corrected resistir rods
[u/mrichter/AliRoot.git] / TPC / AliTPCv1.cxx
CommitLineData
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>
88cb7938 34#include <TBRIK.h>
fe4da5cc 35#include <TGeometry.h>
88cb7938 36#include <TInterpreter.h>
37#include <TMath.h>
fe4da5cc 38#include <TNode.h>
fe4da5cc 39#include <TTUBE.h>
88cb7938 40#include <TVirtualMC.h>
d9e80aca 41#include <TString.h>
42#include <TSystem.h>
fe4da5cc 43
fe4da5cc 44#include "AliConst.h"
88cb7938 45#include "AliRun.h"
46#include "AliTPCDigitsArray.h"
8c555625 47#include "AliTPCParam.h"
73042f01 48#include "AliTPCParamSR.h"
88cb7938 49#include "AliTPCv1.h"
50#include "TLorentzVector.h"
5d12ce38 51#include "AliMC.h"
c1637e41 52#include "TGeoManager.h"
53#include "TGeoVolume.h"
54#include "TGeoPcon.h"
55#include "TGeoTube.h"
56#include "TGeoPgon.h"
57#include "TGeoTrd1.h"
58#include "TGeoCompositeShape.h"
59#include "TGeoPara.h"
fe4da5cc 60ClassImp(AliTPCv1)
6a905708 61
62//_____________________________________________________________________________
63
179c6296 64 AliTPCv1::AliTPCv1():AliTPC(),fIdSens(0)
65{
6a905708 66
67 fHitType = 1;
68
69}
fe4da5cc 70
71//_____________________________________________________________________________
72AliTPCv1::AliTPCv1(const char *name, const char *title)
179c6296 73 :AliTPC(name, title),fIdSens(0)
74 {
fe4da5cc 75 //
76 // Standard constructor for Time Projection Chamber
77 //
73042f01 78
73042f01 79
80 if (fTPCParam)
81 fTPCParam->Write(fTPCParam->GetTitle());
6a905708 82
83 fHitType=1;
fe4da5cc 84}
85
86//_____________________________________________________________________________
87void AliTPCv1::CreateGeometry()
88{
37831078 89 //-------------------------------------------------------------
fe4da5cc 90 // Creates geometry for Time Projection Chamber version 1
37831078 91 // Detailed geometry -- Fast simulation - space points
92 // at the pad-rows centers
93 // Origin M.Kowalski, INP Cracow, Marek.Kowalski@ifj.edu.pl
94 //-----------------------------------------------------------
95
fe4da5cc 96 //Begin_Html
97 /*
37831078 98 <img src="picts/AliTPC.gif">
fe4da5cc 99 */
100 //End_Html
101 //Begin_Html
102 /*
1439f98e 103 <img src="picts/AliTPCv1Tree.gif">
fe4da5cc 104 */
105 //End_Html
c1637e41 106 //----------------------------------------------------------
107 // This geometry is written using TGeo class
108 // Firstly the shapes are defined, and only then the volumes
109 // What is recognized by the MC are volumes
110 //----------------------------------------------------------
37831078 111 //
c1637e41 112 // tpc - this will be the mother volume
37831078 113 //
79575d04 114
37831078 115 //
c1637e41 116 // here I define a volume TPC
117 // retrive the medium name with "TPC_" as a leading string
37831078 118 //
78134e48 119 TGeoPcon *tpc = new TGeoPcon(0.,360.,20); //20 sections
37831078 120 //
78134e48 121 tpc->DefineSection(0,-291.,77.,278.);
122 tpc->DefineSection(1,-270,77.,278.);
37831078 123 //
78134e48 124 tpc->DefineSection(2,-270.,77.,278.);
125 tpc->DefineSection(3,-259.6,70.,278.);
37831078 126 //
78134e48 127 tpc->DefineSection(4,-259.6,68.1,278.);
128 tpc->DefineSection(5,-253.6,68.1,278.);
37831078 129 //
78134e48 130 tpc->DefineSection(6,-253.6,68.,278.);
131 tpc->DefineSection(7,-74.0,60.8,278.);
37831078 132 //
78134e48 133 tpc->DefineSection(8,-74.0,60.1,278.);
134 tpc->DefineSection(9,-73.3,60.1,278.);
37831078 135 //
78134e48 136 tpc->DefineSection(10,-73.3,56.9,278.);
137 tpc->DefineSection(11,73.3,56.9,278.);
37831078 138 //
78134e48 139 tpc->DefineSection(12,73.3,60.1,278.);
140 tpc->DefineSection(13,74.0,60.1,278.);
37831078 141 //
78134e48 142 tpc->DefineSection(14,74.0,60.8,278.);
143 tpc->DefineSection(15,253.6,65.5,278.);
144 //
145 tpc->DefineSection(16,253.6,65.6,278.);
146 tpc->DefineSection(17,259.6,65.6,278.);
147 //
148 tpc->DefineSection(18,259.6,70.0,278.);
149 tpc->DefineSection(19,291.,77.,278.);
37831078 150 //
c1637e41 151 TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
152 TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
79575d04 153 //
c1637e41 154 // drift volume - sensitive volume, extended beyond the
155 // endcaps, because of the alignment
37831078 156 //
c1637e41 157 TGeoPcon *dvol = new TGeoPcon(0.,360.,6);
158 dvol->DefineSection(0,-260.,74.5,264.4);
159 dvol->DefineSection(1,-253.6,74.5,264.4);
37831078 160 //
c1637e41 161 dvol->DefineSection(2,-253.6,76.6774,258.);
162 dvol->DefineSection(3,253.6,76.6774,258.);
37831078 163 //
c1637e41 164 dvol->DefineSection(4,253.6,74.5,264.4);
165 dvol->DefineSection(5,260.,74.5,264.4);
37831078 166 //
c1637e41 167 TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-1");
168 TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
37831078 169 //
37831078 170 //
c1637e41 171 v1->AddNode(v9,1);
720b23b8 172 //
c1637e41 173 // outer insulator
79575d04 174 //
c1637e41 175 TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator
176 //
177 tpco->DefineSection(0,-256.6,264.8,278.);
178 tpco->DefineSection(1,-253.6,264.8,278.);
179 //
180 tpco->DefineSection(2,-253.6,258.,278.);
181 tpco->DefineSection(3,250.6,258.,278.);
182 //
183 tpco->DefineSection(4,250.6,258.,275.5);
184 tpco->DefineSection(5,253.6,258.,275.5);
185 //
186 TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
187 TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
188 //
189 // outer containment vessel
190 //
191 TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
192 //
193 tocv->DefineSection(0,-256.6,264.8,278.);
194 tocv->DefineSection(1,-253.6,264.8,278.);
195 //
196 tocv->DefineSection(2,-253.6,274.8124,278.);
197 tocv->DefineSection(3,247.6,274.8124,278.);
198 //
199 tocv->DefineSection(4,247.6,270.4,278.);
200 tocv->DefineSection(5,250.6,270.4,278.);
201 //
202 TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al");
203 TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3);
204 //
205 TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy
206 TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar
207 TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2
208 TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex
209 //
210 TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
211 TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
212 TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2");
213 TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex");
214 //
215 TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1);
216 TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
217 TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
218 TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
1283eee5 219
37831078 220 //-------------------------------------------------------
221 // Tpc Outer Field Cage
