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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
88cb7938 | 16 | /* $Id$ */ |
4c039060 | 17 | |
73042f01 | 18 | // |
fe4da5cc | 19 | /////////////////////////////////////////////////////////////////////////////// |
20 | // // | |
21 | // Time Projection Chamber version 2 -- detailed TPC and slow simulation // | |
22 | // // | |
23 | //Begin_Html | |
24 | /* | |
1439f98e | 25 | <img src="picts/AliTPCv2Class.gif"> |
fe4da5cc | 26 | */ |
27 | //End_Html | |
28 | // // | |
29 | // // | |
30 | /////////////////////////////////////////////////////////////////////////////// | |
116cbefd | 31 | |
d899e254 | 32 | //#include <stdlib.h> |
fe4da5cc | 33 | |
88cb7938 | 34 | #include <TLorentzVector.h> |
116cbefd | 35 | #include <TPDGCode.h> |
d9e80aca | 36 | #include <TString.h> |
f77f13c8 | 37 | #include "AliLog.h" |
b40afa5e | 38 | #include "AliMathBase.h" |
e6add757 | 39 | #include "AliTrackReference.h" |
73042f01 | 40 | #include "AliTPCParam.h" |
4ed5dced | 41 | #include "AliTPCTrackHitsV2.h" |
116cbefd | 42 | #include "AliTPCv2.h" |
cdf69b9a | 43 | #include "AliGeomManager.h" |
c1637e41 | 44 | #include "TGeoVolume.h" |
45 | #include "TGeoPcon.h" | |
46 | #include "TGeoTube.h" | |
c5d5037c | 47 | #include "TGeoCone.h" |
c1637e41 | 48 | #include "TGeoPgon.h" |
49 | #include "TGeoTrd1.h" | |
50 | #include "TGeoCompositeShape.h" | |
51 | #include "TGeoPara.h" | |
1ac29fc4 | 52 | #include "TGeoPhysicalNode.h" |
0f788f87 | 53 | #include "TGeoHalfSpace.h" |
0f2ff24c | 54 | #include "TTreeStream.h" |
1ac29fc4 | 55 | |
c1637e41 | 56 | ClassImp(AliTPCv2) |
57 | ||
58 | //_____________________________________________________________________________ | |
59 | AliTPCv2::AliTPCv2(const char *name, const char *title) : | |
e046d791 | 60 | AliTPC(name, title), |
61 | fIdSens(0), | |
62 | fIDrift(0), | |
63 | fSecOld(0) | |
c1637e41 | 64 | { |
65 | // | |
66 | // Standard constructor for Time Projection Chamber version 2 | |
67 | // | |
6a905708 | 68 | |
37831078 | 69 | |
c1637e41 | 70 | SetBufferSize(128000); |
79575d04 | 71 | |
79575d04 | 72 | |
db2fdcfb | 73 | // if (fTPCParam) |
74 | // fTPCParam->Write(fTPCParam->GetTitle()); | |
c1637e41 | 75 | } |
76 | ||
77 | //_____________________________________________________________________________ | |
78 | void AliTPCv2::CreateGeometry() | |
79 | { | |
80 | // | |
81 | // Create the geometry of Time Projection Chamber version 2 | |
82 | // | |
83 | //Begin_Html | |
84 | /* | |
85 | <img src="picts/AliTPC.gif"> | |
86 | */ | |
87 | //End_Html | |
88 | //Begin_Html | |
89 | /* | |
90 | <img src="picts/AliTPCv2Tree.gif"> | |
91 | */ | |
92 | //End_Html | |
37831078 | 93 | |
94 | //---------------------------------------------------------- | |
c1637e41 | 95 | // This geometry is written using TGeo class |
96 | // Firstly the shapes are defined, and only then the volumes | |
97 | // What is recognized by the MC are volumes | |
37831078 | 98 | //---------------------------------------------------------- |
c1637e41 | 99 | // |
100 | // tpc - this will be the mother volume | |
101 | // | |
37831078 | 102 | |
c1637e41 | 103 | // |
104 | // here I define a volume TPC | |
105 | // retrive the medium name with "TPC_" as a leading string | |
106 | // | |
24c46a8e | 107 | TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections |
c1637e41 | 108 | // |
24c46a8e | 109 | tpc->DefineSection(0,-289.6,77.,278.); |
110 | tpc->DefineSection(1,-262.1,77.,278.); | |
c1637e41 | 111 | // |
