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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
88cb7938 | 16 | /* $Id$ */ |
4c039060 | 17 | |
73042f01 | 18 | // |
fe4da5cc | 19 | /////////////////////////////////////////////////////////////////////////////// |
20 | // // | |
21 | // Time Projection Chamber version 1 -- detailed TPC and fast simulation // | |
37831078 | 22 | // // |
fe4da5cc | 23 | //Begin_Html |
24 | /* | |
1439f98e | 25 | <img src="picts/AliTPCv1Class.gif"> |
fe4da5cc | 26 | */ |
27 | //End_Html | |
28 | // // | |
29 | // // | |
30 | /////////////////////////////////////////////////////////////////////////////// | |
31 | ||
88cb7938 | 32 | #include <Riostream.h> |
c1637e41 | 33 | #include <stdlib.h> |
c1637e41 | 34 | #include <TInterpreter.h> |
35 | #include <TMath.h> | |
c1637e41 | 36 | #include <TVirtualMC.h> |
d9e80aca | 37 | #include <TString.h> |
38 | #include <TSystem.h> | |
88cb7938 | 39 | |
c1637e41 | 40 | #include "AliConst.h" |
41 | #include "AliRun.h" | |
42 | #include "AliTPCDigitsArray.h" | |
43 | #include "AliTPCParam.h" | |
44 | #include "AliTPCParamSR.h" | |
45 | #include "AliTPCv1.h" | |
46 | #include "TLorentzVector.h" | |
47 | #include "AliMC.h" | |
48 | #include "TGeoManager.h" | |
49 | #include "TGeoVolume.h" | |
50 | #include "TGeoPcon.h" | |
51 | #include "TGeoTube.h" | |
52 | #include "TGeoPgon.h" | |
53 | #include "TGeoTrd1.h" | |
54 | #include "TGeoCompositeShape.h" | |
55 | #include "TGeoPara.h" | |
56 | ClassImp(AliTPCv1) | |
37831078 | 57 | |
c1637e41 | 58 | //_____________________________________________________________________________ |
37831078 | 59 | |
179c6296 | 60 | AliTPCv1::AliTPCv1():AliTPC(),fIdSens(0) |
61 | { | |
37831078 | 62 | |
c1637e41 | 63 | fHitType = 1; |
37831078 | 64 | |
c1637e41 | 65 | } |
66 | ||
67 | //_____________________________________________________________________________ | |
68 | AliTPCv1::AliTPCv1(const char *name, const char *title) | |
179c6296 | 69 | :AliTPC(name, title),fIdSens(0) |
70 | { | |
c1637e41 | 71 | // |
72 | // Standard constructor for Time Projection Chamber | |
73 | // | |
37831078 | 74 | |
37831078 | 75 | |
c1637e41 | 76 | if (fTPCParam) |
77 | fTPCParam->Write(fTPCParam->GetTitle()); | |
79575d04 | 78 | |
c1637e41 | 79 | fHitType=1; |
80 | } | |
79575d04 | 81 | |
c1637e41 | 82 | //_____________________________________________________________________________ |
83 | void AliTPCv1::CreateGeometry() | |
84 | { | |
85 | //------------------------------------------------------------- | |
86 | // Creates geometry for Time Projection Chamber version 1 | |
87 | // Detailed geometry -- Fast simulation - space points | |
88 | // at the pad-rows centers | |
89 | // Origin M.Kowalski, INP Cracow, Marek.Kowalski@ifj.edu.pl | |
90 | //----------------------------------------------------------- | |
37831078 | 91 | |
c1637e41 | 92 | //Begin_Html |
93 | /* | |
94 | <img src="picts/AliTPC.gif"> | |
95 | */ | |
96 | //End_Html | |
97 | //Begin_Html | |
98 | /* | |
99 | <img src="picts/AliTPCv1Tree.gif"> | |
100 | */ | |
101 | //End_Html | |
37831078 | 102 | //---------------------------------------------------------- |
c1637e41 | 103 | // This geometry is written using TGeo class |
104 | // Firstly the shapes are defined, and only then the volumes | |
105 | // What is recognized by the MC are volumes | |
37831078 | 106 | //---------------------------------------------------------- |
c1637e41 | 107 | // |
108 | // tpc - this will be the mother volume | |
109 | // | |
37831078 | 110 | |
c1637e41 | 111 | // |
112 | // here I define a volume TPC | |
113 | // retrive the medium name with "TPC_" as a leading string | |
114 | // | |
78134e48 | 115 | TGeoPcon *tpc = new TGeoPcon(0.,360.,20); //20 sections |
c1637e41 | 116 | // |
78134e48 | 117 | tpc->DefineSection(0,-291.,77.,278.); |
118 | tpc->DefineSection(1,-270,77.,278.); | |
c1637e41 | 119 | // |
78134e48 | 120 | tpc->DefineSection(2,-270.,77.,278.); |
121 | tpc->DefineSection(3,-259.6,70.,278.); | |
c1637e41 | 122 | // |
78134e48 | 123 | tpc->DefineSection(4,-259.6,68.1,278.); |
124 | tpc->DefineSection(5,-253.6,68.1,278.); | |
c1637e41 | 125 | // |
78134e48 | 126 | tpc->DefineSection(6,-253.6,68.,278.); |
127 | tpc->DefineSection(7,-74.0,60.8,278.); | |
c1637e41 | 128 | // |
78134e48 | 129 | tpc->DefineSection(8,-74.0,60.1,278.); |
130 | tpc->DefineSection(9,-73.3,60.1,278.); | |
c1637e41 | 131 | // |
78134e48 | 132 | tpc->DefineSection(10,-73.3,56.9,278.); |
133 | tpc->DefineSection(11,73.3,56.9,278.); | |
c1637e41 | 134 | // |
78134e48 | 135 | tpc->DefineSection(12,73.3,60.1,278.); |
136 | tpc->DefineSection(13,74.0,60.1,278.); | |
c1637e41 | 137 | // |
78134e48 | 138 | tpc->DefineSection(14,74.0,60.8,278.); |
139 | tpc->DefineSection(15,253.6,65.5,278.); | |
140 | // | |
141 | tpc->DefineSection(16,253.6,65.6,278.); | |
142 | tpc->DefineSection(17,259.6,65.6,278.); | |
143 | // | |
144 | tpc->DefineSection(18,259.6,70.0,278.); | |
145 | tpc->DefineSection(19,291.,77.,278.); | |
c1637e41 | 146 | // |
147 | TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air"); | |
148 | TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1); | |
149 | // | |
150 | // drift volume - sensitive volume, extended beyond the | |
151 | // endcaps, because of the alignment | |
152 | // | |
153 | TGeoPcon *dvol = new TGeoPcon(0.,360.,6); | |
154 | dvol->DefineSection(0,-260.,74.5,264.4); | |
155 | dvol->DefineSection(1,-253.6,74.5,264.4); | |
156 | // | |
157 | dvol->DefineSection(2,-253.6,76.6774,258.); | |
158 | dvol->DefineSection(3,253.6,76.6774,258.); | |
159 | // | |
160 | dvol->DefineSection(4,253.6,74.5,264.4); | |
161 | dvol->DefineSection(5,260.,74.5,264.4); | |
162 | // | |
163 | TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-1"); | |
164 | TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5); | |
