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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/* $Id$ */
17
18//_________________________________________________________________________
19// Implementation version v0 of PHOS Manager class
20// Layout EMC + PPSD has name GPS2
21// Layout EMC + CPV has name IHEP
22// An object of this class does not produce hits nor digits
23// It is the one to use if you do not want to produce outputs in TREEH or TREED
24//
25//*-- Author: Yves Schutz (SUBATECH)
26
27
28// --- ROOT system ---
29
30#include "TBRIK.h"
31#include "TNode.h"
32#include "TRandom.h"
33#include "TGeometry.h"
34
35
36// --- Standard library ---
37
38#include <stdio.h>
39#include <string.h>
40#include <stdlib.h>
41#include <strstream.h>
42
43// --- AliRoot header files ---
44
45#include "AliPHOSv0.h"
46#include "AliRun.h"
47#include "AliConst.h"
48#include "AliMC.h"
49#include "AliPHOSGeometry.h"
50
51ClassImp(AliPHOSv0)
52
53//____________________________________________________________________________
54AliPHOSv0::AliPHOSv0(const char *name, const char *title):
55 AliPHOS(name,title)
56{
57 // ctor : title is used to identify the layout
58 // GPS2 = 5 modules (EMC + PPSD)
59 // IHEP = 5 modules (EMC + CPV)
60 // MIXT = 4 modules (EMC + CPV) and 1 module (EMC + PPSD)
61
62 // gets an instance of the geometry parameters class
63
64 if (strcmp(GetTitle(),"") != 0 )
65 fGeom = AliPHOSGeometry::GetInstance(GetTitle(), "") ;
66
67}
68
69//____________________________________________________________________________
70void AliPHOSv0::BuildGeometry()
71{
72 // Build the PHOS geometry for the ROOT display
73 //BEGIN_HTML
74 /*
75 <H2>
76 PHOS in ALICE displayed by root
77 </H2>
78 <UL>
79 <LI> All Views
80 <P>
81 <CENTER>
82 <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif">
83 </CENTER></P></LI>
84 <LI> Front View
85 <P>
86 <CENTER>
87 <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif">
88 </CENTER></P></LI>
89 <LI> 3D View 1
90 <P>
91 <CENTER>
92 <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif">
93 </CENTER></P></LI>
94 <LI> 3D View 2
95 <P>
96 <CENTER>
97 <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif">
98 </CENTER></P></LI>
99 </UL>
100 */
101 //END_HTML
102
103 this->BuildGeometryforPHOS() ;
104 if (strcmp(fGeom->GetName(),"GPS2") == 0)
105 this->BuildGeometryforPPSD() ;
106 else if (strcmp(fGeom->GetName(),"IHEP") == 0)
107 this->BuildGeometryforCPV() ;
108 else if (strcmp(fGeom->GetName(),"MIXT") == 0) {
109 this->BuildGeometryforPPSD() ;
110 this->BuildGeometryforCPV() ;
111 }
112 else
113 cout << "AliPHOSv0::BuildGeometry : no charged particle identification system installed: "
114 << "Geometry name = " << fGeom->GetName() << endl;
115
116}
117
118//____________________________________________________________________________
119void AliPHOSv0:: BuildGeometryforPHOS(void)
120{
121 // Build the PHOS-EMC geometry for the ROOT display
122
123 const Int_t kColorPHOS = kRed ;
124 const Int_t kColorXTAL = kBlue ;
125
126 Double_t const kRADDEG = 180.0 / kPI ;
127
128 new TBRIK( "OuterBox", "PHOS box", "void", fGeom->GetOuterBoxSize(0)/2,
129 fGeom->GetOuterBoxSize(1)/2,
130 fGeom->GetOuterBoxSize(2)/2 );
131
132 // Textolit Wall box, position inside PHOS
133
134 new TBRIK( "TextolitBox", "PHOS Textolit box ", "void", fGeom->GetTextolitBoxSize(0)/2,
135 fGeom->GetTextolitBoxSize(1)/2,
136 fGeom->GetTextolitBoxSize(2)/2);
137
138 // Polystyrene Foam Plate
139
140 new TBRIK( "UpperFoamPlate", "PHOS Upper foam plate", "void", fGeom->GetTextolitBoxSize(0)/2,
141 fGeom->GetSecondUpperPlateThickness()/2,
142 fGeom->GetTextolitBoxSize(2)/2 ) ;
143
144 // Air Filled Box
145
146 new TBRIK( "AirFilledBox", "PHOS air filled box", "void", fGeom->GetAirFilledBoxSize(0)/2,
147 fGeom->GetAirFilledBoxSize(1)/2,
148 fGeom->GetAirFilledBoxSize(2)/2 );
149
150 // Crystals Box
151
152 Float_t xtlX = fGeom->GetCrystalSize(0) ;
153 Float_t xtlY = fGeom->GetCrystalSize(1) ;
154 Float_t xtlZ = fGeom->GetCrystalSize(2) ;
155
156 Float_t xl = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
157 Float_t yl = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0
158 + fGeom->GetModuleBoxThickness() / 2.0 ;
159 Float_t zl = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
160
161 new TBRIK( "CrystalsBox", "PHOS crystals box", "void", xl, yl, zl ) ;
162
163// position PHOS into ALICE
164
165 Float_t r = fGeom->GetIPtoOuterCoverDistance() + fGeom->GetOuterBoxSize(1) / 2.0 ;
166 Int_t number = 988 ;
167 Float_t pphi = TMath::ATan( fGeom->GetOuterBoxSize(0) / ( 2.0 * fGeom->GetIPtoOuterCoverDistance() ) ) ;
168 pphi *= kRADDEG ;
169 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
170
171 char * nodename = new char[20] ;
172 char * rotname = new char[20] ;
173
174 for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) {
175 Float_t angle = pphi * 2 * ( i - fGeom->GetNModules() / 2.0 - 0.5 ) ;
176 sprintf(rotname, "%s%d", "rot", number++) ;
177 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
178 top->cd();
179 sprintf(nodename,"%s%d", "Module", i) ;
180 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
181 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
182 TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ;
183 outerboxnode->SetLineColor(kColorPHOS) ;
184 fNodes->Add(outerboxnode) ;
185 outerboxnode->cd() ;
186 // now inside the outer box the textolit box
187 y = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ;
188 sprintf(nodename,"%s%d", "TexBox", i) ;
189 TNode * textolitboxnode = new TNode(nodename, nodename, "TextolitBox", 0, y, 0) ;
190 textolitboxnode->SetLineColor(kColorPHOS) ;
191 fNodes->Add(textolitboxnode) ;
192 // upper foam plate inside outre box
193 outerboxnode->cd() ;
194 sprintf(nodename, "%s%d", "UFPlate", i) ;
195 y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ;
196 TNode * upperfoamplatenode = new TNode(nodename, nodename, "UpperFoamPlate", 0, y, 0) ;
197 upperfoamplatenode->SetLineColor(kColorPHOS) ;
198 fNodes->Add(upperfoamplatenode) ;
199 // air filled box inside textolit box (not drawn)
200 textolitboxnode->cd();
201 y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ;
202 sprintf(nodename, "%s%d", "AFBox", i) ;
203 TNode * airfilledboxnode = new TNode(nodename, nodename, "AirFilledBox", 0, y, 0) ;
204 fNodes->Add(airfilledboxnode) ;
205 // crystals box inside air filled box
206 airfilledboxnode->cd() ;
207 y = fGeom->GetAirFilledBoxSize(1) / 2.0 - yl
208 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
209 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ;
210 sprintf(nodename, "%s%d", "XTBox", i) ;
211 TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, y, 0) ;
212 crystalsboxnode->SetLineColor(kColorXTAL) ;
213 fNodes->Add(crystalsboxnode) ;
214 }
215
216 delete[] rotname ;
217 delete[] nodename ;
218}
219
220//____________________________________________________________________________
221void AliPHOSv0:: BuildGeometryforPPSD(void)
222{
