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1. Coding violatation partial fixies
[u/mrichter/AliRoot.git] / TPC / AliTPCv0.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/* $Id$ */
73042f01 17//
4c039060 18
fe4da5cc 19///////////////////////////////////////////////////////////////////////////////
20// //
21// Time Projection Chamber version 0 -- "coarse" TPC //
22// //
23//Begin_Html
24/*
1439f98e 25<img src="picts/AliTPCv0Class.gif">
fe4da5cc 26*/
27//End_Html
28// //
29// //
30///////////////////////////////////////////////////////////////////////////////
31
88cb7938 32#include <Riostream.h>
33
88cb7938 34#include <TMath.h>
88cb7938 35#include <TVirtualMC.h>
d9e80aca 36#include <TString.h>
37#include <TSystem.h>
fe4da5cc 38
88cb7938 39#include "AliConst.h"
40#include "AliRun.h"
cc80f89e 41#include "AliTPCDigitsArray.h"
88cb7938 42#include "AliTPCParamSR.h"
43#include "AliTPCv0.h"
c1637e41 44#include "TGeoManager.h"
45#include "TGeoVolume.h"
46#include "TGeoPcon.h"
47#include "TGeoTube.h"
48#include "TGeoPgon.h"
49#include "TGeoTrd1.h"
50#include "TGeoCompositeShape.h"
51#include "TGeoPara.h"
fe4da5cc 52ClassImp(AliTPCv0)
53
54//_____________________________________________________________________________
55AliTPCv0::AliTPCv0(const char *name, const char *title)
56 :AliTPC(name, title)
57{
58 //
59 // Standard creator for TPC version 0
60 //
73042f01 61
73042f01 62
63 if (fTPCParam)
64 fTPCParam->Write(fTPCParam->GetTitle());
fe4da5cc 65}
66
67//_____________________________________________________________________________
68void AliTPCv0::CreateGeometry()
69{
79575d04 70
fe4da5cc 71 //
37831078 72 // Creation of the TPC version 0, i.e. no sensitive volumes,
73 // only the material distribution
fe4da5cc 74 //
75 //Begin_Html
76 /*
37831078 77 <img src="picts/AliTPC.gif">
fe4da5cc 78 */
79 //End_Html
80 //Begin_Html
81 /*
1439f98e 82 <img src="picts/AliTPCv0Tree.gif">
fe4da5cc 83 */
84 //End_Html
85
c1637e41 86 //----------------------------------------------------------
87 // This geometry is written using TGeo class
88 // Firstly the shapes are defined, and only then the volumes
89 // What is recognized by the MC are volumes
90 //----------------------------------------------------------
91 //
92 // tpc - this will be the mother volume
37831078 93 //
1283eee5 94
37831078 95 //
c1637e41 96 // here I define a volume TPC
97 // retrive the medium name with "TPC_" as a leading string
37831078 98 //
78134e48 99 TGeoPcon *tpc = new TGeoPcon(0.,360.,20); //20 sections
37831078 100 //
78134e48 101 tpc->DefineSection(0,-291.,77.,278.);
102 tpc->DefineSection(1,-270,77.,278.);
37831078 103 //
78134e48 104 tpc->DefineSection(2,-270.,77.,278.);
105 tpc->DefineSection(3,-259.6,70.,278.);
37831078 106 //
78134e48 107 tpc->DefineSection(4,-259.6,68.1,278.);
108 tpc->DefineSection(5,-253.6,68.1,278.);
37831078 109 //
78134e48 110 tpc->DefineSection(6,-253.6,68.,278.);
111 tpc->DefineSection(7,-74.0,60.8,278.);
37831078 112 //
78134e48 113 tpc->DefineSection(8,-74.0,60.1,278.);
114 tpc->DefineSection(9,-73.3,60.1,278.);
37831078 115 //
78134e48 116 tpc->DefineSection(10,-73.3,56.9,278.);
117 tpc->DefineSection(11,73.3,56.9,278.);
37831078 118 //
78134e48 119 tpc->DefineSection(12,73.3,60.1,278.);
120 tpc->DefineSection(13,74.0,60.1,278.);
37831078 121 //
78134e48 122 tpc->DefineSection(14,74.0,60.8,278.);
123 tpc->DefineSection(15,253.6,65.5,278.);
124 //
125 tpc->DefineSection(16,253.6,65.6,278.);
126 tpc->DefineSection(17,259.6,65.6,278.);
127 //
128 tpc->DefineSection(18,259.6,70.0,278.);
129 tpc->DefineSection(19,291.,77.,278.);
37831078 130 //
c1637e41 131 TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
132 TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
37831078 133 //
c1637e41 134 // drift volume - sensitive volume, extended beyond the
135 // endcaps, because of the alignment
37831078 136 //
c1637e41 137 TGeoPcon *dvol = new TGeoPcon(0.,360.,6);
138 dvol->DefineSection(0,-260.,74.5,264.4);
139 dvol->DefineSection(1,-253.6,74.5,264.4);
79575d04 140 //
c1637e41 141 dvol->DefineSection(2,-253.6,76.6774,258.);
142 dvol->DefineSection(3,253.6,76.6774,258.);
37831078 143 //
c1637e41 144 dvol->DefineSection(4,253.6,74.5,264.4);
145 dvol->DefineSection(5,260.,74.5,264.4);
37831078 146 //
c1637e41 147 TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-1");
148 TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
37831078 149 //
c1637e41 150 v1->AddNode(v9,1);
37831078 151 //
c1637e41 152 // outer insulator
37831078 153 //
c1637e41 154 TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator
37831078 155 //
c1637e41 156 tpco->DefineSection(0,-256.6,264.8,278.);
157 tpco->DefineSection(1,-253.6,264.8,278.);
