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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"
c5d5037c 47#include "TGeoCone.h"
c1637e41 48#include "TGeoTube.h"
49#include "TGeoPgon.h"
50#include "TGeoTrd1.h"
51#include "TGeoCompositeShape.h"
52#include "TGeoPara.h"
6c0ba48f 53#include "TGeoPhysicalNode.h"
54#include "TGeoHalfSpace.h"
55#include "TTreeStream.h"
56#include "TGeoArb8.h"
a11596ad 57using std::ifstream;
58using std::ios_base;
fe4da5cc 59ClassImp(AliTPCv0)
60
61//_____________________________________________________________________________
62AliTPCv0::AliTPCv0(const char *name, const char *title)
63 :AliTPC(name, title)
64{
65 //
66 // Standard creator for TPC version 0
67 //
73042f01 68
73042f01 69
70 if (fTPCParam)
71 fTPCParam->Write(fTPCParam->GetTitle());
fe4da5cc 72}
73
74//_____________________________________________________________________________
c5d5037c 75
fe4da5cc 76void AliTPCv0::CreateGeometry()
77{
79575d04 78
fe4da5cc 79 //
37831078 80 // Creation of the TPC version 0, i.e. no sensitive volumes,
81 // only the material distribution
fe4da5cc 82 //
83 //Begin_Html
84 /*
37831078 85 <img src="picts/AliTPC.gif">
fe4da5cc 86 */
87 //End_Html
88 //Begin_Html
89 /*
1439f98e 90 <img src="picts/AliTPCv0Tree.gif">
fe4da5cc 91 */
92 //End_Html
93
c1637e41 94 //----------------------------------------------------------
95 // This geometry is written using TGeo class
96 // Firstly the shapes are defined, and only then the volumes
97 // What is recognized by the MC are volumes
98 //----------------------------------------------------------
99 //
100 // tpc - this will be the mother volume
37831078 101 //
1283eee5 102
37831078 103 //
c1637e41 104 // here I define a volume TPC
105 // retrive the medium name with "TPC_" as a leading string
37831078 106 //
8ad31ee5 107 TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections
37831078 108 //
8ad31ee5 109 tpc->DefineSection(0,-289.6,77.,278.);
110 tpc->DefineSection(1,-262.1,77.,278.);
37831078 111 //
8ad31ee5 112 tpc->DefineSection(2,-262.1,83.1,278.);
113 tpc->DefineSection(3,-260.,83.1,278.);
37831078 114 //
8ad31ee5 115 tpc->DefineSection(4,-260.,70.,278.);
116 tpc->DefineSection(5,-259.6,70.,278.);
37831078 117 //
8ad31ee5 118 tpc->DefineSection(6,-259.6,68.1,278.);
119 tpc->DefineSection(7,-253.6,68.1,278.);
37831078 120 //
c5d5037c 121 tpc->DefineSection(8,-253.6,67.88,278.);//hs
122 tpc->DefineSection(9,-74.0,60.68,278.);// hs
37831078 123 //
8ad31ee5 124 tpc->DefineSection(10,-74.0,60.1,278.);
125 tpc->DefineSection(11,-73.3,60.1,278.);
37831078 126 //
8ad31ee5 127 tpc->DefineSection(12,-73.3,56.9,278.);
128 tpc->DefineSection(13,-68.5,56.9,278.);
37831078 129 //
8ad31ee5 130 tpc->DefineSection(14,-68.5,60.,278.);
131 tpc->DefineSection(15,-64.7,60.,278.);
78134e48 132 //
8ad31ee5 133 tpc->DefineSection(16,-64.7,56.9,278.);
134 tpc->DefineSection(17,73.3,56.9,278.);
78134e48 135 //
8ad31ee5 136 tpc->DefineSection(18,73.3,60.1,278.);
137 tpc->DefineSection(19,74.0,60.1,278.);
c5d5037c 138 //
139 tpc->DefineSection(20,74.0,60.68,278.);// hs
140 tpc->DefineSection(21,253.6,65.38,278.);// hs
4fb9bd37 141 //
8ad31ee5 142 tpc->DefineSection(22,253.6,65.6,278.);
143 tpc->DefineSection(23,259.6,65.6,278.);
4fb9bd37 144 //
8ad31ee5 145 tpc->DefineSection(24,259.6,70.0,278.);
146 tpc->DefineSection(25,260.,70.0,278.);
4fb9bd37 147 //
8ad31ee5 148 tpc->DefineSection(26,260.,83.1,278.);
149 tpc->DefineSection(27,262.1,83.1,278.);
4fb9bd37 150 //
8ad31ee5 151 tpc->DefineSection(28,262.1,77.,278);
152 tpc->DefineSection(29,289.6,77.,278.);
37831078 153 //
c1637e41 154 TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
155 TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
37831078 156 //
c1637e41 157 // drift volume - sensitive volume, extended beyond the
158 // endcaps, because of the alignment
37831078 159 //
c1637e41 160 TGeoPcon *dvol = new TGeoPcon(0.,360.,6);
161 dvol->DefineSection(0,-260.,74.5,264.4);
162 dvol->DefineSection(1,-253.6,74.5,264.4);
79575d04 163 //
c1637e41 164 dvol->DefineSection(2,-253.6,76.6774,258.);
165 dvol->DefineSection(3,253.6,76.6774,258.);
37831078 166 //
c1637e41 167 dvol->DefineSection(4,253.6,74.5,264.4);
168 dvol->DefineSection(5,260.,74.5,264.4);
37831078 169 //
a964d561 170 TGeoMedium *m5 = gGeoManager->GetMedium("TPC_DriftGasS1");
c1637e41 171 TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
37831078 172 //
c1637e41 173 v1->AddNode(v9,1);
37831078 174 //
c1637e41 175 // outer insulator
37831078 176 //
c1637e41 177 TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator
37831078 178 //
c1637e41 179 tpco->DefineSection(0,-256.6,264.8,278.);
180 tpco->DefineSection(1,-253.6,264.8,278.);
720b23b8 181 //
c1637e41 182 tpco->DefineSection(2,-253.6,258.,278.);
183 tpco->DefineSection(3,250.6,258.,278.);
79575d04 184 //
c1637e41 185 tpco->DefineSection(4,250.6,258.,275.5);
186 tpco->DefineSection(5,253.6,258.,275.5);
187 //
188 TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
189 TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
190 //
191 // outer containment vessel
192 //
193 TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
194 //
195 tocv->DefineSection(0,-256.6,264.8,278.);
196 tocv->DefineSection(1,-253.6,264.8,278.);
197 //
198 tocv->DefineSection(2,-253.6,274.8124,278.);
199 tocv->DefineSection(3,247.6,274.8124,278.);
200 //
201 tocv->DefineSection(4,247.6,270.4,278.);
202 tocv->DefineSection(5,250.6,270.4,278.);
203 //
204 TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al");
205 TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3);
206 //
207 TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy
208 TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar
209 TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2
210 TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex
211 //
212 TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
213 TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
214 TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2");
215 TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex");
216 //
6c0ba48f 217 //
c1637e41 218 TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1);
219 TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
220 TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
221 TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
c5d5037c 222 TGeoMedium *mhs = gGeoManager->GetMedium("TPC_Steel");
223 TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
37831078 224 //-------------------------------------------------------
225 // Tpc Outer Field Cage
c1637e41 226 // daughters - composite (sandwich)
37831078 227 //-------------------------------------------------------
228
c1637e41 229 TGeoPcon *tofc = new TGeoPcon(0.,360.,6);
79575d04 230 //
c1637e41 231 tofc->DefineSection(0,-253.6,258.,269.6);
232 tofc->DefineSection(1,-250.6,258.,269.6);
37831078 233 //
c1637e41 234 tofc->DefineSection(2,-250.6,258.,260.0676);
235 tofc->DefineSection(3,250.6,258.,260.0676);
37831078 236 //
c1637e41 237 tofc->DefineSection(4,250.6,258.,275.5);
238 tofc->DefineSection(5,253.6,258.,275.5);
37831078 239 //
c1637e41 240 TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3);
241 //sandwich
242 TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar
243 TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3
244 TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex
37831078 245 //
c1637e41 246 TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3");
37831078 247 //
c1637e41 248 TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2);
249 TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5);
250 TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4);
1283eee5 251 //
c1637e41 252 // outer part - positioning
37831078 253 //
c1637e41 254 tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);
37831078 255 //
c1637e41 256 tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);
1283eee5 257 //
456cb019 258 v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1);
1283eee5 259 //
c1637e41 260 v2->AddNode(v3,1); v2->AddNode(v4,1);
37831078 261 //
c1637e41 262 v1->AddNode(v2,1);
263 //-----------------------------------------------------------
264 //--------------------------------------------------------------------
265 // Tpc Inner INsulator (CO2)
266 // the cones, the central drum and the inner f.c. sandwich with a piece
267 // of the flane will be placed in the TPC
268 //--------------------------------------------------------------------
269 TGeoPcon *tpci = new TGeoPcon(0.,360.,4);
37831078 270 //
c1637e41 271 tpci->DefineSection(0,-253.6,68.4,76.6774);
272 tpci->DefineSection(1,-74.0,61.2,76.6774);
37831078 273 //
c1637e41 274 tpci->DefineSection(2,74.0,61.2,76.6774);
37831078 275 //
c1637e41 276 tpci->DefineSection(3,253.6,65.9,76.6774);
37831078 277 //
c1637e41 278 TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2);
37831078 279 //
c1637e41 280 // now the inner field cage - only part of flanges (2 copies)
37831078 281 //
c1637e41 282 TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5);
283 TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3);
37831078 284 //
c1637e41 285 //---------------------------------------------------------
286 // Tpc Inner Containment vessel - Muon side
79575d04 287 //---------------------------------------------------------
c1637e41 288 TGeoPcon *tcms = new TGeoPcon(0.,360.,10);
37831078 289 //
c1637e41 290 tcms->DefineSection(0,-259.1,68.1,74.2);
291 tcms->DefineSection(1,-253.6,68.1,74.2);
37831078 292 //
c1637e41 293 tcms->DefineSection(2,-253.6,68.1,68.4);
294 tcms->DefineSection(3,-74.0,60.9,61.2);
37831078 295 //
c1637e41 296 tcms->DefineSection(4,-74.0,60.1,61.2);
297 tcms->DefineSection(5,-73.3,60.1,61.2);
37831078 298 //
c1637e41 299 tcms->DefineSection(6,-73.3,56.9,61.2);
300 tcms->DefineSection(7,-73.0,56.9,61.2);
37831078 301 //
c1637e41 302 tcms->DefineSection(8,-73.0,56.9,58.8);
303 tcms->DefineSection(9,-71.3,56.9,58.8);
37831078 304 //
c1637e41 305 TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3);
c5d5037c 306 //------------------------------------------------
307 // Heat screen muon side
308 //------------------------------------------------
309
310 TGeoCone *thsm = new TGeoCone(89.8,67.88,68.1,60.68,60.9);
311 TGeoCone *thsmw = new TGeoCone(89.8,67.94,68.04,60.74,60.84);
312 TGeoVolume *hvsm = new TGeoVolume("TPC_HSM",thsm,mhs); //steel
313 TGeoVolume *hvsmw = new TGeoVolume("TPC_HSMW",thsmw,m12); //water
314 // assembly heat screen muon
315 hvsm->AddNode(hvsmw,1);
c1637e41 316 //-----------------------------------------------
317 // inner containment vessel - shaft side
318 //-----------------------------------------------
319 TGeoPcon *tcss = new TGeoPcon(0.,360.,10);
37831078 320 //
c1637e41 321 tcss->DefineSection(0,71.3,56.9,58.8);
322 tcss->DefineSection(1,73.0,56.9,58.8);
37831078 323 //
c1637e41 324 tcss->DefineSection(2,73.0,56.9,61.2);
