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 **************************************************************************/
18 //_________________________________________________________________________
19 // Implementation version v0 of PHOS Manager class
20 // An object of this class does not produce hits nor digits
21 // It is the one to use if you do not want to produce outputs in TREEH or TREED
23 //*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (RRC KI & SUBATECH)
26 // --- ROOT system ---
32 #include "TGeometry.h"
38 // --- Standard library ---
42 #include <strstream.h>
44 // --- AliRoot header files ---
46 #include "AliPHOSv0.h"
50 #include "AliPHOSGeometry.h"
51 #include "AliPHOSGetter.h"
55 //____________________________________________________________________________
56 AliPHOSv0::AliPHOSv0(const char *name, const char *title):
59 // ctor : title is used to identify the layout
63 //____________________________________________________________________________
64 void AliPHOSv0::BuildGeometry()
66 // Build the PHOS geometry for the ROOT display
70 PHOS in ALICE displayed by root
76 <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif">
81 <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif">
86 <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif">
91 <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif">
97 this->BuildGeometryforEMC() ;
98 this->BuildGeometryforCPV() ;
102 //____________________________________________________________________________
103 void AliPHOSv0:: BuildGeometryforEMC(void)
105 // Build the PHOS-EMC geometry for the ROOT display
107 const Int_t kColorPHOS = kRed ;
108 const Int_t kColorXTAL = kBlue ;
110 Double_t const kRADDEG = 180.0 / kPI ;
112 AliPHOSGeometry * geom = GetGeometry() ;
113 AliPHOSEMCAGeometry * emcg = geom->GetEMCAGeometry() ;
114 Float_t * boxparams = emcg->GetEMCParams() ;
116 new TTRD1("OuterBox", "PHOS box", "void",boxparams[0],boxparams[1],boxparams[2], boxparams[3] );
121 Float_t * cribox = emcg->GetInnerThermoHalfSize() ;
122 new TBRIK( "CrystalsBox", "PHOS crystals box", "void", cribox[0], cribox[2], cribox[1] ) ;
124 // position PHOS into ALICE
126 Float_t r = geom->GetIPtoOuterCoverDistance() + boxparams[3] ;
128 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
130 char * nodename = new char[20] ;
131 char * rotname = new char[20] ;
133 new TRotMatrix("cribox", "cribox", 90, 0, 90, 90, 0, 0);
135 for( Int_t i = 1; i <= geom->GetNModules(); i++ ) {
137 Float_t angle = geom->GetPHOSAngle(i) ;
138 sprintf(rotname, "%s%d", "rot", number++) ;
139 new TRotMatrix(rotname, rotname, 90, angle, 0, 0, 90, 270 + angle);
142 sprintf(nodename,"%s%d", "Module", i) ;
143 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
144 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
145 TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ;
146 outerboxnode->SetLineColor(kColorPHOS) ;
147 fNodes->Add(outerboxnode) ;
150 Float_t z = -boxparams[3] - geom->GetIPtoOuterCoverDistance() +
151 cribox[1] + geom->GetIPtoCrystalSurface() ;
152 TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, 0, z) ;
153 crystalsboxnode->SetLineColor(kColorXTAL) ;
154 fNodes->Add(crystalsboxnode) ;
162 //____________________________________________________________________________
163 void AliPHOSv0:: BuildGeometryforCPV(void)
165 // Build the PHOS-CPV geometry for the ROOT display
166 // Author: Yuri Kharlov 11 September 2000
171 CPV displayed by root
176 <td>CPV perspective view</td>
177 <td>CPV front view </td>
181 <td> <img height=300 width=290 src="../images/CPVRootPersp.gif"> </td>
182 <td> <img height=300 width=290 src="../images/CPVRootFront.gif"> </td>
190 const Double_t kRADDEG = 180.0 / kPI ;
191 const Int_t kColorCPV = kGreen ;
192 const Int_t kColorFrame = kYellow ;
193 const Int_t kColorGassiplex = kRed;
194 const Int_t kColorPCB = kCyan;
196 AliPHOSGeometry * geom = GetGeometry() ;
198 // Box for a full PHOS module
