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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 | // | |
8ad31ee5 | 115 | TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections |
c1637e41 | 116 | // |
8ad31ee5 | 117 | tpc->DefineSection(0,-289.6,77.,278.); |
118 | tpc->DefineSection(1,-262.1,77.,278.); | |
c1637e41 | 119 | // |
8ad31ee5 | 120 | tpc->DefineSection(2,-262.1,83.1,278.); |
121 | tpc->DefineSection(3,-260.,83.1,278.); | |
c1637e41 | 122 | // |
8ad31ee5 | 123 | tpc->DefineSection(4,-260.,70.,278.); |
124 | tpc->DefineSection(5,-259.6,70.,278.); | |
c1637e41 | 125 | // |
8ad31ee5 | 126 | tpc->DefineSection(6,-259.6,68.1,278.); |
127 | tpc->DefineSection(7,-253.6,68.1,278.); | |
c1637e41 | 128 | // |
8ad31ee5 | 129 | tpc->DefineSection(8,-253.6,68.,278.); |
130 | tpc->DefineSection(9,-74.0,60.8,278.); | |
c1637e41 | 131 | // |
8ad31ee5 | 132 | tpc->DefineSection(10,-74.0,60.1,278.); |
133 | tpc->DefineSection(11,-73.3,60.1,278.); | |
c1637e41 | 134 | // |
8ad31ee5 | 135 | tpc->DefineSection(12,-73.3,56.9,278.); |
136 | tpc->DefineSection(13,-68.5,56.9,278.); | |
c1637e41 | 137 | // |
8ad31ee5 | 138 | tpc->DefineSection(14,-68.5,60.,278.); |
139 | tpc->DefineSection(15,-64.7,60.,278.); | |
78134e48 | 140 | // |
8ad31ee5 | 141 | tpc->DefineSection(16,-64.7,56.9,278.); |
142 | tpc->DefineSection(17,73.3,56.9,278.); | |
78134e48 | 143 | // |
8ad31ee5 | 144 | tpc->DefineSection(18,73.3,60.1,278.); |
145 | tpc->DefineSection(19,74.0,60.1,278.); | |
4fb9bd37 | 146 | // |
8ad31ee5 | 147 | tpc->DefineSection(20,74.0,60.8,278.); |
148 | tpc->DefineSection(21,253.6,65.5,278.); | |
4fb9bd37 | 149 | // |
8ad31ee5 | 150 | tpc->DefineSection(22,253.6,65.6,278.); |
151 | tpc->DefineSection(23,259.6,65.6,278.); | |
4fb9bd37 | 152 | // |
8ad31ee5 | 153 | tpc->DefineSection(24,259.6,70.0,278.); |
154 | tpc->DefineSection(25,260.,70.0,278.); | |
4fb9bd37 | 155 | // |
8ad31ee5 | 156 | tpc->DefineSection(26,260.,83.1,278.); |
157 | tpc->DefineSection(27,262.1,83.1,278.); | |
158 | // | |
159 | tpc->DefineSection(28,262.1,77.,278); | |
160 | tpc->DefineSection(29,289.6,77.,278.); | |
161 | ||
162 | ||
c1637e41 | 163 | // |
164 | TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air"); | |
165 | TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1); | |
166 | // | |
167 | // drift volume - sensitive volume, extended beyond the | |
168 | // endcaps, because of the alignment | |
169 | // | |
170 | TGeoPcon *dvol = new TGeoPcon(0.,360.,6); | |
171 | dvol->DefineSection(0,-260.,74.5,264.4); | |
172 | dvol->DefineSection(1,-253.6,74.5,264.4); | |
173 | // | |
174 | dvol->DefineSection(2,-253.6,76.6774,258.); | |
175 | dvol->DefineSection(3,253.6,76.6774,258.); | |
176 | // | |
177 | dvol->DefineSection(4,253.6,74.5,264.4); | |
178 | dvol->DefineSection(5,260.,74.5,264.4); | |
179 | // | |
f3d601a5 | 180 | TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-1"); |
c1637e41 | 181 | TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5); |
182 | // | |
183 | // | |
184 | v1->AddNode(v9,1); | |
185 | // | |
186 | // outer insulator | |
187 | // | |
188 | TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator | |
189 | // | |
190 | tpco->DefineSection(0,-256.6,264.8,278.); | |
191 | tpco->DefineSection(1,-253.6,264.8,278.); | |
192 | // | |
193 | tpco->DefineSection(2,-253.6,258.,278.); | |
194 | tpco->DefineSection(3,250.6,258.,278.); | |
195 | // | |
196 | tpco->DefineSection(4,250.6,258.,275.5); | |
197 | tpco->DefineSection(5,253.6,258.,275.5); | |
198 | // | |
199 | TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2"); | |
200 | TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2); | |
201 | // | |
202 | // outer containment vessel | |
203 | // | |
204 | TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel | |
205 | // | |
206 | tocv->DefineSection(0,-256.6,264.8,278.); | |
207 | tocv->DefineSection(1,-253.6,264.8,278.); | |
208 | // | |
209 | tocv->DefineSection(2,-253.6,274.8124,278.); | |
210 | tocv->DefineSection(3,247.6,274.8124,278.); | |
211 | // | |
212 | tocv->DefineSection(4,247.6,270.4,278.); | |
213 | tocv->DefineSection(5,250.6,270.4,278.); | |
214 | // | |
215 | TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al"); | |
216 | TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3); | |
217 | // | |
218 | TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy | |
219 | TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar | |
220 | TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2 | |
221 | TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex | |
222 | // | |
223 | TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy"); | |
224 | TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar"); | |
225 | TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2"); | |
226 | TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex"); | |
227 | // | |
228 | TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1); | |
229 | TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2); | |
230 | TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3); | |
231 | TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4); | |
37831078 | 232 | |
c1637e41 | 233 | //------------------------------------------------------- |
234 | // Tpc Outer Field Cage | |
235 | // daughters - composite (sandwich) | |
236 | //------------------------------------------------------- | |
37831078 | 237 | |
c1637e41 | 238 | TGeoPcon *tofc = new TGeoPcon(0.,360.,6); |
