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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
b2a60966 | 16 | /* $Id$ */ |
17 | ||
d15a28e7 | 18 | //_________________________________________________________________________ |
b2a60966 | 19 | // Implementation version v0 of PHOS Manager class |
20 | // Layout EMC + PPSD has name GPS2 | |
21 | // | |
22 | //*-- Author: Yves Schutz (SUBATECH) | |
23 | ||
d2cf0e38 | 24 | |
fe4da5cc | 25 | // --- ROOT system --- |
d15a28e7 | 26 | |
fe4da5cc | 27 | #include "TBRIK.h" |
28 | #include "TNode.h" | |
0869cea5 | 29 | #include "TRandom.h" |
fe4da5cc | 30 | |
d15a28e7 | 31 | // --- Standard library --- |
32 | ||
9f616d61 | 33 | #include <cstdio> |
34 | #include <cstring> | |
35 | #include <cstdlib> | |
36 | #include <strstream> | |
37 | #include <cassert> | |
d15a28e7 | 38 | |
39 | // --- AliRoot header files --- | |
40 | ||
fe4da5cc | 41 | #include "AliPHOSv0.h" |
d15a28e7 | 42 | #include "AliPHOSHit.h" |
43 | #include "AliPHOSDigit.h" | |
44 | #include "AliPHOSReconstructioner.h" | |
fe4da5cc | 45 | #include "AliRun.h" |
d15a28e7 | 46 | #include "AliConst.h" |
fe4da5cc | 47 | |
48 | ClassImp(AliPHOSv0) | |
49 | ||
d15a28e7 | 50 | //____________________________________________________________________________ |
8c933dd7 | 51 | AliPHOSv0::AliPHOSv0() |
fe4da5cc | 52 | { |
b2a60966 | 53 | // ctor |
d15a28e7 | 54 | fNTmpHits = 0 ; |
55 | fTmpHits = 0 ; | |
fe4da5cc | 56 | } |
d15a28e7 | 57 | |
58 | //____________________________________________________________________________ | |
59 | AliPHOSv0::AliPHOSv0(const char *name, const char *title): | |
60 | AliPHOS(name,title) | |
61 | { | |
b2a60966 | 62 | // ctor : title is used to identify the layout |
63 | // GPS2 = 5 modules (EMC + PPSD) | |
d15a28e7 | 64 | // We use 2 arrays of hits : |
65 | // | |
66 | // - fHits (the "normal" one), which retains the hits associated with | |
67 | // the current primary particle being tracked | |
68 | // (this array is reset after each primary has been tracked). | |
69 | // | |
70 | // - fTmpHits, which retains all the hits of the current event. It | |
71 | // is used for the digitization part. | |
72 | ||
3a6a7952 | 73 | fPinElectronicNoise = 0.010 ; |
74 | fDigitThreshold = 1. ; // 1 GeV | |
0869cea5 | 75 | |
d15a28e7 | 76 | fHits = new TClonesArray("AliPHOSHit",100) ; |
6ad0bfa0 | 77 | gAlice->AddHitList(fHits) ; |
78 | ||
d15a28e7 | 79 | fTmpHits= new TClonesArray("AliPHOSHit",100) ; |
80 | ||
d15a28e7 | 81 | fNTmpHits = fNhits = 0 ; |
82 | ||
6ad0bfa0 | 83 | fDigits = new TClonesArray("AliPHOSDigit",100) ; |
84 | ||
85 | ||
d15a28e7 | 86 | fIshunt = 1 ; // All hits are associated with primary particles |
fe4da5cc | 87 | |
d15a28e7 | 88 | // gets an instance of the geometry parameters class |
6ad0bfa0 | 89 | |
d15a28e7 | 90 | fGeom = AliPHOSGeometry::GetInstance(title, "") ; |
91 | ||
92 | if (fGeom->IsInitialized() ) | |
93 | cout << "AliPHOSv0 : PHOS geometry intialized for " << fGeom->GetName() << endl ; | |
94 | else | |
95 | cout << "AliPHOSv0 : PHOS geometry initialization failed !" << endl ; | |
96 | } | |
97 | //____________________________________________________________________________ | |
6ad0bfa0 | 98 | AliPHOSv0::AliPHOSv0(AliPHOSReconstructioner * Reconstructioner, const char *name, const char *title): |
d15a28e7 | 99 | AliPHOS(name,title) |
100 | { | |
b2a60966 | 101 | // ctor : title is used to identify the layout |
102 | // GPS2 = 5 modules (EMC + PPSD) | |
d15a28e7 | 103 | // We use 2 arrays of hits : |
104 | // | |
105 | // - fHits (the "normal" one), which retains the hits associated with | |
106 | // the current primary particle being tracked | |
107 | // (this array is reset after each primary has been tracked). | |
108 | // | |
109 | // - fTmpHits, which retains all the hits of the current event. It | |
110 | // is used for the digitization part. | |
b2a60966 | 111 | |
3a6a7952 | 112 | fPinElectronicNoise = 0.010 ; |
d15a28e7 | 113 | fHits = new TClonesArray("AliPHOSHit",100) ; |
114 | fDigits = new TClonesArray("AliPHOSDigit",100) ; | |
115 | fTmpHits= new TClonesArray("AliPHOSHit",100) ; | |
116 | ||
d15a28e7 | 117 | fNTmpHits = fNhits = 0 ; |
118 | ||
119 | fIshunt = 1 ; // All hits are associated with primary particles | |
120 | ||
121 | // gets an instance of the geometry parameters class | |
122 | fGeom = AliPHOSGeometry::GetInstance(title, "") ; | |
123 | ||
124 | if (fGeom->IsInitialized() ) | |
125 | cout << "AliPHOSv0 : PHOS geometry intialized for " << fGeom->GetName() << endl ; | |
126 | else | |
127 | cout << "AliPHOSv0 : PHOS geometry initialization failed !" << endl ; | |
128 | ||
129 | // Defining the PHOS Reconstructioner | |
130 | ||
6ad0bfa0 | 131 | fReconstructioner = Reconstructioner ; |
d15a28e7 | 132 | } |
133 | ||
134 | //____________________________________________________________________________ | |
135 | AliPHOSv0::~AliPHOSv0() | |
136 | { | |
b2a60966 | 137 | // dtor |
138 | ||
9f616d61 | 139 | fTmpHits->Delete() ; |
d15a28e7 | 140 | delete fTmpHits ; |
9f616d61 | 141 | fTmpHits = 0 ; |
142 | ||
143 | fEmcClusters->Delete() ; | |
144 | delete fEmcClusters ; | |
145 | fEmcClusters = 0 ; | |
146 | ||
147 | fPpsdClusters->Delete() ; | |
148 | delete fPpsdClusters ; | |
149 | fPpsdClusters = 0 ; | |
150 | ||
151 | fTrackSegments->Delete() ; | |
152 | delete fTrackSegments ; | |
153 | fTrackSegments = 0 ; | |
d15a28e7 | 154 | } |
155 | ||
156 | //____________________________________________________________________________ | |
ff4c968a | 157 | void AliPHOSv0::AddHit(Int_t primary, Int_t Id, Float_t * hits) |
d15a28e7 | 158 | { |
b2a60966 | 159 | // Add a hit to the hit list. |
160 | // A PHOS hit is the sum of all hits in a single crystal | |
161 | // or in a single PPSD gas cell | |
162 | ||
d15a28e7 | 163 | Int_t hitCounter ; |
92862013 | 164 | TClonesArray <mphits = *fTmpHits ; |
d15a28e7 | 165 | AliPHOSHit *newHit ; |
92862013 | 166 | AliPHOSHit *curHit ; |
ff4c968a | 167 | Bool_t deja = kFALSE ; |
d15a28e7 | 168 | |
169 | // In any case, fills the fTmpHit TClonesArray (with "accumulated hits") | |
170 | ||
ff4c968a | 171 | newHit = new AliPHOSHit(primary, Id, hits) ; |
d15a28e7 | 172 | |
92862013 | 173 | for ( hitCounter = 0 ; hitCounter < fNTmpHits && !deja ; hitCounter++ ) { |
d15a28e7 | 174 | curHit = (AliPHOSHit*) ltmphits[hitCounter] ; |
175 | if( *curHit == *newHit ) { | |
ff4c968a | 176 | *curHit = *curHit + *newHit ; |
177 | deja = kTRUE ; | |
d15a28e7 | 178 | } |
179 | } | |
180 | ||
92862013 | 181 | if ( !deja ) { |
d15a28e7 | 182 | new(ltmphits[fNTmpHits]) AliPHOSHit(*newHit) ; |
183 | fNTmpHits++ ; | |
184 | } | |
185 | ||
186 | // Please note that the fTmpHits array must survive up to the | |
187 | // end of the events, so it does not appear e.g. in ResetHits() ( | |
188 | // which is called at the end of each primary). | |
fe4da5cc | 189 | |
d15a28e7 | 190 | // if (IsTreeSelected('H')) { |
191 | // And, if we really want raw hits tree, have the fHits array filled also | |
192 | // TClonesArray &lhits = *fHits; | |
193 | // new(lhits[fNhits]) AliPHOSHit(*newHit) ; | |
194 | // fNhits++ ; | |
195 | // } | |
196 | ||
ff4c968a | 197 | delete newHit; |
d15a28e7 | 198 | |
199 | } | |
200 | ||
201 | ||
202 | //____________________________________________________________________________ | |
203 | void AliPHOSv0::BuildGeometry() | |
fe4da5cc | 204 | { |
b2a60966 | 205 | // Build the PHOS geometry for the ROOT display |
206 | //BEGIN_HTML | |
207 | /* | |
208 | <H2> | |
209 | PHOS in ALICE displayed by root | |
210 | </H2> | |
211 | <UL> | |
212 | <LI> All Views | |
213 | <P> | |
214 | <CENTER> | |