325 tcss->DefineSection(3,73.3,56.9,61.2);
326 //
327 tcss->DefineSection(4,73.3,60.1,61.2);
328 tcss->DefineSection(5,74.0,60.1,61.2);
37831078 329 //
c1637e41 330 tcss->DefineSection(6,74.0,60.9,61.2);
331 tcss->DefineSection(7,253.6,65.6,65.9);
37831078 332 //
c1637e41 333 tcss->DefineSection(8,253.6,65.6,74.2);
334 tcss->DefineSection(9,258.1,65.6,74.2);
37831078 335 //
c1637e41 336 TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3);
c5d5037c 337 //-------------------------------------------------
338 // Heat screen shaft side
339 //--------------------------------------------------
340 TGeoCone *thss = new TGeoCone(89.8,60.68,60.9,65.38,65.6);
341 TGeoCone *thssw = new TGeoCone(89.8,60.74,60.84,65.44,65.54);
342 TGeoVolume *hvss = new TGeoVolume("TPC_HSS",thss,mhs); //steel
343 TGeoVolume *hvssw = new TGeoVolume("TPC_HSSW",thssw,m12); //water
344 //assembly heat screen shaft
345 hvss->AddNode(hvssw,1);
c1637e41 346 //-----------------------------------------------
347 // Inner field cage
348 // define 4 parts and make an assembly
349 //-----------------------------------------------
350 // part1 - Al - 2 copies
351 TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75);
352 TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3);
353 // sandwich - outermost parts - 2 copies
354 TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns
355 TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns
356 TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns
357 TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm
37831078 358 //
c1637e41 359 TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2);
360 TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3);
361 TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5);
362 TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4);
37831078 363 //
c1637e41 364 // middle parts - 2 copies
365 TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns
366 TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns
367 TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns
368 TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm
79575d04 369 //
c1637e41 370 TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2);
371 TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3);
372 TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5);
373 TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4);
374 // central part - 1 copy
375 TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns
376 TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns
377 TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm
79575d04 378 //
c1637e41 379 TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
380 TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
381 TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4);
79575d04 382 //
c1637e41 383 // inner part - positioning
79575d04 384 //
c1637e41 385 // creating a sandwich
386 tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1);
79575d04 387 //
c1637e41 388 tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1);
79575d04 389 //
c1637e41 390 tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
37831078 391 //
c1637e41 392 TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC");
37831078 393 //
c1637e41 394 tv100->AddNode(tv10,1);
395 tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75));
396 tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75));
397 tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925));
398 tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925));
399 tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85));
400 tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85));
401 //
402 v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1));
403 v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1));
404 v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1);
c5d5037c 405 v1->AddNode(hvsm,1,new TGeoTranslation(0.,0.,-163.8));
406 v1->AddNode(hvss,1,new TGeoTranslation(0.,0.,163.8));
c1637e41 407 v9->AddNode(tv100,1);
408 //
409 // central drum
410 //
411 // flange + sandwich
412 //
413 TGeoPcon *cfl = new TGeoPcon(0.,360.,6);
414 cfl->DefineSection(0,-71.1,59.7,61.2);
415 cfl->DefineSection(1,-68.6,59.7,61.2);
416 //
417 cfl->DefineSection(2,-68.6,60.6324,61.2);
418 cfl->DefineSection(3,68.6,60.6324,61.2);
419 //
420 cfl->DefineSection(4,68.6,59.7,61.2);
421 cfl->DefineSection(5,71.1,59.7,61.2);
422 //
423 TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3);
424 // sandwich
425 TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1);
426 TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1);
427 TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1);
428 //
429 TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1");
430 TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar
431 TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1
432 TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm4); //nomex
433 //
434 // seals for central drum 2 copies
435 //
436 TGeoTube *cs = new TGeoTube(56.9,61.2,0.1);
437 TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar");
438 TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7);
78134e48 439 v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2));
440 v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2));
c1637e41 441 //
442 // seal collars
443 TGeoPcon *se = new TGeoPcon(0.,360.,6);
444 se->DefineSection(0,-72.8,59.7,61.2);
445 se->DefineSection(1,-72.3,59.7,61.2);
446 //
447 se->DefineSection(2,-72.3,58.85,61.2);
448 se->DefineSection(3,-71.6,58.85,61.2);
449 //
450 se->DefineSection(4,-71.6,59.7,61.2);
451 se->DefineSection(5,-71.3,59.7,61.2);
452 //
453 TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3);
454 //
455 TGeoTube *si = new TGeoTube(56.9,58.8,1.);
456 TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3);
457 //
458 // define reflection matrix
459 //
4fa47888 460 TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.);
c1637e41 461 //
462 cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1);
463 //
a1ec4d07 464 v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9));
465 v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9));
c1637e41 466 v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1);
467 //
468 // central membrane - 2 rings and a mylar membrane - assembly
469 //
470 TGeoTube *ih = new TGeoTube(81.05,84.05,0.3);
471 TGeoTube *oh = new TGeoTube(250.,256.,.5);
472 TGeoTube *mem = new TGeoTube(84.05,250,0.01);
473 TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3);
474 TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3);
475 TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7);
476 //
477 TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM");
478 cm->AddNode(ihv,1);
479 cm->AddNode(ohv,1);
480 cm->AddNode(memv,1);
481 v9->AddNode(cm,1);
482 //
483 // end caps - they are make as an assembly of single segments
484 // containing both readout chambers
485 //
d899e254 486 Double_t openingAngle = 10.*TMath::DegToRad();
c1637e41 487 Double_t thick=1.5; // rib
d899e254 488 Double_t shift = thick/TMath::Sin(openingAngle);
c1637e41 489 //
d899e254 490 Double_t lowEdge = 86.3; // hole in the wheel
491 Double_t upEdge = 240.4; // hole in the wheel
c1637e41 492 //
493 new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
494 //
495 TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
496 //
d899e254 497 hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift);
498 hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift);
c1637e41 499 //
d899e254 500 hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift);
501 hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift);
c1637e41 502 //
d899e254 503 Double_t ys = shift*TMath::Sin(openingAngle);
504 Double_t xs = shift*TMath::Cos(openingAngle);
c1637e41 505 TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
506 tr->RegisterYourself();
507 TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
508 TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3);
509 TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2);
510 bar->DefineSection(0,-3.,131.5-shift,136.5-shift);
511 bar->DefineSection(1,1.5,131.5-shift,136.5-shift);
512 TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3);
513 TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment
514 //
515 ch->AddNode(sv,1); ch->AddNode(barv,1,tr);
516 //
517 // readout chambers
518 //
519 // IROC first
520 //
521 TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15);
522 TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3);
37831078 523 // empty space
c1637e41 524 TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65);
525 TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1);
526 ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.));
527 //bars
528 Double_t tga = (19.8328-12.3742)/39.3;
529 Double_t xmin,xmax;
530 xmin = 9.55*tga+12.3742;
531 xmax = 9.95*tga+12.3742;
532 TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2);
533 TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3);
534 empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9));
535 xmin=19.4*tga+12.3742;
536 xmax=19.9*tga+12.3742;
537 TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25);
538 TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3);
539 empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.));
540 xmin=29.35*tga+12.3742;
541 xmax=29.75*tga+12.3742;
542 TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2);
543 TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3);
544 empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9));
545 //
546 // holes for connectors
547 //
548 TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc
549 TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1);
d9e80aca 550 TString fileName(gSystem->Getenv("ALICE_ROOT"));
551 fileName += "/TPC/conn_iroc.dat";
c1637e41 552 ifstream in;
d9e80aca 553 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 554 for(Int_t i =0;i<86;i++){
456cb019 555 Double_t y = 3.99;
c1637e41 556 Double_t x,z,ang;
557 in>>x>>z>>ang;
456cb019 558 z-=26.5;
c1637e41 559 TGeoRotation *rrr = new TGeoRotation();
560 rrr->RotateY(ang);
561 TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr);
562 ibdv->AddNode(connv,i+1,trans);
563 }
564 in.close();
565 // "cap"
566 new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825);
567 // "hole"
568 new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15);
569 TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725);
570 tr1->RegisterYourself();
571 TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1");
572 TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3);
573 //
574 // pad plane and wire fixations
575 //
576 TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso
577 TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
578 TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4);
579 TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.);
