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db486a6e 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
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
24/* $Id$ */
25// General Root includes
26#include <Riostream.h>
27#include <TMath.h>
28#include <TLatex.h>
29#include <TCanvas.h>
30#include <TPolyLine.h>
31// Root Geometry includes
32#include <TGeoManager.h>
33#include <TGeoVolume.h>
34#include <TGeoPcon.h>
35#include <TGeoCone.h>
36#include <TGeoTube.h> // contaings TGeoTubeSeg
37#include <TGeoArb8.h>
38#include <TGeoEltu.h>
39#include <TGeoXtru.h>
40#include <TGeoCompositeShape.h>
41#include <TGeoMatrix.h>
42//#include <TGeoRotation.h>
43//#include <TGeoCombiTrans.h>
44//#include <TGeoTranslation.h>
45#include "AliITSv11GeometrySPD.h"
46
47ClassImp(AliITSv11GeometrySPD)
48
49#define SQ(A) (A)*(A)
50
51//______________________________________________________________________
52void AliITSv11GeometrySPD::CarbonFiberSector(TGeoVolume *moth){
53 // Define the detail SPD Carbon fiber support Sector geometry.
54 // Based on the drawings ALICE-Pixel "Construzione Profilo Modulo"
55 // March 25 2004 and ALICE-SUPPORTO "construzione Profilo Modulo"
56 // Define Outside radii as negitive, Outside in the sence that the
57 // center of the arc is outside of the object.
58 // February 16 2004.
59 // Inputs:
60 // none.
61 // Outputs:
62 // none.
63 // Return:
64 // none.
65 TGeoManager *mgr = gGeoManager;
66 TGeoMedium *medSPDcf = 0; // SPD support cone Carbon Fiber materal number.
67 //TGeoMedium *medSPDfs = 0; // SPD support cone inserto stesalite 4411w.
68 //TGeoMedium *medSPDfo = 0; // SPD support cone foam, Rohacell 50A.
69 TGeoMedium *medSPDss = 0; // SPD support cone screw material,Stainless
70 TGeoMedium *medSPDair = 0; // SPD support cone Air
71 //TGeoMedium *medSPDal = 0; // SPD support cone SDD mounting bracket Al
72 TGeoMedium *medSPDcoolfl = 0; // SPD cooling fluid, Freeon
73 medSPDcf = mgr->GetMedium("ITSspdCarbonFiber");
74 //medSPDfs = mgr->GetMedium("ITSspdStaselite4411w");
75 //medSPDfo = mgr->GetMedium("ITSspdRohacell50A");
76 medSPDss = mgr->GetMedium("ITSspdStainlessSteal");
77 medSPDair= mgr->GetMedium("ITSspdAir");
78 medSPDcoolfl= mgr->GetMedium("ITSspdCoolingFluid");
79 //
80 const Double_t ksecDz = 0.5*500.0*fgkmm;
81 const Double_t ksecLen = 30.0*fgkmm;
82 const Double_t ksecCthick = 0.20*fgkmm;
83 const Double_t ksecDipLength = 3.2*fgkmm;
84 const Double_t ksecDipRadii = 0.4*fgkmm;
85 //const Double_t ksecCoolingTubeExtraDepth = 0.86*fgkmm;
86 //
87 const Double_t ksecX0 = -10.725*fgkmm;
88 const Double_t ksecY0 = -14.853*fgkmm;
89 const Double_t ksecR0 = -0.8*fgkmm; // Outside
90 const Double_t ksecX1 = -13.187*fgkmm;
91 const Double_t ksecY1 = -19.964*fgkmm;
92 const Double_t ksecR1 = +0.6*fgkmm; // Inside
93 //const Double_t ksecDip0 = 5.9*fgkmm;
94 //
95 const Double_t ksecX2 = -3.883*fgkmm;
96 const Double_t ksecY2 = -17.805*fgkmm;
97 const Double_t ksecR2 = +0.80*fgkmm; // Inside Guess.