165 | // | |
166 | // | |
167 | v1->AddNode(v9,1); | |
168 | // | |
169 | // outer insulator | |
170 | // | |
171 | TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator | |
172 | // | |
173 | tpco->DefineSection(0,-256.6,264.8,278.); | |
174 | tpco->DefineSection(1,-253.6,264.8,278.); | |
175 | // | |
176 | tpco->DefineSection(2,-253.6,258.,278.); | |
177 | tpco->DefineSection(3,250.6,258.,278.); | |
178 | // | |
179 | tpco->DefineSection(4,250.6,258.,275.5); | |
180 | tpco->DefineSection(5,253.6,258.,275.5); | |
181 | // | |
182 | TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2"); | |
183 | TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2); | |
184 | // | |
185 | // outer containment vessel | |
186 | // | |
187 | TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel | |
188 | // | |
189 | tocv->DefineSection(0,-256.6,264.8,278.); | |
190 | tocv->DefineSection(1,-253.6,264.8,278.); | |
191 | // | |
192 | tocv->DefineSection(2,-253.6,274.8124,278.); | |
193 | tocv->DefineSection(3,247.6,274.8124,278.); | |
194 | // | |
195 | tocv->DefineSection(4,247.6,270.4,278.); | |
196 | tocv->DefineSection(5,250.6,270.4,278.); | |
197 | // | |
198 | TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al"); | |
199 | TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3); | |
200 | // | |
201 | TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy | |
202 | TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar | |
203 | TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2 | |
204 | TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex | |
205 | // | |
206 | TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy"); | |
207 | TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar"); | |
208 | TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2"); | |
209 | TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex"); | |
210 | // | |
211 | TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1); | |
212 | TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2); | |
213 | TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3); | |
214 | TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4); | |
37831078 | 215 | |
c1637e41 | 216 | //------------------------------------------------------- |
217 | // Tpc Outer Field Cage | |
218 | // daughters - composite (sandwich) | |
219 | //------------------------------------------------------- | |
37831078 | 220 | |
c1637e41 | 221 | TGeoPcon *tofc = new TGeoPcon(0.,360.,6); |
222 | // | |
223 | tofc->DefineSection(0,-253.6,258.,269.6); | |
224 | tofc->DefineSection(1,-250.6,258.,269.6); | |
225 | // | |
226 | tofc->DefineSection(2,-250.6,258.,260.0676); | |
227 | tofc->DefineSection(3,250.6,258.,260.0676); | |
228 | // | |
229 | tofc->DefineSection(4,250.6,258.,275.5); | |
230 | tofc->DefineSection(5,253.6,258.,275.5); | |
231 | // | |
232 | TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3); | |
233 | //sandwich | |
234 | TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar | |
235 | TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3 | |
236 | TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex | |
237 | // | |
238 | TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3"); | |
239 | // | |
240 | TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2); | |
241 | TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5); | |
242 | TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4); | |
243 | // | |
244 | // outer part - positioning | |
245 | // | |
246 | tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1); | |
247 | // | |
248 | tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1); | |
249 | // | |
456cb019 | 250 | v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1); |
c1637e41 | 251 | // |
252 | v2->AddNode(v3,1); v2->AddNode(v4,1); | |
253 | // | |
254 | v1->AddNode(v2,1); | |
255 | //-------------------------------------------------------------------- | |
256 | // Tpc Inner INsulator (CO2) | |
257 | // the cones, the central drum and the inner f.c. sandwich with a piece | |
258 | // of the flane will be placed in the TPC | |
259 | //-------------------------------------------------------------------- | |
260 | TGeoPcon *tpci = new TGeoPcon(0.,360.,4); | |
261 | // | |
262 | tpci->DefineSection(0,-253.6,68.4,76.6774); | |
263 | tpci->DefineSection(1,-74.0,61.2,76.6774); | |
264 | // | |
265 | tpci->DefineSection(2,74.0,61.2,76.6774); | |
266 | // | |
267 | tpci->DefineSection(3,253.6,65.9,76.6774); | |
268 | // | |
269 | TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2); | |
270 | // | |
271 | // now the inner field cage - only part of flanges (2 copies) | |
272 | // | |
273 | TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5); | |
274 | TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3); | |
275 | // | |
276 | //--------------------------------------------------------- | |
277 | // Tpc Inner Containment vessel - Muon side | |
278 | //--------------------------------------------------------- | |
279 | TGeoPcon *tcms = new TGeoPcon(0.,360.,10); | |
280 | // | |
281 | tcms->DefineSection(0,-259.1,68.1,74.2); | |
282 | tcms->DefineSection(1,-253.6,68.1,74.2); | |
283 | // | |
284 | tcms->DefineSection(2,-253.6,68.1,68.4); | |
285 | tcms->DefineSection(3,-74.0,60.9,61.2); | |
286 | // | |
287 | tcms->DefineSection(4,-74.0,60.1,61.2); | |
288 | tcms->DefineSection(5,-73.3,60.1,61.2); | |
289 | // | |
290 | tcms->DefineSection(6,-73.3,56.9,61.2); | |
291 | tcms->DefineSection(7,-73.0,56.9,61.2); | |
292 | // | |
293 | tcms->DefineSection(8,-73.0,56.9,58.8); | |
294 | tcms->DefineSection(9,-71.3,56.9,58.8); | |
295 | // | |
296 | TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3); | |
297 | //----------------------------------------------- | |
298 | // inner containment vessel - shaft side | |