580 TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4);
581 TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.);
582 TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4);
583 //
584 TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC");
585 //
586 iroc->AddNode(ibdv,1);
587 iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725));
588 iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725));
589 tga =(23.3521-14.5974)/49.65;
590 Double_t xx = 24.825*tga+14.5974-0.6;
591 iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725));
592 iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725));
593 //
594 // OROC
595 //
596 TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65);
597 TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3);
598 TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65);
599 TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1);
600 obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.));
601 //horizontal bars
602 tga=(38.5084-20.2938)/99.3;
603 xmin=tga*10.2+20.2938;
604 xmax=tga*10.6+20.2938;
605 TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2);
606 TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3);
607 //
608 xmin=22.55*tga+20.2938;
609 xmax=24.15*tga+20.2938;
610 TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8);
611 TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3);
612 //
613 xmin=36.1*tga+20.2938;
614 xmax=36.5*tga+20.2938;
615 TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2);
616 TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3);
617 //
618 xmin=49.0*tga+20.2938;
619 xmax=50.6*tga+20.2938;
620 TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8);
621 TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3);
622 //
623 xmin=63.6*tga+20.2938;
624 xmax=64.0*tga+20.2938;
625 TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2);
626 TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3);
627 //
628 xmin=75.5*tga+20.2938;
629 xmax=77.15*tga+20.2938;
630 TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8);
631 TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3);
632 //
633 xmin=88.7*tga+20.2938;
634 xmax=89.1*tga+20.2938;
635 TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2);
636 TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3);
637 //
638 oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25));
639 oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3));
640 oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35));
641 oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15));
642 oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15));
643 oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7));
644 oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25));
645 // vertical bars
646 TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1);
647 TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975);
648 TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775);
649 TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25);
650 TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5);
651 //
652 TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3);
653 TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3);
654 TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3);
655 TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3);
656 TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3);
657 //
658 oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55));
659 oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55));
660 oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075));
661 oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525));
662 oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125));
663 oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275));
664 oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9));
665 oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45));
666 //
667 // holes for connectors
668 //
d9e80aca 669 fileName = gSystem->Getenv("ALICE_ROOT");
670 fileName += "/TPC/conn_oroc.dat";
671 in.open(fileName.Data(), ios_base::in); // asci file
c1637e41 672 for(Int_t i =0;i<78;i++){
673 Double_t y =3.89;
674 Double_t x,z,ang;
675 Double_t x1,z1,x2,z2;
676 in>>x>>z>>ang;
677 Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad());
678 Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad());
679 //
680 x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z;
681 //
682 TGeoRotation *rr = new TGeoRotation();
683 rr->RotateY(ang);
684 z1-=54.95;
685 z2-=54.95;
686 TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr);
687 TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr);
688 obdv->AddNode(connv,i+1,trans1);
689 obdv->AddNode(connv,i+79,trans2);
690 }
691 in.close();
692 // cap
693 new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1);
694 new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65);
695 TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15);
696 tr5->RegisterYourself();
697 TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5");
698 TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3);
699 //
700 // pad plane and wire fixations
701 //
702 TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1);
703 TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4);
704 //
705 tga=(43.5239-23.3874)/114.2;
706 TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.);
707 TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.);
708 xx = 57.1*tga+23.3874-0.7;
709 TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4);
710 TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4);
711 //
712 TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC");
713 //
714 oroc->AddNode(obdv,1);
715 oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15));
716 oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15));
717 oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15));
718 oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15));
719 //
720 // now iroc and oroc are placed into a sector...
721 //
a1ec4d07 722 TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side
723 TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side
724 //
1fba9945 725
c1637e41 726 TGeoRotation rot1("rot1",90.,90.,0.);
727 TGeoRotation rot2("rot2");
728 rot2.RotateY(10.);
729 TGeoRotation *rot = new TGeoRotation("rot");
730 *rot=rot1*rot2;
731 //
732 Double_t x0,y0;
d899e254 733 x0=110.2*TMath::Cos(openingAngle);
734 y0=110.2*TMath::Sin(openingAngle);
20527578 735 TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
736 TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
d899e254 737 x0=188.45*TMath::Cos(openingAngle);
738 y0=188.45*TMath::Sin(openingAngle);
20527578 739 TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
740 TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
a1ec4d07 741 //
742 // A-side
743 //
744 secta->AddNode(ch,1);
745 secta->AddNode(iroc,1,combi1a);
746 secta->AddNode(oroc,1,combi2a);
747 //
748 // C-side
c1637e41 749 //
a1ec4d07 750 sectc->AddNode(ch,1);
751 sectc->AddNode(iroc,1,combi1c);
752 sectc->AddNode(oroc,1,combi2c);
c1637e41 753 //
a1ec4d07 754 // now I try to make wheels...
c1637e41 755 //
a1ec4d07 756 TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP");
757 TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP");
c1637e41 758 //
759 for(Int_t i =0;i<18;i++){
760 Double_t phi = (20.*i);
761 TGeoRotation *r = new TGeoRotation();
762 r->RotateZ(phi);
a1ec4d07 763 wheela->AddNode(secta,i+1,r);
764 wheelc->AddNode(sectc,i+1,r);
c1637e41 765 }
766 // wheels in the drift volume!
c1637e41 767 TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
a1ec4d07 768 v9->AddNode(wheela,1,combi3);
769 v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
c1637e41 770 //_____________________________________________________________
771 // service support wheel
772 //_____________________________________________________________
773 TGeoPgon *sw = new TGeoPgon(0.,20.,1,2);
774 sw->DefineSection(0,-4.,80.5,251.75);
775 sw->DefineSection(1,4.,80.5,251.75);
776 TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
777 //
778 thick=1.;
d899e254 779 shift = thick/TMath::Sin(openingAngle);
c1637e41 780 TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
781 sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
782 sh->DefineSection(1,4.,81.5-shift,250.75-shift);
783 TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
784 //
74518339 785 TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si");
786 TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
787 el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
788 el->DefineSection(1,1.872,81.5-shift,250.75-shift);
789 TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si
790 //
791 shv->AddNode(elv,1);
792 //
793 //
d899e254 794 ys = shift*TMath::Sin(openingAngle);
795 xs = shift*TMath::Cos(openingAngle);
c1637e41 796 swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
797 // cover
798 TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
799 co->DefineSection(0,-0.5,77.,255.25);
800 co->DefineSection(1,0.5,77.,255.25);
801 TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
802 // hole in a cover
803 TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
d899e254 804 shift=4./TMath::Sin(openingAngle);
c1637e41 805 coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
806 coh->DefineSection(1,0.5,85.-shift,247.25-shift);
807 //
808 TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
809 //
d899e254 810 ys = shift*TMath::Sin(openingAngle);
811 xs = shift*TMath::Cos(openingAngle);
c1637e41 812 cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
813 //
814 // Sector as an Assembly
815 //
816 TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC");
817 swhs->AddNode(swv,1);
818 swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5));
819 swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5));
820 //
821 // SSW as an Assembly of sectors
822 //
823 TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL");
824 for(Int_t i =0;i<18;i++){
825 Double_t phi = (20.*i);
826 TGeoRotation *r = new TGeoRotation();
827 r->RotateZ(phi);
828 swheel->AddNode(swhs,i+1,r);
829 }
830 v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6));
831 v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
832 //
37831078 833 //----------------------------------------------------------
834 // TPc Support Rods - MAKROLON
835 //----------------------------------------------------------
c1637e41 836 TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
837 TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
78134e48 838 TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
839 TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");
6c0ba48f 840 TGeoMedium *m13 = gGeoManager->GetMedium("TPC_Brass");
841 //
842 // tpc rod is an assembly of 10 long parts and 2 short parts
843 // connected with alu rings and plagged on both sides.
