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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 | ||
16 | /* $Id$ */ | |
17 | ||
18 | //_________________________________________________________________________ | |
19 | // Implementation version v0 of PHOS Manager class | |
20 | // Layout EMC + PPSD has name GPS2 | |
21 | // Layout EMC + CPV has name IHEP | |
22 | // An object of this class does not produce hits nor digits | |
23 | // It is the one to use if you do not want to produce outputs in TREEH or TREED | |
24 | // | |
25 | //*-- Author: Yves Schutz (SUBATECH) | |
26 | ||
27 | ||
28 | // --- ROOT system --- | |
29 | ||
30 | #include "TBRIK.h" | |
31 | #include "TNode.h" | |
32 | #include "TRandom.h" | |
33 | #include "TGeometry.h" | |
34 | ||
35 | ||
36 | // --- Standard library --- | |
37 | ||
38 | #include <stdio.h> | |
39 | #include <string.h> | |
40 | #include <stdlib.h> | |
41 | #include <strstream.h> | |
42 | ||
43 | // --- AliRoot header files --- | |
44 | ||
45 | #include "AliPHOSv0.h" | |
46 | #include "AliRun.h" | |
47 | #include "AliConst.h" | |
48 | #include "AliMC.h" | |
49 | ||
50 | ClassImp(AliPHOSv0) | |
51 | ||
52 | //____________________________________________________________________________ | |
53 | AliPHOSv0::AliPHOSv0(const char *name, const char *title): | |
54 | AliPHOS(name,title) | |
55 | { | |
56 | // ctor : title is used to identify the layout | |
57 | // GPS2 = 5 modules (EMC + PPSD) | |
58 | // IHEP = 5 modules (EMC + CPV) | |
59 | // MIXT = 4 modules (EMC + CPV) and 1 module (EMC + PPSD) | |
60 | ||
61 | // gets an instance of the geometry parameters class | |
62 | ||
63 | if (strcmp(GetTitle(),"") != 0 ) | |
64 | fGeom = AliPHOSGeometry::GetInstance(GetTitle(), "") ; | |
65 | ||
66 | } | |
67 | ||
68 | //____________________________________________________________________________ | |
69 | void AliPHOSv0::BuildGeometry() | |
70 | { | |
71 | // Build the PHOS geometry for the ROOT display | |
72 | //BEGIN_HTML | |
73 | /* | |
74 | <H2> | |
75 | PHOS in ALICE displayed by root | |
76 | </H2> | |
77 | <UL> | |
78 | <LI> All Views | |
79 | <P> | |
80 | <CENTER> | |
81 | <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif"> | |
82 | </CENTER></P></LI> | |
83 | <LI> Front View | |
84 | <P> | |
85 | <CENTER> | |
86 | <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif"> | |
87 | </CENTER></P></LI> | |
88 | <LI> 3D View 1 | |
89 | <P> | |
90 | <CENTER> | |
91 | <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif"> | |
92 | </CENTER></P></LI> | |
93 | <LI> 3D View 2 | |
94 | <P> | |
95 | <CENTER> | |
96 | <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif"> | |
97 | </CENTER></P></LI> | |
98 | </UL> | |
99 | */ | |
100 | //END_HTML | |
101 | ||
102 | this->BuildGeometryforPHOS() ; | |
103 | if (strcmp(fGeom->GetName(),"GPS2") == 0) | |
104 | this->BuildGeometryforPPSD() ; | |
105 | else if (strcmp(fGeom->GetName(),"IHEP") == 0) | |
106 | this->BuildGeometryforCPV() ; | |
107 | else if (strcmp(fGeom->GetName(),"MIXT") == 0) { | |
108 | this->BuildGeometryforPPSD() ; | |
109 | this->BuildGeometryforCPV() ; | |
110 | } | |
111 | else | |
112 | cout << "AliPHOSv0::BuildGeometry : no charged particle identification system installed: " | |
113 | << "Geometry name = " << fGeom->GetName() << endl; | |
114 | ||
115 | } | |
116 | ||
117 | //____________________________________________________________________________ | |
118 | void AliPHOSv0:: BuildGeometryforPHOS(void) | |
119 | { | |
120 | // Build the PHOS-EMC geometry for the ROOT display | |
121 | ||
122 | const Int_t kColorPHOS = kRed ; | |
123 | const Int_t kColorXTAL = kBlue ; | |
124 | ||
125 | Double_t const kRADDEG = 180.0 / kPI ; | |
126 | ||
127 | new TBRIK( "OuterBox", "PHOS box", "void", fGeom->GetOuterBoxSize(0)/2, | |
128 | fGeom->GetOuterBoxSize(1)/2, | |
129 | fGeom->GetOuterBoxSize(2)/2 ); | |
130 | ||
131 | // Textolit Wall box, position inside PHOS | |
132 | ||
133 | new TBRIK( "TextolitBox", "PHOS Textolit box ", "void", fGeom->GetTextolitBoxSize(0)/2, | |
134 | fGeom->GetTextolitBoxSize(1)/2, | |
135 | fGeom->GetTextolitBoxSize(2)/2); | |
136 | ||
137 | // Polystyrene Foam Plate | |
138 | ||
139 | new TBRIK( "UpperFoamPlate", "PHOS Upper foam plate", "void", fGeom->GetTextolitBoxSize(0)/2, | |
140 | fGeom->GetSecondUpperPlateThickness()/2, | |
141 | fGeom->GetTextolitBoxSize(2)/2 ) ; | |
142 | ||
143 | // Air Filled Box | |
144 | ||
145 | new TBRIK( "AirFilledBox", "PHOS air filled box", "void", fGeom->GetAirFilledBoxSize(0)/2, | |
146 | fGeom->GetAirFilledBoxSize(1)/2, | |
147 | fGeom->GetAirFilledBoxSize(2)/2 ); | |
148 | ||
149 | // Crystals Box | |
150 | ||
151 | Float_t xtlX = fGeom->GetCrystalSize(0) ; | |
152 | Float_t xtlY = fGeom->GetCrystalSize(1) ; | |
153 | Float_t xtlZ = fGeom->GetCrystalSize(2) ; | |
154 | ||
155 | Float_t xl = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ; | |
156 | Float_t yl = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 | |
157 | + fGeom->GetModuleBoxThickness() / 2.0 ; | |
158 | Float_t zl = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ; | |
159 | ||
160 | new TBRIK( "CrystalsBox", "PHOS crystals box", "void", xl, yl, zl ) ; | |
161 | ||
162 | // position PHOS into ALICE | |
163 | ||
164 | Float_t r = fGeom->GetIPtoOuterCoverDistance() + fGeom->GetOuterBoxSize(1) / 2.0 ; | |
165 | Int_t number = 988 ; | |
166 | Float_t pphi = TMath::ATan( fGeom->GetOuterBoxSize(0) / ( 2.0 * fGeom->GetIPtoOuterCoverDistance() ) ) ; | |
167 | pphi *= kRADDEG ; | |
168 | TNode * top = gAlice->GetGeometry()->GetNode("alice") ; | |
169 | ||
170 | char * nodename = new char[20] ; | |
171 | char * rotname = new char[20] ; | |
172 | ||
173 | for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) { | |
174 | Float_t angle = pphi * 2 * ( i - fGeom->GetNModules() / 2.0 - 0.5 ) ; | |
175 | sprintf(rotname, "%s%d", "rot", number++) ; | |
176 | new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0); | |
177 | top->cd(); | |
178 | sprintf(nodename,"%s%d", "Module", i) ; | |
179 | Float_t x = r * TMath::Sin( angle / kRADDEG ) ; | |
180 | Float_t y = -r * TMath::Cos( angle / kRADDEG ) ; | |
181 | TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ; | |
182 | outerboxnode->SetLineColor(kColorPHOS) ; | |
183 | fNodes->Add(outerboxnode) ; | |
184 | outerboxnode->cd() ; | |
185 | // now inside the outer box the textolit box | |
186 | y = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ; | |
187 | sprintf(nodename,"%s%d", "TexBox", i) ; | |
188 | TNode * textolitboxnode = new TNode(nodename, nodename, "TextolitBox", 0, y, 0) ; | |
189 | textolitboxnode->SetLineColor(kColorPHOS) ; | |
190 | fNodes->Add(textolitboxnode) ; | |
191 | // upper foam plate inside outre box | |
192 | outerboxnode->cd() ; | |
193 | sprintf(nodename, "%s%d", "UFPlate", i) ; | |
194 | y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ; | |
195 | TNode * upperfoamplatenode = new TNode(nodename, nodename, "UpperFoamPlate", 0, y, 0) ; | |
196 | upperfoamplatenode->SetLineColor(kColorPHOS) ; | |
197 | fNodes->Add(upperfoamplatenode) ; | |
198 | // air filled box inside textolit box (not drawn) | |
199 | textolitboxnode->cd(); | |
200 | y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ; | |
201 | sprintf(nodename, "%s%d", "AFBox", i) ; | |
202 | TNode * airfilledboxnode = new TNode(nodename, nodename, "AirFilledBox", 0, y, 0) ; | |
203 | fNodes->Add(airfilledboxnode) ; | |
204 | // crystals box inside air filled box | |
205 | airfilledboxnode->cd() ; | |
206 | y = fGeom->GetAirFilledBoxSize(1) / 2.0 - yl | |
207 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness() | |
208 | - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ; | |
209 | sprintf(nodename, "%s%d", "XTBox", i) ; | |