215 | <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif"> | |
216 | </CENTER></P></LI> | |
217 | <LI> Front View | |
218 | <P> | |
219 | <CENTER> | |
220 | <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif"> | |
221 | </CENTER></P></LI> | |
222 | <LI> 3D View 1 | |
223 | <P> | |
224 | <CENTER> | |
225 | <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif"> | |
226 | </CENTER></P></LI> | |
227 | <LI> 3D View 2 | |
228 | <P> | |
229 | <CENTER> | |
230 | <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif"> | |
231 | </CENTER></P></LI> | |
232 | </UL> | |
233 | */ | |
234 | //END_HTML | |
d15a28e7 | 235 | |
236 | this->BuildGeometryforPHOS() ; | |
237 | if ( ( strcmp(fGeom->GetName(), "GPS2" ) == 0 ) ) | |
238 | this->BuildGeometryforPPSD() ; | |
239 | else | |
240 | cout << "AliPHOSv0::BuildGeometry : no charged particle identification system installed" << endl; | |
241 | ||
fe4da5cc | 242 | } |
d15a28e7 | 243 | |
244 | //____________________________________________________________________________ | |
245 | void AliPHOSv0:: BuildGeometryforPHOS(void) | |
246 | { | |
b2a60966 | 247 | // Build the PHOS-EMC geometry for the ROOT display |
d15a28e7 | 248 | |
249 | const Int_t kColorPHOS = kRed ; | |
250 | const Int_t kColorXTAL = kBlue ; | |
251 | ||
92862013 | 252 | Double_t const kRADDEG = 180.0 / kPI ; |
d15a28e7 | 253 | |
254 | new TBRIK( "OuterBox", "PHOS box", "void", fGeom->GetOuterBoxSize(0)/2, | |
255 | fGeom->GetOuterBoxSize(1)/2, | |
256 | fGeom->GetOuterBoxSize(2)/2 ); | |
257 | ||
258 | // Textolit Wall box, position inside PHOS | |
259 | ||
260 | new TBRIK( "TextolitBox", "PHOS Textolit box ", "void", fGeom->GetTextolitBoxSize(0)/2, | |
261 | fGeom->GetTextolitBoxSize(1)/2, | |
262 | fGeom->GetTextolitBoxSize(2)/2); | |
263 | ||
264 | // Polystyrene Foam Plate | |
265 | ||
266 | new TBRIK( "UpperFoamPlate", "PHOS Upper foam plate", "void", fGeom->GetTextolitBoxSize(0)/2, | |
267 | fGeom->GetSecondUpperPlateThickness()/2, | |
268 | fGeom->GetTextolitBoxSize(2)/2 ) ; | |
269 | ||
270 | // Air Filled Box | |
fe4da5cc | 271 | |
d15a28e7 | 272 | new TBRIK( "AirFilledBox", "PHOS air filled box", "void", fGeom->GetAirFilledBoxSize(0)/2, |
273 | fGeom->GetAirFilledBoxSize(1)/2, | |
274 | fGeom->GetAirFilledBoxSize(2)/2 ); | |
275 | ||
276 | // Crystals Box | |
277 | ||
92862013 | 278 | Float_t xtlX = fGeom->GetCrystalSize(0) ; |
279 | Float_t xtlY = fGeom->GetCrystalSize(1) ; | |
280 | Float_t xtlZ = fGeom->GetCrystalSize(2) ; | |
d15a28e7 | 281 | |
92862013 | 282 | Float_t xl = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ; |
283 | Float_t yl = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 | |
d15a28e7 | 284 | + fGeom->GetModuleBoxThickness() / 2.0 ; |
92862013 | 285 | Float_t zl = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ; |
d15a28e7 | 286 | |
92862013 | 287 | new TBRIK( "CrystalsBox", "PHOS crystals box", "void", xl, yl, zl ) ; |
d15a28e7 | 288 | |
289 | // position PHOS into ALICE | |
290 | ||
92862013 | 291 | Float_t r = fGeom->GetIPtoOuterCoverDistance() + fGeom->GetOuterBoxSize(1) / 2.0 ; |
d15a28e7 | 292 | Int_t number = 988 ; |
293 | Float_t pphi = TMath::ATan( fGeom->GetOuterBoxSize(0) / ( 2.0 * fGeom->GetIPtoOuterCoverDistance() ) ) ; | |
92862013 | 294 | pphi *= kRADDEG ; |
295 | TNode * top = gAlice->GetGeometry()->GetNode("alice") ; | |
d15a28e7 | 296 | |
297 | char * nodename = new char[20] ; | |
298 | char * rotname = new char[20] ; | |
299 | ||
300 | for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) { | |
301 | Float_t angle = pphi * 2 * ( i - fGeom->GetNModules() / 2.0 - 0.5 ) ; | |
302 | sprintf(rotname, "%s%d", "rot", number++) ; | |
303 | new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0); | |
92862013 | 304 | top->cd(); |
d15a28e7 | 305 | sprintf(nodename,"%s%d", "Module", i) ; |
92862013 | 306 | Float_t x = r * TMath::Sin( angle / kRADDEG ) ; |
307 | Float_t y = -r * TMath::Cos( angle / kRADDEG ) ; | |
308 | TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ; | |
309 | outerboxnode->SetLineColor(kColorPHOS) ; | |
310 | fNodes->Add(outerboxnode) ; | |
311 | outerboxnode->cd() ; | |
d15a28e7 | 312 | // now inside the outer box the textolit box |
92862013 | 313 | y = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ; |
d15a28e7 | 314 | sprintf(nodename,"%s%d", "TexBox", i) ; |
92862013 | 315 | TNode * textolitboxnode = new TNode(nodename, nodename, "TextolitBox", 0, y, 0) ; |
316 | textolitboxnode->SetLineColor(kColorPHOS) ; | |
317 | fNodes->Add(textolitboxnode) ; | |
d15a28e7 | 318 | // upper foam plate inside outre box |
92862013 | 319 | outerboxnode->cd() ; |
d15a28e7 | 320 | sprintf(nodename, "%s%d", "UFPlate", i) ; |
92862013 | 321 | y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ; |
322 | TNode * upperfoamplatenode = new TNode(nodename, nodename, "UpperFoamPlate", 0, y, 0) ; | |
323 | upperfoamplatenode->SetLineColor(kColorPHOS) ; | |
324 | fNodes->Add(upperfoamplatenode) ; | |
d15a28e7 | 325 | // air filled box inside textolit box (not drawn) |
92862013 | 326 | textolitboxnode->cd(); |
327 | y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ; | |
d15a28e7 | 328 | sprintf(nodename, "%s%d", "AFBox", i) ; |
92862013 | 329 | TNode * airfilledboxnode = new TNode(nodename, nodename, "AirFilledBox", 0, y, 0) ; |
330 | fNodes->Add(airfilledboxnode) ; | |
d15a28e7 | 331 | // crystals box inside air filled box |
92862013 | 332 | airfilledboxnode->cd() ; |
333 | y = fGeom->GetAirFilledBoxSize(1) / 2.0 - yl | |
d15a28e7 | 334 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness() |
335 | - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ; | |
336 | sprintf(nodename, "%s%d", "XTBox", i) ; | |
92862013 | 337 | TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, y, 0) ; |
338 | crystalsboxnode->SetLineColor(kColorXTAL) ; | |
339 | fNodes->Add(crystalsboxnode) ; | |
d15a28e7 | 340 | } |
341 | } | |
342 | ||
343 | //____________________________________________________________________________ | |
344 | void AliPHOSv0:: BuildGeometryforPPSD(void) | |
fe4da5cc | 345 | { |
b2a60966 | 346 | // Build the PHOS-PPSD geometry for the ROOT display |
347 | //BEGIN_HTML | |
348 | /* | |
349 | <H2> | |
350 | PPSD displayed by root | |
351 | </H2> | |
352 | <UL> | |
353 | <LI> Zoom on PPSD: Front View | |
354 | <P> | |
355 | <CENTER> | |
356 | <IMG Align=BOTTOM ALT="PPSD Front View" SRC="../images/AliPHOSv0PPSDFrontView.gif"> | |
357 | </CENTER></P></LI> | |
358 | <LI> Zoom on PPSD: Perspective View | |
359 | <P> | |
360 | <CENTER> | |
361 | <IMG Align=BOTTOM ALT="PPSD Prespective View" SRC="../images/AliPHOSv0PPSDPerspectiveView.gif"> | |
362 | </CENTER></P></LI> | |
363 | </UL> | |
364 | */ | |
365 | //END_HTML | |
92862013 | 366 | Double_t const kRADDEG = 180.0 / kPI ; |
d15a28e7 | 367 | |
368 | const Int_t kColorPHOS = kRed ; | |
369 | const Int_t kColorPPSD = kGreen ; | |
370 | const Int_t kColorGas = kBlue ; | |
371 | const Int_t kColorAir = kYellow ; | |
372 | ||
373 | // Box for a full PHOS module | |
374 | ||
375 | new TBRIK( "PPSDBox", "PPSD box", "void", fGeom->GetPPSDBoxSize(0)/2, | |
376 | fGeom->GetPPSDBoxSize(1)/2, | |
377 | fGeom->GetPPSDBoxSize(2)/2 ); | |
378 | ||
379 | // Box containing one micromegas module | |
380 | ||
381 | new TBRIK( "PPSDModule", "PPSD module", "void", fGeom->GetPPSDModuleSize(0)/2, | |
382 | fGeom->GetPPSDModuleSize(1)/2, | |
383 | fGeom->GetPPSDModuleSize(2)/2 ); | |
384 | // top lid | |
385 | ||
386 | new TBRIK ( "TopLid", "Micromegas top lid", "void", fGeom->GetPPSDModuleSize(0)/2, | |
387 | fGeom->GetLidThickness()/2, | |
388 | fGeom->GetPPSDModuleSize(2)/2 ) ; | |
