Line data Source code
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 :
16 : /* $Id$ */
17 :
18 : //
19 : ///////////////////////////////////////////////////////////////////////////////
20 : // //
21 : // Time Projection Chamber version 2 -- detailed TPC and slow simulation //
22 : // //
23 : //Begin_Html
24 : /*
25 : <img src="picts/AliTPCv2Class.gif">
26 : */
27 : //End_Html
28 : // //
29 : // //
30 : ///////////////////////////////////////////////////////////////////////////////
31 :
32 : //#include <stdlib.h>
33 :
34 : #include <TLorentzVector.h>
35 : #include <TPDGCode.h>
36 : #include <TString.h>
37 : #include "AliLog.h"
38 : #include "AliMathBase.h"
39 : #include "AliTrackReference.h"
40 : #include "AliTPCParam.h"
41 : #include "AliTPCTrackHitsV2.h"
42 : #include "AliTPCv2.h"
43 : #include "AliGeomManager.h"
44 : #include "TGeoVolume.h"
45 : #include "TGeoPcon.h"
46 : #include "TGeoTube.h"
47 : #include "TGeoCone.h"
48 : #include "TGeoPgon.h"
49 : #include "TGeoTrd1.h"
50 : #include "TGeoCompositeShape.h"
51 : #include "TGeoPara.h"
52 : #include "TGeoPhysicalNode.h"
53 : #include "TGeoHalfSpace.h"
54 : #include "TTreeStream.h"
55 : #include "TGeoArb8.h"
56 : #include <iostream>
57 : #include <fstream>
58 :
59 : using std::ifstream;
60 : using std::ios_base;
61 : extern "C"{
62 : Gas gaspar_;
63 : };
64 12 : ClassImp(AliTPCv2)
65 :
66 : //_____________________________________________________________________________
67 : AliTPCv2::AliTPCv2(const char *name, const char *title) :
68 1 : AliTPC(name, title),
69 1 : fIdSens(0),
70 1 : fIDrift(0),
71 1 : fSecOld(0)
72 5 : {
73 : //
74 : // Standard constructor for Time Projection Chamber version 2
75 : //
76 :
77 :
78 1 : SetBufferSize(128000);
79 1 : if(!fTPCParam) {AliFatal("TPC parameters not set");
80 : return;
81 : }
82 1 : gaspar_.fpot=fTPCParam->GetFpot();
83 1 : gaspar_.eend=fTPCParam->GetEend();
84 1 : gaspar_.eexpo=fTPCParam->GetExp();
85 :
86 :
87 3 : }
88 :
89 : //_____________________________________________________________________________
90 : void AliTPCv2::CreateGeometry()
91 : {
92 : //
93 : // Create the geometry of Time Projection Chamber version 2
94 : //
95 : //Begin_Html
96 : /*
97 : <img src="picts/AliTPC.gif">
98 : */
99 : //End_Html
100 : //Begin_Html
101 : /*
102 : <img src="picts/AliTPCv2Tree.gif">
103 : */
104 : //End_Html
105 :
106 : //----------------------------------------------------------
107 : // This geometry is written using TGeo class
108 : // Firstly the shapes are defined, and only then the volumes
109 : // What is recognized by the MC are volumes
110 : //----------------------------------------------------------
111 : //
112 : // tpc - this will be the mother volume
113 : //
114 :
115 : //
116 : // here I define a volume TPC
117 : // retrive the medium name with "TPC_" as a leading string
118 : //
119 2 : TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections
120 : //
121 1 : tpc->DefineSection(0,-289.6,77.,278.);
122 1 : tpc->DefineSection(1,-262.1,77.,278.);
123 : //
124 1 : tpc->DefineSection(2,-262.1,83.1,278.);
125 1 : tpc->DefineSection(3,-260.,83.1,278.);
126 : //
127 1 : tpc->DefineSection(4,-260.,70.,278.);
128 1 : tpc->DefineSection(5,-259.6,70.,278.);
129 : //
130 1 : tpc->DefineSection(6,-259.6,68.1,278.);
131 1 : tpc->DefineSection(7,-253.6,68.1,278.);
132 : //
133 1 : tpc->DefineSection(8,-253.6,67.88,278.);//hs
134 1 : tpc->DefineSection(9,-74.0,60.68,278.);// hs
135 : //
136 1 : tpc->DefineSection(10,-74.0,60.1,278.);
137 1 : tpc->DefineSection(11,-73.3,60.1,278.);
138 : //
139 1 : tpc->DefineSection(12,-73.3,56.9,278.);
140 1 : tpc->DefineSection(13,-68.5,56.9,278.);
141 : //
142 1 : tpc->DefineSection(14,-68.5,60.,278.);
143 1 : tpc->DefineSection(15,-64.7,60.,278.);
144 : //
145 1 : tpc->DefineSection(16,-64.7,56.9,278.);
146 1 : tpc->DefineSection(17,73.3,56.9,278.);
147 : //
148 1 : tpc->DefineSection(18,73.3,60.1,278.);
149 1 : tpc->DefineSection(19,74.0,60.1,278.);
150 : //
151 1 : tpc->DefineSection(20,74.0,60.68,278.);// hs
152 1 : tpc->DefineSection(21,253.6,65.38,278.);// hs
153 : //
154 1 : tpc->DefineSection(22,253.6,65.6,278.);
155 1 : tpc->DefineSection(23,259.6,65.6,278.);
156 : //
157 1 : tpc->DefineSection(24,259.6,70.0,278.);
158 1 : tpc->DefineSection(25,260.,70.0,278.);
159 : //
160 1 : tpc->DefineSection(26,260.,83.1,278.);
161 1 : tpc->DefineSection(27,262.1,83.1,278.);
162 : //
163 1 : tpc->DefineSection(28,262.1,77.,278);
164 1 : tpc->DefineSection(29,289.6,77.,278.);
165 : //
166 1 : TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
167 1 : TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
168 : //
169 : // drift volume - sensitive volume, extended beyond the
170 : // endcaps, because of the alignment
171 : //
172 1 : TGeoPcon *dvol = new TGeoPcon(0.,360.,6);
173 1 : dvol->DefineSection(0,-260.,74.5,264.4);
174 1 : dvol->DefineSection(1,-253.6,74.5,264.4);
175 : //
176 1 : dvol->DefineSection(2,-253.6,76.6774,258.);
177 1 : dvol->DefineSection(3,253.6,76.6774,258.);
178 : //
179 1 : dvol->DefineSection(4,253.6,74.5,264.4);
180 1 : dvol->DefineSection(5,260.,74.5,264.4);
181 : //
182 1 : TGeoMedium *m5 = gGeoManager->GetMedium("TPC_DriftGas2");
183 1 : TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
184 : //
185 1 : v1->AddNode(v9,1);
186 : //
187 : // outer insulator
188 : //
189 1 : TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator
190 : //
191 1 : tpco->DefineSection(0,-256.6,264.8,278.);
192 1 : tpco->DefineSection(1,-253.6,264.8,278.);
193 : //
194 1 : tpco->DefineSection(2,-253.6,258.,278.);
195 1 : tpco->DefineSection(3,250.6,258.,278.);
196 : //
197 1 : tpco->DefineSection(4,250.6,258.,275.5);
198 1 : tpco->DefineSection(5,253.6,258.,275.5);
199 : //
200 1 : TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
201 1 : TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
202 : //
203 : TGeoRotation *segrot;//segment rotations
204 : //
205 : // outer containment vessel
206 : //
207 1 : TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
208 : //
209 1 : tocv->DefineSection(0,-256.6,264.8,278.);
210 1 : tocv->DefineSection(1,-253.6,264.8,278.);
211 : //
212 1 : tocv->DefineSection(2,-253.6,274.8124,278.);
213 1 : tocv->DefineSection(3,247.6,274.8124,278.);
214 : //
215 1 : tocv->DefineSection(4,247.6,270.4,278.);
216 1 : tocv->DefineSection(5,250.6,270.4,278.);
217 : //
218 1 : TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al");
219 1 : TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3);
220 : //
221 1 : TGeoTubeSeg *to1 = new TGeoTubeSeg(274.8174,277.995,252.1,0.,59.9); //epoxy
222 1 : TGeoTubeSeg *to2 = new TGeoTubeSeg(274.8274,277.985,252.1,0.,59.9); //tedlar
223 1 : TGeoTubeSeg *to3 = new TGeoTubeSeg(274.8312,277.9812,252.1,0.,59.9);//prepreg2
224 1 : TGeoTubeSeg *to4 = new TGeoTubeSeg(274.9062,277.9062,252.1,0.,59.9);//nomex
225 1 : TGeoTubeSeg *tog5 = new TGeoTubeSeg(274.8174,277.995,252.1,59.9,60.);//epoxy
226 : //
227 1 : TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
228 1 : TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
229 1 : TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2");
230 1 : TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex");
231 : //
232 1 : TGeoMedium *smep = gGeoManager->GetMedium("TPC_Epoxy1");
233 : //
234 1 : TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1);
235 1 : TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
236 1 : TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
237 1 : TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
238 1 : TGeoVolume *togv5 = new TGeoVolume("TPC_OCVG5",tog5,sm1);
239 : //
240 1 : TGeoMedium *mhs = gGeoManager->GetMedium("TPC_Steel");
241 1 : TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
242 : //-------------------------------------------------------
243 : // Tpc Outer Field Cage
244 : // daughters - composite (sandwich)
245 : //-------------------------------------------------------
246 :
247 1 : TGeoPcon *tofc = new TGeoPcon(0.,360.,6);
248 : //
249 1 : tofc->DefineSection(0,-253.6,258.,269.6);
250 1 : tofc->DefineSection(1,-250.6,258.,269.6);
251 : //
252 1 : tofc->DefineSection(2,-250.6,258.,260.0676);
253 1 : tofc->DefineSection(3,250.6,258.,260.0676);
254 : //
255 1 : tofc->DefineSection(4,250.6,258.,275.5);
256 1 : tofc->DefineSection(5,253.6,258.,275.5);
257 : //
258 1 : TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3);
259 : //sandwich
260 1 : TGeoTubeSeg *tf1 = new TGeoTubeSeg(258.0,260.0676,252.1,0.,59.9); //tedlar
261 1 : TGeoTubeSeg *tf2 = new TGeoTubeSeg(258.0038,260.0638,252.1,0.,59.9); //prepreg3
262 1 : TGeoTubeSeg *tf3 = new TGeoTubeSeg(258.0338,260.0338,252.1,0.,59.9);//nomex
263 1 : TGeoTubeSeg *tfg4 = new TGeoTubeSeg(258.0,260.0676,252.1,59.9,60.); //epoxy glue
264 : //
265 1 : TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3");
266 : //
267 1 : TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2);
268 1 : TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5);
269 1 : TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4);
270 1 : TGeoVolume *tfg4v = new TGeoVolume("TPC_OFCG4",tfg4,smep);
271 : //
272 : // outer part - positioning
273 : //
274 1 : tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);//ocv
275 : //
276 1 : tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);//ofc
277 : //
278 1 : TGeoVolumeAssembly *t200 = new TGeoVolumeAssembly("TPC_OCVSEG");
279 1 : TGeoVolumeAssembly *t300 = new TGeoVolumeAssembly("TPC_OFCSEG");
280 : //
281 : // assembly OCV and OFC
282 : //
283 : // 1st - no rotation
284 1 : t200->AddNode(tov1,1); t200->AddNode(togv5,1);
285 1 : t300->AddNode(tf1v,1); t300->AddNode(tfg4v,1);
286 : // 2nd - rotation 60 deg
287 1 : segrot = new TGeoRotation();
288 1 : segrot->RotateZ(60.);
289 1 : t200->AddNode(tov1,2,segrot); t200->AddNode(togv5,2,segrot);
290 1 : t300->AddNode(tf1v,2,segrot); t300->AddNode(tfg4v,2,segrot);
291 : // 3rd rotation 120 deg
292 1 : segrot = new TGeoRotation();
293 1 : segrot->RotateZ(120.);
294 1 : t200->AddNode(tov1,3,segrot); t200->AddNode(togv5,3,segrot);
295 1 : t300->AddNode(tf1v,3,segrot); t300->AddNode(tfg4v,3,segrot);
296 : //4th rotation 180 deg
297 1 : segrot = new TGeoRotation();
298 1 : segrot->RotateZ(180.);
299 1 : t200->AddNode(tov1,4,segrot); t200->AddNode(togv5,4,segrot);
300 1 : t300->AddNode(tf1v,4,segrot); t300->AddNode(tfg4v,4,segrot);
301 : //5th rotation 240 deg
302 1 : segrot = new TGeoRotation();
303 1 : segrot->RotateZ(240.);
304 1 : t200->AddNode(tov1,5,segrot); t200->AddNode(togv5,5,segrot);
305 1 : t300->AddNode(tf1v,5,segrot); t300->AddNode(tfg4v,5,segrot);
306 : //6th rotation 300 deg
307 1 : segrot = new TGeoRotation();
308 1 : segrot->RotateZ(300.);
309 1 : t200->AddNode(tov1,6,segrot); t200->AddNode(togv5,6,segrot);
310 1 : t300->AddNode(tf1v,6,segrot); t300->AddNode(tfg4v,6,segrot);
311 : //
312 2 : v3->AddNode(t200,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(t300,1);
313 : //
314 1 : v2->AddNode(v3,1); v2->AddNode(v4,1);
315 : //
316 1 : v1->AddNode(v2,1);
317 : //--------------------------------------------------------------------
318 : // Tpc Inner INsulator (CO2)
319 : // the cones, the central drum and the inner f.c. sandwich with a piece
320 : // of the flane will be placed in the TPC
321 : //--------------------------------------------------------------------
322 1 : TGeoPcon *tpci = new TGeoPcon(0.,360.,4);
323 : //
324 1 : tpci->DefineSection(0,-253.6,68.4,76.6774);
325 1 : tpci->DefineSection(1,-74.0,61.2,76.6774);
326 : //
327 1 : tpci->DefineSection(2,74.0,61.2,76.6774);
328 : //
329 1 : tpci->DefineSection(3,253.6,65.9,76.6774);
330 : //
331 1 : TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2);
332 : //
333 : // now the inner field cage - only part of flanges (2 copies)
334 : //
335 1 : TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5);
336 1 : TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3);
337 : //
338 : //---------------------------------------------------------
339 : // Tpc Inner Containment vessel - Muon side
340 : //---------------------------------------------------------
341 1 : TGeoPcon *tcms = new TGeoPcon(0.,360.,10);
342 : //
343 1 : tcms->DefineSection(0,-259.1,68.1,74.2);
344 1 : tcms->DefineSection(1,-253.6,68.1,74.2);
345 : //
346 1 : tcms->DefineSection(2,-253.6,68.1,68.4);
347 1 : tcms->DefineSection(3,-74.0,60.9,61.2);
348 : //
349 1 : tcms->DefineSection(4,-74.0,60.1,61.2);
350 1 : tcms->DefineSection(5,-73.3,60.1,61.2);
351 : //
352 1 : tcms->DefineSection(6,-73.3,56.9,61.2);
353 1 : tcms->DefineSection(7,-73.0,56.9,61.2);
354 : //
355 1 : tcms->DefineSection(8,-73.0,56.9,58.8);
356 1 : tcms->DefineSection(9,-71.3,56.9,58.8);
357 : //
358 1 : TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3);
359 : //------------------------------------------------
360 : // Heat screen muon side
361 : //------------------------------------------------
362 :
363 1 : TGeoCone *thsm = new TGeoCone(89.8,67.88,68.1,60.68,60.9);
364 1 : TGeoCone *thsmw = new TGeoCone(89.8,67.94,68.04,60.74,60.84);
365 1 : TGeoVolume *hvsm = new TGeoVolume("TPC_HSM",thsm,mhs); //steel
366 1 : TGeoVolume *hvsmw = new TGeoVolume("TPC_HSMW",thsmw,m12); //water
367 : // assembly heat screen muon
368 1 : hvsm->AddNode(hvsmw,1);
369 : //-----------------------------------------------
370 : // inner containment vessel - shaft side
371 : //-----------------------------------------------
372 1 : TGeoPcon *tcss = new TGeoPcon(0.,360.,10);
373 : //
374 1 : tcss->DefineSection(0,71.3,56.9,58.8);
375 1 : tcss->DefineSection(1,73.0,56.9,58.8);
376 : //
377 1 : tcss->DefineSection(2,73.0,56.9,61.2);
378 1 : tcss->DefineSection(3,73.3,56.9,61.2);
379 : //
380 1 : tcss->DefineSection(4,73.3,60.1,61.2);
381 1 : tcss->DefineSection(5,74.0,60.1,61.2);
382 : //
383 1 : tcss->DefineSection(6,74.0,60.9,61.2);
384 1 : tcss->DefineSection(7,253.6,65.6,65.9);
385 : //
386 1 : tcss->DefineSection(8,253.6,65.6,74.2);
387 1 : tcss->DefineSection(9,258.1,65.6,74.2);
388 : //
389 1 : TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3);
390 : //-------------------------------------------------
391 : // Heat screen shaft side
392 : //--------------------------------------------------
393 1 : TGeoCone *thss = new TGeoCone(89.8,60.68,60.9,65.38,65.6);
394 1 : TGeoCone *thssw = new TGeoCone(89.8,60.74,60.84,65.44,65.54);
395 1 : TGeoVolume *hvss = new TGeoVolume("TPC_HSS",thss,mhs); //steel
396 1 : TGeoVolume *hvssw = new TGeoVolume("TPC_HSSW",thssw,m12); //water
397 : //assembly heat screen shaft
398 1 : hvss->AddNode(hvssw,1);
399 : //-----------------------------------------------
400 : // Inner field cage
401 : // define 4 parts and make an assembly
402 : //-----------------------------------------------
403 : // part1 - Al - 2 copies