210 | TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, y, 0) ; | |
211 | crystalsboxnode->SetLineColor(kColorXTAL) ; | |
212 | fNodes->Add(crystalsboxnode) ; | |
213 | } | |
214 | ||
215 | delete[] rotname ; | |
216 | delete[] nodename ; | |
217 | } | |
218 | ||
219 | //____________________________________________________________________________ | |
220 | void AliPHOSv0:: BuildGeometryforPPSD(void) | |
221 | { | |
222 | // Build the PHOS-PPSD geometry for the ROOT display | |
223 | //BEGIN_HTML | |
224 | /* | |
225 | <H2> | |
226 | PPSD displayed by root | |
227 | </H2> | |
228 | <UL> | |
229 | <LI> Zoom on PPSD: Front View | |
230 | <P> | |
231 | <CENTER> | |
232 | <IMG Align=BOTTOM ALT="PPSD Front View" SRC="../images/AliPHOSv0PPSDFrontView.gif"> | |
233 | </CENTER></P></LI> | |
234 | <LI> Zoom on PPSD: Perspective View | |
235 | <P> | |
236 | <CENTER> | |
237 | <IMG Align=BOTTOM ALT="PPSD Prespective View" SRC="../images/AliPHOSv0PPSDPerspectiveView.gif"> | |
238 | </CENTER></P></LI> | |
239 | </UL> | |
240 | */ | |
241 | //END_HTML | |
242 | Double_t const kRADDEG = 180.0 / kPI ; | |
243 | ||
244 | const Int_t kColorPHOS = kRed ; | |
245 | const Int_t kColorPPSD = kGreen ; | |
246 | const Int_t kColorGas = kBlue ; | |
247 | const Int_t kColorAir = kYellow ; | |
248 | ||
249 | // Box for a full PHOS module | |
250 | ||
251 | new TBRIK( "PPSDBox", "PPSD box", "void", fGeom->GetCPVBoxSize(0)/2, | |
252 | fGeom->GetCPVBoxSize(1)/2, | |
253 | fGeom->GetCPVBoxSize(2)/2 ); | |
254 | ||
255 | // Box containing one micromegas module | |
256 | ||
257 | new TBRIK( "PPSDModule", "PPSD module", "void", fGeom->GetPPSDModuleSize(0)/2, | |
258 | fGeom->GetPPSDModuleSize(1)/2, | |
259 | fGeom->GetPPSDModuleSize(2)/2 ); | |
260 | // top lid | |
261 | ||
262 | new TBRIK ( "TopLid", "Micromegas top lid", "void", fGeom->GetPPSDModuleSize(0)/2, | |
263 | fGeom->GetLidThickness()/2, | |
264 | fGeom->GetPPSDModuleSize(2)/2 ) ; | |
265 | // composite panel (top and bottom) | |
266 | ||
267 | new TBRIK ( "TopPanel", "Composite top panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
268 | fGeom->GetCompositeThickness()/2, | |
269 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
270 | ||
271 | new TBRIK ( "BottomPanel", "Composite bottom panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
272 | fGeom->GetCompositeThickness()/2, | |
273 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
274 | // gas gap (conversion and avalanche) | |
275 | ||
276 | new TBRIK ( "GasGap", "gas gap", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
277 | ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() )/2, | |
278 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
279 | ||
280 | // anode and cathode | |
281 | ||
282 | new TBRIK ( "Anode", "Anode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
283 | fGeom->GetAnodeThickness()/2, | |
284 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
285 | ||
286 | new TBRIK ( "Cathode", "Cathode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
287 | fGeom->GetCathodeThickness()/2, | |
288 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
289 | // PC | |
290 | ||
291 | new TBRIK ( "PCBoard", "Printed Circuit", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2, | |
292 | fGeom->GetPCThickness()/2, | |
293 | ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ; | |
294 | // Gap between Lead and top micromegas | |
295 | ||
296 | new TBRIK ( "LeadToM", "Air Gap top", "void", fGeom->GetCPVBoxSize(0)/2, | |
297 | fGeom->GetMicro1ToLeadGap()/2, | |
298 | fGeom->GetCPVBoxSize(2)/2 ) ; | |
299 | ||
300 | // Gap between Lead and bottom micromegas | |
301 | ||
302 | new TBRIK ( "MToLead", "Air Gap bottom", "void", fGeom->GetCPVBoxSize(0)/2, | |
303 | fGeom->GetLeadToMicro2Gap()/2, | |
304 | fGeom->GetCPVBoxSize(2)/2 ) ; | |
305 | // Lead converter | |
306 | ||
307 | new TBRIK ( "Lead", "Lead converter", "void", fGeom->GetCPVBoxSize(0)/2, | |
308 | fGeom->GetLeadConverterThickness()/2, | |
309 | fGeom->GetCPVBoxSize(2)/2 ) ; | |
310 | ||
311 | // position PPSD into ALICE | |
312 | ||
313 | char * nodename = new char[20] ; | |
314 | char * rotname = new char[20] ; | |
315 | ||
316 | Float_t r = fGeom->GetIPtoTopLidDistance() + fGeom->GetCPVBoxSize(1) / 2.0 ; | |
317 | Int_t number = 988 ; | |
318 | TNode * top = gAlice->GetGeometry()->GetNode("alice") ; | |
319 | ||
320 | Int_t firstModule = 0 ; | |
321 | if (strcmp(fGeom->GetName(),"GPS2") == 0) | |
322 | firstModule = 1; | |
323 | else if (strcmp(fGeom->GetName(),"MIXT") == 0) | |
324 | firstModule = fGeom->GetNModules() - fGeom->GetNPPSDModules() + 1; | |
325 | ||
326 | for( Int_t i = firstModule; i <= fGeom->GetNModules(); i++ ) { // the number of PHOS modules | |
327 | Float_t angle = fGeom->GetPHOSAngle(i) ; | |
328 | sprintf(rotname, "%s%d", "rotg", number+i) ; | |
329 | new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0); | |
330 | top->cd(); | |
331 | sprintf(nodename, "%s%d", "Moduleg", i) ; | |
332 | Float_t x = r * TMath::Sin( angle / kRADDEG ) ; | |
333 | Float_t y = -r * TMath::Cos( angle / kRADDEG ) ; | |
334 | TNode * ppsdboxnode = new TNode(nodename , nodename ,"PPSDBox", x, y, 0, rotname ) ; | |
335 | ppsdboxnode->SetLineColor(kColorPPSD) ; | |
336 | fNodes->Add(ppsdboxnode) ; | |
337 | ppsdboxnode->cd() ; | |
338 | // inside the PPSD box: | |
339 | // 1. fNumberOfModulesPhi x fNumberOfModulesZ top micromegas | |
340 | x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ; | |
341 | { | |
342 | for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module | |
343 | Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ; | |
344 | TNode * micro1node ; | |
345 | for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module | |
346 | y = ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ; | |
347 | sprintf(nodename, "%s%d%d%d", "Mic1", i, iphi, iz) ; | |
348 | micro1node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ; | |
349 | micro1node->SetLineColor(kColorPPSD) ; | |
350 | fNodes->Add(micro1node) ; | |
351 | // inside top micromegas | |
352 | micro1node->cd() ; | |
353 | // a. top lid | |
354 | y = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ; | |
355 | sprintf(nodename, "%s%d%d%d", "Lid", i, iphi, iz) ; | |
356 | TNode * toplidnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ; | |
357 | toplidnode->SetLineColor(kColorPPSD) ; | |
358 | fNodes->Add(toplidnode) ; | |
359 | // b. composite panel | |
360 | y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; | |
361 | sprintf(nodename, "%s%d%d%d", "CompU", i, iphi, iz) ; | |
362 | TNode * compupnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ; | |
363 | compupnode->SetLineColor(kColorPPSD) ; | |
364 | fNodes->Add(compupnode) ; | |
365 | // c. anode | |
366 | y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ; | |
367 | sprintf(nodename, "%s%d%d%d", "Ano", i, iphi, iz) ; | |
368 | TNode * anodenode = new TNode(nodename, nodename, "Anode", 0, y, 0) ; | |
369 | anodenode->SetLineColor(kColorPHOS) ; | |
370 | fNodes->Add(anodenode) ; | |
371 | // d. gas | |
372 | y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ; | |
373 | sprintf(nodename, "%s%d%d%d", "GGap", i, iphi, iz) ; | |
374 | TNode * ggapnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ; | |
375 | ggapnode->SetLineColor(kColorGas) ; | |
376 | fNodes->Add(ggapnode) ; | |
377 | // f. cathode | |
378 | y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ; | |
379 | sprintf(nodename, "%s%d%d%d", "Cathode", i, iphi, iz) ; | |
380 | TNode * cathodenode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ; | |
381 | cathodenode->SetLineColor(kColorPHOS) ; | |
382 | fNodes->Add(cathodenode) ; | |
383 | // g. printed circuit | |
384 | y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ; | |