223 // Build the PHOS-PPSD geometry for the ROOT display
224 //BEGIN_HTML
225 /*
226 <H2>
227 PPSD displayed by root
228 </H2>
229 <UL>
230 <LI> Zoom on PPSD: Front View
231 <P>
232 <CENTER>
233 <IMG Align=BOTTOM ALT="PPSD Front View" SRC="../images/AliPHOSv0PPSDFrontView.gif">
234 </CENTER></P></LI>
235 <LI> Zoom on PPSD: Perspective View
236 <P>
237 <CENTER>
238 <IMG Align=BOTTOM ALT="PPSD Prespective View" SRC="../images/AliPHOSv0PPSDPerspectiveView.gif">
239 </CENTER></P></LI>
240 </UL>
241 */
242 //END_HTML
243 Double_t const kRADDEG = 180.0 / kPI ;
244
245 const Int_t kColorPHOS = kRed ;
246 const Int_t kColorPPSD = kGreen ;
247 const Int_t kColorGas = kBlue ;
248 const Int_t kColorAir = kYellow ;
249
250 // Box for a full PHOS module
251
252 new TBRIK( "PPSDBox", "PPSD box", "void", fGeom->GetCPVBoxSize(0)/2,
253 fGeom->GetCPVBoxSize(1)/2,
254 fGeom->GetCPVBoxSize(2)/2 );
255
256 // Box containing one micromegas module
257
258 new TBRIK( "PPSDModule", "PPSD module", "void", fGeom->GetPPSDModuleSize(0)/2,
259 fGeom->GetPPSDModuleSize(1)/2,
260 fGeom->GetPPSDModuleSize(2)/2 );
261 // top lid
262
263 new TBRIK ( "TopLid", "Micromegas top lid", "void", fGeom->GetPPSDModuleSize(0)/2,
264 fGeom->GetLidThickness()/2,
265 fGeom->GetPPSDModuleSize(2)/2 ) ;
266 // composite panel (top and bottom)
267
268 new TBRIK ( "TopPanel", "Composite top panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
269 fGeom->GetCompositeThickness()/2,
270 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
271
272 new TBRIK ( "BottomPanel", "Composite bottom panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
273 fGeom->GetCompositeThickness()/2,
274 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
275 // gas gap (conversion and avalanche)
276
277 new TBRIK ( "GasGap", "gas gap", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
278 ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() )/2,
279 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
280
281 // anode and cathode
282
283 new TBRIK ( "Anode", "Anode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
284 fGeom->GetAnodeThickness()/2,
285 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
286
287 new TBRIK ( "Cathode", "Cathode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
288 fGeom->GetCathodeThickness()/2,
289 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
290 // PC
291
292 new TBRIK ( "PCBoard", "Printed Circuit", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
293 fGeom->GetPCThickness()/2,
294 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
295 // Gap between Lead and top micromegas
296
297 new TBRIK ( "LeadToM", "Air Gap top", "void", fGeom->GetCPVBoxSize(0)/2,
298 fGeom->GetMicro1ToLeadGap()/2,
299 fGeom->GetCPVBoxSize(2)/2 ) ;
300
301// Gap between Lead and bottom micromegas
302
303 new TBRIK ( "MToLead", "Air Gap bottom", "void", fGeom->GetCPVBoxSize(0)/2,
304 fGeom->GetLeadToMicro2Gap()/2,
305 fGeom->GetCPVBoxSize(2)/2 ) ;
306 // Lead converter
307
308 new TBRIK ( "Lead", "Lead converter", "void", fGeom->GetCPVBoxSize(0)/2,
309 fGeom->GetLeadConverterThickness()/2,
310 fGeom->GetCPVBoxSize(2)/2 ) ;
311
312 // position PPSD into ALICE
313
314 char * nodename = new char[20] ;
315 char * rotname = new char[20] ;
316
317 Float_t r = fGeom->GetIPtoTopLidDistance() + fGeom->GetCPVBoxSize(1) / 2.0 ;
318 Int_t number = 988 ;
319 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
320
321 Int_t firstModule = 0 ;
322 if (strcmp(fGeom->GetName(),"GPS2") == 0)
323 firstModule = 1;
324 else if (strcmp(fGeom->GetName(),"MIXT") == 0)
325 firstModule = fGeom->GetNModules() - fGeom->GetNPPSDModules() + 1;
326
327 for( Int_t i = firstModule; i <= fGeom->GetNModules(); i++ ) { // the number of PHOS modules
328 Float_t angle = fGeom->GetPHOSAngle(i) ;
329 sprintf(rotname, "%s%d", "rotg", number+i) ;
330 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
331 top->cd();
332 sprintf(nodename, "%s%d", "Moduleg", i) ;
333 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
334 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
335 TNode * ppsdboxnode = new TNode(nodename , nodename ,"PPSDBox", x, y, 0, rotname ) ;
336 ppsdboxnode->SetLineColor(kColorPPSD) ;
337 fNodes->Add(ppsdboxnode) ;
338 ppsdboxnode->cd() ;
339 // inside the PPSD box:
340 // 1. fNumberOfModulesPhi x fNumberOfModulesZ top micromegas
341 x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
342 {
343 for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module
344 Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
345 TNode * micro1node ;
346 for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module
347 y = ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
348 sprintf(nodename, "%s%d%d%d", "Mic1", i, iphi, iz) ;
349 micro1node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
350 micro1node->SetLineColor(kColorPPSD) ;
351 fNodes->Add(micro1node) ;
352 // inside top micromegas
353 micro1node->cd() ;
354 // a. top lid
355 y = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ;
356 sprintf(nodename, "%s%d%d%d", "Lid", i, iphi, iz) ;
357 TNode * toplidnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ;
358 toplidnode->SetLineColor(kColorPPSD) ;
359 fNodes->Add(toplidnode) ;
360 // b. composite panel
361 y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
362 sprintf(nodename, "%s%d%d%d", "CompU", i, iphi, iz) ;
363 TNode * compupnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ;
364 compupnode->SetLineColor(kColorPPSD) ;
365 fNodes->Add(compupnode) ;
366 // c. anode
367 y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
368 sprintf(nodename, "%s%d%d%d", "Ano", i, iphi, iz) ;
369 TNode * anodenode = new TNode(nodename, nodename, "Anode", 0, y, 0) ;
370 anodenode->SetLineColor(kColorPHOS) ;
371 fNodes->Add(anodenode) ;
372 // d. gas
373 y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
374 sprintf(nodename, "%s%d%d%d", "GGap", i, iphi, iz) ;
375 TNode * ggapnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ;
376 ggapnode->SetLineColor(kColorGas) ;
377 fNodes->Add(ggapnode) ;
378 // f. cathode
379 y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
380 sprintf(nodename, "%s%d%d%d", "Cathode", i, iphi, iz) ;
381 TNode * cathodenode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ;
382 cathodenode->SetLineColor(kColorPHOS) ;
383 fNodes->Add(cathodenode) ;
384 // g. printed circuit
385 y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
386 sprintf(nodename, "%s%d%d%d", "PC", i, iphi, iz) ;
387 TNode * pcnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ;
388 pcnode->SetLineColor(kColorPPSD) ;
389 fNodes->Add(pcnode) ;
390 // h. composite panel
391 y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
392 sprintf(nodename, "%s%d%d%d", "CompDown", i, iphi, iz) ;
393 TNode * compdownnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ;
394 compdownnode->SetLineColor(kColorPPSD) ;
395 fNodes->Add(compdownnode) ;
396 z = z - fGeom->GetPPSDModuleSize(2) ;
397 ppsdboxnode->cd() ;
398 } // end of Z module loop
