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 ---
43 // --- AliRoot header files ---
45 #include "AliPHOSv0.h"
48 #include "AliPHOSGeometry.h"
49 #include "AliPHOSGetter.h"
53 //____________________________________________________________________________
54 AliPHOSv0::AliPHOSv0(const char *name, const char *title):
57 // ctor : title is used to identify the layout
61 //____________________________________________________________________________
62 void AliPHOSv0::BuildGeometry()
64 // Build the PHOS geometry for the ROOT display
68 PHOS in ALICE displayed by root
74 <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif">
79 <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif">
84 <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif">
89 <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif">
95 this->BuildGeometryforEMC() ;
96 this->BuildGeometryforCPV() ;
100 //____________________________________________________________________________
101 void AliPHOSv0:: BuildGeometryforEMC(void)
103 // Build the PHOS-EMC geometry for the ROOT display
105 const Int_t kColorPHOS = kRed ;
106 const Int_t kColorXTAL = kBlue ;
108 Double_t const kRADDEG = 180.0 / kPI ;
110 AliPHOSGeometry * geom = GetGeometry() ;
111 AliPHOSEMCAGeometry * emcg = geom->GetEMCAGeometry() ;
112 Float_t * boxparams = emcg->GetEMCParams() ;
114 new TTRD1("OuterBox", "PHOS box", "void",boxparams[0],boxparams[1],boxparams[2], boxparams[3] );
119 Float_t * cribox = emcg->GetInnerThermoHalfSize() ;
120 new TBRIK( "CrystalsBox", "PHOS crystals box", "void", cribox[0], cribox[2], cribox[1] ) ;
122 // position PHOS into ALICE
124 Float_t r = geom->GetIPtoOuterCoverDistance() + boxparams[3] ;
126 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
128 char * nodename = new char[20] ;
129 char * rotname = new char[20] ;
131 new TRotMatrix("cribox", "cribox", 90, 0, 90, 90, 0, 0);
133 for( Int_t i = 1; i <= geom->GetNModules(); i++ ) {
135 Float_t angle = geom->GetPHOSAngle(i) ;
136 sprintf(rotname, "%s%d", "rot", number++) ;
137 new TRotMatrix(rotname, rotname, 90, angle, 0, 0, 90, 270 + angle);
140 sprintf(nodename,"%s%d", "Module", i) ;
141 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
142 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
143 TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ;
144 outerboxnode->SetLineColor(kColorPHOS) ;
145 fNodes->Add(outerboxnode) ;
148 Float_t z = -boxparams[3] - geom->GetIPtoOuterCoverDistance() +
149 cribox[1] + geom->GetIPtoCrystalSurface() ;
150 TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, 0, z) ;
151 crystalsboxnode->SetLineColor(kColorXTAL) ;
152 fNodes->Add(crystalsboxnode) ;
160 //____________________________________________________________________________
161 void AliPHOSv0:: BuildGeometryforCPV(void)
163 // Build the PHOS-CPV geometry for the ROOT display
164 // Author: Yuri Kharlov 11 September 2000
169 CPV displayed by root
174 <td>CPV perspective view</td>
175 <td>CPV front view </td>
179 <td> <img height=300 width=290 src="../images/CPVRootPersp.gif"> </td>
180 <td> <img height=300 width=290 src="../images/CPVRootFront.gif"> </td>
188 const Double_t kRADDEG = 180.0 / kPI ;
189 const Int_t kColorCPV = kGreen ;
190 const Int_t kColorFrame = kYellow ;
191 const Int_t kColorGassiplex = kRed;
192 const Int_t kColorPCB = kCyan;
194 AliPHOSGeometry * geom = GetGeometry() ;
196 // Box for a full PHOS module
198 new TBRIK ("CPVBox", "CPV box", "void", geom->GetCPVBoxSize(0)/2,
199 geom->GetCPVBoxSize(1)/2,
200 geom->GetCPVBoxSize(2)/2 );
201 new TBRIK ("CPVFrameLR", "CPV frame Left-Right", "void", geom->GetCPVFrameSize(0)/2,
202 geom->GetCPVFrameSize(1)/2,
203 geom->GetCPVBoxSize(2)/2 );