299 | //----------------------------------------------- | |
300 | TGeoPcon *tcss = new TGeoPcon(0.,360.,10); | |
301 | // | |
302 | tcss->DefineSection(0,71.3,56.9,58.8); | |
303 | tcss->DefineSection(1,73.0,56.9,58.8); | |
304 | // | |
305 | tcss->DefineSection(2,73.0,56.9,61.2); | |
306 | tcss->DefineSection(3,73.3,56.9,61.2); | |
307 | // | |
308 | tcss->DefineSection(4,73.3,60.1,61.2); | |
309 | tcss->DefineSection(5,74.0,60.1,61.2); | |
310 | // | |
311 | tcss->DefineSection(6,74.0,60.9,61.2); | |
312 | tcss->DefineSection(7,253.6,65.6,65.9); | |
313 | // | |
314 | tcss->DefineSection(8,253.6,65.6,74.2); | |
315 | tcss->DefineSection(9,258.1,65.6,74.2); | |
316 | // | |
317 | TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3); | |
318 | //----------------------------------------------- | |
319 | // Inner field cage | |
320 | // define 4 parts and make an assembly | |
321 | //----------------------------------------------- | |
322 | // part1 - Al - 2 copies | |
323 | TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75); | |
324 | TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3); | |
325 | // sandwich - outermost parts - 2 copies | |
326 | TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns | |
327 | TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns | |
328 | TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns | |
329 | TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm | |
330 | // | |
331 | TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2); | |
332 | TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3); | |
333 | TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5); | |
334 | TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4); | |
335 | // | |
336 | // middle parts - 2 copies | |
337 | TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns | |
338 | TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns | |
339 | TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns | |
340 | TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm | |
341 | // | |
342 | TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2); | |
343 | TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3); | |
344 | TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5); | |
345 | TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4); | |
346 | // central part - 1 copy | |
347 | TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns | |
348 | TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns | |
349 | TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm | |
350 | // | |
351 | TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2); | |
352 | TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5); | |
353 | TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4); | |
354 | // | |
355 | // inner part - positioning | |
356 | // | |
357 | // creating a sandwich | |
358 | tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1); | |
359 | // | |
360 | tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1); | |
361 | // | |
362 | tv10->AddNode(tv11,1); tv11->AddNode(tv12,1); | |
363 | // | |
364 | TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); | |
365 | // | |
366 | tv100->AddNode(tv10,1); | |
367 | tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); | |
368 | tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); | |
369 | tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); | |
370 | tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925)); | |
371 | tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85)); | |
372 | tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85)); | |
373 | // | |
374 | v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1)); | |
375 | v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1)); | |
376 | v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1); | |
377 | v9->AddNode(tv100,1); | |
378 | // | |
379 | // central drum | |
380 | // | |
381 | // flange + sandwich | |
382 | // | |
383 | TGeoPcon *cfl = new TGeoPcon(0.,360.,6); | |
384 | cfl->DefineSection(0,-71.1,59.7,61.2); | |
385 | cfl->DefineSection(1,-68.6,59.7,61.2); | |
386 | // | |
387 | cfl->DefineSection(2,-68.6,60.6324,61.2); | |
388 | cfl->DefineSection(3,68.6,60.6324,61.2); | |
389 | // | |
390 | cfl->DefineSection(4,68.6,59.7,61.2); | |
391 | cfl->DefineSection(5,71.1,59.7,61.2); | |
392 | // | |
393 | TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3); | |
394 | // sandwich | |
395 | TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1); | |
396 | TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1); | |
397 | TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1); | |
398 | // | |
399 | TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1"); | |
400 | TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar | |
401 | TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1 | |
402 | TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm4); //nomex | |
403 | // | |
404 | // seals for central drum 2 copies | |
405 | // | |
406 | TGeoTube *cs = new TGeoTube(56.9,61.2,0.1); | |
407 | TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar"); | |
408 | TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7); | |
78134e48 | 409 | v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2)); |
410 | v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2)); | |
c1637e41 | 411 | // |
412 | // seal collars | |
413 | TGeoPcon *se = new TGeoPcon(0.,360.,6); | |
414 | se->DefineSection(0,-72.8,59.7,61.2); | |
415 | se->DefineSection(1,-72.3,59.7,61.2); | |
416 | // | |
417 | se->DefineSection(2,-72.3,58.85,61.2); | |
418 | se->DefineSection(3,-71.6,58.85,61.2); | |
419 | // | |
420 | se->DefineSection(4,-71.6,59.7,61.2); | |
421 | se->DefineSection(5,-71.3,59.7,61.2); | |
422 | // | |