239 | // | |
240 | tofc->DefineSection(0,-253.6,258.,269.6); | |
241 | tofc->DefineSection(1,-250.6,258.,269.6); | |
242 | // | |
243 | tofc->DefineSection(2,-250.6,258.,260.0676); | |
244 | tofc->DefineSection(3,250.6,258.,260.0676); | |
245 | // | |
246 | tofc->DefineSection(4,250.6,258.,275.5); | |
247 | tofc->DefineSection(5,253.6,258.,275.5); | |
248 | // | |
249 | TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3); | |
250 | //sandwich | |
251 | TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar | |
252 | TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3 | |
253 | TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex | |
254 | // | |
255 | TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3"); | |
256 | // | |
257 | TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2); | |
258 | TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5); | |
259 | TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4); | |
260 | // | |
261 | // outer part - positioning | |
262 | // | |
263 | tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1); | |
264 | // | |
265 | tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1); | |
266 | // | |
456cb019 | 267 | v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1); |
c1637e41 | 268 | // |
269 | v2->AddNode(v3,1); v2->AddNode(v4,1); | |
270 | // | |
271 | v1->AddNode(v2,1); | |
272 | //-------------------------------------------------------------------- | |
273 | // Tpc Inner INsulator (CO2) | |
274 | // the cones, the central drum and the inner f.c. sandwich with a piece | |
275 | // of the flane will be placed in the TPC | |
276 | //-------------------------------------------------------------------- | |
277 | TGeoPcon *tpci = new TGeoPcon(0.,360.,4); | |
278 | // | |
279 | tpci->DefineSection(0,-253.6,68.4,76.6774); | |
280 | tpci->DefineSection(1,-74.0,61.2,76.6774); | |
281 | // | |
282 | tpci->DefineSection(2,74.0,61.2,76.6774); | |
283 | // | |
284 | tpci->DefineSection(3,253.6,65.9,76.6774); | |
285 | // | |
286 | TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2); | |
287 | // | |
288 | // now the inner field cage - only part of flanges (2 copies) | |
289 | // | |
290 | TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5); | |
291 | TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3); | |
292 | // | |
293 | //--------------------------------------------------------- | |
294 | // Tpc Inner Containment vessel - Muon side | |
295 | //--------------------------------------------------------- | |
296 | TGeoPcon *tcms = new TGeoPcon(0.,360.,10); | |
297 | // | |
298 | tcms->DefineSection(0,-259.1,68.1,74.2); | |
299 | tcms->DefineSection(1,-253.6,68.1,74.2); | |
300 | // | |
301 | tcms->DefineSection(2,-253.6,68.1,68.4); | |
302 | tcms->DefineSection(3,-74.0,60.9,61.2); | |
303 | // | |
304 | tcms->DefineSection(4,-74.0,60.1,61.2); | |
305 | tcms->DefineSection(5,-73.3,60.1,61.2); | |
306 | // | |
307 | tcms->DefineSection(6,-73.3,56.9,61.2); | |
308 | tcms->DefineSection(7,-73.0,56.9,61.2); | |
309 | // | |
310 | tcms->DefineSection(8,-73.0,56.9,58.8); | |
311 | tcms->DefineSection(9,-71.3,56.9,58.8); | |
312 | // | |
313 | TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3); | |
314 | //----------------------------------------------- | |
315 | // inner containment vessel - shaft side | |
316 | //----------------------------------------------- | |
317 | TGeoPcon *tcss = new TGeoPcon(0.,360.,10); | |
318 | // | |
319 | tcss->DefineSection(0,71.3,56.9,58.8); | |
320 | tcss->DefineSection(1,73.0,56.9,58.8); | |
321 | // | |
322 | tcss->DefineSection(2,73.0,56.9,61.2); | |
323 | tcss->DefineSection(3,73.3,56.9,61.2); | |
324 | // | |
325 | tcss->DefineSection(4,73.3,60.1,61.2); | |
326 | tcss->DefineSection(5,74.0,60.1,61.2); | |
327 | // | |
328 | tcss->DefineSection(6,74.0,60.9,61.2); | |
329 | tcss->DefineSection(7,253.6,65.6,65.9); | |
330 | // | |
331 | tcss->DefineSection(8,253.6,65.6,74.2); | |
332 | tcss->DefineSection(9,258.1,65.6,74.2); | |
333 | // | |
334 | TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3); | |
335 | //----------------------------------------------- | |
336 | // Inner field cage | |
337 | // define 4 parts and make an assembly | |
338 | //----------------------------------------------- | |
339 | // part1 - Al - 2 copies | |
340 | TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75); | |
341 | TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3); | |
342 | // sandwich - outermost parts - 2 copies | |
343 | TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns | |
344 | TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns | |
345 | TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns | |
346 | TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm | |
347 | // | |
348 | TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2); | |
349 | TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3); | |
350 | TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5); | |
351 | TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4); | |
352 | // | |
353 | // middle parts - 2 copies | |
354 | TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns | |
355 | TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns | |
356 | TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns | |
357 | TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm | |
358 | // | |
359 | TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2); | |