720b23b8 158 //
c1637e41 159 tpco->DefineSection(2,-253.6,258.,278.);
160 tpco->DefineSection(3,250.6,258.,278.);
79575d04 161 //
c1637e41 162 tpco->DefineSection(4,250.6,258.,275.5);
163 tpco->DefineSection(5,253.6,258.,275.5);
164 //
165 TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
166 TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
167 //
168 // outer containment vessel
169 //
170 TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
171 //
172 tocv->DefineSection(0,-256.6,264.8,278.);
173 tocv->DefineSection(1,-253.6,264.8,278.);
174 //
175 tocv->DefineSection(2,-253.6,274.8124,278.);
176 tocv->DefineSection(3,247.6,274.8124,278.);
177 //
178 tocv->DefineSection(4,247.6,270.4,278.);
179 tocv->DefineSection(5,250.6,270.4,278.);
180 //
181 TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al");
182 TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3);
183 //
184 TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy
185 TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar
186 TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2
187 TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex
188 //
189 TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
190 TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
191 TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2");
192 TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex");
193 //
194 TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1);
195 TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
196 TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
197 TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
37831078 198 //-------------------------------------------------------
199 // Tpc Outer Field Cage
c1637e41 200 // daughters - composite (sandwich)
37831078 201 //-------------------------------------------------------
202
c1637e41 203 TGeoPcon *tofc = new TGeoPcon(0.,360.,6);
79575d04 204 //
c1637e41 205 tofc->DefineSection(0,-253.6,258.,269.6);
206 tofc->DefineSection(1,-250.6,258.,269.6);
37831078 207 //
c1637e41 208 tofc->DefineSection(2,-250.6,258.,260.0676);
209 tofc->DefineSection(3,250.6,258.,260.0676);
37831078 210 //
c1637e41 211 tofc->DefineSection(4,250.6,258.,275.5);
212 tofc->DefineSection(5,253.6,258.,275.5);
37831078 213 //
c1637e41 214 TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3);
215 //sandwich
216 TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar
217 TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3
218 TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex
37831078 219 //
c1637e41 220 TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3");
37831078 221 //
c1637e41 222 TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2);
223 TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5);
224 TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4);
1283eee5 225 //
c1637e41 226 // outer part - positioning
37831078 227 //
c1637e41 228 tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);
37831078 229 //
c1637e41 230 tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);
1283eee5 231 //
456cb019 232 v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1);
1283eee5 233 //
c1637e41 234 v2->AddNode(v3,1); v2->AddNode(v4,1);
37831078 235 //
c1637e41 236 v1->AddNode(v2,1);
237 //-----------------------------------------------------------
238 //--------------------------------------------------------------------
239 // Tpc Inner INsulator (CO2)
240 // the cones, the central drum and the inner f.c. sandwich with a piece
241 // of the flane will be placed in the TPC
242 //--------------------------------------------------------------------
243 TGeoPcon *tpci = new TGeoPcon(0.,360.,4);
37831078 244 //
c1637e41 245 tpci->DefineSection(0,-253.6,68.4,76.6774);
246 tpci->DefineSection(1,-74.0,61.2,76.6774);
37831078 247 //
c1637e41 248 tpci->DefineSection(2,74.0,61.2,76.6774);
37831078 249 //
c1637e41 250 tpci->DefineSection(3,253.6,65.9,76.6774);
37831078 251 //
c1637e41 252 TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2);
37831078 253 //
c1637e41 254 // now the inner field cage - only part of flanges (2 copies)
37831078 255 //
c1637e41 256 TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5);
257 TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3);
37831078 258 //
c1637e41 259 //---------------------------------------------------------
260 // Tpc Inner Containment vessel - Muon side
79575d04 261 //---------------------------------------------------------
c1637e41 262 TGeoPcon *tcms = new TGeoPcon(0.,360.,10);
37831078 263 //
c1637e41 264 tcms->DefineSection(0,-259.1,68.1,74.2);
265 tcms->DefineSection(1,-253.6,68.1,74.2);
37831078 266 //
