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4c039060 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
b2a60966 16/* $Id$ */
17
d15a28e7 18//_________________________________________________________________________
b2a60966 19// Implementation version v0 of PHOS Manager class
20// Layout EMC + PPSD has name GPS2
a3dfe79c 21// Layout EMC + CPV has name IHEP
5f20d3fb 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
b2a60966 24//
25//*-- Author: Yves Schutz (SUBATECH)
26
d2cf0e38 27
fe4da5cc 28// --- ROOT system ---
d15a28e7 29
fe4da5cc 30#include "TBRIK.h"
31#include "TNode.h"
0869cea5 32#include "TRandom.h"
94de3818 33#include "TGeometry.h"
fe4da5cc 34
81e92872 35
d15a28e7 36// --- Standard library ---
37
de9ec31b 38#include <stdio.h>
39#include <string.h>
40#include <stdlib.h>
41#include <strstream.h>
d15a28e7 42
43// --- AliRoot header files ---
44
fe4da5cc 45#include "AliPHOSv0.h"
46#include "AliRun.h"
d15a28e7 47#include "AliConst.h"
94de3818 48#include "AliMC.h"
fe4da5cc 49
50ClassImp(AliPHOSv0)
51
d15a28e7 52//____________________________________________________________________________
53AliPHOSv0::AliPHOSv0(const char *name, const char *title):
54 AliPHOS(name,title)
55{
b2a60966 56 // ctor : title is used to identify the layout
57 // GPS2 = 5 modules (EMC + PPSD)
fe4da5cc 58
d15a28e7 59 // gets an instance of the geometry parameters class
e04976bd 60
61 if (strcmp(GetTitle(),"") != 0 )
62 fGeom = AliPHOSGeometry::GetInstance(GetTitle(), "") ;
63
d15a28e7 64}
65
d15a28e7 66//____________________________________________________________________________
67void AliPHOSv0::BuildGeometry()
fe4da5cc 68{
b2a60966 69 // Build the PHOS geometry for the ROOT display
70 //BEGIN_HTML
71 /*
72 <H2>
73 PHOS in ALICE displayed by root
74 </H2>
75 <UL>
76 <LI> All Views
77 <P>
78 <CENTER>
79 <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif">
80 </CENTER></P></LI>
81 <LI> Front View
82 <P>
83 <CENTER>
84 <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif">
85 </CENTER></P></LI>
86 <LI> 3D View 1
87 <P>
88 <CENTER>
89 <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif">
90 </CENTER></P></LI>
91 <LI> 3D View 2
92 <P>
93 <CENTER>
94 <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif">
95 </CENTER></P></LI>
96 </UL>
97 */
98 //END_HTML
d15a28e7 99
100 this->BuildGeometryforPHOS() ;
bacd0b23 101 if ( ( strcmp(fGeom->GetName(), "GPS2" ) == 0 ) )
d15a28e7 102 this->BuildGeometryforPPSD() ;
bacd0b23 103 else if ( ( strcmp(fGeom->GetName(), "IHEP" ) == 0 ) )
104 this->BuildGeometryforCPV() ;
d15a28e7 105 else
106 cout << "AliPHOSv0::BuildGeometry : no charged particle identification system installed" << endl;
107
fe4da5cc 108}
d15a28e7 109
110//____________________________________________________________________________
111void AliPHOSv0:: BuildGeometryforPHOS(void)
112{
b2a60966 113 // Build the PHOS-EMC geometry for the ROOT display
d15a28e7 114
115 const Int_t kColorPHOS = kRed ;
116 const Int_t kColorXTAL = kBlue ;
117
92862013 118 Double_t const kRADDEG = 180.0 / kPI ;
d15a28e7 119
120 new TBRIK( "OuterBox", "PHOS box", "void", fGeom->GetOuterBoxSize(0)/2,
121 fGeom->GetOuterBoxSize(1)/2,
122 fGeom->GetOuterBoxSize(2)/2 );
123
124 // Textolit Wall box, position inside PHOS
125
126 new TBRIK( "TextolitBox", "PHOS Textolit box ", "void", fGeom->GetTextolitBoxSize(0)/2,
127 fGeom->GetTextolitBoxSize(1)/2,
128 fGeom->GetTextolitBoxSize(2)/2);
129
130 // Polystyrene Foam Plate
131
132 new TBRIK( "UpperFoamPlate", "PHOS Upper foam plate", "void", fGeom->GetTextolitBoxSize(0)/2,
133 fGeom->GetSecondUpperPlateThickness()/2,
134 fGeom->GetTextolitBoxSize(2)/2 ) ;
135
136 // Air Filled Box
fe4da5cc 137
d15a28e7 138 new TBRIK( "AirFilledBox", "PHOS air filled box", "void", fGeom->GetAirFilledBoxSize(0)/2,
139 fGeom->GetAirFilledBoxSize(1)/2,
140 fGeom->GetAirFilledBoxSize(2)/2 );
141
142 // Crystals Box
143
92862013 144 Float_t xtlX = fGeom->GetCrystalSize(0) ;
145 Float_t xtlY = fGeom->GetCrystalSize(1) ;
146 Float_t xtlZ = fGeom->GetCrystalSize(2) ;
d15a28e7 147
92862013 148 Float_t xl = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
149 Float_t yl = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0
d15a28e7 150 + fGeom->GetModuleBoxThickness() / 2.0 ;
92862013 151 Float_t zl = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
d15a28e7 152
92862013 153 new TBRIK( "CrystalsBox", "PHOS crystals box", "void", xl, yl, zl ) ;
d15a28e7 154
155// position PHOS into ALICE
156
92862013 157 Float_t r = fGeom->GetIPtoOuterCoverDistance() + fGeom->GetOuterBoxSize(1) / 2.0 ;
d15a28e7 158 Int_t number = 988 ;
159 Float_t pphi = TMath::ATan( fGeom->GetOuterBoxSize(0) / ( 2.0 * fGeom->GetIPtoOuterCoverDistance() ) ) ;
92862013 160 pphi *= kRADDEG ;
161 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
d15a28e7 162
163 char * nodename = new char[20] ;
164 char * rotname = new char[20] ;
165
166 for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) {
167 Float_t angle = pphi * 2 * ( i - fGeom->GetNModules() / 2.0 - 0.5 ) ;
168 sprintf(rotname, "%s%d", "rot", number++) ;
169 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
92862013 170 top->cd();
d15a28e7 171 sprintf(nodename,"%s%d", "Module", i) ;
92862013 172 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
173 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
174 TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ;
175 outerboxnode->SetLineColor(kColorPHOS) ;
176 fNodes->Add(outerboxnode) ;
177 outerboxnode->cd() ;
d15a28e7 178 // now inside the outer box the textolit box
92862013 179 y = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ;
d15a28e7 180 sprintf(nodename,"%s%d", "TexBox", i) ;
92862013 181 TNode * textolitboxnode = new TNode(nodename, nodename, "TextolitBox", 0, y, 0) ;
182 textolitboxnode->SetLineColor(kColorPHOS) ;
183 fNodes->Add(textolitboxnode) ;
d15a28e7 184 // upper foam plate inside outre box
92862013 185 outerboxnode->cd() ;
d15a28e7 186 sprintf(nodename, "%s%d", "UFPlate", i) ;
92862013 187 y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ;
188 TNode * upperfoamplatenode = new TNode(nodename, nodename, "UpperFoamPlate", 0, y, 0) ;
189 upperfoamplatenode->SetLineColor(kColorPHOS) ;
190 fNodes->Add(upperfoamplatenode) ;
d15a28e7 191 // air filled box inside textolit box (not drawn)
