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Added some extra scripts.
[u/mrichter/AliRoot.git] / TPC / AliTPCv1.cxx
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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"
56ClassImp(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//_____________________________________________________________________________
68AliTPCv1::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//_____________________________________________________________________________
83void 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 //
4fb9bd37 115 TGeoPcon *tpc = new TGeoPcon(0.,360.,28); //28 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.);
4fb9bd37 121 tpc->DefineSection(3,-262.1,77.,278.);
c1637e41 122 //
4fb9bd37 123 tpc->DefineSection(4,-262.1,83.1,278.);
124 tpc->DefineSection(5,-260.,83.1,278.);
c1637e41 125 //
4fb9bd37 126 tpc->DefineSection(6,-260.,70.,278.);
127 tpc->DefineSection(7,-259.6,70.,278.);
c1637e41 128 //
4fb9bd37 129 tpc->DefineSection(8,-259.6,68.1,278.);
130 tpc->DefineSection(9,-253.6,68.1,278.);
c1637e41 131 //
4fb9bd37 132 tpc->DefineSection(10,-253.6,68.,278.);
133 tpc->DefineSection(11,-74.0,60.8,278.);
c1637e41 134 //
4fb9bd37 135 tpc->DefineSection(12,-74.0,60.1,278.);
136 tpc->DefineSection(13,-73.3,60.1,278.);
c1637e41 137 //
4fb9bd37 138 tpc->DefineSection(14,-73.3,56.9,278.);
139 tpc->DefineSection(15,-68.5,56.9,278.);
78134e48 140 //
4fb9bd37 141 tpc->DefineSection(16,-68.5,60.,278.);
142 tpc->DefineSection(17,-65.,60.,278.);
78134e48 143 //
4fb9bd37 144 tpc->DefineSection(18,-65.,56.9,278.);
145 tpc->DefineSection(19,73.3,56.9,278.);
146 //
147 tpc->DefineSection(20,73.3,60.1,278.);
148 tpc->DefineSection(21,74.0,60.1,278.);
149 //
150 tpc->DefineSection(22,74.0,60.8,278.);
151 tpc->DefineSection(23,253.6,65.5,278.);
152 //
153 tpc->DefineSection(24,253.6,65.6,278.);
154 tpc->DefineSection(25,259.6,65.6,278.);
155 //
156 tpc->DefineSection(26,259.6,70.0,278.);
157 tpc->DefineSection(27,291.,77.,278.);
c1637e41 158 //
159 TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
160 TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
161 //
162 // drift volume - sensitive volume, extended beyond the
163 // endcaps, because of the alignment
164 //
165 TGeoPcon *dvol = new TGeoPcon(0.,360.,6);
166 dvol->DefineSection(0,-260.,74.5,264.4);
167 dvol->DefineSection(1,-253.6,74.5,264.4);
168 //
169 dvol->DefineSection(2,-253.6,76.6774,258.);
170 dvol->DefineSection(3,253.6,76.6774,258.);
171 //
172 dvol->DefineSection(4,253.6,74.5,264.4);
173 dvol->DefineSection(5,260.,74.5,264.4);
174 //
f3d601a5 175 TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-1");
c1637e41 176 TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
177 //
178 //
179 v1->AddNode(v9,1);
180 //
181 // outer insulator
182 //
183 TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator
184 //
185 tpco->DefineSection(0,-256.6,264.8,278.);
186 tpco->DefineSection(1,-253.6,264.8,278.);
187 //
188 tpco->DefineSection(2,-253.6,258.,278.);
189 tpco->DefineSection(3,250.6,258.,278.);
190 //
191 tpco->DefineSection(4,250.6,258.,275.5);
192 tpco->DefineSection(5,253.6,258.,275.5);
193 //
194 TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
195 TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
196 //
197 // outer containment vessel
198 //
199 TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
200 //
201 tocv->DefineSection(0,-256.6,264.8,278.);
202 tocv->DefineSection(1,-253.6,264.8,278.);
203 //
204 tocv->DefineSection(2,-253.6,274.8124,278.);
205 tocv->DefineSection(3,247.6,274.8124,278.);
206 //
207 tocv->DefineSection(4,247.6,270.4,278.);
208 tocv->DefineSection(5,250.6,270.4,278.);
209 //
210 TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al");
211 TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3);
212 //
213 TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy
214 TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar
215 TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2
216 TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex
217 //
218 TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
219 TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
220 TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2");
221 TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex");
222 //
223 TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1);
224 TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
225 TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
226 TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
37831078 227
c1637e41 228 //-------------------------------------------------------
229 // Tpc Outer Field Cage
230 // daughters - composite (sandwich)
231 //-------------------------------------------------------
37831078 232
c1637e41 233 TGeoPcon *tofc = new TGeoPcon(0.,360.,6);
234 //
235 tofc->DefineSection(0,-253.6,258.,269.6);
236 tofc->DefineSection(1,-250.6,258.,269.6);
237 //
238 tofc->DefineSection(2,-250.6,258.,260.0676);
239 tofc->DefineSection(3,250.6,258.,260.0676);
240 //
241 tofc->DefineSection(4,250.6,258.,275.5);