389 | // composite panel (top and bottom) | |
390 | ||
391 | new TBRIK ( "TopPanel", "Composite top panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
392 | fGeom->GetCompositeThickness()/2, | |
393 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
394 | ||
395 | new TBRIK ( "BottomPanel", "Composite bottom panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
396 | fGeom->GetCompositeThickness()/2, | |
397 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
398 | // gas gap (conversion and avalanche) | |
399 | ||
400 | new TBRIK ( "GasGap", "gas gap", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
401 | ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() )/2, | |
402 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
403 | ||
404 | // anode and cathode | |
405 | ||
406 | new TBRIK ( "Anode", "Anode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
407 | fGeom->GetAnodeThickness()/2, | |
408 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
409 | ||
410 | new TBRIK ( "Cathode", "Cathode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
411 | fGeom->GetCathodeThickness()/2, | |
412 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
413 | // PC | |
414 | ||
415 | new TBRIK ( "PCBoard", "Printed Circuit", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
416 | fGeom->GetPCThickness()/2, | |
417 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
418 | // Gap between Lead and top micromegas | |
419 | ||
420 | new TBRIK ( "LeadToM", "Air Gap top", "void", fGeom->GetPPSDBoxSize(0)/2, | |
421 | fGeom->GetMicro1ToLeadGap()/2, | |
422 | fGeom->GetPPSDBoxSize(2)/2 ) ; | |
423 | ||
424 | // Gap between Lead and bottom micromegas | |
425 | ||
426 | new TBRIK ( "MToLead", "Air Gap bottom", "void", fGeom->GetPPSDBoxSize(0)/2, | |
427 | fGeom->GetLeadToMicro2Gap()/2, | |
428 | fGeom->GetPPSDBoxSize(2)/2 ) ; | |
429 | // Lead converter | |
430 | ||
431 | new TBRIK ( "Lead", "Lead converter", "void", fGeom->GetPPSDBoxSize(0)/2, | |
432 | fGeom->GetLeadConverterThickness()/2, | |
433 | fGeom->GetPPSDBoxSize(2)/2 ) ; | |
434 | ||
435 | // position PPSD into ALICE | |
436 | ||
437 | char * nodename = new char[20] ; | |
438 | char * rotname = new char[20] ; | |
439 | ||
92862013 | 440 | Float_t r = fGeom->GetIPtoTopLidDistance() + fGeom->GetPPSDBoxSize(1) / 2.0 ; |
d15a28e7 | 441 | Int_t number = 988 ; |
92862013 | 442 | TNode * top = gAlice->GetGeometry()->GetNode("alice") ; |
d15a28e7 | 443 | |
444 | for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) { // the number of PHOS modules | |
445 | Float_t angle = fGeom->GetPHOSAngle(i) ; | |
446 | sprintf(rotname, "%s%d", "rotg", number++) ; | |
447 | new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0); | |
92862013 | 448 | top->cd(); |
d15a28e7 | 449 | sprintf(nodename, "%s%d", "Moduleg", i) ; |
92862013 | 450 | Float_t x = r * TMath::Sin( angle / kRADDEG ) ; |
451 | Float_t y = -r * TMath::Cos( angle / kRADDEG ) ; | |
452 | TNode * ppsdboxnode = new TNode(nodename , nodename ,"PPSDBox", x, y, 0, rotname ) ; | |
453 | ppsdboxnode->SetLineColor(kColorPPSD) ; | |
454 | fNodes->Add(ppsdboxnode) ; | |
455 | ppsdboxnode->cd() ; | |
d15a28e7 | 456 | // inside the PPSD box: |
457 | // 1. fNumberOfModulesPhi x fNumberOfModulesZ top micromegas | |
92862013 | 458 | x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ; |
d15a28e7 | 459 | for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module |
92862013 | 460 | Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ; |
461 | TNode * micro1node ; | |
d15a28e7 | 462 | for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module |
92862013 | 463 | y = ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ; |
d15a28e7 | 464 | sprintf(nodename, "%s%d%d%d", "Mic1", i, iphi, iz) ; |
92862013 | 465 | micro1node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ; |
466 | micro1node->SetLineColor(kColorPPSD) ; | |
467 | fNodes->Add(micro1node) ; | |
d15a28e7 | 468 | // inside top micromegas |
92862013 | 469 | micro1node->cd() ; |
d15a28e7 | 470 | // a. top lid |
92862013 | 471 | y = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ; |
d15a28e7 | 472 | sprintf(nodename, "%s%d%d%d", "Lid", i, iphi, iz) ; |
92862013 | 473 | TNode * toplidnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ; |
474 | toplidnode->SetLineColor(kColorPPSD) ; | |
475 | fNodes->Add(toplidnode) ; | |
d15a28e7 | 476 | // b. composite panel |
92862013 | 477 | y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; |
d15a28e7 | 478 | sprintf(nodename, "%s%d%d%d", "CompU", i, iphi, iz) ; |
92862013 | 479 | TNode * compupnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ; |
480 | compupnode->SetLineColor(kColorPPSD) ; | |
481 | fNodes->Add(compupnode) ; | |
d15a28e7 | 482 | // c. anode |
92862013 | 483 | y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ; |
d15a28e7 | 484 | sprintf(nodename, "%s%d%d%d", "Ano", i, iphi, iz) ; |
92862013 | 485 | TNode * anodenode = new TNode(nodename, nodename, "Anode", 0, y, 0) ; |
486 | anodenode->SetLineColor(kColorPHOS) ; | |
487 | fNodes->Add(anodenode) ; | |
d15a28e7 | 488 | // d. gas |
92862013 | 489 | y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ; |
d15a28e7 | 490 | sprintf(nodename, "%s%d%d%d", "GGap", i, iphi, iz) ; |
92862013 | 491 | TNode * ggapnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ; |
492 | ggapnode->SetLineColor(kColorGas) ; | |
493 | fNodes->Add(ggapnode) ; | |
d15a28e7 | 494 | // f. cathode |
92862013 | 495 | y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ; |
d15a28e7 | 496 | sprintf(nodename, "%s%d%d%d", "Cathode", i, iphi, iz) ; |
92862013 | 497 | TNode * cathodenode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ; |
498 | cathodenode->SetLineColor(kColorPHOS) ; | |
499 | fNodes->Add(cathodenode) ; | |
d15a28e7 | 500 | // g. printed circuit |
92862013 | 501 | y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ; |
d15a28e7 | 502 | sprintf(nodename, "%s%d%d%d", "PC", i, iphi, iz) ; |
92862013 | 503 | TNode * pcnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ; |
504 | pcnode->SetLineColor(kColorPPSD) ; | |
505 | fNodes->Add(pcnode) ; | |
d15a28e7 | 506 | // h. composite panel |
92862013 | 507 | y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; |
d15a28e7 | 508 | sprintf(nodename, "%s%d%d%d", "CompDown", i, iphi, iz) ; |
92862013 | 509 | TNode * compdownnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ; |
510 | compdownnode->SetLineColor(kColorPPSD) ; | |
511 | fNodes->Add(compdownnode) ; | |
512 | z = z - fGeom->GetPPSDModuleSize(2) ; | |
513 | ppsdboxnode->cd() ; | |
d15a28e7 | 514 | } // end of Z module loop |
92862013 | 515 | x = x - fGeom->GetPPSDModuleSize(0) ; |
516 | ppsdboxnode->cd() ; | |
d15a28e7 | 517 | } // end of phi module loop |
518 | // 2. air gap | |
92862013 | 519 | ppsdboxnode->cd() ; |
520 | y = ( fGeom->GetPPSDBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ; | |
d15a28e7 | 521 | sprintf(nodename, "%s%d", "GapUp", i) ; |
92862013 | 522 | TNode * gapupnode = new TNode(nodename, nodename, "LeadToM", 0, y, 0) ; |
523 | gapupnode->SetLineColor(kColorAir) ; | |
524 | fNodes->Add(gapupnode) ; | |
d15a28e7 | 525 | // 3. lead converter |
92862013 | 526 | y = y - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ; |
d15a28e7 | 527 | sprintf(nodename, "%s%d", "LeadC", i) ; |
92862013 | 528 | TNode * leadcnode = new TNode(nodename, nodename, "Lead", 0, y, 0) ; |
529 | leadcnode->SetLineColor(kColorPPSD) ; | |
530 | fNodes->Add(leadcnode) ; | |
d15a28e7 | 531 | // 4. air gap |
92862013 | 532 | y = y - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ; |