92862013 192 textolitboxnode->cd();
193 y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ;
d15a28e7 194 sprintf(nodename, "%s%d", "AFBox", i) ;
92862013 195 TNode * airfilledboxnode = new TNode(nodename, nodename, "AirFilledBox", 0, y, 0) ;
196 fNodes->Add(airfilledboxnode) ;
d15a28e7 197 // crystals box inside air filled box
92862013 198 airfilledboxnode->cd() ;
199 y = fGeom->GetAirFilledBoxSize(1) / 2.0 - yl
d15a28e7 200 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
201 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ;
202 sprintf(nodename, "%s%d", "XTBox", i) ;
92862013 203 TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, y, 0) ;
204 crystalsboxnode->SetLineColor(kColorXTAL) ;
205 fNodes->Add(crystalsboxnode) ;
d15a28e7 206 }
b27d82c8 207
208 delete[] rotname ;
209 delete[] nodename ;
d15a28e7 210}
211
212//____________________________________________________________________________
213void AliPHOSv0:: BuildGeometryforPPSD(void)
fe4da5cc 214{
b2a60966 215 // Build the PHOS-PPSD geometry for the ROOT display
216 //BEGIN_HTML
217 /*
218 <H2>
219 PPSD displayed by root
220 </H2>
221 <UL>
222 <LI> Zoom on PPSD: Front View
223 <P>
224 <CENTER>
225 <IMG Align=BOTTOM ALT="PPSD Front View" SRC="../images/AliPHOSv0PPSDFrontView.gif">
226 </CENTER></P></LI>
227 <LI> Zoom on PPSD: Perspective View
228 <P>
229 <CENTER>
230 <IMG Align=BOTTOM ALT="PPSD Prespective View" SRC="../images/AliPHOSv0PPSDPerspectiveView.gif">
231 </CENTER></P></LI>
232 </UL>
233 */
234 //END_HTML
92862013 235 Double_t const kRADDEG = 180.0 / kPI ;
d15a28e7 236
237 const Int_t kColorPHOS = kRed ;
238 const Int_t kColorPPSD = kGreen ;
239 const Int_t kColorGas = kBlue ;
240 const Int_t kColorAir = kYellow ;
241
242 // Box for a full PHOS module
243
bacd0b23 244 new TBRIK( "PPSDBox", "PPSD box", "void", fGeom->GetCPVBoxSize(0)/2,
245 fGeom->GetCPVBoxSize(1)/2,
246 fGeom->GetCPVBoxSize(2)/2 );
d15a28e7 247
248 // Box containing one micromegas module
249
250 new TBRIK( "PPSDModule", "PPSD module", "void", fGeom->GetPPSDModuleSize(0)/2,
251 fGeom->GetPPSDModuleSize(1)/2,
252 fGeom->GetPPSDModuleSize(2)/2 );
253 // top lid
254
255 new TBRIK ( "TopLid", "Micromegas top lid", "void", fGeom->GetPPSDModuleSize(0)/2,
256 fGeom->GetLidThickness()/2,
257 fGeom->GetPPSDModuleSize(2)/2 ) ;
258 // composite panel (top and bottom)
259
260 new TBRIK ( "TopPanel", "Composite top panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
261 fGeom->GetCompositeThickness()/2,
262 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
263
264 new TBRIK ( "BottomPanel", "Composite bottom panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
265 fGeom->GetCompositeThickness()/2,
266 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
267 // gas gap (conversion and avalanche)
268
269 new TBRIK ( "GasGap", "gas gap", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
270 ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() )/2,
271 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
272
273 // anode and cathode
274
275 new TBRIK ( "Anode", "Anode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
276 fGeom->GetAnodeThickness()/2,
277 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
278
279 new TBRIK ( "Cathode", "Cathode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
280 fGeom->GetCathodeThickness()/2,
281 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
282 // PC
283
284 new TBRIK ( "PCBoard", "Printed Circuit", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
285 fGeom->GetPCThickness()/2,
286 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
287 // Gap between Lead and top micromegas
288
bacd0b23 289 new TBRIK ( "LeadToM", "Air Gap top", "void", fGeom->GetCPVBoxSize(0)/2,
d15a28e7 290 fGeom->GetMicro1ToLeadGap()/2,
bacd0b23 291 fGeom->GetCPVBoxSize(2)/2 ) ;
d15a28e7 292
293// Gap between Lead and bottom micromegas
294
bacd0b23 295 new TBRIK ( "MToLead", "Air Gap bottom", "void", fGeom->GetCPVBoxSize(0)/2,
d15a28e7 296 fGeom->GetLeadToMicro2Gap()/2,
bacd0b23 297 fGeom->GetCPVBoxSize(2)/2 ) ;
d15a28e7 298 // Lead converter
299
bacd0b23 300 new TBRIK ( "Lead", "Lead converter", "void", fGeom->GetCPVBoxSize(0)/2,
d15a28e7 301 fGeom->GetLeadConverterThickness()/2,
bacd0b23 302 fGeom->GetCPVBoxSize(2)/2 ) ;
d15a28e7 303
304 // position PPSD into ALICE
305
306 char * nodename = new char[20] ;
307 char * rotname = new char[20] ;
308
bacd0b23 309 Float_t r = fGeom->GetIPtoTopLidDistance() + fGeom->GetCPVBoxSize(1) / 2.0 ;
d15a28e7 310 Int_t number = 988 ;
92862013 311 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
d15a28e7 312
313 for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) { // the number of PHOS modules
314 Float_t angle = fGeom->GetPHOSAngle(i) ;
315 sprintf(rotname, "%s%d", "rotg", number++) ;
316 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
92862013 317 top->cd();
d15a28e7 318 sprintf(nodename, "%s%d", "Moduleg", i) ;
92862013 319 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
320 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
321 TNode * ppsdboxnode = new TNode(nodename , nodename ,"PPSDBox", x, y, 0, rotname ) ;
322 ppsdboxnode->SetLineColor(kColorPPSD) ;
323 fNodes->Add(ppsdboxnode) ;
324 ppsdboxnode->cd() ;
d15a28e7 325 // inside the PPSD box:
326 // 1. fNumberOfModulesPhi x fNumberOfModulesZ top micromegas
bacd0b23 327 x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
31aa6d6c 328 {
329 for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module
bacd0b23 330 Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
31aa6d6c 331 TNode * micro1node ;
332 for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module
bacd0b23 333 y = ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
31aa6d6c 334 sprintf(nodename, "%s%d%d%d", "Mic1", i, iphi, iz) ;
335 micro1node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
336 micro1node->SetLineColor(kColorPPSD) ;
337 fNodes->Add(micro1node) ;
338 // inside top micromegas
339 micro1node->cd() ;
340 // a. top lid
341 y = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ;
342 sprintf(nodename, "%s%d%d%d", "Lid", i, iphi, iz) ;
343 TNode * toplidnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ;
344 toplidnode->SetLineColor(kColorPPSD) ;
345 fNodes->Add(toplidnode) ;
346 // b. composite panel