204 new TBRIK ("CPVFrameUD", "CPV frame Up-Down", "void", geom->GetCPVBoxSize(0)/2 - geom->GetCPVFrameSize(0),
205 geom->GetCPVFrameSize(1)/2,
206 geom->GetCPVFrameSize(2)/2);
207 new TBRIK ("CPVPCB", "CPV PCB", "void", geom->GetCPVActiveSize(0)/2,
208 geom->GetCPVTextoliteThickness()/2,
209 geom->GetCPVActiveSize(1)/2);
210 new TBRIK ("CPVGassiplex", "CPV Gassiplex PCB", "void", geom->GetGassiplexChipSize(0)/2,
211 geom->GetGassiplexChipSize(1)/2,
212 geom->GetGassiplexChipSize(2)/2);
214 // position CPV into ALICE
216 char * nodename = new char[25] ;
217 char * rotname = new char[25] ;
219 Float_t r = geom->GetIPtoCPVDistance() + geom->GetCPVBoxSize(1) / 2.0 ;
221 TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
223 Int_t lastModule = 0 ;
224 lastModule = geom->GetNModules();
226 for( Int_t i = 1; i <= lastModule; i++ ) { // the number of PHOS modules
230 Float_t angle = geom->GetPHOSAngle(i) ;
231 sprintf(rotname, "%s%d", "rotg", number+i) ;
232 new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
234 sprintf(nodename, "%s%d", "CPVModule", i) ;
235 Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
236 Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
238 TNode * cpvBoxNode = new TNode(nodename , nodename ,"CPVBox", x, y, 0, rotname ) ;
239 cpvBoxNode->SetLineColor(kColorCPV) ;
240 fNodes->Add(cpvBoxNode) ;
243 // inside each CPV box:
247 for (j=0; j<=1; j++) {
248 sprintf(nodename, "CPVModule%d Frame%d", i, j+1) ;
249 x = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(0) - geom->GetCPVFrameSize(0)) / 2;
250 TNode * cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameLR", x, 0, 0) ;
251 cpvFrameNode->SetLineColor(kColorFrame) ;
252 fNodes->Add(cpvFrameNode) ;
254 sprintf(nodename, "CPVModule%d Frame%d", i, j+3) ;
255 z = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(2) - geom->GetCPVFrameSize(2)) / 2;
256 cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameUD", 0, 0, z) ;
257 cpvFrameNode->SetLineColor(kColorFrame) ;
258 fNodes->Add(cpvFrameNode) ;
261 // 4 printed circuit boards
262 for (j=0; j<4; j++) {
263 sprintf(nodename, "CPVModule%d PCB%d", i, j+1) ;
264 y = geom->GetCPVFrameSize(1) / 2 - geom->GetFTPosition(j) + geom->GetCPVTextoliteThickness()/2;
265 TNode * cpvPCBNode = new TNode(nodename , nodename ,"CPVPCB", 0, y, 0) ;
266 cpvPCBNode->SetLineColor(kColorPCB) ;
267 fNodes->Add(cpvPCBNode) ;
271 Float_t xStep = geom->GetCPVActiveSize(0) / (geom->GetNumberOfCPVChipsPhi() + 1);
272 Float_t zStep = geom->GetCPVActiveSize(1) / (geom->GetNumberOfCPVChipsZ() + 1);
273 y = geom->GetCPVFrameSize(1)/2 - geom->GetFTPosition(0) +
274 geom->GetCPVTextoliteThickness() / 2 + geom->GetGassiplexChipSize(1) / 2 + 0.1;
275 for (Int_t ix=0; ix<geom->GetNumberOfCPVChipsPhi(); ix++) {
276 x = xStep * (ix+1) - geom->GetCPVActiveSize(0)/2;
277 for (Int_t iz=0; iz<geom->GetNumberOfCPVChipsZ(); iz++) {
278 z = zStep * (iz+1) - geom->GetCPVActiveSize(1)/2;
279 sprintf(nodename, "CPVModule%d Chip(%dx%d)", i, ix+1,iz+1) ;
280 TNode * cpvGassiplexNode = new TNode(nodename , nodename ,"CPVGassiplex", x, y, z) ;
281 cpvGassiplexNode->SetLineColor(kColorGassiplex) ;
282 fNodes->Add(cpvGassiplexNode) ;
292 //____________________________________________________________________________
293 void AliPHOSv0::CreateGeometry()
295 // Create the PHOS geometry for Geant
297 AliPHOSv0 *phostmp = dynamic_cast<AliPHOSv0*>(gAlice->GetModule("PHOS")) ;
299 if ( phostmp == NULL ) {
301 fprintf(stderr, "PHOS detector not found!\n") ;
306 AliPHOSGeometry * geom = GetGeometry() ;
308 // Get pointer to the array containing media indeces
309 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
311 // Create a PHOS module.