360 | TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3); | |
361 | TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5); | |
362 | TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4); | |
363 | // central part - 1 copy | |
364 | TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns | |
365 | TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns | |
366 | TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm | |
367 | // | |
368 | TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2); | |
369 | TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5); | |
370 | TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4); | |
371 | // | |
372 | // inner part - positioning | |
373 | // | |
374 | // creating a sandwich | |
375 | tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1); | |
376 | // | |
377 | tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1); | |
378 | // | |
379 | tv10->AddNode(tv11,1); tv11->AddNode(tv12,1); | |
380 | // | |
381 | TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); | |
382 | // | |
383 | tv100->AddNode(tv10,1); | |
384 | tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); | |
385 | tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); | |
386 | tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); | |
387 | tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925)); | |
388 | tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85)); | |
389 | tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85)); | |
390 | // | |
391 | v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1)); | |
392 | v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1)); | |
393 | v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1); | |
394 | v9->AddNode(tv100,1); | |
395 | // | |
396 | // central drum | |
397 | // | |
398 | // flange + sandwich | |
399 | // | |
400 | TGeoPcon *cfl = new TGeoPcon(0.,360.,6); | |
401 | cfl->DefineSection(0,-71.1,59.7,61.2); | |
402 | cfl->DefineSection(1,-68.6,59.7,61.2); | |
403 | // | |
404 | cfl->DefineSection(2,-68.6,60.6324,61.2); | |
405 | cfl->DefineSection(3,68.6,60.6324,61.2); | |
406 | // | |
407 | cfl->DefineSection(4,68.6,59.7,61.2); | |
408 | cfl->DefineSection(5,71.1,59.7,61.2); | |
409 | // | |
410 | TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3); | |
411 | // sandwich | |
412 | TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1); | |
413 | TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1); | |
414 | TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1); | |
415 | // | |
416 | TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1"); | |
417 | TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar | |
418 | TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1 | |
419 | TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm4); //nomex | |
420 | // | |
421 | // seals for central drum 2 copies | |
422 | // | |
423 | TGeoTube *cs = new TGeoTube(56.9,61.2,0.1); | |
424 | TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar"); | |
425 | TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7); | |
78134e48 | 426 | v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2)); |
427 | v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2)); | |
c1637e41 | 428 | // |
429 | // seal collars | |
430 | TGeoPcon *se = new TGeoPcon(0.,360.,6); | |
431 | se->DefineSection(0,-72.8,59.7,61.2); | |
432 | se->DefineSection(1,-72.3,59.7,61.2); | |
433 | // | |
434 | se->DefineSection(2,-72.3,58.85,61.2); | |
435 | se->DefineSection(3,-71.6,58.85,61.2); | |
436 | // | |
437 | se->DefineSection(4,-71.6,59.7,61.2); | |
438 | se->DefineSection(5,-71.3,59.7,61.2); | |
439 | // | |
440 | TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3); | |
441 | // | |
442 | TGeoTube *si = new TGeoTube(56.9,58.8,1.); | |
443 | TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3); | |
444 | // | |
445 | // define reflection matrix | |
446 | // | |
4fa47888 | 447 | TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.); |
c1637e41 | 448 | // |
449 | cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1); | |
450 | // | |
a1ec4d07 | 451 | v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9)); |
452 | v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9)); | |
c1637e41 | 453 | v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1); |
454 | // | |
455 | // central membrane - 2 rings and a mylar membrane - assembly | |
456 | // | |
457 | TGeoTube *ih = new TGeoTube(81.05,84.05,0.3); | |
458 | TGeoTube *oh = new TGeoTube(250.,256.,.5); | |
459 | TGeoTube *mem = new TGeoTube(84.05,250,0.01); | |
460 | TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3); | |
461 | TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3); | |
462 | TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7); | |
463 | // | |
464 | TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM"); | |
465 | cm->AddNode(ihv,1); | |
466 | cm->AddNode(ohv,1); | |
467 | cm->AddNode(memv,1); | |
468 | v9->AddNode(cm,1); | |
469 | // | |
470 | // end caps - they are make as an assembly of single segments | |
471 | // containing both readout chambers | |
472 | // | |
d899e254 | 473 | Double_t openingAngle = 10.*TMath::DegToRad(); |
c1637e41 | 474 | Double_t thick=1.5; // rib |
d899e254 | 475 | Double_t shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 476 | // |
d899e254 | 477 | Double_t lowEdge = 86.3; // hole in the wheel |
478 | Double_t upEdge = 240.4; // hole in the wheel | |