404 1 : TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75);
405 1 : TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3);
406 : // sandwich - outermost parts - 2 copies
407 : //
408 : // segment outermost
409 : //
410 1 : TGeoTubeSeg *t2 = new TGeoTubeSeg(76.6774,78.845,74.175,350.,109.4); // tedlar 38 microns
411 1 : TGeoTubeSeg *t3 = new TGeoTubeSeg(76.6812,78.8412,74.175,350.,109.4); // prepreg2 500 microns
412 1 : TGeoTubeSeg *t4 = new TGeoTubeSeg(76.7312,78.7912,74.175,350.,109.4); // prepreg3 300 microns
413 1 : TGeoTubeSeg *t5 = new TGeoTubeSeg(76.7612,78.7612,74.175,350.,109.4); // nomex 2 cm
414 1 : TGeoTubeSeg *tepox1 = new TGeoTubeSeg(76.6774,78.845,74.175,109.4,110.);//epoxy
415 1 : TGeoTubeSeg *tpr1 = new TGeoTubeSeg(78.845,78.885,74.175,109.,111.);
416 :
417 : // volumes for the outer part
418 1 : TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2);
419 1 : TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3);
420 1 : TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5);
421 1 : TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4);
422 1 : TGeoVolume *tvep1 = new TGeoVolume("TPC_IFEPOX1",tepox1,smep);
423 1 : TGeoVolume *tvpr1 = new TGeoVolume("TPC_PRSTR1",tpr1,sm2);
424 : //
425 : // middle parts - 2 copies
426 : //
427 : // segment middle
428 : //
429 1 : TGeoTubeSeg *t6 = new TGeoTubeSeg(76.6774,78.795,5.,350.,109.4); // tedlar 38 microns
430 1 : TGeoTubeSeg *t7 = new TGeoTubeSeg(76.6812,78.7912,5.,350.,109.4); // prepreg2 250 microns
431 1 : TGeoTubeSeg *t8 = new TGeoTubeSeg(76.7062,78.7662,5.,350.,109.4); // prepreg3 300 microns
432 1 : TGeoTubeSeg *t9 = new TGeoTubeSeg(76.7362,78.7362,5.,350.,109.4); // nomex 2 cm
433 1 : TGeoTubeSeg *tepox2 = new TGeoTubeSeg(76.6774,78.795,5.,109.4,110.);//epoxy
434 1 : TGeoTubeSeg *tpr2 = new TGeoTubeSeg(78.795,78.835,5.,109.,111.);
435 : // volumes for the middle part
436 1 : TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2);
437 1 : TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3);
438 1 : TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5);
439 1 : TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4);
440 1 : TGeoVolume *tvep2 = new TGeoVolume("TPC_IFEPOX2",tepox2,smep);
441 1 : TGeoVolume *tvpr2 = new TGeoVolume("TPC_PRSTR2",tpr2,sm2);
442 : // central part - 1 copy
443 : //
444 : // segment central part
445 : //
446 1 : TGeoTubeSeg *t10 = new TGeoTubeSeg(76.6774,78.785,93.75,350.,109.4); // tedlar 38 microns
447 1 : TGeoTubeSeg *t11 = new TGeoTubeSeg(76.6812,78.7812,93.75,350.,109.4); // prepreg3 500 microns
448 1 : TGeoTubeSeg *t12 = new TGeoTubeSeg(76.7312,78.7312,93.75,350.,109.4); // nomex 2 cm
449 1 : TGeoTubeSeg *tepox3 = new TGeoTubeSeg(76.6774,78.785,93.75,109.4,110.);//epoxy
450 1 : TGeoTubeSeg *tpr3 = new TGeoTubeSeg(78.785,78.825,93.75,109.,111.);
451 : // volumes for the central part
452 1 : TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
453 1 : TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
454 1 : TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4);
455 1 : TGeoVolume *tvep3 = new TGeoVolume("TPC_IFEPOX3",tepox3,smep);
456 1 : TGeoVolume *tvpr3 = new TGeoVolume("TPC_PRSTR3",tpr3,sm2);
457 : //
458 : // creating a sandwich for the outer par,t tv2 is the mother
459 : //
460 1 : tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1);
461 : //
462 : // creating a sandwich for the middle part, tv6 is the mother
463 : //
464 1 : tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1);
465 : //
466 : // creating a sandwich for the central part, tv10 is the mother
467 : //
468 1 : tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
469 : //
470 1 : TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); // ifc itself - 3 segments
471 :
472 : //
473 : // first segment - no rotation
474 : //
475 : // central
476 1 : tv100->AddNode(tv10,1); //sandwich
477 1 : tv100->AddNode(tvep3,1);//epoxy
478 1 : tv100->AddNode(tvpr3,1);//prepreg strip
479 : // middle
480 2 : tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); //sandwich1
481 2 : tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); // sandwich2
482 2 : tv100->AddNode(tvep2,1,new TGeoTranslation(0.,0.,-98.75)); //epoxy
483 2 : tv100->AddNode(tvep2,2,new TGeoTranslation(0.,0.,98.75)); //epoxy
484 2 : tv100->AddNode(tvpr2,1,new TGeoTranslation(0.,0.,-98.75));//prepreg strip
485 2 : tv100->AddNode(tvpr2,2,new TGeoTranslation(0.,0.,98.75));
486 : // outer
487 2 : tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); //sandwich
488 2 : tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925));
489 2 : tv100->AddNode(tvep1,1,new TGeoTranslation(0.,0.,-177.925)); //epoxy
490 2 : tv100->AddNode(tvep1,2,new TGeoTranslation(0.,0.,177.925));
491 2 : tv100->AddNode(tvpr1,1,new TGeoTranslation(0.,0.,-177.925));//prepreg strip
492 2 : tv100->AddNode(tvpr1,2,new TGeoTranslation(0.,0.,-177.925));
493 : //
494 : // second segment - rotation 120 deg.
495 : //
496 1 : segrot = new TGeoRotation();
497 1 : segrot->RotateZ(120.);
498 : //
499 : // central
500 1 : tv100->AddNode(tv10,2,segrot); //sandwich
501 1 : tv100->AddNode(tvep3,2,segrot);//epoxy
502 1 : tv100->AddNode(tvpr3,2,segrot);//prepreg strip
503 : // middle
504 2 : tv100->AddNode(tv6,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1
505 2 : tv100->AddNode(tv6,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2
506 2 : tv100->AddNode(tvep2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy
507 2 : tv100->AddNode(tvep2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy
508 2 : tv100->AddNode(tvpr2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip
509 2 : tv100->AddNode(tvpr2,4,new TGeoCombiTrans(0.,0.,98.75,segrot));
510 : //outer
511 2 : tv100->AddNode(tv2,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich
512 2 : tv100->AddNode(tv2,4,new TGeoCombiTrans(0.,0.,177.925,segrot));
513 2 : tv100->AddNode(tvep1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy
514 2 : tv100->AddNode(tvep1,4,new TGeoCombiTrans(0.,0.,177.925,segrot));
515 2 : tv100->AddNode(tvpr1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip
516 2 : tv100->AddNode(tvpr1,4,new TGeoCombiTrans(0.,0.,177.925,segrot));
517 : //
518 : // third segment - rotation 240 deg.
519 : //
520 1 : segrot = new TGeoRotation();
521 1 : segrot->RotateZ(240.);
522 : //
523 : // central
524 1 : tv100->AddNode(tv10,3,segrot); //sandwich
525 1 : tv100->AddNode(tvep3,3,segrot);//epoxy
526 1 : tv100->AddNode(tvpr3,3,segrot);//prepreg strip
527 : // middle
528 2 : tv100->AddNode(tv6,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1
529 2 : tv100->AddNode(tv6,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2
530 2 : tv100->AddNode(tvep2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy
531 2 : tv100->AddNode(tvep2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy
532 2 : tv100->AddNode(tvpr2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip
533 2 : tv100->AddNode(tvpr2,6,new TGeoCombiTrans(0.,0.,98.75,segrot));
534 : //outer
535 2 : tv100->AddNode(tv2,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich
536 2 : tv100->AddNode(tv2,6,new TGeoCombiTrans(0.,0.,177.925,segrot));
537 2 : tv100->AddNode(tvep1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy
538 2 : tv100->AddNode(tvep1,6,new TGeoCombiTrans(0.,0.,177.925,segrot));
539 2 : tv100->AddNode(tvpr1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip
540 2 : tv100->AddNode(tvpr1,6,new TGeoCombiTrans(0.,0.,177.925,segrot));
541 : // Al parts - rings
542 2 : tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85));
543 2 : tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85));
544 : //
545 2 : v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1));
546 2 : v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1));
547 1 : v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1);
548 2 : v1->AddNode(hvsm,1,new TGeoTranslation(0.,0.,-163.8));
549 2 : v1->AddNode(hvss,1,new TGeoTranslation(0.,0.,163.8));
550 1 : v9->AddNode(tv100,1);
551 : //
552 : // central drum
553 : //
554 : // flange + sandwich
555 : //
556 1 : TGeoPcon *cfl = new TGeoPcon(0.,360.,6);
557 1 : cfl->DefineSection(0,-71.1,59.7,61.2);
558 1 : cfl->DefineSection(1,-68.6,59.7,61.2);
559 : //
560 1 : cfl->DefineSection(2,-68.6,60.6124,61.2);
561 1 : cfl->DefineSection(3,68.6,60.6124,61.2);
562 : //
563 1 : cfl->DefineSection(4,68.6,59.7,61.2);
564 1 : cfl->DefineSection(5,71.1,59.7,61.2);
565 : //
566 1 : TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3);
567 : // sandwich
568 1 : TGeoTubeSeg *cd1 = new TGeoTubeSeg(60.6224,61.19,71.1,0.2,119.2);
569 1 : TGeoTubeSeg *cd2 = new TGeoTubeSeg(60.6262,61.1862,71.1,0.2,119.2);
570 1 : TGeoTubeSeg *cd3 = new TGeoTubeSeg(60.6462,61.1662,71.1,0.2,119.2);
571 1 : TGeoTubeSeg *cd4 = new TGeoTubeSeg(60.6562,61.1562,71.1,0.2,119.2);
572 1 : TGeoTubeSeg *tepox4 = new TGeoTubeSeg(60.6224,61.19,71.1,359.8,0.8);
573 : //
574 1 : TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1");
575 1 : TGeoMedium *sm8 = gGeoManager->GetMedium("TPC_Epoxyfm");
576 1 : TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar
577 1 : TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1
578 1 : TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm8); //epoxy film
579 1 : TGeoVolume *cd4v = new TGeoVolume("TPC_CDR4",cd4,sm4); //nomex
580 1 : TGeoVolume *tvep4 = new TGeoVolume("TPC_IFEPOX4",tepox4,smep);
581 :
582 : //
583 : // seals for central drum 2 copies
584 : //
585 1 : TGeoTube *cs = new TGeoTube(56.9,61.2,0.1);
586 1 : TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar");
587 1 : TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7);
588 2 : v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2));
589 2 : v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2));
590 : //
591 : // seal collars
592 1 : TGeoPcon *se = new TGeoPcon(0.,360.,6);
593 1 : se->DefineSection(0,-72.8,59.7,61.2);
594 1 : se->DefineSection(1,-72.3,59.7,61.2);
595 : //
596 1 : se->DefineSection(2,-72.3,58.85,61.2);
597 1 : se->DefineSection(3,-71.6,58.85,61.2);
598 : //
599 1 : se->DefineSection(4,-71.6,59.7,61.2);
600 1 : se->DefineSection(5,-71.3,59.7,61.2);
601 : //
602 1 : TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3);
603 : //
604 1 : TGeoTube *si = new TGeoTube(56.9,58.8,1.);
605 1 : TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3);
606 : //
607 : // define reflection matrix
608 : //
609 1 : TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.);
610 : //
611 1 : cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cd3v->AddNode(cd4v,1); //sandwich
612 : // first segment
613 1 : cflv->AddNode(cd1v,1); cflv->AddNode(tvep4,1);
614 : // second segment
615 1 : segrot = new TGeoRotation();
616 1 : segrot->RotateZ(120.);
617 1 : cflv->AddNode(cd1v,2,segrot); cflv->AddNode(tvep4,2,segrot);
618 : // third segment
619 1 : segrot = new TGeoRotation();
620 1 : segrot->RotateZ(240.);
621 1 : cflv->AddNode(cd1v,3,segrot); cflv->AddNode(tvep4,3,segrot);
622 : //
623 2 : v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9));
624 2 : v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9));
625 1 : v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1);
626 : //
627 : // central membrane - 2 rings and a mylar membrane - assembly
628 : //
629 1 : TGeoTube *ih = new TGeoTube(81.05,84.05,0.3);
630 1 : TGeoTube *oh = new TGeoTube(250.,256.,0.5);
631 1 : TGeoTube *mem = new TGeoTube(84.05,250.,0.00115);
632 :
633 : //
634 1 : TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
635 : //
636 1 : TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3);
637 1 : TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3);
638 :
639 1 : TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7);
640 : //
641 1 : TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM");
642 1 : cm->AddNode(ihv,1);
643 1 : cm->AddNode(ohv,1);
644 1 : cm->AddNode(memv,1);
645 :
646 1 : v9->AddNode(cm,1);
647 : //
648 : // end caps - they are make as an assembly of single segments
649 : // containing both readout chambers
650 : //
651 1 : Double_t openingAngle = 10.*TMath::DegToRad();
652 : Double_t thick=1.5; // rib
653 1 : Double_t shift = thick/TMath::Sin(openingAngle);
654 : //
655 : Double_t lowEdge = 86.3; // hole in the wheel
656 : Double_t upEdge = 240.4; // hole in the wheel
657 : //
658 1 : new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
659 : //
660 1 : TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
661 : //
662 1 : hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift);
663 1 : hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift);
664 : //
665 1 : hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift);
666 1 : hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift);
667 : //
668 1 : Double_t ys = shift*TMath::Sin(openingAngle);
669 1 : Double_t xs = shift*TMath::Cos(openingAngle);
670 1 : TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
671 1 : tr->RegisterYourself();
672 1 : TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
673 1 : TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3);
674 1 : TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2);
675 1 : bar->DefineSection(0,-3.,131.5-shift,136.5-shift);
676 1 : bar->DefineSection(1,1.5,131.5-shift,136.5-shift);
677 1 : TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3);
678 1 : TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment
679 : //
680 1 : ch->AddNode(sv,1); ch->AddNode(barv,1,tr);
681 : //
682 : // readout chambers
683 : //
684 : // IROC first
685 : //
686 1 : TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15);
687 1 : TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3);
688 : // empty space
689 1 : TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65);
690 1 : TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1);
691 2 : ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.));
692 : //bars
693 : Double_t tga = (19.8328-12.3742)/39.3;
694 : Double_t xmin,xmax;
695 : xmin = 9.55*tga+12.3742;
696 : xmax = 9.95*tga+12.3742;
697 1 : TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2);
698 1 : TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3);
699 2 : empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9));
700 : xmin=19.4*tga+12.3742;
701 : xmax=19.9*tga+12.3742;
702 1 : TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25);
703 1 : TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3);
704 2 : empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.));
705 : xmin=29.35*tga+12.3742;
706 : xmax=29.75*tga+12.3742;
707 1 : TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2);
708 1 : TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3);
709 2 : empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9));
710 : //
711 : // holes for connectors
712 : //