313 gMC->Gsvolu("PHOS", "TRD1", idtmed[798], geom->GetPHOSParams(), 4) ;
315 this->CreateGeometryforEMC() ;
317 this->CreateGeometryforCPV() ;
319 this->CreateGeometryforSupport() ;
321 // --- Position PHOS mdules in ALICE setup ---
324 Double_t const kRADDEG = 180.0 / kPI ;
325 Float_t * phosParams = geom->GetPHOSParams() ;
327 Float_t r = geom->GetIPtoOuterCoverDistance() + phosParams[3] - geom->GetCPVBoxSize(1) ;
329 for( i = 1; i <= geom->GetNModules() ; i++ ) {
331 Float_t angle = geom->GetPHOSAngle(i) ;
332 AliMatrix(idrotm[i-1], 90.,angle, 0., 0., 90., 270. +angle) ;
334 Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
335 Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
337 gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
343 //____________________________________________________________________________
344 void AliPHOSv0::CreateGeometryforEMC()
346 // Create the PHOS-EMC geometry for GEANT
347 // Author: Dmitri Peressounko August 2001
348 // The used coordinate system:
349 // 1. in Module: X along longer side, Y out of beam, Z along shorter side (along beam)
350 // 2. In Strip the same: X along longer side, Y out of beam, Z along shorter side (along beam)
356 Geant3 geometry tree of PHOS-EMC in ALICE
359 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif">
364 // Get pointer to the array containing media indexes
365 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
367 AliPHOSGeometry * geom = GetGeometry() ;
368 AliPHOSEMCAGeometry * emcg = geom->GetEMCAGeometry() ;
370 // ======= Define the strip ===============
372 gMC->Gsvolu("PSTR", "BOX ", idtmed[716], emcg->GetStripHalfSize(), 3) ; //Made of stell
374 // --- define air volume (cell of the honeycomb)
375 gMC->Gsvolu("PCEL", "BOX ", idtmed[798], emcg->GetAirCellHalfSize(), 3);
377 // --- define wrapped crystal and put it into AirCell
379 gMC->Gsvolu("PWRA", "BOX ", idtmed[702], emcg->GetWrappedHalfSize(), 3);
380 Float_t * pin = emcg->GetAPDHalfSize() ;
381 Float_t * preamp = emcg->GetPreampHalfSize() ;
382 Float_t y = (emcg->GetAirGapLed()-2*pin[1]-2*preamp[1])/2;
383 gMC->Gspos("PWRA", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ;
385 // --- Define crystall and put it into wrapped crystall ---
386 gMC->Gsvolu("PXTL", "BOX ", idtmed[699], emcg->GetCrystalHalfSize(), 3) ;
387 gMC->Gspos("PXTL", 1, "PWRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
389 // --- define APD/PIN preamp and put it into AirCell
391 gMC->Gsvolu("PPIN", "BOX ", idtmed[705], emcg->GetAPDHalfSize(), 3) ;
392 Float_t * crystal = emcg->GetCrystalHalfSize() ;
393 y = crystal[1] + emcg->GetAirGapLed() /2 - preamp[1];
394 gMC->Gspos("PPIN", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ;
396 gMC->Gsvolu("PREA", "BOX ", idtmed[711], emcg->GetPreampHalfSize(), 3) ; // Here I assumed preamp
397 // as a printed Circuit
398 y = crystal[1] + emcg->GetAirGapLed() /2 + pin[1] ; // May it should be changed
399 gMC->Gspos("PREA", 1, "PCEL", 0.0, y, 0.0, 0, "ONLY") ; // to ceramics?