24c46a8e | 112 | tpc->DefineSection(2,-262.1,83.1,278.); |
113 | tpc->DefineSection(3,-260.,83.1,278.); | |
c1637e41 | 114 | // |
24c46a8e | 115 | tpc->DefineSection(4,-260.,70.,278.); |
116 | tpc->DefineSection(5,-259.6,70.,278.); | |
c1637e41 | 117 | // |
24c46a8e | 118 | tpc->DefineSection(6,-259.6,68.1,278.); |
119 | tpc->DefineSection(7,-253.6,68.1,278.); | |
c1637e41 | 120 | // |
c5d5037c | 121 | tpc->DefineSection(8,-253.6,67.88,278.);//hs |
122 | tpc->DefineSection(9,-74.0,60.68,278.);// hs | |
c1637e41 | 123 | // |
24c46a8e | 124 | tpc->DefineSection(10,-74.0,60.1,278.); |
125 | tpc->DefineSection(11,-73.3,60.1,278.); | |
c1637e41 | 126 | // |
24c46a8e | 127 | tpc->DefineSection(12,-73.3,56.9,278.); |
128 | tpc->DefineSection(13,-68.5,56.9,278.); | |
c1637e41 | 129 | // |
24c46a8e | 130 | tpc->DefineSection(14,-68.5,60.,278.); |
131 | tpc->DefineSection(15,-64.7,60.,278.); | |
78134e48 | 132 | // |
24c46a8e | 133 | tpc->DefineSection(16,-64.7,56.9,278.); |
134 | tpc->DefineSection(17,73.3,56.9,278.); | |
78134e48 | 135 | // |
24c46a8e | 136 | tpc->DefineSection(18,73.3,60.1,278.); |
137 | tpc->DefineSection(19,74.0,60.1,278.); | |
efe14311 | 138 | // |
c5d5037c | 139 | tpc->DefineSection(20,74.0,60.68,278.);// hs |
140 | tpc->DefineSection(21,253.6,65.38,278.);// hs | |
efe14311 | 141 | // |
24c46a8e | 142 | tpc->DefineSection(22,253.6,65.6,278.); |
143 | tpc->DefineSection(23,259.6,65.6,278.); | |
4fb9bd37 | 144 | // |
24c46a8e | 145 | tpc->DefineSection(24,259.6,70.0,278.); |
146 | tpc->DefineSection(25,260.,70.0,278.); | |
4fb9bd37 | 147 | // |
24c46a8e | 148 | tpc->DefineSection(26,260.,83.1,278.); |
149 | tpc->DefineSection(27,262.1,83.1,278.); | |
150 | // | |
151 | tpc->DefineSection(28,262.1,77.,278); | |
152 | tpc->DefineSection(29,289.6,77.,278.); | |
c1637e41 | 153 | // |
154 | TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air"); | |
155 | TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1); | |
156 | // | |
157 | // drift volume - sensitive volume, extended beyond the | |
158 | // endcaps, because of the alignment | |
159 | // | |
160 | TGeoPcon *dvol = new TGeoPcon(0.,360.,6); | |
161 | dvol->DefineSection(0,-260.,74.5,264.4); | |
162 | dvol->DefineSection(1,-253.6,74.5,264.4); | |
163 | // | |
164 | dvol->DefineSection(2,-253.6,76.6774,258.); | |
165 | dvol->DefineSection(3,253.6,76.6774,258.); | |
166 | // | |
167 | dvol->DefineSection(4,253.6,74.5,264.4); | |
168 | dvol->DefineSection(5,260.,74.5,264.4); | |
169 | // | |
f3d601a5 | 170 | TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-2"); |
c1637e41 | 171 | TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5); |
172 | // | |
173 | v1->AddNode(v9,1); | |
174 | // | |
175 | // outer insulator | |
176 | // | |
177 | TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator | |
178 | // | |
179 | tpco->DefineSection(0,-256.6,264.8,278.); | |
180 | tpco->DefineSection(1,-253.6,264.8,278.); | |
181 | // | |
182 | tpco->DefineSection(2,-253.6,258.,278.); | |
183 | tpco->DefineSection(3,250.6,258.,278.); | |
184 | // | |
185 | tpco->DefineSection(4,250.6,258.,275.5); | |
186 | tpco->DefineSection(5,253.6,258.,275.5); | |
187 | // | |
188 | TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2"); | |
189 | TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2); | |
190 | // | |
c449e944 | 191 | TGeoRotation *segrot;//segment rotations |
192 | // | |
c1637e41 | 193 | // outer containment vessel |
194 | // | |