c1637e41 222 // daughters - composite (sandwich)
37831078 223 //-------------------------------------------------------
1283eee5 224
c1637e41 225 TGeoPcon *tofc = new TGeoPcon(0.,360.,6);
79575d04 226 //
c1637e41 227 tofc->DefineSection(0,-253.6,258.,269.6);
228 tofc->DefineSection(1,-250.6,258.,269.6);
37831078 229 //
c1637e41 230 tofc->DefineSection(2,-250.6,258.,260.0676);
231 tofc->DefineSection(3,250.6,258.,260.0676);
37831078 232 //
c1637e41 233 tofc->DefineSection(4,250.6,258.,275.5);
234 tofc->DefineSection(5,253.6,258.,275.5);
37831078 235 //
c1637e41 236 TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3);
237 //sandwich
238 TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar
239 TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3
240 TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex
37831078 241 //
c1637e41 242 TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3");
37831078 243 //
c1637e41 244 TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2);
245 TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5);
246 TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4);
37831078 247 //
c1637e41 248 // outer part - positioning
37831078 249 //
c1637e41 250 tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);
37831078 251 //
c1637e41 252 tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);
37831078 253 //
456cb019 254 v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1);
37831078 255 //
c1637e41 256 v2->AddNode(v3,1); v2->AddNode(v4,1);
37831078 257 //
c1637e41 258 v1->AddNode(v2,1);
259 //--------------------------------------------------------------------
260 // Tpc Inner INsulator (CO2)
261 // the cones, the central drum and the inner f.c. sandwich with a piece
262 // of the flane will be placed in the TPC
263 //--------------------------------------------------------------------
264 TGeoPcon *tpci = new TGeoPcon(0.,360.,4);
1283eee5 265 //
c1637e41 266 tpci->DefineSection(0,-253.6,68.4,76.6774);
267 tpci->DefineSection(1,-74.0,61.2,76.6774);
1283eee5 268 //
c1637e41 269 tpci->DefineSection(2,74.0,61.2,76.6774);
37831078 270 //
c1637e41 271 tpci->DefineSection(3,253.6,65.9,76.6774);
37831078 272 //
c1637e41 273 TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2);
37831078 274 //
c1637e41 275 // now the inner field cage - only part of flanges (2 copies)
37831078 276 //
c1637e41 277 TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5);
278 TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3);
37831078 279 //
c1637e41 280 //---------------------------------------------------------
281 // Tpc Inner Containment vessel - Muon side
79575d04 282 //---------------------------------------------------------
c1637e41 283 TGeoPcon *tcms = new TGeoPcon(0.,360.,10);
37831078 284 //
c1637e41 285 tcms->DefineSection(0,-259.1,68.1,74.2);
286 tcms->DefineSection(1,-253.6,68.1,74.2);
37831078 287 //
c1637e41 288 tcms->DefineSection(2,-253.6,68.1,68.4);
289 tcms->DefineSection(3,-74.0,60.9,61.2);
37831078 290 //
c1637e41 291 tcms->DefineSection(4,-74.0,60.1,61.2);
292 tcms->DefineSection(5,-73.3,60.1,61.2);
37831078 293 //
c1637e41 294 tcms->DefineSection(6,-73.3,56.9,61.2);
295 tcms->DefineSection(7,-73.0,56.9,61.2);
37831078 296 //
c1637e41 297 tcms->DefineSection(8,-73.0,56.9,58.8);
298 tcms->DefineSection(9,-71.3,56.9,58.8);
37831078 299 //
c1637e41 300 TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3);
301 //-----------------------------------------------
302 // inner containment vessel - shaft side
303 //-----------------------------------------------
304 TGeoPcon *tcss = new TGeoPcon(0.,360.,10);
37831078 305 //
c1637e41 306 tcss->DefineSection(0,71.3,56.9,58.8);
307 tcss->DefineSection(1,73.0,56.9,58.8);
1283eee5 308 //
c1637e41 309 tcss->DefineSection(2,73.0,56.9,61.2);
310 tcss->DefineSection(3,73.3,56.9,61.2);
311 //
312 tcss->DefineSection(4,73.3,60.1,61.2);
313 tcss->DefineSection(5,74.0,60.1,61.2);
37831078 314 //
c1637e41 315 tcss->DefineSection(6,74.0,60.9,61.2);
316 tcss->DefineSection(7,253.6,65.6,65.9);
37831078 317 //
c1637e41 318 tcss->DefineSection(8,253.6,65.6,74.2);
319 tcss->DefineSection(9,258.1,65.6,74.2);
37831078 320 //
c1637e41 321 TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3);
322 //-----------------------------------------------
323 // Inner field cage
324 // define 4 parts and make an assembly
325 //-----------------------------------------------
326 // part1 - Al - 2 copies
327 TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75);
328 TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3);
329 // sandwich - outermost parts - 2 copies
330 TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns
331 TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns
332 TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns
333 TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm
37831078 334 //
c1637e41 335 TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2);
336 TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3);
337 TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5);
338 TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4);
37831078 339 //
c1637e41 340 // middle parts - 2 copies
341 TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns
342 TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns
343 TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns
344 TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm
79575d04 345 //
c1637e41 346 TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2);
347 TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3);
348 TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5);
349 TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4);
350 // central part - 1 copy
351 TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns
352 TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns
353 TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm
79575d04 354 //
c1637e41 355 TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
356 TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
357 TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4);
79575d04 358 //
c1637e41 359 // inner part - positioning
79575d04 360 //
c1637e41 361 // creating a sandwich
362 tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1);
79575d04 363 //
c1637e41 364 tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1);
79575d04 365 //
c1637e41 366 tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
37831078 367 //
c1637e41 368 TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC");
37831078 369 //
c1637e41 370 tv100->AddNode(tv10,1);
371 tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75));
372 tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75));