c1637e41 | 479 | // |
480 | new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.); | |
481 | // | |
482 | TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4); | |
483 | // | |
d899e254 | 484 | hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift); |
485 | hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift); | |
c1637e41 | 486 | // |
d899e254 | 487 | hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift); |
488 | hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift); | |
c1637e41 | 489 | // |
d899e254 | 490 | Double_t ys = shift*TMath::Sin(openingAngle); |
491 | Double_t xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 492 | TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.); |
493 | tr->RegisterYourself(); | |
494 | TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr"); | |
495 | TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3); | |
496 | TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2); | |
497 | bar->DefineSection(0,-3.,131.5-shift,136.5-shift); | |
498 | bar->DefineSection(1,1.5,131.5-shift,136.5-shift); | |
499 | TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3); | |
500 | TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment | |
501 | // | |
502 | ch->AddNode(sv,1); ch->AddNode(barv,1,tr); | |
503 | // | |
504 | // readout chambers | |
505 | // | |
506 | // IROC first | |
507 | // | |
508 | TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15); | |
509 | TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3); | |
510 | // empty space | |
511 | TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65); | |
512 | TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1); | |
513 | ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.)); | |
514 | //bars | |
515 | Double_t tga = (19.8328-12.3742)/39.3; | |
516 | Double_t xmin,xmax; | |
517 | xmin = 9.55*tga+12.3742; | |
518 | xmax = 9.95*tga+12.3742; | |
519 | TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
520 | TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3); | |
521 | empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9)); | |
522 | xmin=19.4*tga+12.3742; | |
523 | xmax=19.9*tga+12.3742; | |
524 | TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25); | |
525 | TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3); | |
526 | empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.)); | |
527 | xmin=29.35*tga+12.3742; | |
528 | xmax=29.75*tga+12.3742; | |
529 | TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
530 | TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3); | |
531 | empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9)); | |
532 | // | |
533 | // holes for connectors | |
534 | // | |
535 | TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc | |
536 | TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1); | |
d9e80aca | 537 | TString fileName(gSystem->Getenv("ALICE_ROOT")); |
538 | fileName += "/TPC/conn_iroc.dat"; | |
c1637e41 | 539 | ifstream in; |
d9e80aca | 540 | in.open(fileName.Data(), ios_base::in); // asci file |
c1637e41 | 541 | for(Int_t i =0;i<86;i++){ |
456cb019 | 542 | Double_t y = 3.99; |
c1637e41 | 543 | Double_t x,z,ang; |
544 | in>>x>>z>>ang; | |
456cb019 | 545 | z-=26.5; |
c1637e41 | 546 | TGeoRotation *rrr = new TGeoRotation(); |
547 | rrr->RotateY(ang); | |
548 | TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr); | |
549 | ibdv->AddNode(connv,i+1,trans); | |
550 | } | |
551 | in.close(); | |
552 | // "cap" | |
553 | new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825); | |
554 | // "hole" | |
555 | new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15); | |
556 | TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725); | |
557 | tr1->RegisterYourself(); | |
558 | TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1"); | |
559 | TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3); | |
560 | // | |
561 | // pad plane and wire fixations | |
562 | // | |
563 | TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso | |
564 | TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10"); | |
565 | TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4); | |
566 | TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.); | |
567 | TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4); | |
568 | TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.); | |
569 | TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4); | |
570 | // | |
571 | TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC"); | |
572 | // | |
573 | iroc->AddNode(ibdv,1); | |
574 | iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725)); | |
575 | iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725)); | |
576 | tga =(23.3521-14.5974)/49.65; | |
577 | Double_t xx = 24.825*tga+14.5974-0.6; | |
578 | iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725)); | |
579 | iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725)); | |
580 | // | |
581 | // OROC | |
582 | // | |
583 | TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65); | |
584 | TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3); | |
585 | TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65); | |
586 | TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1); | |
587 | obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.)); | |
588 | //horizontal bars | |
589 | tga=(38.5084-20.2938)/99.3; | |
590 | xmin=tga*10.2+20.2938; | |
591 | xmax=tga*10.6+20.2938; | |
