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function ActivePPSD() added
[u/mrichter/AliRoot.git] / PHOS / AliPHOSv0.cxx
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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
5f20d3fb 21// An object of this class does not produce hits nor digits
22// It is the one to use if you do not want to produce outputs in TREEH or TREED
b2a60966 23//
24//*-- Author: Yves Schutz (SUBATECH)
25
d2cf0e38 26
fe4da5cc 27// --- ROOT system ---
d15a28e7 28
fe4da5cc 29#include "TBRIK.h"
30#include "TNode.h"
0869cea5 31#include "TRandom.h"
fe4da5cc 32
81e92872 33
d15a28e7 34// --- Standard library ---
35
de9ec31b 36#include <stdio.h>
37#include <string.h>
38#include <stdlib.h>
39#include <strstream.h>
d15a28e7 40
41// --- AliRoot header files ---
42
fe4da5cc 43#include "AliPHOSv0.h"
44#include "AliRun.h"
d15a28e7 45#include "AliConst.h"
fe4da5cc 46
47ClassImp(AliPHOSv0)
48
d15a28e7 49//____________________________________________________________________________
50AliPHOSv0::AliPHOSv0(const char *name, const char *title):
51 AliPHOS(name,title)
52{
b2a60966 53 // ctor : title is used to identify the layout
54 // GPS2 = 5 modules (EMC + PPSD)
fe4da5cc 55
d15a28e7 56 // gets an instance of the geometry parameters class
e04976bd 57
58 if (strcmp(GetTitle(),"") != 0 )
59 fGeom = AliPHOSGeometry::GetInstance(GetTitle(), "") ;
60
d15a28e7 61}
62
d15a28e7 63//____________________________________________________________________________
64void AliPHOSv0::BuildGeometry()
fe4da5cc 65{
b2a60966 66 // Build the PHOS geometry for the ROOT display
67 //BEGIN_HTML
68 /*
69 <H2>
70 PHOS in ALICE displayed by root
71 </H2>
72 <UL>
73 <LI> All Views
74 <P>
75 <CENTER>
76 <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif">
77 </CENTER></P></LI>
78 <LI> Front View
79 <P>
80 <CENTER>
81 <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif">
82 </CENTER></P></LI>
83 <LI> 3D View 1
84 <P>
85 <CENTER>
86 <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif">
87 </CENTER></P></LI>
88 <LI> 3D View 2
89 <P>
90 <CENTER>
91 <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif">
92 </CENTER></P></LI>
93 </UL>
94 */
95 //END_HTML
d15a28e7 96
97 this->BuildGeometryforPHOS() ;
98 if ( ( strcmp(fGeom->GetName(), "GPS2" ) == 0 ) )
99 this->BuildGeometryforPPSD() ;
100 else
101 cout << "AliPHOSv0::BuildGeometry : no charged particle identification system installed" << endl;
102
fe4da5cc 103}
d15a28e7 104
105//____________________________________________________________________________
106void AliPHOSv0:: BuildGeometryforPHOS(void)
107{
b2a60966 108 // Build the PHOS-EMC geometry for the ROOT display
d15a28e7 109
110 const Int_t kColorPHOS = kRed ;
111 const Int_t kColorXTAL = kBlue ;
112
92862013 113 Double_t const kRADDEG = 180.0 / kPI ;
d15a28e7 114
115 new TBRIK( "OuterBox", "PHOS box", "void", fGeom->GetOuterBoxSize(0)/2,
116 fGeom->GetOuterBoxSize(1)/2,
117 fGeom->GetOuterBoxSize(2)/2 );
118
119 // Textolit Wall box, position inside PHOS
120
121 new TBRIK( "TextolitBox", "PHOS Textolit box ", "void", fGeom->GetTextolitBoxSize(0)/2,
122 fGeom->GetTextolitBoxSize(1)/2,
123 fGeom->GetTextolitBoxSize(2)/2);
124
125 // Polystyrene Foam Plate
126
127 new TBRIK( "UpperFoamPlate", "PHOS Upper foam plate", "void", fGeom->GetTextolitBoxSize(0)/2,
128 fGeom->GetSecondUpperPlateThickness()/2,
129 fGeom->GetTextolitBoxSize(2)/2 ) ;
130
131 // Air Filled Box
fe4da5cc 132
d15a28e7 133 new TBRIK( "AirFilledBox", "PHOS air filled box", "void", fGeom->GetAirFilledBoxSize(0)/2,
134 fGeom->GetAirFilledBoxSize(1)/2,
135 fGeom->GetAirFilledBoxSize(2)/2 );
136
137 // Crystals Box
138
92862013 139 Float_t xtlX = fGeom->GetCrystalSize(0) ;
140 Float_t xtlY = fGeom->GetCrystalSize(1) ;
141 Float_t xtlZ = fGeom->GetCrystalSize(2) ;
d15a28e7 142
92862013 143 Float_t xl = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
144 Float_t yl = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0
d15a28e7 145 + fGeom->GetModuleBoxThickness() / 2.0 ;
92862013 146 Float_t zl = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
d15a28e7 147
92862013 148 new TBRIK( "CrystalsBox", "PHOS crystals box", "void", xl, yl, zl ) ;
d15a28e7 149
150// position PHOS into ALICE
151
92862013 152 Float_t r = fGeom->GetIPtoOuterCoverDistance() + fGeom->GetOuterBoxSize(1) / 2.0 ;
d15a28e7 153 Int_t number = 988 ;
154 Float_t pphi = TMath::ATan( fGeom->GetOuterBoxSize(0) / ( 2.0 * fGeom->GetIPtoOuterCoverDistance() ) ) ;
92862013 155 pphi *= kRADDEG ;
156 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
d15a28e7 157
158 char * nodename = new char[20] ;
159 char * rotname = new char[20] ;
160
161 for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) {
162 Float_t angle = pphi * 2 * ( i - fGeom->GetNModules() / 2.0 - 0.5 ) ;
163 sprintf(rotname, "%s%d", "rot", number++) ;
