStyle(4000); // 0% transparent
4213
4214 TGeoVolume *forwTraySideCover = new TGeoVolume("ITSsuppSSDSideAForwTraySideCover",
4215 forwSideCover, medAl);
4216
4217 forwTraySideCover->SetVisibility(kTRUE);
4218 forwTraySideCover->SetLineColor(6); // Purple
4219 forwTraySideCover->SetLineWidth(1);
4220 forwTraySideCover->SetFillColor(forwTraySideCover->GetLineColor());
4221 forwTraySideCover->SetFillStyle(4000); // 0% transparent
4222
4223 TGeoVolume *externalTraySSD = new TGeoVolume("ITSsuppSSDSideAExternalTray",
4224 externalTray, medAl);
4225
4226 externalTraySSD->SetVisibility(kTRUE);
4227 externalTraySSD->SetLineColor(6); // Purple
4228 externalTraySSD->SetLineWidth(1);
4229 externalTraySSD->SetFillColor(externalTraySSD->GetLineColor());
4230 externalTraySSD->SetFillStyle(4000); // 0% transparent
4231
4232 TGeoVolume *forwardTrayCover = new TGeoVolume("ITSsuppSSDSideAForwTrayCover",
4233 forwardCover, medAntic);
4234
4235 forwardTrayCover->SetVisibility(kTRUE);
4236 forwardTrayCover->SetLineColor(kMagenta+1); // Purple
4237 forwardTrayCover->SetLineWidth(1);
4238 forwardTrayCover->SetFillColor(forwardTrayCover->GetLineColor());
4239 forwardTrayCover->SetFillStyle(4000); // 0% transparent
4240
4241 TGeoVolume *externTrayCover = new TGeoVolume("ITSsuppSSDSideAExtTrayCover",
4242 externCover, medAntic);
4243
4244 externTrayCover->SetVisibility(kTRUE);
4245 externTrayCover->SetLineColor(kMagenta+1); // Purple
4246 externTrayCover->SetLineWidth(1);
4247 externTrayCover->SetFillColor(externTrayCover->GetLineColor());
4248 externTrayCover->SetFillStyle(4000); // 0% transparent
4249
4250 TGeoVolume *forwCableCu = new TGeoVolume("ITSsuppSSDSideAForwCableCu",
4251 forwCopper, medCu);
4252
4253 forwCableCu->SetVisibility(kTRUE);
4254 forwCableCu->SetLineColor(kRed); // Red
4255 forwCableCu->SetLineWidth(1);
4256 forwCableCu->SetFillColor(forwCableCu->GetLineColor());
4257 forwCableCu->SetFillStyle(4000); // 0% transparent
4258
4259 TGeoVolume *extCableCu = new TGeoVolume("ITSsuppSSDSideAExtCableCu",
4260 extCopper, medCu);
4261
4262 extCableCu->SetVisibility(kTRUE);
4263 extCableCu->SetLineColor(kRed); // Red
4264 extCableCu->SetLineWidth(1);
4265 extCableCu->SetFillColor(extCableCu->GetLineColor());
4266 extCableCu->SetFillStyle(4000); // 0% transparent
4267
4268 TGeoVolume *forwCableFEP = new TGeoVolume("ITSsuppSSDSideAForwCableFEP",
4269 forwPlastic, medFEP);
4270
4271 forwCableFEP->SetVisibility(kTRUE);
4272 forwCableFEP->SetLineColor(kYellow); // Yellow
4273 forwCableFEP->SetLineWidth(1);
4274 forwCableFEP->SetFillColor(forwCableFEP->GetLineColor());
4275 forwCableFEP->SetFillStyle(4000); // 0% transparent
4276
4277 TGeoVolume *extCableFEP = new TGeoVolume("ITSsuppSSDSideAExtCableFEP",
4278 extPlastic, medFEP);
4279
4280 extCableFEP->SetVisibility(kTRUE);
4281 extCableFEP->SetLineColor(kYellow); // Yellow
4282 extCableFEP->SetLineWidth(1);
4283 extCableFEP->SetFillColor(extCableFEP->GetLineColor());
4284 extCableFEP->SetFillStyle(4000); // 0% transparent
4285
4286 TGeoVolume *forwTrayWater = new TGeoVolume("ITSsuppSSDSideAForwTrayWater",
4287 forwWater, medH2O);
4288
4289 forwTrayWater->SetVisibility(kTRUE);
4290 forwTrayWater->SetLineColor(kBlue); // Blue
4291 forwTrayWater->SetLineWidth(1);
4292 forwTrayWater->SetFillColor(forwTrayWater->GetLineColor());
4293 forwTrayWater->SetFillStyle(4000); // 0% transparent
4294
4295 TGeoVolume *extTrayWater = new TGeoVolume("ITSsuppSSDSideAExtTrayWater",
4296 extWater, medH2O);
4297
4298 extTrayWater->SetVisibility(kTRUE);
4299 extTrayWater->SetLineColor(kBlue); // Blue
4300 extTrayWater->SetLineWidth(1);
4301 extTrayWater->SetFillColor(extTrayWater->GetLineColor());
4302 extTrayWater->SetFillStyle(4000); // 0% transparent
4303
4304 TGeoVolume *forwPolyUr = new TGeoVolume("ITSsuppSSDSideAForwPolyUr",
4305 forwPUR, medPUR);
4306
4307 forwPolyUr->SetVisibility(kTRUE);
4308 forwPolyUr->SetLineColor(kGray); // Gray
4309 forwPolyUr->SetLineWidth(1);
4310 forwPolyUr->SetFillColor(forwPolyUr->GetLineColor());