402 // --- Fill strip with wrapped cristalls in Air Cells
404 Float_t* splate = emcg->GetSupportPlateHalfSize();
406 Float_t* acel = emcg->GetAirCellHalfSize() ;
408 for(icel = 1; icel <= emcg->GetNCellsInStrip(); icel++){
409 Float_t x = (2*icel - 1 - emcg->GetNCellsInStrip())* acel[0] ;
410 gMC->Gspos("PCEL", icel, "PSTR", x, y, 0.0, 0, "ONLY") ;
413 // --- define the support plate, hole in it and position it in strip ----
414 gMC->Gsvolu("PSUP", "BOX ", idtmed[701], emcg->GetSupportPlateHalfSize(), 3) ;
416 gMC->Gsvolu("PSHO", "BOX ", idtmed[798], emcg->GetSupportPlateInHalfSize(), 3) ;
417 Float_t z = emcg->GetSupportPlateThickness()/2 ;
418 gMC->Gspos("PSHO", 1, "PSUP", 0.0, 0.0, z, 0, "ONLY") ;
421 gMC->Gspos("PSUP", 1, "PSTR", 0.0, y, 0.0, 0, "ONLY") ;
424 // ========== Fill module with strips and put them into inner thermoinsulation=============
425 gMC->Gsvolu("PTII", "BOX ", idtmed[706], emcg->GetInnerThermoHalfSize(), 3) ;
427 Float_t * inthermo = emcg->GetInnerThermoHalfSize() ;
428 Float_t * strip = emcg->GetStripHalfSize() ;
429 y = inthermo[1] - strip[1] ;
434 for(irow = 0; irow < emcg->GetNStripX(); irow ++){
435 Float_t x = (2*irow + 1 - emcg->GetNStripX())* strip[0] ;
436 for(icol = 0; icol < emcg->GetNStripZ(); icol ++){
437 z = (2*icol + 1 - emcg->GetNStripZ()) * strip[2] ;
438 gMC->Gspos("PSTR", nr, "PTII", x, y, z, 0, "ONLY") ;
444 // ------- define the air gap between thermoinsulation and cooler
445 gMC->Gsvolu("PAGA", "BOX ", idtmed[798], emcg->GetAirGapHalfSize(), 3) ;
446 Float_t * agap = emcg->GetAirGapHalfSize() ;
447 y = agap[1] - inthermo[1] ;
449 gMC->Gspos("PTII", 1, "PAGA", 0.0, y, 0.0, 0, "ONLY") ;
453 // ------- define the Al passive cooler
454 gMC->Gsvolu("PCOR", "BOX ", idtmed[701], emcg->GetCoolerHalfSize(), 3) ;
455 Float_t * cooler = emcg->GetCoolerHalfSize() ;
456 y = cooler[1] - agap[1] ;
458 gMC->Gspos("PAGA", 1, "PCOR", 0.0, y, 0.0, 0, "ONLY") ;
460 // ------- define the outer thermoinsulating cover
461 gMC->Gsvolu("PTIO", "TRD1", idtmed[706], emcg->GetOuterThermoParams(), 4) ;
462 Float_t * outparams = emcg->GetOuterThermoParams() ;
465 AliMatrix(idrotm[1], 90.0, 0.0, 0.0, 0.0, 90.0, 270.0) ;
466 // Frame in outer thermoinsulation and so on: z out of beam, y along beam, x across beam
468 z = outparams[3] - cooler[1] ;
469 gMC->Gspos("PCOR", 1, "PTIO", 0., 0.0, z, idrotm[1], "ONLY") ;
471 // -------- Define the outer Aluminium cover -----
472 gMC->Gsvolu("PCOL", "TRD1", idtmed[701], emcg->GetAlCoverParams(), 4) ;
473 Float_t * covparams = emcg->GetAlCoverParams() ;
474 z = covparams[3] - outparams[3] ;
475 gMC->Gspos("PTIO", 1, "PCOL", 0., 0.0, z, 0, "ONLY") ;
477 // --------- Define front fiberglass cover -----------
478 gMC->Gsvolu("PFGC", "BOX ", idtmed[717], emcg->GetFiberGlassHalfSize(), 3) ;
480 gMC->Gspos("PFGC", 1, "PCOL", 0., 0.0, z, 0, "ONLY") ;
482 //=============This is all with cold section==============
485 //------ Warm Section --------------
486 gMC->Gsvolu("PWAR", "BOX ", idtmed[701], emcg->GetWarmAlCoverHalfSize(), 3) ;
487 Float_t * warmcov = emcg->GetWarmAlCoverHalfSize() ;
489 // --- Define the outer thermoinsulation ---
490 gMC->Gsvolu("PWTI", "BOX ", idtmed[706], emcg->GetWarmThermoHalfSize(), 3) ;
491 Float_t * warmthermo = emcg->GetWarmThermoHalfSize() ;