164 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
92862013 165 top->cd();
d15a28e7 166 sprintf(nodename,"%s%d", "Module", i) ;
92862013 167 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
168 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
169 TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ;
170 outerboxnode->SetLineColor(kColorPHOS) ;
171 fNodes->Add(outerboxnode) ;
172 outerboxnode->cd() ;
d15a28e7 173 // now inside the outer box the textolit box
92862013 174 y = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ;
d15a28e7 175 sprintf(nodename,"%s%d", "TexBox", i) ;
92862013 176 TNode * textolitboxnode = new TNode(nodename, nodename, "TextolitBox", 0, y, 0) ;
177 textolitboxnode->SetLineColor(kColorPHOS) ;
178 fNodes->Add(textolitboxnode) ;
d15a28e7 179 // upper foam plate inside outre box
92862013 180 outerboxnode->cd() ;
d15a28e7 181 sprintf(nodename, "%s%d", "UFPlate", i) ;
92862013 182 y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ;
183 TNode * upperfoamplatenode = new TNode(nodename, nodename, "UpperFoamPlate", 0, y, 0) ;
184 upperfoamplatenode->SetLineColor(kColorPHOS) ;
185 fNodes->Add(upperfoamplatenode) ;
d15a28e7 186 // air filled box inside textolit box (not drawn)
92862013 187 textolitboxnode->cd();
188 y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ;
d15a28e7 189 sprintf(nodename, "%s%d", "AFBox", i) ;
92862013 190 TNode * airfilledboxnode = new TNode(nodename, nodename, "AirFilledBox", 0, y, 0) ;
191 fNodes->Add(airfilledboxnode) ;
d15a28e7 192 // crystals box inside air filled box
92862013 193 airfilledboxnode->cd() ;
194 y = fGeom->GetAirFilledBoxSize(1) / 2.0 - yl
d15a28e7 195 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
196 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ;
197 sprintf(nodename, "%s%d", "XTBox", i) ;
92862013 198 TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, y, 0) ;
199 crystalsboxnode->SetLineColor(kColorXTAL) ;
200 fNodes->Add(crystalsboxnode) ;
d15a28e7 201 }
b27d82c8 202
203 delete[] rotname ;
204 delete[] nodename ;
d15a28e7 205}
206
207//____________________________________________________________________________
208void AliPHOSv0:: BuildGeometryforPPSD(void)
fe4da5cc 209{
b2a60966 210 // Build the PHOS-PPSD geometry for the ROOT display
211 //BEGIN_HTML
212 /*
213 <H2>
214 PPSD displayed by root
215 </H2>
216 <UL>
217 <LI> Zoom on PPSD: Front View
218 <P>
219 <CENTER>
220 <IMG Align=BOTTOM ALT="PPSD Front View" SRC="../images/AliPHOSv0PPSDFrontView.gif">
221 </CENTER></P></LI>
222 <LI> Zoom on PPSD: Perspective View
223 <P>
224 <CENTER>
225 <IMG Align=BOTTOM ALT="PPSD Prespective View" SRC="../images/AliPHOSv0PPSDPerspectiveView.gif">
226 </CENTER></P></LI>
227 </UL>
228 */
229 //END_HTML
92862013 230 Double_t const kRADDEG = 180.0 / kPI ;
d15a28e7 231
232 const Int_t kColorPHOS = kRed ;
233 const Int_t kColorPPSD = kGreen ;
234 const Int_t kColorGas = kBlue ;
235 const Int_t kColorAir = kYellow ;
236
237 // Box for a full PHOS module
238
239 new TBRIK( "PPSDBox", "PPSD box", "void", fGeom->GetPPSDBoxSize(0)/2,
240 fGeom->GetPPSDBoxSize(1)/2,
241 fGeom->GetPPSDBoxSize(2)/2 );
242
243 // Box containing one micromegas module
244
245 new TBRIK( "PPSDModule", "PPSD module", "void", fGeom->GetPPSDModuleSize(0)/2,
246 fGeom->GetPPSDModuleSize(1)/2,
247 fGeom->GetPPSDModuleSize(2)/2 );
248 // top lid
249
250 new TBRIK ( "TopLid", "Micromegas top lid", "void", fGeom->GetPPSDModuleSize(0)/2,
251 fGeom->GetLidThickness()/2,
252 fGeom->GetPPSDModuleSize(2)/2 ) ;
253 // composite panel (top and bottom)
254
255 new TBRIK ( "TopPanel", "Composite top panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
256 fGeom->GetCompositeThickness()/2,
257 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
258
259 new TBRIK ( "BottomPanel", "Composite bottom panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
260 fGeom->GetCompositeThickness()/2,
261 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
262 // gas gap (conversion and avalanche)
263
264 new TBRIK ( "GasGap", "gas gap", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
265 ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() )/2,
266 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
267
268 // anode and cathode
269
270 new TBRIK ( "Anode", "Anode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
271 fGeom->GetAnodeThickness()/2,
272 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
273
274 new TBRIK ( "Cathode", "Cathode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
275 fGeom->GetCathodeThickness()/2,
276 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
277 // PC
278
279 new TBRIK ( "PCBoard", "Printed Circuit", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
280 fGeom->GetPCThickness()/2,
281 ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
282 // Gap between Lead and top micromegas
283
