Gspos replaced by AddNode for the final positioning in ALICE
[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
64 AliTPCv1::AliTPCv1(){
65
66 fHitType = 1;
67
68}
fe4da5cc 69
70//_____________________________________________________________________________
71AliTPCv1::AliTPCv1(const char *name, const char *title)
72 :AliTPC(name, title) {
73 //
74 // Standard constructor for Time Projection Chamber
75 //
c1637e41 76 fIdSens=0;
73042f01 77
73042f01 78
79 if (fTPCParam)
80 fTPCParam->Write(fTPCParam->GetTitle());
6a905708 81
82 fHitType=1;
fe4da5cc 83}
84
85//_____________________________________________________________________________
86void AliTPCv1::CreateGeometry()
87{
37831078 88 //-------------------------------------------------------------
fe4da5cc 89 // Creates geometry for Time Projection Chamber version 1
37831078 90 // Detailed geometry -- Fast simulation - space points
91 // at the pad-rows centers
92 // Origin M.Kowalski, INP Cracow, Marek.Kowalski@ifj.edu.pl
93 //-----------------------------------------------------------
94
fe4da5cc 95 //Begin_Html
96 /*
37831078 97 <img src="picts/AliTPC.gif">
fe4da5cc 98 */
99 //End_Html
100 //Begin_Html
101 /*
1439f98e 102 <img src="picts/AliTPCv1Tree.gif">
fe4da5cc 103 */
104 //End_Html
c1637e41 105 //----------------------------------------------------------
106 // This geometry is written using TGeo class
107 // Firstly the shapes are defined, and only then the volumes
108 // What is recognized by the MC are volumes
109 //----------------------------------------------------------
37831078 110 //
c1637e41 111 // tpc - this will be the mother volume
37831078 112 //
79575d04 113
37831078 114 //
c1637e41 115 // here I define a volume TPC
116 // retrive the medium name with "TPC_" as a leading string
37831078 117 //
c1637e41 118 TGeoPcon *tpc = new TGeoPcon(0.,360.,18); //18 sections
119 tpc->DefineSection(0,-290.,77.,278.);
456cb019 120 tpc->DefineSection(1,-259.6,70.,278.);
37831078 121 //
c1637e41 122 tpc->DefineSection(2,-259.6,68.1,278.);
123 tpc->DefineSection(3,-253.6,68.1,278.);
37831078 124 //
c1637e41 125 tpc->DefineSection(4,-253.6,68.,278.);
126 tpc->DefineSection(5,-74.0,60.8,278.);
37831078 127 //
c1637e41 128 tpc->DefineSection(6,-74.0,60.1,278.);
129 tpc->DefineSection(7,-73.3,60.1,278.);
37831078 130 //
c1637e41 131 tpc->DefineSection(8,-73.3,56.9,278.);
132 tpc->DefineSection(9,73.3,56.9,278.);
37831078 133 //
c1637e41 134 tpc->DefineSection(10,73.3,60.1,278.);
135 tpc->DefineSection(11,74.0,60.1,278.);
37831078 136 //
c1637e41 137 tpc->DefineSection(12,74.0,60.8,278.);
138 tpc->DefineSection(13,253.6,65.5,278.);
37831078 139 //
c1637e41 140 tpc->DefineSection(14,253.6,65.6,278.);
141 tpc->DefineSection(15,259.6,65.6,278.);
37831078 142 //
456cb019 143 tpc->DefineSection(16,259.6,70.0,278.);
c1637e41 144 tpc->DefineSection(17,290.,77.,278.);
37831078 145 //
c1637e41 146 TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
147 TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
79575d04 148 //
c1637e41 149 // drift volume - sensitive volume, extended beyond the
150 // endcaps, because of the alignment
37831078 151 //
c1637e41 152 TGeoPcon *dvol = new TGeoPcon(0.,360.,6);
153 dvol->DefineSection(0,-260.,74.5,264.4);
154 dvol->DefineSection(1,-253.6,74.5,264.4);
37831078 155 //
c1637e41 156 dvol->DefineSection(2,-253.6,76.6774,258.);
157 dvol->DefineSection(3,253.6,76.6774,258.);
37831078 158 //
c1637e41 159 dvol->DefineSection(4,253.6,74.5,264.4);
160 dvol->DefineSection(5,260.,74.5,264.4);
37831078 161 //
c1637e41 162 TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-1");
163 TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
37831078 164 //
37831078 165 //
c1637e41 166 v1->AddNode(v9,1);
720b23b8 167 //
c1637e41 168 // outer insulator
79575d04 169 //
c1637e41 170 TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator
171 //
172 tpco->DefineSection(0,-256.6,264.8,278.);
173 tpco->DefineSection(1,-253.6,264.8,278.);
174 //
175 tpco->DefineSection(2,-253.6,258.,278.);
176 tpco->DefineSection(3,250.6,258.,278.);
177 //
178 tpco->DefineSection(4,250.6,258.,275.5);
179 tpco->DefineSection(5,253.6,258.,275.5);
180 //
181 TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
182 TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
183 //
184 // outer containment vessel
185 //
186 TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
187 //
188 tocv->DefineSection(0,-256.6,264.8,278.);
189 tocv->DefineSection(1,-253.6,264.8,278.);
190 //
191 tocv->DefineSection(2,-253.6,274.8124,278.);
192 tocv->DefineSection(3,247.6,274.8124,278.);
193 //
194 tocv->DefineSection(4,247.6,270.4,278.);
195 tocv->DefineSection(5,250.6,270.4,278.);
196 //
197 TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al");
198 TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3);
199 //
200 TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy
201 TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar
202 TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2
203 TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex
204 //
205 TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
206 TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
207 TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2");
208 TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex");
209 //