713 1 : TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc
714 1 : TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1);
715 1 : TString fileName(gSystem->Getenv("ALICE_ROOT"));
716 1 : fileName += "/TPC/conn_iroc.dat";
717 1 : ifstream in;
718 2 : in.open(fileName.Data(), ios_base::in); // asci file
719 1 : TGeoRotation *rrr[86];
720 174 : for(Int_t i =0;i<86;i++){
721 : Double_t y = 3.99;
722 86 : Double_t x,z,ang;
723 258 : in>>x>>z>>ang;
724 86 : z-=26.5;
725 258 : rrr[i]= new TGeoRotation();
726 86 : rrr[i]->RotateY(ang);
727 258 : ibdv->AddNode(connv,i+1,new TGeoCombiTrans(x,y,z,rrr[i]));
728 86 : }
729 1 : in.close();
730 : // "cap"
731 2 : new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825);
732 : // "hole"
733 2 : new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15);
734 2 : TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725);
735 1 : tr1->RegisterYourself();
736 2 : TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1");
737 2 : TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3);
738 : //
739 : // pad plane and wire fixations
740 : //
741 2 : TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso
742 2 : TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4);
743 2 : TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.);
744 2 : TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4);
745 2 : TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.);
746 2 : TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4);
747 : //
748 2 : TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC");
749 : //
750 1 : iroc->AddNode(ibdv,1);
751 3 : iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725));
752 3 : iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725));
753 : tga =(23.3521-14.5974)/49.65;
754 : Double_t xx = 24.825*tga+14.5974-0.6;
755 3 : iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725));
756 3 : iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725));
757 : //
758 : // OROC
759 : //
760 2 : TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65);
761 2 : TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3);
762 2 : TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65);
763 2 : TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1);
764 3 : obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.));
765 : //horizontal bars
766 : tga=(38.5084-20.2938)/99.3;
767 : xmin=tga*10.2+20.2938;
768 : xmax=tga*10.6+20.2938;
769 2 : TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2);
770 2 : TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3);
771 : //
772 : xmin=22.55*tga+20.2938;
773 : xmax=24.15*tga+20.2938;
774 2 : TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8);
775 2 : TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3);
776 : //
777 : xmin=36.1*tga+20.2938;
778 : xmax=36.5*tga+20.2938;
779 2 : TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2);
780 2 : TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3);
781 : //
782 : xmin=49.0*tga+20.2938;
783 : xmax=50.6*tga+20.2938;
784 2 : TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8);
785 2 : TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3);
786 : //
787 : xmin=63.6*tga+20.2938;
788 : xmax=64.0*tga+20.2938;
789 2 : TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2);
790 2 : TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3);
791 : //
792 : xmin=75.5*tga+20.2938;
793 : xmax=77.15*tga+20.2938;
794 2 : TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8);
795 2 : TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3);
796 : //
797 : xmin=88.7*tga+20.2938;
798 : xmax=89.1*tga+20.2938;
799 2 : TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2);
800 2 : TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3);
801 : //
802 3 : oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25));
803 3 : oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3));
804 3 : oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35));
805 3 : oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15));
806 3 : oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15));
807 3 : oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7));
808 3 : oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25));
809 : // vertical bars
810 2 : TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1);
811 2 : TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975);
812 2 : TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775);
813 2 : TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25);
814 2 : TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5);
815 : //
816 2 : TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3);
817 2 : TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3);
818 2 : TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3);
819 2 : TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3);
820 2 : TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3);
821 : //
822 3 : oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55));
823 3 : oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55));
824 3 : oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075));
825 3 : oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525));
826 3 : oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125));
827 3 : oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275));
828 3 : oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9));
829 3 : oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45));
830 : //
831 : // holes for connectors
832 : //
833 2 : fileName = gSystem->Getenv("ALICE_ROOT");
834 1 : fileName += "/TPC/conn_oroc.dat";
835 2 : in.open(fileName.Data(), ios_base::in); // asci file
836 1 : TGeoRotation *rr[78];
837 158 : for(Int_t i =0;i<78;i++){
838 : Double_t y =3.89;
839 78 : Double_t x,z,ang;
840 : Double_t x1,z1,x2,z2;
841 234 : in>>x>>z>>ang;
842 156 : Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad());
843 156 : Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad());
844 : //
845 78 : x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z;
846 : //
847 234 : rr[i]= new TGeoRotation();
848 78 : rr[i]->RotateY(ang);
849 78 : z1-=54.95;
850 78 : z2-=54.95;
851 : //
852 234 : obdv->AddNode(connv,i+1,new TGeoCombiTrans(x1,y,z1,rr[i]));
853 234 : obdv->AddNode(connv,i+79,new TGeoCombiTrans(x2,y,z2,rr[i]));
854 78 : }
855 1 : in.close();
856 : // cap
857 2 : new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1);
858 2 : new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65);
859 2 : TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15);
860 1 : tr5->RegisterYourself();
861 2 : TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5");
862 2 : TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3);
863 : //
864 : // pad plane and wire fixations
865 : //
866 2 : TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1);
867 2 : TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4);
868 : //
869 : tga=(43.5239-23.3874)/114.2;
870 2 : TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.);
871 2 : TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.);
872 : xx = 57.1*tga+23.3874-0.7;
873 2 : TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4);
874 2 : TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4);
875 : //
876 2 : TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC");
877 : //
878 1 : oroc->AddNode(obdv,1);
879 3 : oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15));
880 3 : oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15));
881 3 : oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15));
882 3 : oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15));
883 : //
884 : // now iroc and oroc are placed into a sector...
885 : //
886 2 : TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side
887 2 : TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side
888 1 : TGeoRotation rot1("rot1",90.,90.,0.);
889 1 : TGeoRotation rot2("rot2");
890 1 : rot2.RotateY(10.);
891 2 : TGeoRotation *rot = new TGeoRotation("rot");
892 2 : *rot=rot1*rot2;
893 : //
894 : Double_t x0,y0;
895 1 : x0=110.2*TMath::Cos(openingAngle);
896 1 : y0=110.2*TMath::Sin(openingAngle);
897 2 : TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
898 2 : TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
899 1 : x0=188.45*TMath::Cos(openingAngle);
900 1 : y0=188.45*TMath::Sin(openingAngle);
901 2 : TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
902 2 : TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
903 : //
904 : //
905 : // A-side
906 : //
907 1 : secta->AddNode(ch,1);
908 1 : secta->AddNode(iroc,1,combi1a);
909 1 : secta->AddNode(oroc,1,combi2a);
910 : //
911 : // C-side
912 : //
913 1 : sectc->AddNode(ch,1);
914 1 : sectc->AddNode(iroc,1,combi1c);
915 1 : sectc->AddNode(oroc,1,combi2c);
916 : //
917 : // now I try to make wheels...
918 : //
919 2 : TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP");
920 2 : TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP");
921 : //
922 1 : TGeoRotation *rwh[18];
923 38 : for(Int_t i =0;i<18;i++){
924 18 : Double_t phi = (20.*i);
925 54 : rwh[i]=new TGeoRotation();
926 18 : rwh[i]->RotateZ(phi);
927 18 : wheela->AddNode(secta,i+1,rwh[i]);
928 18 : wheelc->AddNode(sectc,i+1,rwh[i]);
929 :
930 : }
931 : // wheels in the drift volume!
932 :
933 2 : TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
934 1 : v9->AddNode(wheela,1,combi3);
935 3 : v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
936 : //_____________________________________________________________
937 : // service support wheel
938 : //_____________________________________________________________
939 2 : TGeoPgon *sw = new TGeoPgon(0.,20.,1,2);
940 1 : sw->DefineSection(0,-4.,80.5,251.75);
941 1 : sw->DefineSection(1,4.,80.5,251.75);
942 2 : TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
943 : //
944 : thick=1.;
945 1 : shift = thick/TMath::Sin(openingAngle);
946 2 : TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
947 1 : sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
948 1 : sh->DefineSection(1,4.,81.5-shift,250.75-shift);
949 2 : TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
950 : //
951 1 : TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si");
952 2 : TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
953 1 : el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
954 1 : el->DefineSection(1,1.872,81.5-shift,250.75-shift);
955 2 : TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si
956 : //
957 1 : shv->AddNode(elv,1);
958 : //
959 : //
960 1 : ys = shift*TMath::Sin(openingAngle);
961 1 : xs = shift*TMath::Cos(openingAngle);
962 3 : swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
963 : // cover
964 2 : TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
965 1 : co->DefineSection(0,-0.5,77.,255.25);
966 1 : co->DefineSection(1,0.5,77.,255.25);
967 2 : TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
968 : // hole in a cover
969 2 : TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
970 1 : shift=4./TMath::Sin(openingAngle);
971 1 : coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
972 1 : coh->DefineSection(1,0.5,85.-shift,247.25-shift);
973 : //
974 2 : TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
975 : //
976 1 : ys = shift*TMath::Sin(openingAngle);
977 1 : xs = shift*TMath::Cos(openingAngle);
978 3 : cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
979 : //
980 : // Sector as an Assembly
981 : //
982 2 : TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC");
983 1 : swhs->AddNode(swv,1);
984 3 : swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5));
985 3 : swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5));
986 : //
987 : // SSW as an Assembly of sectors
988 : //
989 1 : TGeoRotation *rsw[18];
990 2 : TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL");
991 38 : for(Int_t i =0;i<18;i++){
992 18 : Double_t phi = (20.*i);
993 54 : rsw[i] = new TGeoRotation();
994 18 : rsw[i]->RotateZ(phi);
995 18 : swheel->AddNode(swhs,i+1,rsw[i]);
996 : }
997 3 : v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6));
998 3 : v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
999 :
1000 : // sensitive strips - strip "0" is always set
1001 : // conditional
1002 : Int_t totrows;
1003 3 : totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp();
1004 : Double_t *upar;
1005 : upar=NULL;
1006 1 : gGeoManager->Volume("TPC_Strip","PGON",m5->GetId(),upar);
1007 2 : upar=new Double_t [10];
1008 1 : upar[0]=0.;
1009 1 : upar[1]=360.;
1010 1 : upar[2]=18.;
1011 1 : upar[3]=2.;
1012 : //
1013 1 : upar[4]=-124.8;
1014 1 : upar[7]=124.8;
1015 :
1016 2 : Double_t rlow=fTPCParam->GetPadRowRadiiLow(0);
1017 :
1018 1 : upar[5]=rlow;
1019 1 : upar[6]=rlow+.01;
1020 1 : upar[8]=upar[5];
1021 1 : upar[9]=upar[6];
1022 : //
1023 1 : gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
1024 1 : gGeoManager->Node("TPC_Strip",totrows+1,
1025 : "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
1026 : //
1027 : // now, strips optionally
1028 : //
1029 1 : if(fSens){
1030 : //lower sectors
1031 0 : for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){
1032 0 : rlow=fTPCParam->GetPadRowRadiiLow(i-1);
1033 0 : upar[5]=rlow;
1034 0 : upar[6]=rlow+.01;
1035 0 : upar[8]=upar[5];
1036 0 : upar[9]=upar[6];
1037 0 : gGeoManager->Node("TPC_Strip",i,
1038 : "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
1039 0 : gGeoManager->Node("TPC_Strip",totrows+i,
1040 : "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
1041 : }
1042 : //upper sectors
1043 0 : for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){
1044 0 : rlow=fTPCParam->GetPadRowRadiiUp(i-1);
1045 0 : upar[5]=rlow;
1046 0 : upar[6]=rlow+.01;
1047 0 : upar[8]=upar[5];
1048 0 : upar[9]=upar[6];
1049 0 : gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(),
1050 : "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
1051 0 : gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(),
1052 : "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
1053 : }
1054 0 : }//strips
1055 : //----------------------------------------------------------
1056 : // TPC Support Rods - MAKROLON
1057 : //----------------------------------------------------------
1058 1 : TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
1059 1 : TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
1060 1 : TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
1061 1 : TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");;
1062 1 : TGeoMedium *m13 = gGeoManager->GetMedium("TPC_Brass");
1063 1 : TGeoMedium *m14 = gGeoManager->GetMedium("TPC_Alumina1");
1064 : //
1065 : // tpc rod is an assembly of 10 long parts and 2 short parts
1066 : // connected with alu rings and plagged on both sides.