4311 forwPolyUr->SetFillStyle(4000); // 0% transparent
4312
4313 TGeoVolume *extPolyUr = new TGeoVolume("ITSsuppSSDSideAExtPolyUr",
4314 extPUR, medPUR);
4315
4316 extPolyUr->SetVisibility(kTRUE);
4317 extPolyUr->SetLineColor(kGray); // Gray
4318 extPolyUr->SetLineWidth(1);
4319 extPolyUr->SetFillColor(extPolyUr->GetLineColor());
4320 extPolyUr->SetFillStyle(4000); // 0% transparent
4321
4322
4323 // Now build up the tray
573a206f 4324 cableTrayAForw->AddNode(forwTrayFirst, 1, 0);
798b4e0c 4325
573a206f 4326 cableTrayAForw->AddNode(forwTraySecond, 1,
798b4e0c 4327 new TGeoTranslation(0, 0, kForwardTrayFirstLen) );
4328
4329 xloc = kTrayWidth/2 + kForwardSideThick/2;
4330 yloc = kForwardTrayFirstHeight + kForwardSideHeight/2 - kForwardSideYTrans;
4331 zloc = kForwardSideLength/2;
573a206f 4332 cableTrayAForw->AddNode(forwTraySide,1,
798b4e0c 4333 new TGeoTranslation( xloc, yloc, zloc) );
573a206f 4334 cableTrayAForw->AddNode(forwTraySide,2,
798b4e0c 4335 new TGeoTranslation(-xloc, yloc, zloc) );
4336
4337 yloc = kForwardTrayFirstHeight + kForwardSideHeight - kForwardSideYTrans
4338 - kForwardCoverHeight;
573a206f 4339 cableTrayAForw->AddNode(forwTraySideCover,1,
798b4e0c 4340 new TGeoTranslation(0, yloc, 0) );
4341
4342 yloc = kTrayTotalHeight - kCoversYTrans;
4343 zloc = kForwardTrayTotalLen - kForwardCoverLen;
573a206f 4344 cableTrayAForw->AddNode(forwardTrayCover,1,
798b4e0c 4345 new TGeoTranslation(0, yloc, zloc) );
4346
4347 yloc = kTrayThick + forwCopper->GetDY();
4348 zloc = forwCopper->GetDZ();
573a206f 4349 cableTrayAForw->AddNode(forwCableCu, 1,
798b4e0c 4350 new TGeoTranslation(0, yloc, zloc) );
4351
4352 yloc = kTrayThick + kCopperHeight + forwPlastic->GetDY();
4353 zloc = forwPlastic->GetDZ();
573a206f 4354 cableTrayAForw->AddNode(forwCableFEP, 1,
798b4e0c 4355 new TGeoTranslation(0, yloc, zloc) );
4356
4357 yloc = kTrayThick + kCopperHeight + kCablePlasticHeight + forwWater->GetDY();
4358 zloc = forwWater->GetDZ();
573a206f 4359 cableTrayAForw->AddNode(forwTrayWater, 1,
798b4e0c 4360 new TGeoTranslation(0, yloc, zloc) );
4361
4362 yloc = kTrayThick + kCopperHeight + kCablePlasticHeight
4363 + kCoolingWaterHeight + forwPUR->GetDY();
4364 zloc = forwPUR->GetDZ();
573a206f 4365 cableTrayAForw->AddNode(forwPolyUr, 1,
798b4e0c 4366 new TGeoTranslation(0, yloc, zloc) );
4367
4368 // To simplify following placement in MARS, origin is on top
4369 totalhi = kTrayTotalHeight + kExternalCoverThick - kCoversYTrans;
4370
4371 yloc = -totalhi;
4372 cableTrayAExt->AddNode(externalTraySSD, 1,
4373 new TGeoTranslation(0, yloc, 0) );
4374
4375 yloc = -totalhi + kTrayTotalHeight - kCoversYTrans;
4376 cableTrayAExt->AddNode(externTrayCover,1,
4377 new TGeoTranslation(0, yloc, 0) );
4378
4379 xloc = extCopper->GetDZ();
4380 yloc = -totalhi;
4381 cableTrayAExt->AddNode(extCableCu,1,
4382 new TGeoCombiTrans( xloc, yloc, 0,
4383 new TGeoRotation("",-90, 90, 90) ) );
4384
4385 xloc = extPlastic->GetDZ();
4386 yloc = -totalhi + kCopperHeight;
4387 cableTrayAExt->AddNode(extCableFEP,1,
4388 new TGeoCombiTrans( xloc, yloc, 0,
4389 new TGeoRotation("",-90, 90, 90) ) );
4390
4391 xloc = extWater->GetDZ();
4392 yloc = -totalhi + kCopperHeight + kCablePlasticHeight;
4393 cableTrayAExt->AddNode(extTrayWater,1,
4394 new TGeoCombiTrans( xloc, yloc, 0,
4395 new TGeoRotation("",-90, 90, 90) ) );
4396
4397 xloc = extPUR->GetDZ();
4398 yloc = -totalhi + kCopperHeight + kCablePlasticHeight + kCoolingWaterHeight;
4399 cableTrayAExt->AddNode(extPolyUr,1,
4400 new TGeoCombiTrans( xloc, yloc, 0,
4401 new TGeoRotation("",-90, 90, 90) ) );
4402
4403
4404 // Finally put everything in the mother volume
4405 zloc = kTrayAZTrans;
4406 Double_t zlocext = zloc + kForwardTrayTotalLen;
4407 Double_t rExtTray = kTrayARTrans + kTrayTotalHeight;
4408
4409 alpharot = kTrayAFirstRotAng;
4410 xloc = kTrayARTrans*SinD(alpharot);
4411 yloc = kTrayARTrans*CosD(alpharot);
573a206f 4412 moth->AddNode(cableTrayAForw,1,