210 TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1);
211 TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
212 TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
213 TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
1283eee5 214
37831078 215 //-------------------------------------------------------
216 // Tpc Outer Field Cage
c1637e41 217 // daughters - composite (sandwich)
37831078 218 //-------------------------------------------------------
1283eee5 219
c1637e41 220 TGeoPcon *tofc = new TGeoPcon(0.,360.,6);
79575d04 221 //
c1637e41 222 tofc->DefineSection(0,-253.6,258.,269.6);
223 tofc->DefineSection(1,-250.6,258.,269.6);
37831078 224 //
c1637e41 225 tofc->DefineSection(2,-250.6,258.,260.0676);
226 tofc->DefineSection(3,250.6,258.,260.0676);
37831078 227 //
c1637e41 228 tofc->DefineSection(4,250.6,258.,275.5);
229 tofc->DefineSection(5,253.6,258.,275.5);
37831078 230 //
c1637e41 231 TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3);
232 //sandwich
233 TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar
234 TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3
235 TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex
37831078 236 //
c1637e41 237 TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3");
37831078 238 //
c1637e41 239 TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2);
240 TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5);
241 TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4);
37831078 242 //
c1637e41 243 // outer part - positioning
37831078 244 //
c1637e41 245 tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);
37831078 246 //
c1637e41 247 tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);
37831078 248 //
456cb019 249 v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1);
37831078 250 //
c1637e41 251 v2->AddNode(v3,1); v2->AddNode(v4,1);
37831078 252 //
c1637e41 253 v1->AddNode(v2,1);
254 //--------------------------------------------------------------------
255 // Tpc Inner INsulator (CO2)
256 // the cones, the central drum and the inner f.c. sandwich with a piece
257 // of the flane will be placed in the TPC
258 //--------------------------------------------------------------------
259 TGeoPcon *tpci = new TGeoPcon(0.,360.,4);
1283eee5 260 //
c1637e41 261 tpci->DefineSection(0,-253.6,68.4,76.6774);
262 tpci->DefineSection(1,-74.0,61.2,76.6774);
1283eee5 263 //
c1637e41 264 tpci->DefineSection(2,74.0,61.2,76.6774);
37831078 265 //
c1637e41 266 tpci->DefineSection(3,253.6,65.9,76.6774);
37831078 267 //
c1637e41 268 TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2);
37831078 269 //
c1637e41 270 // now the inner field cage - only part of flanges (2 copies)
37831078 271 //
c1637e41 272 TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5);
273 TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3);
37831078 274 //
c1637e41 275 //---------------------------------------------------------
276 // Tpc Inner Containment vessel - Muon side
79575d04 277 //---------------------------------------------------------
c1637e41 278 TGeoPcon *tcms = new TGeoPcon(0.,360.,10);
37831078 279 //
c1637e41 280 tcms->DefineSection(0,-259.1,68.1,74.2);
281 tcms->DefineSection(1,-253.6,68.1,74.2);
37831078 282 //
c1637e41 283 tcms->DefineSection(2,-253.6,68.1,68.4);
284 tcms->DefineSection(3,-74.0,60.9,61.2);
37831078 285 //
c1637e41 286 tcms->DefineSection(4,-74.0,60.1,61.2);
287 tcms->DefineSection(5,-73.3,60.1,61.2);
37831078 288 //
c1637e41 289 tcms->DefineSection(6,-73.3,56.9,61.2);
290 tcms->DefineSection(7,-73.0,56.9,61.2);
37831078 291 //
c1637e41 292 tcms->DefineSection(8,-73.0,56.9,58.8);
293 tcms->DefineSection(9,-71.3,56.9,58.8);
37831078 294 //
c1637e41 295 TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3);
296 //-----------------------------------------------
297 // inner containment vessel - shaft side
298 //-----------------------------------------------
299 TGeoPcon *tcss = new TGeoPcon(0.,360.,10);
37831078 300 //
c1637e41 301 tcss->DefineSection(0,71.3,56.9,58.8);
302 tcss->DefineSection(1,73.0,56.9,58.8);
1283eee5 303 //
c1637e41 304 tcss->DefineSection(2,73.0,56.9,61.2);
305 tcss->DefineSection(3,73.3,56.9,61.2);
306 //
307 tcss->DefineSection(4,73.3,60.1,61.2);
308 tcss->DefineSection(5,74.0,60.1,61.2);
37831078 309 //
c1637e41 310 tcss->DefineSection(6,74.0,60.9,61.2);
311 tcss->DefineSection(7,253.6,65.6,65.9);
37831078 312 //
c1637e41 313 tcss->DefineSection(8,253.6,65.6,74.2);
314 tcss->DefineSection(9,258.1,65.6,74.2);
37831078 315 //
c1637e41 316 TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3);
317 //-----------------------------------------------
318 // Inner field cage
319 // define 4 parts and make an assembly
320 //-----------------------------------------------
321 // part1 - Al - 2 copies
322 TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75);
323 TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3);
324 // sandwich - outermost parts - 2 copies
325 TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns
326 TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns
327 TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns
328 TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm
37831078 329 //
c1637e41 330 TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2);
331 TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3);