d15a28e7 | 533 | sprintf(nodename, "%s%d", "GapDown", i) ; |
92862013 | 534 | TNode * gapdownnode = new TNode(nodename, nodename, "MToLead", 0, y, 0) ; |
535 | gapdownnode->SetLineColor(kColorAir) ; | |
536 | fNodes->Add(gapdownnode) ; | |
d15a28e7 | 537 | // 5. fNumberOfModulesPhi x fNumberOfModulesZ bottom micromegas |
92862013 | 538 | x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ; |
d15a28e7 | 539 | for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { |
92862013 | 540 | Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. - fGeom->GetZDisplacement() ;; |
541 | TNode * micro2node ; | |
d15a28e7 | 542 | for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { |
92862013 | 543 | y = - ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ; |
d15a28e7 | 544 | sprintf(nodename, "%s%d%d%d", "Mic2", i, iphi, iz) ; |
92862013 | 545 | micro2node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ; |
546 | micro2node->SetLineColor(kColorPPSD) ; | |
547 | fNodes->Add(micro2node) ; | |
d15a28e7 | 548 | // inside bottom micromegas |
92862013 | 549 | micro2node->cd() ; |
d15a28e7 | 550 | // a. top lid |
92862013 | 551 | y = ( fGeom->GetMicromegas2Thickness() - fGeom->GetLidThickness() ) / 2. ; |
d15a28e7 | 552 | sprintf(nodename, "%s%d", "Lidb", i) ; |
92862013 | 553 | TNode * toplidbnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ; |
554 | toplidbnode->SetLineColor(kColorPPSD) ; | |
555 | fNodes->Add(toplidbnode) ; | |
d15a28e7 | 556 | // b. composite panel |
92862013 | 557 | y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; |
d15a28e7 | 558 | sprintf(nodename, "%s%d", "CompUb", i) ; |
92862013 | 559 | TNode * compupbnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ; |
560 | compupbnode->SetLineColor(kColorPPSD) ; | |
561 | fNodes->Add(compupbnode) ; | |
d15a28e7 | 562 | // c. anode |
92862013 | 563 | y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ; |
d15a28e7 | 564 | sprintf(nodename, "%s%d", "Anob", i) ; |
92862013 | 565 | TNode * anodebnode = new TNode(nodename, nodename, "Anode", 0, y, 0) ; |
566 | anodebnode->SetLineColor(kColorPPSD) ; | |
567 | fNodes->Add(anodebnode) ; | |
d15a28e7 | 568 | // d. conversion gas |
92862013 | 569 | y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ; |
d15a28e7 | 570 | sprintf(nodename, "%s%d", "GGapb", i) ; |
92862013 | 571 | TNode * ggapbnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ; |
572 | ggapbnode->SetLineColor(kColorGas) ; | |
573 | fNodes->Add(ggapbnode) ; | |
d15a28e7 | 574 | // f. cathode |
92862013 | 575 | y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ; |
d15a28e7 | 576 | sprintf(nodename, "%s%d", "Cathodeb", i) ; |
92862013 | 577 | TNode * cathodebnode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ; |
578 | cathodebnode->SetLineColor(kColorPPSD) ; | |
579 | fNodes->Add(cathodebnode) ; | |
d15a28e7 | 580 | // g. printed circuit |
92862013 | 581 | y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ; |
d15a28e7 | 582 | sprintf(nodename, "%s%d", "PCb", i) ; |
92862013 | 583 | TNode * pcbnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ; |
584 | pcbnode->SetLineColor(kColorPPSD) ; | |
585 | fNodes->Add(pcbnode) ; | |
d15a28e7 | 586 | // h. composite pane |
92862013 | 587 | y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; |
d15a28e7 | 588 | sprintf(nodename, "%s%d", "CompDownb", i) ; |
92862013 | 589 | TNode * compdownbnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ; |
590 | compdownbnode->SetLineColor(kColorPPSD) ; | |
591 | fNodes->Add(compdownbnode) ; | |
592 | z = z - fGeom->GetPPSDModuleSize(2) ; | |
593 | ppsdboxnode->cd() ; | |
d15a28e7 | 594 | } // end of Z module loop |
92862013 | 595 | x = x - fGeom->GetPPSDModuleSize(0) ; |
596 | ppsdboxnode->cd() ; | |
d15a28e7 | 597 | } // end of phi module loop |
598 | } // PHOS modules | |
599 | delete rotname ; | |
600 | delete nodename ; | |
fe4da5cc | 601 | } |
602 | ||
d15a28e7 | 603 | //____________________________________________________________________________ |
fe4da5cc | 604 | void AliPHOSv0::CreateGeometry() |
605 | { | |
b2a60966 | 606 | // Create the PHOS geometry for Geant |
d15a28e7 | 607 | |
92862013 | 608 | AliPHOSv0 *phostmp = (AliPHOSv0*)gAlice->GetModule("PHOS") ; |
d15a28e7 | 609 | |
92862013 | 610 | if ( phostmp == NULL ) { |
d15a28e7 | 611 | |
612 | fprintf(stderr, "PHOS detector not found!\n") ; | |
613 | return; | |
fe4da5cc | 614 | |
d15a28e7 | 615 | } |
d15a28e7 | 616 | // Get pointer to the array containing media indeces |
92862013 | 617 | Int_t *idtmed = fIdtmed->GetArray() - 699 ; |
d15a28e7 | 618 | |
92862013 | 619 | Float_t bigbox[3] ; |
620 | bigbox[0] = fGeom->GetOuterBoxSize(0) / 2.0 ; | |
621 | bigbox[1] = ( fGeom->GetOuterBoxSize(1) + fGeom->GetPPSDBoxSize(1) ) / 2.0 ; | |
622 | bigbox[2] = fGeom->GetOuterBoxSize(2) / 2.0 ; | |
d15a28e7 | 623 | |
92862013 | 624 | gMC->Gsvolu("PHOS", "BOX ", idtmed[798], bigbox, 3) ; |
d15a28e7 | 625 | |
626 | this->CreateGeometryforPHOS() ; | |
627 | if ( strcmp( fGeom->GetName(), "GPS2") == 0 ) | |
628 | this->CreateGeometryforPPSD() ; | |
629 | else | |
630 | cout << "AliPHOSv0::CreateGeometry : no charged particle identification system installed" << endl; | |
631 | ||
632 | // --- Position PHOS mdules in ALICE setup --- | |
633 | ||
92862013 | 634 | Int_t idrotm[99] ; |
635 | Double_t const kRADDEG = 180.0 / kPI ; | |
d15a28e7 | 636 | |
637 | for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) { | |
638 | ||
639 | Float_t angle = fGeom->GetPHOSAngle(i) ; | |
92862013 | 640 | AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ; |
d15a28e7 | 641 | |
92862013 | 642 | Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetPPSDBoxSize(1) ) / 2.0 ; |
d15a28e7 | 643 | |
92862013 | 644 | Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ; |
645 | Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ; | |
d15a28e7 | 646 | |
92862013 | 647 | gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ; |
d15a28e7 | 648 | |
649 | } // for GetNModules | |
650 | ||
fe4da5cc | 651 | } |
d15a28e7 | 652 | |
653 | //____________________________________________________________________________ | |
654 | void AliPHOSv0::CreateGeometryforPHOS() | |
655 | { | |
b2a60966 | 656 | // Create the PHOS-EMC geometry for GEANT |
657 | //BEGIN_HTML | |
658 | /* | |
659 | <H2> | |
660 | Geant3 geometry tree of PHOS-EMC in ALICE | |
661 | </H2> | |
662 | <P><CENTER> | |
663 | <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif"> | |
664 | </CENTER><P> | |
665 | */ | |
666 | //END_HTML | |
667 | ||
668 | // Get pointer to the array containing media indexes | |
92862013 | 669 | Int_t *idtmed = fIdtmed->GetArray() - 699 ; |
d15a28e7 | 670 | |
671 | // --- | |
672 | // --- Define PHOS box volume, fPUFPill with thermo insulating foam --- | |
673 | // --- Foam Thermo Insulating outer cover dimensions --- | |
92862013 | 674 | // --- Put it in bigbox = PHOS |
d15a28e7 | 675 | |
92862013 | 676 | Float_t dphos[3] ; |
677 | dphos[0] = fGeom->GetOuterBoxSize(0) / 2.0 ; | |
678 | dphos[1] = fGeom->GetOuterBoxSize(1) / 2.0 ; | |
679 | dphos[2] = fGeom->GetOuterBoxSize(2) / 2.0 ; | |
d15a28e7 | 680 | |
92862013 | 681 | gMC->Gsvolu("EMCA", "BOX ", idtmed[706], dphos, 3) ; |
d15a28e7 | 682 | |
92862013 | 683 | Float_t yO = - fGeom->GetPPSDBoxSize(1) / 2.0 ; |
d15a28e7 | 684 | |
92862013 | 685 | gMC->Gspos("EMCA", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 686 | |
687 | // --- | |
688 | // --- Define Textolit Wall box, position inside EMCA --- | |
689 | // --- Textolit Wall box dimentions --- | |
690 | ||
691 | ||
92862013 | 692 | Float_t dptxw[3]; |