492 z = -warmcov[2] + warmthermo[2] ;
494 gMC->Gspos("PWTI", 1, "PWAR", 0., 0.0, z, 0, "ONLY") ;
496 // --- Define cables area and put in it T-supports ----
497 gMC->Gsvolu("PCA1", "BOX ", idtmed[718], emcg->GetTCables1HalfSize(), 3) ;
498 Float_t * cbox = emcg->GetTCables1HalfSize() ;
500 gMC->Gsvolu("PBE1", "BOX ", idtmed[701], emcg->GetTSupport1HalfSize(), 3) ;
501 Float_t * beams = emcg->GetTSupport1HalfSize() ;
503 for(isup = 0; isup < emcg->GetNTSuppots(); isup++){
504 Float_t x = -cbox[0] + beams[0] + (2*beams[0]+emcg->GetTSupportDist())*isup ;
505 gMC->Gspos("PBE1", isup, "PCA1", x, 0.0, 0.0, 0, "ONLY") ;
508 z = -warmthermo[2] + cbox[2] ;
509 gMC->Gspos("PCA1", 1, "PWTI", 0.0, 0.0, z, 0, "ONLY") ;
511 gMC->Gsvolu("PCA2", "BOX ", idtmed[718], emcg->GetTCables2HalfSize(), 3) ;
512 Float_t * cbox2 = emcg->GetTCables2HalfSize() ;
514 gMC->Gsvolu("PBE2", "BOX ", idtmed[701], emcg->GetTSupport2HalfSize(), 3) ;
515 for(isup = 0; isup < emcg->GetNTSuppots(); isup++){
516 Float_t x = -cbox[0] + beams[0] + (2*beams[0]+emcg->GetTSupportDist())*isup ;
517 gMC->Gspos("PBE2", isup, "PCA2", x, 0.0, 0.0, 0, "ONLY") ;
520 z = -warmthermo[2] + 2*cbox[2] + cbox2[2];
521 gMC->Gspos("PCA2", 1, "PWTI", 0.0, 0.0, z, 0, "ONLY") ;
524 // --- Define frame ---
525 gMC->Gsvolu("PFRX", "BOX ", idtmed[716], emcg->GetFrameXHalfSize(), 3) ;
526 Float_t * posit = emcg->GetFrameXPosition() ;
527 gMC->Gspos("PFRX", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
528 gMC->Gspos("PFRX", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
530 gMC->Gsvolu("PFRZ", "BOX ", idtmed[716], emcg->GetFrameZHalfSize(), 3) ;
531 posit = emcg->GetFrameZPosition() ;
532 gMC->Gspos("PFRZ", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
533 gMC->Gspos("PFRZ", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
535 // --- Define Fiber Glass support ---
536 gMC->Gsvolu("PFG1", "BOX ", idtmed[717], emcg->GetFGupXHalfSize(), 3) ;
537 posit = emcg->GetFGupXPosition() ;
538 gMC->Gspos("PFG1", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
539 gMC->Gspos("PFG1", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
541 gMC->Gsvolu("PFG2", "BOX ", idtmed[717], emcg->GetFGupZHalfSize(), 3) ;
542 posit = emcg->GetFGupZPosition() ;
543 gMC->Gspos("PFG2", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
544 gMC->Gspos("PFG2", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
546 gMC->Gsvolu("PFG3", "BOX ", idtmed[717], emcg->GetFGlowXHalfSize(), 3) ;
547 posit = emcg->GetFGlowXPosition() ;
548 gMC->Gspos("PFG3", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
549 gMC->Gspos("PFG3", 2, "PWTI", posit[0], -posit[1], posit[2], 0, "ONLY") ;
551 gMC->Gsvolu("PFG4", "BOX ", idtmed[717], emcg->GetFGlowZHalfSize(), 3) ;
552 posit = emcg->GetFGlowZPosition() ;
553 gMC->Gspos("PFG4", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
554 gMC->Gspos("PFG4", 2, "PWTI", -posit[0], posit[1], posit[2], 0, "ONLY") ;
556 // --- Define Air Gap for FEE electronics -----
558 gMC->Gsvolu("PAFE", "BOX ", idtmed[798], emcg->GetFEEAirHalfSize(), 3) ;
559 posit = emcg->GetFEEAirPosition() ;
560 gMC->Gspos("PAFE", 1, "PWTI", posit[0], posit[1], posit[2], 0, "ONLY") ;
562 // Define the EMC module volume and combine Cool and Warm sections