347 y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
348 sprintf(nodename, "%s%d%d%d", "CompU", i, iphi, iz) ;
349 TNode * compupnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ;
350 compupnode->SetLineColor(kColorPPSD) ;
351 fNodes->Add(compupnode) ;
352 // c. anode
353 y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
354 sprintf(nodename, "%s%d%d%d", "Ano", i, iphi, iz) ;
355 TNode * anodenode = new TNode(nodename, nodename, "Anode", 0, y, 0) ;
356 anodenode->SetLineColor(kColorPHOS) ;
357 fNodes->Add(anodenode) ;
358 // d. gas
359 y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
360 sprintf(nodename, "%s%d%d%d", "GGap", i, iphi, iz) ;
361 TNode * ggapnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ;
362 ggapnode->SetLineColor(kColorGas) ;
363 fNodes->Add(ggapnode) ;
d15a28e7 364 // f. cathode
31aa6d6c 365 y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
366 sprintf(nodename, "%s%d%d%d", "Cathode", i, iphi, iz) ;
367 TNode * cathodenode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ;
368 cathodenode->SetLineColor(kColorPHOS) ;
369 fNodes->Add(cathodenode) ;
370 // g. printed circuit
371 y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
372 sprintf(nodename, "%s%d%d%d", "PC", i, iphi, iz) ;
373 TNode * pcnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ;
374 pcnode->SetLineColor(kColorPPSD) ;
375 fNodes->Add(pcnode) ;
376 // h. composite panel
377 y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
378 sprintf(nodename, "%s%d%d%d", "CompDown", i, iphi, iz) ;
379 TNode * compdownnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ;
380 compdownnode->SetLineColor(kColorPPSD) ;
381 fNodes->Add(compdownnode) ;
382 z = z - fGeom->GetPPSDModuleSize(2) ;
383 ppsdboxnode->cd() ;
384 } // end of Z module loop
385 x = x - fGeom->GetPPSDModuleSize(0) ;
92862013 386 ppsdboxnode->cd() ;
31aa6d6c 387 } // end of phi module loop
388 }
d15a28e7 389 // 2. air gap
92862013 390 ppsdboxnode->cd() ;
bacd0b23 391 y = ( fGeom->GetCPVBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
d15a28e7 392 sprintf(nodename, "%s%d", "GapUp", i) ;
92862013 393 TNode * gapupnode = new TNode(nodename, nodename, "LeadToM", 0, y, 0) ;
394 gapupnode->SetLineColor(kColorAir) ;
395 fNodes->Add(gapupnode) ;
d15a28e7 396 // 3. lead converter
92862013 397 y = y - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ;
d15a28e7 398 sprintf(nodename, "%s%d", "LeadC", i) ;
92862013 399 TNode * leadcnode = new TNode(nodename, nodename, "Lead", 0, y, 0) ;
400 leadcnode->SetLineColor(kColorPPSD) ;
401 fNodes->Add(leadcnode) ;
d15a28e7 402 // 4. air gap
92862013 403 y = y - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ;
d15a28e7 404 sprintf(nodename, "%s%d", "GapDown", i) ;
92862013 405 TNode * gapdownnode = new TNode(nodename, nodename, "MToLead", 0, y, 0) ;
406 gapdownnode->SetLineColor(kColorAir) ;
407 fNodes->Add(gapdownnode) ;
d15a28e7 408 // 5. fNumberOfModulesPhi x fNumberOfModulesZ bottom micromegas
bacd0b23 409 x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ;
31aa6d6c 410 {
411 for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) {
bacd0b23 412 Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. - fGeom->GetZDisplacement() ;;
31aa6d6c 413 TNode * micro2node ;
414 for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) {
bacd0b23 415 y = - ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
31aa6d6c 416 sprintf(nodename, "%s%d%d%d", "Mic2", i, iphi, iz) ;
417 micro2node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
418 micro2node->SetLineColor(kColorPPSD) ;
419 fNodes->Add(micro2node) ;
420 // inside bottom micromegas
421 micro2node->cd() ;
d15a28e7 422 // a. top lid
92862013 423 y = ( fGeom->GetMicromegas2Thickness() - fGeom->GetLidThickness() ) / 2. ;
d15a28e7 424 sprintf(nodename, "%s%d", "Lidb", i) ;
92862013 425 TNode * toplidbnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ;
426 toplidbnode->SetLineColor(kColorPPSD) ;
427 fNodes->Add(toplidbnode) ;
d15a28e7 428 // b. composite panel
92862013 429 y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
d15a28e7 430 sprintf(nodename, "%s%d", "CompUb", i) ;
92862013 431 TNode * compupbnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ;
432 compupbnode->SetLineColor(kColorPPSD) ;
433 fNodes->Add(compupbnode) ;
d15a28e7 434 // c. anode
92862013 435 y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
d15a28e7 436 sprintf(nodename, "%s%d", "Anob", i) ;
92862013 437 TNode * anodebnode = new TNode(nodename, nodename, "Anode", 0, y, 0) ;
438 anodebnode->SetLineColor(kColorPPSD) ;
439 fNodes->Add(anodebnode) ;
d15a28e7 440 // d. conversion gas
92862013 441 y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
d15a28e7 442 sprintf(nodename, "%s%d", "GGapb", i) ;
92862013 443 TNode * ggapbnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ;
444 ggapbnode->SetLineColor(kColorGas) ;
445 fNodes->Add(ggapbnode) ;
d15a28e7 446 // f. cathode
92862013 447 y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
d15a28e7 448 sprintf(nodename, "%s%d", "Cathodeb", i) ;
92862013 449 TNode * cathodebnode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ;
450 cathodebnode->SetLineColor(kColorPPSD) ;
451 fNodes->Add(cathodebnode) ;
d15a28e7 452 // g. printed circuit
92862013 453 y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
d15a28e7 454 sprintf(nodename, "%s%d", "PCb", i) ;
92862013 455 TNode * pcbnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ;
456 pcbnode->SetLineColor(kColorPPSD) ;
457 fNodes->Add(pcbnode) ;
d15a28e7 458 // h. composite pane
92862013 459 y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
d15a28e7 460 sprintf(nodename, "%s%d", "CompDownb", i) ;
92862013 461 TNode * compdownbnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ;
462 compdownbnode->SetLineColor(kColorPPSD) ;
463 fNodes->Add(compdownbnode) ;
464 z = z - fGeom->GetPPSDModuleSize(2) ;
465 ppsdboxnode->cd() ;
d15a28e7 466 } // end of Z module loop
92862013 467 x = x - fGeom->GetPPSDModuleSize(0) ;
468 ppsdboxnode->cd() ;
31aa6d6c 469 } // end of phi module loop
470 }
471 } // PHOS modules
472
e126816e 473 delete[] rotname ;
474 delete[] nodename ;
31aa6d6c 475
fe4da5cc 476}
477
bacd0b23 478//____________________________________________________________________________