284 new TBRIK ( "LeadToM", "Air Gap top", "void", fGeom->GetPPSDBoxSize(0)/2,
285 fGeom->GetMicro1ToLeadGap()/2,
286 fGeom->GetPPSDBoxSize(2)/2 ) ;
287
288// Gap between Lead and bottom micromegas
289
290 new TBRIK ( "MToLead", "Air Gap bottom", "void", fGeom->GetPPSDBoxSize(0)/2,
291 fGeom->GetLeadToMicro2Gap()/2,
292 fGeom->GetPPSDBoxSize(2)/2 ) ;
293 // Lead converter
294
295 new TBRIK ( "Lead", "Lead converter", "void", fGeom->GetPPSDBoxSize(0)/2,
296 fGeom->GetLeadConverterThickness()/2,
297 fGeom->GetPPSDBoxSize(2)/2 ) ;
298
299 // position PPSD into ALICE
300
301 char * nodename = new char[20] ;
302 char * rotname = new char[20] ;
303
92862013 304 Float_t r = fGeom->GetIPtoTopLidDistance() + fGeom->GetPPSDBoxSize(1) / 2.0 ;
d15a28e7 305 Int_t number = 988 ;
92862013 306 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
d15a28e7 307
308 for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) { // the number of PHOS modules
309 Float_t angle = fGeom->GetPHOSAngle(i) ;
310 sprintf(rotname, "%s%d", "rotg", number++) ;
311 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
92862013 312 top->cd();
d15a28e7 313 sprintf(nodename, "%s%d", "Moduleg", i) ;
92862013 314 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
315 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
316 TNode * ppsdboxnode = new TNode(nodename , nodename ,"PPSDBox", x, y, 0, rotname ) ;
317 ppsdboxnode->SetLineColor(kColorPPSD) ;
318 fNodes->Add(ppsdboxnode) ;
319 ppsdboxnode->cd() ;
d15a28e7 320 // inside the PPSD box:
321 // 1. fNumberOfModulesPhi x fNumberOfModulesZ top micromegas
92862013 322 x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
31aa6d6c 323 {
324 for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module
325 Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
326 TNode * micro1node ;
327 for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module
328 y = ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
329 sprintf(nodename, "%s%d%d%d", "Mic1", i, iphi, iz) ;
330 micro1node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
331 micro1node->SetLineColor(kColorPPSD) ;
332 fNodes->Add(micro1node) ;
333 // inside top micromegas
334 micro1node->cd() ;
335 // a. top lid
336 y = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ;
337 sprintf(nodename, "%s%d%d%d", "Lid", i, iphi, iz) ;
338 TNode * toplidnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ;
339 toplidnode->SetLineColor(kColorPPSD) ;
340 fNodes->Add(toplidnode) ;
341 // b. composite panel
342 y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
343 sprintf(nodename, "%s%d%d%d", "CompU", i, iphi, iz) ;
344 TNode * compupnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ;
345 compupnode->SetLineColor(kColorPPSD) ;
346 fNodes->Add(compupnode) ;
347 // c. anode
348 y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
349 sprintf(nodename, "%s%d%d%d", "Ano", i, iphi, iz) ;
350 TNode * anodenode = new TNode(nodename, nodename, "Anode", 0, y, 0) ;
351 anodenode->SetLineColor(kColorPHOS) ;
352 fNodes->Add(anodenode) ;
353 // d. gas
354 y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
355 sprintf(nodename, "%s%d%d%d", "GGap", i, iphi, iz) ;
356 TNode * ggapnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ;
357 ggapnode->SetLineColor(kColorGas) ;
358 fNodes->Add(ggapnode) ;
d15a28e7 359 // f. cathode
31aa6d6c 360 y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
361 sprintf(nodename, "%s%d%d%d", "Cathode", i, iphi, iz) ;
362 TNode * cathodenode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ;
363 cathodenode->SetLineColor(kColorPHOS) ;
364 fNodes->Add(cathodenode) ;
365 // g. printed circuit
366 y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
367 sprintf(nodename, "%s%d%d%d", "PC", i, iphi, iz) ;
368 TNode * pcnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ;
369 pcnode->SetLineColor(kColorPPSD) ;
370 fNodes->Add(pcnode) ;
371 // h. composite panel
372 y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
373 sprintf(nodename, "%s%d%d%d", "CompDown", i, iphi, iz) ;
374 TNode * compdownnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ;
375 compdownnode->SetLineColor(kColorPPSD) ;
376 fNodes->Add(compdownnode) ;
377 z = z - fGeom->GetPPSDModuleSize(2) ;
378 ppsdboxnode->cd() ;
379 } // end of Z module loop
380 x = x - fGeom->GetPPSDModuleSize(0) ;
92862013 381 ppsdboxnode->cd() ;
31aa6d6c 382 } // end of phi module loop
383 }
d15a28e7 384 // 2. air gap
92862013 385 ppsdboxnode->cd() ;
386 y = ( fGeom->GetPPSDBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
d15a28e7 387 sprintf(nodename, "%s%d", "GapUp", i) ;
92862013 388 TNode * gapupnode = new TNode(nodename, nodename, "LeadToM", 0, y, 0) ;
389 gapupnode->SetLineColor(kColorAir) ;
390 fNodes->Add(gapupnode) ;
d15a28e7 391 // 3. lead converter
92862013 392 y = y - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ;