1067 : //
1068 : //
1069 : // tpc rod long
1070 : //
1071 2 : TGeoPcon *rod = new TGeoPcon("rod",0.,360.,6);
1072 1 : rod->DefineSection(0,-10.43,1.92,2.08);
1073 1 : rod->DefineSection(1,-9.75,1.92,2.08);
1074 :
1075 1 : rod->DefineSection(2,-9.75,1.8,2.2);
1076 1 : rod->DefineSection(3,9.75,1.8,2.2);
1077 :
1078 1 : rod->DefineSection(4,9.75,1.92,2.08);
1079 1 : rod->DefineSection(5,10.43,1.92,2.08);
1080 : //
1081 2 : TGeoVolume *mrodl = new TGeoVolume("TPC_mrodl",rod,m6);
1082 : //
1083 : // tpc rod short
1084 : //
1085 2 : TGeoPcon *rod1 = new TGeoPcon("rod1",0.,360.,6);
1086 1 : rod1->DefineSection(0,-8.93,1.92,2.08);
1087 1 : rod1->DefineSection(1,-8.25,1.92,2.08);
1088 :
1089 1 : rod1->DefineSection(2,-8.25,1.8,2.2);
1090 1 : rod1->DefineSection(3,8.25,1.8,2.2);
1091 :
1092 1 : rod1->DefineSection(4,8.25,1.92,2.08);
1093 1 : rod1->DefineSection(5,8.93,1.92,2.08);
1094 : //
1095 2 : TGeoVolume *mrods = new TGeoVolume("TPC_mrods",rod1,m6);
1096 : //
1097 : // below is for the resistor rod
1098 : //
1099 : // hole for the brass connectors
1100 : //
1101 :
1102 2 : new TGeoTube("hhole",0.,0.3,0.3);
1103 : //
1104 : //transformations for holes - initialy they
1105 : // are placed at x=0 and negative y
1106 : //
1107 2 : TGeoRotation *rhole = new TGeoRotation();
1108 1 : rhole->RotateX(90.);
1109 1 : TGeoCombiTrans *transf[13];
1110 1 : Char_t name[30];
1111 28 : for(Int_t i=0;i<13;i++){
1112 13 : snprintf(name,30,"transf%d",i);
1113 39 : transf[i]= new TGeoCombiTrans(name,0.,-2.,-9.+i*1.5,rhole);
1114 13 : transf[i]->RegisterYourself();
1115 : }
1116 : // union expression for holes
1117 1 : TString operl("hhole:transf0");
1118 26 : for (Int_t i=1;i<13;i++){
1119 12 : snprintf(name,30,"+hhole:transf%d",i);
1120 12 : operl.Append(name);
1121 : }
1122 : //
1123 1 : TString opers("hhole:transf1");
1124 22 : for (Int_t i=2;i<12;i++){
1125 10 : snprintf(name,30,"+hhole:transf%d",i);
1126 10 : opers.Append(name);
1127 : }
1128 : //union of holes
1129 3 : new TGeoCompositeShape("hlv",operl.Data());
1130 3 : new TGeoCompositeShape("hsv",opers.Data());
1131 : //
1132 2 : TGeoCompositeShape *rodl = new TGeoCompositeShape("rodl","rod-hlv");
1133 2 : TGeoCompositeShape *rods = new TGeoCompositeShape("rods","rod1-hsv");
1134 : //rods - volumes - makrolon rods with holes
1135 2 : TGeoVolume *rodlv = new TGeoVolume("TPC_rodl",rodl,m6);
1136 2 : TGeoVolume *rodsv = new TGeoVolume("TPC_rods",rods,m6);
1137 : //brass connectors
1138 : //connectors
1139 2 : TGeoTube *bcon = new TGeoTube(0.,0.3,0.3);//connectors
1140 2 : TGeoVolume *bconv = new TGeoVolume("TPC_bcon",bcon,m13);
1141 : //
1142 : // hooks holding strips
1143 : //
1144 2 : new TGeoBBox("hk1",0.625,0.015,0.75);
1145 2 : new TGeoBBox("hk2",0.625,0.015,0.15);
1146 2 : TGeoTranslation *tr21 = new TGeoTranslation("tr21",0.,-0.03,-0.6);
1147 2 : TGeoTranslation *tr12 = new TGeoTranslation("tr12",0.,-0.03,0.6);
1148 1 : tr21->RegisterYourself();
1149 1 : tr12->RegisterYourself();
1150 :
1151 2 : TGeoCompositeShape *hook = new TGeoCompositeShape("hook","hk1+hk2:tr21+hk2:tr12");
1152 2 : TGeoVolume *hookv = new TGeoVolume("TPC_hook",hook,m13);
1153 : //
1154 : // assembly of the short rod with connectors and hooks
1155 : //
1156 : //
1157 : // short rod
1158 : //
1159 2 : TGeoVolumeAssembly *spart = new TGeoVolumeAssembly("TPC_spart");
1160 : //
1161 1 : spart->AddNode( rodsv,1);
1162 24 : for(Int_t i=1;i<12;i++){
1163 11 : spart->AddNode(bconv,i,transf[i]);
1164 : }
1165 24 : for(Int_t i =0;i<11;i++){
1166 33 : spart->AddNode(hookv,i+1,new TGeoTranslation(0.,-2.315,-7.5+i*1.5));
1167 : }
1168 : //
1169 : // long rod
1170 : //
1171 2 : TGeoVolumeAssembly *lpart = new TGeoVolumeAssembly("TPC_lpart");
1172 : //
1173 1 : lpart->AddNode( rodlv,1);
1174 28 : for(Int_t i=0;i<13;i++){
1175 13 : lpart->AddNode(bconv,i+12,transf[i]);
1176 : }
1177 28 : for(Int_t i =0;i<13;i++){
1178 39 : lpart->AddNode(hookv,i+12,new TGeoTranslation(0.,-2.315,-9.+i*1.5));
1179 : }
1180 : //
1181 : // alu ring
1182 : //
1183 2 : new TGeoTube("ring1",2.1075,2.235,0.53);
1184 2 : new TGeoTube("ring2",1.7925,1.89,0.43);
1185 2 : new TGeoTube("ring3",1.89,2.1075,0.05);
1186 2 : TGeoCompositeShape *ring = new TGeoCompositeShape("ring","ring1+ring2+ring3");
1187 2 : TGeoVolume *ringv = new TGeoVolume("TPC_ring",ring,m3);
1188 : //
1189 : // rod assembly
1190 : //
1191 2 : TGeoVolumeAssembly *tpcrrod = new TGeoVolumeAssembly("TPC_rrod");//rrod
1192 2 : TGeoVolumeAssembly *tpcmrod = new TGeoVolumeAssembly("TPC_mrod");//makrolon rod
1193 : //long pieces
1194 24 : for(Int_t i=0;i<11;i++){
1195 33 : tpcrrod->AddNode(ringv,i+1,new TGeoTranslation(0.,0.,-105.+i*21));
1196 33 : tpcmrod->AddNode(ringv,i+12,new TGeoTranslation(0.,0.,-105.+i*21));
1197 : }
1198 22 : for(Int_t i=0;i<10;i++){
1199 30 : tpcrrod->AddNode(lpart,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));//resistor rod
1200 30 : tpcmrod->AddNode(mrodl,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));//makrolon rod
1201 : }
1202 : //
1203 : // right plug - identical for all rods
1204 : //
1205 2 : TGeoPcon *tpcrp = new TGeoPcon(0.,360.,6);
1206 : //
1207 1 : tpcrp->DefineSection(0,123.05,1.89,2.1075);
1208 1 : tpcrp->DefineSection(1,123.59,1.89,2.1075);
1209 : //
1210 1 : tpcrp->DefineSection(2,123.59,1.8,2.2);
1211 1 : tpcrp->DefineSection(3,127.,1.8,2.2);
1212 : //
1213 1 : tpcrp->DefineSection(4,127.,0.,2.2);
1214 1 : tpcrp->DefineSection(5,127.5,0.,2.2);
1215 : //
1216 2 : TGeoVolume *tpcrpv = new TGeoVolume("TPC_RP",tpcrp,m6);
1217 : //
1218 : // adding short pieces and right plug
1219 : //
1220 3 : tpcrrod->AddNode(spart,1,new TGeoTranslation(0.,0.,-114.));
1221 3 : tpcrrod->AddNode(spart,2,new TGeoTranslation(0.,0.,114.));
1222 3 : tpcrrod->AddNode(ringv,23,new TGeoTranslation(0.,0.,-123.));
1223 3 : tpcrrod->AddNode(ringv,24,new TGeoTranslation(0.,0.,123.));
1224 1 : tpcrrod->AddNode(tpcrpv,1);
1225 : //
1226 3 : tpcmrod->AddNode(mrods,1,new TGeoTranslation(0.,0.,-114.));
1227 3 : tpcmrod->AddNode(mrods,2,new TGeoTranslation(0.,0.,114.));
1228 3 : tpcmrod->AddNode(ringv,25,new TGeoTranslation(0.,0.,-123.));
1229 3 : tpcmrod->AddNode(ringv,26,new TGeoTranslation(0.,0.,123.));
1230 1 : tpcmrod->AddNode(tpcrpv,2);
1231 : //
1232 : // from the ringv position to the CM is 3.0 cm!
1233 : //----------------------------------------
1234 : //
1235 : //
1236 : //HV rods - makrolon + 0.58cm (diameter) Cu ->check the length
1237 2 : TGeoTube *hvr = new TGeoTube(0.,1.465,123.);
1238 2 : TGeoTube *hvc = new TGeoTube(0.,0.29,123.);
1239 : //
1240 2 : TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
1241 2 : TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
1242 1 : hvrv->AddNode(hvcv,1);
1243 : //
1244 : //resistor rod
1245 : //
1246 2 : TGeoTube *cr = new TGeoTube(0.,0.45,123.);
1247 2 : TGeoTube *cw = new TGeoTube(0.,0.15,123.);
1248 2 : TGeoVolume *crv = new TGeoVolume("TPC_CR",cr,m10);
1249 2 : TGeoVolume *cwv = new TGeoVolume("TPC_W",cw,m12);
1250 : //
1251 : // ceramic rod with water
1252 : //
1253 1 : crv->AddNode(cwv,1);
1254 : //
1255 : //peek rod
1256 : //
1257 2 : TGeoTube *pr =new TGeoTube(0.2,0.35,123.);
1258 2 : TGeoVolume *prv = new TGeoVolume("TPC_PR",pr,m11);
1259 : //
1260 : // copper plates with connectors
1261 : //
1262 2 : new TGeoTube("tub",0.,1.7,0.025);
1263 : //
1264 : // half space - points on the plane and a normal vector
1265 : //
1266 1 : Double_t n[3],p[3];
1267 2 : Double_t slope = TMath::Tan(22.*TMath::DegToRad());
1268 : Double_t intp = 1.245;
1269 : //
1270 1 : Double_t b = slope*slope+1.;
1271 1 : p[0]=intp*slope/b;
1272 1 : p[1]=-intp/b;
1273 1 : p[2]=0.;
1274 : //
1275 1 : n[0]=-p[0];
1276 1 : n[1]=-p[1];
1277 1 : n[2]=0.;
1278 : Double_t norm;
1279 1 : norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
1280 1 : n[0] /= norm;
1281 1 : n[1] /=norm;
1282 : //
1283 2 : new TGeoHalfSpace("sp1",p,n);
1284 : //
1285 1 : slope = -slope;
1286 : //
1287 1 : p[0]=intp*slope/b;
1288 1 : p[1]=-intp/b;
1289 : //
1290 1 : n[0]=-p[0];
1291 1 : n[1]=-p[1];
1292 1 : norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
1293 1 : n[0] /= norm;
1294 1 : n[1] /=norm;
1295 : //
1296 2 : new TGeoHalfSpace("sp2",p,n);
1297 : // holes for rods
1298 : //holes
1299 2 : new TGeoTube("h1",0.,0.5,0.025);
1300 2 : new TGeoTube("h2",0.,0.35,0.025);
1301 : //translations:
1302 2 : TGeoTranslation *ttr11 = new TGeoTranslation("ttr11",-0.866,0.5,0.);
1303 2 : TGeoTranslation *ttr22 = new TGeoTranslation("ttr22",0.866,0.5,0.);
1304 1 : ttr11->RegisterYourself();
1305 1 : ttr22->RegisterYourself();
1306 : // elastic connector
1307 2 : new TGeoBBox("elcon",0.72,0.005,0.3);
1308 2 : TGeoRotation *crr1 = new TGeoRotation();
1309 1 : crr1->RotateZ(-22.);
1310 2 : TGeoCombiTrans *ctr1 = new TGeoCombiTrans("ctr1",-0.36011, -1.09951,-0.325,crr1);
1311 1 : ctr1->RegisterYourself();
1312 2 : TGeoCompositeShape *cs1 = new TGeoCompositeShape("cs1",
1313 : "(((((tub-h1:ttr11)-h1:ttr22)-sp1)-sp2)-h2)+elcon:ctr1");
1314 : //
1315 2 : TGeoVolume *csvv = new TGeoVolume("TPC_RR_CU",cs1,m7);
1316 : //
1317 : // resistor rod assembly 2 ceramic rods, peak rod, Cu plates
1318 : // and resistors
1319 : //
1320 2 : TGeoVolumeAssembly *rrod = new TGeoVolumeAssembly("TPC_RRIN");
1321 : // rods
1322 1 : rrod->AddNode(crv,1,ttr11);
1323 1 : rrod->AddNode(crv,2,ttr22);
1324 1 : rrod->AddNode(prv,1);
1325 : //Cu plates
1326 332 : for(Int_t i=0;i<165;i++){
1327 495 : rrod->AddNode(csvv,i+1,new TGeoTranslation(0.,0.,-122.675+i*1.5));
1328 : }
1329 : //resistors
1330 2 : TGeoTube *res = new TGeoTube(0.,0.15,0.5);
1331 2 : TGeoVolume *resv = new TGeoVolume("TPC_RES",res,m14);
1332 2 : TGeoVolumeAssembly *ress = new TGeoVolumeAssembly("TPC_RES_CH");
1333 3 : ress->AddNode(resv,1,new TGeoTranslation(0.2,0.,0.));
1334 3 : ress->AddNode(resv,2,new TGeoTranslation(-0.2,0.,0.));
1335 : //
1336 2 : TGeoRotation *crr2 = new TGeoRotation();
1337 1 : crr2->RotateY(30.);
1338 2 : TGeoRotation *crr3 = new TGeoRotation();
1339 1 : crr3->RotateY(-30.);
1340 : //
1341 166 : for(Int_t i=0;i<164;i+=2){
1342 246 : rrod->AddNode(ress,i+1, new TGeoCombiTrans(0.,1.2,-121.925+i*1.5,crr2));
1343 246 : rrod->AddNode(ress,i+2, new TGeoCombiTrans(0.,1.2,-121.925+(i+1)*1.5,crr3));
1344 : }
1345 :
1346 3 : tpcrrod->AddNode(rrod,1,new TGeoCombiTrans(0.,0.,0.5,crr1));