479void AliPHOSv0:: BuildGeometryforCPV(void)
480{
481 // Build the PHOS-CPV geometry for the ROOT display
482 // Author: Yuri Kharlov 11 September 2000
483 //
484 //BEGIN_HTML
485 /*
486 <H2>
487 CPV displayed by root
488 </H2>
489 <table width=700>
490
491 <tr>
492 <td>CPV perspective view</td>
493 <td>CPV front view </td>
494 </tr>
495
496 <tr>
497 <td> <img height=300 width=290 src="../images/CPVRootPersp.gif"> </td>
498 <td> <img height=300 width=290 src="../images/CPVRootFront.gif"> </td>
499 </tr>
500
501 </table>
502
503 */
504 //END_HTML
505
506 const Double_t kRADDEG = 180.0 / kPI ;
507 const Int_t kColorCPV = kGreen ;
508 const Int_t kColorFrame = kYellow ;
509 const Int_t kColorGassiplex = kRed;
510 const Int_t kColorPCB = kCyan;
511
512 // Box for a full PHOS module
513
514 new TBRIK ("CPVBox", "CPV box", "void", fGeom->GetCPVBoxSize(0)/2,
515 fGeom->GetCPVBoxSize(1)/2,
516 fGeom->GetCPVBoxSize(2)/2 );
517 new TBRIK ("CPVFrameLR", "CPV frame Left-Right", "void", fGeom->GetCPVFrameSize(0)/2,
518 fGeom->GetCPVFrameSize(1)/2,
519 fGeom->GetCPVBoxSize(2)/2 );
520 new TBRIK ("CPVFrameUD", "CPV frame Up-Down", "void", fGeom->GetCPVBoxSize(0)/2 - fGeom->GetCPVFrameSize(0),
521 fGeom->GetCPVFrameSize(1)/2,
522 fGeom->GetCPVFrameSize(2)/2);
523 new TBRIK ("CPVPCB", "CPV PCB", "void", fGeom->GetCPVActiveSize(0)/2,
524 fGeom->GetCPVTextoliteThickness()/2,
525 fGeom->GetCPVActiveSize(1)/2);
526 new TBRIK ("CPVGassiplex", "CPV Gassiplex PCB", "void", fGeom->GetGassiplexChipSize(0)/2,
527 fGeom->GetGassiplexChipSize(1)/2,
528 fGeom->GetGassiplexChipSize(2)/2);
529
530 // position CPV into ALICE
531
532 char * nodename = new char[25] ;
533 char * rotname = new char[25] ;
534
535 Float_t r = fGeom->GetIPtoCPVDistance() + fGeom->GetCPVBoxSize(1) / 2.0 ;
536 Int_t number = 988 ;
537 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
538 for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) { // the number of PHOS modules
539
540 // One CPV module
541
542 Float_t angle = fGeom->GetPHOSAngle(i) ;
543 sprintf(rotname, "%s%d", "rotg", number++) ;
544 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
545 top->cd();
546 sprintf(nodename, "%s%d", "CPVModule", i) ;
547 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
548 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
549 Float_t z;
550 TNode * cpvBoxNode = new TNode(nodename , nodename ,"CPVBox", x, y, 0, rotname ) ;
551 cpvBoxNode->SetLineColor(kColorCPV) ;
552 fNodes->Add(cpvBoxNode) ;
553 cpvBoxNode->cd() ;
554
555 // inside each CPV box:
556
557 // Frame around CPV
558 for (Int_t j=0; j<=1; j++) {
559 sprintf(nodename, "CPVModule%d Frame%d", i, j+1) ;
560 x = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(0) - fGeom->GetCPVFrameSize(0)) / 2;
561 TNode * cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameLR", x, 0, 0) ;
562 cpvFrameNode->SetLineColor(kColorFrame) ;
563 fNodes->Add(cpvFrameNode) ;
564
565 sprintf(nodename, "CPVModule%d Frame%d", i, j+3) ;
566 z = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(2) - fGeom->GetCPVFrameSize(2)) / 2;
567 cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameUD", 0, 0, z) ;
568 cpvFrameNode->SetLineColor(kColorFrame) ;
569 fNodes->Add(cpvFrameNode) ;
570 }
571
572 // 4 printed circuit boards
573 for (Int_t j=0; j<4; j++) {
574 sprintf(nodename, "CPVModule%d PCB%d", i, j+1) ;
575 y = fGeom->GetCPVFrameSize(1) / 2 - fGeom->GetFTPosition(j) + fGeom->GetCPVTextoliteThickness()/2;
576 TNode * cpvPCBNode = new TNode(nodename , nodename ,"CPVPCB", 0, y, 0) ;
577 cpvPCBNode->SetLineColor(kColorPCB) ;
578 fNodes->Add(cpvPCBNode) ;
579 }
580
581 // Gassiplex chips
582 Float_t xStep = fGeom->GetCPVActiveSize(0) / (fGeom->GetNumberOfCPVChipsPhi() + 1);
583 Float_t zStep = fGeom->GetCPVActiveSize(1) / (fGeom->GetNumberOfCPVChipsZ() + 1);
584 y = fGeom->GetCPVFrameSize(1)/2 - fGeom->GetFTPosition(0) +
585 fGeom->GetCPVTextoliteThickness() / 2 + fGeom->GetGassiplexChipSize(1) / 2 + 0.1;
586 for (Int_t ix=0; ix<fGeom->GetNumberOfCPVChipsPhi(); ix++) {
587 x = xStep * (ix+1) - fGeom->GetCPVActiveSize(0)/2;
588 for (Int_t iz=0; iz<fGeom->GetNumberOfCPVChipsZ(); iz++) {
589 z = zStep * (iz+1) - fGeom->GetCPVActiveSize(1)/2;
590 sprintf(nodename, "CPVModule%d Chip(%dx%d)", i, ix+1,iz+1) ;
591 TNode * cpvGassiplexNode = new TNode(nodename , nodename ,"CPVGassiplex", x, y, z) ;
592 cpvGassiplexNode->SetLineColor(kColorGassiplex) ;
593 fNodes->Add(cpvGassiplexNode) ;
594 }
595 }
596
597 } // PHOS modules
598
599 delete[] rotname ;
600 delete[] nodename ;
601}
602
d15a28e7 603//____________________________________________________________________________
fe4da5cc 604void AliPHOSv0::CreateGeometry()
605{
b2a60966 606 // Create the PHOS geometry for Geant
d15a28e7 607
92862013 608 AliPHOSv0 *phostmp = (AliPHOSv0*)gAlice->GetModule("PHOS") ;
d15a28e7 609
92862013 610 if ( phostmp == NULL ) {
d15a28e7 611
612 fprintf(stderr, "PHOS detector not found!\n") ;
613 return;
fe4da5cc 614
d15a28e7 615 }
d15a28e7 616 // Get pointer to the array containing media indeces
92862013 617 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
d15a28e7 618
92862013 619 Float_t bigbox[3] ;
620 bigbox[0] = fGeom->GetOuterBoxSize(0) / 2.0 ;
bacd0b23 621 bigbox[1] = ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ;
92862013 622 bigbox[2] = fGeom->GetOuterBoxSize(2) / 2.0 ;
d15a28e7 623
92862013 624 gMC->Gsvolu("PHOS", "BOX ", idtmed[798], bigbox, 3) ;
d15a28e7 625
626 this->CreateGeometryforPHOS() ;
bacd0b23 627 if ( strcmp( fGeom->GetName(), "GPS2") == 0 )
d15a28e7 628 this->CreateGeometryforPPSD() ;
bacd0b23 629 else if ( strcmp( fGeom->GetName(), "IHEP") == 0 )
630 this->CreateGeometryforCPV() ;
d15a28e7 631 else
632 cout << "AliPHOSv0::CreateGeometry : no charged particle identification system installed" << endl;
633
634 // --- Position PHOS mdules in ALICE setup ---
635
92862013 636 Int_t idrotm[99] ;
637 Double_t const kRADDEG = 180.0 / kPI ;
d15a28e7 638
639 for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) {
640
641 Float_t angle = fGeom->GetPHOSAngle(i) ;
92862013 642 AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ;
d15a28e7 643
bacd0b23 644 Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ;
d15a28e7 645
92862013 646 Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
647 Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
