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
61 // create the getter not needed
62 //AliPHOSGetter::GetInstance(gDirectory->GetName(), 0);
66 //____________________________________________________________________________
67 void AliPHOSv0::BuildGeometry()
69 // Build the PHOS geometry for the ROOT display
73 PHOS in ALICE displayed by root
79 <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif">
84 <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif">
89 <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif">
94 <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif">
100 this->BuildGeometryforEMC() ;
101 this->BuildGeometryforCPV() ;
105 //____________________________________________________________________________
106 void AliPHOSv0:: BuildGeometryforEMC(void)
108 // Build the PHOS-EMC geometry for the ROOT display
110 const Int_t kColorPHOS = kRed ;
111 const Int_t kColorXTAL = kBlue ;
113 Double_t const kRADDEG = 180.0 / kPI ;
115 AliPHOSGeometry * geom = GetGeometry() ;
116 AliPHOSEMCAGeometry * emcg = geom->GetEMCAGeometry() ;
117 Float_t * boxparams = emcg->GetEMCParams() ;
119 new TTRD1("OuterBox", "PHOS box", "void",boxparams[0],boxparams[1],boxparams[2], boxparams[3] );
124 Float_t * cribox = emcg->GetInnerThermoHalfSize() ;
125 new TBRIK( "CrystalsBox", "PHOS crystals box", "void", cribox[0], cribox[2], cribox[1] ) ;
127 // position PHOS into ALICE
129 Float_t r = geom->GetIPtoOuterCoverDistance() + boxparams[3] ;
131 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
133 char * nodename = new char[20] ;
134 char * rotname = new char[20] ;
136 new TRotMatrix("cribox", "cribox", 90, 0, 90, 90, 0, 0);
138 for( Int_t i = 1; i <= geom->GetNModules(); i++ ) {
140 Float_t angle = geom->GetPHOSAngle(i) ;
141 sprintf(rotname, "%s%d", "rot", number++) ;
142 new TRotMatrix(rotname, rotname, 90, angle, 0, 0, 90, 270 + angle);
145 sprintf(nodename,"%s%d", "Module", i) ;
146 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
147 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
148 TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ;
149 outerboxnode->SetLineColor(kColorPHOS) ;
150 fNodes->Add(outerboxnode) ;
153 Float_t z = -boxparams[3] - geom->GetIPtoOuterCoverDistance() +
154 cribox[1] + geom->GetIPtoCrystalSurface() ;
155 TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, 0, z) ;
156 crystalsboxnode->SetLineColor(kColorXTAL) ;
157 fNodes->Add(crystalsboxnode) ;
165 //____________________________________________________________________________
166 void AliPHOSv0:: BuildGeometryforCPV(void)
168 // Build the PHOS-CPV geometry for the ROOT display
169 // Author: Yuri Kharlov 11 September 2000
174 CPV displayed by root
179 <td>CPV perspective view</td>
180 <td>CPV front view </td>
184 <td> <img height=300 width=290 src="../images/CPVRootPersp.gif"> </td>
185 <td> <img height=300 width=290 src="../images/CPVRootFront.gif"> </td>
193 const Double_t kRADDEG = 180.0 / kPI ;
194 const Int_t kColorCPV = kGreen ;
195 const Int_t kColorFrame = kYellow ;
196 const Int_t kColorGassiplex = kRed;
197 const Int_t kColorPCB = kCyan;
199 AliPHOSGeometry * geom = GetGeometry() ;
201 // Box for a full PHOS module
203 new TBRIK ("CPVBox", "CPV box", "void", geom->GetCPVBoxSize(0)/2,
204 geom->GetCPVBoxSize(1)/2,
205 geom->GetCPVBoxSize(2)/2 );
206 new TBRIK ("CPVFrameLR", "CPV frame Left-Right", "void", geom->GetCPVFrameSize(0)/2,
207 geom->GetCPVFrameSize(1)/2,
208 geom->GetCPVBoxSize(2)/2 );
209 new TBRIK ("CPVFrameUD", "CPV frame Up-Down", "void", geom->GetCPVBoxSize(0)/2 - geom->GetCPVFrameSize(0),