798b4e0c 4413 new TGeoCombiTrans( xloc, yloc, zloc,
4414 new TGeoRotation("",-alpharot,0,0) ) );
4415 xloc = rExtTray*SinD(alpharot);
4416 yloc = rExtTray*CosD(alpharot);
4417 moth->AddNode(cableTrayAExt,1,
4418 new TGeoCombiTrans( xloc, yloc, zlocext,
4419 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
4420
4421 alpharot += 180;
4422 xloc = kTrayARTrans*SinD(alpharot);
4423 yloc = kTrayARTrans*CosD(alpharot);
573a206f 4424 moth->AddNode(cableTrayAForw,2,
798b4e0c 4425 new TGeoCombiTrans( xloc, yloc, zloc,
4426 new TGeoRotation("",-alpharot,0,0) ) );
4427 xloc = rExtTray*SinD(alpharot);
4428 yloc = rExtTray*CosD(alpharot);
4429 moth->AddNode(cableTrayAExt,2,
4430 new TGeoCombiTrans( xloc, yloc, zlocext,
4431 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
4432
4433 alpharot = -kTrayAFirstRotAng - 2*kTrayASecondRotAng;
4434 xloc = kTrayARTrans*SinD(alpharot);
4435 yloc = kTrayARTrans*CosD(alpharot);
573a206f 4436 moth->AddNode(cableTrayAForw,3,
798b4e0c 4437 new TGeoCombiTrans( xloc, yloc, zloc,
4438 new TGeoRotation("",-alpharot,0,0) ) );
4439 xloc = rExtTray*SinD(alpharot);
4440 yloc = rExtTray*CosD(alpharot);
4441 moth->AddNode(cableTrayAExt,3,
4442 new TGeoCombiTrans( xloc, yloc, zlocext,
4443 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
4444
4445 alpharot += 180;
4446 xloc = kTrayARTrans*SinD(alpharot);
4447 yloc = kTrayARTrans*CosD(alpharot);
573a206f 4448 moth->AddNode(cableTrayAForw,4,
798b4e0c 4449 new TGeoCombiTrans( xloc, yloc, zloc,
4450 new TGeoRotation("",-alpharot,0,0) ) );
4451 xloc = rExtTray*SinD(alpharot);
4452 yloc = rExtTray*CosD(alpharot);
4453 moth->AddNode(cableTrayAExt,4,
4454 new TGeoCombiTrans( xloc, yloc, zlocext,
4455 new TGeoRotation("",-alpharot,-kTrayAZRot,0) ) );
4456
4457
4458 return;
4459}
4460
4461//______________________________________________________________________
4462TGeoVolumeAssembly* AliITSv11GeometrySupport::CreateSDDForwardTraySideA(TGeoManager *mgr){
4463//
4464// Creates the forward SDD tray on Side A (0872/G/D/01)
4465//
4466// Input:
4467// mgr : the GeoManager (used only to get the proper material)
4468//
4469// Output:
4470//
4471// Return: a TGeoVolumeAssembly for the tray
4472//
4473// Created: 08 Jan 2010 Mario Sitta
4474//
4475// Technical data are taken from AutoCAD drawings, L.Simonetti technical
4476// drawings and other (oral) information given by F.Tosello
4477//
4478
4479 // Dimensions of the A-Side Forward Cable Tray (0872/G/D/01)
4480 const Double_t kForwardTrayThick = 2.00 *fgkmm;
4481 const Double_t kForwardTraySideLength = 823.00 *fgkmm;
4482 const Double_t kForwardTrayTailLength = 212.00 *fgkmm;
4483 const Double_t kForwardTrayBaseHalfWide = 55.00 *fgkmm;
4484 const Double_t kForwardTrayNotchLength = 47.20 *fgkmm;
4485 const Double_t kForwardTrayNotchHeight = 25.00 *fgkmm;
4486 const Double_t kForwardTrayNotchDown = 10.00 *fgkmm;
4487 const Double_t kForwardTraySide1Height = 39.00 *fgkmm;
4488 const Double_t kForwardTraySide2Height = 26.00 *fgkmm;
4489 const Double_t kForwardTraySide2Expand = 10.50 *fgkmm;
4490 const Double_t kForwardTraySide3TailLen = 418.00 *fgkmm;
4491 const Double_t kForwardTraySide3TailHi = 31.00 *fgkmm;
4492 const Double_t kForwardTraySide3HeadLen = 425.00 *fgkmm;
4493 const Double_t kForwardTraySide3HeadHi = 72.00 *fgkmm;
4494 const Double_t kForwardTrayHorWingWide = 10.50 *fgkmm;
4495 const Double_t kForwardTrayVertWingWide = 15.00 *fgkmm;
4496
4497 const Int_t kForwardTraySideNpoints = 9;
4498
4499
4500 // Local variables
4501 Double_t xprof[kForwardTraySideNpoints], yprof[kForwardTraySideNpoints];
4502 Double_t ylen, zlen;
4503 Double_t xloc, yloc, zloc;
4504
4505
4506 // The tray has a very complex shape, so it is made by assembling
4507 // different elements (with some small simplifications): the result
4508 // is a TGeoAssembly returned to the caller
4509 TGeoVolumeAssembly *forwardTray = new TGeoVolumeAssembly("ITSsuppSDDForwardTray");
4510
4511 // The tray base: a BBox
4512 zlen = (kForwardTraySideLength-kForwardTrayTailLength)/2;