423 | TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3); | |
424 | // | |
425 | TGeoTube *si = new TGeoTube(56.9,58.8,1.); | |
426 | TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3); | |
427 | // | |
428 | // define reflection matrix | |
429 | // | |
4fa47888 | 430 | TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.); |
c1637e41 | 431 | // |
432 | cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1); | |
433 | // | |
a1ec4d07 | 434 | v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9)); |
435 | v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9)); | |
c1637e41 | 436 | v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1); |
437 | // | |
438 | // central membrane - 2 rings and a mylar membrane - assembly | |
439 | // | |
440 | TGeoTube *ih = new TGeoTube(81.05,84.05,0.3); | |
441 | TGeoTube *oh = new TGeoTube(250.,256.,.5); | |
442 | TGeoTube *mem = new TGeoTube(84.05,250,0.01); | |
443 | TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3); | |
444 | TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3); | |
445 | TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7); | |
446 | // | |
447 | TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM"); | |
448 | cm->AddNode(ihv,1); | |
449 | cm->AddNode(ohv,1); | |
450 | cm->AddNode(memv,1); | |
451 | v9->AddNode(cm,1); | |
452 | // | |
453 | // end caps - they are make as an assembly of single segments | |
454 | // containing both readout chambers | |
455 | // | |
d899e254 | 456 | Double_t openingAngle = 10.*TMath::DegToRad(); |
c1637e41 | 457 | Double_t thick=1.5; // rib |
d899e254 | 458 | Double_t shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 459 | // |
d899e254 | 460 | Double_t lowEdge = 86.3; // hole in the wheel |
461 | Double_t upEdge = 240.4; // hole in the wheel | |
c1637e41 | 462 | // |
463 | new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.); | |
464 | // | |
465 | TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4); | |
466 | // | |
d899e254 | 467 | hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift); |
468 | hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift); | |
c1637e41 | 469 | // |
d899e254 | 470 | hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift); |
471 | hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift); | |
c1637e41 | 472 | // |
d899e254 | 473 | Double_t ys = shift*TMath::Sin(openingAngle); |
474 | Double_t xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 475 | TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.); |
476 | tr->RegisterYourself(); | |
477 | TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr"); | |
478 | TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3); | |
479 | TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2); | |
480 | bar->DefineSection(0,-3.,131.5-shift,136.5-shift); | |
481 | bar->DefineSection(1,1.5,131.5-shift,136.5-shift); | |
482 | TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3); | |
483 | TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment | |
484 | // | |
485 | ch->AddNode(sv,1); ch->AddNode(barv,1,tr); | |
486 | // | |
487 | // readout chambers | |
488 | // | |
489 | // IROC first | |
490 | // | |
491 | TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15); | |
492 | TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3); | |
493 | // empty space | |
494 | TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65); | |
495 | TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1); | |
496 | ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.)); | |
497 | //bars | |
498 | Double_t tga = (19.8328-12.3742)/39.3; | |
499 | Double_t xmin,xmax; | |
500 | xmin = 9.55*tga+12.3742; | |
501 | xmax = 9.95*tga+12.3742; | |
502 | TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
503 | TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3); | |
504 | empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9)); | |
505 | xmin=19.4*tga+12.3742; | |
506 | xmax=19.9*tga+12.3742; | |
507 | TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25); | |
508 | TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3); | |
509 | empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.)); | |
510 | xmin=29.35*tga+12.3742; | |
511 | xmax=29.75*tga+12.3742; | |
512 | TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
513 | TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3); | |
514 | empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9)); | |
515 | // | |
516 | // holes for connectors | |
517 | // | |
518 | TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc | |
519 | TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1); | |
d9e80aca | 520 | TString fileName(gSystem->Getenv("ALICE_ROOT")); |
521 | fileName += "/TPC/conn_iroc.dat"; | |
c1637e41 | 522 | ifstream in; |
d9e80aca | 523 | in.open(fileName.Data(), ios_base::in); // asci file |
c1637e41 | 524 | for(Int_t i =0;i<86;i++){ |
456cb019 | 525 | Double_t y = 3.99; |
c1637e41 | 526 | Double_t x,z,ang; |
527 | in>>x>>z>>ang; | |
456cb019 | 528 | z-=26.5; |
c1637e41 | 529 | TGeoRotation *rrr = new TGeoRotation(); |
530 | rrr->RotateY(ang); | |
531 | TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr); | |
532 | ibdv->AddNode(connv,i+1,trans); | |
533 | } | |
534 | in.close(); | |
535 | // "cap" | |
536 | new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825); | |
537 | // "hole" | |
538 | new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15); | |
539 | TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725); | |
540 | tr1->RegisterYourself(); | |
541 | TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1"); | |
542 | TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3); | |
543 | // | |
544 | // pad plane and wire fixations | |
545 | // | |
546 | TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso | |
547 | TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10"); | |
548 | TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4); | |
549 | TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.); | |
550 | TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4); | |
551 | TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.); | |
552 | TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4); | |
553 | // | |
554 | TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC"); | |
555 | // | |
556 | iroc->AddNode(ibdv,1); | |
557 | iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725)); | |
558 | iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725)); | |
559 | tga =(23.3521-14.5974)/49.65; | |
560 | Double_t xx = 24.825*tga+14.5974-0.6; | |
561 | iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725)); | |
562 | iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725)); | |
563 | // | |
564 | // OROC | |
565 | // | |
566 | TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65); | |
567 | TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3); | |
568 | TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65); | |
569 | TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1); | |
570 | obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.)); | |
571 | //horizontal bars | |
572 | tga=(38.5084-20.2938)/99.3; | |
573 | xmin=tga*10.2+20.2938; | |
574 | xmax=tga*10.6+20.2938; | |
575 | TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
576 | TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3); | |
577 | // | |
578 | xmin=22.55*tga+20.2938; | |
579 | xmax=24.15*tga+20.2938; | |
580 | TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
581 | TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3); | |
582 | // | |
583 | xmin=36.1*tga+20.2938; | |
584 | xmax=36.5*tga+20.2938; | |
585 | TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
586 | TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3); | |
587 | // | |
588 | xmin=49.0*tga+20.2938; | |
589 | xmax=50.6*tga+20.2938; | |
590 | TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
591 | TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3); | |
592 | // | |
593 | xmin=63.6*tga+20.2938; | |
594 | xmax=64.0*tga+20.2938; | |
595 | TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
596 | TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3); | |
597 | // | |
598 | xmin=75.5*tga+20.2938; | |
599 | xmax=77.15*tga+20.2938; | |
600 | TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
601 | TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3); | |
602 | // | |
603 | xmin=88.7*tga+20.2938; | |
604 | xmax=89.1*tga+20.2938; | |
605 | TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
606 | TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3); | |
607 | // | |
608 | oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25)); | |
609 | oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3)); | |
610 | oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35)); | |
611 | oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15)); | |
612 | oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15)); | |
613 | oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7)); | |
614 | oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25)); | |
615 | // vertical bars | |
616 | TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1); | |
617 | TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975); | |
618 | TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775); | |
619 | TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25); | |
620 | TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5); | |
621 | // | |
622 | TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3); | |
623 | TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3); | |
624 | TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3); | |
625 | TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3); | |
626 | TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3); | |
627 | // | |
628 | oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55)); | |
629 | oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55)); | |
630 | oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075)); | |
631 | oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525)); | |
632 | oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125)); | |
633 | oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275)); | |
634 | oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9)); | |
635 | oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45)); | |
636 | // | |
637 | // holes for connectors | |
638 | // | |
d9e80aca | 639 | fileName = gSystem->Getenv("ALICE_ROOT"); |
640 | fileName += "/TPC/conn_oroc.dat"; | |
641 | in.open(fileName.Data(), ios_base::in); // asci file | |
c1637e41 | 642 | for(Int_t i =0;i<78;i++){ |
643 | Double_t y =3.89; | |
644 | Double_t x,z,ang; | |
645 | Double_t x1,z1,x2,z2; | |
646 | in>>x>>z>>ang; | |
647 | Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad()); | |
648 | Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad()); | |
649 | // | |
650 | x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z; | |
651 | // | |
652 | TGeoRotation *rr = new TGeoRotation(); | |
653 | rr->RotateY(ang); | |
654 | z1-=54.95; | |
655 | z2-=54.95; | |
656 | TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr); | |
657 | TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr); | |
658 | obdv->AddNode(connv,i+1,trans1); | |
659 | obdv->AddNode(connv,i+79,trans2); | |
660 | } | |
661 | in.close(); | |
662 | // cap | |
663 | new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1); | |
664 | new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65); | |
665 | TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15); | |
666 | tr5->RegisterYourself(); | |
