1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
17 //_________________________________________________________________________
18 // Implementation version v0 of PHOS Manager class
19 // An object of this class does not produce hits nor digits
20 // It is the one to use if you do not want to produce outputs in TREEH or TREED
22 //*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (RRC KI & SUBATECH)
25 // --- ROOT system ---
29 #include <TGeometry.h>
35 #include <TVirtualMC.h>
37 // --- Standard library ---
42 // --- AliRoot header files ---
45 #include "AliPHOSGeometry.h"
46 #include "AliPHOSLoader.h"
47 #include "AliPHOSv0.h"
52 //____________________________________________________________________________
53 AliPHOSv0::AliPHOSv0(const char *name, const char *title):
56 // ctor : title is used to identify the layout
60 //____________________________________________________________________________
61 void AliPHOSv0::Copy(AliPHOSv0 & phos)
67 //____________________________________________________________________________
68 void AliPHOSv0::BuildGeometry()
70 // Build the PHOS geometry for the ROOT display
74 PHOS in ALICE displayed by root
80 <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif">
85 <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif">
90 <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif">
95 <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif">
101 this->BuildGeometryforEMC() ;
102 this->BuildGeometryforCPV() ;
106 //____________________________________________________________________________
107 void AliPHOSv0:: BuildGeometryforEMC(void)
109 // Build the PHOS-EMC geometry for the ROOT display
111 const Int_t kColorPHOS = kRed ;
112 const Int_t kColorXTAL = kBlue ;
114 Double_t const kRADDEG = 180.0 / TMath::Pi() ;
116 AliPHOSGeometry * geom = GetGeometry() ;
117 AliPHOSEMCAGeometry * emcg = geom->GetEMCAGeometry() ;
118 Float_t * boxparams = emcg->GetEMCParams() ;
120 new TTRD1("OuterBox", "PHOS box", "void",boxparams[0],boxparams[1],boxparams[2], boxparams[3] );
125 Float_t * cribox = emcg->GetInnerThermoHalfSize() ;
126 new TBRIK( "CrystalsBox", "PHOS crystals box", "void", cribox[0], cribox[2], cribox[1] ) ;
128 // position PHOS into ALICE
130 Float_t r = geom->GetIPtoOuterCoverDistance() + boxparams[3] ;
132 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
134 char * nodename = new char[20] ;
135 char * rotname = new char[20] ;
137 new TRotMatrix("cribox", "cribox", 90, 0, 90, 90, 0, 0);
139 for( Int_t i = 1; i <= geom->GetNModules(); i++ ) {
141 Float_t angle = geom->GetPHOSAngle(i) ;
142 sprintf(rotname, "%s%d", "rot", number++) ;
143 new TRotMatrix(rotname, rotname, 90, angle, 0, 0, 90, 270 + angle);
146 sprintf(nodename,"%s%d", "Module", i) ;
147 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
148 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
149 TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ;
150 outerboxnode->SetLineColor(kColorPHOS) ;
151 fNodes->Add(outerboxnode) ;
154 Float_t z = -boxparams[3] - geom->GetIPtoOuterCoverDistance() +
155 cribox[1] + geom->GetIPtoCrystalSurface() ;
156 TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, 0, z) ;
157 crystalsboxnode->SetLineColor(kColorXTAL) ;
158 fNodes->Add(crystalsboxnode) ;
166 //____________________________________________________________________________
167 void AliPHOSv0:: BuildGeometryforCPV(void)
169 // Build the PHOS-CPV geometry for the ROOT display
170 // Author: Yuri Kharlov 11 September 2000
175 CPV displayed by root
180 <td>CPV perspective view</td>
181 <td>CPV front view </td>
185 <td> <img height=300 width=290 src="../images/CPVRootPersp.gif"> </td>
186 <td> <img height=300 width=290 src="../images/CPVRootFront.gif"> </td>
194 const Double_t kRADDEG = 180.0 / TMath::Pi() ;
195 const Int_t kColorCPV = kGreen ;
196 const Int_t kColorFrame = kYellow ;
197 const Int_t kColorGassiplex = kRed;
198 const Int_t kColorPCB = kCyan;
200 AliPHOSGeometry * geom = GetGeometry() ;