242 tofc->DefineSection(5,253.6,258.,275.5);
243 //
244 TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3);
245 //sandwich
246 TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar
247 TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3
248 TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex
249 //
250 TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3");
251 //
252 TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2);
253 TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5);
254 TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4);
255 //
256 // outer part - positioning
257 //
258 tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);
259 //
260 tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);
261 //
456cb019 262 v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1);
c1637e41 263 //
264 v2->AddNode(v3,1); v2->AddNode(v4,1);
265 //
266 v1->AddNode(v2,1);
267 //--------------------------------------------------------------------
268 // Tpc Inner INsulator (CO2)
269 // the cones, the central drum and the inner f.c. sandwich with a piece
270 // of the flane will be placed in the TPC
271 //--------------------------------------------------------------------
272 TGeoPcon *tpci = new TGeoPcon(0.,360.,4);
273 //
274 tpci->DefineSection(0,-253.6,68.4,76.6774);
275 tpci->DefineSection(1,-74.0,61.2,76.6774);
276 //
277 tpci->DefineSection(2,74.0,61.2,76.6774);
278 //
279 tpci->DefineSection(3,253.6,65.9,76.6774);
280 //
281 TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2);
282 //
283 // now the inner field cage - only part of flanges (2 copies)
284 //
285 TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5);
286 TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3);
287 //
288 //---------------------------------------------------------
289 // Tpc Inner Containment vessel - Muon side
290 //---------------------------------------------------------
291 TGeoPcon *tcms = new TGeoPcon(0.,360.,10);
292 //
293 tcms->DefineSection(0,-259.1,68.1,74.2);
294 tcms->DefineSection(1,-253.6,68.1,74.2);
295 //
296 tcms->DefineSection(2,-253.6,68.1,68.4);
297 tcms->DefineSection(3,-74.0,60.9,61.2);
298 //
299 tcms->DefineSection(4,-74.0,60.1,61.2);
300 tcms->DefineSection(5,-73.3,60.1,61.2);
301 //
302 tcms->DefineSection(6,-73.3,56.9,61.2);
303 tcms->DefineSection(7,-73.0,56.9,61.2);
304 //
305 tcms->DefineSection(8,-73.0,56.9,58.8);
306 tcms->DefineSection(9,-71.3,56.9,58.8);
307 //
308 TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3);
309 //-----------------------------------------------
310 // inner containment vessel - shaft side
311 //-----------------------------------------------
312 TGeoPcon *tcss = new TGeoPcon(0.,360.,10);
313 //
314 tcss->DefineSection(0,71.3,56.9,58.8);
315 tcss->DefineSection(1,73.0,56.9,58.8);
316 //
317 tcss->DefineSection(2,73.0,56.9,61.2);
318 tcss->DefineSection(3,73.3,56.9,61.2);
319 //
320 tcss->DefineSection(4,73.3,60.1,61.2);
321 tcss->DefineSection(5,74.0,60.1,61.2);
322 //
323 tcss->DefineSection(6,74.0,60.9,61.2);
324 tcss->DefineSection(7,253.6,65.6,65.9);
325 //
326 tcss->DefineSection(8,253.6,65.6,74.2);
327 tcss->DefineSection(9,258.1,65.6,74.2);
328 //
329 TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3);
330 //-----------------------------------------------
331 // Inner field cage
332 // define 4 parts and make an assembly
333 //-----------------------------------------------
334 // part1 - Al - 2 copies
335 TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75);
336 TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3);
337 // sandwich - outermost parts - 2 copies
338 TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns
339 TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns
340 TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns
341 TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm
342 //
343 TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2);
344 TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3);
345 TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5);
346 TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4);
347 //
348 // middle parts - 2 copies
349 TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns
350 TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns
351 TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns
352 TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm
353 //
354 TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2);
355 TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3);
356 TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5);
357 TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4);
358 // central part - 1 copy
359 TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns
360 TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns
361 TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm
362 //
363 TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
364 TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
365 TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4);
366 //
367 // inner part - positioning
368 //
369 // creating a sandwich