332 TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5);
333 TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4);
37831078 334 //
c1637e41 335 // middle parts - 2 copies
336 TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns
337 TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns
338 TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns
339 TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm
79575d04 340 //
c1637e41 341 TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2);
342 TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3);
343 TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5);
344 TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4);
345 // central part - 1 copy
346 TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns
347 TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns
348 TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm
79575d04 349 //
c1637e41 350 TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
351 TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
352 TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4);
79575d04 353 //
c1637e41 354 // inner part - positioning
79575d04 355 //
c1637e41 356 // creating a sandwich
357 tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1);
79575d04 358 //
c1637e41 359 tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1);
79575d04 360 //
c1637e41 361 tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
37831078 362 //
c1637e41 363 TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC");
37831078 364 //
c1637e41 365 tv100->AddNode(tv10,1);
366 tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75));
367 tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75));
368 tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925));
369 tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925));
370 tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85));
371 tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85));
372 //
373 v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1));
374 v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1));
375 v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1);
376 v9->AddNode(tv100,1);
377 //
378 // central drum
379 //
380 // flange + sandwich
381 //
382 TGeoPcon *cfl = new TGeoPcon(0.,360.,6);
383 cfl->DefineSection(0,-71.1,59.7,61.2);
384 cfl->DefineSection(1,-68.6,59.7,61.2);
385 //
386 cfl->DefineSection(2,-68.6,60.6324,61.2);
387 cfl->DefineSection(3,68.6,60.6324,61.2);
388 //
389 cfl->DefineSection(4,68.6,59.7,61.2);
390 cfl->DefineSection(5,71.1,59.7,61.2);
391 //
392 TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3);
393 // sandwich
394 TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1);
395 TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1);
396 TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1);
397 //
398 TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1");
399 TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar
400 TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1
401 TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm4); //nomex
402 //
403 // seals for central drum 2 copies
404 //
405 TGeoTube *cs = new TGeoTube(56.9,61.2,0.1);
406 TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar");
407 TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7);
408 v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.));
409 v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.));
410 //
411 // seal collars
412 TGeoPcon *se = new TGeoPcon(0.,360.,6);
413 se->DefineSection(0,-72.8,59.7,61.2);
414 se->DefineSection(1,-72.3,59.7,61.2);
415 //
416 se->DefineSection(2,-72.3,58.85,61.2);
417 se->DefineSection(3,-71.6,58.85,61.2);
418 //
419 se->DefineSection(4,-71.6,59.7,61.2);
420 se->DefineSection(5,-71.3,59.7,61.2);
421 //
422 TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3);
423 //
424 TGeoTube *si = new TGeoTube(56.9,58.8,1.);
425 TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3);
426 //
427 // define reflection matrix
428 //
429 TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,270.,180.,0.);
430 //
431 cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1);
432 //
433 v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-72.1));
434 v1->AddNode(siv,2,new TGeoTranslation(0.,0.,72.1));
435 v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1);
436 //
437 // central membrane - 2 rings and a mylar membrane - assembly
438 //
439 TGeoTube *ih = new TGeoTube(81.05,84.05,0.3);
440 TGeoTube *oh = new TGeoTube(250.,256.,.5);
441 TGeoTube *mem = new TGeoTube(84.05,250,0.01);
442 TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3);
443 TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3);
444 TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7);
445 //
446 TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM");
447 cm->AddNode(ihv,1);
448 cm->AddNode(ohv,1);
449 cm->AddNode(memv,1);
450 v9->AddNode(cm,1);
451 //
452 // end caps - they are make as an assembly of single segments
453 // containing both readout chambers
454 //
455 Double_t OpeningAngle = 10.*TMath::DegToRad();
456 Double_t thick=1.5; // rib
457 Double_t shift = thick/TMath::Sin(OpeningAngle);
458 //
459 Double_t LowEdge = 86.3; // hole in the wheel
460 Double_t UpEdge = 240.4; // hole in the wheel
461 //