195 | TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel | |
196 | // | |
197 | tocv->DefineSection(0,-256.6,264.8,278.); | |
198 | tocv->DefineSection(1,-253.6,264.8,278.); | |
199 | // | |
200 | tocv->DefineSection(2,-253.6,274.8124,278.); | |
201 | tocv->DefineSection(3,247.6,274.8124,278.); | |
202 | // | |
203 | tocv->DefineSection(4,247.6,270.4,278.); | |
204 | tocv->DefineSection(5,250.6,270.4,278.); | |
205 | // | |
206 | TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al"); | |
207 | TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3); | |
208 | // | |
c449e944 | 209 | TGeoTubeSeg *to1 = new TGeoTubeSeg(274.8174,277.995,252.1,0.,59.9); //epoxy |
210 | TGeoTubeSeg *to2 = new TGeoTubeSeg(274.8274,277.985,252.1,0.,59.9); //tedlar | |
211 | TGeoTubeSeg *to3 = new TGeoTubeSeg(274.8312,277.9812,252.1,0.,59.9);//prepreg2 | |
212 | TGeoTubeSeg *to4 = new TGeoTubeSeg(274.9062,277.9062,252.1,0.,59.9);//nomex | |
213 | TGeoTubeSeg *tog5 = new TGeoTubeSeg(274.8174,277.995,252.1,59.9,60.);//epoxy | |
c1637e41 | 214 | // |
215 | TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy"); | |
216 | TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar"); | |
217 | TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2"); | |
218 | TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex"); | |
219 | // | |
220 | TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1); | |
221 | TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2); | |
222 | TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3); | |
223 | TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4); | |
c449e944 | 224 | TGeoVolume *togv5 = new TGeoVolume("TPC_OCVG5",tog5,sm1); |
c5d5037c | 225 | // |
226 | TGeoMedium *mhs = gGeoManager->GetMedium("TPC_Steel"); | |
227 | TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water"); | |
c449e944 | 228 | //------------------------------------------------------- |
c1637e41 | 229 | // Tpc Outer Field Cage |
230 | // daughters - composite (sandwich) | |
231 | //------------------------------------------------------- | |
37831078 | 232 | |
c1637e41 | 233 | TGeoPcon *tofc = new TGeoPcon(0.,360.,6); |
234 | // | |
235 | tofc->DefineSection(0,-253.6,258.,269.6); | |
236 | tofc->DefineSection(1,-250.6,258.,269.6); | |
237 | // | |
238 | tofc->DefineSection(2,-250.6,258.,260.0676); | |
239 | tofc->DefineSection(3,250.6,258.,260.0676); | |
240 | // | |
241 | tofc->DefineSection(4,250.6,258.,275.5); | |
242 | tofc->DefineSection(5,253.6,258.,275.5); | |
243 | // | |
244 | TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3); | |
245 | //sandwich | |
c449e944 | 246 | TGeoTubeSeg *tf1 = new TGeoTubeSeg(258.0,260.0676,252.1,0.,59.9); //tedlar |
247 | TGeoTubeSeg *tf2 = new TGeoTubeSeg(258.0038,260.0638,252.1,0.,59.9); //prepreg3 | |
248 | TGeoTubeSeg *tf3 = new TGeoTubeSeg(258.0338,260.0338,252.1,0.,59.9);//nomex | |
249 | TGeoTubeSeg *tfg4 = new TGeoTubeSeg(258.0,260.0676,252.1,59.9,60.); //epoxy glue | |
c1637e41 | 250 | // |
251 | TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3"); | |
252 | // | |
253 | TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2); | |
254 | TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5); | |
255 | TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4); | |
c449e944 | 256 | TGeoVolume *tfg4v = new TGeoVolume("TPC_OFCG4",tfg4,sm1); |
c1637e41 | 257 | // |
258 | // outer part - positioning | |
259 | // | |
c449e944 | 260 | tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);//ocv |
261 | // | |