385 | sprintf(nodename, "%s%d%d%d", "PC", i, iphi, iz) ; | |
386 | TNode * pcnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ; | |
387 | pcnode->SetLineColor(kColorPPSD) ; | |
388 | fNodes->Add(pcnode) ; | |
389 | // h. composite panel | |
390 | y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; | |
391 | sprintf(nodename, "%s%d%d%d", "CompDown", i, iphi, iz) ; | |
392 | TNode * compdownnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ; | |
393 | compdownnode->SetLineColor(kColorPPSD) ; | |
394 | fNodes->Add(compdownnode) ; | |
395 | z = z - fGeom->GetPPSDModuleSize(2) ; | |
396 | ppsdboxnode->cd() ; | |
397 | } // end of Z module loop | |
398 | x = x - fGeom->GetPPSDModuleSize(0) ; | |
399 | ppsdboxnode->cd() ; | |
400 | } // end of phi module loop | |
401 | } | |
402 | // 2. air gap | |
403 | ppsdboxnode->cd() ; | |
404 | y = ( fGeom->GetCPVBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ; | |
405 | sprintf(nodename, "%s%d", "GapUp", i) ; | |
406 | TNode * gapupnode = new TNode(nodename, nodename, "LeadToM", 0, y, 0) ; | |
407 | gapupnode->SetLineColor(kColorAir) ; | |
408 | fNodes->Add(gapupnode) ; | |
409 | // 3. lead converter | |
410 | y = y - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ; | |
411 | sprintf(nodename, "%s%d", "LeadC", i) ; | |
412 | TNode * leadcnode = new TNode(nodename, nodename, "Lead", 0, y, 0) ; | |
413 | leadcnode->SetLineColor(kColorPPSD) ; | |
414 | fNodes->Add(leadcnode) ; | |
415 | // 4. air gap | |
416 | y = y - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ; | |
417 | sprintf(nodename, "%s%d", "GapDown", i) ; | |
418 | TNode * gapdownnode = new TNode(nodename, nodename, "MToLead", 0, y, 0) ; | |
419 | gapdownnode->SetLineColor(kColorAir) ; | |
420 | fNodes->Add(gapdownnode) ; | |
421 | // 5. fNumberOfModulesPhi x fNumberOfModulesZ bottom micromegas | |
422 | x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ; | |
423 | { | |
424 | for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { | |
425 | Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. - fGeom->GetZDisplacement() ;; | |
426 | TNode * micro2node ; | |
427 | for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { | |
428 | y = - ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ; | |
429 | sprintf(nodename, "%s%d%d%d", "Mic2", i, iphi, iz) ; | |
430 | micro2node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ; | |
431 | micro2node->SetLineColor(kColorPPSD) ; | |
432 | fNodes->Add(micro2node) ; | |
433 | // inside bottom micromegas | |
434 | micro2node->cd() ; | |
435 | // a. top lid | |
436 | y = ( fGeom->GetMicromegas2Thickness() - fGeom->GetLidThickness() ) / 2. ; | |
437 | sprintf(nodename, "%s%d", "Lidb", i) ; | |
438 | TNode * toplidbnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ; | |
439 | toplidbnode->SetLineColor(kColorPPSD) ; | |
440 | fNodes->Add(toplidbnode) ; | |
441 | // b. composite panel | |
442 | y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; | |
443 | sprintf(nodename, "%s%d", "CompUb", i) ; | |
444 | TNode * compupbnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ; | |
445 | compupbnode->SetLineColor(kColorPPSD) ; | |
446 | fNodes->Add(compupbnode) ; | |
447 | // c. anode | |
448 | y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ; | |
449 | sprintf(nodename, "%s%d", "Anob", i) ; | |
450 | TNode * anodebnode = new TNode(nodename, nodename, "Anode", 0, y, 0) ; | |
451 | anodebnode->SetLineColor(kColorPPSD) ; | |
452 | fNodes->Add(anodebnode) ; | |
453 | // d. conversion gas | |
454 | y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ; | |
455 | sprintf(nodename, "%s%d", "GGapb", i) ; | |
456 | TNode * ggapbnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ; | |
457 | ggapbnode->SetLineColor(kColorGas) ; | |
458 | fNodes->Add(ggapbnode) ; | |
459 | // f. cathode | |
460 | y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ; | |
461 | sprintf(nodename, "%s%d", "Cathodeb", i) ; | |
462 | TNode * cathodebnode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ; | |
463 | cathodebnode->SetLineColor(kColorPPSD) ; | |
464 | fNodes->Add(cathodebnode) ; | |
465 | // g. printed circuit | |
466 | y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ; | |
467 | sprintf(nodename, "%s%d", "PCb", i) ; | |
468 | TNode * pcbnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ; | |
469 | pcbnode->SetLineColor(kColorPPSD) ; | |
470 | fNodes->Add(pcbnode) ; | |
471 | // h. composite pane | |
472 | y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; | |
473 | sprintf(nodename, "%s%d", "CompDownb", i) ; | |
474 | TNode * compdownbnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ; | |
475 | compdownbnode->SetLineColor(kColorPPSD) ; | |
476 | fNodes->Add(compdownbnode) ; | |
477 | z = z - fGeom->GetPPSDModuleSize(2) ; | |
478 | ppsdboxnode->cd() ; | |
479 | } // end of Z module loop | |
480 | x = x - fGeom->GetPPSDModuleSize(0) ; | |
481 | ppsdboxnode->cd() ; | |
482 | } // end of phi module loop | |
483 | } | |
484 | } // PHOS modules | |
485 | ||
486 | delete[] rotname ; | |
487 | delete[] nodename ; | |
488 | ||
489 | } | |
490 | ||
491 | //____________________________________________________________________________ | |
492 | void AliPHOSv0:: BuildGeometryforCPV(void) | |
493 | { | |
494 | // Build the PHOS-CPV geometry for the ROOT display | |
495 | // Author: Yuri Kharlov 11 September 2000 | |
496 | // | |
497 | //BEGIN_HTML | |
498 | /* | |
499 | <H2> | |
500 | CPV displayed by root | |
501 | </H2> | |
502 | <table width=700> | |
503 | ||
504 | <tr> | |
505 | <td>CPV perspective view</td> | |
506 | <td>CPV front view </td> | |
507 | </tr> | |
508 | ||
509 | <tr> | |
510 | <td> <img height=300 width=290 src="../images/CPVRootPersp.gif"> </td> | |
511 | <td> <img height=300 width=290 src="../images/CPVRootFront.gif"> </td> | |
512 | </tr> | |
513 | ||
514 | </table> | |
515 | ||
516 | */ | |
517 | //END_HTML | |
518 | ||
519 | const Double_t kRADDEG = 180.0 / kPI ; | |
520 | const Int_t kColorCPV = kGreen ; | |
521 | const Int_t kColorFrame = kYellow ; | |
522 | const Int_t kColorGassiplex = kRed; | |
523 | const Int_t kColorPCB = kCyan; | |
524 | ||
525 | // Box for a full PHOS module | |
526 | ||
527 | new TBRIK ("CPVBox", "CPV box", "void", fGeom->GetCPVBoxSize(0)/2, | |
528 | fGeom->GetCPVBoxSize(1)/2, | |
529 | fGeom->GetCPVBoxSize(2)/2 ); | |
530 | new TBRIK ("CPVFrameLR", "CPV frame Left-Right", "void", fGeom->GetCPVFrameSize(0)/2, | |
531 | fGeom->GetCPVFrameSize(1)/2, | |
532 | fGeom->GetCPVBoxSize(2)/2 ); | |
533 | new TBRIK ("CPVFrameUD", "CPV frame Up-Down", "void", fGeom->GetCPVBoxSize(0)/2 - fGeom->GetCPVFrameSize(0), | |
534 | fGeom->GetCPVFrameSize(1)/2, | |
535 | fGeom->GetCPVFrameSize(2)/2); | |
536 | new TBRIK ("CPVPCB", "CPV PCB", "void", fGeom->GetCPVActiveSize(0)/2, | |
537 | fGeom->GetCPVTextoliteThickness()/2, | |
538 | fGeom->GetCPVActiveSize(1)/2); | |
539 | new TBRIK ("CPVGassiplex", "CPV Gassiplex PCB", "void", fGeom->GetGassiplexChipSize(0)/2, | |
540 | fGeom->GetGassiplexChipSize(1)/2, | |
541 | fGeom->GetGassiplexChipSize(2)/2); | |
542 | ||
543 | // position CPV into ALICE | |
544 | ||
545 | char * nodename = new char[25] ; | |
546 | char * rotname = new char[25] ; | |
547 | ||
548 | Float_t r = fGeom->GetIPtoCPVDistance() + fGeom->GetCPVBoxSize(1) / 2.0 ; | |
549 | Int_t number = 988 ; | |
550 | TNode * top = gAlice->GetGeometry()->GetNode("alice") ; | |
551 | ||
552 | Int_t lastModule = 0 ; | |
553 | if (strcmp(fGeom->GetName(),"IHEP") == 0) | |
554 | lastModule = fGeom->GetNModules(); | |
555 | else if (strcmp(fGeom->GetName(),"MIXT") == 0) | |
556 | lastModule = fGeom->GetNModules() - fGeom->GetNPPSDModules(); | |
557 | ||
558 | for( Int_t i = 1; i <= lastModule; i++ ) { // the number of PHOS modules | |