592 | TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
593 | TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3); | |
594 | // | |
595 | xmin=22.55*tga+20.2938; | |
596 | xmax=24.15*tga+20.2938; | |
597 | TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
598 | TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3); | |
599 | // | |
600 | xmin=36.1*tga+20.2938; | |
601 | xmax=36.5*tga+20.2938; | |
602 | TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
603 | TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3); | |
604 | // | |
605 | xmin=49.0*tga+20.2938; | |
606 | xmax=50.6*tga+20.2938; | |
607 | TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
608 | TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3); | |
609 | // | |
610 | xmin=63.6*tga+20.2938; | |
611 | xmax=64.0*tga+20.2938; | |
612 | TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
613 | TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3); | |
614 | // | |
615 | xmin=75.5*tga+20.2938; | |
616 | xmax=77.15*tga+20.2938; | |
617 | TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
618 | TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3); | |
619 | // | |
620 | xmin=88.7*tga+20.2938; | |
621 | xmax=89.1*tga+20.2938; | |
622 | TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
623 | TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3); | |
624 | // | |
625 | oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25)); | |
626 | oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3)); | |
627 | oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35)); | |
628 | oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15)); | |
629 | oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15)); | |
630 | oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7)); | |
631 | oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25)); | |
632 | // vertical bars | |
633 | TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1); | |
634 | TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975); | |
635 | TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775); | |
636 | TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25); | |
637 | TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5); | |
638 | // | |
639 | TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3); | |
640 | TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3); | |
641 | TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3); | |
642 | TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3); | |
643 | TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3); | |
644 | // | |
645 | oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55)); | |
646 | oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55)); | |
647 | oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075)); | |
648 | oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525)); | |
649 | oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125)); | |
650 | oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275)); | |
651 | oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9)); | |
652 | oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45)); | |
653 | // | |
654 | // holes for connectors | |
655 | // | |
d9e80aca | 656 | fileName = gSystem->Getenv("ALICE_ROOT"); |
657 | fileName += "/TPC/conn_oroc.dat"; | |
658 | in.open(fileName.Data(), ios_base::in); // asci file | |
c1637e41 | 659 | for(Int_t i =0;i<78;i++){ |
660 | Double_t y =3.89; | |
661 | Double_t x,z,ang; | |
662 | Double_t x1,z1,x2,z2; | |
663 | in>>x>>z>>ang; | |
664 | Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad()); | |
665 | Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad()); | |
666 | // | |
667 | x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z; | |
668 | // | |
669 | TGeoRotation *rr = new TGeoRotation(); | |
670 | rr->RotateY(ang); | |
671 | z1-=54.95; | |
672 | z2-=54.95; | |
673 | TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr); | |
674 | TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr); | |
675 | obdv->AddNode(connv,i+1,trans1); | |
676 | obdv->AddNode(connv,i+79,trans2); | |
677 | } | |
678 | in.close(); | |
679 | // cap | |
680 | new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1); | |
681 | new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65); | |
682 | TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15); | |
683 | tr5->RegisterYourself(); | |
684 | TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5"); | |
685 | TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3); | |
686 | // | |
687 | // pad plane and wire fixations | |
688 | // | |
689 | TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1); | |
690 | TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4); | |
691 | // | |
692 | tga=(43.5239-23.3874)/114.2; | |
693 | TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.); | |
694 | TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.); | |
695 | xx = 57.1*tga+23.3874-0.7; | |
696 | TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4); | |
697 | TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4); | |
698 | // | |
699 | TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC"); | |
700 | // | |
701 | oroc->AddNode(obdv,1); | |
702 | oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15)); | |
703 | oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15)); | |
704 | oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15)); | |