202 // Box for a full PHOS module
204 new TBRIK ("CPVBox", "CPV box", "void", geom->GetCPVBoxSize(0)/2,
205 geom->GetCPVBoxSize(1)/2,
206 geom->GetCPVBoxSize(2)/2 );
207 new TBRIK ("CPVFrameLR", "CPV frame Left-Right", "void", geom->GetCPVFrameSize(0)/2,
208 geom->GetCPVFrameSize(1)/2,
209 geom->GetCPVBoxSize(2)/2 );
210 new TBRIK ("CPVFrameUD", "CPV frame Up-Down", "void", geom->GetCPVBoxSize(0)/2 - geom->GetCPVFrameSize(0),
211 geom->GetCPVFrameSize(1)/2,
212 geom->GetCPVFrameSize(2)/2);
213 new TBRIK ("CPVPCB", "CPV PCB", "void", geom->GetCPVActiveSize(0)/2,
214 geom->GetCPVTextoliteThickness()/2,
215 geom->GetCPVActiveSize(1)/2);
216 new TBRIK ("CPVGassiplex", "CPV Gassiplex PCB", "void", geom->GetGassiplexChipSize(0)/2,
217 geom->GetGassiplexChipSize(1)/2,
218 geom->GetGassiplexChipSize(2)/2);
220 // position CPV into ALICE
222 char * nodename = new char[25] ;
223 char * rotname = new char[25] ;
225 Float_t r = geom->GetIPtoCPVDistance() + geom->GetCPVBoxSize(1) / 2.0 ;
227 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
229 Int_t lastModule = 0 ;
230 lastModule = geom->GetNModules();
232 for( Int_t i = 1; i <= lastModule; i++ ) { // the number of PHOS modules
236 Float_t angle = geom->GetPHOSAngle(i) ;
237 sprintf(rotname, "%s%d", "rotg", number+i) ;
238 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
240 sprintf(nodename, "%s%d", "CPVModule", i) ;
241 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
242 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
244 TNode * cpvBoxNode = new TNode(nodename , nodename ,"CPVBox", x, y, 0, rotname ) ;
245 cpvBoxNode->SetLineColor(kColorCPV) ;
246 fNodes->Add(cpvBoxNode) ;
249 // inside each CPV box:
253 for (j=0; j<=1; j++) {
254 sprintf(nodename, "CPVModule%d Frame%d", i, j+1) ;
255 x = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(0) - geom->GetCPVFrameSize(0)) / 2;
256 TNode * cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameLR", x, 0, 0) ;
257 cpvFrameNode->SetLineColor(kColorFrame) ;
258 fNodes->Add(cpvFrameNode) ;
260 sprintf(nodename, "CPVModule%d Frame%d", i, j+3) ;
261 z = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(2) - geom->GetCPVFrameSize(2)) / 2;
262 cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameUD", 0, 0, z) ;
263 cpvFrameNode->SetLineColor(kColorFrame) ;
264 fNodes->Add(cpvFrameNode) ;
267 // 4 printed circuit boards
268 for (j=0; j<4; j++) {
269 sprintf(nodename, "CPVModule%d PCB%d", i, j+1) ;
270 y = geom->GetCPVFrameSize(1) / 2 - geom->GetFTPosition(j) + geom->GetCPVTextoliteThickness()/2;
271 TNode * cpvPCBNode = new TNode(nodename , nodename ,"CPVPCB", 0, y, 0) ;
272 cpvPCBNode->SetLineColor(kColorPCB) ;
273 fNodes->Add(cpvPCBNode) ;
277 Float_t xStep = geom->GetCPVActiveSize(0) / (geom->GetNumberOfCPVChipsPhi() + 1);
278 Float_t zStep = geom->GetCPVActiveSize(1) / (geom->GetNumberOfCPVChipsZ() + 1);
279 y = geom->GetCPVFrameSize(1)/2 - geom->GetFTPosition(0) +
280 geom->GetCPVTextoliteThickness() / 2 + geom->GetGassiplexChipSize(1) / 2 + 0.1;
281 for (Int_t ix=0; ix<geom->GetNumberOfCPVChipsPhi(); ix++) {
282 x = xStep * (ix+1) - geom->GetCPVActiveSize(0)/2;
283 for (Int_t iz=0; iz<geom->GetNumberOfCPVChipsZ(); iz++) {
284 z = zStep * (iz+1) - geom->GetCPVActiveSize(1)/2;
285 sprintf(nodename, "CPVModule%d Chip(%dx%d)", i, ix+1,iz+1) ;
286 TNode * cpvGassiplexNode = new TNode(nodename , nodename ,"CPVGassiplex", x, y, z) ;
287 cpvGassiplexNode->SetLineColor(kColorGassiplex) ;
288 fNodes->Add(cpvGassiplexNode) ;
298 //____________________________________________________________________________
299 void AliPHOSv0::CreateGeometry()
301 // Create the PHOS geometry for Geant
303 AliPHOSv0 *phostmp = dynamic_cast<AliPHOSv0*>(gAlice->GetModule("PHOS")) ;
305 if ( phostmp == NULL ) {
307 fprintf(stderr, "PHOS detector not found!\n") ;
312 AliPHOSGeometry * geom = GetGeometry() ;
314 // Get pointer to the array containing media indeces
315 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
317 // Create a PHOS module.