d15a28e7 648
92862013 649 gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
d15a28e7 650
651 } // for GetNModules
652
fe4da5cc 653}
d15a28e7 654
655//____________________________________________________________________________
656void AliPHOSv0::CreateGeometryforPHOS()
657{
b2a60966 658 // Create the PHOS-EMC geometry for GEANT
659 //BEGIN_HTML
660 /*
661 <H2>
662 Geant3 geometry tree of PHOS-EMC in ALICE
663 </H2>
664 <P><CENTER>
665 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif">
666 </CENTER><P>
667 */
668 //END_HTML
669
670 // Get pointer to the array containing media indexes
92862013 671 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
d15a28e7 672
673 // ---
674 // --- Define PHOS box volume, fPUFPill with thermo insulating foam ---
675 // --- Foam Thermo Insulating outer cover dimensions ---
92862013 676 // --- Put it in bigbox = PHOS
d15a28e7 677
92862013 678 Float_t dphos[3] ;
679 dphos[0] = fGeom->GetOuterBoxSize(0) / 2.0 ;
680 dphos[1] = fGeom->GetOuterBoxSize(1) / 2.0 ;
681 dphos[2] = fGeom->GetOuterBoxSize(2) / 2.0 ;
d15a28e7 682
92862013 683 gMC->Gsvolu("EMCA", "BOX ", idtmed[706], dphos, 3) ;
d15a28e7 684
bacd0b23 685 Float_t yO = - fGeom->GetCPVBoxSize(1) / 2.0 ;
d15a28e7 686
92862013 687 gMC->Gspos("EMCA", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 688
689 // ---
690 // --- Define Textolit Wall box, position inside EMCA ---
691 // --- Textolit Wall box dimentions ---
692
693
92862013 694 Float_t dptxw[3];
695 dptxw[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ;
696 dptxw[1] = fGeom->GetTextolitBoxSize(1) / 2.0 ;
697 dptxw[2] = fGeom->GetTextolitBoxSize(2) / 2.0 ;
d15a28e7 698
92862013 699 gMC->Gsvolu("PTXW", "BOX ", idtmed[707], dptxw, 3);
d15a28e7 700
92862013 701 yO = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ;
d15a28e7 702
92862013 703 gMC->Gspos("PTXW", 1, "EMCA", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 704
705 // ---
706 // --- Define Upper Polystyrene Foam Plate, place inside PTXW ---
707 // --- immediately below Foam Thermo Insulation Upper plate ---
708
709 // --- Upper Polystyrene Foam plate thickness ---
710
92862013 711 Float_t dpufp[3] ;
712 dpufp[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ;
713 dpufp[1] = fGeom->GetSecondUpperPlateThickness() / 2. ;
714 dpufp[2] = fGeom->GetTextolitBoxSize(2) /2.0 ;
d15a28e7 715
92862013 716 gMC->Gsvolu("PUFP", "BOX ", idtmed[703], dpufp, 3) ;
d15a28e7 717
92862013 718 yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ;
d15a28e7 719
92862013 720 gMC->Gspos("PUFP", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 721
722 // ---
723 // --- Define air-filled box, place inside PTXW ---
724 // --- Inner AIR volume dimensions ---
fe4da5cc 725
d15a28e7 726
92862013 727 Float_t dpair[3] ;
728 dpair[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
729 dpair[1] = fGeom->GetAirFilledBoxSize(1) / 2.0 ;
730 dpair[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
d15a28e7 731
92862013 732 gMC->Gsvolu("PAIR", "BOX ", idtmed[798], dpair, 3) ;
d15a28e7 733
92862013 734 yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ;
d15a28e7 735
92862013 736 gMC->Gspos("PAIR", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 737
738// --- Dimensions of PbWO4 crystal ---
739
92862013 740 Float_t xtlX = fGeom->GetCrystalSize(0) ;
741 Float_t xtlY = fGeom->GetCrystalSize(1) ;
742 Float_t xtlZ = fGeom->GetCrystalSize(2) ;
d15a28e7 743
92862013 744 Float_t dptcb[3] ;
745 dptcb[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
746 dptcb[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0
d15a28e7 747 + fGeom->GetModuleBoxThickness() / 2.0 ;
92862013 748 dptcb[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
d15a28e7 749
92862013 750 gMC->Gsvolu("PTCB", "BOX ", idtmed[706], dptcb, 3) ;
d15a28e7 751
92862013 752 yO = fGeom->GetAirFilledBoxSize(1) / 2.0 - dptcb[1]
d15a28e7 753 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
754 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ;
755
92862013 756 gMC->Gspos("PTCB", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 757
758 // ---
759 // --- Define Crystal BLock filled with air, position it inside PTCB ---
92862013 760 Float_t dpcbl[3] ;
d15a28e7 761
92862013 762 dpcbl[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ;
763 dpcbl[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
764 dpcbl[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ;
d15a28e7 765
92862013 766 gMC->Gsvolu("PCBL", "BOX ", idtmed[798], dpcbl, 3) ;
d15a28e7 767
768 // --- Divide PCBL in X (phi) and Z directions --
769 gMC->Gsdvn("PROW", "PCBL", Int_t (fGeom->GetNPhi()), 1) ;
770 gMC->Gsdvn("PCEL", "PROW", Int_t (fGeom->GetNZ()), 3) ;
771
92862013 772 yO = -fGeom->GetModuleBoxThickness() / 2.0 ;
d15a28e7 773
92862013 774 gMC->Gspos("PCBL", 1, "PTCB", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 775
776 // ---
777 // --- Define STeel (actually, it's titanium) Cover volume, place inside PCEL
92862013 778 Float_t dpstc[3] ;
d15a28e7 779
92862013 780 dpstc[0] = ( xtlX + 2 * fGeom->GetCrystalWrapThickness() ) / 2.0 ;
781 dpstc[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
782 dpstc[2] = ( xtlZ + 2 * fGeom->GetCrystalWrapThickness() + 2 * fGeom->GetCrystalHolderThickness() ) / 2.0 ;
d15a28e7 783
92862013 784 gMC->Gsvolu("PSTC", "BOX ", idtmed[704], dpstc, 3) ;
d15a28e7 785
786 gMC->Gspos("PSTC", 1, "PCEL", 0.0, 0.0, 0.0, 0, "ONLY") ;
787
788 // ---
789 // --- Define Tyvek volume, place inside PSTC ---
92862013 790 Float_t dppap[3] ;
d15a28e7 791
92862013 792 dppap[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ;
793 dppap[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ;
794 dppap[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ;
d15a28e7 795
92862013 796 gMC->Gsvolu("PPAP", "BOX ", idtmed[702], dppap, 3) ;
d15a28e7 797
92862013 798 yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0
799 - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
d15a28e7 800
92862013 801 gMC->Gspos("PPAP", 1, "PSTC", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 802
803 // ---
804 // --- Define PbWO4 crystal volume, place inside PPAP ---
92862013 805 Float_t dpxtl[3] ;
d15a28e7 806
92862013 807 dpxtl[0] = xtlX / 2.0 ;
808 dpxtl[1] = xtlY / 2.0 ;
809 dpxtl[2] = xtlZ / 2.0 ;
d15a28e7 810