262 | tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);//ofc | |
c1637e41 | 263 | // |
c449e944 | 264 | TGeoVolumeAssembly *t200 = new TGeoVolumeAssembly("TPC_OCVSEG"); |
265 | TGeoVolumeAssembly *t300 = new TGeoVolumeAssembly("TPC_OFCSEG"); | |
c1637e41 | 266 | // |
c449e944 | 267 | // assembly OCV and OFC |
268 | // | |
269 | // 1st - no rotation | |
270 | t200->AddNode(tov1,1); t200->AddNode(togv5,1); | |
271 | t300->AddNode(tf1v,1); t300->AddNode(tfg4v,1); | |
272 | // 2nd - rotation 60 deg | |
273 | segrot = new TGeoRotation(); | |
274 | segrot->RotateZ(60.); | |
275 | t200->AddNode(tov1,2,segrot); t200->AddNode(togv5,2,segrot); | |
276 | t300->AddNode(tf1v,2,segrot); t300->AddNode(tfg4v,2,segrot); | |
277 | // 3rd rotation 120 deg | |
278 | segrot = new TGeoRotation(); | |
279 | segrot->RotateZ(120.); | |
280 | t200->AddNode(tov1,3,segrot); t200->AddNode(togv5,3,segrot); | |
281 | t300->AddNode(tf1v,3,segrot); t300->AddNode(tfg4v,3,segrot); | |
282 | //4th rotation 180 deg | |
283 | segrot = new TGeoRotation(); | |
284 | segrot->RotateZ(180.); | |
285 | t200->AddNode(tov1,4,segrot); t200->AddNode(togv5,4,segrot); | |
286 | t300->AddNode(tf1v,4,segrot); t300->AddNode(tfg4v,4,segrot); | |
287 | //5th rotation 240 deg | |
288 | segrot = new TGeoRotation(); | |
289 | segrot->RotateZ(240.); | |
290 | t200->AddNode(tov1,5,segrot); t200->AddNode(togv5,5,segrot); | |
291 | t300->AddNode(tf1v,5,segrot); t300->AddNode(tfg4v,5,segrot); | |
292 | //6th rotation 300 deg | |
293 | segrot = new TGeoRotation(); | |
294 | segrot->RotateZ(300.); | |
295 | t200->AddNode(tov1,6,segrot); t200->AddNode(togv5,6,segrot); | |
296 | t300->AddNode(tf1v,6,segrot); t300->AddNode(tfg4v,6,segrot); | |
297 | // | |
298 | v3->AddNode(t200,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(t300,1); | |
c1637e41 | 299 | // |
300 | v2->AddNode(v3,1); v2->AddNode(v4,1); | |
301 | // | |
302 | v1->AddNode(v2,1); | |
303 | //-------------------------------------------------------------------- | |
304 | // Tpc Inner INsulator (CO2) | |
305 | // the cones, the central drum and the inner f.c. sandwich with a piece | |
306 | // of the flane will be placed in the TPC | |
307 | //-------------------------------------------------------------------- | |
308 | TGeoPcon *tpci = new TGeoPcon(0.,360.,4); | |
309 | // | |
310 | tpci->DefineSection(0,-253.6,68.4,76.6774); | |
311 | tpci->DefineSection(1,-74.0,61.2,76.6774); | |
312 | // | |
313 | tpci->DefineSection(2,74.0,61.2,76.6774); | |
314 | // | |
315 | tpci->DefineSection(3,253.6,65.9,76.6774); | |
316 | // | |
317 | TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2); | |
318 | // | |
319 | // now the inner field cage - only part of flanges (2 copies) | |
320 | // | |
321 | TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5); | |
322 | TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3); | |
323 | // | |
324 | //--------------------------------------------------------- | |
325 | // Tpc Inner Containment vessel - Muon side | |
326 | //--------------------------------------------------------- | |
327 | TGeoPcon *tcms = new TGeoPcon(0.,360.,10); | |
328 | // | |
329 | tcms->DefineSection(0,-259.1,68.1,74.2); | |
330 | tcms->DefineSection(1,-253.6,68.1,74.2); | |
331 | // | |
332 | tcms->DefineSection(2,-253.6,68.1,68.4); | |
333 | tcms->DefineSection(3,-74.0,60.9,61.2); | |
334 | // | |
335 | tcms->DefineSection(4,-74.0,60.1,61.2); | |
336 | tcms->DefineSection(5,-73.3,60.1,61.2); | |
337 | // | |