319 gMC->Gsvolu("PHOS", "TRD1", idtmed[798], geom->GetPHOSParams(), 4) ;
321 this->CreateGeometryforEMC() ;
323 this->CreateGeometryforCPV() ;
325 this->CreateGeometryforSupport() ;
327 // --- Position PHOS mdules in ALICE setup ---
330 Double_t const kRADDEG = 180.0 / TMath::Pi() ;
331 Float_t * phosParams = geom->GetPHOSParams() ;
333 Float_t r = geom->GetIPtoOuterCoverDistance() + phosParams[3] - geom->GetCPVBoxSize(1) ;
335 for( i = 1; i <= geom->GetNModules() ; i++ ) {
337 Float_t angle = geom->GetPHOSAngle(i) ;
338 AliMatrix(idrotm[i-1], 90.,angle, 0., 0., 90., 270. +angle) ;
340 Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
341 Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
343 gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
349 //____________________________________________________________________________
350 void AliPHOSv0::CreateGeometryforEMC()
352 // Create the PHOS-EMC geometry for GEANT
353 // Author: Dmitri Peressounko August 2001
354 // The used coordinate system:
355 // 1. in Module: X along longer side, Y out of beam, Z along shorter side (along beam)
356 // 2. In Strip the same: X along longer side, Y out of beam, Z along shorter side (along beam)
362 Geant3 geometry tree of PHOS-EMC in ALICE
365 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif">
370 // Get pointer to the array containing media indexes
371 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
373 AliPHOSGeometry * geom = GetGeometry() ;
374 AliPHOSEMCAGeometry * emcg = geom->GetEMCAGeometry() ;
376 // ======= Define the strip ===============
378 gMC->Gsvolu("PSTR", "BOX ", idtmed[716], emcg->GetStripHalfSize(), 3) ; //Made of stell
380 // --- define air volume (cell of the honeycomb)
381 gMC->Gsvolu("PCEL", "BOX ", idtmed[798], emcg->GetAirCellHalfSize(), 3);
383 // --- define wrapped crystal and put it into AirCell
385 gMC->Gsvolu("PWRA", "BOX ", idtmed[702], emcg->GetWrappedHalfSize(), 3);
386 Float_t * pin = emcg->GetAPDHalfSize() ;
387 Float_t * preamp = emcg->GetPreampHalfSize() ;
388 Float_t y = (emcg->GetAirGapLed()-2*pin[1]-2*preamp[1])/2;
389 gMC->Gspos("PWRA", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ;
391 // --- Define crystall and put it into wrapped crystall ---
392 gMC->Gsvolu("PXTL", "BOX ", idtmed[699], emcg->GetCrystalHalfSize(), 3) ;
393 gMC->Gspos("PXTL", 1, "PWRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
395 // --- define APD/PIN preamp and put it into AirCell
397 gMC->Gsvolu("PPIN", "BOX ", idtmed[705], emcg->GetAPDHalfSize(), 3) ;
398 Float_t * crystal = emcg->GetCrystalHalfSize() ;
399 y = crystal[1] + emcg->GetAirGapLed() /2 - preamp[1];
400 gMC->Gspos("PPIN", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ;
402 gMC->Gsvolu("PREA", "BOX ", idtmed[711], emcg->GetPreampHalfSize(), 3) ; // Here I assumed preamp
403 // as a printed Circuit
404 y = crystal[1] + emcg->GetAirGapLed() /2 + pin[1] ; // May it should be changed
405 gMC->Gspos("PREA", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ; // to ceramics?