200 new TBRIK ("CPVBox", "CPV box", "void", geom->GetCPVBoxSize(0)/2,
201 geom->GetCPVBoxSize(1)/2,
202 geom->GetCPVBoxSize(2)/2 );
203 new TBRIK ("CPVFrameLR", "CPV frame Left-Right", "void", geom->GetCPVFrameSize(0)/2,
204 geom->GetCPVFrameSize(1)/2,
205 geom->GetCPVBoxSize(2)/2 );
206 new TBRIK ("CPVFrameUD", "CPV frame Up-Down", "void", geom->GetCPVBoxSize(0)/2 - geom->GetCPVFrameSize(0),
207 geom->GetCPVFrameSize(1)/2,
208 geom->GetCPVFrameSize(2)/2);
209 new TBRIK ("CPVPCB", "CPV PCB", "void", geom->GetCPVActiveSize(0)/2,
210 geom->GetCPVTextoliteThickness()/2,
211 geom->GetCPVActiveSize(1)/2);
212 new TBRIK ("CPVGassiplex", "CPV Gassiplex PCB", "void", geom->GetGassiplexChipSize(0)/2,
213 geom->GetGassiplexChipSize(1)/2,
214 geom->GetGassiplexChipSize(2)/2);
216 // position CPV into ALICE
218 char * nodename = new char[25] ;
219 char * rotname = new char[25] ;
221 Float_t r = geom->GetIPtoCPVDistance() + geom->GetCPVBoxSize(1) / 2.0 ;
223 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
225 Int_t lastModule = 0 ;
226 lastModule = geom->GetNModules();
228 for( Int_t i = 1; i <= lastModule; i++ ) { // the number of PHOS modules
232 Float_t angle = geom->GetPHOSAngle(i) ;
233 sprintf(rotname, "%s%d", "rotg", number+i) ;
234 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
236 sprintf(nodename, "%s%d", "CPVModule", i) ;
237 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
238 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
240 TNode * cpvBoxNode = new TNode(nodename , nodename ,"CPVBox", x, y, 0, rotname ) ;
241 cpvBoxNode->SetLineColor(kColorCPV) ;
242 fNodes->Add(cpvBoxNode) ;
245 // inside each CPV box:
249 for (j=0; j<=1; j++) {
250 sprintf(nodename, "CPVModule%d Frame%d", i, j+1) ;
251 x = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(0) - geom->GetCPVFrameSize(0)) / 2;
252 TNode * cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameLR", x, 0, 0) ;
253 cpvFrameNode->SetLineColor(kColorFrame) ;
254 fNodes->Add(cpvFrameNode) ;
256 sprintf(nodename, "CPVModule%d Frame%d", i, j+3) ;
257 z = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(2) - geom->GetCPVFrameSize(2)) / 2;
258 cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameUD", 0, 0, z) ;
259 cpvFrameNode->SetLineColor(kColorFrame) ;
260 fNodes->Add(cpvFrameNode) ;
263 // 4 printed circuit boards
264 for (j=0; j<4; j++) {
265 sprintf(nodename, "CPVModule%d PCB%d", i, j+1) ;
266 y = geom->GetCPVFrameSize(1) / 2 - geom->GetFTPosition(j) + geom->GetCPVTextoliteThickness()/2;
267 TNode * cpvPCBNode = new TNode(nodename , nodename ,"CPVPCB", 0, y, 0) ;
268 cpvPCBNode->SetLineColor(kColorPCB) ;
269 fNodes->Add(cpvPCBNode) ;
273 Float_t xStep = geom->GetCPVActiveSize(0) / (geom->GetNumberOfCPVChipsPhi() + 1);
274 Float_t zStep = geom->GetCPVActiveSize(1) / (geom->GetNumberOfCPVChipsZ() + 1);
275 y = geom->GetCPVFrameSize(1)/2 - geom->GetFTPosition(0) +
276 geom->GetCPVTextoliteThickness() / 2 + geom->GetGassiplexChipSize(1) / 2 + 0.1;
277 for (Int_t ix=0; ix<geom->GetNumberOfCPVChipsPhi(); ix++) {
278 x = xStep * (ix+1) - geom->GetCPVActiveSize(0)/2;
279 for (Int_t iz=0; iz<geom->GetNumberOfCPVChipsZ(); iz++) {
280 z = zStep * (iz+1) - geom->GetCPVActiveSize(1)/2;
281 sprintf(nodename, "CPVModule%d Chip(%dx%d)", i, ix+1,iz+1) ;
282 TNode * cpvGassiplexNode = new TNode(nodename , nodename ,"CPVGassiplex", x, y, z) ;
283 cpvGassiplexNode->SetLineColor(kColorGassiplex) ;
284 fNodes->Add(cpvGassiplexNode) ;
294 //____________________________________________________________________________
295 void AliPHOSv0::CreateGeometry()
297 // Create the PHOS geometry for Geant
299 AliPHOSv0 *phostmp = dynamic_cast<AliPHOSv0*>(gAlice->GetModule("PHOS")) ;
301 if ( phostmp == NULL ) {
303 fprintf(stderr, "PHOS detector not found!\n") ;
308 AliPHOSGeometry * geom = GetGeometry() ;
310 // Get pointer to the array containing media indeces
311 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
313 // Create a PHOS module.