210 geom->GetCPVFrameSize(1)/2,
211 geom->GetCPVFrameSize(2)/2);
212 new TBRIK ("CPVPCB", "CPV PCB", "void", geom->GetCPVActiveSize(0)/2,
213 geom->GetCPVTextoliteThickness()/2,
214 geom->GetCPVActiveSize(1)/2);
215 new TBRIK ("CPVGassiplex", "CPV Gassiplex PCB", "void", geom->GetGassiplexChipSize(0)/2,
216 geom->GetGassiplexChipSize(1)/2,
217 geom->GetGassiplexChipSize(2)/2);
219 // position CPV into ALICE
221 char * nodename = new char[25] ;
222 char * rotname = new char[25] ;
224 Float_t r = geom->GetIPtoCPVDistance() + geom->GetCPVBoxSize(1) / 2.0 ;
226 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
228 Int_t lastModule = 0 ;
229 lastModule = geom->GetNModules();
231 for( Int_t i = 1; i <= lastModule; i++ ) { // the number of PHOS modules
235 Float_t angle = geom->GetPHOSAngle(i) ;
236 sprintf(rotname, "%s%d", "rotg", number+i) ;
237 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
239 sprintf(nodename, "%s%d", "CPVModule", i) ;
240 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
241 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
243 TNode * cpvBoxNode = new TNode(nodename , nodename ,"CPVBox", x, y, 0, rotname ) ;
244 cpvBoxNode->SetLineColor(kColorCPV) ;
245 fNodes->Add(cpvBoxNode) ;
248 // inside each CPV box:
252 for (j=0; j<=1; j++) {
253 sprintf(nodename, "CPVModule%d Frame%d", i, j+1) ;
254 x = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(0) - geom->GetCPVFrameSize(0)) / 2;
255 TNode * cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameLR", x, 0, 0) ;
256 cpvFrameNode->SetLineColor(kColorFrame) ;
257 fNodes->Add(cpvFrameNode) ;
259 sprintf(nodename, "CPVModule%d Frame%d", i, j+3) ;
260 z = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(2) - geom->GetCPVFrameSize(2)) / 2;
261 cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameUD", 0, 0, z) ;
262 cpvFrameNode->SetLineColor(kColorFrame) ;
263 fNodes->Add(cpvFrameNode) ;
266 // 4 printed circuit boards
267 for (j=0; j<4; j++) {
268 sprintf(nodename, "CPVModule%d PCB%d", i, j+1) ;
269 y = geom->GetCPVFrameSize(1) / 2 - geom->GetFTPosition(j) + geom->GetCPVTextoliteThickness()/2;
270 TNode * cpvPCBNode = new TNode(nodename , nodename ,"CPVPCB", 0, y, 0) ;
271 cpvPCBNode->SetLineColor(kColorPCB) ;
272 fNodes->Add(cpvPCBNode) ;
276 Float_t xStep = geom->GetCPVActiveSize(0) / (geom->GetNumberOfCPVChipsPhi() + 1);
277 Float_t zStep = geom->GetCPVActiveSize(1) / (geom->GetNumberOfCPVChipsZ() + 1);
278 y = geom->GetCPVFrameSize(1)/2 - geom->GetFTPosition(0) +
279 geom->GetCPVTextoliteThickness() / 2 + geom->GetGassiplexChipSize(1) / 2 + 0.1;
280 for (Int_t ix=0; ix<geom->GetNumberOfCPVChipsPhi(); ix++) {
281 x = xStep * (ix+1) - geom->GetCPVActiveSize(0)/2;
282 for (Int_t iz=0; iz<geom->GetNumberOfCPVChipsZ(); iz++) {
283 z = zStep * (iz+1) - geom->GetCPVActiveSize(1)/2;
284 sprintf(nodename, "CPVModule%d Chip(%dx%d)", i, ix+1,iz+1) ;
285 TNode * cpvGassiplexNode = new TNode(nodename , nodename ,"CPVGassiplex", x, y, z) ;
286 cpvGassiplexNode->SetLineColor(kColorGassiplex) ;
287 fNodes->Add(cpvGassiplexNode) ;
297 //____________________________________________________________________________
298 void AliPHOSv0::CreateGeometry()
300 // Create the PHOS geometry for Geant
302 AliPHOSv0 *phostmp = dynamic_cast<AliPHOSv0*>(gAlice->GetModule("PHOS")) ;
304 if ( phostmp == NULL ) {
306 fprintf(stderr, "PHOS detector not found!\n") ;
311 AliPHOSGeometry * geom = GetGeometry() ;
313 // Get pointer to the array containing media indeces
314 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
316 // Create a PHOS module.