373 tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925));
374 tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925));
375 tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85));
376 tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85));
377 //
378 v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1));
379 v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1));
380 v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1);
381 v9->AddNode(tv100,1);
382 //
383 // central drum
384 //
385 // flange + sandwich
386 //
387 TGeoPcon *cfl = new TGeoPcon(0.,360.,6);
388 cfl->DefineSection(0,-71.1,59.7,61.2);
389 cfl->DefineSection(1,-68.6,59.7,61.2);
390 //
391 cfl->DefineSection(2,-68.6,60.6324,61.2);
392 cfl->DefineSection(3,68.6,60.6324,61.2);
393 //
394 cfl->DefineSection(4,68.6,59.7,61.2);
395 cfl->DefineSection(5,71.1,59.7,61.2);
396 //
397 TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3);
398 // sandwich
399 TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1);
400 TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1);
401 TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1);
402 //
403 TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1");
404 TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar
405 TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1
406 TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm4); //nomex
407 //
408 // seals for central drum 2 copies
409 //
410 TGeoTube *cs = new TGeoTube(56.9,61.2,0.1);
411 TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar");
412 TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7);
78134e48 413 v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2));
414 v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2));
c1637e41 415 //
416 // seal collars
417 TGeoPcon *se = new TGeoPcon(0.,360.,6);
418 se->DefineSection(0,-72.8,59.7,61.2);
419 se->DefineSection(1,-72.3,59.7,61.2);
420 //
421 se->DefineSection(2,-72.3,58.85,61.2);
422 se->DefineSection(3,-71.6,58.85,61.2);
423 //
424 se->DefineSection(4,-71.6,59.7,61.2);
425 se->DefineSection(5,-71.3,59.7,61.2);
426 //
427 TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3);
428 //
429 TGeoTube *si = new TGeoTube(56.9,58.8,1.);
430 TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3);
431 //
432 // define reflection matrix
433 //
4fa47888 434 TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.);
c1637e41 435 //
436 cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1);
437 //
a1ec4d07 438 v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9));
439 v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9));
c1637e41 440 v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1);
441 //
442 // central membrane - 2 rings and a mylar membrane - assembly
443 //
444 TGeoTube *ih = new TGeoTube(81.05,84.05,0.3);
445 TGeoTube *oh = new TGeoTube(250.,256.,.5);
446 TGeoTube *mem = new TGeoTube(84.05,250,0.01);
447 TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3);
448 TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3);
449 TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7);
450 //
451 TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM");
452 cm->AddNode(ihv,1);
453 cm->AddNode(ohv,1);
454 cm->AddNode(memv,1);
455 v9->AddNode(cm,1);
456 //
457 // end caps - they are make as an assembly of single segments
458 // containing both readout chambers
459 //
d899e254 460 Double_t openingAngle = 10.*TMath::DegToRad();
c1637e41 461 Double_t thick=1.5; // rib
d899e254 462 Double_t shift = thick/TMath::Sin(openingAngle);
c1637e41 463 //
d899e254 464 Double_t lowEdge = 86.3; // hole in the wheel
465 Double_t upEdge = 240.4; // hole in the wheel
c1637e41 466 //
467 new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
468 //
469 TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
470 //
d899e254 471 hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift);
472 hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift);
c1637e41 473 //
d899e254 474 hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift);
475 hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift);
c1637e41 476 //
d899e254 477 Double_t ys = shift*TMath::Sin(openingAngle);
478 Double_t xs = shift*TMath::Cos(openingAngle);
c1637e41 479 TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
480 tr->RegisterYourself();
481 TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
482 TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3);
483 TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2);
484 bar->DefineSection(0,-3.,131.5-shift,136.5-shift);
485 bar->DefineSection(1,1.5,131.5-shift,136.5-shift);
486 TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3);
487 TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment
488 //
489 ch->AddNode(sv,1); ch->AddNode(barv,1,tr);
490 //
491 // readout chambers
492 //
493 // IROC first
494 //
495 TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15);
496 TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3);
37831078 497 // empty space
c1637e41 498 TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65);
499 TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1);
500 ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.));
501 //bars
502 Double_t tga = (19.8328-12.3742)/39.3;
503 Double_t xmin,xmax;
504 xmin = 9.55*tga+12.3742;
505 xmax = 9.95*tga+12.3742;
506 TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2);
507 TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3);
508 empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9));
509 xmin=19.4*tga+12.3742;
510 xmax=19.9*tga+12.3742;
511 TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25);
512 TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3);
513 empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.));
514 xmin=29.35*tga+12.3742;
515 xmax=29.75*tga+12.3742;
516 TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2);
517 TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3);
518 empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9));
519 //
520 // holes for connectors
521 //
522 TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc
523 TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1);
d9e80aca 524 TString fileName(gSystem->Getenv("ALICE_ROOT"));
525 fileName += "/TPC/conn_iroc.dat";
c1637e41 526 ifstream in;
d9e80aca 527 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 528 for(Int_t i =0;i<86;i++){
456cb019 529 Double_t y = 3.99;
c1637e41 530 Double_t x,z,ang;
531 in>>x>>z>>ang;
456cb019 532 z-=26.5;
c1637e41 533 TGeoRotation *rrr = new TGeoRotation();
534 rrr->RotateY(ang);
535 TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr);
536 ibdv->AddNode(connv,i+1,trans);
537 }