98 const Double_t ksecX3 = -3.123*fgkmm;
99 const Double_t ksecY3 = -14.618*fgkmm;
100 const Double_t ksecR3 = -0.6*fgkmm; // Outside
101 //const Double_t ksecDip1 = 8.035*fgkmm;
102 //
103 const Double_t ksecX4 = +11.280*fgkmm;
104 const Double_t ksecY4 = -14.473*fgkmm;
105 const Double_t ksecR4 = +0.8*fgkmm; // Inside
106 const Double_t ksecX5 = +19.544*fgkmm;
107 const Double_t ksecY5 = +10.961*fgkmm;
108 const Double_t ksecR5 = +0.8*fgkmm; // Inside
109 //const Double_t ksecDip2 = 4.553*fgkmm;
110 //
111 const Double_t ksecX6 = +10.830*fgkmm;
112 const Double_t ksecY6 = +16.858*fgkmm;
113 const Double_t ksecR6 = +0.6*fgkmm; // Inside
114 const Double_t ksecX7 = +11.581*fgkmm;
115 const Double_t ksecY7 = +13.317*fgkmm;
116 const Double_t ksecR7 = -0.6*fgkmm; // Outside
117 //const Double_t ksecDip3 = 6.978*fgkmm;
118 //
119 const Double_t ksecX8 = -0.733*fgkmm;
120 const Double_t ksecY8 = +17.486*fgkmm;
121 const Double_t ksecR8 = +0.6*fgkmm; // Inside
122 const Double_t ksecX9 = +0.562*fgkmm;
123 const Double_t ksecY9 = +14.486*fgkmm;
124 const Double_t ksecR9 = -0.6*fgkmm; // Outside
125 //const Double_t ksecDip4 = 6.978*fgkmm;
126 //
127 const Double_t ksecX10 = -12.252*fgkmm;
128 const Double_t ksecY10 = +16.298*fgkmm;
129 const Double_t ksecR10 = +0.6*fgkmm; // Inside
130 const Double_t ksecX11 = -10.445*fgkmm;
131 const Double_t ksecY11 = +13.162*fgkmm;
132 const Double_t ksecR11 = -0.6*fgkmm; // Outside
133 //const Double_t ksecDip5 = 6.978*fgkmm;
134 //
135 const Double_t ksecX12 = -22.276*fgkmm;
136 const Double_t ksecY12 = +12.948*fgkmm;
137 const Double_t ksecR12 = +0.85*fgkmm; // Inside
138 //const Double_t ksecX13 = *fgkmm;
139 //const Double_t ksecY13 = *fgkmm;
140 const Double_t ksecR13 = -0.8*fgkmm; // Outside
141 const Double_t ksecAngleSide13 = 36.0*fgkDegree;
142 //
143 const Int_t ksecNRadii = 20;
144 const Int_t ksecNPointsPerRadii = 4;
145 const Int_t ksecNCoolingTubeDips = 6;
146 // Since the Rounded parts are aproximated by a regular polygon and
147 // a cooling tube of the propper diameter must fit, a scaling factor
148 // increases the size of the polygon for the tube to fit.
149 //const Double_t ksecRCoolScale = 1./TMath::Cos(TMath::Pi()/
150 // (Double_t)ksecNPointsPerRadii);
151 const Double_t ksecZEndLen = 30.00*fgkmm;
152 //const Double_t ksecZFlangLen= 45.00*fgkmm;
153 const Double_t ksecTl = 0.860*fgkmm;
154 const Double_t ksecCthick2 = 0.600*fgkmm;
155 //const Double_t ksecCthick3 = 1.800*fgkmm;
156 //const Double_t ksecSidelen = 22.00*fgkmm;
157 //const Double_t ksecSideD5 = 3.679*fgkmm;
158 //const Double_t ksecSideD12 = 7.066*fgkmm;
159 const Double_t ksecRCoolOut = 2.400*fgkmm;
160 const Double_t ksecRCoolIn = 2.000*fgkmm;
161 const Double_t ksecDl1 = 5.900*fgkmm;
162 const Double_t ksecDl2 = 8.035*fgkmm;
163 const Double_t ksecDl3 = 4.553*fgkmm;
164 const Double_t ksecDl4 = 6.978*fgkmm;
165 const Double_t ksecDl5 = 6.978*fgkmm;
166 const Double_t ksecDl6 = 6.978*fgkmm;
167 const Double_t ksecCoolTubeThick = 0.04*fgkmm;
168 const Double_t ksecCoolTubeROuter = 2.6*fgkmm;
169 const Double_t ksecCoolTubeFlatX = 3.696*fgkmm;
170 const Double_t ksecCoolTubeFlatY = 0.68*fgkmm;
171 //const Double_t ksecBeamX0 = 0.0*fgkmm; // guess
172 //const Double_t ksecBeamY0 = (15.223+40.)*fgkmm; // guess
173 //
174 const Int_t ksecNPoints = (ksecNPointsPerRadii+1)*ksecNRadii + 8;
175 Double_t secX[ksecNRadii] = {ksecX0,ksecX1,-1000.0,ksecX2 ,ksecX3 ,-1000.0,
176 ksecX4,ksecX5,-1000.0,ksecX6 ,ksecX7 ,-1000.0,
177 ksecX8,ksecX9,-1000.0,ksecX10,ksecX11,-1000.0,
178 ksecX12,-1000.0};
179 Double_t secY[ksecNRadii] = {ksecY0,ksecY1,-1000.0,ksecY2 ,ksecY3 ,-1000.0,
180 ksecY4,ksecY5,-1000.0,ksecY6 ,ksecY7 ,-1000.0,