408 // --- Fill strip with wrapped cristalls in Air Cells
410 Float_t* splate = emcg->GetSupportPlateHalfSize();
412 Float_t* acel = emcg->GetAirCellHalfSize() ;
414 for(icel = 1; icel <= emcg->GetNCellsInStrip(); icel++){
415 Float_t x = (2*icel - 1 - emcg->GetNCellsInStrip())* acel[0] ;
416 gMC->Gspos("PCEL", icel, "PSTR", x, y, 0.0, 0, "ONLY") ;
419 // --- define the support plate, hole in it and position it in strip ----
420 gMC->Gsvolu("PSUP", "BOX ", idtmed[701], emcg->GetSupportPlateHalfSize(), 3) ;
422 gMC->Gsvolu("PSHO", "BOX ", idtmed[798], emcg->GetSupportPlateInHalfSize(), 3) ;
423 Float_t z = emcg->GetSupportPlateThickness()/2 ;
424 gMC->Gspos("PSHO", 1, "PSUP", 0.0, 0.0, z, 0, "ONLY") ;
427 gMC->Gspos("PSUP", 1, "PSTR", 0.0, y, 0.0, 0, "ONLY") ;
430 // ========== Fill module with strips and put them into inner thermoinsulation=============
431 gMC->Gsvolu("PTII", "BOX ", idtmed[706], emcg->GetInnerThermoHalfSize(), 3) ;
433 Float_t * inthermo = emcg->GetInnerThermoHalfSize() ;
434 Float_t * strip = emcg->GetStripHalfSize() ;
435 y = inthermo[1] - strip[1] ;
440 for(irow = 0; irow < emcg->GetNStripX(); irow ++){
441 Float_t x = (2*irow + 1 - emcg->GetNStripX())* strip[0] ;
442 for(icol = 0; icol < emcg->GetNStripZ(); icol ++){
443 z = (2*icol + 1 - emcg->GetNStripZ()) * strip[2] ;
444 gMC->Gspos("PSTR", nr, "PTII", x, y, z, 0, "ONLY") ;
450 // ------- define the air gap between thermoinsulation and cooler
451 gMC->Gsvolu("PAGA", "BOX ", idtmed[798], emcg->GetAirGapHalfSize(), 3) ;
452 Float_t * agap = emcg->GetAirGapHalfSize() ;
453 y = agap[1] - inthermo[1] ;
455 gMC->Gspos("PTII", 1, "PAGA", 0.0, y, 0.0, 0, "ONLY") ;
459 // ------- define the Al passive cooler
460 gMC->Gsvolu("PCOR", "BOX ", idtmed[701], emcg->GetCoolerHalfSize(), 3) ;
461 Float_t * cooler = emcg->GetCoolerHalfSize() ;
462 y = cooler[1] - agap[1] ;
464 gMC->Gspos("PAGA", 1, "PCOR", 0.0, y, 0.0, 0, "ONLY") ;
466 // ------- define the outer thermoinsulating cover
467 gMC->Gsvolu("PTIO", "TRD1", idtmed[706], emcg->GetOuterThermoParams(), 4) ;
468 Float_t * outparams = emcg->GetOuterThermoParams() ;
471 AliMatrix(idrotm[1], 90.0, 0.0, 0.0, 0.0, 90.0, 270.0) ;
472 // Frame in outer thermoinsulation and so on: z out of beam, y along beam, x across beam
474 z = outparams[3] - cooler[1] ;
475 gMC->Gspos("PCOR", 1, "PTIO", 0., 0.0, z, idrotm[1], "ONLY") ;
477 // -------- Define the outer Aluminium cover -----
478 gMC->Gsvolu("PCOL", "TRD1", idtmed[701], emcg->GetAlCoverParams(), 4) ;
479 Float_t * covparams = emcg->GetAlCoverParams() ;
480 z = covparams[3] - outparams[3] ;
481 gMC->Gspos("PTIO", 1, "PCOL", 0., 0.0, z, 0, "ONLY") ;
483 // --------- Define front fiberglass cover -----------
484 gMC->Gsvolu("PFGC", "BOX ", idtmed[717], emcg->GetFiberGlassHalfSize(), 3) ;
486 gMC->Gspos("PFGC", 1, "PCOL", 0., 0.0, z, 0, "ONLY") ;
488 //=============This is all with cold section==============
491 //------ Warm Section --------------
492 gMC->Gsvolu("PWAR", "BOX ", idtmed[701], emcg->GetWarmAlCoverHalfSize(), 3) ;
493 Float_t * warmcov = emcg->GetWarmAlCoverHalfSize() ;
495 // --- Define the outer thermoinsulation ---
496 gMC->Gsvolu("PWTI", "BOX ", idtmed[706], emcg->GetWarmThermoHalfSize(), 3) ;
497 Float_t * warmthermo = emcg->GetWarmThermoHalfSize() ;