315 gMC->Gsvolu("PHOS", "TRD1", idtmed[798], geom->GetPHOSParams(), 4) ;
317 this->CreateGeometryforEMC() ;
319 this->CreateGeometryforCPV() ;
321 this->CreateGeometryforSupport() ;
323 // --- Position PHOS mdules in ALICE setup ---
326 Double_t const kRADDEG = 180.0 / kPI ;
327 Float_t * phosParams = geom->GetPHOSParams() ;
329 Float_t r = geom->GetIPtoOuterCoverDistance() + phosParams[3] - geom->GetCPVBoxSize(1) ;
331 for( i = 1; i <= geom->GetNModules() ; i++ ) {
333 Float_t angle = geom->GetPHOSAngle(i) ;
334 AliMatrix(idrotm[i-1], 90.,angle, 0., 0., 90., 270. +angle) ;
336 Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
337 Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
339 gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
345 //____________________________________________________________________________
346 void AliPHOSv0::CreateGeometryforEMC()
348 // Create the PHOS-EMC geometry for GEANT
349 // Author: Dmitri Peressounko August 2001
350 // The used coordinate system:
351 // 1. in Module: X along longer side, Y out of beam, Z along shorter side (along beam)
352 // 2. In Strip the same: X along longer side, Y out of beam, Z along shorter side (along beam)
358 Geant3 geometry tree of PHOS-EMC in ALICE
361 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif">
366 // Get pointer to the array containing media indexes
367 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
369 AliPHOSGeometry * geom = GetGeometry() ;
370 AliPHOSEMCAGeometry * emcg = geom->GetEMCAGeometry() ;
372 // ======= Define the strip ===============
374 gMC->Gsvolu("PSTR", "BOX ", idtmed[716], emcg->GetStripHalfSize(), 3) ; //Made of stell
376 // --- define air volume (cell of the honeycomb)
377 gMC->Gsvolu("PCEL", "BOX ", idtmed[798], emcg->GetAirCellHalfSize(), 3);
379 // --- define wrapped crystal and put it into AirCell
381 gMC->Gsvolu("PWRA", "BOX ", idtmed[702], emcg->GetWrappedHalfSize(), 3);
382 Float_t * pin = emcg->GetAPDHalfSize() ;
383 Float_t * preamp = emcg->GetPreampHalfSize() ;
384 Float_t y = (emcg->GetAirGapLed()-2*pin[1]-2*preamp[1])/2;
385 gMC->Gspos("PWRA", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ;
387 // --- Define crystall and put it into wrapped crystall ---
388 gMC->Gsvolu("PXTL", "BOX ", idtmed[699], emcg->GetCrystalHalfSize(), 3) ;
389 gMC->Gspos("PXTL", 1, "PWRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
391 // --- define APD/PIN preamp and put it into AirCell
393 gMC->Gsvolu("PPIN", "BOX ", idtmed[705], emcg->GetAPDHalfSize(), 3) ;
394 Float_t * crystal = emcg->GetCrystalHalfSize() ;
395 y = crystal[1] + emcg->GetAirGapLed() /2 - preamp[1];
396 gMC->Gspos("PPIN", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ;
398 gMC->Gsvolu("PREA", "BOX ", idtmed[711], emcg->GetPreampHalfSize(), 3) ; // Here I assumed preamp
399 // as a printed Circuit
400 y = crystal[1] + emcg->GetAirGapLed() /2 + pin[1] ; // May it should be changed
401 gMC->Gspos("PREA", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ; // to ceramics?