1347 : //
1348 : // rod left head with holders - inner
1349 : //
1350 : // first element - support for inner holder TPC_IHS
1351 1 : Double_t shift1[3] = {0.0,-0.175,0.0};
1352 :
1353 2 : new TGeoBBox("tpcihs1", 4.7, 0.66, 2.35);
1354 2 : new TGeoBBox("tpcihs2", 4.7, 0.485, 1.0, shift1);
1355 2 : new TGeoBBox("tpcihs3", 1.5, 0.485, 2.35, shift1);
1356 2 : new TGeoTube("tpcihs4", 0.0, 2.38, 0.1);
1357 : //
1358 1 : Double_t pointstrap[16];
1359 1 : pointstrap[0]= 0.0;
1360 1 : pointstrap[1]= 0.0;
1361 1 : pointstrap[2]= 0.0;
1362 1 : pointstrap[3]= 1.08;
1363 1 : pointstrap[4]= 2.3;
1364 1 : pointstrap[5]= 1.08;
1365 1 : pointstrap[6]= 3.38;
1366 1 : pointstrap[7]= 0.0;
1367 1 : pointstrap[8]= 0.0;
1368 1 : pointstrap[9]= 0.0;
1369 1 : pointstrap[10]= 0.0;
1370 1 : pointstrap[11]= 1.08;
1371 1 : pointstrap[12]= 2.3;
1372 1 : pointstrap[13]= 1.08;
1373 1 : pointstrap[14]= 3.38;
1374 1 : pointstrap[15]= 0.0;
1375 : //
1376 2 : TGeoArb8 *tpcihs5 = new TGeoArb8("tpcihs5", 0.6, pointstrap);
1377 : //
1378 : // half space - cutting "legs"
1379 : //
1380 1 : p[0]=0.0;
1381 1 : p[1]=0.105;
1382 1 : p[2]=0.0;
1383 : //
1384 1 : n[0] = 0.0;
1385 1 : n[1] = 1.0;
1386 1 : n[2] = 0.0;
1387 :
1388 2 : new TGeoHalfSpace("cutil1", p, n);
1389 :
1390 : //
1391 : // transformations
1392 : //
1393 2 : TGeoTranslation *trans2 = new TGeoTranslation("trans2", 0.0, 2.84, 2.25);
1394 1 : trans2->RegisterYourself();
1395 2 : TGeoTranslation*trans3= new TGeoTranslation("trans3", 0.0, 2.84, -2.25);
1396 1 : trans3->RegisterYourself();
1397 : //support - composite volume
1398 : //
1399 2 : TGeoCompositeShape *tpcihs6 = new TGeoCompositeShape("tpcihs6", "tpcihs1-(tpcihs2+tpcihs3)-(tpcihs4:trans2)-(tpcihs4:trans3)-cutil1");
1400 : //
1401 : // volumes - all makrolon
1402 : //
1403 2 : TGeoVolume *tpcihss = new TGeoVolume("TPC_IHSS", tpcihs6, m6); //support
1404 2 : TGeoVolume *tpcihst = new TGeoVolume("TPC_IHSTR",tpcihs5 , m6); //trapesoid
1405 : //now assembly
1406 2 : TGeoRotation *rot111 = new TGeoRotation();
1407 1 : rot111->RotateY(180.0);
1408 : //
1409 2 : TGeoVolumeAssembly *tpcihs = new TGeoVolumeAssembly("TPC_IHS"); // assembly of the support
1410 1 : tpcihs->AddNode(tpcihss, 1);
1411 3 : tpcihs->AddNode(tpcihst, 1, new TGeoTranslation(-4.7, 0.66, 0.0));
1412 3 : tpcihs->AddNode(tpcihst, 2, new TGeoCombiTrans(4.7, 0.66, 0.0, rot111));
1413 : //
1414 : // two rod holders (TPC_IRH) assembled with the support
1415 : //
1416 2 : new TGeoBBox("tpcirh1", 4.7, 1.33, 0.5);
1417 1 : shift1[0]=-3.65;
1418 1 : shift1[1]=0.53;
1419 1 : shift1[2]=0.;
1420 2 : new TGeoBBox("tpcirh2", 1.05, 0.8, 0.5, shift1);
1421 1 : shift1[0]=3.65;
1422 1 : shift1[1]=0.53;
1423 1 : shift1[2]=0.;
1424 2 : new TGeoBBox("tpcirh3", 1.05, 0.8, 0.5, shift1);
1425 1 : shift1[0]=0.0;
1426 1 : shift1[1]=1.08;
1427 1 : shift1[2]=0.;
1428 2 : new TGeoBBox("tpcirh4", 1.9, 0.25, 0.5, shift1);
1429 2 : new TGeoTube("tpcirh5", 0, 1.9, 5);
1430 : //
1431 2 : TGeoTranslation *trans4 = new TGeoTranslation("trans4", 0, 0.83, 0.0);
1432 1 : trans4->RegisterYourself();
1433 : //
1434 2 : TGeoCompositeShape *tpcirh6 = new TGeoCompositeShape("tpcirh6", "tpcirh1-tpcirh2-tpcirh3-(tpcirh5:trans4)-tpcirh4");
1435 : //
1436 : // now volume
1437 : //
1438 2 : TGeoVolume *tpcirh = new TGeoVolume("TPC_IRH", tpcirh6, m6);
1439 : //
1440 : // and all together...
1441 : //
1442 3 : TGeoVolume *tpciclamp = new TGeoVolumeAssembly("TPC_ICLP");
1443 1 : tpciclamp->AddNode(tpcihs, 1);
1444 3 : tpciclamp->AddNode(tpcirh, 1, new TGeoTranslation(0, 1.99, 1.1));
1445 3 : tpciclamp->AddNode(tpcirh, 2, new TGeoTranslation(0, 1.99, -1.1));
1446 : //
1447 : // and now left inner "head"
1448 : //
1449 2 : TGeoPcon *inplug = new TGeoPcon("inplug", 0.0, 360.0, 14);
1450 :
1451 1 : inplug->DefineSection(0, 0.3, 0.0, 2.2);
1452 1 : inplug->DefineSection(1, 0.6, 0.0, 2.2);
1453 :
1454 1 : inplug->DefineSection(2, 0.6, 0.0, 1.75);
1455 1 : inplug->DefineSection(3, 0.7, 0.0, 1.75);
1456 :
1457 1 : inplug->DefineSection(4, 0.7, 1.55, 1.75);
1458 1 : inplug->DefineSection(5, 1.6, 1.55, 1.75);
1459 :
1460 1 : inplug->DefineSection(6, 1.6, 1.55, 2.2);
1461 1 : inplug->DefineSection(7, 1.875, 1.55, 2.2);
1462 :
1463 1 : inplug->DefineSection(8, 1.875, 1.55, 2.2);
1464 1 : inplug->DefineSection(9, 2.47, 1.75, 2.2);
1465 :
1466 1 : inplug->DefineSection(10, 2.47, 1.75, 2.08);
1467 1 : inplug->DefineSection(11, 2.57, 1.8, 2.08);
1468 :
1469 1 : inplug->DefineSection(12, 2.57, 1.92, 2.08);
1470 1 : inplug->DefineSection(13, 2.95, 1.92, 2.08);
1471 : //
1472 1 : shift1[0]=0.0;
1473 1 : shift1[1]=-2.09;
1474 1 : shift1[2]=1.075;
1475 : //
1476 2 : new TGeoBBox("pcuti", 1.5, 0.11, 1.075, shift1);
1477 : //
1478 2 : TGeoCompositeShape *inplleft = new TGeoCompositeShape("inplleft", "inplug-pcuti");
1479 2 : TGeoVolume *tpcinlplug = new TGeoVolume("TPC_INPLL", inplleft, m6);
1480 : //
1481 : // holder + plugs
1482 : //
1483 3 : TGeoVolume *tpcihpl = new TGeoVolumeAssembly("TPC_IHPL"); //holder+2 plugs (reflected)
1484 1 : tpcihpl->AddNode(tpcinlplug, 1);
1485 1 : tpcihpl->AddNode(tpcinlplug, 2,ref);
1486 3 : tpcihpl->AddNode(tpciclamp,1,new TGeoTranslation(0.0, -2.765, 0.0));
1487 : //
1488 : // outer holders and clamps
1489 : //
1490 :
1491 : // outer membrane holder (between rods)
1492 1 : pointstrap[0]= 0.0;
1493 1 : pointstrap[1]= 0.0;
1494 1 : pointstrap[2]= 0.0;
1495 1 : pointstrap[3]= 2.8;
1496 1 : pointstrap[4]= 3.1;
1497 2 : pointstrap[5]= 2.8-3.1*TMath::Tan(15.*TMath::DegToRad());
1498 1 : pointstrap[6]= 3.1;
1499 1 : pointstrap[7]= 0.0;
1500 1 : pointstrap[8]= 0.0;
1501 1 : pointstrap[9]= 0.0;
1502 1 : pointstrap[10]= 0.0;
1503 1 : pointstrap[11]= 2.8;
1504 1 : pointstrap[12]= 3.1;
1505 2 : pointstrap[13]= 2.8-3.1*TMath::Tan(15.*TMath::DegToRad());
1506 1 : pointstrap[14]= 3.1;
1507 1 : pointstrap[15]= 0.0;
1508 : //
1509 2 : TGeoArb8 *tpcomh1 = new TGeoArb8("tpcomh1", 1.05, pointstrap);
1510 2 : TGeoBBox *tpcomh2 = new TGeoBBox("tpcomh2", 0.8, 1.4, 6);
1511 : //
1512 2 : TGeoVolume *tpcomh1v = new TGeoVolume("TPC_OMH1", tpcomh1, m7);
1513 2 : TGeoVolume *tpcomh2v = new TGeoVolume("TPC_OMH2", tpcomh2, m7);
1514 : //
1515 3 : TGeoVolume *tpcomh3v = new TGeoVolumeAssembly("TPC_OMH3"); // assembly1
1516 3 : tpcomh3v->AddNode(tpcomh1v, 1, new TGeoTranslation(0.8, -1.4, 4.95));
1517 3 : tpcomh3v->AddNode(tpcomh1v, 2, new TGeoTranslation(0.8, -1.4, -4.95));
1518 1 : tpcomh3v->AddNode(tpcomh2v, 1);
1519 : //
1520 1 : shift1[0] = 0.9;
1521 1 : shift1[1] = -1.85;
1522 1 : shift1[2] = 0.0;
1523 : //
1524 2 : new TGeoBBox("tpcomh3", 1.65, 1.15, 3.4);
1525 2 : TGeoBBox *tpcomh4 = new TGeoBBox("tpcomh4", 0.75, 0.7, 3.4, shift1);
1526 : //
1527 : // halfspace 1
1528 : //
1529 1 : p[0] = 0.0;
1530 1 : p[1] = -1.05;
1531 1 : p[2] = -3.4;
1532 : //
1533 1 : n[0] = 0.0;
1534 2 : n[1] = -1.0*TMath::Tan(30.*TMath::DegToRad());
1535 1 : n[2] = 1.0;
1536 : //
1537 2 : new TGeoHalfSpace("cutomh1", p, n);
1538 : //
1539 : // halfspace 2
1540 : //
1541 1 : p[0] = 0.0;
1542 1 : p[1] = -1.05;
1543 1 : p[2] = 3.4;
1544 : //
1545 1 : n[0] = 0.0;
1546 2 : n[1] = -1.0*TMath::Tan(30.*TMath::DegToRad());
1547 1 : n[2] = -1.0;
1548 : //
1549 2 : new TGeoHalfSpace("cutomh2", p, n);
1550 : //
1551 : // halfspace 3
1552 : //
1553 1 : p[0] = -1.65;
1554 1 : p[1] = 0.0;
1555 1 : p[2] = -0.9;
1556 : //
1557 2 : n[0] = 1.0*TMath::Tan(75.*TMath::DegToRad());
1558 1 : n[1] = 0.0;
1559 1 : n[2] = 1.0;
1560 : //
1561 2 : new TGeoHalfSpace("cutomh3", p, n);
1562 : //
1563 : // halfspace 4
1564 : //
1565 1 : p[0] = -1.65;
1566 1 : p[1] = 0.0;
1567 1 : p[2] = 0.9;
1568 : //
1569 2 : n[0] = 1.0*TMath::Tan(75*TMath::DegToRad());
1570 1 : n[1] = 0.0;
1571 1 : n[2] = -1.0;
1572 : //
1573 2 : new TGeoHalfSpace("cutomh4", p, n);
1574 : //
1575 : // halsfspace 5
1576 : //
1577 1 : p[0] = 1.65;
1578 1 : p[1] = -1.05;
1579 1 : p[2] = 0.0;
1580 : //
1581 1 : n[0] = -1.0;
1582 2 : n[1] = -1.0*TMath::Tan(20.*TMath::DegToRad());
1583 1 : n[2] = 0.0;
1584 : //
1585 2 : new TGeoHalfSpace("cutomh5", p, n);
1586 : //
1587 2 : TGeoCompositeShape *tpcomh5 = new TGeoCompositeShape("tpcomh5", "tpcomh3-cutomh1-cutomh2-cutomh3-cutomh4-cutomh5");
1588 : //
1589 2 : TGeoVolume *tpcomh5v = new TGeoVolume("TPC_OMH5",tpcomh5,m6);
1590 2 : TGeoVolume *tpcomh4v = new TGeoVolume("TPC_OMH6",tpcomh4,m6);
1591 : //
1592 2 : TGeoVolumeAssembly *tpcomh7v = new TGeoVolumeAssembly("TPC_OMH7");
1593 1 : tpcomh7v->AddNode(tpcomh5v,1);
1594 1 : tpcomh7v->AddNode(tpcomh4v,1);
1595 : //
1596 : // full membrane holder - tpcomh3v + tpcomh7v
1597 : //
1598 2 : TGeoVolumeAssembly *tpcomh = new TGeoVolumeAssembly("TPC_OMH");
1599 3 : tpcomh->AddNode(tpcomh3v,1,new TGeoTranslation(1.5,0.,0.));
1600 3 : tpcomh->AddNode(tpcomh3v,2,new TGeoCombiTrans(-1.5,0.,0.,rot111));
1601 3 : tpcomh->AddNode(tpcomh7v,1,new TGeoTranslation(0.65+1.5, 2.55, 0.0));
1602 3 : tpcomh->AddNode(tpcomh7v,2,new TGeoCombiTrans(-0.65-1.5, 2.55, 0.0,rot111));
1603 : //
1604 : // outer rod holder support
1605 : //
1606 2 : new TGeoBBox("tpcohs1", 3.8, 0.675, 2.35);
1607 : //
1608 1 : shift1[0] = 0.0;
1609 1 : shift1[1] = 0.175;
1610 1 : shift1[2] = 0.0;
1611 : //
1612 2 : new TGeoBBox("tpcohs2", 1.5, 0.5, 2.35, shift1);
1613 2 : new TGeoBBox("tpcohs3", 3.8, 0.5, 0.85, shift1);
1614 : //
1615 1 : shift1[0] = 0.0;
1616 1 : shift1[1] = -1.175;
1617 1 : shift1[2] = 0.0;
1618 : //
1619 2 : TGeoBBox *tpcohs4 = new TGeoBBox("tpsohs4", 3.1, 0.5, 0.7, shift1);
1620 : //
1621 2 : TGeoVolume *tpcohs4v = new TGeoVolume("TPC_OHS4", tpcohs4, m6);
1622 : //
1623 1 : p[0] = 0.0;
1624 1 : p[1] = -0.186;
1625 1 : p[2] = 0.0;
1626 : //
1627 1 : n[0] = 0.0;
1628 1 : n[1] = -1.0;
1629 1 : n[2] = 0.0;
1630 : //
1631 2 : new TGeoHalfSpace("cutohs1", p, n);
1632 : //
1633 2 : TGeoCompositeShape *tpcohs5 = new TGeoCompositeShape("tpcohs5", "tpcohs1-tpcohs2-tpcohs3-cutohs1");
1634 2 : TGeoVolume *tpcohs5v = new TGeoVolume("TPC_OHS5", tpcohs5, m6);
1635 : //
1636 2 : TGeoVolumeAssembly *tpcohs = new TGeoVolumeAssembly("TPC_OHS");
1637 1 : tpcohs->AddNode(tpcohs5v, 1);
1638 1 : tpcohs->AddNode(tpcohs4v, 1);
1639 : //
1640 : // outer rod holder itself
1641 : //
1642 1 : shift1[0] = 0.0;
1643 1 : shift1[1] = 1.325;
1644 1 : shift1[2] = 0.0;
1645 2 : new TGeoBBox("tpcorh1", 3.1, 1.825, 0.55); //from this box we cut pieces...