181 ksecY8,ksecY9,-1000.0,ksecY10,ksecY11,-1000.0,
182 ksecY12,-1000.0};
183 Double_t secR[ksecNRadii] ={ksecR0 ,ksecR1 ,-.5*ksecDipLength-ksecDipRadii,
184 ksecR2 ,ksecR3 ,-.5*ksecDipLength-ksecDipRadii,
185 ksecR4 ,ksecR5 ,-.5*ksecDipLength-ksecDipRadii,
186 ksecR6 ,ksecR7 ,-.5*ksecDipLength-ksecDipRadii,
187 ksecR8 ,ksecR9 ,-.5*ksecDipLength-ksecDipRadii,
188 ksecR10,ksecR11,-.5*ksecDipLength-ksecDipRadii,
189 ksecR12,ksecR13};/*
190 Double_t secDip[ksecNRadii]={0.0,0.0,ksecDip0,0.0,0.0,ksecDip1,
191 0.0,0.0,ksecDip2,0.0,0.0,ksecDip3,
192 0.0,0.0,ksecDip4,0.0,0.0,ksecDip5,
193 0.0,0.0};*/
194 Double_t secX2[ksecNRadii];
195 Double_t secY2[ksecNRadii];
196 Double_t secR2[ksecNRadii] = {
197 ksecR0,ksecR1,ksecRCoolOut,ksecR2,ksecR3,ksecRCoolOut,ksecR4,ksecR5,
198 ksecRCoolOut,ksecR6,ksecR7,ksecRCoolOut,ksecR8,ksecR9,ksecRCoolOut,
199 ksecR10,ksecR11,ksecRCoolOut,ksecR12,ksecR13};
200 Double_t secDip2[ksecNCoolingTubeDips]={ksecDl1,ksecDl2,ksecDl3,
201 ksecDl4,ksecDl5,ksecDl6};
202 Double_t secX3[ksecNRadii];
203 Double_t secY3[ksecNRadii];
204 const Int_t ksecDipIndex[ksecNCoolingTubeDips] = {2,5,8,11,14,17};
205 Double_t secAngleStart[ksecNRadii];
206 Double_t secAngleEnd[ksecNRadii];
207 Double_t secAngleStart2[ksecNRadii];
208 Double_t secAngleEnd2[ksecNRadii];
209 Double_t secAngleTurbo[ksecNCoolingTubeDips] = {0.0,0.0,0.0,0.0,0.0,0.0};
210 //Double_t secAngleStart3[ksecNRadii];
211 //Double_t secAngleEnd3[ksecNRadii];
212 Double_t xpp[ksecNPoints],ypp[ksecNPoints];
213 Double_t xpp2[ksecNPoints],ypp2[ksecNPoints];
214 Double_t *xp[ksecNRadii],*xp2[ksecNRadii];
215 Double_t *yp[ksecNRadii],*yp2[ksecNRadii];
216 TGeoXtru *sA0,*sA1,*sB0,*sB1;
217 TGeoEltu *sTA0,*sTA1;
218 TGeoTube *sTB0,*sTB1,*sM0;
219 TGeoRotation *rot;
220 TGeoTranslation *trans;
221 TGeoCombiTrans *rotrans;
222 Double_t t,t0,t1,a,b,x0,y0,x1,y1;
223 Int_t i,j,k,m;
224 Bool_t tst;
225
226 if(moth==0){
227 Error("CarbonFiberSector","moth=%p",moth);
228 return;
229 } // end if moth==0
230 //SetDebug(3);
231 for(i=0;i<ksecNRadii;i++){
232 xp[i] = &(xpp[i*(ksecNPointsPerRadii+1)]);
233 yp[i] = &(ypp[i*(ksecNPointsPerRadii+1)]);
234 xp2[i] = &(xpp2[i*(ksecNPointsPerRadii+1)]);
235 yp2[i] = &(ypp2[i*(ksecNPointsPerRadii+1)]);
236 secX2[i] = secX[i];
237 secY2[i] = secY[i];
238 secX3[i] = secX[i];
239 secY3[i] = secY[i];
240 } // end for i
241
242 // Find starting and ending angles for all but cooling tube sections
243 secAngleStart[0] = 0.5*ksecAngleSide13;
244 for(i=0;i<ksecNRadii-2;i++){
245 tst = kFALSE;
246 for(j=0;j<ksecNCoolingTubeDips;j++) tst = tst||i==ksecDipIndex[j];
247 if(tst) continue;
248 tst = kFALSE;
249 for(j=0;j<ksecNCoolingTubeDips;j++) tst = tst||(i+1)==ksecDipIndex[j];
250 if(tst) j = i+2;
251 else j = i+1;
252 AnglesForRoundedCorners(secX[i],secY[i],secR[i],
253 secX[j],secY[j],secR[j],t0,t1);
254 secAngleEnd[i] = t0;
255 secAngleStart[j] = t1;
256 if(secR[i]>0.0&&secR[j]>0.0)if(secAngleStart[i]>secAngleEnd[i])
257 secAngleEnd[i] += 360.0;
258 secAngleStart2[i] = secAngleStart[i];
259 secAngleEnd2[i] = secAngleEnd[i];
260 } // end for i
261 secAngleEnd[ksecNRadii-2] = secAngleStart[ksecNRadii-2] +
262 (secAngleEnd[ksecNRadii-5]-
263 secAngleStart[ksecNRadii-5]);
264 if(secAngleEnd[ksecNRadii-2]<0.0) secAngleEnd[ksecNRadii-2] += 360.0;
265 secAngleStart[ksecNRadii-1] = secAngleEnd[ksecNRadii-2] - 180.0;
266 secAngleEnd[ksecNRadii-1] = secAngleStart[0];
267 secAngleStart2[ksecNRadii-2] = secAngleStart[ksecNRadii-2];
268 secAngleEnd2[ksecNRadii-2] = secAngleEnd[ksecNRadii-2];
269 secAngleStart2[ksecNRadii-1] = secAngleStart[ksecNRadii-1];
270 secAngleEnd2[ksecNRadii-1] = secAngleEnd[ksecNRadii-1];
271 // Find location of circle last rounded corner.