c1637e41 844 //
c1637e41 845 //
6c0ba48f 846// tpc rod long
847//
848 TGeoPcon *rod = new TGeoPcon("rod",0.,360.,6);
849 rod->DefineSection(0,-10.43,1.92,2.08);
850 rod->DefineSection(1,-9.75,1.92,2.08);
851
852 rod->DefineSection(2,-9.75,1.8,2.2);
853 rod->DefineSection(3,9.75,1.8,2.2);
854
855 rod->DefineSection(4,9.75,1.92,2.08);
856 rod->DefineSection(5,10.43,1.92,2.08);
857 //
858 TGeoVolume *mrodl = new TGeoVolume("TPC_mrodl",rod,m6);
859 //
860 // tpc rod short
861 //
862 TGeoPcon *rod1 = new TGeoPcon("rod1",0.,360.,6);
863 rod1->DefineSection(0,-8.93,1.92,2.08);
864 rod1->DefineSection(1,-8.25,1.92,2.08);
865
866 rod1->DefineSection(2,-8.25,1.8,2.2);
867 rod1->DefineSection(3,8.25,1.8,2.2);
868
869 rod1->DefineSection(4,8.25,1.92,2.08);
870 rod1->DefineSection(5,8.93,1.92,2.08);
871 //
872 TGeoVolume *mrods = new TGeoVolume("TPC_mrods",rod1,m6);
873 //
874 // below is for the resistor rod
875 //
876 // hole for the brass connectors
877 //
878
879 new TGeoTube("hhole",0.,0.3,0.3);
880 //
881 //transformations for holes - initialy they
882 // are placed at x=0 and negative y
883 //
884 TGeoRotation *rhole = new TGeoRotation();
885 rhole->RotateX(90.);
886 TGeoCombiTrans *transf[13];
887 Char_t name[30];
888 for(Int_t i=0;i<13;i++){
889 //sprintf(name,"transf%d",i);
890 snprintf(name,30,"transf%d",i);
891 transf[i]= new TGeoCombiTrans(name,0.,-2.,-9.+i*1.5,rhole);
892 transf[i]->RegisterYourself();
893 }
894 // union expression for holes
895 TString operl("hhole:transf0");
896 for (Int_t i=1;i<13;i++){
897 //sprintf(name,"+hhole:transf%d",i);
898 snprintf(name,30,"+hhole:transf%d",i);
899 operl.Append(name);
900 }
901 //
902 TString opers("hhole:transf1");
903 for (Int_t i=2;i<12;i++){
904 //sprintf(name,"+hhole:transf%d",i);
905 snprintf(name,30,"+hhole:transf%d",i);
906 opers.Append(name);
907 }
908 //union of holes
909 new TGeoCompositeShape("hlv",operl.Data());
910 new TGeoCompositeShape("hsv",opers.Data());
911 //
912 TGeoCompositeShape *rodl = new TGeoCompositeShape("rodl","rod-hlv");
913 TGeoCompositeShape *rods = new TGeoCompositeShape("rods","rod1-hsv");
914 //rods - volumes - makrolon rods with holes
915 TGeoVolume *rodlv = new TGeoVolume("TPC_rodl",rodl,m6);
916 TGeoVolume *rodsv = new TGeoVolume("TPC_rods",rods,m6);
917 //brass connectors
918 //connectors
919 TGeoTube *bcon = new TGeoTube(0.,0.3,0.3);//connectors
920 TGeoVolume *bconv = new TGeoVolume("TPC_bcon",bcon,m13);
921 //
922 // hooks holding strips
923 //
924 new TGeoBBox("hk1",0.625,0.015,0.75);
925 new TGeoBBox("hk2",0.625,0.015,0.15);
926 TGeoTranslation *tr21 = new TGeoTranslation("tr21",0.,-0.03,-0.6);
927 TGeoTranslation *tr12 = new TGeoTranslation("tr12",0.,-0.03,0.6);
928 tr21->RegisterYourself();
929 tr12->RegisterYourself();
930
931 TGeoCompositeShape *hook = new TGeoCompositeShape("hook","hk1+hk2:tr21+hk2:tr12");
932 TGeoVolume *hookv = new TGeoVolume("TPC_hook",hook,m13);
933 //
934 // assembly of the short rod with connectors and hooks
935 //
936 //
937 // short rod
938 //
939 TGeoVolumeAssembly *spart = new TGeoVolumeAssembly("TPC_spart");
940 //
941 spart->AddNode( rodsv,1);
942 for(Int_t i=1;i<12;i++){
943 spart->AddNode(bconv,i,transf[i]);
944 }
945 for(Int_t i =0;i<11;i++){
946 spart->AddNode(hookv,i+1,new TGeoTranslation(0.,-2.315,-7.5+i*1.5));
947 }
948 //
949 // long rod
950 //
951 TGeoVolumeAssembly *lpart = new TGeoVolumeAssembly("TPC_lpart");
952 //
953 lpart->AddNode( rodlv,1);
954 for(Int_t i=0;i<13;i++){
955 lpart->AddNode(bconv,i+12,transf[i]);
956 }
957 for(Int_t i =0;i<13;i++){
958 lpart->AddNode(hookv,i+12,new TGeoTranslation(0.,-2.315,-9.+i*1.5));
959 }
960 //
961 // alu ring
962 //
963 new TGeoTube("ring1",2.1075,2.235,0.53);
964 new TGeoTube("ring2",1.7925,1.89,0.43);
965 new TGeoTube("ring3",1.89,2.1075,0.05);
966 TGeoCompositeShape *ring = new TGeoCompositeShape("ring","ring1+ring2+ring3");
967 TGeoVolume *ringv = new TGeoVolume("TPC_ring",ring,m3);
968 //
969 // rod assembly
970 //
971 TGeoVolumeAssembly *tpcrrod = new TGeoVolumeAssembly("TPC_rrod");//rrod
972 TGeoVolumeAssembly *tpcmrod = new TGeoVolumeAssembly("TPC_mrod");//makrolon rod
973 //long pieces
974 for(Int_t i=0;i<11;i++){
975 tpcrrod->AddNode(ringv,i+1,new TGeoTranslation(0.,0.,-105.+i*21));
976 tpcmrod->AddNode(ringv,i+12,new TGeoTranslation(0.,0.,-105.+i*21));
977 }
978 for(Int_t i=0;i<10;i++){
979 tpcrrod->AddNode(lpart,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));//resistor rod
980 tpcmrod->AddNode(mrodl,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));//makrolon rod
981 }
78134e48 982 //
6c0ba48f 983 // right plug - identical for all rods
78134e48 984 //
6c0ba48f 985 TGeoPcon *tpcrp = new TGeoPcon(0.,360.,6);
78134e48 986 //
6c0ba48f 987 tpcrp->DefineSection(0,123.05,1.89,2.1075);
988 tpcrp->DefineSection(1,123.59,1.89,2.1075);
78134e48 989 //
6c0ba48f 990 tpcrp->DefineSection(2,123.59,1.8,2.2);
991 tpcrp->DefineSection(3,127.,1.8,2.2);
78134e48 992 //
6c0ba48f 993 tpcrp->DefineSection(4,127.,0.,2.2);
994 tpcrp->DefineSection(5,127.5,0.,2.2);
78134e48 995 //
6c0ba48f 996 TGeoVolume *tpcrpv = new TGeoVolume("TPC_RP",tpcrp,m6);
78134e48 997 //
6c0ba48f 998 // adding short pieces and right plug
78134e48 999 //
6c0ba48f 1000 tpcrrod->AddNode(spart,1,new TGeoTranslation(0.,0.,-114.));
1001 tpcrrod->AddNode(spart,2,new TGeoTranslation(0.,0.,114.));
1002 tpcrrod->AddNode(ringv,23,new TGeoTranslation(0.,0.,-123.));
1003 tpcrrod->AddNode(ringv,24,new TGeoTranslation(0.,0.,123.));
1004 tpcrrod->AddNode(tpcrpv,1);
78134e48 1005 //
6c0ba48f 1006 tpcmrod->AddNode(mrods,1,new TGeoTranslation(0.,0.,-114.));
1007 tpcmrod->AddNode(mrods,2,new TGeoTranslation(0.,0.,114.));
1008 tpcmrod->AddNode(ringv,25,new TGeoTranslation(0.,0.,-123.));
1009 tpcmrod->AddNode(ringv,26,new TGeoTranslation(0.,0.,123.));
1010 tpcmrod->AddNode(tpcrpv,2);
78134e48 1011 //
6c0ba48f 1012 // from the ringv position to the CM is 3.0 cm!