538 in.close();
539 // "cap"
540 new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825);
541 // "hole"
542 new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15);
543 TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725);
544 tr1->RegisterYourself();
545 TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1");
546 TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3);
547 //
548 // pad plane and wire fixations
549 //
550 TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso
551 TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
552 TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4);
553 TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.);
554 TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4);
555 TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.);
556 TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4);
557 //
558 TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC");
559 //
560 iroc->AddNode(ibdv,1);
561 iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725));
562 iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725));
563 tga =(23.3521-14.5974)/49.65;
564 Double_t xx = 24.825*tga+14.5974-0.6;
565 iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725));
566 iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725));
567 //
568 // OROC
569 //
570 TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65);
571 TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3);
572 TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65);
573 TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1);
574 obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.));
575 //horizontal bars
576 tga=(38.5084-20.2938)/99.3;
577 xmin=tga*10.2+20.2938;
578 xmax=tga*10.6+20.2938;
579 TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2);
580 TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3);
581 //
582 xmin=22.55*tga+20.2938;
583 xmax=24.15*tga+20.2938;
584 TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8);
585 TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3);
586 //
587 xmin=36.1*tga+20.2938;
588 xmax=36.5*tga+20.2938;
589 TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2);
590 TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3);
591 //
592 xmin=49.0*tga+20.2938;
593 xmax=50.6*tga+20.2938;
594 TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8);
595 TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3);
596 //
597 xmin=63.6*tga+20.2938;
598 xmax=64.0*tga+20.2938;
599 TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2);
600 TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3);
601 //
602 xmin=75.5*tga+20.2938;
603 xmax=77.15*tga+20.2938;
604 TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8);
605 TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3);
606 //
607 xmin=88.7*tga+20.2938;
608 xmax=89.1*tga+20.2938;
609 TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2);
610 TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3);
611 //
612 oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25));
613 oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3));
614 oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35));
615 oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15));
616 oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15));
617 oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7));
618 oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25));
619 // vertical bars
620 TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1);
621 TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975);
622 TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775);
623 TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25);
624 TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5);
625 //
626 TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3);
627 TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3);
628 TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3);
629 TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3);
630 TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3);
631 //
632 oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55));
633 oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55));
634 oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075));
635 oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525));
636 oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125));
637 oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275));
638 oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9));
639 oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45));
640 //
641 // holes for connectors
642 //
d9e80aca 643 fileName = gSystem->Getenv("ALICE_ROOT");
644 fileName += "/TPC/conn_oroc.dat";
645 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 646 for(Int_t i =0;i<78;i++){
647 Double_t y =3.89;
648 Double_t x,z,ang;
649 Double_t x1,z1,x2,z2;
650 in>>x>>z>>ang;
651 Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad());
652 Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad());
653 //
654 x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z;
655 //
656 TGeoRotation *rr = new TGeoRotation();
657 rr->RotateY(ang);
658 z1-=54.95;
659 z2-=54.95;
660 TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr);
661 TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr);
662 obdv->AddNode(connv,i+1,trans1);
663 obdv->AddNode(connv,i+79,trans2);
664 }
665 in.close();
666 // cap
667 new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1);
668 new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65);
669 TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15);
670 tr5->RegisterYourself();
671 TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5");
672 TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3);
673 //
674 // pad plane and wire fixations
675 //
676 TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1);
677 TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4);
678 //
679 tga=(43.5239-23.3874)/114.2;
680 TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.);
681 TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.);
682 xx = 57.1*tga+23.3874-0.7;
683 TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4);
684 TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4);
685 //
686 TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC");
687 //
688 oroc->AddNode(obdv,1);
689 oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15));
690 oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15));
691 oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15));
692 oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15));
693 //
694 // now iroc and oroc are placed into a sector...