559 | ||
560 | // One CPV module | |
561 | ||
562 | Float_t angle = fGeom->GetPHOSAngle(i) ; | |
563 | sprintf(rotname, "%s%d", "rotg", number+i) ; | |
564 | new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0); | |
565 | top->cd(); | |
566 | sprintf(nodename, "%s%d", "CPVModule", i) ; | |
567 | Float_t x = r * TMath::Sin( angle / kRADDEG ) ; | |
568 | Float_t y = -r * TMath::Cos( angle / kRADDEG ) ; | |
569 | Float_t z; | |
570 | TNode * cpvBoxNode = new TNode(nodename , nodename ,"CPVBox", x, y, 0, rotname ) ; | |
571 | cpvBoxNode->SetLineColor(kColorCPV) ; | |
572 | fNodes->Add(cpvBoxNode) ; | |
573 | cpvBoxNode->cd() ; | |
574 | ||
575 | // inside each CPV box: | |
576 | ||
577 | // Frame around CPV | |
578 | Int_t j; | |
579 | for (j=0; j<=1; j++) { | |
580 | sprintf(nodename, "CPVModule%d Frame%d", i, j+1) ; | |
581 | x = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(0) - fGeom->GetCPVFrameSize(0)) / 2; | |
582 | TNode * cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameLR", x, 0, 0) ; | |
583 | cpvFrameNode->SetLineColor(kColorFrame) ; | |
584 | fNodes->Add(cpvFrameNode) ; | |
585 | ||
586 | sprintf(nodename, "CPVModule%d Frame%d", i, j+3) ; | |
587 | z = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(2) - fGeom->GetCPVFrameSize(2)) / 2; | |
588 | cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameUD", 0, 0, z) ; | |
589 | cpvFrameNode->SetLineColor(kColorFrame) ; | |
590 | fNodes->Add(cpvFrameNode) ; | |
591 | } | |
592 | ||
593 | // 4 printed circuit boards | |
594 | for (j=0; j<4; j++) { | |
595 | sprintf(nodename, "CPVModule%d PCB%d", i, j+1) ; | |
596 | y = fGeom->GetCPVFrameSize(1) / 2 - fGeom->GetFTPosition(j) + fGeom->GetCPVTextoliteThickness()/2; | |
597 | TNode * cpvPCBNode = new TNode(nodename , nodename ,"CPVPCB", 0, y, 0) ; | |
598 | cpvPCBNode->SetLineColor(kColorPCB) ; | |
599 | fNodes->Add(cpvPCBNode) ; | |
600 | } | |
601 | ||
602 | // Gassiplex chips | |
603 | Float_t xStep = fGeom->GetCPVActiveSize(0) / (fGeom->GetNumberOfCPVChipsPhi() + 1); | |
604 | Float_t zStep = fGeom->GetCPVActiveSize(1) / (fGeom->GetNumberOfCPVChipsZ() + 1); | |
605 | y = fGeom->GetCPVFrameSize(1)/2 - fGeom->GetFTPosition(0) + | |
606 | fGeom->GetCPVTextoliteThickness() / 2 + fGeom->GetGassiplexChipSize(1) / 2 + 0.1; | |
607 | for (Int_t ix=0; ix<fGeom->GetNumberOfCPVChipsPhi(); ix++) { | |
608 | x = xStep * (ix+1) - fGeom->GetCPVActiveSize(0)/2; | |
609 | for (Int_t iz=0; iz<fGeom->GetNumberOfCPVChipsZ(); iz++) { | |
610 | z = zStep * (iz+1) - fGeom->GetCPVActiveSize(1)/2; | |
611 | sprintf(nodename, "CPVModule%d Chip(%dx%d)", i, ix+1,iz+1) ; | |
612 | TNode * cpvGassiplexNode = new TNode(nodename , nodename ,"CPVGassiplex", x, y, z) ; | |
613 | cpvGassiplexNode->SetLineColor(kColorGassiplex) ; | |
614 | fNodes->Add(cpvGassiplexNode) ; | |
615 | } | |
616 | } | |
617 | ||
618 | } // PHOS modules | |
619 | ||
620 | delete[] rotname ; | |
621 | delete[] nodename ; | |
622 | } | |
623 | ||
624 | //____________________________________________________________________________ | |
625 | void AliPHOSv0::CreateGeometry() | |
626 | { | |
627 | // Create the PHOS geometry for Geant | |
628 | ||
629 | AliPHOSv0 *phostmp = (AliPHOSv0*)gAlice->GetModule("PHOS") ; | |
630 | ||
631 | if ( phostmp == NULL ) { | |
632 | ||
633 | fprintf(stderr, "PHOS detector not found!\n") ; | |
634 | return; | |
635 | ||
636 | } | |
637 | // Get pointer to the array containing media indeces | |
638 | Int_t *idtmed = fIdtmed->GetArray() - 699 ; | |
639 | ||
640 | // Create a box a PHOS module. | |
641 | // In case of MIXT geometry 2 different boxes are needed | |
642 | ||
643 | Float_t bigbox[3] ; | |
644 | bigbox[0] = fGeom->GetOuterBoxSize(0) / 2.0 ; | |
645 | bigbox[1] = ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ; | |
646 | bigbox[2] = fGeom->GetOuterBoxSize(2) / 2.0 ; | |
647 | ||
648 | gMC->Gsvolu("PHOS", "BOX ", idtmed[798], bigbox, 3) ; | |
649 | ||
650 | if ( strcmp( fGeom->GetName(),"MIXT") == 0 && fGeom->GetNPPSDModules() > 0) | |
651 | gMC->Gsvolu("PHO1", "BOX ", idtmed[798], bigbox, 3) ; | |
652 | ||
653 | this->CreateGeometryforPHOS() ; | |
654 | if ( strcmp( fGeom->GetName(), "GPS2") == 0 ) | |
655 | this->CreateGeometryforPPSD() ; | |
656 | else if ( strcmp( fGeom->GetName(), "IHEP") == 0 ) | |
657 | this->CreateGeometryforCPV() ; | |
658 | else if ( strcmp( fGeom->GetName(), "MIXT") == 0 ) { | |
659 | this->CreateGeometryforPPSD() ; | |
660 | this->CreateGeometryforCPV() ; | |
661 | } | |
662 | else | |
663 | cout << "AliPHOSv0::CreateGeometry : no charged particle identification system installed" << endl; | |
664 | ||
665 | this->CreateGeometryforSupport() ; | |
666 | ||
667 | // --- Position PHOS mdules in ALICE setup --- | |
668 | ||
669 | Int_t idrotm[99] ; | |
670 | Double_t const kRADDEG = 180.0 / kPI ; | |
671 | ||
672 | Int_t lastModule; | |
673 | if (strcmp(fGeom->GetName(),"MIXT") == 0) | |
674 | lastModule = fGeom->GetNModules() - fGeom->GetNPPSDModules(); | |
675 | else | |
676 | lastModule = fGeom->GetNModules(); | |
677 | ||
678 | Int_t i; | |
679 | for( i = 1; i <= lastModule ; i++ ) { | |
680 | ||
681 | Float_t angle = fGeom->GetPHOSAngle(i) ; | |
682 | AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ; | |
683 | ||
684 | Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ; | |
685 | ||
686 | Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ; | |
687 | Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ; | |
688 | ||
689 | gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ; | |
690 | ||
691 | } // for GetNModules | |
692 | ||
693 | for( i = lastModule+1; i <= fGeom->GetNModules(); i++ ) { | |
694 | ||
695 | Float_t angle = fGeom->GetPHOSAngle(i) ; | |
696 | AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ; | |
697 | ||
698 | Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ; | |
699 | ||
700 | Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ; | |
701 | Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ; | |
702 | ||
703 | gMC->Gspos("PHO1", i-lastModule, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ; | |
704 | ||
705 | } // for GetNModules | |
706 | ||
707 | } | |
708 | ||
709 | //____________________________________________________________________________ | |
710 | void AliPHOSv0::CreateGeometryforPHOS() | |
711 | { | |
712 | // Create the PHOS-EMC geometry for GEANT | |
713 | //BEGIN_HTML | |
714 | /* | |
715 | <H2> | |
716 | Geant3 geometry tree of PHOS-EMC in ALICE | |
717 | </H2> | |
718 | <P><CENTER> | |
719 | <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif"> | |
720 | </CENTER><P> | |
721 | */ | |
722 | //END_HTML | |
723 | ||
724 | // Get pointer to the array containing media indexes | |
725 | Int_t *idtmed = fIdtmed->GetArray() - 699 ; | |
726 | ||
727 | // --- | |
728 | // --- Define PHOS box volume, fPUFPill with thermo insulating foam --- | |
729 | // --- Foam Thermo Insulating outer cover dimensions --- | |
730 | // --- Put it in bigbox = PHOS | |
731 | ||
732 | Float_t dphos[3] ; | |
733 | dphos[0] = fGeom->GetOuterBoxSize(0) / 2.0 ; | |
734 | dphos[1] = fGeom->GetOuterBoxSize(1) / 2.0 ; | |
735 | dphos[2] = fGeom->GetOuterBoxSize(2) / 2.0 ; | |
736 | ||
737 | gMC->Gsvolu("EMCA", "BOX ", idtmed[706], dphos, 3) ; | |
738 | ||
739 | Float_t yO = - fGeom->GetCPVBoxSize(1) / 2.0 ; | |
740 | ||
741 | gMC->Gspos("EMCA", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ; | |
742 | if ( strcmp( fGeom->GetName(),"MIXT") == 0 && fGeom->GetNPPSDModules() > 0) | |
743 | gMC->Gspos("EMCA", 1, "PHO1", 0.0, yO, 0.0, 0, "ONLY") ; | |
744 | ||
745 | // --- | |
746 | // --- Define Textolit Wall box, position inside EMCA --- | |
747 | // --- Textolit Wall box dimentions --- | |
748 | ||
749 | ||