404 // --- Fill strip with wrapped cristalls in Air Cells
406 Float_t* splate = emcg->GetSupportPlateHalfSize();
408 Float_t* acel = emcg->GetAirCellHalfSize() ;
410 for(icel = 1; icel <= emcg->GetNCellsInStrip(); icel++){
411 Float_t x = (2*icel - 1 - emcg->GetNCellsInStrip())* acel[0] ;
412 gMC->Gspos("PCEL", icel, "PSTR", x, y, 0.0, 0, "ONLY") ;
415 // --- define the support plate, hole in it and position it in strip ----
416 gMC->Gsvolu("PSUP", "BOX ", idtmed[701], emcg->GetSupportPlateHalfSize(), 3) ;
418 gMC->Gsvolu("PSHO", "BOX ", idtmed[798], emcg->GetSupportPlateInHalfSize(), 3) ;
419 Float_t z = emcg->GetSupportPlateThickness()/2 ;
420 gMC->Gspos("PSHO", 1, "PSUP", 0.0, 0.0, z, 0, "ONLY") ;
423 gMC->Gspos("PSUP", 1, "PSTR", 0.0, y, 0.0, 0, "ONLY") ;
426 // ========== Fill module with strips and put them into inner thermoinsulation=============
427 gMC->Gsvolu("PTII", "BOX ", idtmed[706], emcg->GetInnerThermoHalfSize(), 3) ;
429 Float_t * inthermo = emcg->GetInnerThermoHalfSize() ;
430 Float_t * strip = emcg->GetStripHalfSize() ;
431 y = inthermo[1] - strip[1] ;
436 for(irow = 0; irow < emcg->GetNStripX(); irow ++){
437 Float_t x = (2*irow + 1 - emcg->GetNStripX())* strip[0] ;
438 for(icol = 0; icol < emcg->GetNStripZ(); icol ++){
439 z = (2*icol + 1 - emcg->GetNStripZ()) * strip[2] ;
440 gMC->Gspos("PSTR", nr, "PTII", x, y, z, 0, "ONLY") ;
446 // ------- define the air gap between thermoinsulation and cooler
447 gMC->Gsvolu("PAGA", "BOX ", idtmed[798], emcg->GetAirGapHalfSize(), 3) ;
448 Float_t * agap = emcg->GetAirGapHalfSize() ;
449 y = agap[1] - inthermo[1] ;
451 gMC->Gspos("PTII", 1, "PAGA", 0.0, y, 0.0, 0, "ONLY") ;
455 // ------- define the Al passive cooler
456 gMC->Gsvolu("PCOR", "BOX ", idtmed[701], emcg->GetCoolerHalfSize(), 3) ;
457 Float_t * cooler = emcg->GetCoolerHalfSize() ;
458 y = cooler[1] - agap[1] ;
460 gMC->Gspos("PAGA", 1, "PCOR", 0.0, y, 0.0, 0, "ONLY") ;
462 // ------- define the outer thermoinsulating cover
463 gMC->Gsvolu("PTIO", "TRD1", idtmed[706], emcg->GetOuterThermoParams(), 4) ;
464 Float_t * outparams = emcg->GetOuterThermoParams() ;
467 AliMatrix(idrotm[1], 90.0, 0.0, 0.0, 0.0, 90.0, 270.0) ;
468 // Frame in outer thermoinsulation and so on: z out of beam, y along beam, x across beam
470 z = outparams[3] - cooler[1] ;
471 gMC->Gspos("PCOR", 1, "PTIO", 0., 0.0, z, idrotm[1], "ONLY") ;
473 // -------- Define the outer Aluminium cover -----
474 gMC->Gsvolu("PCOL", "TRD1", idtmed[701], emcg->GetAlCoverParams(), 4) ;
475 Float_t * covparams = emcg->GetAlCoverParams() ;
476 z = covparams[3] - outparams[3] ;
477 gMC->Gspos("PTIO", 1, "PCOL", 0., 0.0, z, 0, "ONLY") ;
479 // --------- Define front fiberglass cover -----------
480 gMC->Gsvolu("PFGC", "BOX ", idtmed[717], emcg->GetFiberGlassHalfSize(), 3) ;
482 gMC->Gspos("PFGC", 1, "PCOL", 0., 0.0, z, 0, "ONLY") ;
484 //=============This is all with cold section==============
487 //------ Warm Section --------------
488 gMC->Gsvolu("PWAR", "BOX ", idtmed[701], emcg->GetWarmAlCoverHalfSize(), 3) ;
489 Float_t * warmcov = emcg->GetWarmAlCoverHalfSize() ;
491 // --- Define the outer thermoinsulation ---
492 gMC->Gsvolu("PWTI", "BOX ", idtmed[706], emcg->GetWarmThermoHalfSize(), 3) ;
493 Float_t * warmthermo = emcg->GetWarmThermoHalfSize() ;