318 gMC->Gsvolu("PHOS", "TRD1", idtmed[798], geom->GetPHOSParams(), 4) ;
320 this->CreateGeometryforEMC() ;
322 this->CreateGeometryforCPV() ;
324 this->CreateGeometryforSupport() ;
326 // --- Position PHOS mdules in ALICE setup ---
329 Double_t const kRADDEG = 180.0 / kPI ;
330 Float_t * phosParams = geom->GetPHOSParams() ;
332 Float_t r = geom->GetIPtoOuterCoverDistance() + phosParams[3] - geom->GetCPVBoxSize(1) ;
334 for( i = 1; i <= geom->GetNModules() ; i++ ) {
336 Float_t angle = geom->GetPHOSAngle(i) ;
337 AliMatrix(idrotm[i-1], 90.,angle, 0., 0., 90., 270. +angle) ;
339 Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
340 Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
342 gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
348 //____________________________________________________________________________
349 void AliPHOSv0::CreateGeometryforEMC()
351 // Create the PHOS-EMC geometry for GEANT
352 // Author: Dmitri Peressounko August 2001
353 // The used coordinate system:
354 // 1. in Module: X along longer side, Y out of beam, Z along shorter side (along beam)
355 // 2. In Strip the same: X along longer side, Y out of beam, Z along shorter side (along beam)
361 Geant3 geometry tree of PHOS-EMC in ALICE
364 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif">
369 // Get pointer to the array containing media indexes
370 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
372 AliPHOSGeometry * geom = GetGeometry() ;
373 AliPHOSEMCAGeometry * emcg = geom->GetEMCAGeometry() ;
375 // ======= Define the strip ===============
377 gMC->Gsvolu("PSTR", "BOX ", idtmed[716], emcg->GetStripHalfSize(), 3) ; //Made of stell
379 // --- define air volume (cell of the honeycomb)
380 gMC->Gsvolu("PCEL", "BOX ", idtmed[798], emcg->GetAirCellHalfSize(), 3);
382 // --- define wrapped crystal and put it into AirCell
384 gMC->Gsvolu("PWRA", "BOX ", idtmed[702], emcg->GetWrappedHalfSize(), 3);
385 Float_t * pin = emcg->GetAPDHalfSize() ;
386 Float_t * preamp = emcg->GetPreampHalfSize() ;
387 Float_t y = (emcg->GetAirGapLed()-2*pin[1]-2*preamp[1])/2;
388 gMC->Gspos("PWRA", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ;
390 // --- Define crystall and put it into wrapped crystall ---
391 gMC->Gsvolu("PXTL", "BOX ", idtmed[699], emcg->GetCrystalHalfSize(), 3) ;
392 gMC->Gspos("PXTL", 1, "PWRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
394 // --- define APD/PIN preamp and put it into AirCell
396 gMC->Gsvolu("PPIN", "BOX ", idtmed[705], emcg->GetAPDHalfSize(), 3) ;
397 Float_t * crystal = emcg->GetCrystalHalfSize() ;
398 y = crystal[1] + emcg->GetAirGapLed() /2 - preamp[1];
399 gMC->Gspos("PPIN", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ;
401 gMC->Gsvolu("PREA", "BOX ", idtmed[711], emcg->GetPreampHalfSize(), 3) ; // Here I assumed preamp
402 // as a printed Circuit
403 y = crystal[1] + emcg->GetAirGapLed() /2 + pin[1] ; // May it should be changed
404 gMC->Gspos("PREA", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ; // to ceramics?