693 | dptxw[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ; | |
694 | dptxw[1] = fGeom->GetTextolitBoxSize(1) / 2.0 ; | |
695 | dptxw[2] = fGeom->GetTextolitBoxSize(2) / 2.0 ; | |
d15a28e7 | 696 | |
92862013 | 697 | gMC->Gsvolu("PTXW", "BOX ", idtmed[707], dptxw, 3); |
d15a28e7 | 698 | |
92862013 | 699 | yO = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ; |
d15a28e7 | 700 | |
92862013 | 701 | gMC->Gspos("PTXW", 1, "EMCA", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 702 | |
703 | // --- | |
704 | // --- Define Upper Polystyrene Foam Plate, place inside PTXW --- | |
705 | // --- immediately below Foam Thermo Insulation Upper plate --- | |
706 | ||
707 | // --- Upper Polystyrene Foam plate thickness --- | |
708 | ||
92862013 | 709 | Float_t dpufp[3] ; |
710 | dpufp[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ; | |
711 | dpufp[1] = fGeom->GetSecondUpperPlateThickness() / 2. ; | |
712 | dpufp[2] = fGeom->GetTextolitBoxSize(2) /2.0 ; | |
d15a28e7 | 713 | |
92862013 | 714 | gMC->Gsvolu("PUFP", "BOX ", idtmed[703], dpufp, 3) ; |
d15a28e7 | 715 | |
92862013 | 716 | yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ; |
d15a28e7 | 717 | |
92862013 | 718 | gMC->Gspos("PUFP", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 719 | |
720 | // --- | |
721 | // --- Define air-filled box, place inside PTXW --- | |
722 | // --- Inner AIR volume dimensions --- | |
fe4da5cc | 723 | |
d15a28e7 | 724 | |
92862013 | 725 | Float_t dpair[3] ; |
726 | dpair[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ; | |
727 | dpair[1] = fGeom->GetAirFilledBoxSize(1) / 2.0 ; | |
728 | dpair[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ; | |
d15a28e7 | 729 | |
92862013 | 730 | gMC->Gsvolu("PAIR", "BOX ", idtmed[798], dpair, 3) ; |
d15a28e7 | 731 | |
92862013 | 732 | yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ; |
d15a28e7 | 733 | |
92862013 | 734 | gMC->Gspos("PAIR", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 735 | |
736 | // --- Dimensions of PbWO4 crystal --- | |
737 | ||
92862013 | 738 | Float_t xtlX = fGeom->GetCrystalSize(0) ; |
739 | Float_t xtlY = fGeom->GetCrystalSize(1) ; | |
740 | Float_t xtlZ = fGeom->GetCrystalSize(2) ; | |
d15a28e7 | 741 | |
92862013 | 742 | Float_t dptcb[3] ; |
743 | dptcb[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ; | |
744 | dptcb[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 | |
d15a28e7 | 745 | + fGeom->GetModuleBoxThickness() / 2.0 ; |
92862013 | 746 | dptcb[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ; |
d15a28e7 | 747 | |
92862013 | 748 | gMC->Gsvolu("PTCB", "BOX ", idtmed[706], dptcb, 3) ; |
d15a28e7 | 749 | |
92862013 | 750 | yO = fGeom->GetAirFilledBoxSize(1) / 2.0 - dptcb[1] |
d15a28e7 | 751 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness() |
752 | - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ; | |
753 | ||
92862013 | 754 | gMC->Gspos("PTCB", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 755 | |
756 | // --- | |
757 | // --- Define Crystal BLock filled with air, position it inside PTCB --- | |
92862013 | 758 | Float_t dpcbl[3] ; |
d15a28e7 | 759 | |
92862013 | 760 | dpcbl[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ; |
761 | dpcbl[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ; | |
762 | dpcbl[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ; | |
d15a28e7 | 763 | |
92862013 | 764 | gMC->Gsvolu("PCBL", "BOX ", idtmed[798], dpcbl, 3) ; |
d15a28e7 | 765 | |
766 | // --- Divide PCBL in X (phi) and Z directions -- | |
767 | gMC->Gsdvn("PROW", "PCBL", Int_t (fGeom->GetNPhi()), 1) ; | |
768 | gMC->Gsdvn("PCEL", "PROW", Int_t (fGeom->GetNZ()), 3) ; | |
769 | ||
92862013 | 770 | yO = -fGeom->GetModuleBoxThickness() / 2.0 ; |
d15a28e7 | 771 | |
92862013 | 772 | gMC->Gspos("PCBL", 1, "PTCB", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 773 | |
774 | // --- | |
775 | // --- Define STeel (actually, it's titanium) Cover volume, place inside PCEL | |
92862013 | 776 | Float_t dpstc[3] ; |
d15a28e7 | 777 | |
92862013 | 778 | dpstc[0] = ( xtlX + 2 * fGeom->GetCrystalWrapThickness() ) / 2.0 ; |
779 | dpstc[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ; | |
780 | dpstc[2] = ( xtlZ + 2 * fGeom->GetCrystalWrapThickness() + 2 * fGeom->GetCrystalHolderThickness() ) / 2.0 ; | |
d15a28e7 | 781 | |
92862013 | 782 | gMC->Gsvolu("PSTC", "BOX ", idtmed[704], dpstc, 3) ; |
d15a28e7 | 783 | |
784 | gMC->Gspos("PSTC", 1, "PCEL", 0.0, 0.0, 0.0, 0, "ONLY") ; | |
785 | ||
786 | // --- | |
787 | // --- Define Tyvek volume, place inside PSTC --- | |
92862013 | 788 | Float_t dppap[3] ; |
d15a28e7 | 789 | |
92862013 | 790 | dppap[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ; |
791 | dppap[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ; | |
792 | dppap[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ; | |
d15a28e7 | 793 | |
92862013 | 794 | gMC->Gsvolu("PPAP", "BOX ", idtmed[702], dppap, 3) ; |
d15a28e7 | 795 | |
92862013 | 796 | yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 |
797 | - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ; | |
d15a28e7 | 798 | |
92862013 | 799 | gMC->Gspos("PPAP", 1, "PSTC", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 800 | |
801 | // --- | |
802 | // --- Define PbWO4 crystal volume, place inside PPAP --- | |
92862013 | 803 | Float_t dpxtl[3] ; |
d15a28e7 | 804 | |
92862013 | 805 | dpxtl[0] = xtlX / 2.0 ; |
806 | dpxtl[1] = xtlY / 2.0 ; | |
807 | dpxtl[2] = xtlZ / 2.0 ; | |
d15a28e7 | 808 | |
92862013 | 809 | gMC->Gsvolu("PXTL", "BOX ", idtmed[699], dpxtl, 3) ; |
d15a28e7 | 810 | |
92862013 | 811 | yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 - xtlY / 2.0 - fGeom->GetCrystalWrapThickness() ; |
d15a28e7 | 812 | |
92862013 | 813 | gMC->Gspos("PXTL", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 814 | |
815 | // --- | |
816 | // --- Define crystal support volume, place inside PPAP --- | |
92862013 | 817 | Float_t dpsup[3] ; |
d15a28e7 | 818 | |
92862013 | 819 | dpsup[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ; |
820 | dpsup[1] = fGeom->GetCrystalSupportHeight() / 2.0 ; | |
821 | dpsup[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ; | |
d15a28e7 | 822 | |
92862013 | 823 | gMC->Gsvolu("PSUP", "BOX ", idtmed[798], dpsup, 3) ; |
d15a28e7 | 824 | |
92862013 | 825 | yO = fGeom->GetCrystalSupportHeight() / 2.0 - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ; |
d15a28e7 | 826 | |
92862013 | 827 | gMC->Gspos("PSUP", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 828 | |
829 | // --- | |
830 | // --- Define PIN-diode volume and position it inside crystal support --- | |
831 | // --- right behind PbWO4 crystal | |
832 | ||
833 | // --- PIN-diode dimensions --- | |
834 | ||
835 | ||
92862013 | 836 | Float_t dppin[3] ; |
837 | dppin[0] = fGeom->GetPinDiodeSize(0) / 2.0 ; | |
838 | dppin[1] = fGeom->GetPinDiodeSize(1) / 2.0 ; | |
839 | dppin[2] = fGeom->GetPinDiodeSize(2) / 2.0 ; | |
d15a28e7 | 840 | |
92862013 | 841 | gMC->Gsvolu("PPIN", "BOX ", idtmed[705], dppin, 3) ; |
d15a28e7 | 842 | |
92862013 | 843 | yO = fGeom->GetCrystalSupportHeight() / 2.0 - fGeom->GetPinDiodeSize(1) / 2.0 ; |
d15a28e7 | 844 | |
92862013 | 845 | gMC->Gspos("PPIN", 1, "PSUP", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 846 | |
847 | // --- | |
848 | // --- Define Upper Cooling Panel, place it on top of PTCB --- | |
92862013 | 849 | Float_t dpucp[3] ; |
d15a28e7 | 850 | // --- Upper Cooling Plate thickness --- |
851 | ||
92862013 | 852 | dpucp[0] = dptcb[0] ; |
853 | dpucp[1] = fGeom->GetUpperCoolingPlateThickness() ; | |
854 | dpucp[2] = dptcb[2] ; | |
d15a28e7 | 855 | |