1013 //----------------------------------------
78134e48 1014 //
78134e48 1015 //
6c0ba48f 1016 //HV rods - makrolon + 0.58cm (diameter) Cu ->check the length
1017 TGeoTube *hvr = new TGeoTube(0.,1.465,123.);
1018 TGeoTube *hvc = new TGeoTube(0.,0.29,123.);
a3d2be59 1019 //
6c0ba48f 1020 TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
1021 TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
1022 hvrv->AddNode(hvcv,1);
1023 //
1024 //resistor rod
1025 //
1026 TGeoTube *cr = new TGeoTube(0.,0.45,123.);
1027 TGeoTube *cw = new TGeoTube(0.,0.15,123.);
1028 TGeoVolume *crv = new TGeoVolume("TPC_CR",cr,m10);
1029 TGeoVolume *cwv = new TGeoVolume("TPC_W",cw,m12);
1030 //
1031 // ceramic rod with water
1032 //
1033 crv->AddNode(cwv,1);
1034 //
1035 //peek rod
1036 //
1037 TGeoTube *pr =new TGeoTube(0.2,0.35,123.);
1038 TGeoVolume *prv = new TGeoVolume("TPC_PR",pr,m11);
1039 //
1040 // copper plates with connectors
1041 //
1042 new TGeoTube("tub",0.,1.7,0.025);
1043 //
1044 // half space - points on the plane and a normal vector
1045 //
1046 Double_t n[3],p[3];
1047 Double_t slope = TMath::Tan(22.*TMath::DegToRad());
1048 Double_t intp = 1.245;
1049 //
1050 Double_t b = slope*slope+1.;
1051 p[0]=intp*slope/b;
1052 p[1]=-intp/b;
1053 p[2]=0.;
1054 //
1055 n[0]=-p[0];
1056 n[1]=-p[1];
1057 n[2]=0.;
1058 Double_t norm;
1059 norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
1060 n[0] /= norm;
1061 n[1] /=norm;
1062 //
1063 new TGeoHalfSpace("sp1",p,n);
1064 //
1065 slope = -slope;
1066 //
1067 p[0]=intp*slope/b;
1068 p[1]=-intp/b;
1069 //
1070 n[0]=-p[0];
1071 n[1]=-p[1];
1072 norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
1073 n[0] /= norm;
1074 n[1] /=norm;
1075 //
1076 new TGeoHalfSpace("sp2",p,n);
1077 // holes for rods
1078 //holes
1079 new TGeoTube("h1",0.,0.5,0.025);
1080 new TGeoTube("h2",0.,0.35,0.025);
1081 //translations:
1082 TGeoTranslation *ttr11 = new TGeoTranslation("ttr11",-0.866,0.5,0.);
1083 TGeoTranslation *ttr22 = new TGeoTranslation("ttr22",0.866,0.5,0.);
1084 ttr11->RegisterYourself();
1085 ttr22->RegisterYourself();
1086 // elastic connector
1087 new TGeoBBox("elcon",0.72,0.005,0.3);
1088 TGeoRotation *crr1 = new TGeoRotation();
1089 crr1->RotateZ(-22.);
1090TGeoCombiTrans *ctr1 = new TGeoCombiTrans("ctr1",-0.36011, -1.09951,-0.325,crr1);
1091ctr1->RegisterYourself();
1092 TGeoCompositeShape *cs1 = new TGeoCompositeShape("cs1",
1093"(((((tub-h1:ttr11)-h1:ttr22)-sp1)-sp2)-h2)+elcon:ctr1");
1094 //
1095 TGeoVolume *csvv = new TGeoVolume("TPC_RR_CU",cs1,m7);
1096 //
1097 // resistor rod assembly 2 ceramic rods, peak rod, Cu plates
1098 // and resistors
1099 //
1100 TGeoVolumeAssembly *rrod = new TGeoVolumeAssembly("TPC_RRIN");
1101 // rods
1102 rrod->AddNode(crv,1,ttr11);
1103 rrod->AddNode(crv,2,ttr22);
1104 rrod->AddNode(prv,1);
1105 //Cu plates
1106 for(Int_t i=0;i<165;i++){
1107 rrod->AddNode(csvv,i+1,new TGeoTranslation(0.,0.,-122.675+i*1.5));
1108 }
1109 //resistors
1110 TGeoTube *res = new TGeoTube(0.,0.15,0.5);
1111 TGeoVolume *resv = new TGeoVolume("TPC_RES",res,m10);
1112 TGeoVolumeAssembly *ress = new TGeoVolumeAssembly("TPC_RES_CH");
1113 ress->AddNode(resv,1,new TGeoTranslation(0.2,0.,0.));
1114 ress->AddNode(resv,2,new TGeoTranslation(-0.2,0.,0.));
1115 //
1116 TGeoRotation *crr2 = new TGeoRotation();
1117 crr2->RotateY(30.);
1118 TGeoRotation *crr3 = new TGeoRotation();
1119 crr3->RotateY(-30.);
1120 //
1121 for(Int_t i=0;i<164;i+=2){
1122 rrod->AddNode(ress,i+1, new TGeoCombiTrans(0.,1.2,-121.925+i*1.5,crr2));
1123 rrod->AddNode(ress,i+2, new TGeoCombiTrans(0.,1.2,-121.925+(i+1)*1.5,crr3));
1124 }
1125
1126 tpcrrod->AddNode(rrod,1,new TGeoCombiTrans(0.,0.,0.5,crr1));
1127 //
1128 // rod left head with holders - inner
1129 //
1130 // first element - support for inner holder TPC_IHS
1131 Double_t shift1[3] = {0.0,-0.175,0.0};
1132
1133new TGeoBBox("tpcihs1", 4.7, 0.66, 2.35);
1134new TGeoBBox("tpcihs2", 4.7, 0.485, 1.0, shift1);
1135new TGeoBBox("tpcihs3", 1.5, 0.485, 2.35, shift1);
1136new TGeoTube("tpcihs4", 0.0, 2.38, 0.1);
1137//
1138Double_t pointstrap[16];
1139pointstrap[0]= 0.0;
1140pointstrap[1]= 0.0;
1141pointstrap[2]= 0.0;
1142pointstrap[3]= 1.08;
1143pointstrap[4]= 2.3;
1144pointstrap[5]= 1.08;
1145pointstrap[6]= 3.38;
1146pointstrap[7]= 0.0;
1147pointstrap[8]= 0.0;
1148pointstrap[9]= 0.0;
1149pointstrap[10]= 0.0;
1150pointstrap[11]= 1.08;
1151pointstrap[12]= 2.3;
1152pointstrap[13]= 1.08;
1153pointstrap[14]= 3.38;
1154pointstrap[15]= 0.0;
1155//
1156TGeoArb8 *tpcihs5 = new TGeoArb8("tpcihs5", 0.6, pointstrap);
1157//
1158// half space - cutting "legs"
1159//
1160 p[0]=0.0;
1161 p[1]=0.105;
1162 p[2]=0.0;
1163 //
1164n[0] = 0.0;
1165n[1] = 1.0;
1166n[2] = 0.0;
1167
1168new TGeoHalfSpace("cutil1", p, n);
1169
1170//
1171// transformations
1172//
1173TGeoTranslation *trans2 = new TGeoTranslation("trans2", 0.0, 2.84, 2.25);
1174trans2->RegisterYourself();
1175TGeoTranslation*trans3= new TGeoTranslation("trans3", 0.0, 2.84, -2.25);
1176trans3->RegisterYourself();
1177//support - composite volume
1178//
1179TGeoCompositeShape *tpcihs6 = new TGeoCompositeShape("tpcihs6", "tpcihs1-(tpcihs2+tpcihs3)-(tpcihs4:trans2)-(tpcihs4:trans3)-cutil1");
1180//
1181// volumes - all makrolon
1182//
1183 TGeoVolume *tpcihss = new TGeoVolume("TPC_IHSS", tpcihs6, m6); //support
1184 TGeoVolume *tpcihst = new TGeoVolume("TPC_IHSTR",tpcihs5 , m6); //trapesoid
1185 //now assembly
1186TGeoRotation *rot111 = new TGeoRotation();
1187rot111->RotateY(180.0);
1188//
1189TGeoVolumeAssembly *tpcihs = new TGeoVolumeAssembly("TPC_IHS"); // assembly of the support
1190tpcihs->AddNode(tpcihss, 1);
1191tpcihs->AddNode(tpcihst, 1, new TGeoTranslation(-4.7, 0.66, 0.0));
1192tpcihs->AddNode(tpcihst, 2, new TGeoCombiTrans(4.7, 0.66, 0.0, rot111));
1193//
1194// two rod holders (TPC_IRH) assembled with the support
1195//
1196new TGeoBBox("tpcirh1", 4.7, 1.33, 0.5);
1197 shift1[0]=-3.65;
1198 shift1[1]=0.53;
1199 shift1[2]=0.;
1200new TGeoBBox("tpcirh2", 1.05, 0.8, 0.5, shift1);
1201 shift1[0]=3.65;
1202 shift1[1]=0.53;
1203 shift1[2]=0.;
1204new TGeoBBox("tpcirh3", 1.05, 0.8, 0.5, shift1);
1205 shift1[0]=0.0;
1206 shift1[1]=1.08;
1207 shift1[2]=0.;
1208new TGeoBBox("tpcirh4", 1.9, 0.25, 0.5, shift1);
1209new TGeoTube("tpcirh5", 0, 1.9, 5);
1210//
1211TGeoTranslation *trans4 = new TGeoTranslation("trans4", 0, 0.83, 0.0);
1212trans4->RegisterYourself();
1213//
1214TGeoCompositeShape *tpcirh6 = new TGeoCompositeShape("tpcirh6", "tpcirh1-tpcirh2-tpcirh3-(tpcirh5:trans4)-tpcirh4");
1215//
1216// now volume
1217//
1218TGeoVolume *tpcirh = new TGeoVolume("TPC_IRH", tpcirh6, m6);
1219//
1220// and all together...