338 | tcms->DefineSection(6,-73.3,56.9,61.2); | |
339 | tcms->DefineSection(7,-73.0,56.9,61.2); | |
340 | // | |
341 | tcms->DefineSection(8,-73.0,56.9,58.8); | |
342 | tcms->DefineSection(9,-71.3,56.9,58.8); | |
343 | // | |
344 | TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3); | |
c5d5037c | 345 | //------------------------------------------------ |
346 | // Heat screen muon side | |
347 | //------------------------------------------------ | |
348 | ||
349 | TGeoCone *thsm = new TGeoCone(89.8,67.88,68.1,60.68,60.9); | |
350 | TGeoCone *thsmw = new TGeoCone(89.8,67.94,68.04,60.74,60.84); | |
351 | TGeoVolume *hvsm = new TGeoVolume("TPC_HSM",thsm,mhs); //steel | |
352 | TGeoVolume *hvsmw = new TGeoVolume("TPC_HSMW",thsmw,m12); //water | |
353 | // assembly heat screen muon | |
354 | hvsm->AddNode(hvsmw,1); | |
c1637e41 | 355 | //----------------------------------------------- |
356 | // inner containment vessel - shaft side | |
357 | //----------------------------------------------- | |
358 | TGeoPcon *tcss = new TGeoPcon(0.,360.,10); | |
359 | // | |
360 | tcss->DefineSection(0,71.3,56.9,58.8); | |
361 | tcss->DefineSection(1,73.0,56.9,58.8); | |
362 | // | |
363 | tcss->DefineSection(2,73.0,56.9,61.2); | |
364 | tcss->DefineSection(3,73.3,56.9,61.2); | |
365 | // | |
366 | tcss->DefineSection(4,73.3,60.1,61.2); | |
367 | tcss->DefineSection(5,74.0,60.1,61.2); | |
368 | // | |
369 | tcss->DefineSection(6,74.0,60.9,61.2); | |
370 | tcss->DefineSection(7,253.6,65.6,65.9); | |
371 | // | |
372 | tcss->DefineSection(8,253.6,65.6,74.2); | |
373 | tcss->DefineSection(9,258.1,65.6,74.2); | |
374 | // | |
375 | TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3); | |
c5d5037c | 376 | //------------------------------------------------- |
377 | // Heat screen shaft side | |
378 | //-------------------------------------------------- | |
379 | TGeoCone *thss = new TGeoCone(89.8,60.68,60.9,65.38,65.6); | |
380 | TGeoCone *thssw = new TGeoCone(89.8,60.74,60.84,65.44,65.54); | |
381 | TGeoVolume *hvss = new TGeoVolume("TPC_HSS",thss,mhs); //steel | |
382 | TGeoVolume *hvssw = new TGeoVolume("TPC_HSSW",thssw,m12); //water | |
383 | //assembly heat screen shaft | |
384 | hvss->AddNode(hvssw,1); | |
c1637e41 | 385 | //----------------------------------------------- |
386 | // Inner field cage | |
387 | // define 4 parts and make an assembly | |
388 | //----------------------------------------------- | |
389 | // part1 - Al - 2 copies | |
390 | TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75); | |
391 | TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3); | |
392 | // sandwich - outermost parts - 2 copies | |
c1637e41 | 393 | // |
878dd3f2 | 394 | // segment outermost |
395 | // | |
d56d7df1 | 396 | TGeoTubeSeg *t2 = new TGeoTubeSeg(76.6774,78.845,74.175,350.,109.4); // tedlar 38 microns |
397 | TGeoTubeSeg *t3 = new TGeoTubeSeg(76.6812,78.8412,74.175,350.,109.4); // prepreg2 500 microns | |
398 | TGeoTubeSeg *t4 = new TGeoTubeSeg(76.7312,78.7912,74.175,350.,109.4); // prepreg3 300 microns | |
399 | TGeoTubeSeg *t5 = new TGeoTubeSeg(76.7612,78.7612,74.175,350.,109.4); // nomex 2 cm | |
400 | TGeoTubeSeg *tepox1 = new TGeoTubeSeg(76.6774,78.845,74.175,109.4,110.);//epoxy | |
e079adac | 401 | TGeoTubeSeg *tpr1 = new TGeoTubeSeg(78.845,78.885,74.175,109.,111.); |
878dd3f2 | 402 | |
403 | // volumes for the outer part | |
c1637e41 | 404 | TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2); |
405 | TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3); | |