407 // --- Fill strip with wrapped cristalls in Air Cells
409 Float_t* splate = emcg->GetSupportPlateHalfSize();
411 Float_t* acel = emcg->GetAirCellHalfSize() ;
413 for(icel = 1; icel <= emcg->GetNCellsInStrip(); icel++){
414 Float_t x = (2*icel - 1 - emcg->GetNCellsInStrip())* acel[0] ;
415 gMC->Gspos("PCEL", icel, "PSTR", x, y, 0.0, 0, "ONLY") ;
418 // --- define the support plate, hole in it and position it in strip ----
419 gMC->Gsvolu("PSUP", "BOX ", idtmed[701], emcg->GetSupportPlateHalfSize(), 3) ;
421 gMC->Gsvolu("PSHO", "BOX ", idtmed[798], emcg->GetSupportPlateInHalfSize(), 3) ;
422 Float_t z = emcg->GetSupportPlateThickness()/2 ;
423 gMC->Gspos("PSHO", 1, "PSUP", 0.0, 0.0, z, 0, "ONLY") ;
426 gMC->Gspos("PSUP", 1, "PSTR", 0.0, y, 0.0, 0, "ONLY") ;
429 // ========== Fill module with strips and put them into inner thermoinsulation=============
430 gMC->Gsvolu("PTII", "BOX ", idtmed[706], emcg->GetInnerThermoHalfSize(), 3) ;
432 Float_t * inthermo = emcg->GetInnerThermoHalfSize() ;
433 Float_t * strip = emcg->GetStripHalfSize() ;
434 y = inthermo[1] - strip[1] ;
439 for(irow = 0; irow < emcg->GetNStripX(); irow ++){
440 Float_t x = (2*irow + 1 - emcg->GetNStripX())* strip[0] ;
441 for(icol = 0; icol < emcg->GetNStripZ(); icol ++){
442 z = (2*icol + 1 - emcg->GetNStripZ()) * strip[2] ;
443 gMC->Gspos("PSTR", nr, "PTII", x, y, z, 0, "ONLY") ;
449 // ------- define the air gap between thermoinsulation and cooler
450 gMC->Gsvolu("PAGA", "BOX ", idtmed[798], emcg->GetAirGapHalfSize(), 3) ;
451 Float_t * agap = emcg->GetAirGapHalfSize() ;
452 y = agap[1] - inthermo[1] ;
454 gMC->Gspos("PTII", 1, "PAGA", 0.0, y, 0.0, 0, "ONLY") ;
458 // ------- define the Al passive cooler
459 gMC->Gsvolu("PCOR", "BOX ", idtmed[701], emcg->GetCoolerHalfSize(), 3) ;
460 Float_t * cooler = emcg->GetCoolerHalfSize() ;
461 y = cooler[1] - agap[1] ;
463 gMC->Gspos("PAGA", 1, "PCOR", 0.0, y, 0.0, 0, "ONLY") ;
465 // ------- define the outer thermoinsulating cover
466 gMC->Gsvolu("PTIO", "TRD1", idtmed[706], emcg->GetOuterThermoParams(), 4) ;
467 Float_t * outparams = emcg->GetOuterThermoParams() ;
470 AliMatrix(idrotm[1], 90.0, 0.0, 0.0, 0.0, 90.0, 270.0) ;
471 // Frame in outer thermoinsulation and so on: z out of beam, y along beam, x across beam
473 z = outparams[3] - cooler[1] ;
474 gMC->Gspos("PCOR", 1, "PTIO", 0., 0.0, z, idrotm[1], "ONLY") ;
476 // -------- Define the outer Aluminium cover -----
477 gMC->Gsvolu("PCOL", "TRD1", idtmed[701], emcg->GetAlCoverParams(), 4) ;
478 Float_t * covparams = emcg->GetAlCoverParams() ;
479 z = covparams[3] - outparams[3] ;
480 gMC->Gspos("PTIO", 1, "PCOL", 0., 0.0, z, 0, "ONLY") ;
482 // --------- Define front fiberglass cover -----------
483 gMC->Gsvolu("PFGC", "BOX ", idtmed[717], emcg->GetFiberGlassHalfSize(), 3) ;
485 gMC->Gspos("PFGC", 1, "PCOL", 0., 0.0, z, 0, "ONLY") ;
487 //=============This is all with cold section==============
490 //------ Warm Section --------------
491 gMC->Gsvolu("PWAR", "BOX ", idtmed[701], emcg->GetWarmAlCoverHalfSize(), 3) ;
492 Float_t * warmcov = emcg->GetWarmAlCoverHalfSize() ;
494 // --- Define the outer thermoinsulation ---
495 gMC->Gsvolu("PWTI", "BOX ", idtmed[706], emcg->GetWarmThermoHalfSize(), 3) ;
496 Float_t * warmthermo = emcg->GetWarmThermoHalfSize() ;
497 z = -warmcov[2] + warmthermo[2] ;