1221//
1222TGeoVolume *tpciclamp = new TGeoVolumeAssembly("TPC_ICLP");
1223tpciclamp->AddNode(tpcihs, 1);
1224tpciclamp->AddNode(tpcirh, 1, new TGeoTranslation(0, 1.99, 1.1));
1225tpciclamp->AddNode(tpcirh, 2, new TGeoTranslation(0, 1.99, -1.1));
1226//
1227// and now left inner "head"
1228//
1229TGeoPcon *inplug = new TGeoPcon("inplug", 0.0, 360.0, 14);
1230
1231inplug->DefineSection(0, 0.3, 0.0, 2.2);
1232inplug->DefineSection(1, 0.6, 0.0, 2.2);
1233
1234inplug->DefineSection(2, 0.6, 0.0, 1.75);
1235inplug->DefineSection(3, 0.7, 0.0, 1.75);
1236
1237inplug->DefineSection(4, 0.7, 1.55, 1.75);
1238inplug->DefineSection(5, 1.6, 1.55, 1.75);
1239
1240inplug->DefineSection(6, 1.6, 1.55, 2.2);
1241inplug->DefineSection(7, 1.875, 1.55, 2.2);
1242
1243inplug->DefineSection(8, 1.875, 1.55, 2.2);
1244inplug->DefineSection(9, 2.47, 1.75, 2.2);
1245
1246inplug->DefineSection(10, 2.47, 1.75, 2.08);
1247inplug->DefineSection(11, 2.57, 1.8, 2.08);
1248
1249inplug->DefineSection(12, 2.57, 1.92, 2.08);
1250inplug->DefineSection(13, 2.95, 1.92, 2.08);
1251//
1252 shift1[0]=0.0;
1253 shift1[1]=-2.09;
1254 shift1[2]=1.075;
1255 //
1256new TGeoBBox("pcuti", 1.5, 0.11, 1.075, shift1);
1257//
1258TGeoCompositeShape *inplleft = new TGeoCompositeShape("inplleft", "inplug-pcuti");
1259TGeoVolume *tpcinlplug = new TGeoVolume("TPC_INPLL", inplleft, m6);
1260//
1261// holder + plugs
1262//
1263 TGeoVolume *tpcihpl = new TGeoVolumeAssembly("TPC_IHPL"); //holder+2 plugs (reflected)
1264 tpcihpl->AddNode(tpcinlplug, 1);
1265 tpcihpl->AddNode(tpcinlplug, 2,ref);
1266 tpcihpl->AddNode(tpciclamp,1,new TGeoTranslation(0.0, -2.765, 0.0));
1267 //
1268 // outer holders and clamps
1269 //
1270
1271 // outer membrane holder (between rods)
1272pointstrap[0]= 0.0;
1273pointstrap[1]= 0.0;
1274pointstrap[2]= 0.0;
1275pointstrap[3]= 2.8;
1276pointstrap[4]= 3.1;
1277pointstrap[5]= 2.8-3.1*TMath::Tan(15.*TMath::DegToRad());
1278pointstrap[6]= 3.1;
1279pointstrap[7]= 0.0;
1280pointstrap[8]= 0.0;
1281pointstrap[9]= 0.0;
1282pointstrap[10]= 0.0;
1283pointstrap[11]= 2.8;
1284pointstrap[12]= 3.1;
1285pointstrap[13]= 2.8-3.1*TMath::Tan(15.*TMath::DegToRad());
1286pointstrap[14]= 3.1;
1287pointstrap[15]= 0.0;
1288//
1289TGeoArb8 *tpcomh1 = new TGeoArb8("tpcomh1", 1.05, pointstrap);
1290TGeoBBox *tpcomh2 = new TGeoBBox("tpcomh2", 0.8, 1.4, 6);
1291//
1292TGeoVolume *tpcomh1v = new TGeoVolume("TPC_OMH1", tpcomh1, m7);
1293TGeoVolume *tpcomh2v = new TGeoVolume("TPC_OMH2", tpcomh2, m7);
1294//
1295TGeoVolume *tpcomh3v = new TGeoVolumeAssembly("TPC_OMH3"); // assembly1
1296tpcomh3v->AddNode(tpcomh1v, 1, new TGeoTranslation(0.8, -1.4, 4.95));
1297 tpcomh3v->AddNode(tpcomh1v, 2, new TGeoTranslation(0.8, -1.4, -4.95));
1298tpcomh3v->AddNode(tpcomh2v, 1);
1299//
1300shift1[0] = 0.9;
1301shift1[1] = -1.85;
1302shift1[2] = 0.0;
1303//
1304new TGeoBBox("tpcomh3", 1.65, 1.15, 3.4);
1305TGeoBBox *tpcomh4 = new TGeoBBox("tpcomh4", 0.75, 0.7, 3.4, shift1);
1306//
1307// halfspace 1
1308//
1309p[0] = 0.0;
1310p[1] = -1.05;
1311p[2] = -3.4;
1312//
1313n[0] = 0.0;
1314n[1] = -1.0*TMath::Tan(30.*TMath::DegToRad());
1315n[2] = 1.0;
1316//
1317new TGeoHalfSpace("cutomh1", p, n);
1318//
1319// halfspace 2
1320//
1321p[0] = 0.0;
1322p[1] = -1.05;
1323p[2] = 3.4;
1324//
1325n[0] = 0.0;
1326n[1] = -1.0*TMath::Tan(30.*TMath::DegToRad());
1327n[2] = -1.0;
1328//
1329new TGeoHalfSpace("cutomh2", p, n);
1330//
1331// halfspace 3
1332//
1333p[0] = -1.65;
1334p[1] = 0.0;
1335p[2] = -0.9;
1336//
1337n[0] = 1.0*TMath::Tan(75.*TMath::DegToRad());
1338n[1] = 0.0;
1339n[2] = 1.0;
1340//
1341new TGeoHalfSpace("cutomh3", p, n);
1342//
1343// halfspace 4
1344//
1345p[0] = -1.65;
1346p[1] = 0.0;
1347p[2] = 0.9;
1348//
1349n[0] = 1.0*TMath::Tan(75*TMath::DegToRad());
1350n[1] = 0.0;
1351n[2] = -1.0;
1352//
1353new TGeoHalfSpace("cutomh4", p, n);
1354//
1355// halsfspace 5
1356//
1357p[0] = 1.65;
1358p[1] = -1.05;
1359p[2] = 0.0;
1360//
1361n[0] = -1.0;
1362n[1] = -1.0*TMath::Tan(20.*TMath::DegToRad());
1363n[2] = 0.0;
1364//
1365new TGeoHalfSpace("cutomh5", p, n);
1366//
1367TGeoCompositeShape *tpcomh5 = new TGeoCompositeShape("tpcomh5", "tpcomh3-cutomh1-cutomh2-cutomh3-cutomh4-cutomh5");
1368//
1369 TGeoVolume *tpcomh5v = new TGeoVolume("TPC_OMH5",tpcomh5,m6);
1370 TGeoVolume *tpcomh4v = new TGeoVolume("TPC_OMH6",tpcomh4,m6);
1371 //
1372 TGeoVolumeAssembly *tpcomh7v = new TGeoVolumeAssembly("TPC_OMH7");
1373 tpcomh7v->AddNode(tpcomh5v,1);
1374 tpcomh7v->AddNode(tpcomh4v,1);
1375 //
1376 // full membrane holder - tpcomh3v + tpcomh7v
1377 //
1378 TGeoVolumeAssembly *tpcomh = new TGeoVolumeAssembly("TPC_OMH");
1379 tpcomh->AddNode(tpcomh3v,1,new TGeoTranslation(1.5,0.,0.));
1380 tpcomh->AddNode(tpcomh3v,2,new TGeoCombiTrans(-1.5,0.,0.,rot111));
1381 tpcomh->AddNode(tpcomh7v,1,new TGeoTranslation(0.65+1.5, 2.55, 0.0));
1382 tpcomh->AddNode(tpcomh7v,2,new TGeoCombiTrans(-0.65-1.5, 2.55, 0.0,rot111));
1383 //
1384 // outer rod holder support
1385 //
1386new TGeoBBox("tpcohs1", 3.8, 0.675, 2.35);
1387//
1388shift1[0] = 0.0;
1389shift1[1] = 0.175;
1390shift1[2] = 0.0;
1391//
1392new TGeoBBox("tpcohs2", 1.5, 0.5, 2.35, shift1);
1393new TGeoBBox("tpcohs3", 3.8, 0.5, 0.85, shift1);
1394//
1395shift1[0] = 0.0;
1396shift1[1] = -1.175;
1397shift1[2] = 0.0;
1398//
1399TGeoBBox *tpcohs4 = new TGeoBBox("tpsohs4", 3.1, 0.5, 0.7, shift1);
1400//
1401TGeoVolume *tpcohs4v = new TGeoVolume("TPC_OHS4", tpcohs4, m6);
1402//
1403p[0] = 0.0;
1404p[1] = -0.186;
1405p[2] = 0.0;
1406//
1407n[0] = 0.0;
1408n[1] = -1.0;
1409n[2] = 0.0;
1410//
1411new TGeoHalfSpace("cutohs1", p, n);
1412//
1413TGeoCompositeShape *tpcohs5 = new TGeoCompositeShape("tpcohs5", "tpcohs1-tpcohs2-tpcohs3-cutohs1");
1414TGeoVolume *tpcohs5v = new TGeoVolume("TPC_OHS5", tpcohs5, m6);
1415//
1416TGeoVolumeAssembly *tpcohs = new TGeoVolumeAssembly("TPC_OHS");
1417tpcohs->AddNode(tpcohs5v, 1);
1418tpcohs->AddNode(tpcohs4v, 1);
1419//
1420// outer rod holder itself
1421//
1422shift1[0] = 0.0;
1423shift1[1] = 1.325;
1424shift1[2] = 0.0;
1425 new TGeoBBox("tpcorh1", 3.1, 1.825, 0.55); //from this box we cut pieces...