399 x = x - fGeom->GetPPSDModuleSize(0) ;
400 ppsdboxnode->cd() ;
401 } // end of phi module loop
402 }
403 // 2. air gap
404 ppsdboxnode->cd() ;
405 y = ( fGeom->GetCPVBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
406 sprintf(nodename, "%s%d", "GapUp", i) ;
407 TNode * gapupnode = new TNode(nodename, nodename, "LeadToM", 0, y, 0) ;
408 gapupnode->SetLineColor(kColorAir) ;
409 fNodes->Add(gapupnode) ;
410 // 3. lead converter
411 y = y - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ;
412 sprintf(nodename, "%s%d", "LeadC", i) ;
413 TNode * leadcnode = new TNode(nodename, nodename, "Lead", 0, y, 0) ;
414 leadcnode->SetLineColor(kColorPPSD) ;
415 fNodes->Add(leadcnode) ;
416 // 4. air gap
417 y = y - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ;
418 sprintf(nodename, "%s%d", "GapDown", i) ;
419 TNode * gapdownnode = new TNode(nodename, nodename, "MToLead", 0, y, 0) ;
420 gapdownnode->SetLineColor(kColorAir) ;
421 fNodes->Add(gapdownnode) ;
422 // 5. fNumberOfModulesPhi x fNumberOfModulesZ bottom micromegas
423 x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ;
424 {
425 for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) {
426 Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. - fGeom->GetZDisplacement() ;;
427 TNode * micro2node ;
428 for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) {
429 y = - ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
430 sprintf(nodename, "%s%d%d%d", "Mic2", i, iphi, iz) ;
431 micro2node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
432 micro2node->SetLineColor(kColorPPSD) ;
433 fNodes->Add(micro2node) ;
434 // inside bottom micromegas
435 micro2node->cd() ;
436 // a. top lid
437 y = ( fGeom->GetMicromegas2Thickness() - fGeom->GetLidThickness() ) / 2. ;
438 sprintf(nodename, "%s%d", "Lidb", i) ;
439 TNode * toplidbnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ;
440 toplidbnode->SetLineColor(kColorPPSD) ;
441 fNodes->Add(toplidbnode) ;
442 // b. composite panel
443 y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
444 sprintf(nodename, "%s%d", "CompUb", i) ;
445 TNode * compupbnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ;
446 compupbnode->SetLineColor(kColorPPSD) ;
447 fNodes->Add(compupbnode) ;
448 // c. anode
449 y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
450 sprintf(nodename, "%s%d", "Anob", i) ;
451 TNode * anodebnode = new TNode(nodename, nodename, "Anode", 0, y, 0) ;
452 anodebnode->SetLineColor(kColorPPSD) ;
453 fNodes->Add(anodebnode) ;
454 // d. conversion gas
455 y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
456 sprintf(nodename, "%s%d", "GGapb", i) ;
457 TNode * ggapbnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ;
458 ggapbnode->SetLineColor(kColorGas) ;
459 fNodes->Add(ggapbnode) ;
460 // f. cathode
461 y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
462 sprintf(nodename, "%s%d", "Cathodeb", i) ;
463 TNode * cathodebnode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ;
464 cathodebnode->SetLineColor(kColorPPSD) ;
465 fNodes->Add(cathodebnode) ;
466 // g. printed circuit
467 y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
468 sprintf(nodename, "%s%d", "PCb", i) ;
469 TNode * pcbnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ;
470 pcbnode->SetLineColor(kColorPPSD) ;
471 fNodes->Add(pcbnode) ;
472 // h. composite pane
473 y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
474 sprintf(nodename, "%s%d", "CompDownb", i) ;
475 TNode * compdownbnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ;
476 compdownbnode->SetLineColor(kColorPPSD) ;
477 fNodes->Add(compdownbnode) ;
478 z = z - fGeom->GetPPSDModuleSize(2) ;
479 ppsdboxnode->cd() ;
480 } // end of Z module loop
481 x = x - fGeom->GetPPSDModuleSize(0) ;
482 ppsdboxnode->cd() ;
483 } // end of phi module loop
484 }
485 } // PHOS modules
486
487 delete[] rotname ;
488 delete[] nodename ;
489
490}
491
492//____________________________________________________________________________
493void AliPHOSv0:: BuildGeometryforCPV(void)
494{
495 // Build the PHOS-CPV geometry for the ROOT display
496 // Author: Yuri Kharlov 11 September 2000
497 //
498 //BEGIN_HTML
499 /*
500 <H2>
501 CPV displayed by root
502 </H2>
503 <table width=700>
504
505 <tr>
506 <td>CPV perspective view</td>
507 <td>CPV front view </td>
508 </tr>
509
510 <tr>
511 <td> <img height=300 width=290 src="../images/CPVRootPersp.gif"> </td>
512 <td> <img height=300 width=290 src="../images/CPVRootFront.gif"> </td>
513 </tr>
514
515 </table>
516
517 */
518 //END_HTML
519
520 const Double_t kRADDEG = 180.0 / kPI ;
521 const Int_t kColorCPV = kGreen ;
522 const Int_t kColorFrame = kYellow ;
523 const Int_t kColorGassiplex = kRed;
524 const Int_t kColorPCB = kCyan;
525
526 // Box for a full PHOS module
527
528 new TBRIK ("CPVBox", "CPV box", "void", fGeom->GetCPVBoxSize(0)/2,
529 fGeom->GetCPVBoxSize(1)/2,
530 fGeom->GetCPVBoxSize(2)/2 );
531 new TBRIK ("CPVFrameLR", "CPV frame Left-Right", "void", fGeom->GetCPVFrameSize(0)/2,
532 fGeom->GetCPVFrameSize(1)/2,
533 fGeom->GetCPVBoxSize(2)/2 );
534 new TBRIK ("CPVFrameUD", "CPV frame Up-Down", "void", fGeom->GetCPVBoxSize(0)/2 - fGeom->GetCPVFrameSize(0),
535 fGeom->GetCPVFrameSize(1)/2,
536 fGeom->GetCPVFrameSize(2)/2);
537 new TBRIK ("CPVPCB", "CPV PCB", "void", fGeom->GetCPVActiveSize(0)/2,
538 fGeom->GetCPVTextoliteThickness()/2,
539 fGeom->GetCPVActiveSize(1)/2);
540 new TBRIK ("CPVGassiplex", "CPV Gassiplex PCB", "void", fGeom->GetGassiplexChipSize(0)/2,
541 fGeom->GetGassiplexChipSize(1)/2,
542 fGeom->GetGassiplexChipSize(2)/2);
543
544 // position CPV into ALICE
545
546 char * nodename = new char[25] ;
547 char * rotname = new char[25] ;
548
549 Float_t r = fGeom->GetIPtoCPVDistance() + fGeom->GetCPVBoxSize(1) / 2.0 ;
550 Int_t number = 988 ;
551 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
552
553 Int_t lastModule = 0 ;
554 if (strcmp(fGeom->GetName(),"IHEP") == 0)
555 lastModule = fGeom->GetNModules();
556 else if (strcmp(fGeom->GetName(),"MIXT") == 0)
557 lastModule = fGeom->GetNModules() - fGeom->GetNPPSDModules();
558
559 for( Int_t i = 1; i <= lastModule; i++ ) { // the number of PHOS modules
560
561 // One CPV module
562
563 Float_t angle = fGeom->GetPHOSAngle(i) ;
564 sprintf(rotname, "%s%d", "rotg", number+i) ;
565 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
566 top->cd();
567 sprintf(nodename, "%s%d", "CPVModule", i) ;
568 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
569 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
570 Float_t z;
571 TNode * cpvBoxNode = new TNode(nodename , nodename ,"CPVBox", x, y, 0, rotname ) ;
572 cpvBoxNode->SetLineColor(kColorCPV) ;
573 fNodes->Add(cpvBoxNode) ;
574 cpvBoxNode->cd() ;
575
576 // inside each CPV box:
577
578 // Frame around CPV
579 Int_t j;
580 for (j=0; j<=1; j++) {
581 sprintf(nodename, "CPVModule%d Frame%d", i, j+1) ;
582 x = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(0) - fGeom->GetCPVFrameSize(0)) / 2;