4513 TGeoBBox *trayBase = new TGeoBBox(kForwardTrayBaseHalfWide,
4514 kForwardTrayThick/2, zlen);
4515
4516 // The first part of the side wall: a Xtru
4517 TGeoXtru *traySide1 = new TGeoXtru(2);
4518
4519 xprof[0] = 0;
4520 yprof[0] = kForwardTrayThick;
4521 xprof[1] = kForwardTraySideLength-kForwardTrayTailLength;
4522 yprof[1] = yprof[0];
4523 xprof[2] = kForwardTraySideLength;
4524 yprof[2] = kForwardTraySide1Height + kForwardTrayThick;
4525 xprof[3] = 0;
4526 yprof[3] = yprof[2];
4527
4528 traySide1->DefinePolygon(4, xprof, yprof);
4529 traySide1->DefineSection(0, 0);
4530 traySide1->DefineSection(1, kForwardTrayThick);
4531
4532 // The second part of the side wall: a Xtru
4533 TGeoXtru *traySide2 = new TGeoXtru(2);
4534
4535 xprof[0] = kForwardTrayBaseHalfWide - kForwardTrayThick;
4536 yprof[0] = traySide1->GetY(2);
4537 xprof[1] = kForwardTrayBaseHalfWide;
4538 yprof[1] = yprof[0];
4539 xprof[2] = xprof[1] + kForwardTraySide2Expand;
4540 yprof[2] = yprof[1] + kForwardTraySide2Height;
4541 xprof[3] = xprof[2] - kForwardTrayThick;
4542 yprof[3] = yprof[2];
4543
4544 traySide2->DefinePolygon(4, xprof, yprof);
4545 traySide2->DefineSection(0, 0);
4546 traySide2->DefineSection(1, kForwardTraySideLength);
4547
4548 // The third part of the side wall: a Xtru
4549 TGeoXtru *traySide3 = new TGeoXtru(2);
4550
4551 xprof[0] = 0;
4552 yprof[0] = traySide2->GetY(2);
4553 xprof[1] = kForwardTraySideLength;
4554 yprof[1] = yprof[0];
4555 xprof[2] = xprof[1];
4556 yprof[2] = yprof[1] + kForwardTraySide3TailHi - kForwardTrayThick;
4557 xprof[3] = xprof[2] - kForwardTraySide3TailLen - kForwardTrayThick;
4558 yprof[3] = yprof[2];
4559 xprof[4] = xprof[3];
4560 yprof[4] = yprof[3] + kForwardTraySide3HeadHi + kForwardTrayThick;
4561 xprof[5] = xprof[4] - kForwardTraySide3HeadLen;
4562 yprof[5] = yprof[4];
4563 xprof[6] = xprof[5];
4564 yprof[6] = yprof[5] - kForwardTrayNotchHeight;
4565 xprof[7] = xprof[6] + kForwardTrayNotchLength;
4566 yprof[7] = yprof[6];
4567 xprof[8] = xprof[7];
4568 yprof[8] = yprof[7] - kForwardTrayNotchDown;
4569
4570 traySide3->DefinePolygon(9, xprof, yprof);
4571 traySide3->DefineSection(0, 0);
4572 traySide3->DefineSection(1, kForwardTrayThick);
4573
4574 // The horizontal wing: a BBox
4575 TGeoBBox *trayHorWing = new TGeoBBox(kForwardTrayHorWingWide/2,
4576 kForwardTrayThick/2,
4577 kForwardTraySide3TailLen/2);
4578
4579 // The vertical wing: a BBox
4580 ylen = (traySide3->GetY(4) - traySide3->GetY(3))/2;
4581 TGeoBBox *trayVertWing = new TGeoBBox(kForwardTrayVertWingWide/2,
4582 ylen, kForwardTrayThick/2);
4583
4584
4585 // We have all shapes: now create the real volumes
4586 TGeoMedium *medAl = mgr->GetMedium("ITS_ALUMINUM$");
4587
4588 TGeoVolume *forwTrayBase = new TGeoVolume("ITSsuppSDDSideAForwTrayBase",
4589 trayBase, medAl);
4590
4591 forwTrayBase->SetVisibility(kTRUE);
4592 forwTrayBase->SetLineColor(6); // Purple
4593 forwTrayBase->SetLineWidth(1);
4594 forwTrayBase->SetFillColor(forwTrayBase->GetLineColor());
4595 forwTrayBase->SetFillStyle(4000); // 0% transparent
4596
4597 TGeoVolume *forwTraySide1 = new TGeoVolume("ITSsuppSDDSideAForwTraySide1",
4598 traySide1, medAl);
4599
4600 forwTraySide1->SetVisibility(kTRUE);
4601 forwTraySide1->SetLineColor(6); // Purple
4602 forwTraySide1->SetLineWidth(1);
4603 forwTraySide1->SetFillColor(forwTraySide1->GetLineColor());
4604 forwTraySide1->SetFillStyle(4000); // 0% transparent
4605
4606 TGeoVolume *forwTraySide2 = new TGeoVolume("ITSsuppSDDSideAForwTraySide2",
4607 traySide2, medAl);
4608
4609 forwTraySide2->SetVisibility(kTRUE);
4610 forwTraySide2->SetLineColor(6); // Purple
4611 forwTraySide2->SetLineWidth(1);
4612 forwTraySide2->SetFillColor(forwTraySide2->GetLineColor());
4613 forwTraySide2->SetFillStyle(4000); // 0% transparent
4614
4615 TGeoVolume *forwTraySide3 = new TGeoVolume("ITSsuppSDDSideAForwTraySide3",
4616 traySide3, medAl);
4617
4618 forwTraySide3->SetVisibility(kTRUE);
4619 forwTraySide3->SetLineColor(6); // Purple