1426 //
1427shift1[0] = -3.1;
1428shift1[1] = -0.5;
1429shift1[2] = 0.0;
1430//
1431new TGeoBBox("tpcorh2", 0.5, 2.75, 1.1, shift1);
1432//
1433shift1[0] = 3.1;
1434shift1[1] = -0.5;
1435shift1[2] = 0.0;
1436//
1437new TGeoBBox("tpcorh3", 0.5, 2.75, 1.1, shift1);
1438//
1439shift1[0] = 0.0;
1440shift1[1] = -0.5;
1441shift1[2] = -0.95;
1442//
1443new TGeoBBox("tpcorh4", 3.9, 2.75, 0.5, shift1);
1444//
1445shift1[0] = 0.0;
1446shift1[1] = -0.5;
1447shift1[2] = 0.0;
1448//
1449new TGeoBBox("tpcorh5", 1.95, 0.5, 1.1, shift1);
1450//
1451shift1[0] = 0.0;
1452shift1[1] = -0.5;
1453shift1[2] = 0.55;
1454//
1455new TGeoBBox("tpcorh6", 2.4, 0.5, 0.6, shift1);
1456//
1457new TGeoTube("tpcorh7", 0, 1.95, 0.85);
1458new TGeoTube("tpcorh8", 0, 2.4, 0.6);
1459//
1460TGeoTranslation *trans33 = new TGeoTranslation("trans33", 0.0, 0.0, 0.55);
1461trans33->RegisterYourself();
1462//
1463TGeoCompositeShape *tpcorh9 = new TGeoCompositeShape("tpcorh9", "tpcorh1-tpcorh2-tpcorh3-tpcorh4-tpcorh5-tpcorh6-(tpcorh8:trans33)-tpcorh7");
1464//
1465 TGeoVolume *tpcorh9v = new TGeoVolume("TPC_ORH",tpcorh9,m6); //outer rod holder
1466 //
1467 // now 2 holders together
1468 //
1469 TGeoVolumeAssembly *tpcorh = new TGeoVolumeAssembly("TPC_ORH2");
1470 //
1471 tpcorh->AddNode(tpcorh9v,1,new TGeoTranslation(0.0, 0.0, 1.25));
1472 tpcorh->AddNode(tpcorh9v,2,new TGeoCombiTrans(0.0, 0.0, -1.25,rot111));
1473//
1474// outer rod plug left
1475//
1476TGeoPcon *outplug = new TGeoPcon("outplug", 0.0, 360.0, 14);
1477
1478outplug->DefineSection(0, 0.5, 0.0, 2.2);
1479outplug->DefineSection(1, 0.7, 0.0, 2.2);
1480
1481outplug->DefineSection(2, 0.7, 1.55, 2.2);
1482outplug->DefineSection(3, 0.8, 1.55, 2.2);
1483
1484outplug->DefineSection(4, 0.8, 1.55, 1.75);
1485outplug->DefineSection(5, 1.2, 1.55, 1.75);
1486
1487outplug->DefineSection(6, 1.2, 1.55, 2.2);
1488outplug->DefineSection(7, 1.875, 1.55, 2.2);
1489
1490outplug->DefineSection(8, 1.875, 1.55, 2.2);
1491outplug->DefineSection(9, 2.47, 1.75, 2.2);
1492
1493outplug->DefineSection(10, 2.47, 1.75, 2.08);
1494outplug->DefineSection(11, 2.57, 1.8, 2.08);
1495
1496outplug->DefineSection(12, 2.57, 1.92, 2.08);
1497outplug->DefineSection(13, 2.95, 1.92, 2.08);
1498//
1499shift1[0] = 0.0;
1500shift1[1] = 2.09;
1501shift1[2] = 1.01;
1502
1503new TGeoBBox("cutout", 2.5, 0.11, 1.01, shift1);
1504//
1505
1506TGeoCompositeShape *outplleft = new TGeoCompositeShape("outplleft", "outplug-cutout");
1507TGeoVolume *outplleftv = new TGeoVolume("TPC_OPLL", outplleft, m6);
1508//
1509// support + holder + plug
1510//
1511
1512
1513 TGeoVolumeAssembly *tpcohpl = new TGeoVolumeAssembly("TPC_OHPL");
1514 //
1515 tpcohpl->AddNode(outplleftv,1); //plug
1516 tpcohpl->AddNode(outplleftv,2,ref); //plug reflected
1517 tpcohpl->AddNode(tpcorh,1); //rod holder
1518 tpcohpl->AddNode(tpcohs,1,new TGeoTranslation(0.0, 3.925, 0)); // support
1519 //
1520
1521 //
1522 // main membrane holder
1523 //
1524pointstrap[0]= 0.0;
1525pointstrap[1]= 0.0;
1526pointstrap[2]= 0.0;
1527pointstrap[3]= 2.8;
1528pointstrap[4]= 3.1;
1529pointstrap[5]= 1.96;
1530pointstrap[6]= 3.1;
1531pointstrap[7]= 0.0;
1532pointstrap[8]= 0.0;
1533pointstrap[9]= 0.0;
1534pointstrap[10]= 0.0;
1535pointstrap[11]= 2.8;
1536pointstrap[12]= 3.1;
1537pointstrap[13]= 1.96;
1538pointstrap[14]= 3.1;
1539pointstrap[15]= 0.0;
1540//
1541TGeoArb8 *tpcmmh1 = new TGeoArb8("tpcmmh1", 1.75, pointstrap);
1542TGeoBBox *tpcmmh2 = new TGeoBBox("tpcmmh2", 0.8, 1.4, 12.5);
1543//
1544TGeoVolume *tpcmmh1v = new TGeoVolume("TPC_MMH1", tpcmmh1, m6);
1545TGeoVolume *tpcmmh2v = new TGeoVolume("TPC_MMH2", tpcmmh2, m6);
1546//
1547 TGeoVolumeAssembly *tpcmmhs = new TGeoVolumeAssembly("TPC_MMHS");
1548 tpcmmhs->AddNode(tpcmmh1v,1,new TGeoTranslation(0.8, -1.4, 10.75));
1549 tpcmmhs->AddNode(tpcmmh1v,2,new TGeoTranslation(0.8, -1.4, -10.75));
1550 tpcmmhs->AddNode(tpcmmh2v,1);
1551 //
1552 // main membrahe holder clamp
1553 //
1554shift1[0] = -0.75;
1555shift1[1] = -1.15;
1556shift1[2] = 0.0;
1557//
1558new TGeoBBox("tpcmmhc1", 1.65, 1.85, 8.9);
1559new TGeoBBox("tpcmmhc2", 0.9, 0.7, 8.9, shift1);
1560//
1561// half spaces - cuts
1562//
1563p[0] = -1.65;
1564p[1] = 0.0;
1565p[2] = -0.9;
1566//
1567n[0] = 8.0;
1568n[1] = 0.0;
1569n[2] = 8.0*TMath::Tan(13.*TMath::DegToRad());
1570//
1571new TGeoHalfSpace("cutmmh1", p, n);
1572//
1573p[0] = -1.65;
1574p[1] = 0.0;
1575p[2] = 0.9;
1576//
1577n[0] = 8.0;
1578n[1] = 0.0;
1579n[2] = -8.0*TMath::Tan(13.*TMath::DegToRad());
1580//
1581new TGeoHalfSpace("cutmmh2", p, n);
1582//
1583p[0] = 0.0;
1584p[1] = 1.85;
1585p[2] = -2.8;
1586//
1587n[0] = 0.0;
1588n[1] = -6.1;
1589n[2] = 6.1*TMath::Tan(20.*TMath::DegToRad());
1590//
1591new TGeoHalfSpace("cutmmh3", p, n);
1592//
1593p[0] = 0.0;
1594p[1] = 1.85;
1595p[2] = 2.8;
1596//
1597n[0] = 0.0;
1598n[1] = -6.1;
1599n[2] = -6.1*TMath::Tan(20*TMath::DegToRad());
1600//
1601new TGeoHalfSpace("cutmmh4", p, n);
1602//
1603p[0] = 0.75;
1604p[1] = 0.0;
1605p[2] = -8.9;
1606//
1607n[0] = 2.4*TMath::Tan(30*TMath::DegToRad());
1608n[1] = 0.0;
1609n[2] = 2.4;
1610//
1611 new TGeoHalfSpace("cutmmh5", p, n);
1612//
1613p[0] = 0.75;
1614p[1] = 0.0;
1615p[2] = 8.9;
1616//
1617n[0] = 2.4*TMath::Tan(30*TMath::DegToRad());
1618n[1] = 0.0;
1619n[2] = -2.4;
1620//
1621new TGeoHalfSpace("cutmmh6", p, n);
1622