272 i = 0;
273 j = ksecNRadii-2;
274 t0 = TanD(secAngleStart[i]-90.);
275 t1 = TanD(secAngleEnd[j]-90.);
276 t = secY[i] - secY[j];
277 // Note, secR[i=0] <0; secR[j=18]>0; and secR[j+1=19] <0
278 t += (-secR[i]+secR[j+1])*SinD(secAngleStart[i]);
279 t -= (secR[j]-secR[j+1])*SinD(secAngleEnd[j]);
280 t += t1*secX[j] - t0*secX[i];
281 t += t1*(secR[j]-secR[j+1])*CosD(secAngleEnd[j]);
282 t -= t0*(-secR[i]+secR[j+1])*CosD(secAngleStart[i]);
283 secX[ksecNRadii-1] = t/(t1-t0);
284 secY[ksecNRadii-1] = TanD(90.+0.5*ksecAngleSide13)*
285 (secX[ksecNRadii-1]-secX[0]) + secY[0];
286 secX2[ksecNRadii-1] = secX[ksecNRadii-1];
287 secY2[ksecNRadii-1] = secY[ksecNRadii-1];
288 secX3[ksecNRadii-1] = secX[ksecNRadii-1];
289 secY3[ksecNRadii-1] = secY[ksecNRadii-1];
290 // find location of cooling tube centers
291 for(i=0;i<ksecNCoolingTubeDips;i++){
292 j = ksecDipIndex[i];
293 x0 = secX[j-1] + TMath::Abs(secR[j-1])*CosD(secAngleEnd[j-1]);
294 y0 = secY[j-1] + TMath::Abs(secR[j-1])*SinD(secAngleEnd[j-1]);
295 x1 = secX[j+1] + TMath::Abs(secR[j+1])*CosD(secAngleStart[j+1]);
296 y1 = secY[j+1] + TMath::Abs(secR[j+1])*SinD(secAngleStart[j+1]);
297 t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1));
298 t = secDip2[i]/t0;
299 a = x0+(x1-x0)*t;
300 b = y0+(y1-y0)*t;
301 if(a+b*(a-x0)/(b-y0)>0.0){
302 secX[j] = a + TMath::Abs(y1-y0)*2.0*ksecDipRadii/t0;
303 secY[j] = b - TMath::Sign(2.0*ksecDipRadii,y1-y0)*(x1-x0)/t0;
304 secX2[j] = a + TMath::Abs(y1-y0)*ksecTl/t0;
305 secY2[j] = b - TMath::Sign(ksecTl,y1-y0)*(x1-x0)/t0;
306 secX3[j] = a + TMath::Abs(y1-y0)*(2.0*ksecDipRadii-
307 0.5*ksecCoolTubeFlatY)/t0;
308 secY3[j] = b - TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY,
309 y1-y0)*(x1-x0)/t0;
310 }else{
311 secX[j] = a - TMath::Abs(y1-y0)*2.0*ksecDipRadii/t0;
312 secY[j] = b + TMath::Sign(2.0*ksecDipRadii,y1-y0)*(x1-x0)/t0;
313 secX2[j] = a - TMath::Abs(y1-y0)*ksecTl/t0;
314 secY2[j] = b + TMath::Sign(ksecTl,y1-y0)*(x1-x0)/t0;
315 secX3[j] = a - TMath::Abs(y1-y0)*(2.0*ksecDipRadii-
316 0.5*ksecCoolTubeFlatY)/t0;
317 secY3[j] = b + TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY,
318 y1-y0)*(x1-x0)/t0;
319 } // end if
320 // Set up Start and End angles to correspond to start/end of dips.
321 t1 = (secDip2[i]-TMath::Abs(secR[j]))/t0;
322 secAngleStart[j] = TMath::RadToDeg()*TMath::ATan2(
323 y0+(y1-y0)*t1-secY[j],x0+(x1-x0)*t1-secX[j]);
324 if(secAngleStart[j]<0.0) secAngleStart[j] += 360.0;
325 secAngleStart2[j] = secAngleStart[j];
326 t1 = (secDip2[i]+TMath::Abs(secR[j]))/t0;
327 secAngleEnd[j] = TMath::RadToDeg()*TMath::ATan2(
328 y0+(y1-y0)*t1-secY[j],x0+(x1-x0)*t1-secX[j]);
329 if(secAngleEnd[j]<0.0) secAngleEnd[j] += 360.0;
330 secAngleEnd2[j] = secAngleEnd[j];
331 if(secAngleEnd[j]>secAngleStart[j]) secAngleEnd[j] -= 360.0;
332 secR[j] = TMath::Sqrt(secR[j]*secR[j]+4.0*ksecDipRadii*ksecDipRadii);
333 } // end if
334 // Spcial cases
335 secAngleStart2[8] -= 360.;
336 secAngleStart2[11] -= 360.;
337 //
338 SPDsectorShape(ksecNRadii,secX,secY,secR,secAngleStart,secAngleEnd,
339 ksecNPointsPerRadii,m,xp,yp);
340 // Fix up dips to be square.