667 | TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5"); | |
668 | TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3); | |
669 | // | |
670 | // pad plane and wire fixations | |
671 | // | |
672 | TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1); | |
673 | TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4); | |
674 | // | |
675 | tga=(43.5239-23.3874)/114.2; | |
676 | TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.); | |
677 | TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.); | |
678 | xx = 57.1*tga+23.3874-0.7; | |
679 | TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4); | |
680 | TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4); | |
681 | // | |
682 | TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC"); | |
683 | // | |
684 | oroc->AddNode(obdv,1); | |
685 | oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15)); | |
686 | oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15)); | |
687 | oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15)); | |
688 | oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15)); | |
689 | // | |
690 | // now iroc and oroc are placed into a sector... | |
691 | // | |
a1ec4d07 | 692 | TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side |
693 | TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side | |
c1637e41 | 694 | TGeoRotation rot1("rot1",90.,90.,0.); |
695 | TGeoRotation rot2("rot2"); | |
696 | rot2.RotateY(10.); | |
697 | TGeoRotation *rot = new TGeoRotation("rot"); | |
698 | *rot=rot1*rot2; | |
699 | // | |
700 | Double_t x0,y0; | |
d899e254 | 701 | x0=110.2*TMath::Cos(openingAngle); |
702 | y0=110.2*TMath::Sin(openingAngle); | |
20527578 | 703 | TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side |
704 | TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side | |
d899e254 | 705 | x0=188.45*TMath::Cos(openingAngle); |
706 | y0=188.45*TMath::Sin(openingAngle); | |
20527578 | 707 | TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side |
708 | TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side | |
c1637e41 | 709 | // |
a1ec4d07 | 710 | // A-side |
c1637e41 | 711 | // |
a1ec4d07 | 712 | secta->AddNode(ch,1); |
713 | secta->AddNode(iroc,1,combi1a); | |
714 | secta->AddNode(oroc,1,combi2a); | |
c1637e41 | 715 | // |
a1ec4d07 | 716 | // C-side |
717 | // | |
718 | sectc->AddNode(ch,1); | |
719 | sectc->AddNode(iroc,1,combi1c); | |
720 | sectc->AddNode(oroc,1,combi2c); | |
721 | // | |
722 | // now I try to make wheels... | |
723 | // | |
724 | TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
725 | TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
c1637e41 | 726 | // |
727 | for(Int_t i =0;i<18;i++){ | |
728 | Double_t phi = (20.*i); | |
729 | TGeoRotation *r = new TGeoRotation(); | |
730 | r->RotateZ(phi); | |
a1ec4d07 | 731 | wheela->AddNode(secta,i+1,r); |
732 | wheelc->AddNode(sectc,i+1,r); | |
79575d04 | 733 | |
c1637e41 | 734 | } |
735 | // wheels in the drift volume! | |
c1637e41 | 736 | TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref); |
a1ec4d07 | 737 | v9->AddNode(wheela,1,combi3); |
738 | v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6)); | |
c1637e41 | 739 | |
740 | //_____________________________________________________________ | |
741 | // service support wheel | |
742 | //_____________________________________________________________ | |
743 | TGeoPgon *sw = new TGeoPgon(0.,20.,1,2); | |
744 | sw->DefineSection(0,-4.,80.5,251.75); | |
745 | sw->DefineSection(1,4.,80.5,251.75); | |
746 | TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al | |
747 | // | |
748 | thick=1.; | |
d899e254 | 749 | shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 750 | TGeoPgon *sh = new TGeoPgon(0.,20.,1,2); |
751 | sh->DefineSection(0,-4.,81.5-shift,250.75-shift); | |
752 | sh->DefineSection(1,4.,81.5-shift,250.75-shift); | |
753 | TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air | |
754 | // | |
74518339 | 755 | TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si"); |
756 | TGeoPgon *el = new TGeoPgon(0.,20.,1,2); | |
757 | el->DefineSection(0,-1.872,81.5-shift,250.75-shift); | |
758 | el->DefineSection(1,1.872,81.5-shift,250.75-shift); | |
759 | TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si | |
760 | // | |
761 | shv->AddNode(elv,1); | |
762 | // | |
763 | // | |
d899e254 | 764 | ys = shift*TMath::Sin(openingAngle); |
765 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 766 | swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.)); |
767 | // cover | |
768 | TGeoPgon *co = new TGeoPgon(0.,20.,1,2); | |
769 | co->DefineSection(0,-0.5,77.,255.25); | |
770 | co->DefineSection(1,0.5,77.,255.25); | |
771 | TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al | |
772 | // hole in a cover | |
773 | TGeoPgon *coh = new TGeoPgon(0.,20.,1,2); | |
d899e254 | 774 | shift=4./TMath::Sin(openingAngle); |
c1637e41 | 775 | coh->DefineSection(0,-0.5,85.-shift,247.25-shift); |
776 | coh->DefineSection(1,0.5,85.-shift,247.25-shift); | |
777 | // | |
778 | TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1); | |
779 | // | |
d899e254 | 780 | ys = shift*TMath::Sin(openingAngle); |
781 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 782 | cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.)); |
783 | // | |
784 | // Sector as an Assembly | |
785 | // | |
786 | TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC"); | |
787 | swhs->AddNode(swv,1); | |
788 | swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5)); | |
789 | swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5)); | |
790 | // | |
791 | // SSW as an Assembly of sectors | |
792 | // | |
793 | TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL"); | |
794 | for(Int_t i =0;i<18;i++){ | |
795 | Double_t phi = (20.*i); | |