564 gMC->Gsvolu("PEMC", "TRD1", idtmed[798], emcg->GetEMCParams(), 4) ;
567 gMC->Gspos("PCOL", 1, "PEMC", 0., 0., z, 0, "ONLY") ;
569 gMC->Gspos("PWAR", 1, "PEMC", 0., 0., z, 0, "ONLY") ;
572 // Put created EMC geometry into PHOS volume
574 z = geom->GetCPVBoxSize(1) / 2. ;
575 gMC->Gspos("PEMC", 1, "PHOS", 0., 0., z, 0, "ONLY") ;
579 //____________________________________________________________________________
580 void AliPHOSv0::CreateGeometryforCPV()
582 // Create the PHOS-CPV geometry for GEANT
583 // Author: Yuri Kharlov 11 September 2000
587 Geant3 geometry of PHOS-CPV in ALICE
592 <td>CPV perspective view</td>
593 <td>CPV front view </td>
597 <td> <img height=300 width=290 src="../images/CPVallPersp.gif"> </td>
598 <td> <img height=300 width=290 src="../images/CPVallFront.gif"> </td>
602 <td>One CPV module, perspective view </td>
603 <td>One CPV module, front view (extended in vertical direction) </td>
607 <td><img height=300 width=290 src="../images/CPVmodulePers.gif"></td>
608 <td><img height=300 width=290 src="../images/CPVmoduleSide.gif"></td>
614 Geant3 geometry tree of PHOS-CPV in ALICE
617 <img height=300 width=290 src="../images/CPVtree.gif">
622 Float_t par[3], x,y,z;
624 // Get pointer to the array containing media indexes
625 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
627 AliPHOSGeometry * geom = GetGeometry() ;
629 // The box containing all CPV for one PHOS module filled with air
630 par[0] = geom->GetCPVBoxSize(0) / 2.0 ;
631 par[1] = geom->GetCPVBoxSize(1) / 2.0 ;
632 par[2] = geom->GetCPVBoxSize(2) / 2.0 ;
633 gMC->Gsvolu("PCPV", "BOX ", idtmed[798], par, 3) ;
635 Float_t * emcParams = geom->GetEMCAGeometry()->GetEMCParams() ;
638 AliMatrix(rotm, 90.,0., 0., 0., 90., 90.) ;
640 gMC->Gspos("PCPV", 1, "PHOS", 0.0, 0.0, z, rotm, "ONLY") ;
644 par[0] = geom->GetGassiplexChipSize(0)/2.;
645 par[1] = geom->GetGassiplexChipSize(1)/2.;
646 par[2] = geom->GetGassiplexChipSize(2)/2.;
647 gMC->Gsvolu("PCPC","BOX ",idtmed[707],par,3);
649 // Cu+Ni foil covers Gassiplex board
651 par[1] = geom->GetCPVCuNiFoilThickness()/2;
652 gMC->Gsvolu("PCPD","BOX ",idtmed[710],par,3);
653 y = -(geom->GetGassiplexChipSize(1)/2 - par[1]);
654 gMC->Gspos("PCPD",1,"PCPC",0,y,0,0,"ONLY");
656 // Position of the chip inside CPV
658 Float_t xStep = geom->GetCPVActiveSize(0) / (geom->GetNumberOfCPVChipsPhi() + 1);
659 Float_t zStep = geom->GetCPVActiveSize(1) / (geom->GetNumberOfCPVChipsZ() + 1);
661 y = geom->GetCPVFrameSize(1)/2 - geom->GetFTPosition(0) +
662 geom->GetCPVTextoliteThickness() / 2 + geom->GetGassiplexChipSize(1) / 2 + 0.1;
663 for (Int_t ix=0; ix<geom->GetNumberOfCPVChipsPhi(); ix++) {
664 x = xStep * (ix+1) - geom->GetCPVActiveSize(0)/2;
665 for (Int_t iz=0; iz<geom->GetNumberOfCPVChipsZ(); iz++) {
667 z = zStep * (iz+1) - geom->GetCPVActiveSize(1)/2;
668 gMC->Gspos("PCPC",copy,"PCPV",x,y,z,0,"ONLY");
672 // Foiled textolite (1 mm of textolite + 50 mkm of Cu + 6 mkm of Ni)
674 par[0] = geom->GetCPVActiveSize(0) / 2;
675 par[1] = geom->GetCPVTextoliteThickness() / 2;
676 par[2] = geom->GetCPVActiveSize(1) / 2;
677 gMC->Gsvolu("PCPF","BOX ",idtmed[707],par,3);
681 par[1] = (geom->GetFTPosition(2) - geom->GetFTPosition(1) - geom->GetCPVTextoliteThickness()) / 2;
682 gMC->Gsvolu("PCPG","BOX ",idtmed[715],par,3);