341 for(i=0;i<ksecNCoolingTubeDips;i++){
342 j = ksecDipIndex[i];
343 t = 0.5*ksecDipLength+ksecDipRadii;
344 t0 = TMath::RadToDeg()*TMath::ATan(2.0*ksecDipRadii/t);
345 t1 = secAngleEnd[j] + t0;
346 t0 = secAngleStart[j] - t0;
347 x0 = xp[j][1] = secX[j] + t*CosD(t0);
348 y0 = yp[j][1] = secY[j] + t*SinD(t0);
349 x1 = xp[j][ksecNPointsPerRadii-1] = secX[j] + t*CosD(t1);
350 y1 = yp[j][ksecNPointsPerRadii-1] = secY[j] + t*SinD(t1);
351 t0 = 1./((Double_t)(ksecNPointsPerRadii-2));
352 for(k=2;k<ksecNPointsPerRadii-1;k++){// extra points spread them out.
353 t = ((Double_t)(k-1))*t0;
354 xp[j][k] = x0+(x1-x0)*t;
355 yp[j][k] = y0+(y1-y0)*t;
356 } // end for k
357 secAngleTurbo[i] = -TMath::RadToDeg()*TMath::ATan2(y1-y0,x1-x0);
358 if(GetDebug(3)){
359 cout <<"i="<<i<<" angle="<<secAngleTurbo[i]<<" x0,y0{"
360 <<x0<<","<<y0<<"} x1y1={"<<x1<<","<<y1<<"}"<<endl;
361 } // end if
362 } // end for i
363 sA0 = new TGeoXtru(2);
364 sA0->SetName("ITS SPD Carbon fiber support Sector A0");
365 sA0->DefinePolygon(m,xpp,ypp);
366 sA0->DefineSection(0,-ksecDz);
367 sA0->DefineSection(1,ksecDz);
368 //
369 InsidePoint(xpp[m-1],ypp[m-1],xpp[0],ypp[0],xpp[1],ypp[1],
370 ksecCthick,xpp2[0],ypp2[0]);
371 for(i=1;i<m-1;i++){
372 j = i/(ksecNPointsPerRadii+1);
373 InsidePoint(xpp[i-1],ypp[i-1],xpp[i],ypp[i],xpp[i+1],ypp[i+1],
374 ksecCthick,xpp2[i],ypp2[i]);
375 } // end for i
376 InsidePoint(xpp[m-2],ypp[m-2],xpp[m-1],ypp[m-1],xpp[0],ypp[0],
377 ksecCthick,xpp2[m-1],ypp2[m-1]);
378 // Fix center value of cooling tube dip.
379 // find location of cooling tube centers
380 for(i=0;i<ksecNCoolingTubeDips;i++){
381 j = ksecDipIndex[i];
382 x0 = xp2[j][1];
383 y0 = yp2[j][1];
384 x1 = xp2[j][ksecNPointsPerRadii-1];
385 y1 = yp2[j][ksecNPointsPerRadii-1];
386 t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1));
387 t = secDip2[i]/t0;
388 for(k=2;k<ksecNPointsPerRadii-1;k++){// extra points spread them out.
389 t = ((Double_t)(k-1))*t0;
390 xp2[j][k] = x0+(x1-x0)*t;
391 yp2[j][k] = y0+(y1-y0)*t;
392 } // end for k
393 } // end for i
394 sA1 = new TGeoXtru(2);
395 sA1->SetName("ITS SPD Carbon fiber support Sector Air A1");
396 sA1->DefinePolygon(m,xpp2,ypp2);
397 sA1->DefineSection(0,-ksecDz);
398 sA1->DefineSection(1,ksecDz);
399 //
400 // Error in TGeoEltu. Semi-axis X must be < Semi-axis Y (?).
401 sTA0 = new TGeoEltu("ITS SPD Cooling Tube TA0",
402 0.5* ksecCoolTubeFlatY, 0.5* ksecCoolTubeFlatX,ksecDz);
403 sTA1 = new TGeoEltu("ITS SPD Cooling Tube coolant TA1",
404 sTA0->GetA()-ksecCoolTubeThick,
405 sTA0->GetB()-ksecCoolTubeThick,ksecDz);
406 //
407 SPDsectorShape(ksecNRadii,secX2,secY2,secR2,secAngleStart2,secAngleEnd2,
408 ksecNPointsPerRadii,m,xp,yp);
409 //
410 sB0 = new TGeoXtru(2);
411 sB0->SetName("ITS SPD Carbon fiber support Sector End B0");
412 sB0->DefinePolygon(m,xpp,ypp);
413 sB0->DefineSection(0,ksecDz);
414 sB0->DefineSection(1,ksecDz+ksecZEndLen);
415 //
416 InsidePoint(xpp[m-1],ypp[m-1],xpp[0],ypp[0],xpp[1],ypp[1],
417 ksecCthick2,xpp2[0],ypp2[0]);
418 for(i=1;i<m-1;i++){
419 t = ksecCthick2;
420 for(k=0;k<ksecNCoolingTubeDips;k++)
421 if((i/(ksecNPointsPerRadii+1))==ksecDipIndex[k])
422 if(!(ksecDipIndex[k]*(ksecNPointsPerRadii+1)==i ||
423 ksecDipIndex[k]*(ksecNPointsPerRadii+1)+
424 ksecNPointsPerRadii==i ))
425 t = ksecRCoolOut-ksecRCoolIn;
426 InsidePoint(xpp[i-1],ypp[i-1],xpp[i],ypp[i],xpp[i+1],ypp[i+1],
427 t,xpp2[i],ypp2[i]);
428 } // end for i
429 InsidePoint(xpp[m-2],ypp[m-2],xpp[m-1],ypp[m-1],xpp[0],ypp[0],
430 ksecCthick2,xpp2[m-1],ypp2[m-1]);