406 | TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5); | |
407 | TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4); | |
878dd3f2 | 408 | TGeoVolume *tvep1 = new TGeoVolume("TPC_IFEPOX1",tepox1,sm1); |
409 | TGeoVolume *tvpr1 = new TGeoVolume("TPC_PRSTR1",tpr1,sm2); | |
c1637e41 | 410 | // |
411 | // middle parts - 2 copies | |
c1637e41 | 412 | // |
878dd3f2 | 413 | // segment middle |
414 | // | |
d56d7df1 | 415 | TGeoTubeSeg *t6 = new TGeoTubeSeg(76.6774,78.795,5.,350.,109.4); // tedlar 38 microns |
416 | TGeoTubeSeg *t7 = new TGeoTubeSeg(76.6812,78.7912,5.,350.,109.4); // prepreg2 250 microns | |
417 | TGeoTubeSeg *t8 = new TGeoTubeSeg(76.7062,78.7662,5.,350.,109.4); // prepreg3 300 microns | |
418 | TGeoTubeSeg *t9 = new TGeoTubeSeg(76.7362,78.7362,5.,350.,109.4); // nomex 2 cm | |
419 | TGeoTubeSeg *tepox2 = new TGeoTubeSeg(76.6774,78.795,5.,109.4,110.);//epoxy | |
e079adac | 420 | TGeoTubeSeg *tpr2 = new TGeoTubeSeg(78.795,78.835,5.,109.,111.); |
878dd3f2 | 421 | // volumes for the middle part |
c1637e41 | 422 | TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2); |
423 | TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3); | |
424 | TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5); | |
425 | TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4); | |
878dd3f2 | 426 | TGeoVolume *tvep2 = new TGeoVolume("TPC_IFEPOX2",tepox2,sm1); |
427 | TGeoVolume *tvpr2 = new TGeoVolume("TPC_PRSTR2",tpr2,sm2); | |
c1637e41 | 428 | // central part - 1 copy |
878dd3f2 | 429 | // |
430 | // segment central part | |
431 | // | |
d56d7df1 | 432 | TGeoTubeSeg *t10 = new TGeoTubeSeg(76.6774,78.785,93.75,350.,109.4); // tedlar 38 microns |
433 | TGeoTubeSeg *t11 = new TGeoTubeSeg(76.6812,78.7812,93.75,350.,109.4); // prepreg3 500 microns | |
434 | TGeoTubeSeg *t12 = new TGeoTubeSeg(76.7312,78.7312,93.75,350.,109.4); // nomex 2 cm | |
435 | TGeoTubeSeg *tepox3 = new TGeoTubeSeg(76.6774,78.785,93.75,109.4,110.);//epoxy | |
e079adac | 436 | TGeoTubeSeg *tpr3 = new TGeoTubeSeg(78.785,78.825,93.75,109.,111.); |
878dd3f2 | 437 | // volumes for the central part |
c1637e41 | 438 | TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2); |
439 | TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5); | |
440 | TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4); | |
878dd3f2 | 441 | TGeoVolume *tvep3 = new TGeoVolume("TPC_IFEPOX3",tepox3,sm1); |
442 | TGeoVolume *tvpr3 = new TGeoVolume("TPC_PRSTR3",tpr3,sm2); | |
c1637e41 | 443 | // |
878dd3f2 | 444 | // creating a sandwich for the outer par,t tv2 is the mother |
c1637e41 | 445 | // |
c1637e41 | 446 | tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1); |
447 | // | |
878dd3f2 | 448 | // creating a sandwich for the middle part, tv6 is the mother |
449 | // | |
c1637e41 | 450 | tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1); |
451 | // | |
878dd3f2 | 452 | // creating a sandwich for the central part, tv10 is the mother |
453 | // | |
c1637e41 | 454 | tv10->AddNode(tv11,1); tv11->AddNode(tv12,1); |
455 | // | |
878dd3f2 | 456 | TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); // ifc itself - 3 segments |
878dd3f2 | 457 | |
c1637e41 | 458 | // |
878dd3f2 | 459 | // first segment - no rotation |
460 | // | |
461 | // central | |
462 | tv100->AddNode(tv10,1); //sandwich | |
463 | tv100->AddNode(tvep3,1);//epoxy | |
464 | tv100->AddNode(tvpr3,1);//prepreg strip | |
465 | // middle | |
466 | tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); //sandwich1 | |