370 tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1);
371 //
372 tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1);
373 //
374 tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
375 //
376 TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC");
377 //
378 tv100->AddNode(tv10,1);
379 tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75));
380 tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75));
381 tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925));
382 tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925));
383 tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85));
384 tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85));
385 //
386 v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1));
387 v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1));
388 v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1);
389 v9->AddNode(tv100,1);
390 //
391 // central drum
392 //
393 // flange + sandwich
394 //
395 TGeoPcon *cfl = new TGeoPcon(0.,360.,6);
396 cfl->DefineSection(0,-71.1,59.7,61.2);
397 cfl->DefineSection(1,-68.6,59.7,61.2);
398 //
399 cfl->DefineSection(2,-68.6,60.6324,61.2);
400 cfl->DefineSection(3,68.6,60.6324,61.2);
401 //
402 cfl->DefineSection(4,68.6,59.7,61.2);
403 cfl->DefineSection(5,71.1,59.7,61.2);
404 //
405 TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3);
406 // sandwich
407 TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1);
408 TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1);
409 TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1);
410 //
411 TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1");
412 TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar
413 TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1
414 TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm4); //nomex
415 //
416 // seals for central drum 2 copies
417 //
418 TGeoTube *cs = new TGeoTube(56.9,61.2,0.1);
419 TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar");
420 TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7);
78134e48 421 v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2));
422 v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2));
c1637e41 423 //
424 // seal collars
425 TGeoPcon *se = new TGeoPcon(0.,360.,6);
426 se->DefineSection(0,-72.8,59.7,61.2);
427 se->DefineSection(1,-72.3,59.7,61.2);
428 //
429 se->DefineSection(2,-72.3,58.85,61.2);
430 se->DefineSection(3,-71.6,58.85,61.2);
431 //
432 se->DefineSection(4,-71.6,59.7,61.2);
433 se->DefineSection(5,-71.3,59.7,61.2);
434 //
435 TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3);
436 //
437 TGeoTube *si = new TGeoTube(56.9,58.8,1.);
438 TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3);
439 //
440 // define reflection matrix
441 //
4fa47888 442 TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.);
c1637e41 443 //
444 cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1);
445 //
a1ec4d07 446 v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9));
447 v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9));
c1637e41 448 v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1);
449 //
450 // central membrane - 2 rings and a mylar membrane - assembly
451 //
452 TGeoTube *ih = new TGeoTube(81.05,84.05,0.3);
453 TGeoTube *oh = new TGeoTube(250.,256.,.5);
454 TGeoTube *mem = new TGeoTube(84.05,250,0.01);
455 TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3);
456 TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3);
457 TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7);
458 //
459 TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM");
460 cm->AddNode(ihv,1);
461 cm->AddNode(ohv,1);
462 cm->AddNode(memv,1);
463 v9->AddNode(cm,1);
464 //
465 // end caps - they are make as an assembly of single segments
466 // containing both readout chambers
467 //
d899e254 468 Double_t openingAngle = 10.*TMath::DegToRad();
c1637e41 469 Double_t thick=1.5; // rib
d899e254 470 Double_t shift = thick/TMath::Sin(openingAngle);
c1637e41 471 //
d899e254 472 Double_t lowEdge = 86.3; // hole in the wheel
473 Double_t upEdge = 240.4; // hole in the wheel
c1637e41 474 //
475 new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
476 //
477 TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
478 //
d899e254 479 hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift);
480 hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift);
c1637e41 481 //
d899e254 482 hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift);
483 hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift);
c1637e41 484 //
d899e254 485 Double_t ys = shift*TMath::Sin(openingAngle);
486 Double_t xs = shift*TMath::Cos(openingAngle);
c1637e41 487 TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
488 tr->RegisterYourself();
489 TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
490 TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3);
491 TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2);
492 bar->DefineSection(0,-3.,131.5-shift,136.5-shift);
493 bar->DefineSection(1,1.5,131.5-shift,136.5-shift);
494 TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3);