583 TNode * cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameLR", x, 0, 0) ;
584 cpvFrameNode->SetLineColor(kColorFrame) ;
585 fNodes->Add(cpvFrameNode) ;
586
587 sprintf(nodename, "CPVModule%d Frame%d", i, j+3) ;
588 z = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(2) - fGeom->GetCPVFrameSize(2)) / 2;
589 cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameUD", 0, 0, z) ;
590 cpvFrameNode->SetLineColor(kColorFrame) ;
591 fNodes->Add(cpvFrameNode) ;
592 }
593
594 // 4 printed circuit boards
595 for (j=0; j<4; j++) {
596 sprintf(nodename, "CPVModule%d PCB%d", i, j+1) ;
597 y = fGeom->GetCPVFrameSize(1) / 2 - fGeom->GetFTPosition(j) + fGeom->GetCPVTextoliteThickness()/2;
598 TNode * cpvPCBNode = new TNode(nodename , nodename ,"CPVPCB", 0, y, 0) ;
599 cpvPCBNode->SetLineColor(kColorPCB) ;
600 fNodes->Add(cpvPCBNode) ;
601 }
602
603 // Gassiplex chips
604 Float_t xStep = fGeom->GetCPVActiveSize(0) / (fGeom->GetNumberOfCPVChipsPhi() + 1);
605 Float_t zStep = fGeom->GetCPVActiveSize(1) / (fGeom->GetNumberOfCPVChipsZ() + 1);
606 y = fGeom->GetCPVFrameSize(1)/2 - fGeom->GetFTPosition(0) +
607 fGeom->GetCPVTextoliteThickness() / 2 + fGeom->GetGassiplexChipSize(1) / 2 + 0.1;
608 for (Int_t ix=0; ix<fGeom->GetNumberOfCPVChipsPhi(); ix++) {
609 x = xStep * (ix+1) - fGeom->GetCPVActiveSize(0)/2;
610 for (Int_t iz=0; iz<fGeom->GetNumberOfCPVChipsZ(); iz++) {
611 z = zStep * (iz+1) - fGeom->GetCPVActiveSize(1)/2;
612 sprintf(nodename, "CPVModule%d Chip(%dx%d)", i, ix+1,iz+1) ;
613 TNode * cpvGassiplexNode = new TNode(nodename , nodename ,"CPVGassiplex", x, y, z) ;
614 cpvGassiplexNode->SetLineColor(kColorGassiplex) ;
615 fNodes->Add(cpvGassiplexNode) ;
616 }
617 }
618
619 } // PHOS modules
620
621 delete[] rotname ;
622 delete[] nodename ;
623}
624
625//____________________________________________________________________________
626void AliPHOSv0::CreateGeometry()
627{
628 // Create the PHOS geometry for Geant
629
630 AliPHOSv0 *phostmp = (AliPHOSv0*)gAlice->GetModule("PHOS") ;
631
632 if ( phostmp == NULL ) {
633
634 fprintf(stderr, "PHOS detector not found!\n") ;
635 return;
636
637 }
638 // Get pointer to the array containing media indeces
639 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
640
641 // Create a box a PHOS module.
642 // In case of MIXT geometry 2 different boxes are needed
643
644 Float_t bigbox[3] ;
645 bigbox[0] = fGeom->GetOuterBoxSize(0) / 2.0 ;
646 bigbox[1] = ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ;
647 bigbox[2] = fGeom->GetOuterBoxSize(2) / 2.0 ;
648
649 gMC->Gsvolu("PHOS", "BOX ", idtmed[798], bigbox, 3) ;
650
651 if ( strcmp( fGeom->GetName(),"MIXT") == 0 && fGeom->GetNPPSDModules() > 0)
652 gMC->Gsvolu("PHO1", "BOX ", idtmed[798], bigbox, 3) ;
653
654 this->CreateGeometryforPHOS() ;
655 if ( strcmp( fGeom->GetName(), "GPS2") == 0 )
656 this->CreateGeometryforPPSD() ;
657 else if ( strcmp( fGeom->GetName(), "IHEP") == 0 )
658 this->CreateGeometryforCPV() ;
659 else if ( strcmp( fGeom->GetName(), "MIXT") == 0 ) {
660 this->CreateGeometryforPPSD() ;
661 this->CreateGeometryforCPV() ;
662 }
663 else
664 cout << "AliPHOSv0::CreateGeometry : no charged particle identification system installed" << endl;
665
666 this->CreateGeometryforSupport() ;
667
668 // --- Position PHOS mdules in ALICE setup ---
669
670 Int_t idrotm[99] ;
671 Double_t const kRADDEG = 180.0 / kPI ;
672
673 Int_t lastModule;
674 if (strcmp(fGeom->GetName(),"MIXT") == 0)
675 lastModule = fGeom->GetNModules() - fGeom->GetNPPSDModules();
676 else
677 lastModule = fGeom->GetNModules();
678
679 Int_t i;
680 for( i = 1; i <= lastModule ; i++ ) {
681
682 Float_t angle = fGeom->GetPHOSAngle(i) ;
683 AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ;
684
685 Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ;
686
687 Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
688 Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
689
690 gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
691
692 } // for GetNModules
693
694 for( i = lastModule+1; i <= fGeom->GetNModules(); i++ ) {
695
696 Float_t angle = fGeom->GetPHOSAngle(i) ;
697 AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ;
698
699 Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ;
700
701 Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
702 Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
703
704 gMC->Gspos("PHO1", i-lastModule, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
705
706 } // for GetNModules
707
708}
709
710//____________________________________________________________________________
711void AliPHOSv0::CreateGeometryforPHOS()
712{
713 // Create the PHOS-EMC geometry for GEANT
714 //BEGIN_HTML
715 /*
716 <H2>
717 Geant3 geometry tree of PHOS-EMC in ALICE
718 </H2>
719 <P><CENTER>
720 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif">
721 </CENTER><P>
722 */
723 //END_HTML
724
725 // Get pointer to the array containing media indexes
726 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
727
728 // ---
729 // --- Define PHOS box volume, fPUFPill with thermo insulating foam ---
730 // --- Foam Thermo Insulating outer cover dimensions ---
731 // --- Put it in bigbox = PHOS
732
733 Float_t dphos[3] ;
734 dphos[0] = fGeom->GetOuterBoxSize(0) / 2.0 ;
735 dphos[1] = fGeom->GetOuterBoxSize(1) / 2.0 ;
736 dphos[2] = fGeom->GetOuterBoxSize(2) / 2.0 ;
737
738 gMC->Gsvolu("PEMC", "BOX ", idtmed[706], dphos, 3) ;
739
740 Float_t yO = - fGeom->GetCPVBoxSize(1) / 2.0 ;
741
742 gMC->Gspos("PEMC", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
743 if ( strcmp( fGeom->GetName(),"MIXT") == 0 && fGeom->GetNPPSDModules() > 0)
744 gMC->Gspos("PEMC", 1, "PHO1", 0.0, yO, 0.0, 0, "ONLY") ;
745
746 // ---
747 // --- Define Textolit Wall box, position inside PEMC ---
748 // --- Textolit Wall box dimentions ---
749
750
751 Float_t dptxw[3];
752 dptxw[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ;
753 dptxw[1] = fGeom->GetTextolitBoxSize(1) / 2.0 ;
754 dptxw[2] = fGeom->GetTextolitBoxSize(2) / 2.0 ;
755
756 gMC->Gsvolu("PTXW", "BOX ", idtmed[707], dptxw, 3);
757
758 yO = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ;
759
760 gMC->Gspos("PTXW", 1, "PEMC", 0.0, yO, 0.0, 0, "ONLY") ;
761
762 // ---
763 // --- Define Upper Polystyrene Foam Plate, place inside PTXW ---
764 // --- immediately below Foam Thermo Insulation Upper plate ---
765
766 // --- Upper Polystyrene Foam plate thickness ---
767
768 Float_t dpufp[3] ;
769 dpufp[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ;
770 dpufp[1] = fGeom->GetSecondUpperPlateThickness() / 2. ;
771 dpufp[2] = fGeom->GetTextolitBoxSize(2) /2.0 ;
772
773 gMC->Gsvolu("PUFP", "BOX ", idtmed[703], dpufp, 3) ;
774
775 yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ;
776
777 gMC->Gspos("PUFP", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ;
778
779 // ---
780 // --- Define air-filled box, place inside PTXW ---
781 // --- Inner AIR volume dimensions ---
782
783
784 Float_t dpair[3] ;
785 dpair[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