467 | tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); // sandwich2 | |
468 | tv100->AddNode(tvep2,1,new TGeoTranslation(0.,0.,-98.75)); //epoxy | |
469 | tv100->AddNode(tvep2,2,new TGeoTranslation(0.,0.,98.75)); //epoxy | |
470 | tv100->AddNode(tvpr2,1,new TGeoTranslation(0.,0.,-98.75));//prepreg strip | |
471 | tv100->AddNode(tvpr2,2,new TGeoTranslation(0.,0.,98.75)); | |
472 | // outer | |
473 | tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); //sandwich | |
c1637e41 | 474 | tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925)); |
878dd3f2 | 475 | tv100->AddNode(tvep1,1,new TGeoTranslation(0.,0.,-177.925)); //epoxy |
476 | tv100->AddNode(tvep1,2,new TGeoTranslation(0.,0.,177.925)); | |
477 | tv100->AddNode(tvpr1,1,new TGeoTranslation(0.,0.,-177.925));//prepreg strip | |
478 | tv100->AddNode(tvpr1,2,new TGeoTranslation(0.,0.,-177.925)); | |
479 | // | |
480 | // second segment - rotation 120 deg. | |
481 | // | |
482 | segrot = new TGeoRotation(); | |
483 | segrot->RotateZ(120.); | |
484 | // | |
485 | // central | |
486 | tv100->AddNode(tv10,2,segrot); //sandwich | |
487 | tv100->AddNode(tvep3,2,segrot);//epoxy | |
488 | tv100->AddNode(tvpr3,2,segrot);//prepreg strip | |
489 | // middle | |
490 | tv100->AddNode(tv6,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1 | |
491 | tv100->AddNode(tv6,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2 | |
492 | tv100->AddNode(tvep2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy | |
493 | tv100->AddNode(tvep2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy | |
494 | tv100->AddNode(tvpr2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip | |
495 | tv100->AddNode(tvpr2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); | |
496 | //outer | |
497 | tv100->AddNode(tv2,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich | |
498 | tv100->AddNode(tv2,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
499 | tv100->AddNode(tvep1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy | |
500 | tv100->AddNode(tvep1,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
501 | tv100->AddNode(tvpr1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip | |
502 | tv100->AddNode(tvpr1,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
503 | // | |
504 | // third segment - rotation 240 deg. | |
505 | // | |
506 | segrot = new TGeoRotation(); | |
507 | segrot->RotateZ(240.); | |
508 | // | |
509 | // central | |
510 | tv100->AddNode(tv10,3,segrot); //sandwich | |
511 | tv100->AddNode(tvep3,3,segrot);//epoxy | |
512 | tv100->AddNode(tvpr3,3,segrot);//prepreg strip | |
513 | // middle | |
514 | tv100->AddNode(tv6,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1 | |
515 | tv100->AddNode(tv6,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2 | |
516 | tv100->AddNode(tvep2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy | |
517 | tv100->AddNode(tvep2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy | |
518 | tv100->AddNode(tvpr2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip | |
519 | tv100->AddNode(tvpr2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); | |
520 | //outer | |
521 | tv100->AddNode(tv2,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich | |
522 | tv100->AddNode(tv2,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
523 | tv100->AddNode(tvep1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy | |
524 | tv100->AddNode(tvep1,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