92862013 | 856 | gMC->Gsvolu("PUCP", "BOX ", idtmed[701], dpucp,3) ; |
d15a28e7 | 857 | |
92862013 | 858 | yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetUpperCoolingPlateThickness() ) / 2. |
d15a28e7 | 859 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness() |
860 | - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() - fGeom->GetUpperCoolingPlateThickness() ) ; | |
861 | ||
92862013 | 862 | gMC->Gspos("PUCP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 863 | |
864 | // --- | |
865 | // --- Define Al Support Plate, position it inside PAIR --- | |
866 | // --- right beneath PTCB --- | |
867 | // --- Al Support Plate thickness --- | |
868 | ||
92862013 | 869 | Float_t dpasp[3] ; |
870 | dpasp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ; | |
871 | dpasp[1] = fGeom->GetSupportPlateThickness() / 2.0 ; | |
872 | dpasp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ; | |
d15a28e7 | 873 | |
92862013 | 874 | gMC->Gsvolu("PASP", "BOX ", idtmed[701], dpasp, 3) ; |
d15a28e7 | 875 | |
92862013 | 876 | yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetSupportPlateThickness() ) / 2. |
d15a28e7 | 877 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() |
92862013 | 878 | - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 ) ; |
d15a28e7 | 879 | |
92862013 | 880 | gMC->Gspos("PASP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 881 | |
882 | // --- | |
883 | // --- Define Thermo Insulating Plate, position it inside PAIR --- | |
884 | // --- right beneath PASP --- | |
885 | // --- Lower Thermo Insulating Plate thickness --- | |
886 | ||
92862013 | 887 | Float_t dptip[3] ; |
888 | dptip[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ; | |
889 | dptip[1] = fGeom->GetLowerThermoPlateThickness() / 2.0 ; | |
890 | dptip[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ; | |
d15a28e7 | 891 | |
92862013 | 892 | gMC->Gsvolu("PTIP", "BOX ", idtmed[706], dptip, 3) ; |
d15a28e7 | 893 | |
92862013 | 894 | yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerThermoPlateThickness() ) / 2. |
d15a28e7 | 895 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness() |
92862013 | 896 | - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness() ) ; |
d15a28e7 | 897 | |
92862013 | 898 | gMC->Gspos("PTIP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 899 | |
900 | // --- | |
901 | // --- Define Textolit Plate, position it inside PAIR --- | |
902 | // --- right beneath PTIP --- | |
903 | // --- Lower Textolit Plate thickness --- | |
904 | ||
92862013 | 905 | Float_t dptxp[3] ; |
906 | dptxp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ; | |
907 | dptxp[1] = fGeom->GetLowerTextolitPlateThickness() / 2.0 ; | |
908 | dptxp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ; | |
d15a28e7 | 909 | |
92862013 | 910 | gMC->Gsvolu("PTXP", "BOX ", idtmed[707], dptxp, 3) ; |
d15a28e7 | 911 | |
92862013 | 912 | yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerTextolitPlateThickness() ) / 2. |
d15a28e7 | 913 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness() |
92862013 | 914 | - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness() |
d15a28e7 | 915 | + fGeom->GetLowerThermoPlateThickness() ) ; |
916 | ||
92862013 | 917 | gMC->Gspos("PTXP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 918 | |
919 | } | |
920 | ||
921 | //____________________________________________________________________________ | |
922 | void AliPHOSv0::CreateGeometryforPPSD() | |
fe4da5cc | 923 | { |
b2a60966 | 924 | // Create the PHOS-PPSD geometry for GEANT |
925 | ||
926 | //BEGIN_HTML | |
927 | /* | |
928 | <H2> | |
929 | Geant3 geometry tree of PHOS-PPSD in ALICE | |
930 | </H2> | |
931 | <P><CENTER> | |
932 | <IMG Align=BOTTOM ALT="PPSD geant tree" SRC="../images/PPSDinAlice.gif"> | |
933 | </CENTER><P> | |
934 | */ | |
935 | //END_HTML | |
936 | ||
937 | // Get pointer to the array containing media indexes | |
92862013 | 938 | Int_t *idtmed = fIdtmed->GetArray() - 699 ; |
d15a28e7 | 939 | |
92862013 | 940 | // The box containing all ppsd's for one PHOS module filled with air |
941 | Float_t ppsd[3] ; | |
942 | ppsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ; | |
943 | ppsd[1] = fGeom->GetPPSDBoxSize(1) / 2.0 ; | |
944 | ppsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ; | |
fe4da5cc | 945 | |
92862013 | 946 | gMC->Gsvolu("PPSD", "BOX ", idtmed[798], ppsd, 3) ; |
d15a28e7 | 947 | |
92862013 | 948 | Float_t yO = fGeom->GetOuterBoxSize(1) / 2.0 ; |
d15a28e7 | 949 | |
92862013 | 950 | gMC->Gspos("PPSD", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ; |
d15a28e7 | 951 | |
952 | // Now we build a micromegas module | |
953 | // The box containing the whole module filled with epoxy (FR4) | |
954 | ||
92862013 | 955 | Float_t mppsd[3] ; |
956 | mppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ; | |
957 | mppsd[1] = fGeom->GetPPSDModuleSize(1) / 2.0 ; | |
958 | mppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ; | |
d15a28e7 | 959 | |
92862013 | 960 | gMC->Gsvolu("MPPS", "BOX ", idtmed[708], mppsd, 3) ; |
d15a28e7 | 961 | |
92862013 | 962 | // Inside mppsd : |
d15a28e7 | 963 | // 1. The Top Lid made of epoxy (FR4) |
964 | ||
92862013 | 965 | Float_t tlppsd[3] ; |
966 | tlppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ; | |
967 | tlppsd[1] = fGeom->GetLidThickness() / 2.0 ; | |
968 | tlppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ; | |
d15a28e7 | 969 | |
92862013 | 970 | gMC->Gsvolu("TLPS", "BOX ", idtmed[708], tlppsd, 3) ; |
d15a28e7 | 971 | |
92862013 | 972 | Float_t y0 = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ; |
d15a28e7 | 973 | |
92862013 | 974 | gMC->Gspos("TLPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 975 | |
976 | // 2. the upper panel made of composite material | |
977 | ||
92862013 | 978 | Float_t upppsd[3] ; |
979 | upppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
980 | upppsd[1] = fGeom->GetCompositeThickness() / 2.0 ; | |
981 | upppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
d15a28e7 | 982 | |
92862013 | 983 | gMC->Gsvolu("UPPS", "BOX ", idtmed[709], upppsd, 3) ; |
d15a28e7 | 984 | |
92862013 | 985 | y0 = y0 - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; |
d15a28e7 | 986 | |
92862013 | 987 | gMC->Gspos("UPPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 988 | |
989 | // 3. the anode made of Copper | |
990 | ||
92862013 | 991 | Float_t anppsd[3] ; |
992 | anppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
993 | anppsd[1] = fGeom->GetAnodeThickness() / 2.0 ; | |
994 | anppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
d15a28e7 | 995 | |
92862013 | 996 | gMC->Gsvolu("ANPS", "BOX ", idtmed[710], anppsd, 3) ; |
d15a28e7 | 997 | |
92862013 | 998 | y0 = y0 - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ; |
d15a28e7 | 999 | |
92862013 | 1000 | gMC->Gspos("ANPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 1001 | |
1002 | // 4. the conversion gap + avalanche gap filled with gas | |
1003 | ||
92862013 | 1004 | Float_t ggppsd[3] ; |
1005 | ggppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1006 | ggppsd[1] = ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2.0 ; | |
1007 | ggppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
d15a28e7 | 1008 | |
92862013 | 1009 | gMC->Gsvolu("GGPS", "BOX ", idtmed[715], ggppsd, 3) ; |
d15a28e7 | 1010 | |
1011 | // --- Divide GGPP in X (phi) and Z directions -- | |
1012 | gMC->Gsdvn("GROW", "GGPS", fGeom->GetNumberOfPadsPhi(), 1) ; | |
1013 | gMC->Gsdvn("GCEL", "GROW", fGeom->GetNumberOfPadsZ() , 3) ; | |
1014 | ||
92862013 | 1015 | y0 = y0 - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ; |