786 dpair[1] = fGeom->GetAirFilledBoxSize(1) / 2.0 ;
787 dpair[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
788
789 gMC->Gsvolu("PAIR", "BOX ", idtmed[798], dpair, 3) ;
790
791 yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ;
792
793 gMC->Gspos("PAIR", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ;
794
795// --- Dimensions of PbWO4 crystal ---
796
797 Float_t xtlX = fGeom->GetCrystalSize(0) ;
798 Float_t xtlY = fGeom->GetCrystalSize(1) ;
799 Float_t xtlZ = fGeom->GetCrystalSize(2) ;
800
801 Float_t dptcb[3] ;
802 dptcb[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
803 dptcb[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0
804 + fGeom->GetModuleBoxThickness() / 2.0 ;
805 dptcb[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
806
807 gMC->Gsvolu("PTCB", "BOX ", idtmed[706], dptcb, 3) ;
808
809 yO = fGeom->GetAirFilledBoxSize(1) / 2.0 - dptcb[1]
810 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
811 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ;
812
813 gMC->Gspos("PTCB", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
814
815 // ---
816 // --- Define Crystal BLock filled with air, position it inside PTCB ---
817 Float_t dpcbl[3] ;
818
819 dpcbl[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ;
820 dpcbl[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
821 dpcbl[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ;
822
823 gMC->Gsvolu("PCBL", "BOX ", idtmed[798], dpcbl, 3) ;
824
825 // --- Divide PCBL in X (phi) and Z directions --
826 gMC->Gsdvn("PROW", "PCBL", Int_t (fGeom->GetNPhi()), 1) ;
827 gMC->Gsdvn("PCEL", "PROW", Int_t (fGeom->GetNZ()), 3) ;
828
829 yO = -fGeom->GetModuleBoxThickness() / 2.0 ;
830
831 gMC->Gspos("PCBL", 1, "PTCB", 0.0, yO, 0.0, 0, "ONLY") ;
832
833 // ---
834 // --- Define STeel (actually, it's titanium) Cover volume, place inside PCEL
835 Float_t dpstc[3] ;
836
837 dpstc[0] = ( xtlX + 2 * fGeom->GetCrystalWrapThickness() ) / 2.0 ;
838 dpstc[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
839 dpstc[2] = ( xtlZ + 2 * fGeom->GetCrystalWrapThickness() + 2 * fGeom->GetCrystalHolderThickness() ) / 2.0 ;
840
841 gMC->Gsvolu("PSTC", "BOX ", idtmed[704], dpstc, 3) ;
842
843 gMC->Gspos("PSTC", 1, "PCEL", 0.0, 0.0, 0.0, 0, "ONLY") ;
844
845 // ---
846 // --- Define Tyvek volume, place inside PSTC ---
847 Float_t dppap[3] ;
848
849 dppap[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ;
850 dppap[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ;
851 dppap[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ;
852
853 gMC->Gsvolu("PPAP", "BOX ", idtmed[702], dppap, 3) ;
854
855 yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0
856 - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
857
858 gMC->Gspos("PPAP", 1, "PSTC", 0.0, yO, 0.0, 0, "ONLY") ;
859
860 // ---
861 // --- Define PbWO4 crystal volume, place inside PPAP ---
862 Float_t dpxtl[3] ;
863
864 dpxtl[0] = xtlX / 2.0 ;
865 dpxtl[1] = xtlY / 2.0 ;
866 dpxtl[2] = xtlZ / 2.0 ;
867
868 gMC->Gsvolu("PXTL", "BOX ", idtmed[699], dpxtl, 3) ;
869
870 yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 - xtlY / 2.0 - fGeom->GetCrystalWrapThickness() ;
871
872 gMC->Gspos("PXTL", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ;
873
874 // ---
875 // --- Define crystal support volume, place inside PPAP ---
876 Float_t dpsup[3] ;
877
878 dpsup[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ;
879 dpsup[1] = fGeom->GetCrystalSupportHeight() / 2.0 ;
880 dpsup[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ;
881
882 gMC->Gsvolu("PSUP", "BOX ", idtmed[798], dpsup, 3) ;
883
884 yO = fGeom->GetCrystalSupportHeight() / 2.0 - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ;
885
886 gMC->Gspos("PSUP", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ;
887
888 // ---
889 // --- Define PIN-diode volume and position it inside crystal support ---
890 // --- right behind PbWO4 crystal
891
892 // --- PIN-diode dimensions ---
893
894
895 Float_t dppin[3] ;
896 dppin[0] = fGeom->GetPinDiodeSize(0) / 2.0 ;
897 dppin[1] = fGeom->GetPinDiodeSize(1) / 2.0 ;
898 dppin[2] = fGeom->GetPinDiodeSize(2) / 2.0 ;
899
900 gMC->Gsvolu("PPIN", "BOX ", idtmed[705], dppin, 3) ;
901
902 yO = fGeom->GetCrystalSupportHeight() / 2.0 - fGeom->GetPinDiodeSize(1) / 2.0 ;
903
904 gMC->Gspos("PPIN", 1, "PSUP", 0.0, yO, 0.0, 0, "ONLY") ;
905
906 // ---
907 // --- Define Upper Cooling Panel, place it on top of PTCB ---
908 Float_t dpucp[3] ;
909 // --- Upper Cooling Plate thickness ---
910
911 dpucp[0] = dptcb[0] ;
912 dpucp[1] = fGeom->GetUpperCoolingPlateThickness() ;
913 dpucp[2] = dptcb[2] ;
914
915 gMC->Gsvolu("PUCP", "BOX ", idtmed[701], dpucp,3) ;
916
917 yO = fGeom->GetAirFilledBoxSize(1) / 2.
918 -( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
919 -fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() - fGeom->GetUpperCoolingPlateThickness() ) ;
920
921 gMC->Gspos("PUCP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
922
923 // ---
924 // --- Define Al Support Plate, position it inside PAIR ---
925 // --- right beneath PTCB ---
926 // --- Al Support Plate thickness ---
927
928 Float_t dpasp[3] ;
929 dpasp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
930 dpasp[1] = fGeom->GetSupportPlateThickness() / 2.0 ;
931 dpasp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
932
933 gMC->Gsvolu("PASP", "BOX ", idtmed[701], dpasp, 3) ;
934
935 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetSupportPlateThickness() ) / 2.
936 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance()
937 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 ) ;
938
939 gMC->Gspos("PASP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
940
941 // ---
942 // --- Define Thermo Insulating Plate, position it inside PAIR ---
943 // --- right beneath PASP ---
944 // --- Lower Thermo Insulating Plate thickness ---
945
946 Float_t dptip[3] ;
947 dptip[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
948 dptip[1] = fGeom->GetLowerThermoPlateThickness() / 2.0 ;
949 dptip[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
950
951 gMC->Gsvolu("PTIP", "BOX ", idtmed[706], dptip, 3) ;
952
953 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerThermoPlateThickness() ) / 2.
954 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness()
955 - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness() ) ;
956
957 gMC->Gspos("PTIP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
958
959 // ---
960 // --- Define Textolit Plate, position it inside PAIR ---
961 // --- right beneath PTIP ---
962 // --- Lower Textolit Plate thickness ---
963
964 Float_t dptxp[3] ;
965 dptxp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
966 dptxp[1] = fGeom->GetLowerTextolitPlateThickness() / 2.0 ;
967 dptxp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
968
969 gMC->Gsvolu("PTXP", "BOX ", idtmed[707], dptxp, 3) ;
970
971 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerTextolitPlateThickness() ) / 2.