498 z = -warmcov[2] + warmthermo[2] ;
500 gMC->Gspos("PWTI", 1, "PWAR", 0., 0.0, z, 0, "ONLY") ;
502 // --- Define cables area and put in it T-supports ----
503 gMC->Gsvolu("PCA1", "BOX ", idtmed[718], emcg->GetTCables1HalfSize(), 3) ;
504 Float_t * cbox = emcg->GetTCables1HalfSize() ;
506 gMC->Gsvolu("PBE1", "BOX ", idtmed[701], emcg->GetTSupport1HalfSize(), 3) ;
507 Float_t * beams = emcg->GetTSupport1HalfSize() ;
509 for(isup = 0; isup < emcg->GetNTSuppots(); isup++){
510 Float_t x = -cbox[0] + beams[0] + (2*beams[0]+emcg->GetTSupportDist())*isup ;
511 gMC->Gspos("PBE1", isup, "PCA1", x, 0.0, 0.0, 0, "ONLY") ;
514 z = -warmthermo[2] + cbox[2] ;
515 gMC->Gspos("PCA1", 1, "PWTI", 0.0, 0.0, z, 0, "ONLY") ;
517 gMC->Gsvolu("PCA2", "BOX ", idtmed[718], emcg->GetTCables2HalfSize(), 3) ;
518 Float_t * cbox2 = emcg->GetTCables2HalfSize() ;
520 gMC->Gsvolu("PBE2", "BOX ", idtmed[701], emcg->GetTSupport2HalfSize(), 3) ;
521 for(isup = 0; isup < emcg->GetNTSuppots(); isup++){
522 Float_t x = -cbox[0] + beams[0] + (2*beams[0]+emcg->GetTSupportDist())*isup ;
523 gMC->Gspos("PBE2", isup, "PCA2", x, 0.0, 0.0, 0, "ONLY") ;
526 z = -warmthermo[2] + 2*cbox[2] + cbox2[2];
527 gMC->Gspos("PCA2", 1, "PWTI", 0.0, 0.0, z, 0, "ONLY") ;
530 // --- Define frame ---
531 gMC->Gsvolu("PFRX", "BOX ", idtmed[716], emcg->GetFrameXHalfSize(), 3) ;
532 Float_t * posit = emcg->GetFrameXPosition() ;
533 gMC->Gspos("PFRX", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
534 gMC->Gspos("PFRX", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
536 gMC->Gsvolu("PFRZ", "BOX ", idtmed[716], emcg->GetFrameZHalfSize(), 3) ;
537 posit = emcg->GetFrameZPosition() ;
538 gMC->Gspos("PFRZ", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
539 gMC->Gspos("PFRZ", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
541 // --- Define Fiber Glass support ---
542 gMC->Gsvolu("PFG1", "BOX ", idtmed[717], emcg->GetFGupXHalfSize(), 3) ;
543 posit = emcg->GetFGupXPosition() ;
544 gMC->Gspos("PFG1", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
545 gMC->Gspos("PFG1", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
547 gMC->Gsvolu("PFG2", "BOX ", idtmed[717], emcg->GetFGupZHalfSize(), 3) ;
548 posit = emcg->GetFGupZPosition() ;
549 gMC->Gspos("PFG2", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
550 gMC->Gspos("PFG2", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
552 gMC->Gsvolu("PFG3", "BOX ", idtmed[717], emcg->GetFGlowXHalfSize(), 3) ;
553 posit = emcg->GetFGlowXPosition() ;
554 gMC->Gspos("PFG3", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
555 gMC->Gspos("PFG3", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
557 gMC->Gsvolu("PFG4", "BOX ", idtmed[717], emcg->GetFGlowZHalfSize(), 3) ;
558 posit = emcg->GetFGlowZPosition() ;
559 gMC->Gspos("PFG4", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
560 gMC->Gspos("PFG4", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
562 // --- Define Air Gap for FEE electronics -----
564 gMC->Gsvolu("PAFE", "BOX ", idtmed[798], emcg->GetFEEAirHalfSize(), 3) ;
565 posit = emcg->GetFEEAirPosition() ;
566 gMC->Gspos("PAFE", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
568 // Define the EMC module volume and combine Cool and Warm sections