495 TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment
496 //
497 ch->AddNode(sv,1); ch->AddNode(barv,1,tr);
498 //
499 // readout chambers
500 //
501 // IROC first
502 //
503 TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15);
504 TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3);
505 // empty space
506 TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65);
507 TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1);
508 ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.));
509 //bars
510 Double_t tga = (19.8328-12.3742)/39.3;
511 Double_t xmin,xmax;
512 xmin = 9.55*tga+12.3742;
513 xmax = 9.95*tga+12.3742;
514 TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2);
515 TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3);
516 empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9));
517 xmin=19.4*tga+12.3742;
518 xmax=19.9*tga+12.3742;
519 TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25);
520 TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3);
521 empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.));
522 xmin=29.35*tga+12.3742;
523 xmax=29.75*tga+12.3742;
524 TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2);
525 TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3);
526 empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9));
527 //
528 // holes for connectors
529 //
530 TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc
531 TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1);
d9e80aca 532 TString fileName(gSystem->Getenv("ALICE_ROOT"));
533 fileName += "/TPC/conn_iroc.dat";
c1637e41 534 ifstream in;
d9e80aca 535 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 536 for(Int_t i =0;i<86;i++){
456cb019 537 Double_t y = 3.99;
c1637e41 538 Double_t x,z,ang;
539 in>>x>>z>>ang;
456cb019 540 z-=26.5;
c1637e41 541 TGeoRotation *rrr = new TGeoRotation();
542 rrr->RotateY(ang);
543 TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr);
544 ibdv->AddNode(connv,i+1,trans);
545 }
546 in.close();
547 // "cap"
548 new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825);
549 // "hole"
550 new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15);
551 TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725);
552 tr1->RegisterYourself();
553 TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1");
554 TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3);
555 //
556 // pad plane and wire fixations
557 //
558 TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso
559 TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
560 TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4);
561 TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.);
562 TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4);
563 TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.);
564 TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4);
565 //
566 TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC");
567 //
568 iroc->AddNode(ibdv,1);
569 iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725));
570 iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725));
571 tga =(23.3521-14.5974)/49.65;
572 Double_t xx = 24.825*tga+14.5974-0.6;
573 iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725));
574 iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725));
575 //
576 // OROC
577 //
578 TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65);
579 TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3);
580 TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65);
581 TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1);
582 obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.));
583 //horizontal bars
584 tga=(38.5084-20.2938)/99.3;
585 xmin=tga*10.2+20.2938;
586 xmax=tga*10.6+20.2938;
587 TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2);
588 TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3);
589 //
590 xmin=22.55*tga+20.2938;
591 xmax=24.15*tga+20.2938;
592 TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8);
593 TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3);
594 //
595 xmin=36.1*tga+20.2938;
596 xmax=36.5*tga+20.2938;
597 TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2);
598 TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3);
599 //
600 xmin=49.0*tga+20.2938;
601 xmax=50.6*tga+20.2938;
602 TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8);
603 TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3);
604 //
605 xmin=63.6*tga+20.2938;
606 xmax=64.0*tga+20.2938;
607 TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2);
608 TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3);
609 //
610 xmin=75.5*tga+20.2938;
611 xmax=77.15*tga+20.2938;
612 TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8);
613 TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3);
614 //
615 xmin=88.7*tga+20.2938;
616 xmax=89.1*tga+20.2938;
617 TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2);
618 TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3);
619 //
620 oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25));
621 oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3));