494 z = -warmcov[2] + warmthermo[2] ;
496 gMC->Gspos("PWTI", 1, "PWAR", 0., 0.0, z, 0, "ONLY") ;
498 // --- Define cables area and put in it T-supports ----
499 gMC->Gsvolu("PCA1", "BOX ", idtmed[718], emcg->GetTCables1HalfSize(), 3) ;
500 Float_t * cbox = emcg->GetTCables1HalfSize() ;
502 gMC->Gsvolu("PBE1", "BOX ", idtmed[701], emcg->GetTSupport1HalfSize(), 3) ;
503 Float_t * beams = emcg->GetTSupport1HalfSize() ;
505 for(isup = 0; isup < emcg->GetNTSuppots(); isup++){
506 Float_t x = -cbox[0] + beams[0] + (2*beams[0]+emcg->GetTSupportDist())*isup ;
507 gMC->Gspos("PBE1", isup, "PCA1", x, 0.0, 0.0, 0, "ONLY") ;
510 z = -warmthermo[2] + cbox[2] ;
511 gMC->Gspos("PCA1", 1, "PWTI", 0.0, 0.0, z, 0, "ONLY") ;
513 gMC->Gsvolu("PCA2", "BOX ", idtmed[718], emcg->GetTCables2HalfSize(), 3) ;
514 Float_t * cbox2 = emcg->GetTCables2HalfSize() ;
516 gMC->Gsvolu("PBE2", "BOX ", idtmed[701], emcg->GetTSupport2HalfSize(), 3) ;
517 for(isup = 0; isup < emcg->GetNTSuppots(); isup++){
518 Float_t x = -cbox[0] + beams[0] + (2*beams[0]+emcg->GetTSupportDist())*isup ;
519 gMC->Gspos("PBE2", isup, "PCA2", x, 0.0, 0.0, 0, "ONLY") ;
522 z = -warmthermo[2] + 2*cbox[2] + cbox2[2];
523 gMC->Gspos("PCA2", 1, "PWTI", 0.0, 0.0, z, 0, "ONLY") ;
526 // --- Define frame ---
527 gMC->Gsvolu("PFRX", "BOX ", idtmed[716], emcg->GetFrameXHalfSize(), 3) ;
528 Float_t * posit = emcg->GetFrameXPosition() ;
529 gMC->Gspos("PFRX", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
530 gMC->Gspos("PFRX", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
532 gMC->Gsvolu("PFRZ", "BOX ", idtmed[716], emcg->GetFrameZHalfSize(), 3) ;
533 posit = emcg->GetFrameZPosition() ;
534 gMC->Gspos("PFRZ", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
535 gMC->Gspos("PFRZ", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
537 // --- Define Fiber Glass support ---
538 gMC->Gsvolu("PFG1", "BOX ", idtmed[717], emcg->GetFGupXHalfSize(), 3) ;
539 posit = emcg->GetFGupXPosition() ;
540 gMC->Gspos("PFG1", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
541 gMC->Gspos("PFG1", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
543 gMC->Gsvolu("PFG2", "BOX ", idtmed[717], emcg->GetFGupZHalfSize(), 3) ;
544 posit = emcg->GetFGupZPosition() ;
545 gMC->Gspos("PFG2", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
546 gMC->Gspos("PFG2", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
548 gMC->Gsvolu("PFG3", "BOX ", idtmed[717], emcg->GetFGlowXHalfSize(), 3) ;
549 posit = emcg->GetFGlowXPosition() ;
550 gMC->Gspos("PFG3", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
551 gMC->Gspos("PFG3", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
553 gMC->Gsvolu("PFG4", "BOX ", idtmed[717], emcg->GetFGlowZHalfSize(), 3) ;
554 posit = emcg->GetFGlowZPosition() ;
555 gMC->Gspos("PFG4", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
556 gMC->Gspos("PFG4", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
558 // --- Define Air Gap for FEE electronics -----
560 gMC->Gsvolu("PAFE", "BOX ", idtmed[798], emcg->GetFEEAirHalfSize(), 3) ;
561 posit = emcg->GetFEEAirPosition() ;
562 gMC->Gspos("PAFE", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
564 // Define the EMC module volume and combine Cool and Warm sections