570 gMC->Gsvolu("PEMC", "TRD1", idtmed[798], emcg->GetEMCParams(), 4) ;
573 gMC->Gspos("PCOL", 1, "PEMC", 0., 0., z, 0, "ONLY") ;
575 gMC->Gspos("PWAR", 1, "PEMC", 0., 0., z, 0, "ONLY") ;
578 // Put created EMC geometry into PHOS volume
580 z = geom->GetCPVBoxSize(1) / 2. ;
581 gMC->Gspos("PEMC", 1, "PHOS", 0., 0., z, 0, "ONLY") ;
585 //____________________________________________________________________________
586 void AliPHOSv0::CreateGeometryforCPV()
588 // Create the PHOS-CPV geometry for GEANT
589 // Author: Yuri Kharlov 11 September 2000
593 Geant3 geometry of PHOS-CPV in ALICE
598 <td>CPV perspective view</td>
599 <td>CPV front view </td>
603 <td> <img height=300 width=290 src="../images/CPVallPersp.gif"> </td>
604 <td> <img height=300 width=290 src="../images/CPVallFront.gif"> </td>
608 <td>One CPV module, perspective view </td>
609 <td>One CPV module, front view (extended in vertical direction) </td>
613 <td><img height=300 width=290 src="../images/CPVmodulePers.gif"></td>
614 <td><img height=300 width=290 src="../images/CPVmoduleSide.gif"></td>
620 Geant3 geometry tree of PHOS-CPV in ALICE
623 <img height=300 width=290 src="../images/CPVtree.gif">
628 Float_t par[3], x,y,z;
630 // Get pointer to the array containing media indexes
631 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
633 AliPHOSGeometry * geom = GetGeometry() ;
635 // The box containing all CPV for one PHOS module filled with air
636 par[0] = geom->GetCPVBoxSize(0) / 2.0 ;
637 par[1] = geom->GetCPVBoxSize(1) / 2.0 ;
638 par[2] = geom->GetCPVBoxSize(2) / 2.0 ;
639 gMC->Gsvolu("PCPV", "BOX ", idtmed[798], par, 3) ;
641 Float_t * emcParams = geom->GetEMCAGeometry()->GetEMCParams() ;
644 AliMatrix(rotm, 90.,0., 0., 0., 90., 90.) ;
646 gMC->Gspos("PCPV", 1, "PHOS", 0.0, 0.0, z, rotm, "ONLY") ;
650 par[0] = geom->GetGassiplexChipSize(0)/2.;
651 par[1] = geom->GetGassiplexChipSize(1)/2.;
652 par[2] = geom->GetGassiplexChipSize(2)/2.;
653 gMC->Gsvolu("PCPC","BOX ",idtmed[707],par,3);
655 // Cu+Ni foil covers Gassiplex board
657 par[1] = geom->GetCPVCuNiFoilThickness()/2;
658 gMC->Gsvolu("PCPD","BOX ",idtmed[710],par,3);
659 y = -(geom->GetGassiplexChipSize(1)/2 - par[1]);
660 gMC->Gspos("PCPD",1,"PCPC",0,y,0,0,"ONLY");
662 // Position of the chip inside CPV
664 Float_t xStep = geom->GetCPVActiveSize(0) / (geom->GetNumberOfCPVChipsPhi() + 1);
665 Float_t zStep = geom->GetCPVActiveSize(1) / (geom->GetNumberOfCPVChipsZ() + 1);
667 y = geom->GetCPVFrameSize(1)/2 - geom->GetFTPosition(0) +
668 geom->GetCPVTextoliteThickness() / 2 + geom->GetGassiplexChipSize(1) / 2 + 0.1;
669 for (Int_t ix=0; ix<geom->GetNumberOfCPVChipsPhi(); ix++) {
670 x = xStep * (ix+1) - geom->GetCPVActiveSize(0)/2;
671 for (Int_t iz=0; iz<geom->GetNumberOfCPVChipsZ(); iz++) {
673 z = zStep * (iz+1) - geom->GetCPVActiveSize(1)/2;
674 gMC->Gspos("PCPC",copy,"PCPV",x,y,z,0,"ONLY");
678 // Foiled textolite (1 mm of textolite + 50 mkm of Cu + 6 mkm of Ni)
680 par[0] = geom->GetCPVActiveSize(0) / 2;
681 par[1] = geom->GetCPVTextoliteThickness() / 2;
682 par[2] = geom->GetCPVActiveSize(1) / 2;
683 gMC->Gsvolu("PCPF","BOX ",idtmed[707],par,3);
687 par[1] = (geom->GetFTPosition(2) - geom->GetFTPosition(1) - geom->GetCPVTextoliteThickness()) / 2;
688 gMC->Gsvolu("PCPG","BOX ",idtmed[715],par,3);
690 for (Int_t i=0; i<4; i++) {