750 | Float_t dptxw[3]; | |
751 | dptxw[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ; | |
752 | dptxw[1] = fGeom->GetTextolitBoxSize(1) / 2.0 ; | |
753 | dptxw[2] = fGeom->GetTextolitBoxSize(2) / 2.0 ; | |
754 | ||
755 | gMC->Gsvolu("PTXW", "BOX ", idtmed[707], dptxw, 3); | |
756 | ||
757 | yO = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ; | |
758 | ||
759 | gMC->Gspos("PTXW", 1, "EMCA", 0.0, yO, 0.0, 0, "ONLY") ; | |
760 | ||
761 | // --- | |
762 | // --- Define Upper Polystyrene Foam Plate, place inside PTXW --- | |
763 | // --- immediately below Foam Thermo Insulation Upper plate --- | |
764 | ||
765 | // --- Upper Polystyrene Foam plate thickness --- | |
766 | ||
767 | Float_t dpufp[3] ; | |
768 | dpufp[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ; | |
769 | dpufp[1] = fGeom->GetSecondUpperPlateThickness() / 2. ; | |
770 | dpufp[2] = fGeom->GetTextolitBoxSize(2) /2.0 ; | |
771 | ||
772 | gMC->Gsvolu("PUFP", "BOX ", idtmed[703], dpufp, 3) ; | |
773 | ||
774 | yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ; | |
775 | ||
776 | gMC->Gspos("PUFP", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ; | |
777 | ||
778 | // --- | |
779 | // --- Define air-filled box, place inside PTXW --- | |
780 | // --- Inner AIR volume dimensions --- | |
781 | ||
782 | ||
783 | Float_t dpair[3] ; | |
784 | dpair[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ; | |
785 | dpair[1] = fGeom->GetAirFilledBoxSize(1) / 2.0 ; | |
786 | dpair[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ; | |
787 | ||
788 | gMC->Gsvolu("PAIR", "BOX ", idtmed[798], dpair, 3) ; | |
789 | ||
790 | yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ; | |
791 | ||
792 | gMC->Gspos("PAIR", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ; | |
793 | ||
794 | // --- Dimensions of PbWO4 crystal --- | |
795 | ||
796 | Float_t xtlX = fGeom->GetCrystalSize(0) ; | |
797 | Float_t xtlY = fGeom->GetCrystalSize(1) ; | |
798 | Float_t xtlZ = fGeom->GetCrystalSize(2) ; | |
799 | ||
800 | Float_t dptcb[3] ; | |
801 | dptcb[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ; | |
802 | dptcb[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 | |
803 | + fGeom->GetModuleBoxThickness() / 2.0 ; | |
804 | dptcb[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ; | |
805 | ||
806 | gMC->Gsvolu("PTCB", "BOX ", idtmed[706], dptcb, 3) ; | |
807 | ||
808 | yO = fGeom->GetAirFilledBoxSize(1) / 2.0 - dptcb[1] | |
809 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness() | |
810 | - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ; | |
811 | ||
812 | gMC->Gspos("PTCB", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; | |
813 | ||
814 | // --- | |
815 | // --- Define Crystal BLock filled with air, position it inside PTCB --- | |
816 | Float_t dpcbl[3] ; | |
817 | ||
818 | dpcbl[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ; | |
819 | dpcbl[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ; | |
820 | dpcbl[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ; | |
821 | ||
822 | gMC->Gsvolu("PCBL", "BOX ", idtmed[798], dpcbl, 3) ; | |
823 | ||
824 | // --- Divide PCBL in X (phi) and Z directions -- | |
825 | gMC->Gsdvn("PROW", "PCBL", Int_t (fGeom->GetNPhi()), 1) ; | |
826 | gMC->Gsdvn("PCEL", "PROW", Int_t (fGeom->GetNZ()), 3) ; | |
827 | ||
828 | yO = -fGeom->GetModuleBoxThickness() / 2.0 ; | |
829 | ||
830 | gMC->Gspos("PCBL", 1, "PTCB", 0.0, yO, 0.0, 0, "ONLY") ; | |
831 | ||
832 | // --- | |
833 | // --- Define STeel (actually, it's titanium) Cover volume, place inside PCEL | |
834 | Float_t dpstc[3] ; | |
835 | ||
836 | dpstc[0] = ( xtlX + 2 * fGeom->GetCrystalWrapThickness() ) / 2.0 ; | |
837 | dpstc[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ; | |
838 | dpstc[2] = ( xtlZ + 2 * fGeom->GetCrystalWrapThickness() + 2 * fGeom->GetCrystalHolderThickness() ) / 2.0 ; | |
839 | ||
840 | gMC->Gsvolu("PSTC", "BOX ", idtmed[704], dpstc, 3) ; | |
841 | ||
842 | gMC->Gspos("PSTC", 1, "PCEL", 0.0, 0.0, 0.0, 0, "ONLY") ; | |
843 | ||
844 | // --- | |
845 | // --- Define Tyvek volume, place inside PSTC --- | |
846 | Float_t dppap[3] ; | |
847 | ||
848 | dppap[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ; | |
849 | dppap[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ; | |
850 | dppap[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ; | |
851 | ||
852 | gMC->Gsvolu("PPAP", "BOX ", idtmed[702], dppap, 3) ; | |
853 | ||
854 | yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 | |
855 | - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ; | |
856 | ||
857 | gMC->Gspos("PPAP", 1, "PSTC", 0.0, yO, 0.0, 0, "ONLY") ; | |
858 | ||
859 | // --- | |
860 | // --- Define PbWO4 crystal volume, place inside PPAP --- | |
861 | Float_t dpxtl[3] ; | |
862 | ||
863 | dpxtl[0] = xtlX / 2.0 ; | |
864 | dpxtl[1] = xtlY / 2.0 ; | |
865 | dpxtl[2] = xtlZ / 2.0 ; | |
866 | ||
867 | gMC->Gsvolu("PXTL", "BOX ", idtmed[699], dpxtl, 3) ; | |
868 | ||
869 | yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 - xtlY / 2.0 - fGeom->GetCrystalWrapThickness() ; | |
870 | ||
871 | gMC->Gspos("PXTL", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ; | |
872 | ||
873 | // --- | |
874 | // --- Define crystal support volume, place inside PPAP --- | |
875 | Float_t dpsup[3] ; | |
876 | ||
877 | dpsup[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ; | |
878 | dpsup[1] = fGeom->GetCrystalSupportHeight() / 2.0 ; | |
879 | dpsup[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ; | |
880 | ||
881 | gMC->Gsvolu("PSUP", "BOX ", idtmed[798], dpsup, 3) ; | |
882 | ||
883 | yO = fGeom->GetCrystalSupportHeight() / 2.0 - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ; | |
884 | ||
885 | gMC->Gspos("PSUP", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ; | |
886 | ||
887 | // --- | |
888 | // --- Define PIN-diode volume and position it inside crystal support --- | |
889 | // --- right behind PbWO4 crystal | |
890 | ||
891 | // --- PIN-diode dimensions --- | |
892 | ||
893 | ||
894 | Float_t dppin[3] ; | |
895 | dppin[0] = fGeom->GetPinDiodeSize(0) / 2.0 ; | |
896 | dppin[1] = fGeom->GetPinDiodeSize(1) / 2.0 ; | |
897 | dppin[2] = fGeom->GetPinDiodeSize(2) / 2.0 ; | |
898 | ||
899 | gMC->Gsvolu("PPIN", "BOX ", idtmed[705], dppin, 3) ; | |
900 | ||
901 | yO = fGeom->GetCrystalSupportHeight() / 2.0 - fGeom->GetPinDiodeSize(1) / 2.0 ; | |
902 | ||
903 | gMC->Gspos("PPIN", 1, "PSUP", 0.0, yO, 0.0, 0, "ONLY") ; | |
904 | ||
905 | // --- | |
906 | // --- Define Upper Cooling Panel, place it on top of PTCB --- | |
907 | Float_t dpucp[3] ; | |
908 | // --- Upper Cooling Plate thickness --- | |
909 | ||
910 | dpucp[0] = dptcb[0] ; | |
911 | dpucp[1] = fGeom->GetUpperCoolingPlateThickness() ; | |
912 | dpucp[2] = dptcb[2] ; | |
913 | ||
914 | gMC->Gsvolu("PUCP", "BOX ", idtmed[701], dpucp,3) ; | |
915 | ||
916 | yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetUpperCoolingPlateThickness() ) / 2. | |
917 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness() | |
918 | - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() - fGeom->GetUpperCoolingPlateThickness() ) ; | |
919 | ||
920 | gMC->Gspos("PUCP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; | |
921 | ||
922 | // --- | |
923 | // --- Define Al Support Plate, position it inside PAIR --- | |
924 | // --- right beneath PTCB --- | |
925 | // --- Al Support Plate thickness --- | |
926 | ||
927 | Float_t dpasp[3] ; | |
928 | dpasp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ; | |
929 | dpasp[1] = fGeom->GetSupportPlateThickness() / 2.0 ; | |
930 | dpasp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ; | |
931 | ||
932 | gMC->Gsvolu("PASP", "BOX ", idtmed[701], dpasp, 3) ; | |
933 | ||