622 oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35));
623 oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15));
624 oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15));
625 oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7));
626 oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25));
627 // vertical bars
628 TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1);
629 TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975);
630 TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775);
631 TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25);
632 TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5);
633 //
634 TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3);
635 TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3);
636 TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3);
637 TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3);
638 TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3);
639 //
640 oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55));
641 oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55));
642 oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075));
643 oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525));
644 oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125));
645 oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275));
646 oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9));
647 oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45));
648 //
649 // holes for connectors
650 //
d9e80aca 651 fileName = gSystem->Getenv("ALICE_ROOT");
652 fileName += "/TPC/conn_oroc.dat";
653 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 654 for(Int_t i =0;i<78;i++){
655 Double_t y =3.89;
656 Double_t x,z,ang;
657 Double_t x1,z1,x2,z2;
658 in>>x>>z>>ang;
659 Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad());
660 Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad());
661 //
662 x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z;
663 //
664 TGeoRotation *rr = new TGeoRotation();
665 rr->RotateY(ang);
666 z1-=54.95;
667 z2-=54.95;
668 TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr);
669 TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr);
670 obdv->AddNode(connv,i+1,trans1);
671 obdv->AddNode(connv,i+79,trans2);
672 }
673 in.close();
674 // cap
675 new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1);
676 new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65);
677 TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15);
678 tr5->RegisterYourself();
679 TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5");
680 TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3);
681 //
682 // pad plane and wire fixations
683 //
684 TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1);
685 TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4);
686 //
687 tga=(43.5239-23.3874)/114.2;
688 TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.);
689 TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.);
690 xx = 57.1*tga+23.3874-0.7;
691 TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4);
692 TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4);
693 //
694 TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC");
695 //
696 oroc->AddNode(obdv,1);
697 oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15));
698 oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15));
699 oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15));
700 oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15));
701 //
702 // now iroc and oroc are placed into a sector...
703 //
a1ec4d07 704 TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side
705 TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side
c1637e41 706 TGeoRotation rot1("rot1",90.,90.,0.);
707 TGeoRotation rot2("rot2");
708 rot2.RotateY(10.);
709 TGeoRotation *rot = new TGeoRotation("rot");
710 *rot=rot1*rot2;
711 //
712 Double_t x0,y0;
d899e254 713 x0=110.2*TMath::Cos(openingAngle);
714 y0=110.2*TMath::Sin(openingAngle);
20527578 715 TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
716 TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
d899e254 717 x0=188.45*TMath::Cos(openingAngle);
718 y0=188.45*TMath::Sin(openingAngle);
20527578 719 TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
720 TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
c1637e41 721 //
a1ec4d07 722 // A-side
c1637e41 723 //
a1ec4d07 724 secta->AddNode(ch,1);
725 secta->AddNode(iroc,1,combi1a);
726 secta->AddNode(oroc,1,combi2a);
c1637e41 727 //
a1ec4d07 728 // C-side
729 //
730 sectc->AddNode(ch,1);
731 sectc->AddNode(iroc,1,combi1c);
732 sectc->AddNode(oroc,1,combi2c);
733 //
734 // now I try to make wheels...
735 //
736 TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP");
737 TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP");
c1637e41 738 //
739 for(Int_t i =0;i<18;i++){
740 Double_t phi = (20.*i);
741 TGeoRotation *r = new TGeoRotation();
742 r->RotateZ(phi);
a1ec4d07 743 wheela->AddNode(secta,i+1,r);
744 wheelc->AddNode(sectc,i+1,r);
79575d04 745
c1637e41 746 }
747 // wheels in the drift volume!