4620 forwTraySide3->SetLineWidth(1);
4621 forwTraySide3->SetFillColor(forwTraySide3->GetLineColor());
4622 forwTraySide3->SetFillStyle(4000); // 0% transparent
4623
4624 TGeoVolume *forwTrayHWing = new TGeoVolume("ITSsuppSDDSideAForwTrayHorWing",
4625 trayHorWing, medAl);
4626
4627 forwTrayHWing->SetVisibility(kTRUE);
4628 forwTrayHWing->SetLineColor(6); // Purple
4629 forwTrayHWing->SetLineWidth(1);
4630 forwTrayHWing->SetFillColor(forwTrayHWing->GetLineColor());
4631 forwTrayHWing->SetFillStyle(4000); // 0% transparent
4632
4633 TGeoVolume *forwTrayVWing = new TGeoVolume("ITSsuppSDDSideAForwTrayVertWing",
4634 trayVertWing, medAl);
4635
4636 forwTrayVWing->SetVisibility(kTRUE);
4637 forwTrayVWing->SetLineColor(6); // Purple
4638 forwTrayVWing->SetLineWidth(1);
4639 forwTrayVWing->SetFillColor(forwTrayVWing->GetLineColor());
4640 forwTrayVWing->SetFillStyle(4000); // 0% transparent
4641
4642
4643 // Now build up the tray
4644 yloc = kForwardTrayThick/2;
4645 zloc = zlen;
4646 forwardTray->AddNode(forwTrayBase, 1,
4647 new TGeoTranslation(0, yloc, zloc) );
4648
4649 xloc = kForwardTrayBaseHalfWide;
4650 forwardTray->AddNode(forwTraySide1, 1,
4651 new TGeoCombiTrans(xloc, 0, 0,
4652 new TGeoRotation("",90,-90,-90)));
4653 xloc = -xloc + kForwardTrayThick;
4654 forwardTray->AddNode(forwTraySide1, 2,
4655 new TGeoCombiTrans(xloc, 0, 0,
4656 new TGeoRotation("",90,-90,-90)));
4657
4658 forwardTray->AddNode(forwTraySide2, 1, 0);
4659 zloc = kForwardTraySideLength;
4660 forwardTray->AddNode(forwTraySide2, 2,
4661 new TGeoCombiTrans(0, 0, zloc,
4662 new TGeoRotation("",90,-180,-90)));
4663
4664 xloc = kForwardTrayBaseHalfWide + kForwardTraySide2Expand;
4665 forwardTray->AddNode(forwTraySide3, 1,
4666 new TGeoCombiTrans(xloc, 0, 0,
4667 new TGeoRotation("",90,-90,-90)));
4668 xloc = -xloc + kForwardTrayThick;
4669 forwardTray->AddNode(forwTraySide3, 2,
4670 new TGeoCombiTrans(xloc, 0, 0,
4671 new TGeoRotation("",90,-90,-90)));
4672
4673 xloc = kForwardTrayBaseHalfWide + kForwardTraySide2Expand
4674 - kForwardTrayHorWingWide/2;
4675 yloc = traySide3->GetY(2) + kForwardTrayThick/2;
4676 zloc = kForwardTraySideLength - trayHorWing->GetDZ();
4677 forwardTray->AddNode(forwTrayHWing, 1,
4678 new TGeoTranslation( xloc, yloc, zloc) );
4679 forwardTray->AddNode(forwTrayHWing, 2,
4680 new TGeoTranslation(-xloc, yloc, zloc) );
4681
4682 xloc = kForwardTrayBaseHalfWide + kForwardTraySide2Expand
4683 - kForwardTrayVertWingWide/2;
4684 yloc = traySide3->GetY(2) + trayVertWing->GetDY();
4685 zloc = traySide3->GetX(3) + kForwardTrayThick/2;
4686 forwardTray->AddNode(forwTrayVWing, 1,
4687 new TGeoTranslation( xloc, yloc, zloc) );
4688 forwardTray->AddNode(forwTrayVWing, 2,
4689 new TGeoTranslation(-xloc, yloc, zloc) );
4690
4691
4692 return forwardTray;
4693}
4694
4695//______________________________________________________________________
4696TGeoCompositeShape* AliITSv11GeometrySupport::CreateTrayAForwardCover(const Double_t coverLen){
4697//
4698// Creates the forward cover of the SDD and SSD cable trays on Side A
4699// (0872/G/D/02)
4700//
4701// Input:
4702// coverLen: the total length of the cover
4703//
4704// Output:
4705//
4706// Return: a TGeoCompositeShape for the cover
4707//
4708// Created: 03 Jan 2010 Mario Sitta
4709//
4710// Technical data are taken from AutoCAD drawings, L.Simonetti technical
4711// drawings and other (oral) information given by F.Tosello
4712//
4713
4714 // Dimensions and positions of the A-Side Cable Tray Forward Cover
4715 // (0872/G/D/02)
4716 const Double_t kForwardCoverWide = 130.00 *fgkmm;
4717 const Double_t kForwardCoverSideWide = 10.00 *fgkmm;
4718 const Double_t kForwardCoverHoleLen = 160.00 *fgkmm;
4719 const Double_t kForwardCoverHoleWide = 90.00 *fgkmm;
4720 const Double_t kForwardCoverHoleR10 = 10.00 *fgkmm;
4721 const Double_t kForwardCoverTotalThick = 5.00 *fgkmm;
4722 const Double_t kForwardCoverSideThick = 3.00 *fgkmm;
4723 const Double_t kForwardCoverInternThick = 2.00 *fgkmm;