1646 : //
1647 1 : shift1[0] = -3.1;
1648 1 : shift1[1] = -0.5;
1649 1 : shift1[2] = 0.0;
1650 : //
1651 2 : new TGeoBBox("tpcorh2", 0.5, 2.75, 1.1, shift1);
1652 : //
1653 1 : shift1[0] = 3.1;
1654 1 : shift1[1] = -0.5;
1655 1 : shift1[2] = 0.0;
1656 : //
1657 2 : new TGeoBBox("tpcorh3", 0.5, 2.75, 1.1, shift1);
1658 : //
1659 1 : shift1[0] = 0.0;
1660 1 : shift1[1] = -0.5;
1661 1 : shift1[2] = -0.95;
1662 : //
1663 2 : new TGeoBBox("tpcorh4", 3.9, 2.75, 0.5, shift1);
1664 : //
1665 1 : shift1[0] = 0.0;
1666 1 : shift1[1] = -0.5;
1667 1 : shift1[2] = 0.0;
1668 : //
1669 2 : new TGeoBBox("tpcorh5", 1.95, 0.5, 1.1, shift1);
1670 : //
1671 1 : shift1[0] = 0.0;
1672 1 : shift1[1] = -0.5;
1673 1 : shift1[2] = 0.55;
1674 : //
1675 2 : new TGeoBBox("tpcorh6", 2.4, 0.5, 0.6, shift1);
1676 : //
1677 2 : new TGeoTube("tpcorh7", 0, 1.95, 0.85);
1678 2 : new TGeoTube("tpcorh8", 0, 2.4, 0.6);
1679 : //
1680 2 : TGeoTranslation *trans33 = new TGeoTranslation("trans33", 0.0, 0.0, 0.55);
1681 1 : trans33->RegisterYourself();
1682 : //
1683 2 : TGeoCompositeShape *tpcorh9 = new TGeoCompositeShape("tpcorh9", "tpcorh1-tpcorh2-tpcorh3-tpcorh4-tpcorh5-tpcorh6-(tpcorh8:trans33)-tpcorh7");
1684 : //
1685 2 : TGeoVolume *tpcorh9v = new TGeoVolume("TPC_ORH",tpcorh9,m6); //outer rod holder
1686 : //
1687 : // now 2 holders together
1688 : //
1689 2 : TGeoVolumeAssembly *tpcorh = new TGeoVolumeAssembly("TPC_ORH2");
1690 : //
1691 3 : tpcorh->AddNode(tpcorh9v,1,new TGeoTranslation(0.0, 0.0, 1.25));
1692 3 : tpcorh->AddNode(tpcorh9v,2,new TGeoCombiTrans(0.0, 0.0, -1.25,rot111));
1693 : //
1694 : // outer rod plug left
1695 : //
1696 2 : TGeoPcon *outplug = new TGeoPcon("outplug", 0.0, 360.0, 14);
1697 :
1698 1 : outplug->DefineSection(0, 0.5, 0.0, 2.2);
1699 1 : outplug->DefineSection(1, 0.7, 0.0, 2.2);
1700 :
1701 1 : outplug->DefineSection(2, 0.7, 1.55, 2.2);
1702 1 : outplug->DefineSection(3, 0.8, 1.55, 2.2);
1703 :
1704 1 : outplug->DefineSection(4, 0.8, 1.55, 1.75);
1705 1 : outplug->DefineSection(5, 1.2, 1.55, 1.75);
1706 :
1707 1 : outplug->DefineSection(6, 1.2, 1.55, 2.2);
1708 1 : outplug->DefineSection(7, 1.875, 1.55, 2.2);
1709 :
1710 1 : outplug->DefineSection(8, 1.875, 1.55, 2.2);
1711 1 : outplug->DefineSection(9, 2.47, 1.75, 2.2);
1712 :
1713 1 : outplug->DefineSection(10, 2.47, 1.75, 2.08);
1714 1 : outplug->DefineSection(11, 2.57, 1.8, 2.08);
1715 :
1716 1 : outplug->DefineSection(12, 2.57, 1.92, 2.08);
1717 1 : outplug->DefineSection(13, 2.95, 1.92, 2.08);
1718 : //
1719 1 : shift1[0] = 0.0;
1720 1 : shift1[1] = 2.09;
1721 1 : shift1[2] = 1.01;
1722 :
1723 2 : new TGeoBBox("cutout", 2.5, 0.11, 1.01, shift1);
1724 : //
1725 :
1726 2 : TGeoCompositeShape *outplleft = new TGeoCompositeShape("outplleft", "outplug-cutout");
1727 2 : TGeoVolume *outplleftv = new TGeoVolume("TPC_OPLL", outplleft, m6);
1728 : //
1729 : // support + holder + plug
1730 : //
1731 :
1732 :
1733 2 : TGeoVolumeAssembly *tpcohpl = new TGeoVolumeAssembly("TPC_OHPL");
1734 : //
1735 1 : tpcohpl->AddNode(outplleftv,1); //plug
1736 1 : tpcohpl->AddNode(outplleftv,2,ref); //plug reflected
1737 1 : tpcohpl->AddNode(tpcorh,1); //rod holder
1738 3 : tpcohpl->AddNode(tpcohs,1,new TGeoTranslation(0.0, 3.925, 0)); // support
1739 : //
1740 :
1741 : //
1742 : // main membrane holder
1743 : //
1744 1 : pointstrap[0]= 0.0;
1745 1 : pointstrap[1]= 0.0;
1746 1 : pointstrap[2]= 0.0;
1747 1 : pointstrap[3]= 2.8;
1748 1 : pointstrap[4]= 3.1;
1749 1 : pointstrap[5]= 1.96;
1750 1 : pointstrap[6]= 3.1;
1751 1 : pointstrap[7]= 0.0;
1752 1 : pointstrap[8]= 0.0;
1753 1 : pointstrap[9]= 0.0;
1754 1 : pointstrap[10]= 0.0;
1755 1 : pointstrap[11]= 2.8;
1756 1 : pointstrap[12]= 3.1;
1757 1 : pointstrap[13]= 1.96;
1758 1 : pointstrap[14]= 3.1;
1759 1 : pointstrap[15]= 0.0;
1760 : //
1761 2 : TGeoArb8 *tpcmmh1 = new TGeoArb8("tpcmmh1", 1.75, pointstrap);
1762 2 : TGeoBBox *tpcmmh2 = new TGeoBBox("tpcmmh2", 0.8, 1.4, 12.5);
1763 : //
1764 2 : TGeoVolume *tpcmmh1v = new TGeoVolume("TPC_MMH1", tpcmmh1, m6);
1765 2 : TGeoVolume *tpcmmh2v = new TGeoVolume("TPC_MMH2", tpcmmh2, m6);
1766 : //
1767 2 : TGeoVolumeAssembly *tpcmmhs = new TGeoVolumeAssembly("TPC_MMHS");
1768 3 : tpcmmhs->AddNode(tpcmmh1v,1,new TGeoTranslation(0.8, -1.4, 10.75));
1769 3 : tpcmmhs->AddNode(tpcmmh1v,2,new TGeoTranslation(0.8, -1.4, -10.75));
1770 1 : tpcmmhs->AddNode(tpcmmh2v,1);
1771 : //
1772 : // main membrahe holder clamp
1773 : //
1774 1 : shift1[0] = -0.75;
1775 1 : shift1[1] = -1.15;
1776 1 : shift1[2] = 0.0;
1777 : //
1778 2 : new TGeoBBox("tpcmmhc1", 1.65, 1.85, 8.9);
1779 2 : new TGeoBBox("tpcmmhc2", 0.9, 0.7, 8.9, shift1);
1780 : //
1781 : // half spaces - cuts
1782 : //
1783 1 : p[0] = -1.65;
1784 1 : p[1] = 0.0;
1785 1 : p[2] = -0.9;
1786 : //
1787 1 : n[0] = 8.0;
1788 1 : n[1] = 0.0;
1789 2 : n[2] = 8.0*TMath::Tan(13.*TMath::DegToRad());
1790 : //
1791 2 : new TGeoHalfSpace("cutmmh1", p, n);
1792 : //
1793 1 : p[0] = -1.65;
1794 1 : p[1] = 0.0;
1795 1 : p[2] = 0.9;
1796 : //
1797 1 : n[0] = 8.0;
1798 1 : n[1] = 0.0;
1799 2 : n[2] = -8.0*TMath::Tan(13.*TMath::DegToRad());
1800 : //
1801 2 : new TGeoHalfSpace("cutmmh2", p, n);
1802 : //
1803 1 : p[0] = 0.0;
1804 1 : p[1] = 1.85;
1805 1 : p[2] = -2.8;
1806 : //
1807 1 : n[0] = 0.0;
1808 1 : n[1] = -6.1;
1809 2 : n[2] = 6.1*TMath::Tan(20.*TMath::DegToRad());
1810 : //
1811 2 : new TGeoHalfSpace("cutmmh3", p, n);
1812 : //
1813 1 : p[0] = 0.0;
1814 1 : p[1] = 1.85;
1815 1 : p[2] = 2.8;
1816 : //
1817 1 : n[0] = 0.0;
1818 1 : n[1] = -6.1;
1819 2 : n[2] = -6.1*TMath::Tan(20*TMath::DegToRad());
1820 : //
1821 2 : new TGeoHalfSpace("cutmmh4", p, n);
1822 : //
1823 1 : p[0] = 0.75;
1824 1 : p[1] = 0.0;
1825 1 : p[2] = -8.9;
1826 : //
1827 2 : n[0] = 2.4*TMath::Tan(30*TMath::DegToRad());
1828 1 : n[1] = 0.0;
1829 1 : n[2] = 2.4;
1830 : //
1831 2 : new TGeoHalfSpace("cutmmh5", p, n);
1832 : //
1833 1 : p[0] = 0.75;
1834 1 : p[1] = 0.0;
1835 1 : p[2] = 8.9;
1836 : //
1837 2 : n[0] = 2.4*TMath::Tan(30*TMath::DegToRad());
1838 1 : n[1] = 0.0;
1839 1 : n[2] = -2.4;
1840 : //
1841 2 : new TGeoHalfSpace("cutmmh6", p, n);
1842 :
1843 2 : TGeoCompositeShape *tpcmmhc = new TGeoCompositeShape("TPC_MMHC", "tpcmmhc1-tpcmmhc2-cutmmh1-cutmmh2-cutmmh3-cutmmh4-cutmmh5-cutmmh6");
1844 :
1845 2 : TGeoVolume *tpcmmhcv = new TGeoVolume("TPC_MMHC",tpcmmhc,m6);
1846 : //
1847 3 : TGeoVolume *tpcmmh = new TGeoVolumeAssembly("TPC_MMH");
1848 : //
1849 3 : tpcmmh->AddNode(tpcmmhcv,1,new TGeoTranslation(0.65+1.5, 1.85, 0.0));
1850 3 : tpcmmh->AddNode(tpcmmhcv,2,new TGeoCombiTrans(-0.65-1.5, 1.85, 0.0,rot111));
1851 3 : tpcmmh->AddNode(tpcmmhs,1,new TGeoTranslation(1.5, 0.0, 0.0));
1852 3 : tpcmmh->AddNode(tpcmmhs,2,new TGeoCombiTrans(-1.5, 0.0, 0.0,rot111));
1853 : //
1854 :
1855 : //
1856 :
1857 : //--------------------------------------------
1858 : //
1859 : // guard ring resistor chain
1860 : //
1861 :
1862 2 : TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc
1863 : //
1864 2 : TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m14);
1865 :
1866 : //
1867 : Double_t xrc,yrc;
1868 : //
1869 2 : xrc=79.3*TMath::Cos(350.*TMath::DegToRad());
1870 2 : yrc=79.3*TMath::Sin(350.*TMath::DegToRad());
1871 : //
1872 3 : v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9));
1873 3 : v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9));
1874 : //
1875 2 : xrc=79.3*TMath::Cos(190.*TMath::DegToRad());
1876 2 : yrc=79.3*TMath::Sin(190.*TMath::DegToRad());
1877 : //
1878 3 : v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9));
1879 3 : v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9));
1880 : //------------------------------------------------------------------
1881 1 : TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.);
1882 1 : TGeoRotation rotrod("rotrod");
1883 : //
1884 : TGeoRotation *rotpos[2];
1885 : //
1886 : TGeoRotation *rotrod1[2];
1887 : //
1888 : // clamps holding rods
1889 : //
1890 2 : TGeoBBox *clampi1 = new TGeoBBox("clampi1",0.2,3.1,0.8);
1891 2 : TGeoVolume *clampi1v = new TGeoVolume("TPC_clampi1v",clampi1,m6);
1892 : //
1893 1 : pointstrap[0]=0.49;
1894 1 : pointstrap[1]=0.375;
1895 : //
1896 1 : pointstrap[2]=0.49;
1897 1 : pointstrap[3]=-0.375;
1898 : //
1899 1 : pointstrap[4]=-0.49;
1900 1 : pointstrap[5]=-0.375;
1901 : //
1902 1 : pointstrap[6]=-0.49;
1903 1 : pointstrap[7]=1.225;
1904 : //
1905 1 : pointstrap[8]=0.49;
1906 1 : pointstrap[9]=0.375;
1907 : //
1908 1 : pointstrap[10]=0.49;
1909 1 : pointstrap[11]=-0.375;
1910 : //
1911 1 : pointstrap[12]=-0.49;
1912 1 : pointstrap[13]=-0.375;
1913 : //
1914 1 : pointstrap[14]=-0.49;
1915 1 : pointstrap[15]=1.225;
1916 : //
1917 2 : TGeoArb8 *clitrap = new TGeoArb8("clitrap",0.25,pointstrap);
1918 2 : TGeoVolume *clitrapv = new TGeoVolume("TPC_clitrapv",clitrap,m6);
1919 : //
1920 2 : TGeoRotation *clamprot = new TGeoRotation();
1921 1 : clamprot->RotateX(180.);
1922 : //
1923 2 : new TGeoBBox("clibox",1.125,3.1,.1);
1924 2 : new TGeoTube("clitub",0.,2.2,0.1);
1925 : //
1926 : // copmisite shape for the clamp holder
1927 : //
1928 2 : TGeoTranslation *clitr1 = new TGeoTranslation("clitr1",1.125,0.,0.);