c1637e41 748 TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
a1ec4d07 749 v9->AddNode(wheela,1,combi3);
750 v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
c1637e41 751
752 //_____________________________________________________________
753 // service support wheel
754 //_____________________________________________________________
755 TGeoPgon *sw = new TGeoPgon(0.,20.,1,2);
756 sw->DefineSection(0,-4.,80.5,251.75);
757 sw->DefineSection(1,4.,80.5,251.75);
758 TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
759 //
760 thick=1.;
d899e254 761 shift = thick/TMath::Sin(openingAngle);
c1637e41 762 TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
763 sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
764 sh->DefineSection(1,4.,81.5-shift,250.75-shift);
765 TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
766 //
74518339 767 TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si");
768 TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
769 el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
770 el->DefineSection(1,1.872,81.5-shift,250.75-shift);
771 TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si
772 //
773 shv->AddNode(elv,1);
774 //
775 //
d899e254 776 ys = shift*TMath::Sin(openingAngle);
777 xs = shift*TMath::Cos(openingAngle);
c1637e41 778 swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
779 // cover
780 TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
781 co->DefineSection(0,-0.5,77.,255.25);
782 co->DefineSection(1,0.5,77.,255.25);
783 TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
784 // hole in a cover
785 TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
d899e254 786 shift=4./TMath::Sin(openingAngle);
c1637e41 787 coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
788 coh->DefineSection(1,0.5,85.-shift,247.25-shift);
789 //
790 TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
791 //
d899e254 792 ys = shift*TMath::Sin(openingAngle);
793 xs = shift*TMath::Cos(openingAngle);
c1637e41 794 cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
795 //
796 // Sector as an Assembly
797 //
798 TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC");
799 swhs->AddNode(swv,1);
800 swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5));
801 swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5));
802 //
803 // SSW as an Assembly of sectors
804 //
805 TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL");
806 for(Int_t i =0;i<18;i++){
807 Double_t phi = (20.*i);
808 TGeoRotation *r = new TGeoRotation();
809 r->RotateZ(phi);
810 swheel->AddNode(swhs,i+1,r);
811 }
812 v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6));
813 v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
814
815 // sensitive strips
f3d601a5 816 TGeoMedium *m8 = gGeoManager->GetMedium("TPC_Ne-CO2-2");
c1637e41 817 Int_t totrows;
818 totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp();
819 Double_t *upar;
820 upar=NULL;
821 gGeoManager->Volume("TPC_Strip","PGON",m8->GetId(),upar);
822 upar=new Double_t [10];
823 upar[0]=0.;
824 upar[1]=360.;
825 upar[2]=18.;
826 upar[3]=2.;
827 //
828 upar[4]=-124.8;
829 upar[7]=124.8;
830
831 Double_t rlow=fTPCParam->GetPadRowRadiiLow(0);
832
833 upar[5]=rlow;
834 upar[6]=rlow+.01;
835 upar[8]=upar[5];
836 upar[9]=upar[6];
837 //
838 gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
839 gGeoManager->Node("TPC_Strip",totrows+1,
840 "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
841 //
842 // now, strips
843 //
844 //lower sectors
845 for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){
846 rlow=fTPCParam->GetPadRowRadiiLow(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,
852 "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
853 gGeoManager->Node("TPC_Strip",totrows+i,
854 "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
855 }
856 //upper sectors
857 for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){
858 rlow=fTPCParam->GetPadRowRadiiUp(i-1);
859 upar[5]=rlow;
860 upar[6]=rlow+.01;
861 upar[8]=upar[5];
862 upar[9]=upar[6];
863 gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(),
864 "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
865 gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(),
866 "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
867 }
868
37831078 869 //----------------------------------------------------------
c1637e41 870 // TPc Support Rods - MAKROLON
37831078 871 //----------------------------------------------------------
c1637e41 872 TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
873 TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
78134e48 874 TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
875 TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");
876 TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
c1637e41 877 // upper and lower rods differ in length!