695 //
a1ec4d07 696 TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side
697 TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side
c1637e41 698 TGeoRotation rot1("rot1",90.,90.,0.);
699 TGeoRotation rot2("rot2");
700 rot2.RotateY(10.);
701 TGeoRotation *rot = new TGeoRotation("rot");
702 *rot=rot1*rot2;
703 //
704 Double_t x0,y0;
d899e254 705 x0=110.2*TMath::Cos(openingAngle);
706 y0=110.2*TMath::Sin(openingAngle);
20527578 707 TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
708 TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
d899e254 709 x0=188.45*TMath::Cos(openingAngle);
710 y0=188.45*TMath::Sin(openingAngle);
20527578 711 TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
712 TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
c1637e41 713 //
a1ec4d07 714 // A-side
c1637e41 715 //
a1ec4d07 716 secta->AddNode(ch,1);
717 secta->AddNode(iroc,1,combi1a);
718 secta->AddNode(oroc,1,combi2a);
c1637e41 719 //
a1ec4d07 720 // C-side
721 //
722 sectc->AddNode(ch,1);
723 sectc->AddNode(iroc,1,combi1c);
724 sectc->AddNode(oroc,1,combi2c);
725 //
726 // now I try to make wheels...
727 //
728 TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP");
729 TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP");
c1637e41 730 //
731 for(Int_t i =0;i<18;i++){
732 Double_t phi = (20.*i);
733 TGeoRotation *r = new TGeoRotation();
734 r->RotateZ(phi);
a1ec4d07 735 wheela->AddNode(secta,i+1,r);
736 wheelc->AddNode(sectc,i+1,r);
c1637e41 737
738 }
739 // wheels in the drift volume!
c1637e41 740 TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
a1ec4d07 741 v9->AddNode(wheela,1,combi3);
742 v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
c1637e41 743
744 //_____________________________________________________________
745 // service support wheel
746 //_____________________________________________________________
747 TGeoPgon *sw = new TGeoPgon(0.,20.,1,2);
748 sw->DefineSection(0,-4.,80.5,251.75);
749 sw->DefineSection(1,4.,80.5,251.75);
750 TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
751 //
752 thick=1.;
d899e254 753 shift = thick/TMath::Sin(openingAngle);
c1637e41 754 TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
755 sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
756 sh->DefineSection(1,4.,81.5-shift,250.75-shift);
757 TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
758 //
74518339 759 TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si");
760 TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
761 el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
762 el->DefineSection(1,1.872,81.5-shift,250.75-shift);
763 TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si
764 //
765 shv->AddNode(elv,1);
766 //
767 //
d899e254 768 ys = shift*TMath::Sin(openingAngle);
769 xs = shift*TMath::Cos(openingAngle);
c1637e41 770 swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
771 // cover
772 TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
773 co->DefineSection(0,-0.5,77.,255.25);
774 co->DefineSection(1,0.5,77.,255.25);
775 TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
776 // hole in a cover
777 TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
d899e254 778 shift=4./TMath::Sin(openingAngle);
c1637e41 779 coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
780 coh->DefineSection(1,0.5,85.-shift,247.25-shift);
781 //
782 TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
783 //
d899e254 784 ys = shift*TMath::Sin(openingAngle);
785 xs = shift*TMath::Cos(openingAngle);
c1637e41 786 cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
787 //
788 // Sector as an Assembly
789 //
790 TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC");
791 swhs->AddNode(swv,1);
792 swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5));
793 swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5));
794 //
795 // SSW as an Assembly of sectors
796 //
797 TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL");
798 for(Int_t i =0;i<18;i++){
799 Double_t phi = (20.*i);
800 TGeoRotation *r = new TGeoRotation();
801 r->RotateZ(phi);
802 swheel->AddNode(swhs,i+1,r);
803 }
804 v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6));
805 v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
806
807 // sensitive strips
808 TGeoMedium *m8 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2");
809 Int_t totrows;
810 totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp();
811 Double_t *upar;
812 upar=NULL;
813 gGeoManager->Volume("TPC_Strip","PGON",m8->GetId(),upar);
814 upar=new Double_t [10];
815 upar[0]=0.;
816 upar[1]=360.;
817 upar[2]=18.;
818 upar[3]=2.;
819 //
820 upar[4]=-124.8;
821 upar[7]=124.8;
822
823 Double_t rlow=fTPCParam->GetPadRowRadiiLow(0);
824
825 upar[5]=rlow;
826 upar[6]=rlow+.01;
827 upar[8]=upar[5];
828 upar[9]=upar[6];
829 //
830 gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
831 gGeoManager->Node("TPC_Strip",totrows+1,
832 "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
833 //
834 // now, strips
835 //
836 //lower sectors
837 for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){
838 rlow=fTPCParam->GetPadRowRadiiLow(i-1);
839 upar[5]=rlow;
840 upar[6]=rlow+.01;
841 upar[8]=upar[5];
842 upar[9]=upar[6];
843 gGeoManager->Node("TPC_Strip",i,
844 "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
845 gGeoManager->Node("TPC_Strip",totrows+i,
846 "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
847 }
848 //upper sectors
849 for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){
850 rlow=fTPCParam->GetPadRowRadiiUp(i-1);
851 upar[5]=rlow;
852 upar[6]=rlow+.01;
853 upar[8]=upar[5];
854 upar[9]=upar[6];
855 gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(),
856 "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
857 gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(),
858 "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
859 }
37831078 860
37831078 861 //----------------------------------------------------------
c1637e41 862 // TPc Support Rods - MAKROLON
37831078 863 //----------------------------------------------------------
c1637e41 864 TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
865 TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
78134e48 866 TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
867 TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");
868 TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
c1637e41 869 // upper and lower rods differ in length!
