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