c1637e41 267 tcms->DefineSection(2,-253.6,68.1,68.4);
268 tcms->DefineSection(3,-74.0,60.9,61.2);
37831078 269 //
c1637e41 270 tcms->DefineSection(4,-74.0,60.1,61.2);
271 tcms->DefineSection(5,-73.3,60.1,61.2);
37831078 272 //
c1637e41 273 tcms->DefineSection(6,-73.3,56.9,61.2);
274 tcms->DefineSection(7,-73.0,56.9,61.2);
37831078 275 //
c1637e41 276 tcms->DefineSection(8,-73.0,56.9,58.8);
277 tcms->DefineSection(9,-71.3,56.9,58.8);
37831078 278 //
c1637e41 279 TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3);
280 //-----------------------------------------------
281 // inner containment vessel - shaft side
282 //-----------------------------------------------
283 TGeoPcon *tcss = new TGeoPcon(0.,360.,10);
37831078 284 //
c1637e41 285 tcss->DefineSection(0,71.3,56.9,58.8);
286 tcss->DefineSection(1,73.0,56.9,58.8);
37831078 287 //
c1637e41 288 tcss->DefineSection(2,73.0,56.9,61.2);
289 tcss->DefineSection(3,73.3,56.9,61.2);
290 //
291 tcss->DefineSection(4,73.3,60.1,61.2);
292 tcss->DefineSection(5,74.0,60.1,61.2);
37831078 293 //
c1637e41 294 tcss->DefineSection(6,74.0,60.9,61.2);
295 tcss->DefineSection(7,253.6,65.6,65.9);
37831078 296 //
c1637e41 297 tcss->DefineSection(8,253.6,65.6,74.2);
298 tcss->DefineSection(9,258.1,65.6,74.2);
37831078 299 //
c1637e41 300 TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3);
301 //-----------------------------------------------
302 // Inner field cage
303 // define 4 parts and make an assembly
304 //-----------------------------------------------
305 // part1 - Al - 2 copies
306 TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75);
307 TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3);
308 // sandwich - outermost parts - 2 copies
309 TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns
310 TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns
311 TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns
312 TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm
37831078 313 //
c1637e41 314 TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2);
315 TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3);
316 TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5);
317 TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4);
37831078 318 //
c1637e41 319 // middle parts - 2 copies
320 TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns
321 TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns
322 TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns
323 TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm
79575d04 324 //
c1637e41 325 TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2);
326 TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3);
327 TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5);
328 TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4);
329 // central part - 1 copy
330 TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns
331 TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns
332 TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm
79575d04 333 //
c1637e41 334 TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
335 TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
336 TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4);
79575d04 337 //
c1637e41 338 // inner part - positioning
79575d04 339 //
c1637e41 340 // creating a sandwich
341 tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1);
79575d04 342 //
c1637e41 343 tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1);
79575d04 344 //
c1637e41 345 tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
37831078 346 //
c1637e41 347 TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC");
37831078 348 //
c1637e41 349 tv100->AddNode(tv10,1);
350 tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75));
351 tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75));
352 tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925));
353 tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925));
354 tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85));
355 tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85));
356 //
357 v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1));
358 v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1));
359 v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1);
360 v9->AddNode(tv100,1);
361 //
362 // central drum
363 //
364 // flange + sandwich
365 //
366 TGeoPcon *cfl = new TGeoPcon(0.,360.,6);
367 cfl->DefineSection(0,-71.1,59.7,61.2);
368 cfl->DefineSection(1,-68.6,59.7,61.2);
369 //
370 cfl->DefineSection(2,-68.6,60.6324,61.2);
371 cfl->DefineSection(3,68.6,60.6324,61.2);
372 //
373 cfl->DefineSection(4,68.6,59.7,61.2);
374 cfl->DefineSection(5,71.1,59.7,61.2);
375 //