431 sB1 = new TGeoXtru(2);
432 sB1->SetName("ITS SPD Carbon fiber support Sector Air End B1");
433 sB1->DefinePolygon(m,xpp2,ypp2);
434 sB1->DefineSection(0,ksecDz);
435 sB1->DefineSection(1,ksecDz+ksecLen);
436 sTB0 = new TGeoTube("ITS SPD Cooling Tube End TB0",0.0,
437 0.5*ksecCoolTubeROuter,0.5*ksecLen);
438 sTB1 = new TGeoTube("ITS SPD Cooling Tube End coolant TB0",0.0,
439 sTB0->GetRmax()-ksecCoolTubeThick,0.5*ksecLen);
440 //
441 sM0 = new TGeoTube("ITS SPD Sensitive Virutual Volume M0",0.0,8.0,
442 sA0->GetZ(1)+sB0->GetZ(1));
443 //
444 if(GetDebug()){
445 sM0->InspectShape();
446 sA0->InspectShape();
447 sA1->InspectShape();
448 sB0->InspectShape();
449 sB1->InspectShape();
450 } // end if GetDebug
451 //
452 TGeoVolume *vM0,*vA0,*vA1,*vTA0,*vTA1,*vB0,*vB1,*vTB0,*vTB1;
453 vM0 = new TGeoVolume("ITSSPDSensitiveVirtualvolumeM0",sM0,medSPDair);
454 vM0->SetVisibility(kTRUE);
455 vM0->SetLineColor(7); // light Blue
456 vM0->SetLineWidth(1);
457 vM0->SetFillColor(vM0->GetLineColor());
458 vM0->SetFillStyle(4090); // 90% transparent
459 vA0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorA0",sA0,medSPDcf);
460 vA0->SetVisibility(kTRUE);
461 vA0->SetLineColor(4); // Blue
462 vA0->SetLineWidth(1);
463 vA0->SetFillColor(vA0->GetLineColor());
464 vA0->SetFillStyle(4010); // 10% transparent
465 vA1 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorAirA1",sA1,medSPDair);
466 vA1->SetVisibility(kTRUE);
467 vA1->SetLineColor(7); // light Blue
468 vA1->SetLineWidth(1);
469 vA1->SetFillColor(vA1->GetLineColor());
470 vA1->SetFillStyle(4090); // 90% transparent
471 vTA0 = new TGeoVolume("ITSSPDCoolingTubeTA0",sTA0,medSPDss);
472 vTA0->SetVisibility(kTRUE);
473 vTA0->SetLineColor(1); // Black
474 vTA0->SetLineWidth(1);
475 vTA0->SetFillColor(vTA0->GetLineColor());
476 vTA0->SetFillStyle(4000); // 0% transparent
477 vTA1 = new TGeoVolume("ITSSPDCoolingTubeFluidTA1",sTA1,medSPDcoolfl);
478 vTA1->SetVisibility(kTRUE);
479 vTA1->SetLineColor(6); // Purple
480 vTA1->SetLineWidth(1);
481 vTA1->SetFillColor(vTA1->GetLineColor());
482 vTA1->SetFillStyle(4000); // 0% transparent
483 vB0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndB0",sB0,medSPDcf);
484 vB0->SetVisibility(kTRUE);
485 vB0->SetLineColor(4); // Blue
486 vB0->SetLineWidth(1);
487 vB0->SetFillColor(vB0->GetLineColor());
488 vB0->SetFillStyle(4010); // 10% transparent
489 vB1 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndAirB1",
490 sB1,medSPDair);
491 vB1->SetVisibility(kTRUE);
492 vB1->SetLineColor(7); // light Blue
493 vB1->SetLineWidth(1);
494 vB1->SetFillColor(vB1->GetLineColor());
495 vB1->SetFillStyle(4090); // 90% transparent
496 vTB0 = new TGeoVolume("ITSSPDCoolingTubeEndTB0",sTB0,medSPDss);
497 vTB0->SetVisibility(kTRUE);
498 vTB0->SetLineColor(1); // Black
499 vTB0->SetLineWidth(1);
500 vTB0->SetFillColor(vTB0->GetLineColor());
501 vTB0->SetFillStyle(4000); // 0% transparent
502 vTB1 = new TGeoVolume("ITSSPDCoolingTubeEndFluidTB1",sTB1,medSPDcoolfl);
503 vTB1->SetVisibility(kTRUE);
504 vTB1->SetLineColor(6); // Purple
505 vTB1->SetLineWidth(1);
506 vTB1->SetFillColor(vTB1->GetLineColor());
507 vTB1->SetFillStyle(4000); // 0% transparent
508 //
509 moth->AddNode(vM0,1,0); // Add virtual volume to mother
510 vA0->AddNode(vA1,1,0); // Put air inside carbon fiber.
511 vB0->AddNode(vB1,1,0); // Put air inside carbon fiber.
512 vTA0->AddNode(vTA1,1,0); // Put air inside carbon fiber.
513 vTB0->AddNode(vTB1,1,0); // Put air inside carbon fiber.