684 for (Int_t i=0; i<4; i++) {
685 y = geom->GetCPVFrameSize(1) / 2 - geom->GetFTPosition(i) + geom->GetCPVTextoliteThickness()/2;
686 gMC->Gspos("PCPF",i+1,"PCPV",0,y,0,0,"ONLY");
688 y-= (geom->GetFTPosition(2) - geom->GetFTPosition(1)) / 2;
689 gMC->Gspos("PCPG",1,"PCPV ",0,y,0,0,"ONLY");
693 // Dummy sensitive plane in the middle of argone gas volume
696 gMC->Gsvolu("PCPQ","BOX ",idtmed[715],par,3);
697 gMC->Gspos ("PCPQ",1,"PCPG",0,0,0,0,"ONLY");
699 // Cu+Ni foil covers textolite
701 par[1] = geom->GetCPVCuNiFoilThickness() / 2;
702 gMC->Gsvolu("PCP1","BOX ",idtmed[710],par,3);
703 y = geom->GetCPVTextoliteThickness()/2 - par[1];
704 gMC->Gspos ("PCP1",1,"PCPF",0,y,0,0,"ONLY");
706 // Aluminum frame around CPV
708 par[0] = geom->GetCPVFrameSize(0)/2;
709 par[1] = geom->GetCPVFrameSize(1)/2;
710 par[2] = geom->GetCPVBoxSize(2) /2;
711 gMC->Gsvolu("PCF1","BOX ",idtmed[701],par,3);
713 par[0] = geom->GetCPVBoxSize(0)/2 - geom->GetCPVFrameSize(0);
714 par[1] = geom->GetCPVFrameSize(1)/2;
715 par[2] = geom->GetCPVFrameSize(2)/2;
716 gMC->Gsvolu("PCF2","BOX ",idtmed[701],par,3);
718 for (Int_t j=0; j<=1; j++) {
719 x = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(0) - geom->GetCPVFrameSize(0)) / 2;
720 gMC->Gspos("PCF1",j+1,"PCPV", x,0,0,0,"ONLY");
721 z = TMath::Sign(1,2*j-1) * (geom->GetCPVBoxSize(2) - geom->GetCPVFrameSize(2)) / 2;
722 gMC->Gspos("PCF2",j+1,"PCPV",0, 0,z,0,"ONLY");
728 //____________________________________________________________________________
729 void AliPHOSv0::CreateGeometryforSupport()
731 // Create the PHOS' support geometry for GEANT
735 Geant3 geometry of the PHOS's support
738 <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/PHOS_support.gif">
743 Float_t par[5], x0,y0,z0 ;
746 // Get pointer to the array containing media indexes
747 Int_t *idtmed = fIdtmed->GetArray() - 699 ;
749 AliPHOSGeometry * geom = GetGeometry() ;
751 // --- Dummy box containing two rails on which PHOS support moves
752 // --- Put these rails to the bottom of the L3 magnet
754 par[0] = geom->GetRailRoadSize(0) / 2.0 ;
755 par[1] = geom->GetRailRoadSize(1) / 2.0 ;
756 par[2] = geom->GetRailRoadSize(2) / 2.0 ;
757 gMC->Gsvolu("PRRD", "BOX ", idtmed[798], par, 3) ;
759 y0 = -(geom->GetRailsDistanceFromIP() - geom->GetRailRoadSize(1) / 2.0) ;
760 gMC->Gspos("PRRD", 1, "ALIC", 0.0, y0, 0.0, 0, "ONLY") ;
762 // --- Dummy box containing one rail
764 par[0] = geom->GetRailOuterSize(0) / 2.0 ;
765 par[1] = geom->GetRailOuterSize(1) / 2.0 ;
766 par[2] = geom->GetRailOuterSize(2) / 2.0 ;
767 gMC->Gsvolu("PRAI", "BOX ", idtmed[798], par, 3) ;
769 for (i=0; i<2; i++) {
770 x0 = (2*i-1) * geom->GetDistanceBetwRails() / 2.0 ;
771 gMC->Gspos("PRAI", i, "PRRD", x0, 0.0, 0.0, 0, "ONLY") ;
774 // --- Upper and bottom steel parts of the rail
776 par[0] = geom->GetRailPart1(0) / 2.0 ;
777 par[1] = geom->GetRailPart1(1) / 2.0 ;
778 par[2] = geom->GetRailPart1(2) / 2.0 ;
779 gMC->Gsvolu("PRP1", "BOX ", idtmed[716], par, 3) ;
781 y0 = - (geom->GetRailOuterSize(1) - geom->GetRailPart1(1)) / 2.0 ;
782 gMC->Gspos("PRP1", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
783 y0 = (geom->GetRailOuterSize(1) - geom->GetRailPart1(1)) / 2.0 - geom->GetRailPart3(1);
784 gMC->Gspos("PRP1", 2, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