92862013 811 gMC->Gsvolu("PXTL", "BOX ", idtmed[699], dpxtl, 3) ;
d15a28e7 812
92862013 813 yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 - xtlY / 2.0 - fGeom->GetCrystalWrapThickness() ;
d15a28e7 814
92862013 815 gMC->Gspos("PXTL", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 816
817 // ---
818 // --- Define crystal support volume, place inside PPAP ---
92862013 819 Float_t dpsup[3] ;
d15a28e7 820
92862013 821 dpsup[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ;
822 dpsup[1] = fGeom->GetCrystalSupportHeight() / 2.0 ;
823 dpsup[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ;
d15a28e7 824
92862013 825 gMC->Gsvolu("PSUP", "BOX ", idtmed[798], dpsup, 3) ;
d15a28e7 826
92862013 827 yO = fGeom->GetCrystalSupportHeight() / 2.0 - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ;
d15a28e7 828
92862013 829 gMC->Gspos("PSUP", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 830
831 // ---
832 // --- Define PIN-diode volume and position it inside crystal support ---
833 // --- right behind PbWO4 crystal
834
835 // --- PIN-diode dimensions ---
836
837
92862013 838 Float_t dppin[3] ;
839 dppin[0] = fGeom->GetPinDiodeSize(0) / 2.0 ;
840 dppin[1] = fGeom->GetPinDiodeSize(1) / 2.0 ;
841 dppin[2] = fGeom->GetPinDiodeSize(2) / 2.0 ;
d15a28e7 842
92862013 843 gMC->Gsvolu("PPIN", "BOX ", idtmed[705], dppin, 3) ;
d15a28e7 844
92862013 845 yO = fGeom->GetCrystalSupportHeight() / 2.0 - fGeom->GetPinDiodeSize(1) / 2.0 ;
d15a28e7 846
92862013 847 gMC->Gspos("PPIN", 1, "PSUP", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 848
849 // ---
850 // --- Define Upper Cooling Panel, place it on top of PTCB ---
92862013 851 Float_t dpucp[3] ;
d15a28e7 852 // --- Upper Cooling Plate thickness ---
853
92862013 854 dpucp[0] = dptcb[0] ;
855 dpucp[1] = fGeom->GetUpperCoolingPlateThickness() ;
856 dpucp[2] = dptcb[2] ;
d15a28e7 857
92862013 858 gMC->Gsvolu("PUCP", "BOX ", idtmed[701], dpucp,3) ;
d15a28e7 859
92862013 860 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetUpperCoolingPlateThickness() ) / 2.
d15a28e7 861 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
862 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() - fGeom->GetUpperCoolingPlateThickness() ) ;
863
92862013 864 gMC->Gspos("PUCP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 865
866 // ---
867 // --- Define Al Support Plate, position it inside PAIR ---
868 // --- right beneath PTCB ---
869 // --- Al Support Plate thickness ---
870
92862013 871 Float_t dpasp[3] ;
872 dpasp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
873 dpasp[1] = fGeom->GetSupportPlateThickness() / 2.0 ;
874 dpasp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
d15a28e7 875
92862013 876 gMC->Gsvolu("PASP", "BOX ", idtmed[701], dpasp, 3) ;
d15a28e7 877
92862013 878 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetSupportPlateThickness() ) / 2.
d15a28e7 879 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance()
92862013 880 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 ) ;
d15a28e7 881
92862013 882 gMC->Gspos("PASP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 883
884 // ---
885 // --- Define Thermo Insulating Plate, position it inside PAIR ---
886 // --- right beneath PASP ---
887 // --- Lower Thermo Insulating Plate thickness ---
888
92862013 889 Float_t dptip[3] ;
890 dptip[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
891 dptip[1] = fGeom->GetLowerThermoPlateThickness() / 2.0 ;
892 dptip[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
d15a28e7 893
92862013 894 gMC->Gsvolu("PTIP", "BOX ", idtmed[706], dptip, 3) ;
d15a28e7 895
92862013 896 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerThermoPlateThickness() ) / 2.
d15a28e7 897 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness()
92862013 898 - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness() ) ;
d15a28e7 899
92862013 900 gMC->Gspos("PTIP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 901
902 // ---
903 // --- Define Textolit Plate, position it inside PAIR ---
904 // --- right beneath PTIP ---
905 // --- Lower Textolit Plate thickness ---
906
92862013 907 Float_t dptxp[3] ;
908 dptxp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
909 dptxp[1] = fGeom->GetLowerTextolitPlateThickness() / 2.0 ;
910 dptxp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
d15a28e7 911
92862013 912 gMC->Gsvolu("PTXP", "BOX ", idtmed[707], dptxp, 3) ;
d15a28e7 913
92862013 914 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerTextolitPlateThickness() ) / 2.
d15a28e7 915 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness()
92862013 916 - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness()
d15a28e7 917 + fGeom->GetLowerThermoPlateThickness() ) ;
918
92862013 919 gMC->Gspos("PTXP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 920
921}
922
923//____________________________________________________________________________
924void AliPHOSv0::CreateGeometryforPPSD()
fe4da5cc 925{
b2a60966 926 // Create the PHOS-PPSD geometry for GEANT
b2a60966 927 //BEGIN_HTML
928 /*
929 <H2>
930 Geant3 geometry tree of PHOS-PPSD in ALICE
931 </H2>
932 <P><CENTER>
933 <IMG Align=BOTTOM ALT="PPSD geant tree" SRC="../images/PPSDinAlice.gif">
934 </CENTER><P>
935 */
936 //END_HTML
937
938 // Get pointer to the array containing media indexes
92862013 939 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
d15a28e7 940
92862013 941 // The box containing all ppsd's for one PHOS module filled with air
942 Float_t ppsd[3] ;
bacd0b23 943 ppsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
944 ppsd[1] = fGeom->GetCPVBoxSize(1) / 2.0 ;
945 ppsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
fe4da5cc 946
92862013 947 gMC->Gsvolu("PPSD", "BOX ", idtmed[798], ppsd, 3) ;
d15a28e7 948
92862013 949 Float_t yO = fGeom->GetOuterBoxSize(1) / 2.0 ;
d15a28e7 950
92862013 951 gMC->Gspos("PPSD", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 952
953 // Now we build a micromegas module
954 // The box containing the whole module filled with epoxy (FR4)
955
92862013 956 Float_t mppsd[3] ;
957 mppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ;
958 mppsd[1] = fGeom->GetPPSDModuleSize(1) / 2.0 ;
959 mppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ;
d15a28e7 960
92862013 961 gMC->Gsvolu("MPPS", "BOX ", idtmed[708], mppsd, 3) ;