566 gMC->Gsvolu("PEMC", "TRD1", idtmed[798], emcg->GetEMCParams(), 4) ;
569 gMC->Gspos("PCOL", 1, "PEMC", 0., 0., z, 0, "ONLY") ;
571 gMC->Gspos("PWAR", 1, "PEMC", 0., 0., z, 0, "ONLY") ;
574 // Put created EMC geometry into PHOS volume
576 z = geom->GetCPVBoxSize(1) / 2. ;
577 gMC->Gspos("PEMC", 1, "PHOS", 0., 0., z, 0, "ONLY") ;
581 //____________________________________________________________________________
582 void AliPHOSv0::CreateGeometryforCPV()
584 // Create the PHOS-CPV geometry for GEANT
585 // Author: Yuri Kharlov 11 September 2000
589 Geant3 geometry of PHOS-CPV in ALICE
594 <td>CPV perspective view</td>
595 <td>CPV front view </td>
599 <td> <img height=300 width=290 src="../images/CPVallPersp.gif"> </td>
600 <td> <img height=300 width=290 src="../images/CPVallFront.gif"> </td>
604 <td>One CPV module, perspective view </td>
605 <td>One CPV module, front view (extended in vertical direction) </td>
609 <td><img height=300 width=290 src="../images/CPVmodulePers.gif"></td>
610 <td><img height=300 width=290 src="../images/CPVmoduleSide.gif"></td>
616 Geant3 geometry tree of PHOS-CPV in ALICE
619 <img height=300 width=290 src="../images/CPVtree.gif">
624 Float_t par[3], x,y,z;
626 // Get pointer to the array containing media indexes
627 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
629 AliPHOSGeometry * geom = GetGeometry() ;
631 // The box containing all CPV for one PHOS module filled with air
632 par[0] = geom->GetCPVBoxSize(0) / 2.0 ;
633 par[1] = geom->GetCPVBoxSize(1) / 2.0 ;
634 par[2] = geom->GetCPVBoxSize(2) / 2.0 ;
635 gMC->Gsvolu("PCPV", "BOX ", idtmed[798], par, 3) ;
637 Float_t * emcParams = geom->GetEMCAGeometry()->GetEMCParams() ;
640 AliMatrix(rotm, 90.,0., 0., 0., 90., 90.) ;
642 gMC->Gspos("PCPV", 1, "PHOS", 0.0, 0.0, z, rotm, "ONLY") ;
646 par[0] = geom->GetGassiplexChipSize(0)/2.;
647 par[1] = geom->GetGassiplexChipSize(1)/2.;
648 par[2] = geom->GetGassiplexChipSize(2)/2.;
649 gMC->Gsvolu("PCPC","BOX ",idtmed[707],par,3);
651 // Cu+Ni foil covers Gassiplex board
653 par[1] = geom->GetCPVCuNiFoilThickness()/2;
654 gMC->Gsvolu("PCPD","BOX ",idtmed[710],par,3);
655 y = -(geom->GetGassiplexChipSize(1)/2 - par[1]);
656 gMC->Gspos("PCPD",1,"PCPC",0,y,0,0,"ONLY");
658 // Position of the chip inside CPV
660 Float_t xStep = geom->GetCPVActiveSize(0) / (geom->GetNumberOfCPVChipsPhi() + 1);
661 Float_t zStep = geom->GetCPVActiveSize(1) / (geom->GetNumberOfCPVChipsZ() + 1);
663 y = geom->GetCPVFrameSize(1)/2 - geom->GetFTPosition(0) +
664 geom->GetCPVTextoliteThickness() / 2 + geom->GetGassiplexChipSize(1) / 2 + 0.1;
665 for (Int_t ix=0; ix<geom->GetNumberOfCPVChipsPhi(); ix++) {
666 x = xStep * (ix+1) - geom->GetCPVActiveSize(0)/2;
667 for (Int_t iz=0; iz<geom->GetNumberOfCPVChipsZ(); iz++) {
669 z = zStep * (iz+1) - geom->GetCPVActiveSize(1)/2;
670 gMC->Gspos("PCPC",copy,"PCPV",x,y,z,0,"ONLY");
674 // Foiled textolite (1 mm of textolite + 50 mkm of Cu + 6 mkm of Ni)
676 par[0] = geom->GetCPVActiveSize(0) / 2;
677 par[1] = geom->GetCPVTextoliteThickness() / 2;
678 par[2] = geom->GetCPVActiveSize(1) / 2;
679 gMC->Gsvolu("PCPF","BOX ",idtmed[707],par,3);
683 par[1] = (geom->GetFTPosition(2) - geom->GetFTPosition(1) - geom->GetCPVTextoliteThickness()) / 2;
684 gMC->Gsvolu("PCPG","BOX ",idtmed[715],par,3);