1929 1 : clitr1->RegisterYourself();
1930 2 : TGeoCompositeShape *clihold = new TGeoCompositeShape("clihold","clibox-clitub:clitr1");
1931 2 : TGeoVolume *cliholdv = new TGeoVolume("TPC_cliholdv",clihold,m6);
1932 : //
1933 : // now assembly the whole inner clamp
1934 : //
1935 3 : TGeoVolume *iclamp = new TGeoVolumeAssembly("TPC_iclamp");
1936 : //
1937 1 : iclamp->AddNode(clampi1v,1); //main box
1938 3 : iclamp->AddNode(clitrapv,1,new TGeoTranslation(0.69,-2.725,0.35)); //trapezoids
1939 3 : iclamp->AddNode(clitrapv,2,new TGeoTranslation(0.69,-2.725,-0.35));
1940 3 : iclamp->AddNode(clitrapv,3,new TGeoCombiTrans(0.69,2.725,0.35,clamprot));
1941 3 : iclamp->AddNode(clitrapv,4,new TGeoCombiTrans(0.69,2.725,-0.35,clamprot));
1942 3 : iclamp->AddNode(cliholdv,1,new TGeoTranslation(1.325,0.,0.)); //holder
1943 : //
1944 : // outer clamps
1945 : //
1946 2 : TGeoBBox *clampo1 = new TGeoBBox("clampo1",0.25,3.1,1.);
1947 2 : TGeoBBox *clampo2 = new TGeoBBox("clampo2",0.4,0.85,1.);
1948 : //
1949 2 : TGeoVolume *clampo1v = new TGeoVolume("TPC_clampo1v",clampo1,m6);
1950 2 : TGeoVolume *clampo2v = new TGeoVolume("TPC_clampo2v",clampo2,m6);
1951 : //
1952 2 : TGeoVolumeAssembly *oclamp = new TGeoVolumeAssembly("TPC_oclamp");
1953 : //
1954 1 : oclamp->AddNode(clampo1v,1);
1955 : //
1956 3 : oclamp->AddNode(clampo2v,1,new TGeoTranslation(0.65,-2.25,0));
1957 3 : oclamp->AddNode(clampo2v,2,new TGeoTranslation(0.65,2.25,0));
1958 :
1959 : //
1960 1 : pointstrap[0]=0.375;
1961 1 : pointstrap[1]=0.75;
1962 1 : pointstrap[2]=0.375;
1963 1 : pointstrap[3]=-0.35;
1964 1 : pointstrap[5]=-0.375;
1965 1 : pointstrap[4]=-0.35;
1966 1 : pointstrap[6]=-0.375;
1967 1 : pointstrap[7]=0.35;
1968 : //
1969 1 : pointstrap[8]=0.375;
1970 1 : pointstrap[9]=0.75;
1971 1 : pointstrap[10]=0.375;
1972 1 : pointstrap[11]=-0.35;
1973 1 : pointstrap[12]=-0.375;
1974 1 : pointstrap[13]=-0.35;
1975 1 : pointstrap[14]=-0.375;
1976 1 : pointstrap[15]=0.35;
1977 : //
1978 2 : TGeoArb8 *clotrap = new TGeoArb8("clotrap",0.25,pointstrap);
1979 2 : TGeoVolume *clotrapv = new TGeoVolume("TPC_clotrapv",clotrap,m6);
1980 : //
1981 3 : oclamp->AddNode(clotrapv,1,new TGeoTranslation(-0.625,-2.75,0.35));
1982 3 : oclamp->AddNode(clotrapv,2,new TGeoTranslation(-0.625,-2.75,-0.35));
1983 3 : oclamp->AddNode(clotrapv,3,new TGeoCombiTrans(-0.625,2.75,0.35,clamprot));
1984 3 : oclamp->AddNode(clotrapv,4,new TGeoCombiTrans(-0.625,2.75,-0.35,clamprot));
1985 : //
1986 2 : TGeoBBox *clampo3 = new TGeoBBox("clampo3",1.6,0.45,.1);
1987 2 : TGeoVolume *clampo3v = new TGeoVolume("TPC_clampo3v",clampo3,m6);
1988 : //
1989 3 : oclamp->AddNode(clampo3v,1,new TGeoTranslation(-1.85,2.625,0.));
1990 3 : oclamp->AddNode(clampo3v,2,new TGeoTranslation(-1.85,-2.625,0));
1991 : //
1992 2 : TGeoTubeSeg *clampo4 = new TGeoTubeSeg("clampo4",2.2,3.1,0.1,90.,270.);
1993 2 : TGeoVolume *clampo4v = new TGeoVolume("TPC_clampo4v",clampo4,m6);
1994 : //
1995 3 : oclamp->AddNode(clampo4v,1,new TGeoTranslation(-3.45,0.,0.));
1996 :
1997 :
1998 :
1999 : //v9 - drift gas
2000 :
2001 1 : TGeoRotation rot102("rot102");
2002 1 : rot102.RotateY(-90.);
2003 :
2004 38 : for(Int_t i=0;i<18;i++){
2005 : Double_t angle,x,y;
2006 : Double_t z,r;
2007 36 : angle=TMath::DegToRad()*20.*(Double_t)i;
2008 : //inner rods
2009 : r=81.5;
2010 18 : x=r * TMath::Cos(angle);
2011 18 : y=r * TMath::Sin(angle);
2012 : z = 126.;
2013 36 : TGeoRotation *rot12 = new TGeoRotation();
2014 18 : rot12->RotateZ(-90.0+i*20.);
2015 54 : v9->AddNode(tpcihpl,i+1,new TGeoCombiTrans(x, y, 0., rot12));
2016 : //
2017 18 : if(i==11){//resistor rod inner
2018 1 : rotrod.RotateZ(-90.+i*20.);
2019 2 : rotrod1[0]= new TGeoRotation();
2020 2 : rotpos[0]= new TGeoRotation();
2021 : //
2022 1 : rotrod1[0]->RotateZ(90.+i*20.);
2023 2 : *rotpos[0] = refl*rotrod; //rotation+reflection
2024 3 : v9->AddNode(tpcrrod,1,new TGeoCombiTrans(x,y, z, rotrod1[0])); //A
2025 3 : v9->AddNode(tpcrrod,2,new TGeoCombiTrans(x,y,-z, rotpos[0])); //C
2026 : }
2027 : else {
2028 51 : v9->AddNode(tpcmrod,i+1,new TGeoTranslation(x,y,z));//shaft
2029 51 : v9->AddNode(tpcmrod,i+19,new TGeoCombiTrans(x,y,-z,ref));//muon
2030 : }
2031 : //
2032 : // inner clamps positioning
2033 : //
2034 : r=79.05;
2035 18 : x=r * TMath::Cos(angle);
2036 18 : y=r * TMath::Sin(angle);
2037 36 : rot12= new TGeoRotation();
2038 18 : rot12->RotateZ(i*20.);
2039 : //
2040 : //A-side
2041 54 : v9->AddNode(iclamp,7*i+1,new TGeoCombiTrans(x,y,5.25,rot12));
2042 54 : v9->AddNode(iclamp,7*i+2,new TGeoCombiTrans(x,y,38.25,rot12));
2043 54 : v9->AddNode(iclamp,7*i+3,new TGeoCombiTrans(x,y,80.25,rot12));
2044 54 : v9->AddNode(iclamp,7*i+4,new TGeoCombiTrans(x,y,122.25,rot12));
2045 54 : v9->AddNode(iclamp,7*i+5,new TGeoCombiTrans(x,y,164.25,rot12));
2046 54 : v9->AddNode(iclamp,7*i+6,new TGeoCombiTrans(x,y,206.25,rot12));
2047 54 : v9->AddNode(iclamp,7*i+7,new TGeoCombiTrans(x,y,246.75,rot12));
2048 : //C-side
2049 54 : v9->AddNode(iclamp,7*i+127,new TGeoCombiTrans(x,y,-5.25,rot12));
2050 54 : v9->AddNode(iclamp,7*i+128,new TGeoCombiTrans(x,y,-38.25,rot12));
2051 54 : v9->AddNode(iclamp,7*i+129,new TGeoCombiTrans(x,y,-80.25,rot12));
2052 54 : v9->AddNode(iclamp,7*i+130,new TGeoCombiTrans(x,y,-122.25,rot12));
2053 54 : v9->AddNode(iclamp,7*i+131,new TGeoCombiTrans(x,y,-164.25,rot12));
2054 54 : v9->AddNode(iclamp,7*i+132,new TGeoCombiTrans(x,y,-206.25,rot12));
2055 54 : v9->AddNode(iclamp,7*i+133,new TGeoCombiTrans(x,y,-246.75,rot12));
2056 : //
2057 : //--------------------------
2058 : // outer rods
2059 : r=254.25;
2060 18 : x=r * TMath::Cos(angle);
2061 18 : y=r * TMath::Sin(angle);
2062 : z=126.;
2063 : //
2064 : // outer rod holder + outer left plug
2065 : //
2066 :
2067 36 : TGeoRotation *rot33 = new TGeoRotation();
2068 18 : rot33->RotateZ(-90+i*20.);
2069 : //
2070 54 : v9->AddNode(tpcohpl,i+1,new TGeoCombiTrans(x, y, 0., rot33));
2071 : //
2072 36 : Double_t xxx = 256.297*TMath::Cos((i*20.+10.)*TMath::DegToRad());
2073 36 : Double_t yyy = 256.297*TMath::Sin((i*20.+10.)*TMath::DegToRad());
2074 : //
2075 18 : TGeoRotation rot101("rot101");
2076 18 : rot101.RotateZ(90.+i*20.+10.);
2077 36 : TGeoRotation *rot103 = new TGeoRotation("rot103");
2078 36 : *rot103 = rot101*rot102;
2079 : //
2080 36 : TGeoCombiTrans *trh100 = new TGeoCombiTrans(xxx,yyy,0.,rot103);
2081 : //
2082 36 : if(i==2) {
2083 : //main membrane holder
2084 19 : v9->AddNode(tpcmmh,1,trh100);
2085 : }
2086 : else{
2087 : // "normal" membrane holder
2088 17 : v9->AddNode(tpcomh,i+1,trh100);
2089 : }
2090 :
2091 : //
2092 18 : if(i==3){//resistor rod outer
2093 1 : rotrod.RotateZ(90.+i*20.);
2094 2 : rotrod1[1]= new TGeoRotation();
2095 2 : rotpos[1]= new TGeoRotation();
2096 1 : rotrod1[1]->RotateZ(90.+i*20.);
2097 2 : *rotpos[1] = refl*rotrod;//rotation+reflection
2098 3 : v9->AddNode(tpcrrod,3,new TGeoCombiTrans(x,y, z, rotrod1[1])); //A
2099 3 : v9->AddNode(tpcrrod,4,new TGeoCombiTrans(x,y, -z, rotpos[1])); //C
2100 : }
2101 : else {
2102 51 : v9->AddNode(tpcmrod,i+37,new TGeoTranslation(x,y,z));//shaft
2103 51 : v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon
2104 : }
2105 18 : if(i==15){
2106 3 : v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z+0.7)); //hv->A-side only
2107 : }
2108 : //
2109 : // outer clamps
2110 : //
2111 : r=256.9;
2112 18 : x=r * TMath::Cos(angle);
2113 18 : y=r * TMath::Sin(angle);
2114 36 : rot12= new TGeoRotation();
2115 18 : rot12->RotateZ(i*20.);
2116 : //
2117 : //A-side
2118 54 : v9->AddNode(oclamp,7*i+1,new TGeoCombiTrans(x,y,5.25,rot12));
2119 54 : v9->AddNode(oclamp,7*i+2,new TGeoCombiTrans(x,y,38.25,rot12));
2120 54 : v9->AddNode(oclamp,7*i+3,new TGeoCombiTrans(x,y,80.25,rot12));
2121 54 : v9->AddNode(oclamp,7*i+4,new TGeoCombiTrans(x,y,122.25,rot12));
2122 54 : v9->AddNode(oclamp,7*i+5,new TGeoCombiTrans(x,y,164.25,rot12));
2123 54 : v9->AddNode(oclamp,7*i+6,new TGeoCombiTrans(x,y,206.25,rot12));
2124 54 : v9->AddNode(oclamp,7*i+7,new TGeoCombiTrans(x,y,246.75,rot12));
2125 : //C-side
2126 54 : v9->AddNode(oclamp,7*i+127,new TGeoCombiTrans(x,y,-5.25,rot12));
2127 54 : v9->AddNode(oclamp,7*i+128,new TGeoCombiTrans(x,y,-38.25,rot12));
2128 54 : v9->AddNode(oclamp,7*i+129,new TGeoCombiTrans(x,y,-80.25,rot12));
2129 54 : v9->AddNode(oclamp,7*i+130,new TGeoCombiTrans(x,y,-122.25,rot12));
2130 54 : v9->AddNode(oclamp,7*i+131,new TGeoCombiTrans(x,y,-164.25,rot12));
2131 54 : v9->AddNode(oclamp,7*i+132,new TGeoCombiTrans(x,y,-206.25,rot12));
2132 54 : v9->AddNode(oclamp,7*i+133,new TGeoCombiTrans(x,y,-246.75,rot12));
2133 :
2134 18 : } //end of rods positioning
2135 :
2136 1 : TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
2137 1 : alice->AddNode(v1,1);
2138 :
2139 1 : } // end of function
2140 :
2141 : //_____________________________________________________________________________
2142 : void AliTPCv2::AddAlignableVolumes() const
2143 : {
2144 : //
2145 : // Create entries for alignable volumes associating the symbolic volume
2146 : // name with the corresponding volume path. Needs to be syncronized with
2147 : // eventual changes in the geometry.