d15a28e7 393 sprintf(nodename, "%s%d", "LeadC", i) ;
92862013 394 TNode * leadcnode = new TNode(nodename, nodename, "Lead", 0, y, 0) ;
395 leadcnode->SetLineColor(kColorPPSD) ;
396 fNodes->Add(leadcnode) ;
d15a28e7 397 // 4. air gap
92862013 398 y = y - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ;
d15a28e7 399 sprintf(nodename, "%s%d", "GapDown", i) ;
92862013 400 TNode * gapdownnode = new TNode(nodename, nodename, "MToLead", 0, y, 0) ;
401 gapdownnode->SetLineColor(kColorAir) ;
402 fNodes->Add(gapdownnode) ;
d15a28e7 403 // 5. fNumberOfModulesPhi x fNumberOfModulesZ bottom micromegas
92862013 404 x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ;
31aa6d6c 405 {
406 for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) {
407 Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. - fGeom->GetZDisplacement() ;;
408 TNode * micro2node ;
409 for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) {
410 y = - ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
411 sprintf(nodename, "%s%d%d%d", "Mic2", i, iphi, iz) ;
412 micro2node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
413 micro2node->SetLineColor(kColorPPSD) ;
414 fNodes->Add(micro2node) ;
415 // inside bottom micromegas
416 micro2node->cd() ;
d15a28e7 417 // a. top lid
92862013 418 y = ( fGeom->GetMicromegas2Thickness() - fGeom->GetLidThickness() ) / 2. ;
d15a28e7 419 sprintf(nodename, "%s%d", "Lidb", i) ;
92862013 420 TNode * toplidbnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ;
421 toplidbnode->SetLineColor(kColorPPSD) ;
422 fNodes->Add(toplidbnode) ;
d15a28e7 423 // b. composite panel
92862013 424 y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
d15a28e7 425 sprintf(nodename, "%s%d", "CompUb", i) ;
92862013 426 TNode * compupbnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ;
427 compupbnode->SetLineColor(kColorPPSD) ;
428 fNodes->Add(compupbnode) ;
d15a28e7 429 // c. anode
92862013 430 y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
d15a28e7 431 sprintf(nodename, "%s%d", "Anob", i) ;
92862013 432 TNode * anodebnode = new TNode(nodename, nodename, "Anode", 0, y, 0) ;
433 anodebnode->SetLineColor(kColorPPSD) ;
434 fNodes->Add(anodebnode) ;
d15a28e7 435 // d. conversion gas
92862013 436 y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
d15a28e7 437 sprintf(nodename, "%s%d", "GGapb", i) ;
92862013 438 TNode * ggapbnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ;
439 ggapbnode->SetLineColor(kColorGas) ;
440 fNodes->Add(ggapbnode) ;
d15a28e7 441 // f. cathode
92862013 442 y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
d15a28e7 443 sprintf(nodename, "%s%d", "Cathodeb", i) ;
92862013 444 TNode * cathodebnode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ;
445 cathodebnode->SetLineColor(kColorPPSD) ;
446 fNodes->Add(cathodebnode) ;
d15a28e7 447 // g. printed circuit
92862013 448 y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
d15a28e7 449 sprintf(nodename, "%s%d", "PCb", i) ;
92862013 450 TNode * pcbnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ;
451 pcbnode->SetLineColor(kColorPPSD) ;
452 fNodes->Add(pcbnode) ;
d15a28e7 453 // h. composite pane
92862013 454 y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
d15a28e7 455 sprintf(nodename, "%s%d", "CompDownb", i) ;
92862013 456 TNode * compdownbnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ;
457 compdownbnode->SetLineColor(kColorPPSD) ;
458 fNodes->Add(compdownbnode) ;
459 z = z - fGeom->GetPPSDModuleSize(2) ;
460 ppsdboxnode->cd() ;
d15a28e7 461 } // end of Z module loop
92862013 462 x = x - fGeom->GetPPSDModuleSize(0) ;
463 ppsdboxnode->cd() ;
31aa6d6c 464 } // end of phi module loop
465 }
466 } // PHOS modules
467
e126816e 468 delete[] rotname ;
469 delete[] nodename ;
31aa6d6c 470
fe4da5cc 471}
472
d15a28e7 473//____________________________________________________________________________
fe4da5cc 474void AliPHOSv0::CreateGeometry()
475{
b2a60966 476 // Create the PHOS geometry for Geant
d15a28e7 477
92862013 478 AliPHOSv0 *phostmp = (AliPHOSv0*)gAlice->GetModule("PHOS") ;
d15a28e7 479
92862013 480 if ( phostmp == NULL ) {
d15a28e7 481
482 fprintf(stderr, "PHOS detector not found!\n") ;
483 return;
fe4da5cc 484
d15a28e7 485 }
d15a28e7 486 // Get pointer to the array containing media indeces
92862013 487 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
d15a28e7 488
92862013 489 Float_t bigbox[3] ;
490 bigbox[0] = fGeom->GetOuterBoxSize(0) / 2.0 ;
491 bigbox[1] = ( fGeom->GetOuterBoxSize(1) + fGeom->GetPPSDBoxSize(1) ) / 2.0 ;
492 bigbox[2] = fGeom->GetOuterBoxSize(2) / 2.0 ;
d15a28e7 493
92862013 494 gMC->Gsvolu("PHOS", "BOX ", idtmed[798], bigbox, 3) ;
d15a28e7 495
496 this->CreateGeometryforPHOS() ;
497 if ( strcmp( fGeom->GetName(), "GPS2") == 0 )
498 this->CreateGeometryforPPSD() ;
499 else
500 cout << "AliPHOSv0::CreateGeometry : no charged particle identification system installed" << endl;