376 TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3);
377 // sandwich
378 TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1);
379 TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1);
380 TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1);
381 //
382 TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1");
383 TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar
384 TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1
385 TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm4); //nomex
386 //
387 // seals for central drum 2 copies
388 //
389 TGeoTube *cs = new TGeoTube(56.9,61.2,0.1);
390 TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar");
391 TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7);
78134e48 392 v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2));
393 v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2));
c1637e41 394 //
395 // seal collars
396 TGeoPcon *se = new TGeoPcon(0.,360.,6);
397 se->DefineSection(0,-72.8,59.7,61.2);
398 se->DefineSection(1,-72.3,59.7,61.2);
399 //
400 se->DefineSection(2,-72.3,58.85,61.2);
401 se->DefineSection(3,-71.6,58.85,61.2);
402 //
403 se->DefineSection(4,-71.6,59.7,61.2);
404 se->DefineSection(5,-71.3,59.7,61.2);
405 //
406 TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3);
407 //
408 TGeoTube *si = new TGeoTube(56.9,58.8,1.);
409 TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3);
410 //
411 // define reflection matrix
412 //
4fa47888 413 TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.);
c1637e41 414 //
415 cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1);
416 //
a1ec4d07 417 v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9));
418 v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9));
c1637e41 419 v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1);
420 //
421 // central membrane - 2 rings and a mylar membrane - assembly
422 //
423 TGeoTube *ih = new TGeoTube(81.05,84.05,0.3);
424 TGeoTube *oh = new TGeoTube(250.,256.,.5);
425 TGeoTube *mem = new TGeoTube(84.05,250,0.01);
426 TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3);
427 TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3);
428 TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7);
429 //
430 TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM");
431 cm->AddNode(ihv,1);
432 cm->AddNode(ohv,1);
433 cm->AddNode(memv,1);
434 v9->AddNode(cm,1);
435 //
436 // end caps - they are make as an assembly of single segments
437 // containing both readout chambers
438 //
d899e254 439 Double_t openingAngle = 10.*TMath::DegToRad();
c1637e41 440 Double_t thick=1.5; // rib
d899e254 441 Double_t shift = thick/TMath::Sin(openingAngle);
c1637e41 442 //
d899e254 443 Double_t lowEdge = 86.3; // hole in the wheel
444 Double_t upEdge = 240.4; // hole in the wheel
c1637e41 445 //
446 new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
447 //
448 TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
449 //
d899e254 450 hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift);
451 hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift);
c1637e41 452 //
d899e254 453 hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift);
454 hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift);
c1637e41 455 //
d899e254 456 Double_t ys = shift*TMath::Sin(openingAngle);
457 Double_t xs = shift*TMath::Cos(openingAngle);
c1637e41 458 TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
459 tr->RegisterYourself();
460 TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
461 TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3);
462 TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2);
463 bar->DefineSection(0,-3.,131.5-shift,136.5-shift);
464 bar->DefineSection(1,1.5,131.5-shift,136.5-shift);
465 TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3);
466 TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment
467 //
468 ch->AddNode(sv,1); ch->AddNode(barv,1,tr);
469 //
470 // readout chambers
471 //
472 // IROC first
473 //
474 TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15);
475 TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3);
37831078 476 // empty space
c1637e41 477 TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65);
478 TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1);
479 ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.));
480 //bars
481 Double_t tga = (19.8328-12.3742)/39.3;
482 Double_t xmin,xmax;
483 xmin = 9.55*tga+12.3742;
484 xmax = 9.95*tga+12.3742;
485 TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2);
486 TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3);
487 empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9));
488 xmin=19.4*tga+12.3742;