878 delete [] upar;
879 upar=NULL;
880 gGeoManager->Volume("TPC_Rod","TUBE",m6->GetId(),upar);
881 upar=new Double_t [3];
882 upar[0]=1.8;
883 upar[1]=2.2;
884
79575d04 885 //
c1637e41 886 //HV rods - makrolon + 0.58cm (diameter) Cu
ae4806ca 887 TGeoTube *hvr = new TGeoTube(0.,2.2,126.64);
c1637e41 888 TGeoTube *hvc = new TGeoTube(0.,0.29,126.64);
889 //
890 TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
891 TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
892 hvrv->AddNode(hvcv,1);
78134e48 893 //
894 // resistor rods
895 //
896 TGeoTube *cri = new TGeoTube(0.,0.45,126.64); //inner
897 TGeoTube *cro = new TGeoTube(0.,0.45,126.54); //outer
898 TGeoTube *cwi = new TGeoTube(0.,0.15,126.64); // water inner
899 TGeoTube *cwo = new TGeoTube(0.,0.15,126.54); // water outer
900 //
901 TGeoVolume *criv = new TGeoVolume("TPC_CR_I",cri,m10);
902 TGeoVolume *crov = new TGeoVolume("TPC_CR_O",cro,m10);
903 TGeoVolume *cwiv = new TGeoVolume("TPC_W_I",cwi,m11);
904 TGeoVolume *cwov = new TGeoVolume("TPC_W_O",cwo,m11);
905 //
906 // ceramic rod with water
907 //
908 criv->AddNode(cwiv,1);
909 crov->AddNode(cwov,1);
910 //
911 TGeoTube *pri =new TGeoTube(0.2,0.35,126.64); //inner
912 TGeoTube *pro = new TGeoTube(0.2,0.35,126.54); //outer
913 //
914 // peek rod
915 //
916 TGeoVolume *priv = new TGeoVolume("TPC_PR_I",pri,m12);
917 TGeoVolume *prov = new TGeoVolume("TPC_PR_O",pro,m12);
918 //
919 // resistor rods assembly
920 //
be53328e 921 TGeoRotation *rotr = new TGeoRotation("rotr");
922 rotr->RotateZ(-21.);
78134e48 923 //
924 TGeoTube *rri = new TGeoTube(1.8,2.2,126.64);//inner
925 TGeoTube *rro = new TGeoTube(1.8,2.2,126.54);//inner
926 //
927 TGeoVolume *rriv = new TGeoVolume("TPC_RR_I",rri,m6);
928 TGeoVolume *rrov = new TGeoVolume("TPC_RR_O",rro,m6);
929 //
930 //
a3d2be59 931 TGeoVolumeAssembly *rrin = new TGeoVolumeAssembly("TPC_RROD_I");
932 TGeoVolumeAssembly *rrou = new TGeoVolumeAssembly("TPC_RROD_O");
933 rrin->AddNode(rriv,1);
934 rrin->AddNode(criv,1,new TGeoTranslation(0.5,0.866, 0.));
935 rrin->AddNode(criv,2,new TGeoTranslation(0.5,-0.866, 0.));
936 rrin->AddNode(priv,1);
937 //
938 rrou->AddNode(rrov,1);
939 rrou->AddNode(crov,1,new TGeoTranslation(0.5,0.866, 0.));
940 rrou->AddNode(crov,2,new TGeoTranslation(0.5,-0.866, 0.));
941 rrou->AddNode(prov,1);
7281dc07 942 for(Int_t i=0;i<18;i++){
c1637e41 943 Double_t angle,x,y;
944 Double_t z,r;
945 angle=TMath::DegToRad()*20.*(Double_t)i;
946 r=81.5;
947 x=r * TMath::Cos(angle);
948 y=r * TMath::Sin(angle);
949 upar[2]=126.64; //lower
950 z= 126.96;
78134e48 951 if(i==3){
be53328e 952 v9->AddNode(rrin,1,new TGeoCombiTrans(x,y,z,rotr)); //A
953 v9->AddNode(rrin,2,new TGeoCombiTrans(x,y,-z,rotr)); //C
78134e48 954 }
955 else {
956 gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft
957 gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
c1637e41 958 }
78134e48 959
960 //
c1637e41 961 r=254.25;
962 x=r * TMath::Cos(angle);
963 y=r * TMath::Sin(angle);
964 upar[2]=126.54; //upper
965 z=127.06;
78134e48 966 //
967 if(i==15){
5042ab7d 968 //v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only
969 v9->AddNode(hvrv,1,new TGeoTranslation(x,y,127.14));//A-side only
78134e48 970 gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
971 }
972 else if(i==11){
be53328e 973 v9->AddNode(rrou,1,new TGeoCombiTrans(x,y,z,rotr)); //A
974 v9->AddNode(rrou,2,new TGeoCombiTrans(x,y,-z,rotr)); //C
78134e48 975 }
976 else{
977 //
978 gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
979 gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
980 }
c1637e41 981 gGeoManager->Node("TPC_Rod",i+36,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
982 gGeoManager->Node("TPC_Rod",i+54,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
983 }
79575d04 984