796 | TGeoRotation *r = new TGeoRotation(); | |
797 | r->RotateZ(phi); | |
798 | swheel->AddNode(swhs,i+1,r); | |
799 | } | |
800 | v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6)); | |
801 | v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6)); | |
802 | ||
803 | // sensitive strips | |
804 | TGeoMedium *m8 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2"); | |
805 | Int_t totrows; | |
806 | totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp(); | |
807 | Double_t *upar; | |
808 | upar=NULL; | |
809 | gGeoManager->Volume("TPC_Strip","PGON",m8->GetId(),upar); | |
810 | upar=new Double_t [10]; | |
811 | upar[0]=0.; | |
812 | upar[1]=360.; | |
813 | upar[2]=18.; | |
814 | upar[3]=2.; | |
815 | // | |
816 | upar[4]=-124.8; | |
817 | upar[7]=124.8; | |
818 | ||
819 | Double_t rlow=fTPCParam->GetPadRowRadiiLow(0); | |
820 | ||
821 | upar[5]=rlow; | |
822 | upar[6]=rlow+.01; | |
823 | upar[8]=upar[5]; | |
824 | upar[9]=upar[6]; | |
825 | // | |
826 | gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
827 | gGeoManager->Node("TPC_Strip",totrows+1, | |
828 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
829 | // | |
830 | // now, strips | |
831 | // | |
832 | //lower sectors | |
833 | for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){ | |
834 | rlow=fTPCParam->GetPadRowRadiiLow(i-1); | |
835 | upar[5]=rlow; | |
836 | upar[6]=rlow+.01; | |
837 | upar[8]=upar[5]; | |
838 | upar[9]=upar[6]; | |
839 | gGeoManager->Node("TPC_Strip",i, | |
840 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
841 | gGeoManager->Node("TPC_Strip",totrows+i, | |
842 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
843 | } | |
844 | //upper sectors | |
845 | for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){ | |
846 | rlow=fTPCParam->GetPadRowRadiiUp(i-1); | |
847 | upar[5]=rlow; | |
848 | upar[6]=rlow+.01; | |
849 | upar[8]=upar[5]; | |
850 | upar[9]=upar[6]; | |
851 | gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(), | |
852 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
853 | gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(), | |
854 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
855 | } | |
856 | ||
37831078 | 857 | //---------------------------------------------------------- |
c1637e41 | 858 | // TPc Support Rods - MAKROLON |
37831078 | 859 | //---------------------------------------------------------- |
c1637e41 | 860 | TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon"); |
861 | TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu"); | |
78134e48 | 862 | TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina"); |
863 | TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek"); | |
864 | TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water"); | |
c1637e41 | 865 | // upper and lower rods differ in length! |
866 | delete [] upar; | |
867 | upar=NULL; | |
868 | gGeoManager->Volume("TPC_Rod","TUBE",m6->GetId(),upar); | |
869 | upar=new Double_t [3]; | |
870 | upar[0]=1.8; | |
871 | upar[1]=2.2; | |
872 | ||
79575d04 | 873 | // |
c1637e41 | 874 | //HV rods - makrolon + 0.58cm (diameter) Cu |
ae4806ca | 875 | TGeoTube *hvr = new TGeoTube(0.,2.2,126.64); |
c1637e41 | 876 | TGeoTube *hvc = new TGeoTube(0.,0.29,126.64); |
877 | // | |
878 | TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6); | |
879 | TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7); | |
880 | hvrv->AddNode(hvcv,1); | |
78134e48 | 881 | // |
882 | // resistor rods | |
883 | // | |
884 | TGeoTube *cri = new TGeoTube(0.,0.45,126.64); //inner | |
885 | TGeoTube *cro = new TGeoTube(0.,0.45,126.54); //outer | |
886 | TGeoTube *cwi = new TGeoTube(0.,0.15,126.64); // water inner | |
887 | TGeoTube *cwo = new TGeoTube(0.,0.15,126.54); // water outer | |
888 | // | |
889 | TGeoVolume *criv = new TGeoVolume("TPC_CR_I",cri,m10); | |
890 | TGeoVolume *crov = new TGeoVolume("TPC_CR_O",cro,m10); | |
891 | TGeoVolume *cwiv = new TGeoVolume("TPC_W_I",cwi,m11); | |
892 | TGeoVolume *cwov = new TGeoVolume("TPC_W_O",cwo,m11); | |
893 | // | |
894 | // ceramic rod with water | |
895 | // | |
896 | criv->AddNode(cwiv,1); | |
897 | crov->AddNode(cwov,1); | |
898 | // | |
899 | TGeoTube *pri =new TGeoTube(0.2,0.35,126.64); //inner | |
900 | TGeoTube *pro = new TGeoTube(0.2,0.35,126.54); //outer | |
901 | // | |
902 | // peek rod | |
903 | // | |
904 | TGeoVolume *priv = new TGeoVolume("TPC_PR_I",pri,m12); | |
905 | TGeoVolume *prov = new TGeoVolume("TPC_PR_O",pro,m12); | |
906 | // | |
907 | // resistor rods assembly | |
908 | // | |
be53328e | 909 | TGeoRotation *rotr = new TGeoRotation("rotr"); |
910 | rotr->RotateZ(-21.); | |
78134e48 | 911 | // |
912 | TGeoTube *rri = new TGeoTube(1.8,2.2,126.64);//inner | |
913 | TGeoTube *rro = new TGeoTube(1.8,2.2,126.54);//inner | |
914 | // | |
915 | TGeoVolume *rriv = new TGeoVolume("TPC_RR_I",rri,m6); | |
916 | TGeoVolume *rrov = new TGeoVolume("TPC_RR_O",rro,m6); | |
917 | // | |
918 | // | |
a3d2be59 | 919 | TGeoVolumeAssembly *rrin = new TGeoVolumeAssembly("TPC_RROD_I"); |
920 | TGeoVolumeAssembly *rrou = new TGeoVolumeAssembly("TPC_RROD_O"); | |
921 | rrin->AddNode(rriv,1); | |
922 | rrin->AddNode(criv,1,new TGeoTranslation(0.5,0.866, 0.)); | |
923 | rrin->AddNode(criv,2,new TGeoTranslation(0.5,-0.866, 0.)); | |
924 | rrin->AddNode(priv,1); | |
925 | // | |
926 | rrou->AddNode(rrov,1); | |
927 | rrou->AddNode(crov,1,new TGeoTranslation(0.5,0.866, 0.)); | |
928 | rrou->AddNode(crov,2,new TGeoTranslation(0.5,-0.866, 0.)); | |
929 | rrou->AddNode(prov,1); | |
7281dc07 | 930 | for(Int_t i=0;i<18;i++){ |
c1637e41 | 931 | Double_t angle,x,y; |
932 | Double_t z,r; | |
933 | angle=TMath::DegToRad()*20.*(Double_t)i; | |
934 | r=81.5; | |
935 | x=r * TMath::Cos(angle); | |
936 | y=r * TMath::Sin(angle); | |
937 | upar[2]=126.64; //lower | |
938 | z= 126.96; | |