489 xmax=19.9*tga+12.3742;
490 TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25);
491 TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3);
492 empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.));
493 xmin=29.35*tga+12.3742;
494 xmax=29.75*tga+12.3742;
495 TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2);
496 TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3);
497 empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9));
498 //
499 // holes for connectors
500 //
501 TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc
502 TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1);
d9e80aca 503 TString fileName(gSystem->Getenv("ALICE_ROOT"));
504 fileName += "/TPC/conn_iroc.dat";
c1637e41 505 ifstream in;
d9e80aca 506 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 507 for(Int_t i =0;i<86;i++){
456cb019 508 Double_t y = 3.99;
c1637e41 509 Double_t x,z,ang;
510 in>>x>>z>>ang;
456cb019 511 z-=26.5;
c1637e41 512 TGeoRotation *rrr = new TGeoRotation();
513 rrr->RotateY(ang);
514 TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr);
515 ibdv->AddNode(connv,i+1,trans);
516 }
517 in.close();
518 // "cap"
519 new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825);
520 // "hole"
521 new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15);
522 TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725);
523 tr1->RegisterYourself();
524 TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1");
525 TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3);
526 //
527 // pad plane and wire fixations
528 //
529 TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso
530 TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
531 TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4);
532 TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.);
533 TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4);
534 TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.);
535 TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4);
536 //
537 TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC");
538 //
539 iroc->AddNode(ibdv,1);
540 iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725));
541 iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725));
542 tga =(23.3521-14.5974)/49.65;
543 Double_t xx = 24.825*tga+14.5974-0.6;
544 iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725));
545 iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725));
546 //
547 // OROC
548 //
549 TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65);
550 TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3);
551 TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65);
552 TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1);
553 obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.));
554 //horizontal bars
555 tga=(38.5084-20.2938)/99.3;
556 xmin=tga*10.2+20.2938;
557 xmax=tga*10.6+20.2938;
558 TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2);
559 TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3);
560 //
561 xmin=22.55*tga+20.2938;
562 xmax=24.15*tga+20.2938;
563 TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8);
564 TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3);
565 //
566 xmin=36.1*tga+20.2938;
567 xmax=36.5*tga+20.2938;
568 TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2);
569 TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3);
570 //
571 xmin=49.0*tga+20.2938;
572 xmax=50.6*tga+20.2938;
573 TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8);
574 TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3);
575 //
576 xmin=63.6*tga+20.2938;
577 xmax=64.0*tga+20.2938;
578 TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2);
579 TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3);
580 //
581 xmin=75.5*tga+20.2938;
582 xmax=77.15*tga+20.2938;
583 TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8);
584 TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3);
585 //
586 xmin=88.7*tga+20.2938;
587 xmax=89.1*tga+20.2938;
588 TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2);
589 TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3);
590 //
591 oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25));
592 oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3));
593 oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35));
594 oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15));
595 oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15));
596 oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7));
597 oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25));
598 // vertical bars
599 TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1);
600 TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975);