bde68ab0 985 TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
986 alice->AddNode(v1,1);
37831078 987
988} // end of function
989
37831078 990
991//_____________________________________________________________________________
992void AliTPCv1::CreateMaterials()
993{
994 //
995 // Define materials for Time Projection Chamber
996 //
997 AliTPC::CreateMaterials();
998}
999
1000//_____________________________________________________________________________
1001void AliTPCv1::Init()
fe4da5cc 1002{
1003 //
1004 // Initialises TPC detector after it has been created
1005 //
cfce8870 1006
c1637e41 1007 fIdSens=gMC->VolId("TPC_Strip"); // sensitive strip
fe4da5cc 1008
13a8c8d7 1009 printf("%s: *** TPC version 1 initialized***\n",ClassName());
1010
1011 // printf("TPC version 1 initialized\n");
fe4da5cc 1012}
1013
1014//_____________________________________________________________________________
1015void AliTPCv1::StepManager()
1016{
1017 //
1018 // Called at every step in the Time Projection Chamber
1019 //
0a6d8768 1020 Int_t copy, id, i;
e61fd20d 1021 Float_t hits[5];
fe4da5cc 1022 Int_t vol[2];
0a6d8768 1023 TLorentzVector p;
6a905708 1024 //
1283eee5 1025
c1637e41 1026 id = gMC->CurrentVolID(copy);
1027 if(id!=fIdSens) return;
0a6d8768 1028 if(gMC->TrackCharge() && gMC->IsTrackEntering()) {
37831078 1029
1030 //
1031 // Only charged tracks entering the sensitive volume
fe4da5cc 1032 //
37831078 1033
c1637e41 1034 gMC->TrackPosition(p);
1035 Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
1036 //
1037
1038 //
1039 Double_t angle = TMath::ACos(p[0]/r);
1040 angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle;
1041 //
1042 // angular segment, it is not a real sector number...
1043 //
1044 Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/
1045 fTPCParam->GetInnerAngle());
1046 // rotate to segment "0"
1047 Float_t cos,sin;
1048 fTPCParam->AdjustCosSin(sector,cos,sin);
1049 Float_t x1 = p[0]*cos + p[1]*sin;
1050 Float_t y1 = TMath::Abs(-p[0]*sin + p[1]*cos);
1051 // calculate real sector number...
1052 if (x1>fTPCParam->GetOuterRadiusLow()){
1053 sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/
1054 fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector();
1055 if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1);
1056 }
1057 else
1058 if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1);
1059 //
1060 // here I have a sector number
1061 //
1062 vol[0]=sector;
1063 //
1064 Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp();
1065 vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows;
1066 // row numbers are autonomous for lower and upper sectors
1067 if(vol[0] > fTPCParam->GetNInnerSector()) {
1068 vol[1] -= fTPCParam->GetNRowLow();
1069 }
1070 Double_t range = (sector<36) ? fTPCParam->GetYInner(vol[1]) :
1071 fTPCParam->GetYOuter(vol[1]);
1072 if(y1>range) return;
1073 if(vol[1] == 0){
37831078 1074
1075 // because Jouri wants to have this
1076
1077 gMC->TrackMomentum(p);
1078 hits[0]=p[0];
1079 hits[1]=p[1];
1080 hits[2]=p[2];
1081 hits[3]=0.; // this hit has no energy loss
e61fd20d 1082 // Get also the track time for pileup simulation
1083 hits[4]=gMC->TrackTime();
1084
c1637e41 1085 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I.
1086 }
1087 gMC->TrackPosition(p);
37831078 1088 for(i=0;i<3;++i) hits[i]=p[i];
1089 hits[3]=1; //I'd like to have something positive here (I.Belikov)
e61fd20d 1090 // Get also the track time for pileup simulation
1091 hits[4]=gMC->TrackTime();
1092
c1637e41 1093 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I.
37831078 1094
c1637e41 1095 }// track entering sensitive strip
37831078 1096
fe4da5cc 1097}
37831078 1098//_____________________________________________________________________________
1283eee5 1099
1100
1101