934 | yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetSupportPlateThickness() ) / 2. | |
935 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() | |
936 | - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 ) ; | |
937 | ||
938 | gMC->Gspos("PASP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; | |
939 | ||
940 | // --- | |
941 | // --- Define Thermo Insulating Plate, position it inside PAIR --- | |
942 | // --- right beneath PASP --- | |
943 | // --- Lower Thermo Insulating Plate thickness --- | |
944 | ||
945 | Float_t dptip[3] ; | |
946 | dptip[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ; | |
947 | dptip[1] = fGeom->GetLowerThermoPlateThickness() / 2.0 ; | |
948 | dptip[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ; | |
949 | ||
950 | gMC->Gsvolu("PTIP", "BOX ", idtmed[706], dptip, 3) ; | |
951 | ||
952 | yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerThermoPlateThickness() ) / 2. | |
953 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness() | |
954 | - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness() ) ; | |
955 | ||
956 | gMC->Gspos("PTIP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; | |
957 | ||
958 | // --- | |
959 | // --- Define Textolit Plate, position it inside PAIR --- | |
960 | // --- right beneath PTIP --- | |
961 | // --- Lower Textolit Plate thickness --- | |
962 | ||
963 | Float_t dptxp[3] ; | |
964 | dptxp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ; | |
965 | dptxp[1] = fGeom->GetLowerTextolitPlateThickness() / 2.0 ; | |
966 | dptxp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ; | |
967 | ||
968 | gMC->Gsvolu("PTXP", "BOX ", idtmed[707], dptxp, 3) ; | |
969 | ||
970 | yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerTextolitPlateThickness() ) / 2. | |
971 | - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness() | |
972 | - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness() | |
973 | + fGeom->GetLowerThermoPlateThickness() ) ; | |
974 | ||
975 | gMC->Gspos("PTXP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ; | |
976 | ||
977 | } | |
978 | ||
979 | //____________________________________________________________________________ | |
980 | void AliPHOSv0::CreateGeometryforPPSD() | |
981 | { | |
982 | // Create the PHOS-PPSD geometry for GEANT | |
983 | //BEGIN_HTML | |
984 | /* | |
985 | <H2> | |
986 | Geant3 geometry tree of PHOS-PPSD in ALICE | |
987 | </H2> | |
988 | <P><CENTER> | |
989 | <IMG Align=BOTTOM ALT="PPSD geant tree" SRC="../images/PPSDinAlice.gif"> | |
990 | </CENTER><P> | |
991 | */ | |
992 | //END_HTML | |
993 | ||
994 | // Get pointer to the array containing media indexes | |
995 | Int_t *idtmed = fIdtmed->GetArray() - 699 ; | |
996 | ||
997 | // The box containing all ppsd's for one PHOS module filled with air | |
998 | Float_t ppsd[3] ; | |
999 | ppsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ; | |
1000 | ppsd[1] = fGeom->GetCPVBoxSize(1) / 2.0 ; | |
1001 | ppsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ; | |
1002 | ||
1003 | gMC->Gsvolu("PPSD", "BOX ", idtmed[798], ppsd, 3) ; | |
1004 | ||
1005 | Float_t yO = fGeom->GetOuterBoxSize(1) / 2.0 ; | |
1006 | ||
1007 | if ( strcmp( fGeom->GetName(),"MIXT") == 0 && fGeom->GetNPPSDModules() > 0) | |
1008 | gMC->Gspos("PPSD", 1, "PHO1", 0.0, yO, 0.0, 0, "ONLY") ; | |
1009 | else | |
1010 | gMC->Gspos("PPSD", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ; | |
1011 | ||
1012 | // Now we build a micromegas module | |
1013 | // The box containing the whole module filled with epoxy (FR4) | |
1014 | ||
1015 | Float_t mppsd[3] ; | |
1016 | mppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ; | |
1017 | mppsd[1] = fGeom->GetPPSDModuleSize(1) / 2.0 ; | |
1018 | mppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ; | |
1019 | ||
1020 | gMC->Gsvolu("MPPS", "BOX ", idtmed[708], mppsd, 3) ; | |
1021 | ||
1022 | // Inside mppsd : | |
1023 | // 1. The Top Lid made of epoxy (FR4) | |
1024 | ||
1025 | Float_t tlppsd[3] ; | |
1026 | tlppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ; | |
1027 | tlppsd[1] = fGeom->GetLidThickness() / 2.0 ; | |
1028 | tlppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ; | |
1029 | ||
1030 | gMC->Gsvolu("TLPS", "BOX ", idtmed[708], tlppsd, 3) ; | |
1031 | ||
1032 | Float_t y0 = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ; | |
1033 | ||
1034 | gMC->Gspos("TLPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; | |
1035 | ||
1036 | // 2. the upper panel made of composite material | |
1037 | ||
1038 | Float_t upppsd[3] ; | |
1039 | upppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1040 | upppsd[1] = fGeom->GetCompositeThickness() / 2.0 ; | |
1041 | upppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1042 | ||
1043 | gMC->Gsvolu("UPPS", "BOX ", idtmed[709], upppsd, 3) ; | |
1044 | ||
1045 | y0 = y0 - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; | |
1046 | ||
1047 | gMC->Gspos("UPPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; | |
1048 | ||
1049 | // 3. the anode made of Copper | |
1050 | ||
1051 | Float_t anppsd[3] ; | |
1052 | anppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1053 | anppsd[1] = fGeom->GetAnodeThickness() / 2.0 ; | |
1054 | anppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1055 | ||
1056 | gMC->Gsvolu("ANPS", "BOX ", idtmed[710], anppsd, 3) ; | |
1057 | ||
1058 | y0 = y0 - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ; | |
1059 | ||
1060 | gMC->Gspos("ANPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; | |
1061 | ||
1062 | // 4. the conversion gap + avalanche gap filled with gas | |
1063 | ||
1064 | Float_t ggppsd[3] ; | |
1065 | ggppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1066 | ggppsd[1] = ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2.0 ; | |
1067 | ggppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1068 | ||
1069 | gMC->Gsvolu("GGPS", "BOX ", idtmed[715], ggppsd, 3) ; | |
1070 | ||
1071 | // --- Divide GGPP in X (phi) and Z directions -- | |
1072 | gMC->Gsdvn("GROW", "GGPS", fGeom->GetNumberOfPadsPhi(), 1) ; | |
1073 | gMC->Gsdvn("GCEL", "GROW", fGeom->GetNumberOfPadsZ() , 3) ; | |
1074 | ||
1075 | y0 = y0 - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ; | |
1076 | ||
1077 | gMC->Gspos("GGPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; | |
1078 | ||
1079 | ||
1080 | // 6. the cathode made of Copper | |
1081 | ||
1082 | Float_t cappsd[3] ; | |
1083 | cappsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1084 | cappsd[1] = fGeom->GetCathodeThickness() / 2.0 ; | |
1085 | cappsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1086 | ||
1087 | gMC->Gsvolu("CAPS", "BOX ", idtmed[710], cappsd, 3) ; | |
1088 | ||
1089 | y0 = y0 - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ; | |
1090 | ||
1091 | gMC->Gspos("CAPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; | |
1092 | ||
1093 | // 7. the printed circuit made of G10 | |
1094 | ||
1095 | Float_t pcppsd[3] ; | |
1096 | pcppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2,.0 ; | |
1097 | pcppsd[1] = fGeom->GetPCThickness() / 2.0 ; | |
1098 | pcppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1099 | ||
1100 | gMC->Gsvolu("PCPS", "BOX ", idtmed[711], cappsd, 3) ; | |
1101 | ||
1102 | y0 = y0 - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ; | |
1103 | ||
1104 | gMC->Gspos("PCPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; | |
1105 | ||
1106 | // 8. the lower panel made of composite material | |
1107 | ||
1108 | Float_t lpppsd[3] ; | |
1109 | lpppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1110 | lpppsd[1] = fGeom->GetCompositeThickness() / 2.0 ; | |
1111 | lpppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ; | |
1112 | ||
1113 | gMC->Gsvolu("LPPS", "BOX ", idtmed[709], lpppsd, 3) ; | |
1114 | ||