501
502 // --- Position PHOS mdules in ALICE setup ---
503
92862013 504 Int_t idrotm[99] ;
505 Double_t const kRADDEG = 180.0 / kPI ;
d15a28e7 506
507 for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) {
508
509 Float_t angle = fGeom->GetPHOSAngle(i) ;
92862013 510 AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ;
d15a28e7 511
92862013 512 Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetPPSDBoxSize(1) ) / 2.0 ;
d15a28e7 513
92862013 514 Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
515 Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
d15a28e7 516
92862013 517 gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
d15a28e7 518
519 } // for GetNModules
520
fe4da5cc 521}
d15a28e7 522
523//____________________________________________________________________________
524void AliPHOSv0::CreateGeometryforPHOS()
525{
b2a60966 526 // Create the PHOS-EMC geometry for GEANT
527 //BEGIN_HTML
528 /*
529 <H2>
530 Geant3 geometry tree of PHOS-EMC in ALICE
531 </H2>
532 <P><CENTER>
533 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif">
534 </CENTER><P>
535 */
536 //END_HTML
537
538 // Get pointer to the array containing media indexes
92862013 539 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
d15a28e7 540
541 // ---
542 // --- Define PHOS box volume, fPUFPill with thermo insulating foam ---
543 // --- Foam Thermo Insulating outer cover dimensions ---
92862013 544 // --- Put it in bigbox = PHOS
d15a28e7 545
92862013 546 Float_t dphos[3] ;
547 dphos[0] = fGeom->GetOuterBoxSize(0) / 2.0 ;
548 dphos[1] = fGeom->GetOuterBoxSize(1) / 2.0 ;
549 dphos[2] = fGeom->GetOuterBoxSize(2) / 2.0 ;
d15a28e7 550
92862013 551 gMC->Gsvolu("EMCA", "BOX ", idtmed[706], dphos, 3) ;
d15a28e7 552
92862013 553 Float_t yO = - fGeom->GetPPSDBoxSize(1) / 2.0 ;
d15a28e7 554
92862013 555 gMC->Gspos("EMCA", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 556
557 // ---
558 // --- Define Textolit Wall box, position inside EMCA ---
559 // --- Textolit Wall box dimentions ---
560
561
92862013 562 Float_t dptxw[3];
563 dptxw[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ;
564 dptxw[1] = fGeom->GetTextolitBoxSize(1) / 2.0 ;
565 dptxw[2] = fGeom->GetTextolitBoxSize(2) / 2.0 ;
d15a28e7 566
92862013 567 gMC->Gsvolu("PTXW", "BOX ", idtmed[707], dptxw, 3);
d15a28e7 568
92862013 569 yO = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ;
d15a28e7 570
92862013 571 gMC->Gspos("PTXW", 1, "EMCA", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 572
573 // ---
574 // --- Define Upper Polystyrene Foam Plate, place inside PTXW ---
575 // --- immediately below Foam Thermo Insulation Upper plate ---
576
577 // --- Upper Polystyrene Foam plate thickness ---
578
92862013 579 Float_t dpufp[3] ;
580 dpufp[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ;
581 dpufp[1] = fGeom->GetSecondUpperPlateThickness() / 2. ;
582 dpufp[2] = fGeom->GetTextolitBoxSize(2) /2.0 ;
d15a28e7 583
92862013 584 gMC->Gsvolu("PUFP", "BOX ", idtmed[703], dpufp, 3) ;
d15a28e7 585
92862013 586 yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ;
d15a28e7 587
92862013 588 gMC->Gspos("PUFP", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 589
590 // ---
591 // --- Define air-filled box, place inside PTXW ---
592 // --- Inner AIR volume dimensions ---
fe4da5cc 593
d15a28e7 594
92862013 595 Float_t dpair[3] ;
596 dpair[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
597 dpair[1] = fGeom->GetAirFilledBoxSize(1) / 2.0 ;
598 dpair[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
d15a28e7 599
92862013 600 gMC->Gsvolu("PAIR", "BOX ", idtmed[798], dpair, 3) ;
d15a28e7 601
92862013 602 yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ;
d15a28e7 603
92862013 604 gMC->Gspos("PAIR", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 605
606// --- Dimensions of PbWO4 crystal ---
607
92862013 608 Float_t xtlX = fGeom->GetCrystalSize(0) ;
609 Float_t xtlY = fGeom->GetCrystalSize(1) ;
610 Float_t xtlZ = fGeom->GetCrystalSize(2) ;
d15a28e7 611
92862013 612 Float_t dptcb[3] ;
613 dptcb[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
614 dptcb[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0
d15a28e7 615 + fGeom->GetModuleBoxThickness() / 2.0 ;
92862013 616 dptcb[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
d15a28e7 617
92862013 618 gMC->Gsvolu("PTCB", "BOX ", idtmed[706], dptcb, 3) ;
d15a28e7 619
92862013 620 yO = fGeom->GetAirFilledBoxSize(1) / 2.0 - dptcb[1]
d15a28e7 621 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
622 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ;
623
92862013 624 gMC->Gspos("PTCB", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 625
626 // ---
627 // --- Define Crystal BLock filled with air, position it inside PTCB ---
92862013 628 Float_t dpcbl[3] ;
d15a28e7 629
92862013 630 dpcbl[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ;