4724
4725 const Double_t kForwardCoverHoleZTrans = 40.00 *fgkmm;
4726
4727
4728 // Local variables
4729 Double_t xprof[16], yprof[16];
4730 Double_t yloc, zloc;
4731
4732
4733 // The main shape: a Xtru
4734 TGeoXtru *forwCoverMain = new TGeoXtru(2);
4735 forwCoverMain->SetName("ITSsuppForwCoverMain");
4736
4737 xprof[0] = kForwardCoverWide/2;
4738 yprof[0] = kForwardCoverTotalThick;
4739 xprof[1] = xprof[0];
4740 yprof[1] = yprof[0] - kForwardCoverSideThick;
4741 xprof[2] = xprof[1] - kForwardCoverSideWide;
4742 yprof[2] = yprof[1];
4743 xprof[3] = xprof[2];
4744 yprof[3] = 0;
4745
4746 // We did the right side, now reflex on the left side
4747 for (Int_t jp = 0; jp < 4; jp++) {
4748 xprof[4+jp] = -xprof[3-jp];
4749 yprof[4+jp] = yprof[3-jp];
4750 }
4751
4752 // And now the actual Xtru
4753 forwCoverMain->DefinePolygon(8, xprof, yprof);
4754 forwCoverMain->DefineSection(0, 0);
4755 forwCoverMain->DefineSection(1, coverLen);
4756
4757 // The hole: another Xtru (rounded corners approximated with segments)
4758 TGeoXtru *forwCoverHole = new TGeoXtru(2);
4759 forwCoverHole->SetName("ITSsuppForwCoverHole");
4760
4761 CreateTrayACoverHolesShape(kForwardCoverHoleWide, kForwardCoverHoleLen,
4762 kForwardCoverHoleR10 , xprof, yprof);
4763
4764 // And now the actual Xtru
4765 forwCoverHole->DefinePolygon(16, xprof, yprof);
4766 forwCoverHole->DefineSection(0, 0);
4767 forwCoverHole->DefineSection(1, kForwardCoverTotalThick-kForwardCoverInternThick);
4768
4769 // Now the proper rototranslation matrices for the two holes
4770 yloc = kForwardCoverTotalThick-kForwardCoverInternThick-0.01;//Precision fix
4771 zloc = kForwardCoverHoleZTrans;
4772 TGeoCombiTrans *mf1 = new TGeoCombiTrans(0, yloc, zloc,
4773 new TGeoRotation("", 0, 90, 0) );
4774 mf1->SetName("mf1");
4775 mf1->RegisterYourself();
4776
4777 zloc = coverLen - kForwardCoverHoleZTrans - kForwardCoverHoleLen;
4778 TGeoCombiTrans *mf2 = new TGeoCombiTrans(0, yloc, zloc,
4779 new TGeoRotation("", 0, 90, 0) );
4780 mf2->SetName("mf2");
4781 mf2->RegisterYourself();
4782
4783 // Finally the actual cover shape
4784 TGeoCompositeShape *cover = new TGeoCompositeShape("ITSsuppForwardCoverMain",
4785 "ITSsuppForwCoverMain-ITSsuppForwCoverHole:mf1-ITSsuppForwCoverHole:mf2");
4786
4787 return cover;
172b0d90 4788}
798b4e0c 4789
4790//______________________________________________________________________
4791TGeoCompositeShape* AliITSv11GeometrySupport::CreateTrayAExternalCover(const Double_t coverLen){
4792//
4793// Creates the external cover of the SDD and SSD cable trays on Side A
4794// (0872/G/D/04)
4795//
4796// Input:
4797// coverLen: the total length of the cover
4798//
4799// Output:
4800//
4801// Return: a TGeoCompositeShape for the cover
4802//
4803// Created: 03 Jan 2010 Mario Sitta
4804//
4805// Technical data are taken from AutoCAD drawings, L.Simonetti technical
4806// drawings and other (oral) information given by F.Tosello
4807//
4808
4809 // Dimensions and positions of the A-Side Cable Tray External Cover
4810 // (0872/G/D/04)
4811 const Double_t kExternalCoverWide = 130.00 *fgkmm;
4812 const Double_t kExternalCoverSideWide = 10.00 *fgkmm;
4813 const Double_t kExternalCoverHoleLen1 = 262.00 *fgkmm;
4814 const Double_t kExternalCoverHoleLen2 = 280.00 *fgkmm;
4815 const Double_t kExternalCoverHoleLen3 = 205.00 *fgkmm;
4816 const Double_t kExternalCoverHoleLen4 = 55.00 *fgkmm;
4817 const Double_t kExternalCoverHoleWide = 90.00 *fgkmm;
4818 const Double_t kExternalCoverHoleR10 = 10.00 *fgkmm;
4819 const Double_t kExternalCoverTotalThick = 5.00 *fgkmm;
4820 const Double_t kExternalCoverSideThick = 3.00 *fgkmm;
4821 const Double_t kExternalCoverInternThick = 2.00 *fgkmm;
4822
4823 const Double_t kExternalCoverHole1ZTrans = 28.00 *fgkmm;
4824 const Double_t kExternalCoverHolesZTrans = 20.00 *fgkmm;
4825
4826
4827 // Local variables
4828 Double_t xprof[16], yprof[16];
4829 Double_t yloc, zloc;
4830
4831
4832 // The main shape: a Xtru
4833 TGeoXtru *externCoverMain = new TGeoXtru(2);