d15a28e7 962
92862013 963 // Inside mppsd :
d15a28e7 964 // 1. The Top Lid made of epoxy (FR4)
965
92862013 966 Float_t tlppsd[3] ;
967 tlppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ;
968 tlppsd[1] = fGeom->GetLidThickness() / 2.0 ;
969 tlppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ;
d15a28e7 970
92862013 971 gMC->Gsvolu("TLPS", "BOX ", idtmed[708], tlppsd, 3) ;
d15a28e7 972
92862013 973 Float_t y0 = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ;
d15a28e7 974
92862013 975 gMC->Gspos("TLPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 976
977 // 2. the upper panel made of composite material
978
92862013 979 Float_t upppsd[3] ;
980 upppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
981 upppsd[1] = fGeom->GetCompositeThickness() / 2.0 ;
982 upppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 983
92862013 984 gMC->Gsvolu("UPPS", "BOX ", idtmed[709], upppsd, 3) ;
d15a28e7 985
92862013 986 y0 = y0 - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
d15a28e7 987
92862013 988 gMC->Gspos("UPPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 989
990 // 3. the anode made of Copper
991
92862013 992 Float_t anppsd[3] ;
993 anppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
994 anppsd[1] = fGeom->GetAnodeThickness() / 2.0 ;
995 anppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 996
92862013 997 gMC->Gsvolu("ANPS", "BOX ", idtmed[710], anppsd, 3) ;
d15a28e7 998
92862013 999 y0 = y0 - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
d15a28e7 1000
92862013 1001 gMC->Gspos("ANPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 1002
1003 // 4. the conversion gap + avalanche gap filled with gas
1004
92862013 1005 Float_t ggppsd[3] ;
1006 ggppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1007 ggppsd[1] = ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2.0 ;
1008 ggppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 1009
92862013 1010 gMC->Gsvolu("GGPS", "BOX ", idtmed[715], ggppsd, 3) ;
d15a28e7 1011
1012 // --- Divide GGPP in X (phi) and Z directions --
1013 gMC->Gsdvn("GROW", "GGPS", fGeom->GetNumberOfPadsPhi(), 1) ;
1014 gMC->Gsdvn("GCEL", "GROW", fGeom->GetNumberOfPadsZ() , 3) ;
1015
92862013 1016 y0 = y0 - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
d15a28e7 1017
92862013 1018 gMC->Gspos("GGPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 1019
1020
1021 // 6. the cathode made of Copper
1022
92862013 1023 Float_t cappsd[3] ;
1024 cappsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1025 cappsd[1] = fGeom->GetCathodeThickness() / 2.0 ;
1026 cappsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 1027
92862013 1028 gMC->Gsvolu("CAPS", "BOX ", idtmed[710], cappsd, 3) ;
d15a28e7 1029
39544c2e 1030 y0 = y0 - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
d15a28e7 1031
92862013 1032 gMC->Gspos("CAPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 1033
1034 // 7. the printed circuit made of G10
1035
92862013 1036 Float_t pcppsd[3] ;
1037 pcppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2,.0 ;
1038 pcppsd[1] = fGeom->GetPCThickness() / 2.0 ;
1039 pcppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 1040
92862013 1041 gMC->Gsvolu("PCPS", "BOX ", idtmed[711], cappsd, 3) ;
d15a28e7 1042
92862013 1043 y0 = y0 - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
d15a28e7 1044
92862013 1045 gMC->Gspos("PCPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 1046
1047 // 8. the lower panel made of composite material
1048
92862013 1049 Float_t lpppsd[3] ;
1050 lpppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
1051 lpppsd[1] = fGeom->GetCompositeThickness() / 2.0 ;
1052 lpppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 1053
92862013 1054 gMC->Gsvolu("LPPS", "BOX ", idtmed[709], lpppsd, 3) ;
d15a28e7 1055
92862013 1056 y0 = y0 - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
d15a28e7 1057
92862013 1058 gMC->Gspos("LPPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 1059
92862013 1060 // Position the fNumberOfModulesPhi x fNumberOfModulesZ modules (mppsd) inside PPSD to cover a PHOS module
d15a28e7 1061 // the top and bottom one's (which are assumed identical) :
1062
bacd0b23 1063 Float_t yt = ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
1064 Float_t yb = - ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
d15a28e7 1065
92862013 1066 Int_t copyNumbertop = 0 ;
1067 Int_t copyNumberbot = fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() ;
d15a28e7 1068
bacd0b23 1069 Float_t x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
d15a28e7 1070
1071 for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module
bacd0b23 1072 Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
d15a28e7 1073
1074 for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module
92862013 1075 gMC->Gspos("MPPS", ++copyNumbertop, "PPSD", x, yt, z, 0, "ONLY") ;
1076 gMC->Gspos("MPPS", ++copyNumberbot, "PPSD", x, yb, z, 0, "ONLY") ;
1077 z = z - fGeom->GetPPSDModuleSize(2) ;
d15a28e7 1078 } // end of Z module loop
92862013 1079 x = x - fGeom->GetPPSDModuleSize(0) ;
d15a28e7 1080 } // end of phi module loop
1081
1082 // The Lead converter between two air gaps
1083 // 1. Upper air gap
1084
92862013 1085 Float_t uappsd[3] ;
bacd0b23 1086 uappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
92862013 1087 uappsd[1] = fGeom->GetMicro1ToLeadGap() / 2.0 ;
bacd0b23 1088 uappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
d15a28e7 1089
92862013 1090 gMC->Gsvolu("UAPPSD", "BOX ", idtmed[798], uappsd, 3) ;
d15a28e7 1091
bacd0b23 1092 y0 = ( fGeom->GetCPVBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
d15a28e7 1093
92862013 1094 gMC->Gspos("UAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 1095
1096 // 2. Lead converter
1097
92862013 1098 Float_t lcppsd[3] ;
bacd0b23 1099 lcppsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
92862013 1100 lcppsd[1] = fGeom->GetLeadConverterThickness() / 2.0 ;
bacd0b23 1101 lcppsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
d15a28e7 1102
92862013 1103 gMC->Gsvolu("LCPPSD", "BOX ", idtmed[712], lcppsd, 3) ;
d15a28e7 1104
92862013 1105 y0 = y0 - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ;
d15a28e7 1106
92862013 1107 gMC->Gspos("LCPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 1108