631 dpcbl[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
632 dpcbl[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ;
d15a28e7 633
92862013 634 gMC->Gsvolu("PCBL", "BOX ", idtmed[798], dpcbl, 3) ;
d15a28e7 635
636 // --- Divide PCBL in X (phi) and Z directions --
637 gMC->Gsdvn("PROW", "PCBL", Int_t (fGeom->GetNPhi()), 1) ;
638 gMC->Gsdvn("PCEL", "PROW", Int_t (fGeom->GetNZ()), 3) ;
639
92862013 640 yO = -fGeom->GetModuleBoxThickness() / 2.0 ;
d15a28e7 641
92862013 642 gMC->Gspos("PCBL", 1, "PTCB", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 643
644 // ---
645 // --- Define STeel (actually, it's titanium) Cover volume, place inside PCEL
92862013 646 Float_t dpstc[3] ;
d15a28e7 647
92862013 648 dpstc[0] = ( xtlX + 2 * fGeom->GetCrystalWrapThickness() ) / 2.0 ;
649 dpstc[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
650 dpstc[2] = ( xtlZ + 2 * fGeom->GetCrystalWrapThickness() + 2 * fGeom->GetCrystalHolderThickness() ) / 2.0 ;
d15a28e7 651
92862013 652 gMC->Gsvolu("PSTC", "BOX ", idtmed[704], dpstc, 3) ;
d15a28e7 653
654 gMC->Gspos("PSTC", 1, "PCEL", 0.0, 0.0, 0.0, 0, "ONLY") ;
655
656 // ---
657 // --- Define Tyvek volume, place inside PSTC ---
92862013 658 Float_t dppap[3] ;
d15a28e7 659
92862013 660 dppap[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ;
661 dppap[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ;
662 dppap[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ;
d15a28e7 663
92862013 664 gMC->Gsvolu("PPAP", "BOX ", idtmed[702], dppap, 3) ;
d15a28e7 665
92862013 666 yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0
667 - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
d15a28e7 668
92862013 669 gMC->Gspos("PPAP", 1, "PSTC", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 670
671 // ---
672 // --- Define PbWO4 crystal volume, place inside PPAP ---
92862013 673 Float_t dpxtl[3] ;
d15a28e7 674
92862013 675 dpxtl[0] = xtlX / 2.0 ;
676 dpxtl[1] = xtlY / 2.0 ;
677 dpxtl[2] = xtlZ / 2.0 ;
d15a28e7 678
92862013 679 gMC->Gsvolu("PXTL", "BOX ", idtmed[699], dpxtl, 3) ;
d15a28e7 680
92862013 681 yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 - xtlY / 2.0 - fGeom->GetCrystalWrapThickness() ;
d15a28e7 682
92862013 683 gMC->Gspos("PXTL", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 684
685 // ---
686 // --- Define crystal support volume, place inside PPAP ---
92862013 687 Float_t dpsup[3] ;
d15a28e7 688
92862013 689 dpsup[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ;
690 dpsup[1] = fGeom->GetCrystalSupportHeight() / 2.0 ;
691 dpsup[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ;
d15a28e7 692
92862013 693 gMC->Gsvolu("PSUP", "BOX ", idtmed[798], dpsup, 3) ;
d15a28e7 694
92862013 695 yO = fGeom->GetCrystalSupportHeight() / 2.0 - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ;
d15a28e7 696
92862013 697 gMC->Gspos("PSUP", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 698
699 // ---
700 // --- Define PIN-diode volume and position it inside crystal support ---
701 // --- right behind PbWO4 crystal
702
703 // --- PIN-diode dimensions ---
704
705
92862013 706 Float_t dppin[3] ;
707 dppin[0] = fGeom->GetPinDiodeSize(0) / 2.0 ;
708 dppin[1] = fGeom->GetPinDiodeSize(1) / 2.0 ;
709 dppin[2] = fGeom->GetPinDiodeSize(2) / 2.0 ;
d15a28e7 710
92862013 711 gMC->Gsvolu("PPIN", "BOX ", idtmed[705], dppin, 3) ;
d15a28e7 712
92862013 713 yO = fGeom->GetCrystalSupportHeight() / 2.0 - fGeom->GetPinDiodeSize(1) / 2.0 ;
d15a28e7 714
92862013 715 gMC->Gspos("PPIN", 1, "PSUP", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 716
717 // ---
718 // --- Define Upper Cooling Panel, place it on top of PTCB ---
92862013 719 Float_t dpucp[3] ;
d15a28e7 720 // --- Upper Cooling Plate thickness ---
721
92862013 722 dpucp[0] = dptcb[0] ;
723 dpucp[1] = fGeom->GetUpperCoolingPlateThickness() ;
724 dpucp[2] = dptcb[2] ;
d15a28e7 725
92862013 726 gMC->Gsvolu("PUCP", "BOX ", idtmed[701], dpucp,3) ;
d15a28e7 727
92862013 728 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetUpperCoolingPlateThickness() ) / 2.
d15a28e7 729 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
730 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() - fGeom->GetUpperCoolingPlateThickness() ) ;
731
92862013 732 gMC->Gspos("PUCP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 733
734 // ---
735 // --- Define Al Support Plate, position it inside PAIR ---
736 // --- right beneath PTCB ---
737 // --- Al Support Plate thickness ---
738
92862013 739 Float_t dpasp[3] ;
740 dpasp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
741 dpasp[1] = fGeom->GetSupportPlateThickness() / 2.0 ;
742 dpasp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
d15a28e7 743
92862013 744 gMC->Gsvolu("PASP", "BOX ", idtmed[701], dpasp, 3) ;
d15a28e7 745
92862013 746 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetSupportPlateThickness() ) / 2.