499 gMC->Gspos("PWTI", 1, "PWAR", 0., 0.0, z, 0, "ONLY") ;
501 // --- Define cables area and put in it T-supports ----
502 gMC->Gsvolu("PCA1", "BOX ", idtmed[718], emcg->GetTCables1HalfSize(), 3) ;
503 Float_t * cbox = emcg->GetTCables1HalfSize() ;
505 gMC->Gsvolu("PBE1", "BOX ", idtmed[701], emcg->GetTSupport1HalfSize(), 3) ;
506 Float_t * beams = emcg->GetTSupport1HalfSize() ;
508 for(isup = 0; isup < emcg->GetNTSuppots(); isup++){
509 Float_t x = -cbox[0] + beams[0] + (2*beams[0]+emcg->GetTSupportDist())*isup ;
510 gMC->Gspos("PBE1", isup, "PCA1", x, 0.0, 0.0, 0, "ONLY") ;
513 z = -warmthermo[2] + cbox[2] ;
514 gMC->Gspos("PCA1", 1, "PWTI", 0.0, 0.0, z, 0, "ONLY") ;
516 gMC->Gsvolu("PCA2", "BOX ", idtmed[718], emcg->GetTCables2HalfSize(), 3) ;
517 Float_t * cbox2 = emcg->GetTCables2HalfSize() ;
519 gMC->Gsvolu("PBE2", "BOX ", idtmed[701], emcg->GetTSupport2HalfSize(), 3) ;
520 for(isup = 0; isup < emcg->GetNTSuppots(); isup++){
521 Float_t x = -cbox[0] + beams[0] + (2*beams[0]+emcg->GetTSupportDist())*isup ;
522 gMC->Gspos("PBE2", isup, "PCA2", x, 0.0, 0.0, 0, "ONLY") ;
525 z = -warmthermo[2] + 2*cbox[2] + cbox2[2];
526 gMC->Gspos("PCA2", 1, "PWTI", 0.0, 0.0, z, 0, "ONLY") ;
529 // --- Define frame ---
530 gMC->Gsvolu("PFRX", "BOX ", idtmed[716], emcg->GetFrameXHalfSize(), 3) ;
531 Float_t * posit = emcg->GetFrameXPosition() ;
532 gMC->Gspos("PFRX", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
533 gMC->Gspos("PFRX", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
535 gMC->Gsvolu("PFRZ", "BOX ", idtmed[716], emcg->GetFrameZHalfSize(), 3) ;
536 posit = emcg->GetFrameZPosition() ;
537 gMC->Gspos("PFRZ", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
538 gMC->Gspos("PFRZ", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
540 // --- Define Fiber Glass support ---
541 gMC->Gsvolu("PFG1", "BOX ", idtmed[717], emcg->GetFGupXHalfSize(), 3) ;
542 posit = emcg->GetFGupXPosition() ;
543 gMC->Gspos("PFG1", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
544 gMC->Gspos("PFG1", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
546 gMC->Gsvolu("PFG2", "BOX ", idtmed[717], emcg->GetFGupZHalfSize(), 3) ;
547 posit = emcg->GetFGupZPosition() ;
548 gMC->Gspos("PFG2", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
549 gMC->Gspos("PFG2", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
551 gMC->Gsvolu("PFG3", "BOX ", idtmed[717], emcg->GetFGlowXHalfSize(), 3) ;
552 posit = emcg->GetFGlowXPosition() ;
553 gMC->Gspos("PFG3", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
554 gMC->Gspos("PFG3", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
556 gMC->Gsvolu("PFG4", "BOX ", idtmed[717], emcg->GetFGlowZHalfSize(), 3) ;
557 posit = emcg->GetFGlowZPosition() ;
558 gMC->Gspos("PFG4", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
559 gMC->Gspos("PFG4", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
561 // --- Define Air Gap for FEE electronics -----
563 gMC->Gsvolu("PAFE", "BOX ", idtmed[798], emcg->GetFEEAirHalfSize(), 3) ;
564 posit = emcg->GetFEEAirPosition() ;
565 gMC->Gspos("PAFE", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
567 // Define the EMC module volume and combine Cool and Warm sections
569 gMC->Gsvolu("PEMC", "TRD1", idtmed[798], emcg->GetEMCParams(), 4) ;