462 new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
463 //
464 TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
465 //
466 hole->DefineSection(0,-3.5,LowEdge-shift,UpEdge-shift);
467 hole->DefineSection(1,-1.5,LowEdge-shift,UpEdge-shift);
468 //
469 hole->DefineSection(2,-1.5,LowEdge-shift,UpEdge+3.-shift);
470 hole->DefineSection(3,3.5,LowEdge-shift,UpEdge+3.-shift);
471 //
472 Double_t ys = shift*TMath::Sin(OpeningAngle);
473 Double_t xs = shift*TMath::Cos(OpeningAngle);
474 TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
475 tr->RegisterYourself();
476 TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
477 TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3);
478 TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2);
479 bar->DefineSection(0,-3.,131.5-shift,136.5-shift);
480 bar->DefineSection(1,1.5,131.5-shift,136.5-shift);
481 TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3);
482 TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment
483 //
484 ch->AddNode(sv,1); ch->AddNode(barv,1,tr);
485 //
486 // readout chambers
487 //
488 // IROC first
489 //
490 TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15);
491 TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3);
37831078 492 // empty space
c1637e41 493 TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65);
494 TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1);
495 ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.));
496 //bars
497 Double_t tga = (19.8328-12.3742)/39.3;
498 Double_t xmin,xmax;
499 xmin = 9.55*tga+12.3742;
500 xmax = 9.95*tga+12.3742;
501 TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2);
502 TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3);
503 empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9));
504 xmin=19.4*tga+12.3742;
505 xmax=19.9*tga+12.3742;
506 TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25);
507 TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3);
508 empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.));
509 xmin=29.35*tga+12.3742;
510 xmax=29.75*tga+12.3742;
511 TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2);
512 TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3);
513 empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9));
514 //
515 // holes for connectors
516 //
517 TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc
518 TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1);
d9e80aca 519 TString fileName(gSystem->Getenv("ALICE_ROOT"));
520 fileName += "/TPC/conn_iroc.dat";
c1637e41 521 ifstream in;
d9e80aca 522 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 523 for(Int_t i =0;i<86;i++){
456cb019 524 Double_t y = 3.99;
c1637e41 525 Double_t x,z,ang;
526 in>>x>>z>>ang;
456cb019 527 z-=26.5;
c1637e41 528 TGeoRotation *rrr = new TGeoRotation();
529 rrr->RotateY(ang);
530 TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr);
531 ibdv->AddNode(connv,i+1,trans);
532 }
533 in.close();
534 // "cap"
535 new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825);
536 // "hole"
537 new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15);
538 TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725);
539 tr1->RegisterYourself();
540 TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1");
541 TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3);
542 //
543 // pad plane and wire fixations
544 //
545 TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso
546 TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
547 TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4);
548 TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.);
549 TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4);
550 TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.);
551 TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4);
552 //
553 TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC");
554 //
555 iroc->AddNode(ibdv,1);
556 iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725));
557 iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725));
558 tga =(23.3521-14.5974)/49.65;
559 Double_t xx = 24.825*tga+14.5974-0.6;
560 iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725));
561 iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725));
562 //
563 // OROC
564 //
565 TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65);
566 TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3);
567 TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65);
568 TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1);
569 obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.));
570 //horizontal bars
571 tga=(38.5084-20.2938)/99.3;
572 xmin=tga*10.2+20.2938;
573 xmax=tga*10.6+20.2938;
574 TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2);
575 TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3);
576 //
577 xmin=22.55*tga+20.2938;
578 xmax=24.15*tga+20.2938;
579 TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8);
580 TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3);
581 //
582 xmin=36.1*tga+20.2938;
583 xmax=36.5*tga+20.2938;
584 TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2);
585 TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3);
586 //
587 xmin=49.0*tga+20.2938;
588 xmax=50.6*tga+20.2938;
589 TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8);