4834 externCoverMain->SetName("ITSsuppExternCoverMain");
4835
4836 xprof[0] = kExternalCoverWide/2;
4837 yprof[0] = kExternalCoverTotalThick;
4838 xprof[1] = xprof[0];
4839 yprof[1] = yprof[0] - kExternalCoverSideThick;
4840 xprof[2] = xprof[1] - kExternalCoverSideWide;
4841 yprof[2] = yprof[1];
4842 xprof[3] = xprof[2];
4843 yprof[3] = 0;
4844
4845 // We did the right side, now reflex on the left side
4846 for (Int_t jp = 0; jp < 4; jp++) {
4847 xprof[4+jp] = -xprof[3-jp];
4848 yprof[4+jp] = yprof[3-jp];
4849 }
4850
4851 // And now the actual Xtru
4852 externCoverMain->DefinePolygon(8, xprof, yprof);
4853 externCoverMain->DefineSection(0, 0);
4854 externCoverMain->DefineSection(1, coverLen);
4855
4856 // The first hole: a Xtru (rounded corners approximated with segments)
4857 Double_t holethick = kExternalCoverTotalThick-kExternalCoverInternThick;
4858
4859 TGeoXtru *extCoverHole1 = new TGeoXtru(2);
4860 extCoverHole1->SetName("ITSsuppExtCoverHole1");
4861
4862 CreateTrayACoverHolesShape(kExternalCoverHoleWide, kExternalCoverHoleLen1,
4863 kExternalCoverHoleR10 , xprof, yprof);
4864
4865 extCoverHole1->DefinePolygon(16, xprof, yprof);
4866 extCoverHole1->DefineSection(0, 0);
4867 extCoverHole1->DefineSection(1, holethick);
4868
4869 // The second (and third) hole: another Xtru
4870 TGeoXtru *extCoverHole2 = new TGeoXtru(2);
4871 extCoverHole2->SetName("ITSsuppExtCoverHole2");
4872
4873 CreateTrayACoverHolesShape(kExternalCoverHoleWide, kExternalCoverHoleLen2,
4874 kExternalCoverHoleR10 , xprof, yprof);
4875
4876 extCoverHole2->DefinePolygon(16, xprof, yprof);
4877 extCoverHole2->DefineSection(0, 0);
4878 extCoverHole2->DefineSection(1, holethick);
4879
4880 // The fourth hole: another Xtru
4881 TGeoXtru *extCoverHole3 = new TGeoXtru(2);
4882 extCoverHole3->SetName("ITSsuppExtCoverHole3");
4883
4884 CreateTrayACoverHolesShape(kExternalCoverHoleWide, kExternalCoverHoleLen3,
4885 kExternalCoverHoleR10 , xprof, yprof);
4886
4887 extCoverHole3->DefinePolygon(16, xprof, yprof);
4888 extCoverHole3->DefineSection(0, 0);
4889 extCoverHole3->DefineSection(1, holethick);
4890
4891 // The fifth and last hole: another Xtru
4892 TGeoXtru *extCoverHole4 = new TGeoXtru(2);
4893 extCoverHole4->SetName("ITSsuppExtCoverHole4");
4894
4895 CreateTrayACoverHolesShape(kExternalCoverHoleWide, kExternalCoverHoleLen4,
4896 kExternalCoverHoleR10 , xprof, yprof);
4897
4898 extCoverHole4->DefinePolygon(16, xprof, yprof);
4899 extCoverHole4->DefineSection(0, 0);
4900 extCoverHole4->DefineSection(1, holethick);
4901
4902 // Now the proper rototranslation matrices for the holes
4903 yloc = kExternalCoverTotalThick - kExternalCoverInternThick-0.01;
4904 zloc = kExternalCoverHole1ZTrans;
4905 TGeoCombiTrans *me1 = new TGeoCombiTrans(0, yloc, zloc,
4906 new TGeoRotation("", 0, 90, 0) );
4907 me1->SetName("me1");
4908 me1->RegisterYourself();
4909
4910 zloc += (kExternalCoverHoleLen1 + kExternalCoverHolesZTrans);
4911 TGeoCombiTrans *me2 = new TGeoCombiTrans(0, yloc, zloc,
4912 new TGeoRotation("", 0, 90, 0) );
4913 me2->SetName("me2");
4914 me2->RegisterYourself();
4915
4916 zloc += (kExternalCoverHoleLen2 + kExternalCoverHolesZTrans);
4917 TGeoCombiTrans *me3 = new TGeoCombiTrans(0, yloc, zloc,
4918 new TGeoRotation("", 0, 90, 0) );
4919 me3->SetName("me3");
4920 me3->RegisterYourself();
4921
4922 zloc += (kExternalCoverHoleLen2 + kExternalCoverHolesZTrans);
4923 TGeoCombiTrans *me4 = new TGeoCombiTrans(0, yloc, zloc,
4924 new TGeoRotation("", 0, 90, 0) );
4925 me4->SetName("me4");
4926 me4->RegisterYourself();
4927
4928 zloc += (kExternalCoverHoleLen3 + kExternalCoverHolesZTrans);
4929 TGeoCombiTrans *me5 = new TGeoCombiTrans(0, yloc, zloc,
4930 new TGeoRotation("", 0, 90, 0) );
4931 me5->SetName("me5");
4932 me5->RegisterYourself();
4933
4934 // Finally the actual cover shape
4935 TGeoCompositeShape *cover = new TGeoCompositeShape("ITSsuppExternCoverMain",