78134e48 | 939 | if(i==3){ |
be53328e | 940 | v9->AddNode(rrin,1,new TGeoCombiTrans(x,y,z,rotr)); //A |
941 | v9->AddNode(rrin,2,new TGeoCombiTrans(x,y,-z,rotr)); //C | |
78134e48 | 942 | } |
943 | else { | |
944 | gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft | |
945 | gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon | |
c1637e41 | 946 | } |
78134e48 | 947 | |
948 | // | |
c1637e41 | 949 | r=254.25; |
950 | x=r * TMath::Cos(angle); | |
951 | y=r * TMath::Sin(angle); | |
952 | upar[2]=126.54; //upper | |
953 | z=127.06; | |
78134e48 | 954 | // |
955 | if(i==15){ | |
5042ab7d | 956 | //v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only |
957 | v9->AddNode(hvrv,1,new TGeoTranslation(x,y,127.14));//A-side only | |
78134e48 | 958 | gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3); |
959 | } | |
960 | else if(i==11){ | |
be53328e | 961 | v9->AddNode(rrou,1,new TGeoCombiTrans(x,y,z,rotr)); //A |
962 | v9->AddNode(rrou,2,new TGeoCombiTrans(x,y,-z,rotr)); //C | |
78134e48 | 963 | } |
964 | else{ | |
965 | // | |
966 | gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3); | |
967 | gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3); | |
968 | } | |
c1637e41 | 969 | gGeoManager->Node("TPC_Rod",i+36,"TPC_Drift",x,y,z,0,kTRUE,upar,3); |
970 | gGeoManager->Node("TPC_Rod",i+54,"TPC_Drift",x,y,-z,0,kTRUE,upar,3); | |
971 | } | |
79575d04 | 972 | |
bde68ab0 | 973 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); |
974 | alice->AddNode(v1,1); | |
37831078 | 975 | |
976 | } // end of function | |
977 | ||
37831078 | 978 | |
979 | //_____________________________________________________________________________ | |
980 | void AliTPCv1::CreateMaterials() | |
981 | { | |
982 | // | |
983 | // Define materials for Time Projection Chamber | |
984 | // | |
985 | AliTPC::CreateMaterials(); | |
986 | } | |
987 | ||
988 | //_____________________________________________________________________________ | |
989 | void AliTPCv1::Init() | |
fe4da5cc | 990 | { |
991 | // | |
992 | // Initialises TPC detector after it has been created | |
993 | // | |
cfce8870 | 994 | |
c1637e41 | 995 | fIdSens=gMC->VolId("TPC_Strip"); // sensitive strip |
fe4da5cc | 996 | |
13a8c8d7 | 997 | printf("%s: *** TPC version 1 initialized***\n",ClassName()); |
998 | ||
999 | // printf("TPC version 1 initialized\n"); | |
fe4da5cc | 1000 | } |
1001 | ||
1002 | //_____________________________________________________________________________ | |
1003 | void AliTPCv1::StepManager() | |
1004 | { | |
1005 | // | |
1006 | // Called at every step in the Time Projection Chamber | |
1007 | // | |
0a6d8768 | 1008 | Int_t copy, id, i; |
e61fd20d | 1009 | Float_t hits[5]; |
fe4da5cc | 1010 | Int_t vol[2]; |
0a6d8768 | 1011 | TLorentzVector p; |
6a905708 | 1012 | // |
1283eee5 | 1013 | |
c1637e41 | 1014 | id = gMC->CurrentVolID(copy); |
1015 | if(id!=fIdSens) return; | |
0a6d8768 | 1016 | if(gMC->TrackCharge() && gMC->IsTrackEntering()) { |
37831078 | 1017 | |
1018 | // | |
1019 | // Only charged tracks entering the sensitive volume | |
fe4da5cc | 1020 | // |
37831078 | 1021 | |
c1637e41 | 1022 | gMC->TrackPosition(p); |
1023 | Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1024 | // | |
1025 | ||
1026 | // | |
1027 | Double_t angle = TMath::ACos(p[0]/r); | |
1028 | angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle; | |
1029 | // | |
1030 | // angular segment, it is not a real sector number... | |
1031 | // | |
1032 | Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/ | |
1033 | fTPCParam->GetInnerAngle()); | |
1034 | // rotate to segment "0" | |
1035 | Float_t cos,sin; | |
1036 | fTPCParam->AdjustCosSin(sector,cos,sin); | |
1037 | Float_t x1 = p[0]*cos + p[1]*sin; | |
1038 | Float_t y1 = TMath::Abs(-p[0]*sin + p[1]*cos); | |
1039 | // calculate real sector number... | |
1040 | if (x1>fTPCParam->GetOuterRadiusLow()){ | |
1041 | sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/ | |
1042 | fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector(); | |
1043 | if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1); | |
1044 | } | |
1045 | else | |
1046 | if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1); | |
1047 | // | |
1048 | // here I have a sector number | |
1049 | // | |
1050 | vol[0]=sector; | |
1051 | // | |
1052 | Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp(); | |
1053 | vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows; | |
1054 | // row numbers are autonomous for lower and upper sectors | |
1055 | if(vol[0] > fTPCParam->GetNInnerSector()) { | |
1056 | vol[1] -= fTPCParam->GetNRowLow(); | |
1057 | } | |
1058 | Double_t range = (sector<36) ? fTPCParam->GetYInner(vol[1]) : | |
1059 | fTPCParam->GetYOuter(vol[1]); | |
1060 | if(y1>range) return; | |
1061 | if(vol[1] == 0){ | |
37831078 | 1062 | |
1063 | // because Jouri wants to have this | |
1064 | ||
1065 | gMC->TrackMomentum(p); | |
1066 | hits[0]=p[0]; | |
1067 | hits[1]=p[1]; | |
1068 | hits[2]=p[2]; | |
1069 | hits[3]=0.; // this hit has no energy loss | |
e61fd20d | 1070 | // Get also the track time for pileup simulation |
1071 | hits[4]=gMC->TrackTime(); | |
1072 | ||
c1637e41 | 1073 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I. |
1074 | } | |
1075 | gMC->TrackPosition(p); | |
37831078 | 1076 | for(i=0;i<3;++i) hits[i]=p[i]; |
1077 | hits[3]=1; //I'd like to have something positive here (I.Belikov) | |
e61fd20d | 1078 | // Get also the track time for pileup simulation |
1079 | hits[4]=gMC->TrackTime(); | |
1080 | ||
c1637e41 | 1081 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I. |
37831078 | 1082 | |
c1637e41 | 1083 | }// track entering sensitive strip |
37831078 | 1084 | |
fe4da5cc | 1085 | } |
37831078 | 1086 | //_____________________________________________________________________________ |
1283eee5 | 1087 | |
1088 | ||
1089 |