d15a28e7 | 1016 | |
92862013 | 1017 | gMC->Gspos("GGPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 1018 | |
1019 | ||
1020 | // 6. the cathode made of Copper | |
1021 | ||
92862013 | 1022 | Float_t cappsd[3] ; |
1023 | cappsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1024 | cappsd[1] = fGeom->GetCathodeThickness() / 2.0 ; | |
1025 | cappsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
d15a28e7 | 1026 | |
92862013 | 1027 | gMC->Gsvolu("CAPS", "BOX ", idtmed[710], cappsd, 3) ; |
d15a28e7 | 1028 | |
92862013 | 1029 | y0 = y0 - ( fGeom->GetAvalancheGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ; |
d15a28e7 | 1030 | |
92862013 | 1031 | gMC->Gspos("CAPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 1032 | |
1033 | // 7. the printed circuit made of G10 | |
1034 | ||
92862013 | 1035 | Float_t pcppsd[3] ; |
1036 | pcppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2,.0 ; | |
1037 | pcppsd[1] = fGeom->GetPCThickness() / 2.0 ; | |
1038 | pcppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
d15a28e7 | 1039 | |
92862013 | 1040 | gMC->Gsvolu("PCPS", "BOX ", idtmed[711], cappsd, 3) ; |
d15a28e7 | 1041 | |
92862013 | 1042 | y0 = y0 - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ; |
d15a28e7 | 1043 | |
92862013 | 1044 | gMC->Gspos("PCPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 1045 | |
1046 | // 8. the lower panel made of composite material | |
1047 | ||
92862013 | 1048 | Float_t lpppsd[3] ; |
1049 | lpppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1050 | lpppsd[1] = fGeom->GetCompositeThickness() / 2.0 ; | |
1051 | lpppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
d15a28e7 | 1052 | |
92862013 | 1053 | gMC->Gsvolu("LPPS", "BOX ", idtmed[709], lpppsd, 3) ; |
d15a28e7 | 1054 | |
92862013 | 1055 | y0 = y0 - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; |
d15a28e7 | 1056 | |
92862013 | 1057 | gMC->Gspos("LPPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 1058 | |
92862013 | 1059 | // Position the fNumberOfModulesPhi x fNumberOfModulesZ modules (mppsd) inside PPSD to cover a PHOS module |
d15a28e7 | 1060 | // the top and bottom one's (which are assumed identical) : |
1061 | ||
92862013 | 1062 | Float_t yt = ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ; |
1063 | Float_t yb = - ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ; | |
d15a28e7 | 1064 | |
92862013 | 1065 | Int_t copyNumbertop = 0 ; |
1066 | Int_t copyNumberbot = fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() ; | |
d15a28e7 | 1067 | |
92862013 | 1068 | Float_t x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ; |
d15a28e7 | 1069 | |
1070 | for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module | |
92862013 | 1071 | Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ; |
d15a28e7 | 1072 | |
1073 | for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module | |
92862013 | 1074 | gMC->Gspos("MPPS", ++copyNumbertop, "PPSD", x, yt, z, 0, "ONLY") ; |
1075 | gMC->Gspos("MPPS", ++copyNumberbot, "PPSD", x, yb, z, 0, "ONLY") ; | |
1076 | z = z - fGeom->GetPPSDModuleSize(2) ; | |
d15a28e7 | 1077 | } // end of Z module loop |
92862013 | 1078 | x = x - fGeom->GetPPSDModuleSize(0) ; |
d15a28e7 | 1079 | } // end of phi module loop |
1080 | ||
1081 | // The Lead converter between two air gaps | |
1082 | // 1. Upper air gap | |
1083 | ||
92862013 | 1084 | Float_t uappsd[3] ; |
1085 | uappsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ; | |
1086 | uappsd[1] = fGeom->GetMicro1ToLeadGap() / 2.0 ; | |
1087 | uappsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ; | |
d15a28e7 | 1088 | |
92862013 | 1089 | gMC->Gsvolu("UAPPSD", "BOX ", idtmed[798], uappsd, 3) ; |
d15a28e7 | 1090 | |
92862013 | 1091 | y0 = ( fGeom->GetPPSDBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ; |
d15a28e7 | 1092 | |
92862013 | 1093 | gMC->Gspos("UAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 1094 | |
1095 | // 2. Lead converter | |
1096 | ||
92862013 | 1097 | Float_t lcppsd[3] ; |
1098 | lcppsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ; | |
1099 | lcppsd[1] = fGeom->GetLeadConverterThickness() / 2.0 ; | |
1100 | lcppsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ; | |
d15a28e7 | 1101 | |
92862013 | 1102 | gMC->Gsvolu("LCPPSD", "BOX ", idtmed[712], lcppsd, 3) ; |
d15a28e7 | 1103 | |
92862013 | 1104 | y0 = y0 - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ; |
d15a28e7 | 1105 | |
92862013 | 1106 | gMC->Gspos("LCPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 1107 | |
1108 | // 3. Lower air gap | |
1109 | ||
92862013 | 1110 | Float_t lappsd[3] ; |
1111 | lappsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ; | |
1112 | lappsd[1] = fGeom->GetLeadToMicro2Gap() / 2.0 ; | |
1113 | lappsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ; | |
d15a28e7 | 1114 | |
92862013 | 1115 | gMC->Gsvolu("LAPPSD", "BOX ", idtmed[798], lappsd, 3) ; |
fe4da5cc | 1116 | |
92862013 | 1117 | y0 = y0 - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ; |
d15a28e7 | 1118 | |
92862013 | 1119 | gMC->Gspos("LAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ; |
d15a28e7 | 1120 | |
fe4da5cc | 1121 | } |
1122 | ||
d15a28e7 | 1123 | //___________________________________________________________________________ |
b2a60966 | 1124 | Int_t AliPHOSv0::Digitize(Float_t Energy) |
1125 | { | |
1126 | // Applies the energy calibration | |
1127 | ||
9f616d61 | 1128 | Float_t fB = 100000000. ; |
d15a28e7 | 1129 | Float_t fA = 0. ; |
1130 | Int_t chan = Int_t(fA + Energy*fB ) ; | |
1131 | return chan ; | |
1132 | } | |
1133 | //___________________________________________________________________________ | |
1134 | void AliPHOSv0::FinishEvent() | |
fe4da5cc | 1135 | { |
b2a60966 | 1136 | // Makes the digits from the sum of summed hit in a single crystal or PPSD gas cell |
1137 | // Adds to the energy the electronic noise | |
1138 | // Keeps digits with energy above fDigitThreshold | |
1139 | ||
d15a28e7 | 1140 | Int_t i ; |
cf239357 | 1141 | Int_t relid[4]; |
ff4c968a | 1142 | Int_t j ; |
d15a28e7 | 1143 | TClonesArray &lDigits = *fDigits ; |
92862013 | 1144 | AliPHOSHit * hit ; |
ff4c968a | 1145 | AliPHOSDigit * newdigit ; |
1146 | AliPHOSDigit * curdigit ; | |
1147 | Bool_t deja = kFALSE ; | |
b2a60966 | 1148 | |
d15a28e7 | 1149 | for ( i = 0 ; i < fNTmpHits ; i++ ) { |
92862013 | 1150 | hit = (AliPHOSHit*)fTmpHits->At(i) ; |
ff4c968a | 1151 | newdigit = new AliPHOSDigit( hit->GetPrimary(), hit->GetId(), Digitize( hit->GetEnergy() ) ) ; |
6a72c964 | 1152 | deja =kFALSE ; |
ff4c968a | 1153 | for ( j = 0 ; j < fNdigits ; j++) { |
cf239357 | 1154 | curdigit = (AliPHOSDigit*) lDigits[j] ; |
ff4c968a | 1155 | if ( *curdigit == *newdigit) { |
cf239357 | 1156 | *curdigit = *curdigit + *newdigit ; |
ff4c968a | 1157 | deja = kTRUE ; |
1158 | } | |
1159 | } | |
d1232693 | 1160 | if ( !deja ) { |
ff4c968a | 1161 | new(lDigits[fNdigits]) AliPHOSDigit(* newdigit) ; |
1162 | fNdigits++ ; | |
1163 | } | |
1164 | ||
1165 | delete newdigit ; | |
0869cea5 | 1166 | } |
ff4c968a | 1167 | |
cf239357 | 1168 | // Noise induced by the PIN diode of the PbWO crystals |
26d4b141 | 1169 | |
0869cea5 | 1170 | Float_t energyandnoise ; |
1171 | for ( i = 0 ; i < fNdigits ; i++ ) { | |
ff4c968a | 1172 | newdigit = (AliPHOSDigit * ) fDigits->At(i) ; |
cf239357 | 1173 | fGeom->AbsToRelNumbering(newdigit->GetId(), relid) ; |
ae37f159 | 1174 | |
cf239357 | 1175 | if (relid[1]==0){ // Digits belong to EMC (PbW0_4 crystals) |
3a6a7952 | 1176 | energyandnoise = newdigit->GetAmp() + Digitize(gRandom->Gaus(0., fPinElectronicNoise)) ; |
ae37f159 | 1177 | |
cf239357 | 1178 | if (energyandnoise < 0 ) |