2148 : //
2149 2 : SetInnerChambersAlignable();
2150 1 : SetOuterChambersAlignable();
2151 1 : }
2152 :
2153 : //_____________________________________________________________________________
2154 : void AliTPCv2::SetInnerChambersAlignable() const
2155 : {
2156 : //
2157 : AliGeomManager::ELayerID idTPC1 = AliGeomManager::kTPC1;
2158 : Int_t modUID, modnum = 0;
2159 2 : TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
2160 1 : TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
2161 1 : TString vpappend = "/TPC_IROC_1";
2162 1 : TString snstr1="TPC/EndcapA/Sector";
2163 1 : TString snstr2="TPC/EndcapC/Sector";
2164 1 : TString snappend="/InnerChamber";
2165 2 : TString volpath, symname;
2166 :
2167 38 : for(Int_t cnt=1; cnt<=18; cnt++){
2168 36 : modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++);
2169 18 : volpath = vpstr1;
2170 18 : volpath += cnt;
2171 18 : volpath += vpappend;
2172 18 : symname = snstr1;
2173 18 : symname += cnt;
2174 18 : symname += snappend;
2175 72 : if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
2176 0 : AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
2177 18 : TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
2178 18 : TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
2179 18 : TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1);
2180 18 : alignableEntry->SetMatrix(matTtoL);
2181 : }
2182 :
2183 38 : for(Int_t cnt=1; cnt<=18; cnt++){
2184 36 : modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++);
2185 18 : volpath = vpstr2;
2186 18 : volpath += cnt;
2187 18 : volpath += vpappend;
2188 18 : symname = snstr2;
2189 18 : symname += cnt;
2190 18 : symname += snappend;
2191 72 : if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
2192 0 : AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
2193 18 : TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
2194 18 : TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
2195 18 : TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1);
2196 18 : alignableEntry->SetMatrix(matTtoL);
2197 : }
2198 1 : }
2199 :
2200 : //_____________________________________________________________________________
2201 : void AliTPCv2::SetOuterChambersAlignable() const
2202 : {
2203 : //
2204 : AliGeomManager::ELayerID idTPC2 = AliGeomManager::kTPC2;
2205 : Int_t modUID, modnum = 0;
2206 2 : TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
2207 1 : TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
2208 1 : TString vpappend = "/TPC_OROC_1";
2209 1 : TString snstr1="TPC/EndcapA/Sector";
2210 1 : TString snstr2="TPC/EndcapC/Sector";
2211 1 : TString snappend="/OuterChamber";
2212 2 : TString volpath, symname;
2213 :
2214 38 : for(Int_t cnt=1; cnt<=18; cnt++){
2215 36 : modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++);
2216 18 : volpath = vpstr1;
2217 18 : volpath += cnt;
2218 18 : volpath += vpappend;
2219 18 : symname = snstr1;
2220 18 : symname += cnt;
2221 18 : symname += snappend;
2222 72 : if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
2223 0 : AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
2224 18 : TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
2225 18 : TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
2226 18 : TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1);
2227 18 : alignableEntry->SetMatrix(matTtoL);
2228 : }
2229 :
2230 38 : for(Int_t cnt=1; cnt<=18; cnt++){
2231 36 : modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++);
2232 18 : volpath = vpstr2;
2233 18 : volpath += cnt;
2234 18 : volpath += vpappend;
2235 18 : symname = snstr2;
2236 18 : symname += cnt;
2237 18 : symname += snappend;
2238 72 : if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
2239 0 : AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
2240 18 : TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
2241 18 : TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
2242 18 : TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1);
2243 18 : alignableEntry->SetMatrix(matTtoL);
2244 : }
2245 1 : }
2246 :
2247 :
2248 : //_____________________________________________________________________________
2249 : void AliTPCv2::CreateMaterials()
2250 : {
2251 : //
2252 : // Define materials for version 2 of the Time Projection Chamber
2253 : //
2254 :
2255 2 : AliTPC::CreateMaterials();
2256 1 : }
2257 :
2258 : //_____________________________________________________________________________
2259 : void AliTPCv2::Init()
2260 : {
2261 : //
2262 : // Initialises version 2 of the TPC after that it has been built
2263 : //
2264 :
2265 2 : Int_t *idtmed = fIdtmed->GetArray();
2266 :
2267 1 : AliTPC::Init();
2268 :
2269 :
2270 1 : fIdSens=TVirtualMC::GetMC()->VolId("TPC_Strip"); // one strip is always selected...
2271 :
2272 1 : fIDrift=TVirtualMC::GetMC()->VolId("TPC_Drift");
2273 1 : fSecOld=-100; // fake number
2274 :
2275 1 : TVirtualMC::GetMC()->SetMaxNStep(-120000); // max. number of steps increased
2276 :
2277 1 : if (fPrimaryIonisation) {
2278 : // for FLUKA
2279 0 : TVirtualMC::GetMC()->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential
2280 :
2281 0 : TVirtualMC::GetMC()->Gstpar(idtmed[2],"PRIMIO_N", 14.35);
2282 0 : TVirtualMC::GetMC()->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss
2283 0 : TVirtualMC::GetMC()->Gstpar(idtmed[2],"STRA",4);
2284 0 : }
2285 : // specific energy loss for geant3 is now defined in galice.cuts
2286 :
2287 :
2288 3 : AliDebug(1,"*** TPC version 2 initialized ***");
2289 3 : AliDebug(1,Form("Maximum number of steps = %d",TVirtualMC::GetMC()->GetMaxNStep()));
2290 :
2291 : //
2292 :
2293 1 : }
2294 :
2295 : //_____________________________________________________________________________
2296 : void AliTPCv2::StepManager()
2297 : {
2298 : //
2299 : // Called for every step in the Time Projection Chamber
2300 : //
2301 :
2302 : //
2303 : // parameters used for the energy loss calculations
2304 : //
2305 : //const Float_t kprim = 14.35; // number of primary collisions per 1 cm
2306 : //const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2
2307 : //const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation
2308 : const Float_t kScalewIonG4 = 0.85; // scale factor to tune kwIon for Geant4
2309 : const Float_t kFanoFactorG4 = 0.7; // parameter for smearing the number of ionizations (nel) using Geant4
2310 : const Int_t kMaxDistRef =15; // maximal difference between 2 stored references
2311 1729272 : Float_t prim = fTPCParam->GetNprim();
2312 864636 : Float_t poti = fTPCParam->GetFpot();
2313 864636 : Float_t wIon = fTPCParam->GetWmean();
2314 :
2315 : const Float_t kbig = 1.e10;
2316 :
2317 864636 : Int_t id,copy;
2318 864636 : Float_t hits[5];
2319 864636 : Int_t vol[2];
2320 864636 : TLorentzVector p;
2321 :
2322 864636 : vol[1]=0; // preset row number to 0
2323 : //
2324 2593908 : if (!fPrimaryIonisation) TVirtualMC::GetMC()->SetMaxStep(kbig);
2325 :
2326 2594911 : if(!TVirtualMC::GetMC()->IsTrackAlive()) return; // particle has disappeared
2327 :
2328 2590899 : Float_t charge = TVirtualMC::GetMC()->TrackCharge();
2329 :
2330 889931 : if(TMath::Abs(charge)<=0.) return; // take only charged particles
2331 :
2332 : // check the sensitive volume
2333 :
2334 1674670 : id = TVirtualMC::GetMC()->CurrentVolID(copy); // vol ID and copy number (starts from 1!)
2335 863493 : if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume
2336 :
2337 824399 : if ( fPrimaryIonisation && id == fIDrift ) {
2338 0 : Double_t rnd = TVirtualMC::GetMC()->GetRandom()->Rndm();
2339 0 : TVirtualMC::GetMC()->SetMaxStep(0.2+(2.*rnd-1.)*0.05); // 2 mm +- rndm*0.5mm step
2340 0 : }
2341 :
2342 : //if ( fPrimaryIonisation && id == fIDrift && TVirtualMC::GetMC()->IsTrackEntering()) {
2343 : // TVirtualMC::GetMC()->SetMaxStep(0.2); // 2 mm
2344 : //}
2345 :
2346 1648798 : TVirtualMC::GetMC()->TrackPosition(p);
2347 4121995 : Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
2348 : //
2349 :
2350 : //
2351 1648798 : Double_t angle = TMath::ACos(p[0]/r);
2352 3297596 : angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle;
2353 : //
2354 : // angular segment, it is not a real sector number...
2355 : //
2356 2473197 : Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/
2357 1648798 : fTPCParam->GetInnerAngle());
2358 : // rotate to segment "0"
2359 824399 : Float_t cos,sin;
2360 824399 : fTPCParam->AdjustCosSin(sector,cos,sin);
2361 2473197 : Float_t x1=p[0]*cos + p[1]*sin;
2362 : // check if within sector's limits
2363 2009805 : if((x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp())
2364 1579824 : ||(x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp())){
2365 : // calculate real sector number...
2366 740611 : if (x1>fTPCParam->GetOuterRadiusLow()){
2367 931890 : sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/
2368 931890 : fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector();
2369 790034 : if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1);
2370 : }
2371 : else
2372 1087183 : if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1);
2373 : //
2374 : // here I have a sector number
2375 : //
2376 :
2377 740611 : vol[0]=sector;
2378 :
2379 : static Double_t lastReferenceR=0;
2380 740611 : if (TMath::Abs(lastReferenceR-r)>kMaxDistRef){
2381 1796 : AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC);
2382 898 : lastReferenceR = r;
2383 898 : }
2384 :
2385 : // check if change of sector
2386 740611 : if(sector != fSecOld){
2387 354 : fSecOld=sector;
2388 : // add track reference
2389 708 : AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC);
2390 : }
2391 : // track is in the sensitive strip
2392 740611 : if(id == fIdSens){
2393 : // track is entering the strip
2394 858 : if (TVirtualMC::GetMC()->IsTrackEntering()){
2395 363 : Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp();
2396 121 : vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows;
2397 : // row numbers are autonomous for lower and upper sectors
2398 121 : if(vol[0] > fTPCParam->GetNInnerSector()) {
2399 0 : vol[1] -= fTPCParam->GetNRowLow();
2400 0 : }
2401 : //
2402 242 : if(vol[0]<fTPCParam->GetNInnerSector()&&vol[1] == 0){
2403 :
2404 : // lower sector, row 0, because Jouri wants to have this
2405 :
2406 242 : TVirtualMC::GetMC()->TrackMomentum(p);
2407 242 : hits[0]=p[0];
2408 242 : hits[1]=p[1];
2409 242 : hits[2]=p[2];
2410 121 : hits[3]=0.; // this hit has no energy loss
2411 : // Get also the track time for pileup simulation
2412 363 : hits[4]=TVirtualMC::GetMC()->TrackTime();
2413 :
2414 242 : AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
2415 : }
2416 : //
2417 :
2418 242 : TVirtualMC::GetMC()->TrackPosition(p);
2419 242 : hits[0]=p[0];
2420 242 : hits[1]=p[1];
2421 242 : hits[2]=p[2];
2422 121 : hits[3]=0.; // this hit has no energy loss
2423 : // Get also the track time for pileup simulation
2424 363 : hits[4]=TVirtualMC::GetMC()->TrackTime();
2425 :
2426 242 : AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
2427 :
2428 : }
2429 165 : else return;
2430 121 : }
2431 : //-----------------------------------------------------------------
2432 : // charged particle is in the sensitive drift volume
2433 : //-----------------------------------------------------------------
2434 2221338 : if(TVirtualMC::GetMC()->TrackStep() > 0) {
2435 : Int_t nel=0;
2436 739852 : if (!fPrimaryIonisation) {
2437 2219556 : nel = (Int_t)(((TVirtualMC::GetMC()->Edep())-poti)/wIon) + 1;
2438 739852 : }
2439 : else {
2440 :
2441 : /*
2442 : static Double_t deForNextStep = 0.;
2443 : // Geant4 (the meaning of Edep as in Geant3) - wrong
2444 : //nel = (Int_t)(((TVirtualMC::GetMC()->Edep())-poti)/wIon) + 1;
2445 :
2446 : // Geant4 (the meaning of Edep as in Geant3) - NEW
2447 : Double_t eAvailable = TVirtualMC::GetMC()->Edep() + deForNextStep;
2448 : nel = (Int_t)(eAvailable/wIon);
2449 : deForNextStep = eAvailable - nel*wIon;
2450 : */
2451 :
2452 : //new Geant4-approach
2453 0 : Double_t meanIon = TVirtualMC::GetMC()->Edep()/(wIon*kScalewIonG4);
2454 0 : nel = (Int_t) ( kFanoFactorG4*AliMathBase::Gamma(meanIon/kFanoFactorG4)); // smear nel using gamma distr w mean = meanIon and variance = meanIon/kFanoFactorG4
2455 : }
2456 739852 : nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV
2457 : //
2458 1479704 : TVirtualMC::GetMC()->TrackPosition(p);
2459 1479704 : hits[0]=p[0];
2460 1479704 : hits[1]=p[1];
2461 1479704 : hits[2]=p[2];
2462 739852 : hits[3]=(Float_t)nel;
2463 :
2464 : // Add this hit
2465 :
2466 : // if (fHitType&&2){
2467 739852 : if(fHitType){
2468 1479704 : TVirtualMC::GetMC()->TrackMomentum(p);
2469 3699260 : Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
2470 739852 : Float_t precision = (momentum>0.1) ? 0.002 :0.01;
2471 739852 : fTrackHits->SetHitPrecision(precision);
2472 739852 : }
2473 :
2474 : // Get also the track time for pileup simulation
2475 2219556 : hits[4]=TVirtualMC::GetMC()->TrackTime();
2476 :
2477 1479704 : AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
2478 739852 : if (fDebugStreamer){
2479 : // You can dump here what you need
2480 : // function CreateDebugStremer() to be called in the Config.C macro
2481 : // if you want to enable it
2482 : // By default debug streaemer is OFF
2483 0 : Float_t edep = TVirtualMC::GetMC()->Edep();
2484 0 : Float_t tstep = TVirtualMC::GetMC()->TrackStep();
2485 0 : Int_t pid=TVirtualMC::GetMC()->TrackPid();
2486 0 : (*fDebugStreamer)<<"hit"<<
2487 0 : "x="<<hits[0]<< // hit position
2488 0 : "y="<<hits[1]<<
2489 0 : "z="<<hits[2]<<
2490 0 : "nel="<<hits[3]<< // number of electorns
2491 0 : "tof="<<hits[4]<< // hit TOF
2492 0 : "edep="<<edep<< // energy deposit
2493 0 : "pid="<<pid<< // pid
2494 0 : "step="<<tstep<<
2495 0 : "p.="<<&p<<
2496 : "\n";
2497 0 : }
2498 :
2499 739852 : } // step>0
2500 : } //within sector's limits
2501 : // Stemax calculation for the next step
2502 :
2503 : Float_t pp;
2504 824234 : TLorentzVector mom;
2505 : // below is valid only for Geant3 (fPromaryIonisation not set)
2506 824234 : if(!fPrimaryIonisation){
2507 1648468 : TVirtualMC::GetMC()->TrackMomentum(mom);
2508 1648468 : Float_t ptot=mom.Rho();
2509 2472702 : Float_t betaGamma = ptot/TVirtualMC::GetMC()->TrackMass();
2510 :
2511 : //Int_t pid=TVirtualMC::GetMC()->TrackPid();
2512 : // if((pid==kElectron || pid==kPositron) && ptot > 0.002)
2513 : // {
2514 : // pp = prim*1.58; // electrons above 20 MeV/c are on the plateau!
2515 : // }
2516 : // else
2517 : // {
2518 :
2519 824234 : betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
2520 824234 : TVectorD *bbpar = fTPCParam->GetBetheBlochParametersMC(); //get parametrization from OCDB
2521 5769638 : pp=prim*AliMathBase::BetheBlochAleph(betaGamma,(*bbpar)(0),(*bbpar)(1),(*bbpar)(2),(*bbpar)(3),(*bbpar)(4));
2522 : // }
2523 :
2524 2472702 : Double_t rnd = TVirtualMC::GetMC()->GetRandom()->Rndm();
2525 :
2526 1648468 : TVirtualMC::GetMC()->SetMaxStep(-TMath::Log(rnd)/pp);
2527 824234 : }
2528 :
2529 2513269 : }
2530 :
2531 :
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