1623TGeoCompositeShape *tpcmmhc = new TGeoCompositeShape("TPC_MMHC", "tpcmmhc1-tpcmmhc2-cutmmh1-cutmmh2-cutmmh3-cutmmh4-cutmmh5-cutmmh6");
1624
1625 TGeoVolume *tpcmmhcv = new TGeoVolume("TPC_MMHC",tpcmmhc,m6);
1626 //
1627TGeoVolume *tpcmmh = new TGeoVolumeAssembly("TPC_MMH");
1628//
1629 tpcmmh->AddNode(tpcmmhcv,1,new TGeoTranslation(0.65+1.5, 1.85, 0.0));
1630 tpcmmh->AddNode(tpcmmhcv,2,new TGeoCombiTrans(-0.65-1.5, 1.85, 0.0,rot111));
1631 tpcmmh->AddNode(tpcmmhs,1,new TGeoTranslation(1.5, 0.0, 0.0));
1632 tpcmmh->AddNode(tpcmmhs,2,new TGeoCombiTrans(-1.5, 0.0, 0.0,rot111));
1633 //
1634
1635 //
1636
1637//--------------------------------------------
1638 //
1639 // guard ring resistor chain
1640 //
1641
1642 TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc
1643 //
1644 TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m10);
1645
1646 //
1647 Double_t xrc,yrc;
1648 //
1649 xrc=79.3*TMath::Cos(350.*TMath::DegToRad());
1650 yrc=79.3*TMath::Sin(350.*TMath::DegToRad());
1651 //
1652 v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9));
1653 v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9));
1654 //
1655 xrc=79.3*TMath::Cos(190.*TMath::DegToRad());
1656 yrc=79.3*TMath::Sin(190.*TMath::DegToRad());
1657 //
1658 v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9));
1659 v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9));
1660 //------------------------------------------------------------------
1661 TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.);
1662 TGeoRotation rotrod("rotrod");
1663 //
1664 TGeoRotation *rotpos[2];
1665 //
1666 TGeoRotation *rotrod1[2];
1667
1668
1669 //v9 - drift gas
1670
1671 TGeoRotation rot102("rot102");
1672 rot102.RotateY(-90.);
1673
7281dc07 1674 for(Int_t i=0;i<18;i++){
c1637e41 1675 Double_t angle,x,y;
1676 Double_t z,r;
1677 angle=TMath::DegToRad()*20.*(Double_t)i;
6c0ba48f 1678 //inner rods
c1637e41 1679 r=81.5;
1680 x=r * TMath::Cos(angle);
1681 y=r * TMath::Sin(angle);
6c0ba48f 1682 z = 126.;
1683 TGeoRotation *rot12 = new TGeoRotation();
1684 rot12->RotateZ(-90.0+i*20.);
1685 v9->AddNode(tpcihpl,i+1,new TGeoCombiTrans(x, y, 0., rot12));
1686 //
1687 if(i==11){//resistor rod inner
1688 rotrod.RotateZ(-90.+angle);
1689 rotrod1[0]= new TGeoRotation();
1690 rotpos[0]= new TGeoRotation();
1691 //
1692 rotrod1[0]->RotateZ(-90.+angle);
1693 *rotpos[0] = refl*rotrod; //rotation+reflection
1694 v9->AddNode(tpcrrod,1,new TGeoCombiTrans(x,y, z, rotrod1[0])); //A
1695 v9->AddNode(tpcrrod,2,new TGeoCombiTrans(x,y,-z, rotpos[0])); //C
78134e48 1696 }
1697 else {
6c0ba48f 1698 v9->AddNode(tpcmrod,i+1,new TGeoTranslation(x,y,z));//shaft
1699 v9->AddNode(tpcmrod,i+19,new TGeoCombiTrans(x,y,-z,ref));//muon
c1637e41 1700 }
6c0ba48f 1701 // outer rods
c1637e41 1702 r=254.25;
1703 x=r * TMath::Cos(angle);
1704 y=r * TMath::Sin(angle);
6c0ba48f 1705 z=126.;
78134e48 1706 //
6c0ba48f 1707 // outer rod holder + outer left plug
1708 //
1709 TGeoRotation *rot33 = new TGeoRotation();
1710 rot33->RotateZ(-90+i*20.);
1711 //
1712 v9->AddNode(tpcohpl,i+1,new TGeoCombiTrans(x, y, 0., rot33));
1713 //
1714 Double_t xxx = 256.297*TMath::Cos((i*20.+10.)*TMath::DegToRad());
1715 Double_t yyy = 256.297*TMath::Sin((i*20.+10.)*TMath::DegToRad());
1716 //
1717 TGeoRotation rot101("rot101");
1718 rot101.RotateZ(90.+i*20.+10.);
1719 TGeoRotation *rot103 = new TGeoRotation("rot103");
1720 *rot103 = rot101*rot102;
1721 //
1722 TGeoCombiTrans *trh100 = new TGeoCombiTrans(xxx,yyy,0.,rot103);
1723 //
1724 if(i==2) {
1725 //main membrane holder
1726 v9->AddNode(tpcmmh,1,trh100);
78134e48 1727 }
1728 else{
6c0ba48f 1729 // "normal" membrane holder
1730 v9->AddNode(tpcomh,i+1,trh100);
1731 }
1732
78134e48 1733 //
6c0ba48f 1734 if(i==3){//resistor rod outer
1735 rotrod.RotateZ(90.+angle);
1736 rotrod1[1]= new TGeoRotation();
1737 rotpos[1]= new TGeoRotation();
1738 rotrod1[1]->RotateZ(90.+angle);
1739 *rotpos[1] = refl*rotrod;//rotation+reflection
1740 v9->AddNode(tpcrrod,3,new TGeoCombiTrans(x,y, z, rotrod1[1])); //A
1741 v9->AddNode(tpcrrod,4,new TGeoCombiTrans(x,y, -z, rotpos[1])); //C
78134e48 1742 }
6c0ba48f 1743 else {
1744 v9->AddNode(tpcmrod,i+37,new TGeoTranslation(x,y,z));//shaft
1745 v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon
1746 }
1747 if(i==15){
1748 v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z+0.7)); //hv->A-side only
78134e48 1749
6c0ba48f 1750
1751 }
1752 } //end of rods positioning
37831078 1753
bde68ab0 1754 TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
1755 alice->AddNode(v1,1);
1756
79575d04 1757
1283eee5 1758} // end of function
1759
fe4da5cc 1760
c5d5037c 1761
fe4da5cc 1762//_____________________________________________________________________________
1763void AliTPCv0::CreateMaterials()
1764{
1765 //
1766 // Define materials for the TPC
1767 //
1768 AliTPC::CreateMaterials();
1769}
1770
fe4da5cc 1771
1772//_____________________________________________________________________________
1773void AliTPCv0::Init()
1774{
1775 //
1776 // Initialise Time Projection Chamber version 0
1777 //
13a8c8d7 1778
1779 printf("%s: *** TPC version 0 initialized***\n",ClassName());
1780
1781 // printf("TPC version 0 initialized\n");
fe4da5cc 1782}
1783
1784//_____________________________________________________________________________
1785void AliTPCv0::StepManager()
1786{
1787 //
1788 // Procedure called at each step in the TPC
1789 //
1790}