601 TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775);
602 TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25);
603 TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5);
604 //
605 TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3);
606 TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3);
607 TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3);
608 TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3);
609 TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3);
610 //
611 oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55));
612 oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55));
613 oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075));
614 oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525));
615 oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125));
616 oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275));
617 oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9));
618 oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45));
619 //
620 // holes for connectors
621 //
d9e80aca 622 fileName = gSystem->Getenv("ALICE_ROOT");
623 fileName += "/TPC/conn_oroc.dat";
624 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 625 for(Int_t i =0;i<78;i++){
626 Double_t y =3.89;
627 Double_t x,z,ang;
628 Double_t x1,z1,x2,z2;
629 in>>x>>z>>ang;
630 Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad());
631 Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad());
632 //
633 x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z;
634 //
635 TGeoRotation *rr = new TGeoRotation();
636 rr->RotateY(ang);
637 z1-=54.95;
638 z2-=54.95;
639 TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr);
640 TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr);
641 obdv->AddNode(connv,i+1,trans1);
642 obdv->AddNode(connv,i+79,trans2);
643 }
644 in.close();
645 // cap
646 new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1);
647 new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65);
648 TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15);
649 tr5->RegisterYourself();
650 TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5");
651 TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3);
652 //
653 // pad plane and wire fixations
654 //
655 TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1);
656 TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4);
657 //
658 tga=(43.5239-23.3874)/114.2;
659 TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.);
660 TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.);
661 xx = 57.1*tga+23.3874-0.7;
662 TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4);
663 TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4);
664 //
665 TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC");
666 //
667 oroc->AddNode(obdv,1);
668 oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15));
669 oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15));
670 oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15));
671 oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15));
672 //
673 // now iroc and oroc are placed into a sector...
674 //
a1ec4d07 675 TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side
676 TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side
677 //
1fba9945 678
c1637e41 679 TGeoRotation rot1("rot1",90.,90.,0.);
680 TGeoRotation rot2("rot2");
681 rot2.RotateY(10.);
682 TGeoRotation *rot = new TGeoRotation("rot");
683 *rot=rot1*rot2;
684 //
685 Double_t x0,y0;
d899e254 686 x0=110.2*TMath::Cos(openingAngle);
687 y0=110.2*TMath::Sin(openingAngle);
20527578 688 TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
689 TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
d899e254 690 x0=188.45*TMath::Cos(openingAngle);
691 y0=188.45*TMath::Sin(openingAngle);
20527578 692 TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
693 TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
a1ec4d07 694 //
695 // A-side
696 //
697 secta->AddNode(ch,1);
698 secta->AddNode(iroc,1,combi1a);
699 secta->AddNode(oroc,1,combi2a);
700 //
701 // C-side
c1637e41 702 //
a1ec4d07 703 sectc->AddNode(ch,1);
704 sectc->AddNode(iroc,1,combi1c);
705 sectc->AddNode(oroc,1,combi2c);
c1637e41 706 //
a1ec4d07 707 // now I try to make wheels...
c1637e41 708 //
a1ec4d07 709 TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP");
710 TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP");
c1637e41 711 //
712 for(Int_t i =0;i<18;i++){
713 Double_t phi = (20.*i);
714 TGeoRotation *r = new TGeoRotation();
715 r->RotateZ(phi);
a1ec4d07 716 wheela->AddNode(secta,i+1,r);
717 wheelc->AddNode(sectc,i+1,r);
c1637e41 718 }
719 // wheels in the drift volume!