1109 // 3. Lower air gap
1110
92862013 1111 Float_t lappsd[3] ;
bacd0b23 1112 lappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
92862013 1113 lappsd[1] = fGeom->GetLeadToMicro2Gap() / 2.0 ;
bacd0b23 1114 lappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
d15a28e7 1115
92862013 1116 gMC->Gsvolu("LAPPSD", "BOX ", idtmed[798], lappsd, 3) ;
fe4da5cc 1117
92862013 1118 y0 = y0 - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ;
d15a28e7 1119
92862013 1120 gMC->Gspos("LAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 1121
fe4da5cc 1122}
1123
d15a28e7 1124
bacd0b23 1125//____________________________________________________________________________
1126void AliPHOSv0::CreateGeometryforCPV()
1127{
1128 // Create the PHOS-CPV geometry for GEANT
1129 // Author: Yuri Kharlov 11 September 2000
bacd0b23 1130 //BEGIN_HTML
1131 /*
1132 <H2>
1133 Geant3 geometry of PHOS-CPV in ALICE
1134 </H2>
1135 <table width=700>
1136
1137 <tr>
1138 <td>CPV perspective view</td>
1139 <td>CPV front view </td>
1140 </tr>
1141
1142 <tr>
1143 <td> <img height=300 width=290 src="../images/CPVallPersp.gif"> </td>
1144 <td> <img height=300 width=290 src="../images/CPVallFront.gif"> </td>
1145 </tr>
1146
1147 <tr>
1148 <td>One CPV module, perspective view </td>
1149 <td>One CPV module, front view (extended in vertical direction) </td>
1150 </tr>
1151
1152 <tr>
1153 <td><img height=300 width=290 src="../images/CPVmodulePers.gif"></td>
1154 <td><img height=300 width=290 src="../images/CPVmoduleSide.gif"></td>
1155 </tr>
1156
1157 </table>
1158
1159 <H2>
1160 Geant3 geometry tree of PHOS-CPV in ALICE
1161 </H2>
1162 <center>
1163 <img height=300 width=290 src="../images/CPVtree.gif">
1164 </center>
1165 */
1166 //END_HTML
1167
1168 Float_t par[3], x,y,z;
1169
1170 // Get pointer to the array containing media indexes
1171 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
1172
1173 // The box containing all CPV for one PHOS module filled with air
1174 par[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
1175 par[1] = fGeom->GetCPVBoxSize(1) / 2.0 ;
1176 par[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
1177 gMC->Gsvolu("CPV ", "BOX ", idtmed[798], par, 3) ;
1178
1179 y = fGeom->GetOuterBoxSize(1) / 2.0 ;
1180 gMC->Gspos("CPV ", 1, "PHOS", 0.0, y, 0.0, 0, "ONLY") ;
1181
1182 // Gassiplex board
1183
1184 par[0] = fGeom->GetGassiplexChipSize(0)/2.;
1185 par[1] = fGeom->GetGassiplexChipSize(1)/2.;
1186 par[2] = fGeom->GetGassiplexChipSize(2)/2.;
1187 gMC->Gsvolu("CPVC","BOX ",idtmed[707],par,3);
1188
1189 // Cu+Ni foil covers Gassiplex board
1190
1191 par[1] = fGeom->GetCPVCuNiFoilThickness()/2;
1192 gMC->Gsvolu("CPVD","BOX ",idtmed[710],par,3);
1193 y = -(fGeom->GetGassiplexChipSize(1)/2 - par[1]);
1194 gMC->Gspos("CPVD",1,"CPVC",0,y,0,0,"ONLY");
1195
1196 // Position of the chip inside CPV
1197
1198 Float_t xStep = fGeom->GetCPVActiveSize(0) / (fGeom->GetNumberOfCPVChipsPhi() + 1);
1199 Float_t zStep = fGeom->GetCPVActiveSize(1) / (fGeom->GetNumberOfCPVChipsZ() + 1);
1200 Int_t copy = 0;
1201 y = fGeom->GetCPVFrameSize(1)/2 - fGeom->GetFTPosition(0) +
1202 fGeom->GetCPVTextoliteThickness() / 2 + fGeom->GetGassiplexChipSize(1) / 2 + 0.1;
1203 for (Int_t ix=0; ix<fGeom->GetNumberOfCPVChipsPhi(); ix++) {
1204 x = xStep * (ix+1) - fGeom->GetCPVActiveSize(0)/2;
1205 for (Int_t iz=0; iz<fGeom->GetNumberOfCPVChipsZ(); iz++) {
1206 copy++;
1207 z = zStep * (iz+1) - fGeom->GetCPVActiveSize(1)/2;
1208 gMC->Gspos("CPVC",copy,"CPV",x,y,z,0,"ONLY");
1209 }
1210 }
1211
1212 // Foiled textolite (1 mm of textolite + 50 mkm of Cu + 6 mkm of Ni)
1213
1214 par[0] = fGeom->GetCPVActiveSize(0) / 2;
1215 par[1] = fGeom->GetCPVTextoliteThickness() / 2;
1216 par[2] = fGeom->GetCPVActiveSize(1) / 2;
1217 gMC->Gsvolu("CPVF","BOX ",idtmed[707],par,3);
1218
1219 // Argon gas volume
1220
1221 par[1] = (fGeom->GetFTPosition(2) - fGeom->GetFTPosition(1) - fGeom->GetCPVTextoliteThickness()) / 2;
1222 gMC->Gsvolu("CPVG","BOX ",idtmed[715],par,3);
1223
1224 for (Int_t i=0; i<4; i++) {
1225 y = fGeom->GetCPVFrameSize(1) / 2 - fGeom->GetFTPosition(i) + fGeom->GetCPVTextoliteThickness()/2;
1226 gMC->Gspos("CPVF",i+1,"CPV",0,y,0,0,"ONLY");
1227 if(i==1){
1228 y-= (fGeom->GetFTPosition(2) - fGeom->GetFTPosition(1)) / 2;
1229 gMC->Gspos("CPVG",1,"CPV ",0,y,0,0,"ONLY");
1230 }
1231 }
1232
1233 // Dummy sensitive plane in the middle of argone gas volume
1234
1235 par[1]=0.001;
1236 gMC->Gsvolu("CPVQ","BOX ",idtmed[715],par,3);
1237 gMC->Gspos ("CPVQ",1,"CPVG",0,0,0,0,"ONLY");
1238
1239 // Cu+Ni foil covers textolite
1240
1241 par[1] = fGeom->GetCPVCuNiFoilThickness() / 2;
1242 gMC->Gsvolu("CPV1","BOX ",idtmed[710],par,3);
1243 y = fGeom->GetCPVTextoliteThickness()/2 - par[1];
1244 gMC->Gspos ("CPV1",1,"CPVF",0,y,0,0,"ONLY");
1245
1246 // Aluminum frame around CPV
1247
1248 par[0] = fGeom->GetCPVFrameSize(0)/2;
1249 par[1] = fGeom->GetCPVFrameSize(1)/2;
1250 par[2] = fGeom->GetCPVBoxSize(2) /2;
1251 gMC->Gsvolu("CFR1","BOX ",idtmed[701],par,3);
1252
1253 par[0] = fGeom->GetCPVBoxSize(0)/2 - fGeom->GetCPVFrameSize(0);
1254 par[1] = fGeom->GetCPVFrameSize(1)/2;
1255 par[2] = fGeom->GetCPVFrameSize(2)/2;
1256 gMC->Gsvolu("CFR2","BOX ",idtmed[701],par,3);
1257
1258 for (Int_t j=0; j<=1; j++) {
1259 x = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(0) - fGeom->GetCPVFrameSize(0)) / 2;
1260 gMC->Gspos("CFR1",j+1,"CPV", x,0,0,0,"ONLY");
1261 z = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(2) - fGeom->GetCPVFrameSize(2)) / 2;
1262 gMC->Gspos("CFR2",j+1,"CPV",0, 0,z,0,"ONLY");
1263 }
1264
1265}
1266
1267
d15a28e7 1268//____________________________________________________________________________
1269void AliPHOSv0::Init(void)
1270{
b2a60966 1271 // Just prints an information message
1272
d15a28e7 1273 Int_t i;
1274
1275 printf("\n");
1276 for(i=0;i<35;i++) printf("*");
1277 printf(" PHOS_INIT ");
1278 for(i=0;i<35;i++) printf("*");
1279 printf("\n");
1280
1281 // Here the PHOS initialisation code (if any!)
1282
e04976bd 1283 if (fGeom!=0)
1284 cout << "AliPHOS" << Version() << " : PHOS geometry intialized for " << fGeom->GetName() << endl ;
1285 else
1286 cout << "AliPHOS" << Version() << " : PHOS geometry initialization failed !" << endl ;
1287
d15a28e7 1288 for(i=0;i<80;i++) printf("*");
1289 printf("\n");
1290
1291}
1292