590 TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3);
591 //
592 xmin=63.6*tga+20.2938;
593 xmax=64.0*tga+20.2938;
594 TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2);
595 TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3);
596 //
597 xmin=75.5*tga+20.2938;
598 xmax=77.15*tga+20.2938;
599 TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8);
600 TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3);
601 //
602 xmin=88.7*tga+20.2938;
603 xmax=89.1*tga+20.2938;
604 TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2);
605 TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3);
606 //
607 oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25));
608 oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3));
609 oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35));
610 oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15));
611 oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15));
612 oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7));
613 oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25));
614 // vertical bars
615 TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1);
616 TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975);
617 TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775);
618 TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25);
619 TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5);
620 //
621 TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3);
622 TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3);
623 TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3);
624 TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3);
625 TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3);
626 //
627 oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55));
628 oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55));
629 oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075));
630 oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525));
631 oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125));
632 oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275));
633 oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9));
634 oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45));
635 //
636 // holes for connectors
637 //
d9e80aca 638 fileName = gSystem->Getenv("ALICE_ROOT");
639 fileName += "/TPC/conn_oroc.dat";
640 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 641 for(Int_t i =0;i<78;i++){
642 Double_t y =3.89;
643 Double_t x,z,ang;
644 Double_t x1,z1,x2,z2;
645 in>>x>>z>>ang;
646 Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad());
647 Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad());
648 //
649 x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z;
650 //
651 TGeoRotation *rr = new TGeoRotation();
652 rr->RotateY(ang);
653 z1-=54.95;
654 z2-=54.95;
655 TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr);
656 TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr);
657 obdv->AddNode(connv,i+1,trans1);
658 obdv->AddNode(connv,i+79,trans2);
659 }
660 in.close();
661 // cap
662 new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1);
663 new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65);
664 TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15);
665 tr5->RegisterYourself();
666 TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5");
667 TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3);
668 //
669 // pad plane and wire fixations
670 //
671 TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1);
672 TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4);
673 //
674 tga=(43.5239-23.3874)/114.2;
675 TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.);
676 TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.);
677 xx = 57.1*tga+23.3874-0.7;
678 TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4);
679 TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4);
680 //
681 TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC");
682 //
683 oroc->AddNode(obdv,1);
684 oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15));
685 oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15));
686 oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15));
687 oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15));
688 //
689 // now iroc and oroc are placed into a sector...
690 //
691 TGeoVolumeAssembly *sect = new TGeoVolumeAssembly("TPC_SECT");
692 TGeoRotation rot1("rot1",90.,90.,0.);
693 TGeoRotation rot2("rot2");
694 rot2.RotateY(10.);
695 TGeoRotation *rot = new TGeoRotation("rot");
696 *rot=rot1*rot2;
697 //
698 Double_t x0,y0;
699 x0=110.2*TMath::Cos(OpeningAngle);
700 y0=110.2*TMath::Sin(OpeningAngle);
701 TGeoCombiTrans *combi1 = new TGeoCombiTrans("combi1",x0,y0,1.09,rot);
702 x0=188.45*TMath::Cos(OpeningAngle);
703 y0=188.45*TMath::Sin(OpeningAngle);
704 TGeoCombiTrans *combi2 = new TGeoCombiTrans("combi2",x0,y0,0.99,rot);
705 //
706 sect->AddNode(ch,1);
707 sect->AddNode(iroc,1,combi1);
708 sect->AddNode(oroc,1,combi2);
709 //
710 // segment is ready...
711 // now I try to make a wheel...
712 //
713 TGeoVolumeAssembly *wheel = new TGeoVolumeAssembly("TPC_ENDCAP");
714 //
715 for(Int_t i =0;i<18;i++){
716 Double_t phi = (20.*i);
717 TGeoRotation *r = new TGeoRotation();
718 r->RotateZ(phi);
719 wheel->AddNode(sect,i+1,r);
720
721 }
722 // wheels in the drift volume!