c1637e41 720 TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
a1ec4d07 721 v9->AddNode(wheela,1,combi3);
722 v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
c1637e41 723 //_____________________________________________________________
724 // service support wheel
725 //_____________________________________________________________
726 TGeoPgon *sw = new TGeoPgon(0.,20.,1,2);
727 sw->DefineSection(0,-4.,80.5,251.75);
728 sw->DefineSection(1,4.,80.5,251.75);
729 TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
730 //
731 thick=1.;
d899e254 732 shift = thick/TMath::Sin(openingAngle);
c1637e41 733 TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
734 sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
735 sh->DefineSection(1,4.,81.5-shift,250.75-shift);
736 TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
737 //
74518339 738 TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si");
739 TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
740 el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
741 el->DefineSection(1,1.872,81.5-shift,250.75-shift);
742 TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si
743 //
744 shv->AddNode(elv,1);
745 //
746 //
d899e254 747 ys = shift*TMath::Sin(openingAngle);
748 xs = shift*TMath::Cos(openingAngle);
c1637e41 749 swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
750 // cover
751 TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
752 co->DefineSection(0,-0.5,77.,255.25);
753 co->DefineSection(1,0.5,77.,255.25);
754 TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
755 // hole in a cover
756 TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
d899e254 757 shift=4./TMath::Sin(openingAngle);
c1637e41 758 coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
759 coh->DefineSection(1,0.5,85.-shift,247.25-shift);
760 //
761 TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
762 //
d899e254 763 ys = shift*TMath::Sin(openingAngle);
764 xs = shift*TMath::Cos(openingAngle);
c1637e41 765 cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
766 //
767 // Sector as an Assembly
768 //
769 TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC");
770 swhs->AddNode(swv,1);
771 swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5));
772 swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5));
773 //
774 // SSW as an Assembly of sectors
775 //
776 TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL");
777 for(Int_t i =0;i<18;i++){
778 Double_t phi = (20.*i);
779 TGeoRotation *r = new TGeoRotation();
780 r->RotateZ(phi);
781 swheel->AddNode(swhs,i+1,r);
782 }
783 v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6));
784 v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
785 //
37831078 786 //----------------------------------------------------------
787 // TPc Support Rods - MAKROLON
788 //----------------------------------------------------------
c1637e41 789 TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
790 TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
78134e48 791 TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
792 TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");
793 TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
c1637e41 794 // upper and lower rods differ in length!
795 Double_t *upar;
796 upar=NULL;
797 gGeoManager->Volume("TPC_Rod","TUBE",m6->GetId(),upar);
798 upar=new Double_t [3];
799 upar[0]=1.8;
800 upar[1]=2.2;
801
802 //
803 //HV rods - makrolon + 0.58cm (diameter) Cu
ae4806ca 804 TGeoTube *hvr = new TGeoTube(0.,2.2,126.64);
c1637e41 805 TGeoTube *hvc = new TGeoTube(0.,0.29,126.64);
806 //
807 TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
808 TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
809 hvrv->AddNode(hvcv,1);
78134e48 810 //
811 // resistor rods
812 //
813 TGeoTube *cri = new TGeoTube(0.,0.45,126.64); //inner