572 gMC->Gspos("PCOL", 1, "PEMC", 0., 0., z, 0, "ONLY") ;
574 gMC->Gspos("PWAR", 1, "PEMC", 0., 0., z, 0, "ONLY") ;
577 // Put created EMC geometry into PHOS volume
579 z = geom->GetCPVBoxSize(1) / 2. ;
580 gMC->Gspos("PEMC", 1, "PHOS", 0., 0., z, 0, "ONLY") ;
584 //____________________________________________________________________________
585 void AliPHOSv0::CreateGeometryforCPV()
587 // Create the PHOS-CPV geometry for GEANT
588 // Author: Yuri Kharlov 11 September 2000
592 Geant3 geometry of PHOS-CPV in ALICE
597 <td>CPV perspective view</td>
598 <td>CPV front view </td>
602 <td> <img height=300 width=290 src="../images/CPVallPersp.gif"> </td>
603 <td> <img height=300 width=290 src="../images/CPVallFront.gif"> </td>
607 <td>One CPV module, perspective view </td>
608 <td>One CPV module, front view (extended in vertical direction) </td>
612 <td><img height=300 width=290 src="../images/CPVmodulePers.gif"></td>
613 <td><img height=300 width=290 src="../images/CPVmoduleSide.gif"></td>
619 Geant3 geometry tree of PHOS-CPV in ALICE
622 <img height=300 width=290 src="../images/CPVtree.gif">
627 Float_t par[3], x,y,z;
629 // Get pointer to the array containing media indexes
630 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
632 AliPHOSGeometry * geom = GetGeometry() ;
634 // The box containing all CPV for one PHOS module filled with air
635 par[0] = geom->GetCPVBoxSize(0) / 2.0 ;
636 par[1] = geom->GetCPVBoxSize(1) / 2.0 ;
637 par[2] = geom->GetCPVBoxSize(2) / 2.0 ;
638 gMC->Gsvolu("PCPV", "BOX ", idtmed[798], par, 3) ;
640 Float_t * emcParams = geom->GetEMCAGeometry()->GetEMCParams() ;
643 AliMatrix(rotm, 90.,0., 0., 0., 90., 90.) ;
645 gMC->Gspos("PCPV", 1, "PHOS", 0.0, 0.0, z, rotm, "ONLY") ;
649 par[0] = geom->GetGassiplexChipSize(0)/2.;
650 par[1] = geom->GetGassiplexChipSize(1)/2.;
651 par[2] = geom->GetGassiplexChipSize(2)/2.;
652 gMC->Gsvolu("PCPC","BOX ",idtmed[707],par,3);
654 // Cu+Ni foil covers Gassiplex board
656 par[1] = geom->GetCPVCuNiFoilThickness()/2;
657 gMC->Gsvolu("PCPD","BOX ",idtmed[710],par,3);
658 y = -(geom->GetGassiplexChipSize(1)/2 - par[1]);
659 gMC->Gspos("PCPD",1,"PCPC",0,y,0,0,"ONLY");
661 // Position of the chip inside CPV
663 Float_t xStep = geom->GetCPVActiveSize(0) / (geom->GetNumberOfCPVChipsPhi() + 1);
664 Float_t zStep = geom->GetCPVActiveSize(1) / (geom->GetNumberOfCPVChipsZ() + 1);
666 y = geom->GetCPVFrameSize(1)/2 - geom->GetFTPosition(0) +
667 geom->GetCPVTextoliteThickness() / 2 + geom->GetGassiplexChipSize(1) / 2 + 0.1;
668 for (Int_t ix=0; ix<geom->GetNumberOfCPVChipsPhi(); ix++) {
669 x = xStep * (ix+1) - geom->GetCPVActiveSize(0)/2;
670 for (Int_t iz=0; iz<geom->GetNumberOfCPVChipsZ(); iz++) {
672 z = zStep * (iz+1) - geom->GetCPVActiveSize(1)/2;
673 gMC->Gspos("PCPC",copy,"PCPV",x,y,z,0,"ONLY");
677 // Foiled textolite (1 mm of textolite + 50 mkm of Cu + 6 mkm of Ni)
679 par[0] = geom->GetCPVActiveSize(0) / 2;
680 par[1] = geom->GetCPVTextoliteThickness() / 2;
681 par[2] = geom->GetCPVActiveSize(1) / 2;
682 gMC->Gsvolu("PCPF","BOX ",idtmed[707],par,3);
686 par[1] = (geom->GetFTPosition(2) - geom->GetFTPosition(1) - geom->GetCPVTextoliteThickness()) / 2;
687 gMC->Gsvolu("PCPG","BOX ",idtmed[715],par,3);
689 for (Int_t i=0; i<4; i++) {
690 y = geom->GetCPVFrameSize(1) / 2 - geom->GetFTPosition(i) + geom->GetCPVTextoliteThickness()/2;