723 v9->AddNode(wheel,1,new TGeoTranslation(0.,0.,-256.6));
724 TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
725 v9->AddNode(wheel,2,combi3);
726
727 //_____________________________________________________________
728 // service support wheel
729 //_____________________________________________________________
730 TGeoPgon *sw = new TGeoPgon(0.,20.,1,2);
731 sw->DefineSection(0,-4.,80.5,251.75);
732 sw->DefineSection(1,4.,80.5,251.75);
733 TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
734 //
735 thick=1.;
736 shift = thick/TMath::Sin(OpeningAngle);
737 TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
738 sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
739 sh->DefineSection(1,4.,81.5-shift,250.75-shift);
740 TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
741 //
742 ys = shift*TMath::Sin(OpeningAngle);
743 xs = shift*TMath::Cos(OpeningAngle);
744 swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
745 // cover
746 TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
747 co->DefineSection(0,-0.5,77.,255.25);
748 co->DefineSection(1,0.5,77.,255.25);
749 TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
750 // hole in a cover
751 TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
752 shift=4./TMath::Sin(OpeningAngle);
753 coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
754 coh->DefineSection(1,0.5,85.-shift,247.25-shift);
755 //
756 TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
757 //
758 ys = shift*TMath::Sin(OpeningAngle);
759 xs = shift*TMath::Cos(OpeningAngle);
760 cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
761 //
762 // Sector as an Assembly
763 //
764 TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC");
765 swhs->AddNode(swv,1);
766 swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5));
767 swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5));
768 //
769 // SSW as an Assembly of sectors
770 //
771 TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL");
772 for(Int_t i =0;i<18;i++){
773 Double_t phi = (20.*i);
774 TGeoRotation *r = new TGeoRotation();
775 r->RotateZ(phi);
776 swheel->AddNode(swhs,i+1,r);
777 }
778 v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6));
779 v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
780
781 // sensitive strips
782 TGeoMedium *m8 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2");
783 Int_t totrows;
784 totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp();
785 Double_t *upar;
786 upar=NULL;
787 gGeoManager->Volume("TPC_Strip","PGON",m8->GetId(),upar);
788 upar=new Double_t [10];
789 upar[0]=0.;
790 upar[1]=360.;
791 upar[2]=18.;
792 upar[3]=2.;
793 //
794 upar[4]=-124.8;
795 upar[7]=124.8;
796
797 Double_t rlow=fTPCParam->GetPadRowRadiiLow(0);
798
799 upar[5]=rlow;
800 upar[6]=rlow+.01;
801 upar[8]=upar[5];
802 upar[9]=upar[6];
803 //
804 gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
805 gGeoManager->Node("TPC_Strip",totrows+1,
806 "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
807 //
808 // now, strips
809 //
810 //lower sectors
811 for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){
812 rlow=fTPCParam->GetPadRowRadiiLow(i-1);
813 upar[5]=rlow;
814 upar[6]=rlow+.01;
815 upar[8]=upar[5];
816 upar[9]=upar[6];
817 gGeoManager->Node("TPC_Strip",i,
818 "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
819 gGeoManager->Node("TPC_Strip",totrows+i,
820 "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
821 }
822 //upper sectors
823 for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){
824 rlow=fTPCParam->GetPadRowRadiiUp(i-1);
825 upar[5]=rlow;
826 upar[6]=rlow+.01;
827 upar[8]=upar[5];
828 upar[9]=upar[6];
829 gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(),
830 "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
831 gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(),
832 "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
833 }
37831078 834
37831078 835 //----------------------------------------------------------
c1637e41 836 // TPc Support Rods - MAKROLON
37831078 837 //----------------------------------------------------------
c1637e41 838 TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
839 TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
840 // upper and lower rods differ in length!
841 delete [] upar;
842 upar=NULL;