705 | oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15)); | |
706 | // | |
707 | // now iroc and oroc are placed into a sector... | |
708 | // | |
a1ec4d07 | 709 | TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side |
710 | TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side | |
c1637e41 | 711 | TGeoRotation rot1("rot1",90.,90.,0.); |
712 | TGeoRotation rot2("rot2"); | |
713 | rot2.RotateY(10.); | |
714 | TGeoRotation *rot = new TGeoRotation("rot"); | |
715 | *rot=rot1*rot2; | |
716 | // | |
717 | Double_t x0,y0; | |
d899e254 | 718 | x0=110.2*TMath::Cos(openingAngle); |
719 | y0=110.2*TMath::Sin(openingAngle); | |
20527578 | 720 | TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side |
721 | TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side | |
d899e254 | 722 | x0=188.45*TMath::Cos(openingAngle); |
723 | y0=188.45*TMath::Sin(openingAngle); | |
20527578 | 724 | TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side |
725 | TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side | |
c1637e41 | 726 | // |
a1ec4d07 | 727 | // A-side |
c1637e41 | 728 | // |
a1ec4d07 | 729 | secta->AddNode(ch,1); |
730 | secta->AddNode(iroc,1,combi1a); | |
731 | secta->AddNode(oroc,1,combi2a); | |
c1637e41 | 732 | // |
a1ec4d07 | 733 | // C-side |
734 | // | |
735 | sectc->AddNode(ch,1); | |
736 | sectc->AddNode(iroc,1,combi1c); | |
737 | sectc->AddNode(oroc,1,combi2c); | |
738 | // | |
739 | // now I try to make wheels... | |
740 | // | |
741 | TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
742 | TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
c1637e41 | 743 | // |
744 | for(Int_t i =0;i<18;i++){ | |
745 | Double_t phi = (20.*i); | |
746 | TGeoRotation *r = new TGeoRotation(); | |
747 | r->RotateZ(phi); | |
a1ec4d07 | 748 | wheela->AddNode(secta,i+1,r); |
749 | wheelc->AddNode(sectc,i+1,r); | |
79575d04 | 750 | |
c1637e41 | 751 | } |
752 | // wheels in the drift volume! | |
c1637e41 | 753 | TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref); |
a1ec4d07 | 754 | v9->AddNode(wheela,1,combi3); |
755 | v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6)); | |
c1637e41 | 756 | |
757 | //_____________________________________________________________ | |
758 | // service support wheel | |
759 | //_____________________________________________________________ | |
760 | TGeoPgon *sw = new TGeoPgon(0.,20.,1,2); | |
761 | sw->DefineSection(0,-4.,80.5,251.75); | |
762 | sw->DefineSection(1,4.,80.5,251.75); | |
763 | TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al | |
764 | // | |
765 | thick=1.; | |
d899e254 | 766 | shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 767 | TGeoPgon *sh = new TGeoPgon(0.,20.,1,2); |
768 | sh->DefineSection(0,-4.,81.5-shift,250.75-shift); | |
769 | sh->DefineSection(1,4.,81.5-shift,250.75-shift); | |
770 | TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air | |
771 | // | |
74518339 | 772 | TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si"); |
773 | TGeoPgon *el = new TGeoPgon(0.,20.,1,2); | |
774 | el->DefineSection(0,-1.872,81.5-shift,250.75-shift); | |
775 | el->DefineSection(1,1.872,81.5-shift,250.75-shift); | |
776 | TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si | |
777 | // | |
778 | shv->AddNode(elv,1); | |
779 | // | |
780 | // | |
d899e254 | 781 | ys = shift*TMath::Sin(openingAngle); |
782 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 783 | swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.)); |
784 | // cover | |
785 | TGeoPgon *co = new TGeoPgon(0.,20.,1,2); | |
786 | co->DefineSection(0,-0.5,77.,255.25); | |
787 | co->DefineSection(1,0.5,77.,255.25); | |
788 | TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al | |
789 | // hole in a cover | |
790 | TGeoPgon *coh = new TGeoPgon(0.,20.,1,2); | |
d899e254 | 791 | shift=4./TMath::Sin(openingAngle); |
c1637e41 | 792 | coh->DefineSection(0,-0.5,85.-shift,247.25-shift); |
793 | coh->DefineSection(1,0.5,85.-shift,247.25-shift); | |
794 | // | |
795 | TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1); | |
796 | // | |
d899e254 | 797 | ys = shift*TMath::Sin(openingAngle); |
798 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 799 | cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.)); |
800 | // | |
801 | // Sector as an Assembly | |
802 | // | |
803 | TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC"); | |
804 | swhs->AddNode(swv,1); | |
805 | swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5)); | |
806 | swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5)); | |
807 | // | |
808 | // SSW as an Assembly of sectors | |
809 | // | |
810 | TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL"); | |
811 | for(Int_t i =0;i<18;i++){ | |
812 | Double_t phi = (20.*i); | |
813 | TGeoRotation *r = new TGeoRotation(); | |
814 | r->RotateZ(phi); | |
815 | swheel->AddNode(swhs,i+1,r); | |
816 | } | |
817 | v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6)); | |
818 | v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6)); | |
819 | ||
820 | // sensitive strips | |
f3d601a5 | 821 | TGeoMedium *m8 = gGeoManager->GetMedium("TPC_Ne-CO2-2"); |
c1637e41 | 822 | Int_t totrows; |
823 | totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp(); | |
824 | Double_t *upar; | |
825 | upar=NULL; | |
826 | gGeoManager->Volume("TPC_Strip","PGON",m8->GetId(),upar); | |
827 | upar=new Double_t [10]; | |
828 | upar[0]=0.; | |
829 | upar[1]=360.; | |
830 | upar[2]=18.; | |
831 | upar[3]=2.; | |
832 | // | |