691 gMC->Gspos("PCPF",i+1,"PCPV",0,y,0,0,"ONLY");
693 y-= (geom->GetFTPosition(2) - geom->GetFTPosition(1)) / 2;
694 gMC->Gspos("PCPG",1,"PCPV ",0,y,0,0,"ONLY");
698 // Dummy sensitive plane in the middle of argone gas volume
701 gMC->Gsvolu("PCPQ","BOX ",idtmed[715],par,3);
702 gMC->Gspos ("PCPQ",1,"PCPG",0,0,0,0,"ONLY");
704 // Cu+Ni foil covers textolite
706 par[1] = geom->GetCPVCuNiFoilThickness() / 2;
707 gMC->Gsvolu("PCP1","BOX ",idtmed[710],par,3);
708 y = geom->GetCPVTextoliteThickness()/2 - par[1];
709 gMC->Gspos ("PCP1",1,"PCPF",0,y,0,0,"ONLY");
711 // Aluminum frame around CPV
713 par[0] = geom->GetCPVFrameSize(0)/2;
714 par[1] = geom->GetCPVFrameSize(1)/2;
715 par[2] = geom->GetCPVBoxSize(2) /2;
716 gMC->Gsvolu("PCF1","BOX ",idtmed[701],par,3);
718 par[0] = geom->GetCPVBoxSize(0)/2 - geom->GetCPVFrameSize(0);
719 par[1] = geom->GetCPVFrameSize(1)/2;
720 par[2] = geom->GetCPVFrameSize(2)/2;
721 gMC->Gsvolu("PCF2","BOX ",idtmed[701],par,3);
723 for (Int_t j=0; j<=1; j++) {
724 x = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(0) - geom->GetCPVFrameSize(0)) / 2;
725 gMC->Gspos("PCF1",j+1,"PCPV", x,0,0,0,"ONLY");
726 z = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(2) - geom->GetCPVFrameSize(2)) / 2;
727 gMC->Gspos("PCF2",j+1,"PCPV",0, 0,z,0,"ONLY");
733 //____________________________________________________________________________
734 void AliPHOSv0::CreateGeometryforSupport()
736 // Create the PHOS' support geometry for GEANT
740 Geant3 geometry of the PHOS's support
743 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/PHOS_support.gif">
748 Float_t par[5], x0,y0,z0 ;
751 // Get pointer to the array containing media indexes
752 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
754 AliPHOSGeometry * geom = GetGeometry() ;
756 // --- Dummy box containing two rails on which PHOS support moves
757 // --- Put these rails to the bottom of the L3 magnet
759 par[0] = geom->GetRailRoadSize(0) / 2.0 ;
760 par[1] = geom->GetRailRoadSize(1) / 2.0 ;
761 par[2] = geom->GetRailRoadSize(2) / 2.0 ;
762 gMC->Gsvolu("PRRD", "BOX ", idtmed[798], par, 3) ;
764 y0 = -(geom->GetRailsDistanceFromIP() - geom->GetRailRoadSize(1) / 2.0) ;
765 gMC->Gspos("PRRD", 1, "ALIC", 0.0, y0, 0.0, 0, "ONLY") ;
767 // --- Dummy box containing one rail
769 par[0] = geom->GetRailOuterSize(0) / 2.0 ;
770 par[1] = geom->GetRailOuterSize(1) / 2.0 ;
771 par[2] = geom->GetRailOuterSize(2) / 2.0 ;
772 gMC->Gsvolu("PRAI", "BOX ", idtmed[798], par, 3) ;
774 for (i=0; i<2; i++) {
775 x0 = (2*i-1) * geom->GetDistanceBetwRails() / 2.0 ;
776 gMC->Gspos("PRAI", i, "PRRD", x0, 0.0, 0.0, 0, "ONLY") ;
779 // --- Upper and bottom steel parts of the rail
781 par[0] = geom->GetRailPart1(0) / 2.0 ;
782 par[1] = geom->GetRailPart1(1) / 2.0 ;
783 par[2] = geom->GetRailPart1(2) / 2.0 ;
784 gMC->Gsvolu("PRP1", "BOX ", idtmed[716], par, 3) ;
786 y0 = - (geom->GetRailOuterSize(1) - geom->GetRailPart1(1)) / 2.0 ;
787 gMC->Gspos("PRP1", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
788 y0 = (geom->GetRailOuterSize(1) - geom->GetRailPart1(1)) / 2.0 - geom->GetRailPart3(1);
789 gMC->Gspos("PRP1", 2, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
791 // --- The middle vertical steel parts of the rail
793 par[0] = geom->GetRailPart2(0) / 2.0 ;