843 gGeoManager->Volume("TPC_Rod","TUBE",m6->GetId(),upar);
844 upar=new Double_t [3];
845 upar[0]=1.8;
846 upar[1]=2.2;
fe4da5cc 847
c1637e41 848 //
849 //HV rods - makrolon + 0.58cm (diameter) Cu
850 TGeoTube *hvr = new TGeoTube(0.,4.4,126.64);
851 TGeoTube *hvc = new TGeoTube(0.,0.29,126.64);
852 //
853 TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
854 TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
855 hvrv->AddNode(hvcv,1);
79575d04 856
c1637e41 857 for(Int_t i=0;i<17;i++){
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;
866 if(i==15){
867 v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));
868 v9->AddNode(hvrv,2,new TGeoTranslation(x,y,-z));
79575d04 869 }
c1637e41 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+18,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
873 }
874 r=254.25;
875 x=r * TMath::Cos(angle);
876 y=r * TMath::Sin(angle);
877 upar[2]=126.54; //upper
878 z=127.06;
879 gGeoManager->Node("TPC_Rod",i+36,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
880 gGeoManager->Node("TPC_Rod",i+54,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
37831078 881 }
882
bde68ab0 883 TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
884 alice->AddNode(v1,1);
37831078 885
886} // end of function
887
fe4da5cc 888//_____________________________________________________________________________
8c555625 889void AliTPCv1::DrawDetector()
fe4da5cc 890{
891 //
892 // Draw a shaded view of the Time Projection Chamber version 1
893 //
894
fe4da5cc 895 // Set everything unseen
cfce8870 896 gMC->Gsatt("*", "seen", -1);
fe4da5cc 897 //
898 // Set ALIC mother transparent
cfce8870 899 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 900 //
901 // Set the volumes visible
37831078 902 gMC->Gsatt("TPC ","SEEN",0);
903 gMC->Gsatt("TOIN","SEEN",1);
904 gMC->Gsatt("TOIN","COLO",7);
37831078 905 gMC->Gsatt("TOCV","SEEN",1);
906 gMC->Gsatt("TOCV","COLO",4);
907 gMC->Gsatt("TSA1","SEEN",0);
908 gMC->Gsatt("TSA2","SEEN",0);
909 gMC->Gsatt("TSA3","SEEN",0);
79575d04 910 gMC->Gsatt("TSA4","SEEN",0);
911 gMC->Gsatt("TSA5","SEEN",0);
37831078 912 gMC->Gsatt("TOFC","SEEN",1);
913 gMC->Gsatt("TOFC","COLO",4);
37831078 914 gMC->Gsatt("TSA6","SEEN",0);
915 gMC->Gsatt("TSA7","SEEN",0);
79575d04 916 gMC->Gsatt("TSA8","SEEN",0);
37831078 917 gMC->Gsatt("TIIN","SEEN",1);
79575d04 918 gMC->Gsatt("TIIN","COLO",7);
919 gMC->Gsatt("TII1","SEEN",0);
920 gMC->Gsatt("TIFC","SEEN",1);
921 gMC->Gsatt("TIFC","COLO",4);
922 gMC->Gsatt("TSA9","SEEN",0);
37831078 923 gMC->Gsatt("TS10","SEEN",0);
924 gMC->Gsatt("TS11","SEEN",0);
925 gMC->Gsatt("TS12","SEEN",0);
37831078 926 gMC->Gsatt("TS13","SEEN",0);
927 gMC->Gsatt("TS14","SEEN",0);
79575d04 928 gMC->Gsatt("TICC","SEEN",0);
929 gMC->Gsatt("TICM","SEEN",0);
37831078 930 gMC->Gsatt("TS15","SEEN",0);
931 gMC->Gsatt("TS16","SEEN",0);
37831078 932 gMC->Gsatt("TS17","SEEN",0);
79575d04 933 gMC->Gsatt("TS18","SEEN",0);
934 gMC->Gsatt("TS19","SEEN",0);
935 gMC->Gsatt("TPJ1","SEEN",0);
936 gMC->Gsatt("TPJ2","SEEN",0);
937 gMC->Gsatt("TICS","SEEN",0);
938 gMC->Gsatt("TDGN","SEEN",0);
37831078 939 gMC->Gsatt("TIRC","SEEN",0);
940 gMC->Gsatt("TIC1","SEEN",1);
941 gMC->Gsatt("TIPP","SEEN",0);
942 gMC->Gsatt("TIC3","SEEN",0);
943 gMC->Gsatt("TRCE","SEEN",0);
944 gMC->Gsatt("TPSC","SEEN",0);
79575d04 945 gMC->Gsatt("TPCC","SEEN",0);
37831078 946 gMC->Gsatt("TORC","SEEN",0);
947 gMC->Gsatt("TOPP","SEEN",0);
948 gMC->Gsatt("TOC3","SEEN",0);
949 gMC->Gsatt("TOC1","SEEN",1);
950 gMC->Gsatt("TSSW","SEEN",1);
951 gMC->Gsatt("TSWC","SEEN",1);
37831078 952 gMC->Gsatt("TSSW","COLO",3);
953 gMC->Gsatt("TSWC","COLO",3);
954 gMC->Gsatt("TSCE","COLO",6);
79575d04 955 gMC->Gsatt("TSCE","SEEN",1);
37831078 956 gMC->Gsatt("TWES","SEEN",0);
957 gMC->Gsatt("TSWB","SEEN",0);
958 gMC->Gsatt("TPEL","SEEN",0);
959 gMC->Gsatt("TPMW","SEEN",1);
37831078 960 gMC->Gsatt("TESR","SEEN",1);
961 gMC->Gsatt("TPMW","COLO",12);
37831078 962 gMC->Gsatt("TIC1","COLO",5);
79575d04 963 gMC->Gsatt("TOC1","COLO",5);
37831078 964 gMC->Gsatt("TESB","SEEN",0);
37831078 965 gMC->Gsatt("THVM","SEEN",1);
966 gMC->Gsatt("THVM","COLO",11);
79575d04 967 gMC->Gsatt("THVH","SEEN",0);
968 gMC->Gsatt("TPSR","SEEN",0);
37831078 969 gMC->Gsatt("THVL","SEEN",0);
79575d04 970 gMC->Gsatt("THVC","SEEN",0);
37831078 971 gMC->Gsatt("THVE","SEEN",0);
972 gMC->Gsatt("THVR","SEEN",0);
79575d04 973 gMC->Gsatt("TPSS","SEEN",0);