786 // --- The middle vertical steel parts of the rail
788 par[0] = geom->GetRailPart2(0) / 2.0 ;
789 par[1] = geom->GetRailPart2(1) / 2.0 ;
790 par[2] = geom->GetRailPart2(2) / 2.0 ;
791 gMC->Gsvolu("PRP2", "BOX ", idtmed[716], par, 3) ;
793 y0 = - geom->GetRailPart3(1) / 2.0 ;
794 gMC->Gspos("PRP2", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
796 // --- The most upper steel parts of the rail
798 par[0] = geom->GetRailPart3(0) / 2.0 ;
799 par[1] = geom->GetRailPart3(1) / 2.0 ;
800 par[2] = geom->GetRailPart3(2) / 2.0 ;
801 gMC->Gsvolu("PRP3", "BOX ", idtmed[716], par, 3) ;
803 y0 = (geom->GetRailOuterSize(1) - geom->GetRailPart3(1)) / 2.0 ;
804 gMC->Gspos("PRP3", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
806 // --- The wall of the cradle
807 // --- The wall is empty: steel thin walls and air inside
809 par[1] = TMath::Sqrt(TMath::Power((geom->GetIPtoCPVDistance() + geom->GetOuterBoxSize(3)),2) +
810 TMath::Power((geom->GetOuterBoxSize(1)/2),2))+10. ;
811 par[0] = par[1] - geom->GetCradleWall(1) ;
812 par[2] = geom->GetCradleWall(2) / 2.0 ;
813 par[3] = geom->GetCradleWall(3) ;
814 par[4] = geom->GetCradleWall(4) ;
815 gMC->Gsvolu("PCRA", "TUBS", idtmed[716], par, 5) ;
817 par[0] -= geom->GetCradleWallThickness() ;
818 par[1] -= geom->GetCradleWallThickness() ;
819 par[2] -= geom->GetCradleWallThickness() ;
820 gMC->Gsvolu("PCRE", "TUBS", idtmed[798], par, 5) ;
821 gMC->Gspos ("PCRE", 1, "PCRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
823 for (i=0; i<2; i++) {
824 z0 = (2*i-1) * (geom->GetOuterBoxSize(2) + geom->GetCradleWall(2) )/ 2.0 ;
825 gMC->Gspos("PCRA", i, "ALIC", 0.0, 0.0, z0, 0, "ONLY") ;
828 // --- The "wheels" of the cradle
830 par[0] = geom->GetCradleWheel(0) / 2;
831 par[1] = geom->GetCradleWheel(1) / 2;
832 par[2] = geom->GetCradleWheel(2) / 2;
833 gMC->Gsvolu("PWHE", "BOX ", idtmed[716], par, 3) ;
835 y0 = -(geom->GetRailsDistanceFromIP() - geom->GetRailRoadSize(1) -
836 geom->GetCradleWheel(1)/2) ;
837 for (i=0; i<2; i++) {
838 z0 = (2*i-1) * ((geom->GetOuterBoxSize(2) + geom->GetCradleWheel(2))/ 2.0 +
839 geom->GetCradleWall(2));
840 for (j=0; j<2; j++) {
842 x0 = (2*j-1) * geom->GetDistanceBetwRails() / 2.0 ;
843 gMC->Gspos("PWHE", copy, "ALIC", x0, y0, z0, 0, "ONLY") ;
849 //____________________________________________________________________________
850 Float_t AliPHOSv0::ZMin(void) const
852 // Overall dimension of the PHOS (min)
854 AliPHOSGeometry * geom = GetGeometry() ;
856 return -geom->GetOuterBoxSize(2)/2.;
859 //____________________________________________________________________________
860 Float_t AliPHOSv0::ZMax(void) const
862 // Overall dimension of the PHOS (max)
864 AliPHOSGeometry * geom = GetGeometry() ;
866 return geom->GetOuterBoxSize(2)/2.;
869 //____________________________________________________________________________
870 void AliPHOSv0::Init(void)
872 // Just prints an information message
880 Info("Init", "%s", st.Data()) ;
881 // Here the PHOS initialisation code (if any!)
883 AliPHOSGeometry * geom = GetGeometry() ;
886 Info("Init", "AliPHOS%s: PHOS geometry intialized for %s", Version().Data(), geom->GetName()) ;
888 Info("Init", "AliPHOS%s: PHOS geometry initialization failed !", Version().Data()) ;
890 Info("Init", "%s", st.Data()) ;