691 y = geom->GetCPVFrameSize(1) / 2 - geom->GetFTPosition(i) + geom->GetCPVTextoliteThickness()/2;
692 gMC->Gspos("PCPF",i+1,"PCPV",0,y,0,0,"ONLY");
694 y-= (geom->GetFTPosition(2) - geom->GetFTPosition(1)) / 2;
695 gMC->Gspos("PCPG",1,"PCPV ",0,y,0,0,"ONLY");
699 // Dummy sensitive plane in the middle of argone gas volume
702 gMC->Gsvolu("PCPQ","BOX ",idtmed[715],par,3);
703 gMC->Gspos ("PCPQ",1,"PCPG",0,0,0,0,"ONLY");
705 // Cu+Ni foil covers textolite
707 par[1] = geom->GetCPVCuNiFoilThickness() / 2;
708 gMC->Gsvolu("PCP1","BOX ",idtmed[710],par,3);
709 y = geom->GetCPVTextoliteThickness()/2 - par[1];
710 gMC->Gspos ("PCP1",1,"PCPF",0,y,0,0,"ONLY");
712 // Aluminum frame around CPV
714 par[0] = geom->GetCPVFrameSize(0)/2;
715 par[1] = geom->GetCPVFrameSize(1)/2;
716 par[2] = geom->GetCPVBoxSize(2) /2;
717 gMC->Gsvolu("PCF1","BOX ",idtmed[701],par,3);
719 par[0] = geom->GetCPVBoxSize(0)/2 - geom->GetCPVFrameSize(0);
720 par[1] = geom->GetCPVFrameSize(1)/2;
721 par[2] = geom->GetCPVFrameSize(2)/2;
722 gMC->Gsvolu("PCF2","BOX ",idtmed[701],par,3);
724 for (Int_t j=0; j<=1; j++) {
725 x = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(0) - geom->GetCPVFrameSize(0)) / 2;
726 gMC->Gspos("PCF1",j+1,"PCPV", x,0,0,0,"ONLY");
727 z = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(2) - geom->GetCPVFrameSize(2)) / 2;
728 gMC->Gspos("PCF2",j+1,"PCPV",0, 0,z,0,"ONLY");
734 //____________________________________________________________________________
735 void AliPHOSv0::CreateGeometryforSupport()
737 // Create the PHOS' support geometry for GEANT
741 Geant3 geometry of the PHOS's support
744 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/PHOS_support.gif">
749 Float_t par[5], x0,y0,z0 ;
752 // Get pointer to the array containing media indexes
753 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
755 AliPHOSGeometry * geom = GetGeometry() ;
757 // --- Dummy box containing two rails on which PHOS support moves
758 // --- Put these rails to the bottom of the L3 magnet
760 par[0] = geom->GetRailRoadSize(0) / 2.0 ;
761 par[1] = geom->GetRailRoadSize(1) / 2.0 ;
762 par[2] = geom->GetRailRoadSize(2) / 2.0 ;
763 gMC->Gsvolu("PRRD", "BOX ", idtmed[798], par, 3) ;
765 y0 = -(geom->GetRailsDistanceFromIP() - geom->GetRailRoadSize(1) / 2.0) ;
766 gMC->Gspos("PRRD", 1, "ALIC", 0.0, y0, 0.0, 0, "ONLY") ;
768 // --- Dummy box containing one rail
770 par[0] = geom->GetRailOuterSize(0) / 2.0 ;
771 par[1] = geom->GetRailOuterSize(1) / 2.0 ;
772 par[2] = geom->GetRailOuterSize(2) / 2.0 ;
773 gMC->Gsvolu("PRAI", "BOX ", idtmed[798], par, 3) ;
775 for (i=0; i<2; i++) {
776 x0 = (2*i-1) * geom->GetDistanceBetwRails() / 2.0 ;
777 gMC->Gspos("PRAI", i, "PRRD", x0, 0.0, 0.0, 0, "ONLY") ;
780 // --- Upper and bottom steel parts of the rail
782 par[0] = geom->GetRailPart1(0) / 2.0 ;
783 par[1] = geom->GetRailPart1(1) / 2.0 ;
784 par[2] = geom->GetRailPart1(2) / 2.0 ;
785 gMC->Gsvolu("PRP1", "BOX ", idtmed[716], par, 3) ;
787 y0 = - (geom->GetRailOuterSize(1) - geom->GetRailPart1(1)) / 2.0 ;
788 gMC->Gspos("PRP1", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
789 y0 = (geom->GetRailOuterSize(1) - geom->GetRailPart1(1)) / 2.0 - geom->GetRailPart3(1);
790 gMC->Gspos("PRP1", 2, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