686 for (Int_t i=0; i<4; i++) {
687 y = geom->GetCPVFrameSize(1) / 2 - geom->GetFTPosition(i) + geom->GetCPVTextoliteThickness()/2;
688 gMC->Gspos("PCPF",i+1,"PCPV",0,y,0,0,"ONLY");
690 y-= (geom->GetFTPosition(2) - geom->GetFTPosition(1)) / 2;
691 gMC->Gspos("PCPG",1,"PCPV ",0,y,0,0,"ONLY");
695 // Dummy sensitive plane in the middle of argone gas volume
698 gMC->Gsvolu("PCPQ","BOX ",idtmed[715],par,3);
699 gMC->Gspos ("PCPQ",1,"PCPG",0,0,0,0,"ONLY");
701 // Cu+Ni foil covers textolite
703 par[1] = geom->GetCPVCuNiFoilThickness() / 2;
704 gMC->Gsvolu("PCP1","BOX ",idtmed[710],par,3);
705 y = geom->GetCPVTextoliteThickness()/2 - par[1];
706 gMC->Gspos ("PCP1",1,"PCPF",0,y,0,0,"ONLY");
708 // Aluminum frame around CPV
710 par[0] = geom->GetCPVFrameSize(0)/2;
711 par[1] = geom->GetCPVFrameSize(1)/2;
712 par[2] = geom->GetCPVBoxSize(2) /2;
713 gMC->Gsvolu("PCF1","BOX ",idtmed[701],par,3);
715 par[0] = geom->GetCPVBoxSize(0)/2 - geom->GetCPVFrameSize(0);
716 par[1] = geom->GetCPVFrameSize(1)/2;
717 par[2] = geom->GetCPVFrameSize(2)/2;
718 gMC->Gsvolu("PCF2","BOX ",idtmed[701],par,3);
720 for (Int_t j=0; j<=1; j++) {
721 x = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(0) - geom->GetCPVFrameSize(0)) / 2;
722 gMC->Gspos("PCF1",j+1,"PCPV", x,0,0,0,"ONLY");
723 z = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(2) - geom->GetCPVFrameSize(2)) / 2;
724 gMC->Gspos("PCF2",j+1,"PCPV",0, 0,z,0,"ONLY");
730 //____________________________________________________________________________
731 void AliPHOSv0::CreateGeometryforSupport()
733 // Create the PHOS' support geometry for GEANT
737 Geant3 geometry of the PHOS's support
740 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/PHOS_support.gif">
745 Float_t par[5], x0,y0,z0 ;
748 // Get pointer to the array containing media indexes
749 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
751 AliPHOSGeometry * geom = GetGeometry() ;
753 // --- Dummy box containing two rails on which PHOS support moves
754 // --- Put these rails to the bottom of the L3 magnet
756 par[0] = geom->GetRailRoadSize(0) / 2.0 ;
757 par[1] = geom->GetRailRoadSize(1) / 2.0 ;
758 par[2] = geom->GetRailRoadSize(2) / 2.0 ;
759 gMC->Gsvolu("PRRD", "BOX ", idtmed[798], par, 3) ;
761 y0 = -(geom->GetRailsDistanceFromIP() - geom->GetRailRoadSize(1) / 2.0) ;
762 gMC->Gspos("PRRD", 1, "ALIC", 0.0, y0, 0.0, 0, "ONLY") ;
764 // --- Dummy box containing one rail
766 par[0] = geom->GetRailOuterSize(0) / 2.0 ;
767 par[1] = geom->GetRailOuterSize(1) / 2.0 ;
768 par[2] = geom->GetRailOuterSize(2) / 2.0 ;
769 gMC->Gsvolu("PRAI", "BOX ", idtmed[798], par, 3) ;
771 for (i=0; i<2; i++) {
772 x0 = (2*i-1) * geom->GetDistanceBetwRails() / 2.0 ;
773 gMC->Gspos("PRAI", i, "PRRD", x0, 0.0, 0.0, 0, "ONLY") ;
776 // --- Upper and bottom steel parts of the rail
778 par[0] = geom->GetRailPart1(0) / 2.0 ;
779 par[1] = geom->GetRailPart1(1) / 2.0 ;
780 par[2] = geom->GetRailPart1(2) / 2.0 ;
781 gMC->Gsvolu("PRP1", "BOX ", idtmed[716], par, 3) ;
783 y0 = - (geom->GetRailOuterSize(1) - geom->GetRailPart1(1)) / 2.0 ;
784 gMC->Gspos("PRP1", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
785 y0 = (geom->GetRailOuterSize(1) - geom->GetRailPart1(1)) / 2.0 - geom->GetRailPart3(1);
786 gMC->Gspos("PRP1", 2, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