972 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness()
973 - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness()
974 + fGeom->GetLowerThermoPlateThickness() ) ;
975
976 gMC->Gspos("PTXP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
977
978}
979
980//____________________________________________________________________________
981void AliPHOSv0::CreateGeometryforPPSD()
982{
983 // Create the PHOS-PPSD geometry for GEANT
984 //BEGIN_HTML
985 /*
986 <H2>
987 Geant3 geometry tree of PHOS-PPSD in ALICE
988 </H2>
989 <P><CENTER>
990 <IMG Align=BOTTOM ALT="PPSD geant tree" SRC="../images/PPSDinAlice.gif">
991 </CENTER><P>
992 */
993 //END_HTML
994
995 // Get pointer to the array containing media indexes
996 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
997
998 // The box containing all ppsd's for one PHOS module filled with air
999 Float_t ppsd[3] ;
1000 ppsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
1001 ppsd[1] = fGeom->GetCPVBoxSize(1) / 2.0 ;
1002 ppsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
1003
1004 gMC->Gsvolu("PPSD", "BOX ", idtmed[798], ppsd, 3) ;
1005
1006 Float_t yO = fGeom->GetOuterBoxSize(1) / 2.0 ;
1007
1008 if ( strcmp( fGeom->GetName(),"MIXT") == 0 && fGeom->GetNPPSDModules() > 0)
1009 gMC->Gspos("PPSD", 1, "PHO1", 0.0, yO, 0.0, 0, "ONLY") ;
1010 else
1011 gMC->Gspos("PPSD", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
1012
1013 // Now we build a micromegas module
1014 // The box containing the whole module filled with epoxy (FR4)
1015
1016 Float_t mppsd[3] ;
1017 mppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ;
1018 mppsd[1] = fGeom->GetPPSDModuleSize(1) / 2.0 ;
1019 mppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ;
1020
1021 gMC->Gsvolu("PMPP", "BOX ", idtmed[708], mppsd, 3) ;
1022
1023 // Inside mppsd :
1024 // 1. The Top Lid made of epoxy (FR4)
1025
1026 Float_t tlppsd[3] ;
1027 tlppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ;
1028 tlppsd[1] = fGeom->GetLidThickness() / 2.0 ;
1029 tlppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ;
1030
1031 gMC->Gsvolu("PTLP", "BOX ", idtmed[708], tlppsd, 3) ;
1032
1033 Float_t y0 = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ;
1034
1035 gMC->Gspos("PTLP", 1, "PMPP", 0.0, y0, 0.0, 0, "ONLY") ;
1036
1037 // 2. the upper panel made of composite material
1038
1039 Float_t upppsd[3] ;
1040 upppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1041 upppsd[1] = fGeom->GetCompositeThickness() / 2.0 ;
1042 upppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1043
1044 gMC->Gsvolu("PUPP", "BOX ", idtmed[709], upppsd, 3) ;
1045
1046 y0 = y0 - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
1047
1048 gMC->Gspos("PUPP", 1, "PMPP", 0.0, y0, 0.0, 0, "ONLY") ;
1049
1050 // 3. the anode made of Copper
1051
1052 Float_t anppsd[3] ;
1053 anppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1054 anppsd[1] = fGeom->GetAnodeThickness() / 2.0 ;
1055 anppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1056
1057 gMC->Gsvolu("PANP", "BOX ", idtmed[710], anppsd, 3) ;
1058
1059 y0 = y0 - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
1060
1061 gMC->Gspos("PANP", 1, "PMPP", 0.0, y0, 0.0, 0, "ONLY") ;
1062
1063 // 4. the conversion gap + avalanche gap filled with gas
1064
1065 Float_t ggppsd[3] ;
1066 ggppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1067 ggppsd[1] = ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2.0 ;
1068 ggppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1069
1070 gMC->Gsvolu("PGGP", "BOX ", idtmed[715], ggppsd, 3) ;
1071
1072 // --- Divide GGPP in X (phi) and Z directions --
1073 gMC->Gsdvn("PPRO", "PGGP", fGeom->GetNumberOfPadsPhi(), 1) ;
1074 gMC->Gsdvn("PPCE", "PPRO", fGeom->GetNumberOfPadsZ() , 3) ;
1075
1076 y0 = y0 - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
1077
1078 gMC->Gspos("PGGP", 1, "PMPP", 0.0, y0, 0.0, 0, "ONLY") ;
1079
1080
1081 // 6. the cathode made of Copper
1082
1083 Float_t cappsd[3] ;
1084 cappsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1085 cappsd[1] = fGeom->GetCathodeThickness() / 2.0 ;
1086 cappsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1087
1088 gMC->Gsvolu("PCAP", "BOX ", idtmed[710], cappsd, 3) ;
1089
1090 y0 = y0 - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
1091
1092 gMC->Gspos("PCAP", 1, "PMPP", 0.0, y0, 0.0, 0, "ONLY") ;
1093
1094 // 7. the printed circuit made of G10
1095
1096 Float_t pcppsd[3] ;
1097 pcppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2,.0 ;
1098 pcppsd[1] = fGeom->GetPCThickness() / 2.0 ;
1099 pcppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1100
1101 gMC->Gsvolu("PCPS", "BOX ", idtmed[711], cappsd, 3) ;
1102
1103 y0 = y0 - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
1104
1105 gMC->Gspos("PCPS", 1, "PMPP", 0.0, y0, 0.0, 0, "ONLY") ;
1106
1107 // 8. the lower panel made of composite material
1108
1109 Float_t lpppsd[3] ;
1110 lpppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1111 lpppsd[1] = fGeom->GetCompositeThickness() / 2.0 ;
1112 lpppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1113
1114 gMC->Gsvolu("PLPP", "BOX ", idtmed[709], lpppsd, 3) ;
1115
1116 y0 = y0 - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
1117
1118 gMC->Gspos("PLPP", 1, "PMPP", 0.0, y0, 0.0, 0, "ONLY") ;
1119
1120 // Position the fNumberOfModulesPhi x fNumberOfModulesZ modules (mppsd) inside PPSD to cover a PHOS module
1121 // the top and bottom one's (which are assumed identical) :
1122
1123 Float_t yt = ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
1124 Float_t yb = - ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
1125
1126 Int_t copyNumbertop = 0 ;
1127 Int_t copyNumberbot = fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() ;
1128
1129 Float_t x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
1130
1131 for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module
1132 Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
1133
1134 for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module
1135 gMC->Gspos("PMPP", ++copyNumbertop, "PPSD", x, yt, z, 0, "ONLY") ;
1136 gMC->Gspos("PMPP", ++copyNumberbot, "PPSD", x, yb, z, 0, "ONLY") ;
1137 z = z - fGeom->GetPPSDModuleSize(2) ;