514 for(i=0;i<ksecNCoolingTubeDips;i++){
515 x0 = secX3[ksecDipIndex[i]];
516 y0 = secY3[ksecDipIndex[i]];
517 t = 90.0-secAngleTurbo[i];
518 trans = new TGeoTranslation("",x0,y0,0.5*(sB1->GetZ(0)+sB1->GetZ(1)));
519 vB1->AddNode(vTB0,i+1,trans);
520 rot = new TGeoRotation("",0.0,0.0,t);
521 rotrans = new TGeoCombiTrans("",x0,y0,0.0,rot);
522 vM0->AddNode(vTA0,i+1,rotrans);
523 delete rot; // rot owned by AliITSv11GeometerySPD::CarbonFiberSector
524 } // end for i
525 vM0->AddNode(vA0,1,0);
526 vM0->AddNode(vB0,1,0);
527 // Reflection.
528 vM0->AddNode(vB0,2,new TGeoRotation("",90.,0.,90.,90.,180.,0.));
529 if(GetDebug()){
530 vM0->PrintNodes();
531 vA0->PrintNodes();
532 vA1->PrintNodes();
533 vB0->PrintNodes();
534 vB1->PrintNodes();
535 } // end if GetDebug
536 //
537}
538//----------------------------------------------------------------------
539void AliITSv11GeometrySPD::SPDsectorShape(Int_t n,const Double_t *xc,
540const Double_t *yc,const Double_t *r,const Double_t *ths,const Double_t *the,
541 Int_t npr,Int_t &m,Double_t **xp,Double_t **yp){
542 // Code to compute the points that make up the shape of the SPD
543 // Carbon fiber support sections
544 // Inputs:
545 // Int_t n Size of arrays xc,yc, and r.
546 // Double_t *xc Array of x values for radii centers.
547 // Double_t *yc Array of y values for radii centers.
548 // Double_t *r Array of signed radii values.
549 // Double_t *ths Array of starting angles [degrees].
550 // Double_t *the Array of ending angles [degrees].
551 // Int_t npr The number of lines segments to aproximate the arc.
552 // Outputs:
553 // Int_t m The number of enetries in the arrays *xp[npr+1]
554 // and *yp[npr+1].
555 // Double_t **xp Array of x coordinate values of the line segments
556 // which make up the SPD support sector shape.
557 // Double_t **yp Array of y coordinate values of the line segments
558 // which make up the SPD support sector shape.
559 // Return:
560 // none.
561 Int_t i,k;
562 Double_t t,t0,t1;
563
564 m = n*(npr+1);
565 if(GetDebug(2)){
566 cout <<" X \t Y \t R \t S \t E"<< m <<endl;
567 for(i=0;i<n;i++){
568 cout <<"{"<< xc[i] <<",";
569 cout << yc[i] <<",";
570 cout << r[i] <<",";
571 cout << ths[i] <<",";
572 cout << the[i] <<"},"<< endl;
573 } // end for i
574 } // end if GetDebug
575 //
576 if(GetDebug(3)) cout <<"Double_t sA0 = ["<< n*(npr+1)+1<<"][";
577 if(GetDebug(4)) cout <<"3]{";
578 else if(GetDebug(3)) cout <<"2]{";
579 t0 = (Double_t)npr;
580 for(i=0;i<n;i++){
581 t1 = (the[i]-ths[i])/t0;
582 if(GetDebug(5)) cout<<"t1="<< t1<<endl;
583 for(k=0;k<=npr;k++){
584 t=ths[i]+((Double_t)k)*t1;
585 xp[i][k] = TMath::Abs(r[i])*CosD(t)+xc[i];
586 yp[i][k] = TMath::Abs(r[i])*SinD(t)+yc[i];
587 if(GetDebug(3)){
588 cout << "{"<<xp[i][k]<<","<<yp[i][k];
589 if(GetDebug(4)) cout <<","<<t;
590 cout <<"},";
591 } // end if GetDebug
592 } // end for k
593 if(GetDebug(3)) cout << endl;
594 } // end of i
595 if(GetDebug(3)) cout<<"{"<<xp[0][0]<<","<<yp[0][0];
596 if(GetDebug(4)) cout<<","<< ths[0];
597 if(GetDebug(3)) cout<<"}}"<<endl;
598 //
599 return;
600}
601//______________________________________________________________________
602void AliITSv11GeometrySPD::HalfStave(TGeoVolume *moth){
603 // Define the detail SPD Half Stave geometry.
604 // Inputs:
605 // none.
606 // Outputs:
607 // none.
608 // Return:
609 // none.
610
611 if(moth==0){
612 Error("HalfStave","moth=%p",moth);
613 return;
614 } // end if moth==0
615}
616//----------------------------------------------------------------------
617void AliITSv11GeometrySPD::CreateFigure0(const Char_t *filepath,
618 const Char_t *type){
619 // Creates Figure 0 for the documentation of this class. In this
620 // specific case, it creates the X,Y cross section of the SPD suport
621 // section, center and ends. The output is written to a standard
622 // file name to the path specificed.
623 // Inputs:
624 // const Char_t *filepath Path where the figure is to be drawn
625 // const Char_t *type The type of file, default is gif.
626 // Output:
627 // none.
628 // Return:
629 // none.