d15a28e7 747 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance()
92862013 748 - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 ) ;
d15a28e7 749
92862013 750 gMC->Gspos("PASP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 751
752 // ---
753 // --- Define Thermo Insulating Plate, position it inside PAIR ---
754 // --- right beneath PASP ---
755 // --- Lower Thermo Insulating Plate thickness ---
756
92862013 757 Float_t dptip[3] ;
758 dptip[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
759 dptip[1] = fGeom->GetLowerThermoPlateThickness() / 2.0 ;
760 dptip[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
d15a28e7 761
92862013 762 gMC->Gsvolu("PTIP", "BOX ", idtmed[706], dptip, 3) ;
d15a28e7 763
92862013 764 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerThermoPlateThickness() ) / 2.
d15a28e7 765 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness()
92862013 766 - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness() ) ;
d15a28e7 767
92862013 768 gMC->Gspos("PTIP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 769
770 // ---
771 // --- Define Textolit Plate, position it inside PAIR ---
772 // --- right beneath PTIP ---
773 // --- Lower Textolit Plate thickness ---
774
92862013 775 Float_t dptxp[3] ;
776 dptxp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
777 dptxp[1] = fGeom->GetLowerTextolitPlateThickness() / 2.0 ;
778 dptxp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
d15a28e7 779
92862013 780 gMC->Gsvolu("PTXP", "BOX ", idtmed[707], dptxp, 3) ;
d15a28e7 781
92862013 782 yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerTextolitPlateThickness() ) / 2.
d15a28e7 783 - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness()
92862013 784 - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness()
d15a28e7 785 + fGeom->GetLowerThermoPlateThickness() ) ;
786
92862013 787 gMC->Gspos("PTXP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 788
789}
790
791//____________________________________________________________________________
792void AliPHOSv0::CreateGeometryforPPSD()
fe4da5cc 793{
b2a60966 794 // Create the PHOS-PPSD geometry for GEANT
795
796 //BEGIN_HTML
797 /*
798 <H2>
799 Geant3 geometry tree of PHOS-PPSD in ALICE
800 </H2>
801 <P><CENTER>
802 <IMG Align=BOTTOM ALT="PPSD geant tree" SRC="../images/PPSDinAlice.gif">
803 </CENTER><P>
804 */
805 //END_HTML
806
807 // Get pointer to the array containing media indexes
92862013 808 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
d15a28e7 809
92862013 810 // The box containing all ppsd's for one PHOS module filled with air
811 Float_t ppsd[3] ;
812 ppsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ;
813 ppsd[1] = fGeom->GetPPSDBoxSize(1) / 2.0 ;
814 ppsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ;
fe4da5cc 815
92862013 816 gMC->Gsvolu("PPSD", "BOX ", idtmed[798], ppsd, 3) ;
d15a28e7 817
92862013 818 Float_t yO = fGeom->GetOuterBoxSize(1) / 2.0 ;
d15a28e7 819
92862013 820 gMC->Gspos("PPSD", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
d15a28e7 821
822 // Now we build a micromegas module
823 // The box containing the whole module filled with epoxy (FR4)
824
92862013 825 Float_t mppsd[3] ;
826 mppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ;
827 mppsd[1] = fGeom->GetPPSDModuleSize(1) / 2.0 ;
828 mppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ;
d15a28e7 829
92862013 830 gMC->Gsvolu("MPPS", "BOX ", idtmed[708], mppsd, 3) ;
d15a28e7 831
92862013 832 // Inside mppsd :
d15a28e7 833 // 1. The Top Lid made of epoxy (FR4)
834
92862013 835 Float_t tlppsd[3] ;
836 tlppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ;
837 tlppsd[1] = fGeom->GetLidThickness() / 2.0 ;
838 tlppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ;
d15a28e7 839
92862013 840 gMC->Gsvolu("TLPS", "BOX ", idtmed[708], tlppsd, 3) ;
d15a28e7 841
92862013 842 Float_t y0 = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ;
d15a28e7 843
92862013 844 gMC->Gspos("TLPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 845
846 // 2. the upper panel made of composite material
847
92862013 848 Float_t upppsd[3] ;
849 upppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
850 upppsd[1] = fGeom->GetCompositeThickness() / 2.0 ;
851 upppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 852
92862013 853 gMC->Gsvolu("UPPS", "BOX ", idtmed[709], upppsd, 3) ;
d15a28e7 854
92862013 855 y0 = y0 - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
d15a28e7 856
92862013 857 gMC->Gspos("UPPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 858
859 // 3. the anode made of Copper
860
92862013 861 Float_t anppsd[3] ;
862 anppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
863 anppsd[1] = fGeom->GetAnodeThickness() / 2.0 ;
864 anppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 865
92862013 866 gMC->Gsvolu("ANPS", "BOX ", idtmed[710], anppsd, 3) ;
d15a28e7 867
92862013 868 y0 = y0 - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
d15a28e7 869
92862013 870 gMC->Gspos("ANPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 871
872 // 4. the conversion gap + avalanche gap filled with gas
873
92862013 874 Float_t ggppsd[3] ;
875 ggppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
876 ggppsd[1] = ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2.0 ;
877 ggppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 878
92862013 879 gMC->Gsvolu("GGPS", "BOX ", idtmed[715], ggppsd, 3) ;
d15a28e7 880