1138 } // end of Z module loop
1139 x = x - fGeom->GetPPSDModuleSize(0) ;
1140 } // end of phi module loop
1141
1142 // The Lead converter between two air gaps
1143 // 1. Upper air gap
1144
1145 Float_t uappsd[3] ;
1146 uappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
1147 uappsd[1] = fGeom->GetMicro1ToLeadGap() / 2.0 ;
1148 uappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
1149
1150 gMC->Gsvolu("PUAPPS", "BOX ", idtmed[798], uappsd, 3) ;
1151
1152 y0 = ( fGeom->GetCPVBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
1153
1154 gMC->Gspos("PUAPPS", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
1155
1156 // 2. Lead converter
1157
1158 Float_t lcppsd[3] ;
1159 lcppsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
1160 lcppsd[1] = fGeom->GetLeadConverterThickness() / 2.0 ;
1161 lcppsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
1162
1163 gMC->Gsvolu("PLCPPS", "BOX ", idtmed[712], lcppsd, 3) ;
1164
1165 y0 = y0 - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ;
1166
1167 gMC->Gspos("PLCPPS", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
1168
1169 // 3. Lower air gap
1170
1171 Float_t lappsd[3] ;
1172 lappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
1173 lappsd[1] = fGeom->GetLeadToMicro2Gap() / 2.0 ;
1174 lappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
1175
1176 gMC->Gsvolu("PLAPPS", "BOX ", idtmed[798], lappsd, 3) ;
1177
1178 y0 = y0 - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ;
1179
1180 gMC->Gspos("PLAPPS", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
1181
1182}
1183
1184
1185//____________________________________________________________________________
1186void AliPHOSv0::CreateGeometryforCPV()
1187{
1188 // Create the PHOS-CPV geometry for GEANT
1189 // Author: Yuri Kharlov 11 September 2000
1190 //BEGIN_HTML
1191 /*
1192 <H2>
1193 Geant3 geometry of PHOS-CPV in ALICE
1194 </H2>
1195 <table width=700>
1196
1197 <tr>
1198 <td>CPV perspective view</td>
1199 <td>CPV front view </td>
1200 </tr>
1201
1202 <tr>
1203 <td> <img height=300 width=290 src="../images/CPVallPersp.gif"> </td>
1204 <td> <img height=300 width=290 src="../images/CPVallFront.gif"> </td>
1205 </tr>
1206
1207 <tr>
1208 <td>One CPV module, perspective view </td>
1209 <td>One CPV module, front view (extended in vertical direction) </td>
1210 </tr>
1211
1212 <tr>
1213 <td><img height=300 width=290 src="../images/CPVmodulePers.gif"></td>
1214 <td><img height=300 width=290 src="../images/CPVmoduleSide.gif"></td>
1215 </tr>
1216
1217 </table>
1218
1219 <H2>
1220 Geant3 geometry tree of PHOS-CPV in ALICE
1221 </H2>
1222 <center>
1223 <img height=300 width=290 src="../images/CPVtree.gif">
1224 </center>
1225 */
1226 //END_HTML
1227
1228 Float_t par[3], x,y,z;
1229
1230 // Get pointer to the array containing media indexes
1231 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
1232
1233 // The box containing all CPV for one PHOS module filled with air
1234 par[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
1235 par[1] = fGeom->GetCPVBoxSize(1) / 2.0 ;
1236 par[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
1237 gMC->Gsvolu("PCPV", "BOX ", idtmed[798], par, 3) ;
1238
1239 y = fGeom->GetOuterBoxSize(1) / 2.0 ;
1240 gMC->Gspos("PCPV", 1, "PHOS", 0.0, y, 0.0, 0, "ONLY") ;
1241
1242 // Gassiplex board
1243
1244 par[0] = fGeom->GetGassiplexChipSize(0)/2.;
1245 par[1] = fGeom->GetGassiplexChipSize(1)/2.;
1246 par[2] = fGeom->GetGassiplexChipSize(2)/2.;
1247 gMC->Gsvolu("PCPC","BOX ",idtmed[707],par,3);
1248
1249 // Cu+Ni foil covers Gassiplex board
1250
1251 par[1] = fGeom->GetCPVCuNiFoilThickness()/2;
1252 gMC->Gsvolu("PCPD","BOX ",idtmed[710],par,3);
1253 y = -(fGeom->GetGassiplexChipSize(1)/2 - par[1]);
1254 gMC->Gspos("PCPD",1,"PCPC",0,y,0,0,"ONLY");
1255
1256 // Position of the chip inside CPV
1257
1258 Float_t xStep = fGeom->GetCPVActiveSize(0) / (fGeom->GetNumberOfCPVChipsPhi() + 1);
1259 Float_t zStep = fGeom->GetCPVActiveSize(1) / (fGeom->GetNumberOfCPVChipsZ() + 1);
1260 Int_t copy = 0;
1261 y = fGeom->GetCPVFrameSize(1)/2 - fGeom->GetFTPosition(0) +
1262 fGeom->GetCPVTextoliteThickness() / 2 + fGeom->GetGassiplexChipSize(1) / 2 + 0.1;
1263 for (Int_t ix=0; ix<fGeom->GetNumberOfCPVChipsPhi(); ix++) {
1264 x = xStep * (ix+1) - fGeom->GetCPVActiveSize(0)/2;
1265 for (Int_t iz=0; iz<fGeom->GetNumberOfCPVChipsZ(); iz++) {
1266 copy++;
1267 z = zStep * (iz+1) - fGeom->GetCPVActiveSize(1)/2;
1268 gMC->Gspos("PCPC",copy,"PCPV",x,y,z,0,"ONLY");
1269 }
1270 }
1271
1272 // Foiled textolite (1 mm of textolite + 50 mkm of Cu + 6 mkm of Ni)
1273
1274 par[0] = fGeom->GetCPVActiveSize(0) / 2;
1275 par[1] = fGeom->GetCPVTextoliteThickness() / 2;
1276 par[2] = fGeom->GetCPVActiveSize(1) / 2;
1277 gMC->Gsvolu("PCPF","BOX ",idtmed[707],par,3);
1278
1279 // Argon gas volume
1280
1281 par[1] = (fGeom->GetFTPosition(2) - fGeom->GetFTPosition(1) - fGeom->GetCPVTextoliteThickness()) / 2;
1282 gMC->Gsvolu("PCPG","BOX ",idtmed[715],par,3);
1283
1284 for (Int_t i=0; i<4; i++) {
1285 y = fGeom->GetCPVFrameSize(1) / 2 - fGeom->GetFTPosition(i) + fGeom->GetCPVTextoliteThickness()/2;
1286 gMC->Gspos("PCPF",i+1,"PCPV",0,y,0,0,"ONLY");
1287 if(i==1){
1288 y-= (fGeom->GetFTPosition(2) - fGeom->GetFTPosition(1)) / 2;
1289 gMC->Gspos("PCPG",1,"PCPV ",0,y,0,0,"ONLY");
1290 }
1291 }
1292
1293 // Dummy sensitive plane in the middle of argone gas volume
1294
1295 par[1]=0.001;
1296 gMC->Gsvolu("PCPQ","BOX ",idtmed[715],par,3);
1297 gMC->Gspos ("PCPQ",1,"PCPG",0,0,0,0,"ONLY");
1298
1299 // Cu+Ni foil covers textolite
1300
1301 par[1] = fGeom->GetCPVCuNiFoilThickness() / 2;
1302 gMC->Gsvolu("PCP1","BOX ",idtmed[710],par,3);
1303 y = fGeom->GetCPVTextoliteThickness()/2 - par[1];
1304 gMC->Gspos ("PCP1",1,"PCPF",0,y,0,0,"ONLY");
1305
1306 // Aluminum frame around CPV
1307
1308 par[0] = fGeom->GetCPVFrameSize(0)/2;
1309 par[1] = fGeom->GetCPVFrameSize(1)/2;
1310 par[2] = fGeom->GetCPVBoxSize(2) /2;
1311 gMC->Gsvolu("PCF1","BOX ",idtmed[701],par,3);
1312
1313 par[0] = fGeom->GetCPVBoxSize(0)/2 - fGeom->GetCPVFrameSize(0);
1314 par[1] = fGeom->GetCPVFrameSize(1)/2;
1315 par[2] = fGeom->GetCPVFrameSize(2)/2;
1316 gMC->Gsvolu("PCF2","BOX ",idtmed[701],par,3);