794 par[1] = geom->GetRailPart2(1) / 2.0 ;
795 par[2] = geom->GetRailPart2(2) / 2.0 ;
796 gMC->Gsvolu("PRP2", "BOX ", idtmed[716], par, 3) ;
798 y0 = - geom->GetRailPart3(1) / 2.0 ;
799 gMC->Gspos("PRP2", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
801 // --- The most upper steel parts of the rail
803 par[0] = geom->GetRailPart3(0) / 2.0 ;
804 par[1] = geom->GetRailPart3(1) / 2.0 ;
805 par[2] = geom->GetRailPart3(2) / 2.0 ;
806 gMC->Gsvolu("PRP3", "BOX ", idtmed[716], par, 3) ;
808 y0 = (geom->GetRailOuterSize(1) - geom->GetRailPart3(1)) / 2.0 ;
809 gMC->Gspos("PRP3", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
811 // --- The wall of the cradle
812 // --- The wall is empty: steel thin walls and air inside
814 par[1] = TMath::Sqrt(TMath::Power((geom->GetIPtoCPVDistance() + geom->GetOuterBoxSize(3)),2) +
815 TMath::Power((geom->GetOuterBoxSize(1)/2),2))+10. ;
816 par[0] = par[1] - geom->GetCradleWall(1) ;
817 par[2] = geom->GetCradleWall(2) / 2.0 ;
818 par[3] = geom->GetCradleWall(3) ;
819 par[4] = geom->GetCradleWall(4) ;
820 gMC->Gsvolu("PCRA", "TUBS", idtmed[716], par, 5) ;
822 par[0] -= geom->GetCradleWallThickness() ;
823 par[1] -= geom->GetCradleWallThickness() ;
824 par[2] -= geom->GetCradleWallThickness() ;
825 gMC->Gsvolu("PCRE", "TUBS", idtmed[798], par, 5) ;
826 gMC->Gspos ("PCRE", 1, "PCRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
828 for (i=0; i<2; i++) {
829 z0 = (2*i-1) * (geom->GetOuterBoxSize(2) + geom->GetCradleWall(2) )/ 2.0 ;
830 gMC->Gspos("PCRA", i, "ALIC", 0.0, 0.0, z0, 0, "ONLY") ;
833 // --- The "wheels" of the cradle
835 par[0] = geom->GetCradleWheel(0) / 2;
836 par[1] = geom->GetCradleWheel(1) / 2;
837 par[2] = geom->GetCradleWheel(2) / 2;
838 gMC->Gsvolu("PWHE", "BOX ", idtmed[716], par, 3) ;
840 y0 = -(geom->GetRailsDistanceFromIP() - geom->GetRailRoadSize(1) -
841 geom->GetCradleWheel(1)/2) ;
842 for (i=0; i<2; i++) {
843 z0 = (2*i-1) * ((geom->GetOuterBoxSize(2) + geom->GetCradleWheel(2))/ 2.0 +
844 geom->GetCradleWall(2));
845 for (j=0; j<2; j++) {
847 x0 = (2*j-1) * geom->GetDistanceBetwRails() / 2.0 ;
848 gMC->Gspos("PWHE", copy, "ALIC", x0, y0, z0, 0, "ONLY") ;
854 //____________________________________________________________________________
855 Float_t AliPHOSv0::ZMin(void) const
857 // Overall dimension of the PHOS (min)
859 AliPHOSGeometry * geom = GetGeometry() ;
861 return -geom->GetOuterBoxSize(2)/2.;
864 //____________________________________________________________________________
865 Float_t AliPHOSv0::ZMax(void) const
867 // Overall dimension of the PHOS (max)
869 AliPHOSGeometry * geom = GetGeometry() ;
871 return geom->GetOuterBoxSize(2)/2.;
874 //____________________________________________________________________________
875 void AliPHOSv0::Init(void)
877 // Just prints an information message
882 printf("\n%s: ",ClassName());
883 for(i=0;i<35;i++) printf("*");
884 printf(" PHOS_INIT ");
885 for(i=0;i<35;i++) printf("*");
886 printf("\n%s: ",ClassName());
889 // Here the PHOS initialisation code (if any!)
891 AliPHOSGeometry * geom = GetGeometry() ;
894 cout << "AliPHOS" << Version() << " : PHOS geometry intialized for " << geom->GetName() << endl ;
896 cout << "AliPHOS" << Version() << " : PHOS geometry initialization failed !" << endl ;
898 for(i=0;i<80;i++) printf("*");