630 TGeoXtru *sA0,*sA1,*sB0,*sB1;
631 //TPolyMarker *pmA,*pmB;
632 TPolyLine plA0,plA1,plB0,plB1;
633 TCanvas *canvas;
634 TLatex txt;
635 Double_t x=0.0,y=0.0;
636 Int_t i,kNRadii=6;
637
638 if(strcmp(filepath,"")){
639 Error("CreateFigure0","filepath=%s type=%s",filepath,type);
640 } // end if
641 //
642 sA0 = (TGeoXtru*) gGeoManager->GetVolume(
643 "ITSSPDCarbonFiberSupportSectorA0_1")->GetShape();
644 sA1 = (TGeoXtru*) gGeoManager->GetVolume(
645 "ITSSPDCarbonFiberSupportSectorAirA1_1")->GetShape();
646 sB0 = (TGeoXtru*) gGeoManager->GetVolume(
647 "ITSSPDCarbonFiberSupportSectorEndB0_1")->GetShape();
648 sB1 = (TGeoXtru*) gGeoManager->GetVolume(
649 "ITSSPDCarbonFiberSupportSectorEndAirB1_1")->GetShape();
650 //pmA = new TPolyMarker();
651 //pmA.SetMarkerStyle(2); // +
652 //pmA.SetMarkerColor(7); // light blue
653 //pmB = new TPolyMarker();
654 //pmB.SetMarkerStyle(5); // X
655 //pmB.SetMarkerColor(6); // purple
656 plA0.SetPolyLine(sA0->GetNvert());
657 plA0.SetLineColor(1); // black
658 plA0.SetLineStyle(1);
659 plA1.SetPolyLine(sA1->GetNvert());
660 plA1.SetLineColor(2); // red
661 plA1.SetLineStyle(1);
662 plB0.SetPolyLine(sB0->GetNvert());
663 plB0.SetLineColor(3); // Green
664 plB0.SetLineStyle(2);
665 plB1.SetPolyLine(sB1->GetNvert());
666 plB1.SetLineColor(4); // Blue
667 plB1.SetLineStyle(2);
668 //for(i=0;i<kNRadii;i++) pmA.SetPoint(i,xyB1p[i][0],xyB1p[i][1]);
669 //for(i=0;i<kNRadii;i++) pmB.SetPoint(i,xyB1p[i][0],xyB1p[i][1]);
670 for(i=0;i<sA0->GetNvert();i++) plA0.SetPoint(i,sA0->GetX(i),sA0->GetY(i));
671 for(i=0;i<sA1->GetNvert();i++) plA1.SetPoint(i,sA1->GetX(i),sA1->GetY(i));
672 for(i=0;i<sB0->GetNvert();i++) plB0.SetPoint(i,sB0->GetX(i),sB0->GetY(i));
673 for(i=0;i<sB1->GetNvert();i++) plB1.SetPoint(i,sB1->GetX(i),sB1->GetY(i));
674 canvas = new TCanvas("AliITSv11GeometrySPDFig0","",1000,1000);
675 canvas->Range(-3.,-3.,3.,3.);
676 txt.SetTextSize(0.05);
677 txt.SetTextAlign(33);
678 txt.SetTextColor(1);
679 txt.DrawLatex(2.9,2.9,"Section A-A outer Carbon Fiber surface");
680 txt.SetTextColor(2);
681 txt.DrawLatex(2.9,2.5,"Section A-A Inner Carbon Fiber surface");
682 txt.SetTextColor(3);
683 txt.DrawLatex(2.9,2.1,"Section E-E outer Carbon Fiber surface");
684 txt.SetTextColor(4);
685 txt.DrawLatex(2.9,1.7,"Section E-E Inner Carbon Fiber surface");
686 plA0.Draw();
687 plA1.Draw();
688 plB0.Draw();
689 plB1.Draw();
690 //pmA.Draw();
691 //pmB.Draw();
692 //
693 x = 1.0;
694 y = -2.5;
695 Char_t chr[3];
696 for(i=0;i<kNRadii;i++){
697 sprintf(chr,"%2d",i);txt.DrawLatex(x-0.1,y,chr);
698 sprintf(chr,"%8.4",5.000);txt.DrawLatex(x,y,chr);
699 sprintf(chr,"%8.4",5.000);txt.DrawLatex(x+0.5,y,chr);
700 sprintf(chr,"%8.4",5.000);txt.DrawLatex(x+1.0,y,chr);
701 sprintf(chr,"%8.4",5.000);txt.DrawLatex(x+1.5,y,chr);
702 sprintf(chr,"%8.4",5.000);txt.DrawLatex(x+2.0,y,chr);
703 if(kTRUE) txt.DrawLatex(x+2.5,y,"A-A/E-E");
704 else txt.DrawLatex(x+2.5,y,"E-E");
705 } // end for i
706 txt.DrawLatex(x,y,"x_{c} mm");
707 txt.DrawLatex(x+0.5,y,"y_{c} mm");
708 txt.DrawLatex(x+1.0,y,"R mm");
709 txt.DrawLatex(x+1.5,y,"#theta_{start}^{#circle}");
710 txt.DrawLatex(x+2.0,y,"#theta_{end}^{#circle}");
711 txt.DrawLatex(x+2.5,y,"Section");
712 //
713}