1179 | energyandnoise = 0 ; | |
ae37f159 | 1180 | |
cf239357 | 1181 | newdigit->SetAmp(energyandnoise) ; |
ae37f159 | 1182 | |
1183 | if ( newdigit->GetAmp() < fDigitThreshold ) // if threshold not surpassed, remove digit from list | |
1184 | fDigits->RemoveAt(i) ; | |
cf239357 | 1185 | } |
fe4da5cc | 1186 | } |
ae37f159 | 1187 | fDigits->Compress() ; |
d15a28e7 | 1188 | fNTmpHits = 0 ; |
1189 | fTmpHits->Delete(); | |
fe4da5cc | 1190 | } |
d15a28e7 | 1191 | |
1192 | //____________________________________________________________________________ | |
1193 | void AliPHOSv0::Init(void) | |
1194 | { | |
b2a60966 | 1195 | // Just prints an information message |
1196 | ||
d15a28e7 | 1197 | Int_t i; |
1198 | ||
1199 | printf("\n"); | |
1200 | for(i=0;i<35;i++) printf("*"); | |
1201 | printf(" PHOS_INIT "); | |
1202 | for(i=0;i<35;i++) printf("*"); | |
1203 | printf("\n"); | |
1204 | ||
1205 | // Here the PHOS initialisation code (if any!) | |
1206 | ||
1207 | for(i=0;i<80;i++) printf("*"); | |
1208 | printf("\n"); | |
1209 | ||
1210 | } | |
1211 | ||
1212 | //___________________________________________________________________________ | |
1213 | void AliPHOSv0::MakeBranch(Option_t* opt) | |
1214 | { | |
b2a60966 | 1215 | // Create new branche in the current Root Tree in the digit Tree |
1216 | ||
d15a28e7 | 1217 | AliDetector::MakeBranch(opt) ; |
1218 | ||
1219 | char branchname[10]; | |
1220 | sprintf(branchname,"%s",GetName()); | |
c198e326 | 1221 | char *cdD = strstr(opt,"D"); |
d15a28e7 | 1222 | |
c198e326 | 1223 | if (fDigits && gAlice->TreeD() && cdD) { |
d15a28e7 | 1224 | gAlice->TreeD()->Branch(branchname,&fDigits, fBufferSize); |
c198e326 | 1225 | } |
d15a28e7 | 1226 | } |
d15a28e7 | 1227 | |
9f616d61 | 1228 | //_____________________________________________________________________________ |
6ad0bfa0 | 1229 | void AliPHOSv0::Reconstruction(AliPHOSReconstructioner * Reconstructioner) |
d15a28e7 | 1230 | { |
b2a60966 | 1231 | // 1. Reinitializes the existing RecPoint, TrackSegment, and RecParticles Lists and |
1232 | // 2. Creates a branch in TreeR for each list | |
1233 | // 3. Steers the reconstruction processes | |
1234 | // 4. Saves the 3 lists in TreeR | |
1235 | // 5. Write the Tree to File | |
1236 | ||
6ad0bfa0 | 1237 | fReconstructioner = Reconstructioner ; |
b2a60966 | 1238 | |
1239 | char branchname[10] ; | |
6ad0bfa0 | 1240 | |
b2a60966 | 1241 | // 1. |
1242 | ||
9f616d61 | 1243 | if (fEmcClusters) { |
1244 | fEmcClusters->Delete() ; | |
1245 | delete fEmcClusters ; | |
1246 | fEmcClusters = 0 ; | |
9f616d61 | 1247 | } |
1248 | fEmcClusters= new RecPointsList("AliPHOSEmcRecPoint", 100) ; | |
b2a60966 | 1249 | if ( fEmcClusters && gAlice->TreeR() ) { |
1250 | sprintf(branchname,"%sERP",GetName()) ; | |
1251 | gAlice->TreeR()->Branch(branchname, &fEmcClusters, fBufferSize); | |
1252 | } | |
1253 | ||
9f616d61 | 1254 | if (fPpsdClusters) { |
1255 | fPpsdClusters->Delete() ; | |
1256 | delete fPpsdClusters ; | |
1257 | fPpsdClusters = 0 ; | |
1258 | } | |
1259 | fPpsdClusters = new RecPointsList("AliPHOSPpsdRecPoint", 100) ; | |
b2a60966 | 1260 | if ( fPpsdClusters && gAlice->TreeR() ) { |
1261 | sprintf(branchname,"%sPRP",GetName()) ; | |
1262 | gAlice->TreeR()->Branch(branchname, &fPpsdClusters, fBufferSize); | |
1263 | } | |
9f616d61 | 1264 | |
b2a60966 | 1265 | if (fTrackSegments) { |
9f616d61 | 1266 | fTrackSegments->Delete() ; |
1267 | delete fTrackSegments ; | |
1268 | fTrackSegments = 0 ; | |
1269 | } | |
b2a60966 | 1270 | fTrackSegments = new TrackSegmentsList("AliPHOSTrackSegment", 100) ; |
1271 | if ( fTrackSegments && gAlice->TreeR() ) { | |
1272 | sprintf(branchname,"%sTS",GetName()) ; | |
1273 | gAlice->TreeR()->Branch(branchname, &fTrackSegments, fBufferSize); | |
1274 | } | |
1275 | ||
6ad0bfa0 | 1276 | if (fRecParticles) { |
1277 | fRecParticles->Delete() ; | |
1278 | delete fRecParticles ; | |
1279 | fRecParticles = 0 ; | |
1280 | } | |
1281 | fRecParticles = new RecParticlesList("AliPHOSRecParticle", 100) ; | |
b2a60966 | 1282 | if ( fRecParticles && gAlice->TreeR() ) { |
1283 | sprintf(branchname,"%sRP",GetName()) ; | |
1284 | gAlice->TreeR()->Branch(branchname, &fRecParticles, fBufferSize); | |
1285 | } | |
1286 | ||
1287 | // 3. | |
6ad0bfa0 | 1288 | |
1289 | fReconstructioner->Make(fDigits, fEmcClusters, fPpsdClusters, fTrackSegments, fRecParticles); | |
9f616d61 | 1290 | |
b2a60966 | 1291 | // 4. |
1292 | ||
1293 | gAlice->TreeR()->Fill() ; | |
1294 | ||
1295 | // 5. | |
1296 | ||
1297 | gAlice->TreeR()->Write() ; | |
1298 | ||
d15a28e7 | 1299 | } |
1300 | ||
1301 | //____________________________________________________________________________ | |
1302 | void AliPHOSv0::StepManager(void) | |
1303 | { | |
b2a60966 | 1304 | // Accumulates hits as long as the track stays in a single crystal or PPSD gas Cell |
1305 | ||
92862013 | 1306 | Int_t relid[4] ; // (box, layer, row, column) indices |
d15a28e7 | 1307 | Float_t xyze[4] ; // position wrt MRS and energy deposited |
1308 | TLorentzVector pos ; | |
ff4c968a | 1309 | Int_t copy ; |
d15a28e7 | 1310 | |
ff4c968a | 1311 | Int_t primary = gAlice->GetPrimary( gAlice->CurrentTrack() ); |
d15a28e7 | 1312 | TString name = fGeom->GetName() ; |
d15a28e7 | 1313 | if ( name == "GPS2" ) { // the CPV is a PPSD |
b2a60966 | 1314 | if( gMC->CurrentVolID(copy) == gMC->VolId("GCEL") ) // We are inside a gas cell |
d15a28e7 | 1315 | { |
1316 | gMC->TrackPosition(pos) ; | |
1317 | xyze[0] = pos[0] ; | |
1318 | xyze[1] = pos[1] ; | |
1319 | xyze[2] = pos[2] ; | |
1320 | xyze[3] = gMC->Edep() ; | |
1321 | ||
1322 | if ( xyze[3] != 0 ) { // there is deposited energy | |
92862013 | 1323 | gMC->CurrentVolOffID(5, relid[0]) ; // get the PHOS Module number |
1324 | gMC->CurrentVolOffID(3, relid[1]) ; // get the Micromegas Module number | |
d15a28e7 | 1325 | // 1-> Geom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() upper |
1326 | // > fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() lower | |
92862013 | 1327 | gMC->CurrentVolOffID(1, relid[2]) ; // get the row number of the cell |
1328 | gMC->CurrentVolID(relid[3]) ; // get the column number | |
d15a28e7 | 1329 | |
1330 | // get the absolute Id number | |
1331 | ||
92862013 | 1332 | Int_t absid ; |
ff4c968a | 1333 | fGeom->RelToAbsNumbering(relid, absid) ; |
d15a28e7 | 1334 | |
1335 | // add current hit to the hit list | |
ff4c968a | 1336 | AddHit(primary, absid, xyze); |
d15a28e7 | 1337 | |
1338 | } // there is deposited energy | |
1339 | } // We are inside the gas of the CPV | |
1340 | } // GPS2 configuration | |
1341 | ||
ff4c968a | 1342 | if(gMC->CurrentVolID(copy) == gMC->VolId("PXTL") ) // We are inside a PBWO crystal |
d15a28e7 | 1343 | { |
1344 | gMC->TrackPosition(pos) ; | |
1345 | xyze[0] = pos[0] ; | |
1346 | xyze[1] = pos[1] ; | |
1347 | xyze[2] = pos[2] ; | |
1348 | xyze[3] = gMC->Edep() ; | |
1349 | ||
1350 | if ( xyze[3] != 0 ) { | |
92862013 | 1351 | gMC->CurrentVolOffID(10, relid[0]) ; // get the PHOS module number ; |
ff4c968a | 1352 | relid[1] = 0 ; // means PBW04 |
92862013 | 1353 | gMC->CurrentVolOffID(4, relid[2]) ; // get the row number inside the module |
1354 | gMC->CurrentVolOffID(3, relid[3]) ; // get the cell number inside the module | |
d15a28e7 | 1355 | |
1356 | // get the absolute Id number | |
1357 | ||
92862013 | 1358 | Int_t absid ; |
1359 | fGeom->RelToAbsNumbering(relid, absid) ; | |
d15a28e7 | 1360 | |
1361 | // add current hit to the hit list | |
1362 | ||
ff4c968a | 1363 | AddHit(primary, absid, xyze); |
d15a28e7 | 1364 | |
1365 | } // there is deposited energy | |
1366 | } // we are inside a PHOS Xtal | |
1367 | } | |
1368 |