870 delete [] upar;
871 upar=NULL;
872 gGeoManager->Volume("TPC_Rod","TUBE",m6->GetId(),upar);
873 upar=new Double_t [3];
874 upar[0]=1.8;
875 upar[1]=2.2;
fe4da5cc 876
c1637e41 877 //
878 //HV rods - makrolon + 0.58cm (diameter) Cu
ae4806ca 879 TGeoTube *hvr = new TGeoTube(0.,2.2,126.64);
c1637e41 880 TGeoTube *hvc = new TGeoTube(0.,0.29,126.64);
881 //
882 TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
883 TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
884 hvrv->AddNode(hvcv,1);
78134e48 885 //
886 // resistor rods
887 //
888 TGeoTube *cri = new TGeoTube(0.,0.45,126.64); //inner
889 TGeoTube *cro = new TGeoTube(0.,0.45,126.54); //outer
890 TGeoTube *cwi = new TGeoTube(0.,0.15,126.64); // water inner
891 TGeoTube *cwo = new TGeoTube(0.,0.15,126.54); // water outer
892 //
893 TGeoVolume *criv = new TGeoVolume("TPC_CR_I",cri,m10);
894 TGeoVolume *crov = new TGeoVolume("TPC_CR_O",cro,m10);
895 TGeoVolume *cwiv = new TGeoVolume("TPC_W_I",cwi,m11);
896 TGeoVolume *cwov = new TGeoVolume("TPC_W_O",cwo,m11);
897 //
898 // ceramic rod with water
899 //
900 criv->AddNode(cwiv,1);
901 crov->AddNode(cwov,1);
902 //
903 TGeoTube *pri =new TGeoTube(0.2,0.35,126.64); //inner
904 TGeoTube *pro = new TGeoTube(0.2,0.35,126.54); //outer
905 //
906 // peek rod
907 //
908 TGeoVolume *priv = new TGeoVolume("TPC_PR_I",pri,m12);
909 TGeoVolume *prov = new TGeoVolume("TPC_PR_O",pro,m12);
910 //
911 // resistor rods assembly
912 //
913 TGeoRotation rotr("rotr");
914 rotr.RotateZ(-21.);
915 //
916 TGeoTube *rri = new TGeoTube(1.8,2.2,126.64);//inner
917 TGeoTube *rro = new TGeoTube(1.8,2.2,126.54);//inner
918 //
919 TGeoVolume *rriv = new TGeoVolume("TPC_RR_I",rri,m6);
920 TGeoVolume *rrov = new TGeoVolume("TPC_RR_O",rro,m6);
921 //
922 //
a3d2be59 923 TGeoVolumeAssembly *rrin = new TGeoVolumeAssembly("TPC_RROD_I");
924 TGeoVolumeAssembly *rrou = new TGeoVolumeAssembly("TPC_RROD_O");
925 rrin->AddNode(rriv,1);
926 rrin->AddNode(criv,1,new TGeoTranslation(0.5,0.866, 0.));
927 rrin->AddNode(criv,2,new TGeoTranslation(0.5,-0.866, 0.));
928 rrin->AddNode(priv,1);
929 //
930 rrou->AddNode(rrov,1);
931 rrou->AddNode(crov,1,new TGeoTranslation(0.5,0.866, 0.));
932 rrou->AddNode(crov,2,new TGeoTranslation(0.5,-0.866, 0.));
933 rrou->AddNode(prov,1);
7281dc07 934 for(Int_t i=0;i<18;i++){
c1637e41 935 Double_t angle,x,y;
936 Double_t z,r;
937 angle=TMath::DegToRad()*20.*(Double_t)i;
938 r=81.5;
939 x=r * TMath::Cos(angle);
940 y=r * TMath::Sin(angle);
941 upar[2]=126.64; //lower
942 z= 126.96;
78134e48 943 if(i==3){
a3d2be59 944 v9->AddNode(rrin,1,new TGeoCombiTrans(x,y,z,&rotr)); //A
945 v9->AddNode(rrin,2,new TGeoCombiTrans(x,y,-z,&rotr)); //C
78134e48 946 }
947 else {
948 gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft
949 gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
c1637e41 950 }
78134e48 951
952 //
c1637e41 953 r=254.25;
954 x=r * TMath::Cos(angle);
955 y=r * TMath::Sin(angle);
956 upar[2]=126.54; //upper
957 z=127.06;
78134e48 958 //
959 if(i==15){
960 v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only
961 gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
962 }
963 else if(i==11){
a3d2be59 964 v9->AddNode(rrou,1,new TGeoCombiTrans(x,y,z,&rotr)); //A
965 v9->AddNode(rrou,2,new TGeoCombiTrans(x,y,-z,&rotr)); //C
78134e48 966 }
967 else{
968 //
969 gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
970 gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
971 }
c1637e41 972 gGeoManager->Node("TPC_Rod",i+36,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
973 gGeoManager->Node("TPC_Rod",i+54,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
37831078 974 }
975
bde68ab0 976 TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
977 alice->AddNode(v1,1);
37831078 978
979} // end of function