1317
1318 for (Int_t j=0; j<=1; j++) {
1319 x = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(0) - fGeom->GetCPVFrameSize(0)) / 2;
1320 gMC->Gspos("PCF1",j+1,"PCPV", x,0,0,0,"ONLY");
1321 z = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(2) - fGeom->GetCPVFrameSize(2)) / 2;
1322 gMC->Gspos("PCF2",j+1,"PCPV",0, 0,z,0,"ONLY");
1323 }
1324
1325}
1326
1327
1328//____________________________________________________________________________
1329void AliPHOSv0::CreateGeometryforSupport()
1330{
1331 // Create the PHOS' support geometry for GEANT
1332 //BEGIN_HTML
1333 /*
1334 <H2>
1335 Geant3 geometry of the PHOS's support
1336 </H2>
1337 <P><CENTER>
1338 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/PHOS_support.gif">
1339 </CENTER><P>
1340 */
1341 //END_HTML
1342
1343 Float_t par[5], x0,y0,z0 ;
1344 Int_t i,j,copy;
1345
1346 // Get pointer to the array containing media indexes
1347 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
1348
1349 // --- Dummy box containing two rails on which PHOS support moves
1350 // --- Put these rails to the bottom of the L3 magnet
1351
1352 par[0] = fGeom->GetRailRoadSize(0) / 2.0 ;
1353 par[1] = fGeom->GetRailRoadSize(1) / 2.0 ;
1354 par[2] = fGeom->GetRailRoadSize(2) / 2.0 ;
1355 gMC->Gsvolu("PRRD", "BOX ", idtmed[798], par, 3) ;
1356
1357 y0 = -(fGeom->GetRailsDistanceFromIP() - fGeom->GetRailRoadSize(1) / 2.0) ;
1358 gMC->Gspos("PRRD", 1, "ALIC", 0.0, y0, 0.0, 0, "ONLY") ;
1359
1360 // --- Dummy box containing one rail
1361
1362 par[0] = fGeom->GetRailOuterSize(0) / 2.0 ;
1363 par[1] = fGeom->GetRailOuterSize(1) / 2.0 ;
1364 par[2] = fGeom->GetRailOuterSize(2) / 2.0 ;
1365 gMC->Gsvolu("PRAI", "BOX ", idtmed[798], par, 3) ;
1366
1367 for (i=0; i<2; i++) {
1368 x0 = (2*i-1) * fGeom->GetDistanceBetwRails() / 2.0 ;
1369 gMC->Gspos("PRAI", i, "PRRD", x0, 0.0, 0.0, 0, "ONLY") ;
1370 }
1371
1372 // --- Upper and bottom steel parts of the rail
1373
1374 par[0] = fGeom->GetRailPart1(0) / 2.0 ;
1375 par[1] = fGeom->GetRailPart1(1) / 2.0 ;
1376 par[2] = fGeom->GetRailPart1(2) / 2.0 ;
1377 gMC->Gsvolu("PRP1", "BOX ", idtmed[716], par, 3) ;
1378
1379 y0 = - (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart1(1)) / 2.0 ;
1380 gMC->Gspos("PRP1", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
1381 y0 = (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart1(1)) / 2.0 - fGeom->GetRailPart3(1);
1382 gMC->Gspos("PRP1", 2, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
1383
1384 // --- The middle vertical steel parts of the rail
1385
1386 par[0] = fGeom->GetRailPart2(0) / 2.0 ;
1387 par[1] = fGeom->GetRailPart2(1) / 2.0 ;
1388 par[2] = fGeom->GetRailPart2(2) / 2.0 ;
1389 gMC->Gsvolu("PRP2", "BOX ", idtmed[716], par, 3) ;
1390
1391 y0 = - fGeom->GetRailPart3(1) / 2.0 ;
1392 gMC->Gspos("PRP2", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
1393
1394 // --- The most upper steel parts of the rail
1395
1396 par[0] = fGeom->GetRailPart3(0) / 2.0 ;
1397 par[1] = fGeom->GetRailPart3(1) / 2.0 ;
1398 par[2] = fGeom->GetRailPart3(2) / 2.0 ;
1399 gMC->Gsvolu("PRP3", "BOX ", idtmed[716], par, 3) ;
1400
1401 y0 = (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart3(1)) / 2.0 ;
1402 gMC->Gspos("PRP3", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
1403
1404 // --- The wall of the cradle
1405 // --- The wall is empty: steel thin walls and air inside
1406
1407 par[1] = TMath::Sqrt(
1408 TMath::Power((fGeom->GetIPtoOuterCoverDistance() + fGeom->GetOuterBoxSize(1)),2) +
1409 TMath::Power((fGeom->GetOuterBoxSize(0)/2),2)) + 10.;
1410 par[0] = par[1] - fGeom->GetCradleWall(1) ;
1411 par[2] = fGeom->GetCradleWall(2) / 2.0 ;
1412 par[3] = fGeom->GetCradleWall(3) ;
1413 par[4] = fGeom->GetCradleWall(4) ;
1414 gMC->Gsvolu("PCRA", "TUBS", idtmed[716], par, 5) ;
1415
1416 par[0] -= fGeom->GetCradleWallThickness() ;
1417 par[1] -= fGeom->GetCradleWallThickness() ;
1418 par[2] -= fGeom->GetCradleWallThickness() ;
1419 gMC->Gsvolu("PCRE", "TUBS", idtmed[798], par, 5) ;
1420 gMC->Gspos ("PCRE", 1, "PCRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
1421
1422 for (i=0; i<2; i++) {
1423 z0 = (2*i-1) * (fGeom->GetOuterBoxSize(2) + fGeom->GetCradleWall(2)) / 2.0 ;
1424 gMC->Gspos("PCRA", i, "ALIC", 0.0, 0.0, z0, 0, "ONLY") ;
1425 }
1426
1427 // --- The "wheels" of the cradle
1428
1429 par[0] = fGeom->GetCradleWheel(0) / 2;
1430 par[1] = fGeom->GetCradleWheel(1) / 2;
1431 par[2] = fGeom->GetCradleWheel(2) / 2;
1432 gMC->Gsvolu("PWHE", "BOX ", idtmed[716], par, 3) ;
1433
1434 y0 = -(fGeom->GetRailsDistanceFromIP() - fGeom->GetRailRoadSize(1) -
1435 fGeom->GetCradleWheel(1)/2) ;
1436 for (i=0; i<2; i++) {
1437 z0 = (2*i-1) * ((fGeom->GetOuterBoxSize(2) + fGeom->GetCradleWheel(2)) / 2.0 +
1438 fGeom->GetCradleWall(2));
1439 for (j=0; j<2; j++) {
1440 copy = 2*i + j;
1441 x0 = (2*j-1) * fGeom->GetDistanceBetwRails() / 2.0 ;
1442 gMC->Gspos("PWHE", copy, "ALIC", x0, y0, z0, 0, "ONLY") ;
1443 }
1444 }
1445
1446}
1447
1448//____________________________________________________________________________
1449Float_t AliPHOSv0::ZMin(void) const
1450{
1451 // Overall dimension of the PHOS (min)
1452 // Take it twice more than the PHOS module size
1453 return -fGeom->GetOuterBoxSize(2);
1454}
1455
1456//____________________________________________________________________________
1457Float_t AliPHOSv0::ZMax(void) const
1458{
1459 // Overall dimension of the PHOS (max)
1460 // Take it twice more than the PHOS module size
1461 return fGeom->GetOuterBoxSize(2);
1462}
1463
1464//____________________________________________________________________________
1465void AliPHOSv0::Init(void)
1466{
1467 // Just prints an information message
1468
1469 Int_t i;
1470
1471 printf("\n");
1472 for(i=0;i<35;i++) printf("*");
1473 printf(" PHOS_INIT ");
1474 for(i=0;i<35;i++) printf("*");
1475 printf("\n");
1476
1477 // Here the PHOS initialisation code (if any!)
1478
1479 if (fGeom!=0)
1480 cout << "AliPHOS" << Version() << " : PHOS geometry intialized for " << fGeom->GetName() << endl ;
1481 else
1482 cout << "AliPHOS" << Version() << " : PHOS geometry initialization failed !" << endl ;
1483
1484 for(i=0;i<80;i++) printf("*");
1485 printf("\n");
1486
1487}
1488