881 // --- Divide GGPP in X (phi) and Z directions --
882 gMC->Gsdvn("GROW", "GGPS", fGeom->GetNumberOfPadsPhi(), 1) ;
883 gMC->Gsdvn("GCEL", "GROW", fGeom->GetNumberOfPadsZ() , 3) ;
884
92862013 885 y0 = y0 - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
d15a28e7 886
92862013 887 gMC->Gspos("GGPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 888
889
890 // 6. the cathode made of Copper
891
92862013 892 Float_t cappsd[3] ;
893 cappsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
894 cappsd[1] = fGeom->GetCathodeThickness() / 2.0 ;
895 cappsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 896
92862013 897 gMC->Gsvolu("CAPS", "BOX ", idtmed[710], cappsd, 3) ;
d15a28e7 898
92862013 899 y0 = y0 - ( fGeom->GetAvalancheGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
d15a28e7 900
92862013 901 gMC->Gspos("CAPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 902
903 // 7. the printed circuit made of G10
904
92862013 905 Float_t pcppsd[3] ;
906 pcppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2,.0 ;
907 pcppsd[1] = fGeom->GetPCThickness() / 2.0 ;
908 pcppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 909
92862013 910 gMC->Gsvolu("PCPS", "BOX ", idtmed[711], cappsd, 3) ;
d15a28e7 911
92862013 912 y0 = y0 - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
d15a28e7 913
92862013 914 gMC->Gspos("PCPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 915
916 // 8. the lower panel made of composite material
917
92862013 918 Float_t lpppsd[3] ;
919 lpppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
920 lpppsd[1] = fGeom->GetCompositeThickness() / 2.0 ;
921 lpppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
d15a28e7 922
92862013 923 gMC->Gsvolu("LPPS", "BOX ", idtmed[709], lpppsd, 3) ;
d15a28e7 924
92862013 925 y0 = y0 - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
d15a28e7 926
92862013 927 gMC->Gspos("LPPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 928
92862013 929 // Position the fNumberOfModulesPhi x fNumberOfModulesZ modules (mppsd) inside PPSD to cover a PHOS module
d15a28e7 930 // the top and bottom one's (which are assumed identical) :
931
92862013 932 Float_t yt = ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
933 Float_t yb = - ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
d15a28e7 934
92862013 935 Int_t copyNumbertop = 0 ;
936 Int_t copyNumberbot = fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() ;
d15a28e7 937
92862013 938 Float_t x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
d15a28e7 939
940 for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module
92862013 941 Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
d15a28e7 942
943 for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module
92862013 944 gMC->Gspos("MPPS", ++copyNumbertop, "PPSD", x, yt, z, 0, "ONLY") ;
945 gMC->Gspos("MPPS", ++copyNumberbot, "PPSD", x, yb, z, 0, "ONLY") ;
946 z = z - fGeom->GetPPSDModuleSize(2) ;
d15a28e7 947 } // end of Z module loop
92862013 948 x = x - fGeom->GetPPSDModuleSize(0) ;
d15a28e7 949 } // end of phi module loop
950
951 // The Lead converter between two air gaps
952 // 1. Upper air gap
953
92862013 954 Float_t uappsd[3] ;
955 uappsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ;
956 uappsd[1] = fGeom->GetMicro1ToLeadGap() / 2.0 ;
957 uappsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ;
d15a28e7 958
92862013 959 gMC->Gsvolu("UAPPSD", "BOX ", idtmed[798], uappsd, 3) ;
d15a28e7 960
92862013 961 y0 = ( fGeom->GetPPSDBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
d15a28e7 962
92862013 963 gMC->Gspos("UAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 964
965 // 2. Lead converter
966
92862013 967 Float_t lcppsd[3] ;
968 lcppsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ;
969 lcppsd[1] = fGeom->GetLeadConverterThickness() / 2.0 ;
970 lcppsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ;
d15a28e7 971
92862013 972 gMC->Gsvolu("LCPPSD", "BOX ", idtmed[712], lcppsd, 3) ;
d15a28e7 973
92862013 974 y0 = y0 - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ;
d15a28e7 975
92862013 976 gMC->Gspos("LCPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 977
978 // 3. Lower air gap
979
92862013 980 Float_t lappsd[3] ;
981 lappsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ;
982 lappsd[1] = fGeom->GetLeadToMicro2Gap() / 2.0 ;
983 lappsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ;
d15a28e7 984
92862013 985 gMC->Gsvolu("LAPPSD", "BOX ", idtmed[798], lappsd, 3) ;
fe4da5cc 986
92862013 987 y0 = y0 - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ;
d15a28e7 988
92862013 989 gMC->Gspos("LAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
d15a28e7 990
fe4da5cc 991}
992
d15a28e7 993
994//____________________________________________________________________________
995void AliPHOSv0::Init(void)
996{
b2a60966 997 // Just prints an information message
998
d15a28e7 999 Int_t i;
1000
1001 printf("\n");
1002 for(i=0;i<35;i++) printf("*");
1003 printf(" PHOS_INIT ");
1004 for(i=0;i<35;i++) printf("*");
1005 printf("\n");
1006
1007 // Here the PHOS initialisation code (if any!)
1008
e04976bd 1009 if (fGeom!=0)
1010 cout << "AliPHOS" << Version() << " : PHOS geometry intialized for " << fGeom->GetName() << endl ;
1011 else
1012 cout << "AliPHOS" << Version() << " : PHOS geometry initialization failed !" << endl ;
1013
d15a28e7 1014 for(i=0;i<80;i++) printf("*");
1015 printf("\n");
1016
1017}
1018