980
fe4da5cc 981//_____________________________________________________________________________
8c555625 982void AliTPCv1::DrawDetector()
fe4da5cc 983{
984 //
985 // Draw a shaded view of the Time Projection Chamber version 1
986 //
987
fe4da5cc 988 // Set everything unseen
cfce8870 989 gMC->Gsatt("*", "seen", -1);
fe4da5cc 990 //
991 // Set ALIC mother transparent
cfce8870 992 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 993 //
994 // Set the volumes visible
37831078 995 gMC->Gsatt("TPC ","SEEN",0);
996 gMC->Gsatt("TOIN","SEEN",1);
997 gMC->Gsatt("TOIN","COLO",7);
37831078 998 gMC->Gsatt("TOCV","SEEN",1);
999 gMC->Gsatt("TOCV","COLO",4);
1000 gMC->Gsatt("TSA1","SEEN",0);
1001 gMC->Gsatt("TSA2","SEEN",0);
1002 gMC->Gsatt("TSA3","SEEN",0);
79575d04 1003 gMC->Gsatt("TSA4","SEEN",0);
1004 gMC->Gsatt("TSA5","SEEN",0);
37831078 1005 gMC->Gsatt("TOFC","SEEN",1);
1006 gMC->Gsatt("TOFC","COLO",4);
37831078 1007 gMC->Gsatt("TSA6","SEEN",0);
1008 gMC->Gsatt("TSA7","SEEN",0);
79575d04 1009 gMC->Gsatt("TSA8","SEEN",0);
37831078 1010 gMC->Gsatt("TIIN","SEEN",1);
79575d04 1011 gMC->Gsatt("TIIN","COLO",7);
1012 gMC->Gsatt("TII1","SEEN",0);
1013 gMC->Gsatt("TIFC","SEEN",1);
1014 gMC->Gsatt("TIFC","COLO",4);
1015 gMC->Gsatt("TSA9","SEEN",0);
37831078 1016 gMC->Gsatt("TS10","SEEN",0);
1017 gMC->Gsatt("TS11","SEEN",0);
1018 gMC->Gsatt("TS12","SEEN",0);
37831078 1019 gMC->Gsatt("TS13","SEEN",0);
1020 gMC->Gsatt("TS14","SEEN",0);
79575d04 1021 gMC->Gsatt("TICC","SEEN",0);
1022 gMC->Gsatt("TICM","SEEN",0);
37831078 1023 gMC->Gsatt("TS15","SEEN",0);
1024 gMC->Gsatt("TS16","SEEN",0);
37831078 1025 gMC->Gsatt("TS17","SEEN",0);
79575d04 1026 gMC->Gsatt("TS18","SEEN",0);
1027 gMC->Gsatt("TS19","SEEN",0);
1028 gMC->Gsatt("TPJ1","SEEN",0);
1029 gMC->Gsatt("TPJ2","SEEN",0);
1030 gMC->Gsatt("TICS","SEEN",0);
1031 gMC->Gsatt("TDGN","SEEN",0);
37831078 1032 gMC->Gsatt("TIRC","SEEN",0);
1033 gMC->Gsatt("TIC1","SEEN",1);
1034 gMC->Gsatt("TIPP","SEEN",0);
1035 gMC->Gsatt("TIC3","SEEN",0);
1036 gMC->Gsatt("TRCE","SEEN",0);
1037 gMC->Gsatt("TPSC","SEEN",0);
79575d04 1038 gMC->Gsatt("TPCC","SEEN",0);
37831078 1039 gMC->Gsatt("TORC","SEEN",0);
1040 gMC->Gsatt("TOPP","SEEN",0);
1041 gMC->Gsatt("TOC3","SEEN",0);
1042 gMC->Gsatt("TOC1","SEEN",1);
1043 gMC->Gsatt("TSSW","SEEN",1);
1044 gMC->Gsatt("TSWC","SEEN",1);
37831078 1045 gMC->Gsatt("TSSW","COLO",3);
1046 gMC->Gsatt("TSWC","COLO",3);
1047 gMC->Gsatt("TSCE","COLO",6);
79575d04 1048 gMC->Gsatt("TSCE","SEEN",1);
37831078 1049 gMC->Gsatt("TWES","SEEN",0);
1050 gMC->Gsatt("TSWB","SEEN",0);
1051 gMC->Gsatt("TPEL","SEEN",0);
1052 gMC->Gsatt("TPMW","SEEN",1);
37831078 1053 gMC->Gsatt("TESR","SEEN",1);
1054 gMC->Gsatt("TPMW","COLO",12);
37831078 1055 gMC->Gsatt("TIC1","COLO",5);
79575d04 1056 gMC->Gsatt("TOC1","COLO",5);
37831078 1057 gMC->Gsatt("TESB","SEEN",0);
37831078 1058 gMC->Gsatt("THVM","SEEN",1);
1059 gMC->Gsatt("THVM","COLO",11);
79575d04 1060 gMC->Gsatt("THVH","SEEN",0);
1061 gMC->Gsatt("TPSR","SEEN",0);
37831078 1062 gMC->Gsatt("THVL","SEEN",0);
79575d04 1063 gMC->Gsatt("THVC","SEEN",0);
37831078 1064 gMC->Gsatt("THVE","SEEN",0);
1065 gMC->Gsatt("THVR","SEEN",0);
79575d04 1066 gMC->Gsatt("TPSS","SEEN",0);
1067 gMC->Gsatt("TPUS","SEEN",0);
1068 gMC->Gsatt("TPLS","SEEN",0);
1069
1070 //
cfce8870 1071 gMC->Gdopt("hide", "on");
1072 gMC->Gdopt("shad", "on");
1073 gMC->Gsatt("*", "fill", 7);
1074 gMC->SetClipBox(".");
37831078 1075 gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
1076 gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
1077 gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
1078 gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
1079 gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
cfce8870 1080 gMC->DefaultRange();
1081 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