4936 "ITSsuppExternCoverMain-ITSsuppExtCoverHole1:me1-ITSsuppExtCoverHole2:me2-ITSsuppExtCoverHole2:me3-ITSsuppExtCoverHole3:me4-ITSsuppExtCoverHole4:me5");
4937
4938 return cover;
4939}
4940
4941//______________________________________________________________________
4942void AliITSv11GeometrySupport::CreateTrayACoverHolesShape(const Double_t wide,
4943 const Double_t length, const Double_t r10,
4944 Double_t *x, Double_t *y){
4945//
4946// Creates the proper sequence of X and Y coordinates to determine
4947// the base XTru polygon for the holes in the SDD and SSD tray covers
4948// (here the rounded corners are approximated with segments)
4949//
4950// Input:
4951// wide : the hole wide
4952// length : the hole length
4953// r10 : the radius of the rounded corners
4954//
4955// Output:
4956// x, y : coordinate vectors [16]
4957//
4958// Created: 03 Jan 2010 Mario Sitta
4959//
4960// Caller must guarantee that x and y have the correct dimensions
4961// (but being this a private method it's easy to tell)
4962//
4963
4964 x[0] = wide/2 - r10;
4965 y[0] = length;
4966 x[1] = x[0] + r10*SinD(30);
4967 y[1] = y[0] - r10*(1 - CosD(30));
4968 x[2] = x[0] + r10*SinD(60);
4969 y[2] = y[0] - r10*(1 - CosD(60));
4970 x[3] = x[0] + r10;
4971 y[3] = y[0] - r10;
4972 x[4] = x[3];
4973 y[4] = r10;
4974 x[5] = x[4] - r10*(1 - CosD(30));
4975 y[5] = y[4] - r10*SinD(30);
4976 x[6] = x[4] - r10*(1 - CosD(60));
4977 y[6] = y[4] - r10*SinD(60);
4978 x[7] = x[4] - r10;
4979 y[7] = 0;
4980
4981 // We did the right side, now reflex on the left side
4982 for (Int_t jp = 0; jp < 8; jp++) {
4983 x[8+jp] = -x[7-jp];
4984 y[8+jp] = y[7-jp];
4985 }
4986
4987 return;
4988}
4989
4990//______________________________________________________________________
4991TGeoXtru* AliITSv11GeometrySupport::CreateSDDSSDTraysSideA(
4992 const Double_t trayLen,
4993 const Double_t trayHi){
4994//
4995// Creates parts of the SDD and SSD Trays on Side A which are identical
4996// (0872/G/D/03, part of 0872/G/D/07, 0872/G/C/11)
4997//
4998// Input:
4999// trayLen : the length of the tray part
5000// trayHi : the height of the tray part
5001//
5002// Output:
5003//
5004// Return: a TGeoXtru
5005//
5006// Created: 26 Feb 2010 Mario Sitta
5007//
5008// Technical data are taken from AutoCAD drawings, L.Simonetti technical
5009// drawings and other (oral) information given by F.Tosello
5010//
5011
5012 // Dimensions and positions of the A-Side Cable Trays
5013 // (parts of 0872/G/C)
5014 const Double_t kTrayWidth = 130.00 *fgkmm;
5015 const Double_t kTrayWingWidth = 10.00 *fgkmm;
5016 const Double_t kTrayHeightToBend = 20.00 *fgkmm;
5017 const Double_t kTrayThick = 2.00 *fgkmm;
5018
5019 const Double_t kTrayBendAngle = 22.00 *TMath::DegToRad();
5020
5021 const Int_t kTrayNpoints = 16;
5022
5023 // Local variables
5024 Double_t xprof[kTrayNpoints], yprof[kTrayNpoints];
5025
5026
5027 // The tray shape: a Xtru
5028 TGeoXtru *trayPart = new TGeoXtru(2);
5029
5030 xprof[2] = kTrayWidth/2 - kTrayThick;
5031 yprof[2] = trayHi - kTrayThick;
5032 xprof[3] = kTrayWidth/2 - kTrayWingWidth;
5033 yprof[3] = yprof[2];
5034 xprof[4] = xprof[3];
5035 yprof[4] = trayHi;
5036 xprof[5] = kTrayWidth/2;
5037 yprof[5] = yprof[4];
5038 xprof[6] = xprof[5];
5039 yprof[6] = kTrayHeightToBend;
5040 xprof[7] = xprof[6] - yprof[6]*TMath::Tan(kTrayBendAngle);
5041 yprof[7] = 0;
5042
5043 InsidePoint( xprof[5], yprof[5], xprof[6], yprof[6], xprof[7], yprof[7],
5044 -kTrayThick, xprof[1], yprof[1]);
5045
5046 xprof[8] = -xprof[7];
5047 yprof[8] = yprof[7];
5048
5049 InsidePoint( xprof[6], yprof[6], xprof[7], yprof[7], xprof[8], yprof[8],
5050 -kTrayThick, xprof[0], yprof[0]);
5051
5052 // We did the right side, now reflex on the left side
5053 for (Int_t jp = 0; jp < 8; jp++) {
5054 xprof[8+jp] = -xprof[7-jp];
5055 yprof[8+jp] = yprof[7-jp];
5056 }
5057
5058 // And now the actual Xtru
5059 trayPart->DefinePolygon(kTrayNpoints, xprof, yprof);
5060 trayPart->DefineSection(0, 0);
5061 trayPart->DefineSection(1, trayLen);
5062
5063
5064 return trayPart;
5065}
5066