1115 | y0 = y0 - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ; | |
1116 | ||
1117 | gMC->Gspos("LPPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ; | |
1118 | ||
1119 | // Position the fNumberOfModulesPhi x fNumberOfModulesZ modules (mppsd) inside PPSD to cover a PHOS module | |
1120 | // the top and bottom one's (which are assumed identical) : | |
1121 | ||
1122 | Float_t yt = ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ; | |
1123 | Float_t yb = - ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ; | |
1124 | ||
1125 | Int_t copyNumbertop = 0 ; | |
1126 | Int_t copyNumberbot = fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() ; | |
1127 | ||
1128 | Float_t x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ; | |
1129 | ||
1130 | for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module | |
1131 | Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ; | |
1132 | ||
1133 | for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module | |
1134 | gMC->Gspos("MPPS", ++copyNumbertop, "PPSD", x, yt, z, 0, "ONLY") ; | |
1135 | gMC->Gspos("MPPS", ++copyNumberbot, "PPSD", x, yb, z, 0, "ONLY") ; | |
1136 | z = z - fGeom->GetPPSDModuleSize(2) ; | |
1137 | } // end of Z module loop | |
1138 | x = x - fGeom->GetPPSDModuleSize(0) ; | |
1139 | } // end of phi module loop | |
1140 | ||
1141 | // The Lead converter between two air gaps | |
1142 | // 1. Upper air gap | |
1143 | ||
1144 | Float_t uappsd[3] ; | |
1145 | uappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ; | |
1146 | uappsd[1] = fGeom->GetMicro1ToLeadGap() / 2.0 ; | |
1147 | uappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ; | |
1148 | ||
1149 | gMC->Gsvolu("UAPPSD", "BOX ", idtmed[798], uappsd, 3) ; | |
1150 | ||
1151 | y0 = ( fGeom->GetCPVBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ; | |
1152 | ||
1153 | gMC->Gspos("UAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ; | |
1154 | ||
1155 | // 2. Lead converter | |
1156 | ||
1157 | Float_t lcppsd[3] ; | |
1158 | lcppsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ; | |
1159 | lcppsd[1] = fGeom->GetLeadConverterThickness() / 2.0 ; | |
1160 | lcppsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ; | |
1161 | ||
1162 | gMC->Gsvolu("LCPPSD", "BOX ", idtmed[712], lcppsd, 3) ; | |
1163 | ||
1164 | y0 = y0 - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ; | |
1165 | ||
1166 | gMC->Gspos("LCPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ; | |
1167 | ||
1168 | // 3. Lower air gap | |
1169 | ||
1170 | Float_t lappsd[3] ; | |
1171 | lappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ; | |
1172 | lappsd[1] = fGeom->GetLeadToMicro2Gap() / 2.0 ; | |
1173 | lappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ; | |
1174 | ||
1175 | gMC->Gsvolu("LAPPSD", "BOX ", idtmed[798], lappsd, 3) ; | |
1176 | ||
1177 | y0 = y0 - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ; | |
1178 | ||
1179 | gMC->Gspos("LAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ; | |
1180 | ||
1181 | } | |
1182 | ||
1183 | ||
1184 | //____________________________________________________________________________ | |
1185 | void AliPHOSv0::CreateGeometryforCPV() | |
1186 | { | |
1187 | // Create the PHOS-CPV geometry for GEANT | |
1188 | // Author: Yuri Kharlov 11 September 2000 | |
1189 | //BEGIN_HTML | |
1190 | /* | |
1191 | <H2> | |
1192 | Geant3 geometry of PHOS-CPV in ALICE | |
1193 | </H2> | |
1194 | <table width=700> | |
1195 | ||
1196 | <tr> | |
1197 | <td>CPV perspective view</td> | |
1198 | <td>CPV front view </td> | |
1199 | </tr> | |
1200 | ||
1201 | <tr> | |
1202 | <td> <img height=300 width=290 src="../images/CPVallPersp.gif"> </td> | |
1203 | <td> <img height=300 width=290 src="../images/CPVallFront.gif"> </td> | |
1204 | </tr> | |
1205 | ||
1206 | <tr> | |
1207 | <td>One CPV module, perspective view </td> | |
1208 | <td>One CPV module, front view (extended in vertical direction) </td> | |
1209 | </tr> | |
1210 | ||
1211 | <tr> | |
1212 | <td><img height=300 width=290 src="../images/CPVmodulePers.gif"></td> | |
1213 | <td><img height=300 width=290 src="../images/CPVmoduleSide.gif"></td> | |
1214 | </tr> | |
1215 | ||
1216 | </table> | |
1217 | ||
1218 | <H2> | |
1219 | Geant3 geometry tree of PHOS-CPV in ALICE | |
1220 | </H2> | |
1221 | <center> | |
1222 | <img height=300 width=290 src="../images/CPVtree.gif"> | |
1223 | </center> | |
1224 | */ | |
1225 | //END_HTML | |
1226 | ||
1227 | Float_t par[3], x,y,z; | |
1228 | ||
1229 | // Get pointer to the array containing media indexes | |
1230 | Int_t *idtmed = fIdtmed->GetArray() - 699 ; | |
1231 | ||
1232 | // The box containing all CPV for one PHOS module filled with air | |
1233 | par[0] = fGeom->GetCPVBoxSize(0) / 2.0 ; | |
1234 | par[1] = fGeom->GetCPVBoxSize(1) / 2.0 ; | |
1235 | par[2] = fGeom->GetCPVBoxSize(2) / 2.0 ; | |
1236 | gMC->Gsvolu("CPV ", "BOX ", idtmed[798], par, 3) ; | |
1237 | ||
1238 | y = fGeom->GetOuterBoxSize(1) / 2.0 ; | |
1239 | gMC->Gspos("CPV ", 1, "PHOS", 0.0, y, 0.0, 0, "ONLY") ; | |
1240 | ||
1241 | // Gassiplex board | |
1242 | ||
1243 | par[0] = fGeom->GetGassiplexChipSize(0)/2.; | |
1244 | par[1] = fGeom->GetGassiplexChipSize(1)/2.; | |
1245 | par[2] = fGeom->GetGassiplexChipSize(2)/2.; | |
1246 | gMC->Gsvolu("CPVC","BOX ",idtmed[707],par,3); | |
1247 | ||
1248 | // Cu+Ni foil covers Gassiplex board | |
1249 | ||
1250 | par[1] = fGeom->GetCPVCuNiFoilThickness()/2; | |
1251 | gMC->Gsvolu("CPVD","BOX ",idtmed[710],par,3); | |
1252 | y = -(fGeom->GetGassiplexChipSize(1)/2 - par[1]); | |
1253 | gMC->Gspos("CPVD",1,"CPVC",0,y,0,0,"ONLY"); | |
1254 | ||
1255 | // Position of the chip inside CPV | |
1256 | ||
1257 | Float_t xStep = fGeom->GetCPVActiveSize(0) / (fGeom->GetNumberOfCPVChipsPhi() + 1); | |
1258 | Float_t zStep = fGeom->GetCPVActiveSize(1) / (fGeom->GetNumberOfCPVChipsZ() + 1); | |
1259 | Int_t copy = 0; | |
1260 | y = fGeom->GetCPVFrameSize(1)/2 - fGeom->GetFTPosition(0) + | |
1261 | fGeom->GetCPVTextoliteThickness() / 2 + fGeom->GetGassiplexChipSize(1) / 2 + 0.1; | |
1262 | for (Int_t ix=0; ix<fGeom->GetNumberOfCPVChipsPhi(); ix++) { | |
1263 | x = xStep * (ix+1) - fGeom->GetCPVActiveSize(0)/2; | |
1264 | for (Int_t iz=0; iz<fGeom->GetNumberOfCPVChipsZ(); iz++) { | |
1265 | copy++; | |
1266 | z = zStep * (iz+1) - fGeom->GetCPVActiveSize(1)/2; | |
1267 | gMC->Gspos("CPVC",copy,"CPV",x,y,z,0,"ONLY"); | |
1268 | } | |
1269 | } | |
1270 | ||
1271 | // Foiled textolite (1 mm of textolite + 50 mkm of Cu + 6 mkm of Ni) | |
1272 | ||
1273 | par[0] = fGeom->GetCPVActiveSize(0) / 2; | |
1274 | par[1] = fGeom->GetCPVTextoliteThickness() / 2; | |
1275 | par[2] = fGeom->GetCPVActiveSize(1) / 2; | |
1276 | gMC->Gsvolu("CPVF","BOX ",idtmed[707],par,3); | |
1277 | ||
1278 | // Argon gas volume | |
1279 | ||
1280 | par[1] = (fGeom->GetFTPosition(2) - fGeom->GetFTPosition(1) - fGeom->GetCPVTextoliteThickness()) / 2; | |
1281 | gMC->Gsvolu("CPVG","BOX ",idtmed[715],par,3); | |
1282 | ||
1283 | for (Int_t i=0; i<4; i++) { | |
1284 | y = fGeom->GetCPVFrameSize(1) / 2 - fGeom->GetFTPosition(i) + fGeom->GetCPVTextoliteThickness()/2; | |
1285 | gMC->Gspos("CPVF",i+1,"CPV",0,y,0,0,"ONLY"); | |
1286 | if(i==1){ | |
1287 | y-= (fGeom->GetFTPosition(2) - fGeom->GetFTPosition(1)) / 2; | |
1288 | gMC->Gspos("CPVG",1,"CPV ",0,y,0,0,"ONLY"); | |
1289 | } | |
1290 | } | |
1291 | ||
1292 | // Dummy sensitive plane in the middle of argone gas volume | |
1293 | ||
1294 | par[1]=0.001; | |
1295 | gMC->Gsvolu("CPVQ","BOX ",idtmed[715],par,3); | |
1296 | gMC->Gspos ("CPVQ",1,"CPVG",0,0,0,0,"ONLY"); | |
1297 | ||
1298 | // Cu+Ni foil covers textolite | |
1299 | ||
1300 | par[1] = fGeom->GetCPVCuNiFoilThickness() / 2; | |
1301 | gMC->Gsvolu("CPV1","BOX ",idtmed[710],par,3); | |