1082 gMC->Gdhead(1111, "Time Projection Chamber");
1083 gMC->Gdman(18, 4, "MAN");
1084 gMC->Gdopt("hide","off");
fe4da5cc 1085}
1086
1087//_____________________________________________________________________________
1088void AliTPCv1::CreateMaterials()
1089{
1090 //
1091 // Define materials for Time Projection Chamber
1092 //
1093 AliTPC::CreateMaterials();
1094}
1095
1096//_____________________________________________________________________________
1097void AliTPCv1::Init()
1098{
1099 //
1100 // Initialises TPC detector after it has been created
1101 //
cfce8870 1102
c1637e41 1103 fIdSens=gMC->VolId("TPC_Strip"); // sensitive strip
fe4da5cc 1104
13a8c8d7 1105 printf("%s: *** TPC version 1 initialized***\n",ClassName());
1106
1107 // printf("TPC version 1 initialized\n");
fe4da5cc 1108}
1109
1110//_____________________________________________________________________________
1111void AliTPCv1::StepManager()
1112{
1113 //
1114 // Called at every step in the Time Projection Chamber
1115 //
0a6d8768 1116 Int_t copy, id, i;
e61fd20d 1117 Float_t hits[5];
fe4da5cc 1118 Int_t vol[2];
0a6d8768 1119 TLorentzVector p;
6a905708 1120 //
1283eee5 1121
c1637e41 1122 id = gMC->CurrentVolID(copy);
1123 if(id!=fIdSens) return;
0a6d8768 1124 if(gMC->TrackCharge() && gMC->IsTrackEntering()) {
37831078 1125
1126 //
1127 // Only charged tracks entering the sensitive volume
fe4da5cc 1128 //
37831078 1129
c1637e41 1130 gMC->TrackPosition(p);
1131 Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
1132 //
1133
1134 //
1135 Double_t angle = TMath::ACos(p[0]/r);
1136 angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle;
1137 //
1138 // angular segment, it is not a real sector number...
1139 //
1140 Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/
1141 fTPCParam->GetInnerAngle());
1142 // rotate to segment "0"
1143 Float_t cos,sin;
1144 fTPCParam->AdjustCosSin(sector,cos,sin);
1145 Float_t x1 = p[0]*cos + p[1]*sin;
1146 Float_t y1 = TMath::Abs(-p[0]*sin + p[1]*cos);
1147 // calculate real sector number...
1148 if (x1>fTPCParam->GetOuterRadiusLow()){
1149 sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/
1150 fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector();
1151 if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1);
1152 }
1153 else
1154 if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1);
1155 //
1156 // here I have a sector number
1157 //
1158 vol[0]=sector;
1159 //
1160 Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp();
1161 vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows;
1162 // row numbers are autonomous for lower and upper sectors
1163 if(vol[0] > fTPCParam->GetNInnerSector()) {
1164 vol[1] -= fTPCParam->GetNRowLow();
1165 }
1166 Double_t range = (sector<36) ? fTPCParam->GetYInner(vol[1]) :
1167 fTPCParam->GetYOuter(vol[1]);
1168 if(y1>range) return;
1169 if(vol[1] == 0){
37831078 1170
1171 // because Jouri wants to have this
1172
1173 gMC->TrackMomentum(p);
1174 hits[0]=p[0];
1175 hits[1]=p[1];
1176 hits[2]=p[2];
1177 hits[3]=0.; // this hit has no energy loss
e61fd20d 1178 // Get also the track time for pileup simulation
1179 hits[4]=gMC->TrackTime();
1180
c1637e41 1181 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I.
1182 }
1183 gMC->TrackPosition(p);
37831078 1184 for(i=0;i<3;++i) hits[i]=p[i];
1185 hits[3]=1; //I'd like to have something positive here (I.Belikov)
e61fd20d 1186 // Get also the track time for pileup simulation
1187 hits[4]=gMC->TrackTime();
1188
c1637e41 1189 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I.
37831078 1190
c1637e41 1191 }// track entering sensitive strip
37831078 1192
fe4da5cc 1193}
37831078 1194//_____________________________________________________________________________
1283eee5 1195
1196
1197