974 gMC->Gsatt("TPUS","SEEN",0);
975 gMC->Gsatt("TPLS","SEEN",0);
976
977 //
cfce8870 978 gMC->Gdopt("hide", "on");
979 gMC->Gdopt("shad", "on");
980 gMC->Gsatt("*", "fill", 7);
981 gMC->SetClipBox(".");
37831078 982 gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
983 gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
984 gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
985 gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
986 gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
cfce8870 987 gMC->DefaultRange();
988 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
989 gMC->Gdhead(1111, "Time Projection Chamber");
990 gMC->Gdman(18, 4, "MAN");
991 gMC->Gdopt("hide","off");
fe4da5cc 992}
993
994//_____________________________________________________________________________
995void AliTPCv1::CreateMaterials()
996{
997 //
998 // Define materials for Time Projection Chamber
999 //
1000 AliTPC::CreateMaterials();
1001}
1002
1003//_____________________________________________________________________________
1004void AliTPCv1::Init()
1005{
1006 //
1007 // Initialises TPC detector after it has been created
1008 //
cfce8870 1009
c1637e41 1010 fIdSens=gMC->VolId("TPC_Strip"); // sensitive strip
fe4da5cc 1011
13a8c8d7 1012 printf("%s: *** TPC version 1 initialized***\n",ClassName());
1013
1014 // printf("TPC version 1 initialized\n");
fe4da5cc 1015}
1016
1017//_____________________________________________________________________________
1018void AliTPCv1::StepManager()
1019{
1020 //
1021 // Called at every step in the Time Projection Chamber
1022 //
0a6d8768 1023 Int_t copy, id, i;
e61fd20d 1024 Float_t hits[5];
fe4da5cc 1025 Int_t vol[2];
0a6d8768 1026 TLorentzVector p;
6a905708 1027 //
1283eee5 1028
c1637e41 1029 id = gMC->CurrentVolID(copy);
1030 if(id!=fIdSens) return;
0a6d8768 1031 if(gMC->TrackCharge() && gMC->IsTrackEntering()) {
37831078 1032
1033 //
1034 // Only charged tracks entering the sensitive volume
fe4da5cc 1035 //
37831078 1036
c1637e41 1037 gMC->TrackPosition(p);
1038 Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
1039 //
1040
1041 //
1042 Double_t angle = TMath::ACos(p[0]/r);
1043 angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle;
1044 //
1045 // angular segment, it is not a real sector number...
1046 //
1047 Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/
1048 fTPCParam->GetInnerAngle());
1049 // rotate to segment "0"
1050 Float_t cos,sin;
1051 fTPCParam->AdjustCosSin(sector,cos,sin);
1052 Float_t x1 = p[0]*cos + p[1]*sin;
1053 Float_t y1 = TMath::Abs(-p[0]*sin + p[1]*cos);
1054 // calculate real sector number...
1055 if (x1>fTPCParam->GetOuterRadiusLow()){
1056 sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/
1057 fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector();
1058 if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1);
1059 }
1060 else
1061 if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1);
1062 //
1063 // here I have a sector number
1064 //
1065 vol[0]=sector;
1066 //
1067 Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp();
1068 vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows;
1069 // row numbers are autonomous for lower and upper sectors
1070 if(vol[0] > fTPCParam->GetNInnerSector()) {
1071 vol[1] -= fTPCParam->GetNRowLow();
1072 }
1073 Double_t range = (sector<36) ? fTPCParam->GetYInner(vol[1]) :
1074 fTPCParam->GetYOuter(vol[1]);
1075 if(y1>range) return;
1076 if(vol[1] == 0){
37831078 1077
1078 // because Jouri wants to have this
1079
1080 gMC->TrackMomentum(p);
1081 hits[0]=p[0];
1082 hits[1]=p[1];
1083 hits[2]=p[2];
1084 hits[3]=0.; // this hit has no energy loss
e61fd20d 1085 // Get also the track time for pileup simulation
1086 hits[4]=gMC->TrackTime();
1087
c1637e41 1088 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I.
1089 }
1090 gMC->TrackPosition(p);
37831078 1091 for(i=0;i<3;++i) hits[i]=p[i];
1092 hits[3]=1; //I'd like to have something positive here (I.Belikov)
e61fd20d 1093 // Get also the track time for pileup simulation
1094 hits[4]=gMC->TrackTime();
1095
c1637e41 1096 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I.
37831078 1097
c1637e41 1098 }// track entering sensitive strip
37831078 1099
fe4da5cc 1100}
37831078 1101//_____________________________________________________________________________
1283eee5 1102
1103
1104