833 | upar[4]=-124.8; | |
834 | upar[7]=124.8; | |
835 | ||
836 | Double_t rlow=fTPCParam->GetPadRowRadiiLow(0); | |
837 | ||
838 | upar[5]=rlow; | |
839 | upar[6]=rlow+.01; | |
840 | upar[8]=upar[5]; | |
841 | upar[9]=upar[6]; | |
842 | // | |
843 | gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
844 | gGeoManager->Node("TPC_Strip",totrows+1, | |
845 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
846 | // | |
847 | // now, strips | |
848 | // | |
849 | //lower sectors | |
850 | for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){ | |
851 | rlow=fTPCParam->GetPadRowRadiiLow(i-1); | |
852 | upar[5]=rlow; | |
853 | upar[6]=rlow+.01; | |
854 | upar[8]=upar[5]; | |
855 | upar[9]=upar[6]; | |
856 | gGeoManager->Node("TPC_Strip",i, | |
857 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
858 | gGeoManager->Node("TPC_Strip",totrows+i, | |
859 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
860 | } | |
861 | //upper sectors | |
862 | for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){ | |
863 | rlow=fTPCParam->GetPadRowRadiiUp(i-1); | |
864 | upar[5]=rlow; | |
865 | upar[6]=rlow+.01; | |
866 | upar[8]=upar[5]; | |
867 | upar[9]=upar[6]; | |
868 | gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(), | |
869 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
870 | gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(), | |
871 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
872 | } | |
873 | ||
37831078 | 874 | //---------------------------------------------------------- |
c1637e41 | 875 | // TPc Support Rods - MAKROLON |
37831078 | 876 | //---------------------------------------------------------- |
c1637e41 | 877 | TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon"); |
878 | TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu"); | |
78134e48 | 879 | TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina"); |
880 | TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek"); | |
881 | TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water"); | |
c1637e41 | 882 | // upper and lower rods differ in length! |
883 | delete [] upar; | |
884 | upar=NULL; | |
885 | gGeoManager->Volume("TPC_Rod","TUBE",m6->GetId(),upar); | |
886 | upar=new Double_t [3]; | |
887 | upar[0]=1.8; | |
888 | upar[1]=2.2; | |
889 | ||
79575d04 | 890 | // |
c1637e41 | 891 | //HV rods - makrolon + 0.58cm (diameter) Cu |
ae4806ca | 892 | TGeoTube *hvr = new TGeoTube(0.,2.2,126.64); |
c1637e41 | 893 | TGeoTube *hvc = new TGeoTube(0.,0.29,126.64); |
894 | // | |
895 | TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6); | |
896 | TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7); | |
897 | hvrv->AddNode(hvcv,1); | |
78134e48 | 898 | // |
899 | // resistor rods | |
900 | // | |
901 | TGeoTube *cri = new TGeoTube(0.,0.45,126.64); //inner | |
902 | TGeoTube *cro = new TGeoTube(0.,0.45,126.54); //outer | |
903 | TGeoTube *cwi = new TGeoTube(0.,0.15,126.64); // water inner | |
904 | TGeoTube *cwo = new TGeoTube(0.,0.15,126.54); // water outer | |
905 | // | |
906 | TGeoVolume *criv = new TGeoVolume("TPC_CR_I",cri,m10); | |
907 | TGeoVolume *crov = new TGeoVolume("TPC_CR_O",cro,m10); | |
908 | TGeoVolume *cwiv = new TGeoVolume("TPC_W_I",cwi,m11); | |
909 | TGeoVolume *cwov = new TGeoVolume("TPC_W_O",cwo,m11); | |
910 | // | |
911 | // ceramic rod with water | |
912 | // | |
913 | criv->AddNode(cwiv,1); | |
914 | crov->AddNode(cwov,1); | |
915 | // | |
916 | TGeoTube *pri =new TGeoTube(0.2,0.35,126.64); //inner | |
917 | TGeoTube *pro = new TGeoTube(0.2,0.35,126.54); //outer | |
918 | // | |
919 | // peek rod | |
920 | // | |
921 | TGeoVolume *priv = new TGeoVolume("TPC_PR_I",pri,m12); | |
922 | TGeoVolume *prov = new TGeoVolume("TPC_PR_O",pro,m12); | |
923 | // | |
924 | // resistor rods assembly | |
925 | // | |
be53328e | 926 | TGeoRotation *rotr = new TGeoRotation("rotr"); |
927 | rotr->RotateZ(-21.); | |
78134e48 | 928 | // |
929 | TGeoTube *rri = new TGeoTube(1.8,2.2,126.64);//inner | |
930 | TGeoTube *rro = new TGeoTube(1.8,2.2,126.54);//inner | |
931 | // | |
932 | TGeoVolume *rriv = new TGeoVolume("TPC_RR_I",rri,m6); | |
933 | TGeoVolume *rrov = new TGeoVolume("TPC_RR_O",rro,m6); | |
934 | // | |
935 | // | |
a3d2be59 | 936 | TGeoVolumeAssembly *rrin = new TGeoVolumeAssembly("TPC_RROD_I"); |
937 | TGeoVolumeAssembly *rrou = new TGeoVolumeAssembly("TPC_RROD_O"); | |
938 | rrin->AddNode(rriv,1); | |
939 | rrin->AddNode(criv,1,new TGeoTranslation(0.5,0.866, 0.)); | |
940 | rrin->AddNode(criv,2,new TGeoTranslation(0.5,-0.866, 0.)); | |
941 | rrin->AddNode(priv,1); | |
942 | // | |
943 | rrou->AddNode(rrov,1); | |
944 | rrou->AddNode(crov,1,new TGeoTranslation(0.5,0.866, 0.)); | |
945 | rrou->AddNode(crov,2,new TGeoTranslation(0.5,-0.866, 0.)); | |
946 | rrou->AddNode(prov,1); | |
7281dc07 | 947 | for(Int_t i=0;i<18;i++){ |
c1637e41 | 948 | Double_t angle,x,y; |
949 | Double_t z,r; | |
950 | angle=TMath::DegToRad()*20.*(Double_t)i; | |
951 | r=81.5; | |
952 | x=r * TMath::Cos(angle); | |
953 | y=r * TMath::Sin(angle); | |
954 | upar[2]=126.64; //lower | |
955 | z= 126.96; | |
78134e48 | 956 | if(i==3){ |
be53328e | 957 | v9->AddNode(rrin,1,new TGeoCombiTrans(x,y,z,rotr)); //A |
958 | v9->AddNode(rrin,2,new TGeoCombiTrans(x,y,-z,rotr)); //C | |
78134e48 | 959 | } |
960 | else { | |
961 | gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft | |
962 | gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon | |
c1637e41 | 963 | } |
78134e48 | 964 | |