792 // --- The middle vertical steel parts of the rail
794 par[0] = geom->GetRailPart2(0) / 2.0 ;
795 par[1] = geom->GetRailPart2(1) / 2.0 ;
796 par[2] = geom->GetRailPart2(2) / 2.0 ;
797 gMC->Gsvolu("PRP2", "BOX ", idtmed[716], par, 3) ;
799 y0 = - geom->GetRailPart3(1) / 2.0 ;
800 gMC->Gspos("PRP2", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
802 // --- The most upper steel parts of the rail
804 par[0] = geom->GetRailPart3(0) / 2.0 ;
805 par[1] = geom->GetRailPart3(1) / 2.0 ;
806 par[2] = geom->GetRailPart3(2) / 2.0 ;
807 gMC->Gsvolu("PRP3", "BOX ", idtmed[716], par, 3) ;
809 y0 = (geom->GetRailOuterSize(1) - geom->GetRailPart3(1)) / 2.0 ;
810 gMC->Gspos("PRP3", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
812 // --- The wall of the cradle
813 // --- The wall is empty: steel thin walls and air inside
815 par[1] = TMath::Sqrt(TMath::Power((geom->GetIPtoCPVDistance() + geom->GetOuterBoxSize(3)),2) +
816 TMath::Power((geom->GetOuterBoxSize(1)/2),2))+10. ;
817 par[0] = par[1] - geom->GetCradleWall(1) ;
818 par[2] = geom->GetCradleWall(2) / 2.0 ;
819 par[3] = geom->GetCradleWall(3) ;
820 par[4] = geom->GetCradleWall(4) ;
821 gMC->Gsvolu("PCRA", "TUBS", idtmed[716], par, 5) ;
823 par[0] += geom->GetCradleWallThickness() ;
824 par[1] -= geom->GetCradleWallThickness() ;
825 par[2] -= geom->GetCradleWallThickness() ;
826 gMC->Gsvolu("PCRE", "TUBS", idtmed[798], par, 5) ;
827 gMC->Gspos ("PCRE", 1, "PCRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
829 for (i=0; i<2; i++) {
830 z0 = (2*i-1) * (geom->GetOuterBoxSize(2) + geom->GetCradleWall(2) )/ 2.0 ;
831 gMC->Gspos("PCRA", i, "ALIC", 0.0, 0.0, z0, 0, "ONLY") ;
834 // --- The "wheels" of the cradle
836 par[0] = geom->GetCradleWheel(0) / 2;
837 par[1] = geom->GetCradleWheel(1) / 2;
838 par[2] = geom->GetCradleWheel(2) / 2;
839 gMC->Gsvolu("PWHE", "BOX ", idtmed[716], par, 3) ;
841 y0 = -(geom->GetRailsDistanceFromIP() - geom->GetRailRoadSize(1) -
842 geom->GetCradleWheel(1)/2) ;
843 for (i=0; i<2; i++) {
844 z0 = (2*i-1) * ((geom->GetOuterBoxSize(2) + geom->GetCradleWheel(2))/ 2.0 +
845 geom->GetCradleWall(2));
846 for (j=0; j<2; j++) {
848 x0 = (2*j-1) * geom->GetDistanceBetwRails() / 2.0 ;
849 gMC->Gspos("PWHE", copy, "ALIC", x0, y0, z0, 0, "ONLY") ;
855 //____________________________________________________________________________
856 Float_t AliPHOSv0::ZMin(void) const
858 // Overall dimension of the PHOS (min)
860 AliPHOSGeometry * geom = GetGeometry() ;
862 return -geom->GetOuterBoxSize(2)/2.;
865 //____________________________________________________________________________
866 Float_t AliPHOSv0::ZMax(void) const
868 // Overall dimension of the PHOS (max)
870 AliPHOSGeometry * geom = GetGeometry() ;
872 return geom->GetOuterBoxSize(2)/2.;
875 //____________________________________________________________________________
876 void AliPHOSv0::Init(void)
878 // Just prints an information message
886 Info("Init", "%s", st.Data()) ;
887 // Here the PHOS initialisation code (if any!)
889 AliPHOSGeometry * geom = GetGeometry() ;
892 Info("Init", "AliPHOS%s: PHOS geometry intialized for %s", Version().Data(), geom->GetName()) ;
894 Info("Init", "AliPHOS%s: PHOS geometry initialization failed !", Version().Data()) ;
896 Info("Init", "%s", st.Data()) ;