788 // --- The middle vertical steel parts of the rail
790 par[0] = geom->GetRailPart2(0) / 2.0 ;
791 par[1] = geom->GetRailPart2(1) / 2.0 ;
792 par[2] = geom->GetRailPart2(2) / 2.0 ;
793 gMC->Gsvolu("PRP2", "BOX ", idtmed[716], par, 3) ;
795 y0 = - geom->GetRailPart3(1) / 2.0 ;
796 gMC->Gspos("PRP2", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
798 // --- The most upper steel parts of the rail
800 par[0] = geom->GetRailPart3(0) / 2.0 ;
801 par[1] = geom->GetRailPart3(1) / 2.0 ;
802 par[2] = geom->GetRailPart3(2) / 2.0 ;
803 gMC->Gsvolu("PRP3", "BOX ", idtmed[716], par, 3) ;
805 y0 = (geom->GetRailOuterSize(1) - geom->GetRailPart3(1)) / 2.0 ;
806 gMC->Gspos("PRP3", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
808 // --- The wall of the cradle
809 // --- The wall is empty: steel thin walls and air inside
811 par[1] = TMath::Sqrt(TMath::Power((geom->GetIPtoCPVDistance() + geom->GetOuterBoxSize(3)),2) +
812 TMath::Power((geom->GetOuterBoxSize(1)/2),2))+10. ;
813 par[0] = par[1] - geom->GetCradleWall(1) ;
814 par[2] = geom->GetCradleWall(2) / 2.0 ;
815 par[3] = geom->GetCradleWall(3) ;
816 par[4] = geom->GetCradleWall(4) ;
817 gMC->Gsvolu("PCRA", "TUBS", idtmed[716], par, 5) ;
819 par[0] -= geom->GetCradleWallThickness() ;
820 par[1] -= geom->GetCradleWallThickness() ;
821 par[2] -= geom->GetCradleWallThickness() ;
822 gMC->Gsvolu("PCRE", "TUBS", idtmed[798], par, 5) ;
823 gMC->Gspos ("PCRE", 1, "PCRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
825 for (i=0; i<2; i++) {
826 z0 = (2*i-1) * (geom->GetOuterBoxSize(2) + geom->GetCradleWall(2) )/ 2.0 ;
827 gMC->Gspos("PCRA", i, "ALIC", 0.0, 0.0, z0, 0, "ONLY") ;
830 // --- The "wheels" of the cradle
832 par[0] = geom->GetCradleWheel(0) / 2;
833 par[1] = geom->GetCradleWheel(1) / 2;
834 par[2] = geom->GetCradleWheel(2) / 2;
835 gMC->Gsvolu("PWHE", "BOX ", idtmed[716], par, 3) ;
837 y0 = -(geom->GetRailsDistanceFromIP() - geom->GetRailRoadSize(1) -
838 geom->GetCradleWheel(1)/2) ;
839 for (i=0; i<2; i++) {
840 z0 = (2*i-1) * ((geom->GetOuterBoxSize(2) + geom->GetCradleWheel(2))/ 2.0 +
841 geom->GetCradleWall(2));
842 for (j=0; j<2; j++) {
844 x0 = (2*j-1) * geom->GetDistanceBetwRails() / 2.0 ;
845 gMC->Gspos("PWHE", copy, "ALIC", x0, y0, z0, 0, "ONLY") ;
851 //____________________________________________________________________________
852 Float_t AliPHOSv0::ZMin(void) const
854 // Overall dimension of the PHOS (min)
856 AliPHOSGeometry * geom = GetGeometry() ;
858 return -geom->GetOuterBoxSize(2)/2.;
861 //____________________________________________________________________________
862 Float_t AliPHOSv0::ZMax(void) const
864 // Overall dimension of the PHOS (max)
866 AliPHOSGeometry * geom = GetGeometry() ;
868 return geom->GetOuterBoxSize(2)/2.;
871 //____________________________________________________________________________
872 void AliPHOSv0::Init(void)
874 // Just prints an information message
882 cout << "INFO: " << ClassName() << "::Init ";
887 // Here the PHOS initialisation code (if any!)
889 AliPHOSGeometry * geom = GetGeometry() ;
892 cout << "AliPHOS" << Version() << " : PHOS geometry intialized for " << geom->GetName() << endl ;
894 cout << "AliPHOS" << Version() << " : PHOS geometry initialization failed !" << endl ;