1302 | y = fGeom->GetCPVTextoliteThickness()/2 - par[1]; | |
1303 | gMC->Gspos ("CPV1",1,"CPVF",0,y,0,0,"ONLY"); | |
1304 | ||
1305 | // Aluminum frame around CPV | |
1306 | ||
1307 | par[0] = fGeom->GetCPVFrameSize(0)/2; | |
1308 | par[1] = fGeom->GetCPVFrameSize(1)/2; | |
1309 | par[2] = fGeom->GetCPVBoxSize(2) /2; | |
1310 | gMC->Gsvolu("CFR1","BOX ",idtmed[701],par,3); | |
1311 | ||
1312 | par[0] = fGeom->GetCPVBoxSize(0)/2 - fGeom->GetCPVFrameSize(0); | |
1313 | par[1] = fGeom->GetCPVFrameSize(1)/2; | |
1314 | par[2] = fGeom->GetCPVFrameSize(2)/2; | |
1315 | gMC->Gsvolu("CFR2","BOX ",idtmed[701],par,3); | |
1316 | ||
1317 | for (Int_t j=0; j<=1; j++) { | |
1318 | x = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(0) - fGeom->GetCPVFrameSize(0)) / 2; | |
1319 | gMC->Gspos("CFR1",j+1,"CPV", x,0,0,0,"ONLY"); | |
1320 | z = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(2) - fGeom->GetCPVFrameSize(2)) / 2; | |
1321 | gMC->Gspos("CFR2",j+1,"CPV",0, 0,z,0,"ONLY"); | |
1322 | } | |
1323 | ||
1324 | } | |
1325 | ||
1326 | ||
1327 | //____________________________________________________________________________ | |
1328 | void AliPHOSv0::CreateGeometryforSupport() | |
1329 | { | |
1330 | // Create the PHOS' support geometry for GEANT | |
1331 | //BEGIN_HTML | |
1332 | /* | |
1333 | <H2> | |
1334 | Geant3 geometry of the PHOS's support | |
1335 | </H2> | |
1336 | <P><CENTER> | |
1337 | <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/PHOS_support.gif"> | |
1338 | </CENTER><P> | |
1339 | */ | |
1340 | //END_HTML | |
1341 | ||
1342 | Float_t par[5], x0,y0,z0 ; | |
1343 | Int_t i,j,copy; | |
1344 | ||
1345 | // Get pointer to the array containing media indexes | |
1346 | Int_t *idtmed = fIdtmed->GetArray() - 699 ; | |
1347 | ||
1348 | // --- Dummy box containing two rails on which PHOS support moves | |
1349 | // --- Put these rails to the bottom of the L3 magnet | |
1350 | ||
1351 | par[0] = fGeom->GetRailRoadSize(0) / 2.0 ; | |
1352 | par[1] = fGeom->GetRailRoadSize(1) / 2.0 ; | |
1353 | par[2] = fGeom->GetRailRoadSize(2) / 2.0 ; | |
1354 | gMC->Gsvolu("PRRD", "BOX ", idtmed[798], par, 3) ; | |
1355 | ||
1356 | y0 = -(fGeom->GetRailsDistanceFromIP() - fGeom->GetRailRoadSize(1) / 2.0) ; | |
1357 | gMC->Gspos("PRRD", 1, "ALIC", 0.0, y0, 0.0, 0, "ONLY") ; | |
1358 | ||
1359 | // --- Dummy box containing one rail | |
1360 | ||
1361 | par[0] = fGeom->GetRailOuterSize(0) / 2.0 ; | |
1362 | par[1] = fGeom->GetRailOuterSize(1) / 2.0 ; | |
1363 | par[2] = fGeom->GetRailOuterSize(2) / 2.0 ; | |
1364 | gMC->Gsvolu("PRAI", "BOX ", idtmed[798], par, 3) ; | |
1365 | ||
1366 | for (i=0; i<2; i++) { | |
1367 | x0 = (2*i-1) * fGeom->GetDistanceBetwRails() / 2.0 ; | |
1368 | gMC->Gspos("PRAI", i, "PRRD", x0, 0.0, 0.0, 0, "ONLY") ; | |
1369 | } | |
1370 | ||
1371 | // --- Upper and bottom steel parts of the rail | |
1372 | ||
1373 | par[0] = fGeom->GetRailPart1(0) / 2.0 ; | |
1374 | par[1] = fGeom->GetRailPart1(1) / 2.0 ; | |
1375 | par[2] = fGeom->GetRailPart1(2) / 2.0 ; | |
1376 | gMC->Gsvolu("PRP1", "BOX ", idtmed[716], par, 3) ; | |
1377 | ||
1378 | y0 = - (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart1(1)) / 2.0 ; | |
1379 | gMC->Gspos("PRP1", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ; | |
1380 | y0 = (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart1(1)) / 2.0 - fGeom->GetRailPart3(1); | |
1381 | gMC->Gspos("PRP1", 2, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ; | |
1382 | ||
1383 | // --- The middle vertical steel parts of the rail | |
1384 | ||
1385 | par[0] = fGeom->GetRailPart2(0) / 2.0 ; | |
1386 | par[1] = fGeom->GetRailPart2(1) / 2.0 ; | |
1387 | par[2] = fGeom->GetRailPart2(2) / 2.0 ; | |
1388 | gMC->Gsvolu("PRP2", "BOX ", idtmed[716], par, 3) ; | |
1389 | ||
1390 | y0 = - fGeom->GetRailPart3(1) / 2.0 ; | |
1391 | gMC->Gspos("PRP2", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ; | |
1392 | ||
1393 | // --- The most upper steel parts of the rail | |
1394 | ||
1395 | par[0] = fGeom->GetRailPart3(0) / 2.0 ; | |
1396 | par[1] = fGeom->GetRailPart3(1) / 2.0 ; | |
1397 | par[2] = fGeom->GetRailPart3(2) / 2.0 ; | |
1398 | gMC->Gsvolu("PRP3", "BOX ", idtmed[716], par, 3) ; | |
1399 | ||
1400 | y0 = (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart3(1)) / 2.0 ; | |
1401 | gMC->Gspos("PRP3", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ; | |
1402 | ||
1403 | // --- The wall of the cradle | |
1404 | // --- The wall is empty: steel thin walls and air inside | |
1405 | ||
1406 | par[1] = TMath::Sqrt( | |
1407 | TMath::Power((fGeom->GetIPtoOuterCoverDistance() + fGeom->GetOuterBoxSize(1)),2) + | |
1408 | TMath::Power((fGeom->GetOuterBoxSize(0)/2),2)) + 10.; | |
1409 | par[0] = par[1] - fGeom->GetCradleWall(1) ; | |
1410 | par[2] = fGeom->GetCradleWall(2) / 2.0 ; | |
1411 | par[3] = fGeom->GetCradleWall(3) ; | |
1412 | par[4] = fGeom->GetCradleWall(4) ; | |
1413 | gMC->Gsvolu("PCRA", "TUBS", idtmed[716], par, 5) ; | |
1414 | ||
1415 | par[0] -= fGeom->GetCradleWallThickness() ; | |
1416 | par[1] -= fGeom->GetCradleWallThickness() ; | |
1417 | par[2] -= fGeom->GetCradleWallThickness() ; | |
1418 | gMC->Gsvolu("PCRE", "TUBS", idtmed[798], par, 5) ; | |
1419 | gMC->Gspos ("PCRE", 1, "PCRA", 0.0, 0.0, 0.0, 0, "ONLY") ; | |
1420 | ||
1421 | for (i=0; i<2; i++) { | |
1422 | z0 = (2*i-1) * (fGeom->GetOuterBoxSize(2) + fGeom->GetCradleWall(2)) / 2.0 ; | |
1423 | gMC->Gspos("PCRA", i, "ALIC", 0.0, 0.0, z0, 0, "ONLY") ; | |
1424 | } | |
1425 | ||
1426 | // --- The "wheels" of the cradle | |
1427 | ||
1428 | par[0] = fGeom->GetCradleWheel(0) / 2; | |
1429 | par[1] = fGeom->GetCradleWheel(1) / 2; | |
1430 | par[2] = fGeom->GetCradleWheel(2) / 2; | |
1431 | gMC->Gsvolu("PWHE", "BOX ", idtmed[716], par, 3) ; | |
1432 | ||
1433 | y0 = -(fGeom->GetRailsDistanceFromIP() - fGeom->GetRailRoadSize(1) - | |
1434 | fGeom->GetCradleWheel(1)/2) ; | |
1435 | for (i=0; i<2; i++) { | |
1436 | z0 = (2*i-1) * ((fGeom->GetOuterBoxSize(2) + fGeom->GetCradleWheel(2)) / 2.0 + | |
1437 | fGeom->GetCradleWall(2)); | |
1438 | for (j=0; j<2; j++) { | |
1439 | copy = 2*i + j; | |
1440 | x0 = (2*j-1) * fGeom->GetDistanceBetwRails() / 2.0 ; | |
1441 | gMC->Gspos("PWHE", copy, "ALIC", x0, y0, z0, 0, "ONLY") ; | |
1442 | } | |
1443 | } | |
1444 | ||
1445 | } | |
1446 | ||
1447 | //____________________________________________________________________________ | |
1448 | Float_t AliPHOSv0::ZMin(void) const | |
1449 | { | |
1450 | // Overall dimension of the PHOS (min) | |
1451 | // Take it twice more than the PHOS module size | |
1452 | return -fGeom->GetOuterBoxSize(2); | |
1453 | } | |
1454 | ||
1455 | //____________________________________________________________________________ | |
1456 | Float_t AliPHOSv0::ZMax(void) const | |
1457 | { | |
1458 | // Overall dimension of the PHOS (max) | |
1459 | // Take it twice more than the PHOS module size | |
1460 | return fGeom->GetOuterBoxSize(2); | |
1461 | } | |
1462 | ||
1463 | //____________________________________________________________________________ | |
1464 | void AliPHOSv0::Init(void) | |
1465 | { | |
1466 | // Just prints an information message | |
1467 | ||
1468 | Int_t i; | |
1469 | ||
1470 | printf("\n"); | |
1471 | for(i=0;i<35;i++) printf("*"); | |
1472 | printf(" PHOS_INIT "); | |
1473 | for(i=0;i<35;i++) printf("*"); | |
1474 | printf("\n"); | |
1475 | ||
1476 | // Here the PHOS initialisation code (if any!) | |
1477 | ||
1478 | if (fGeom!=0) | |
1479 | cout << "AliPHOS" << Version() << " : PHOS geometry intialized for " << fGeom->GetName() << endl ; | |
1480 | else | |
1481 | cout << "AliPHOS" << Version() << " : PHOS geometry initialization failed !" << endl ; | |
1482 | ||
1483 | for(i=0;i<80;i++) printf("*"); | |
1484 | printf("\n"); | |
1485 | ||
1486 | } | |
1487 |