814 TGeoTube *cro = new TGeoTube(0.,0.45,126.54); //outer
815 TGeoTube *cwi = new TGeoTube(0.,0.15,126.64); // water inner
816 TGeoTube *cwo = new TGeoTube(0.,0.15,126.54); // water outer
817 //
818 TGeoVolume *criv = new TGeoVolume("TPC_CR_I",cri,m10);
819 TGeoVolume *crov = new TGeoVolume("TPC_CR_O",cro,m10);
820 TGeoVolume *cwiv = new TGeoVolume("TPC_W_I",cwi,m11);
821 TGeoVolume *cwov = new TGeoVolume("TPC_W_O",cwo,m11);
822 //
823 // ceramic rod with water
824 //
825 criv->AddNode(cwiv,1);
826 crov->AddNode(cwov,1);
827 //
828 TGeoTube *pri =new TGeoTube(0.2,0.35,126.64); //inner
829 TGeoTube *pro = new TGeoTube(0.2,0.35,126.54); //outer
830 //
831 // peek rod
832 //
833 TGeoVolume *priv = new TGeoVolume("TPC_PR_I",pri,m12);
834 TGeoVolume *prov = new TGeoVolume("TPC_PR_O",pro,m12);
835 //
836 // resistor rods assembly
837 //
be53328e 838 TGeoRotation *rotr = new TGeoRotation("rotr");
839 rotr->RotateZ(-21.);
78134e48 840 TGeoTube *rri = new TGeoTube(1.8,2.2,126.64);//inner
841 TGeoTube *rro = new TGeoTube(1.8,2.2,126.54);//inner
842 //
843 TGeoVolume *rriv = new TGeoVolume("TPC_RR_I",rri,m6);
844 TGeoVolume *rrov = new TGeoVolume("TPC_RR_O",rro,m6);
845 //
a3d2be59 846 TGeoVolumeAssembly *rrin = new TGeoVolumeAssembly("TPC_RROD_I");
847 TGeoVolumeAssembly *rrou = new TGeoVolumeAssembly("TPC_RROD_O");
848 rrin->AddNode(rriv,1);
849 rrin->AddNode(criv,1,new TGeoTranslation(0.5,0.866, 0.));
850 rrin->AddNode(criv,2,new TGeoTranslation(0.5,-0.866, 0.));
851 rrin->AddNode(priv,1);
852 //
853 rrou->AddNode(rrov,1);
854 rrou->AddNode(crov,1,new TGeoTranslation(0.5,0.866, 0.));
855 rrou->AddNode(crov,2,new TGeoTranslation(0.5,-0.866, 0.));
856 rrou->AddNode(prov,1);
7281dc07 857 for(Int_t i=0;i<18;i++){
c1637e41 858 Double_t angle,x,y;
859 Double_t z,r;
860 angle=TMath::DegToRad()*20.*(Double_t)i;
861 r=81.5;
862 x=r * TMath::Cos(angle);
863 y=r * TMath::Sin(angle);
864 upar[2]=126.64; //lower
865 z= 126.96;
78134e48 866 if(i==3){
be53328e 867 v9->AddNode(rrin,1,new TGeoCombiTrans(x,y,z,rotr)); //A
868 v9->AddNode(rrin,2,new TGeoCombiTrans(x,y,-z,rotr)); //C
78134e48 869 }
870 else {
871 gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft
872 gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
c1637e41 873 }
78134e48 874
875
876 //
c1637e41 877 r=254.25;
878 x=r * TMath::Cos(angle);
879 y=r * TMath::Sin(angle);
880 upar[2]=126.54; //upper
881 z=127.06;
78134e48 882 //
883 if(i==15){
5042ab7d 884 //v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only
885 v9->AddNode(hvrv,1,new TGeoTranslation(x,y,127.14));//A-side only
78134e48 886 gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
887 }
888 else if(i==11){
be53328e 889 v9->AddNode(rrou,1,new TGeoCombiTrans(x,y,z,rotr)); //A
890 v9->AddNode(rrou,2,new TGeoCombiTrans(x,y,-z,rotr)); //C
78134e48 891 }
892 else{
893 //
894 gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
895 gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
896 }
897
37831078 898 }
899
bde68ab0 900 TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
901 alice->AddNode(v1,1);
902
79575d04 903
1283eee5 904} // end of function
905
fe4da5cc 906
907//_____________________________________________________________________________
908void AliTPCv0::CreateMaterials()
909{
910 //
911 // Define materials for the TPC
912 //
913 AliTPC::CreateMaterials();
914}
915
fe4da5cc 916
917//_____________________________________________________________________________
918void AliTPCv0::Init()
919{
920 //
921 // Initialise Time Projection Chamber version 0
922 //
13a8c8d7 923
924 printf("%s: *** TPC version 0 initialized***\n",ClassName());
925
926 // printf("TPC version 0 initialized\n");
fe4da5cc 927}
928
929//_____________________________________________________________________________
930void AliTPCv0::StepManager()
931{
932 //
933 // Procedure called at each step in the TPC
934 //
935}