965 | // | |
c1637e41 | 966 | r=254.25; |
967 | x=r * TMath::Cos(angle); | |
968 | y=r * TMath::Sin(angle); | |
969 | upar[2]=126.54; //upper | |
970 | z=127.06; | |
78134e48 | 971 | // |
972 | if(i==15){ | |
5042ab7d | 973 | //v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only |
974 | v9->AddNode(hvrv,1,new TGeoTranslation(x,y,127.14));//A-side only | |
78134e48 | 975 | gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3); |
976 | } | |
977 | else if(i==11){ | |
be53328e | 978 | v9->AddNode(rrou,1,new TGeoCombiTrans(x,y,z,rotr)); //A |
979 | v9->AddNode(rrou,2,new TGeoCombiTrans(x,y,-z,rotr)); //C | |
78134e48 | 980 | } |
981 | else{ | |
982 | // | |
983 | gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3); | |
984 | gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3); | |
985 | } | |
c1637e41 | 986 | gGeoManager->Node("TPC_Rod",i+36,"TPC_Drift",x,y,z,0,kTRUE,upar,3); |
987 | gGeoManager->Node("TPC_Rod",i+54,"TPC_Drift",x,y,-z,0,kTRUE,upar,3); | |
988 | } | |
79575d04 | 989 | |
bde68ab0 | 990 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); |
991 | alice->AddNode(v1,1); | |
37831078 | 992 | |
993 | } // end of function | |
994 | ||
37831078 | 995 | |
996 | //_____________________________________________________________________________ | |
997 | void AliTPCv1::CreateMaterials() | |
998 | { | |
999 | // | |
1000 | // Define materials for Time Projection Chamber | |
1001 | // | |
1002 | AliTPC::CreateMaterials(); | |
1003 | } | |
1004 | ||
1005 | //_____________________________________________________________________________ | |
1006 | void AliTPCv1::Init() | |
fe4da5cc | 1007 | { |
1008 | // | |
1009 | // Initialises TPC detector after it has been created | |
1010 | // | |
cfce8870 | 1011 | |
c1637e41 | 1012 | fIdSens=gMC->VolId("TPC_Strip"); // sensitive strip |
fe4da5cc | 1013 | |
13a8c8d7 | 1014 | printf("%s: *** TPC version 1 initialized***\n",ClassName()); |
1015 | ||
1016 | // printf("TPC version 1 initialized\n"); | |
fe4da5cc | 1017 | } |
1018 | ||
1019 | //_____________________________________________________________________________ | |
1020 | void AliTPCv1::StepManager() | |
1021 | { | |
1022 | // | |
1023 | // Called at every step in the Time Projection Chamber | |
1024 | // | |
0a6d8768 | 1025 | Int_t copy, id, i; |
e61fd20d | 1026 | Float_t hits[5]; |
fe4da5cc | 1027 | Int_t vol[2]; |
0a6d8768 | 1028 | TLorentzVector p; |
6a905708 | 1029 | // |
1283eee5 | 1030 | |
c1637e41 | 1031 | id = gMC->CurrentVolID(copy); |
1032 | if(id!=fIdSens) return; | |
0a6d8768 | 1033 | if(gMC->TrackCharge() && gMC->IsTrackEntering()) { |
37831078 | 1034 | |
1035 | // | |
1036 | // Only charged tracks entering the sensitive volume | |
fe4da5cc | 1037 | // |
37831078 | 1038 | |
c1637e41 | 1039 | gMC->TrackPosition(p); |
1040 | Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1041 | // | |
1042 | ||
1043 | // | |
1044 | Double_t angle = TMath::ACos(p[0]/r); | |
1045 | angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle; | |
1046 | // | |
1047 | // angular segment, it is not a real sector number... | |
1048 | // | |
1049 | Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/ | |
1050 | fTPCParam->GetInnerAngle()); | |
1051 | // rotate to segment "0" | |
1052 | Float_t cos,sin; | |
1053 | fTPCParam->AdjustCosSin(sector,cos,sin); | |
1054 | Float_t x1 = p[0]*cos + p[1]*sin; | |
1055 | Float_t y1 = TMath::Abs(-p[0]*sin + p[1]*cos); | |
1056 | // calculate real sector number... | |
1057 | if (x1>fTPCParam->GetOuterRadiusLow()){ | |
1058 | sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/ | |
1059 | fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector(); | |
1060 | if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1); | |
1061 | } | |
1062 | else | |
1063 | if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1); | |
1064 | // | |
1065 | // here I have a sector number | |
1066 | // | |
1067 | vol[0]=sector; | |
1068 | // | |
1069 | Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp(); | |
1070 | vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows; | |
1071 | // row numbers are autonomous for lower and upper sectors | |
1072 | if(vol[0] > fTPCParam->GetNInnerSector()) { | |
1073 | vol[1] -= fTPCParam->GetNRowLow(); | |
1074 | } | |
1075 | Double_t range = (sector<36) ? fTPCParam->GetYInner(vol[1]) : | |
1076 | fTPCParam->GetYOuter(vol[1]); | |
1077 | if(y1>range) return; | |
1078 | if(vol[1] == 0){ | |
37831078 | 1079 | |
1080 | // because Jouri wants to have this | |
1081 | ||
1082 | gMC->TrackMomentum(p); | |
1083 | hits[0]=p[0]; | |
1084 | hits[1]=p[1]; | |
1085 | hits[2]=p[2]; | |
1086 | hits[3]=0.; // this hit has no energy loss | |
e61fd20d | 1087 | // Get also the track time for pileup simulation |
1088 | hits[4]=gMC->TrackTime(); | |
1089 | ||
c1637e41 | 1090 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I. |
1091 | } | |
1092 | gMC->TrackPosition(p); | |
37831078 | 1093 | for(i=0;i<3;++i) hits[i]=p[i]; |
1094 | hits[3]=1; //I'd like to have something positive here (I.Belikov) | |
e61fd20d | 1095 | // Get also the track time for pileup simulation |
1096 | hits[4]=gMC->TrackTime(); | |
1097 | ||
c1637e41 | 1098 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I. |
37831078 | 1099 | |
c1637e41 | 1100 | }// track entering sensitive strip |
37831078 | 1101 | |
fe4da5cc | 1102 | } |
37831078 | 1103 | //_____________________________________________________________________________ |
1283eee5 | 1104 | |
1105 | ||
1106 |