525 | tv100->AddNode(tvpr1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip | |
526 | tv100->AddNode(tvpr1,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
527 | // Al parts - rings | |
c1637e41 | 528 | tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85)); |
529 | tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85)); | |
530 | // | |
531 | v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1)); | |
532 | v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1)); | |
533 | v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1); | |
c5d5037c | 534 | v1->AddNode(hvsm,1,new TGeoTranslation(0.,0.,-163.8)); |
535 | v1->AddNode(hvss,1,new TGeoTranslation(0.,0.,163.8)); | |
c1637e41 | 536 | v9->AddNode(tv100,1); |
537 | // | |
538 | // central drum | |
539 | // | |
540 | // flange + sandwich | |
541 | // | |
542 | TGeoPcon *cfl = new TGeoPcon(0.,360.,6); | |
543 | cfl->DefineSection(0,-71.1,59.7,61.2); | |
544 | cfl->DefineSection(1,-68.6,59.7,61.2); | |
545 | // | |
efbf94c5 | 546 | cfl->DefineSection(2,-68.6,60.6124,61.2); |
547 | cfl->DefineSection(3,68.6,60.6124,61.2); | |
c1637e41 | 548 | // |
549 | cfl->DefineSection(4,68.6,59.7,61.2); | |
550 | cfl->DefineSection(5,71.1,59.7,61.2); | |
551 | // | |
552 | TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3); | |
553 | // sandwich | |
d56d7df1 | 554 | TGeoTubeSeg *cd1 = new TGeoTubeSeg(60.6224,61.19,71.1,0.1,119.9); |
555 | TGeoTubeSeg *cd2 = new TGeoTubeSeg(60.6262,61.1862,71.1,0.1,119.9); | |
556 | TGeoTubeSeg *cd3 = new TGeoTubeSeg(60.6462,61.1662,71.1,0.1,119.9); | |
557 | TGeoTubeSeg *cd4 = new TGeoTubeSeg(60.6562,61.1562,71.1,0.1,119.9); | |
558 | TGeoTubeSeg *tepox4 = new TGeoTubeSeg(60.6224,61.19,71.1,359.9,0.1); | |
559 | // TGeoTube *cd1 = new TGeoTube(60.6224,61.19,71.1); | |
560 | // TGeoTube *cd2 = new TGeoTube(60.6262,61.1862,71.1); | |
561 | // TGeoTube *cd3 = new TGeoTube(60.6462,61.1662,71.1); | |
562 | // TGeoTube *cd4 = new TGeoTube(60.6562,61.1562,71.1); | |
c1637e41 | 563 | // |
564 | TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1"); | |
efbf94c5 | 565 | TGeoMedium *sm8 = gGeoManager->GetMedium("TPC_Epoxyfm"); |
c1637e41 | 566 | TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar |
567 | TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1 | |
efbf94c5 | 568 | TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm8); //epoxy film |
569 | TGeoVolume *cd4v = new TGeoVolume("TPC_CDR4",cd4,sm4); //nomex | |
d56d7df1 | 570 | TGeoVolume *tvep4 = new TGeoVolume("TPC_IFEPOX4",tepox4,sm1); |
efbf94c5 | 571 | |
c1637e41 | 572 | // |
573 | // seals for central drum 2 copies | |
574 | // | |
575 | TGeoTube *cs = new TGeoTube(56.9,61.2,0.1); | |
576 | TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar"); | |
577 | TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7); | |
3378c058 | 578 | v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2)); |
579 | v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2)); | |
c1637e41 | 580 | // |
581 | // seal collars | |
582 | TGeoPcon *se = new TGeoPcon(0.,360.,6); | |
583 | se->DefineSection(0,-72.8,59.7,61.2); | |
584 | se->DefineSection(1,-72.3,59.7,61.2); | |
585 | // | |
586 | se->DefineSection(2,-72.3,58.85,61.2); | |
587 | se->DefineSection(3,-71.6,58.85,61.2); | |
588 | // | |
589 | se->DefineSection(4,-71.6,59.7,61.2); | |
590 | se->DefineSection(5,-71.3,59.7,61.2); | |
591 | // | |
592 | TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3); | |
593 | // | |
594 | TGeoTube *si = new TGeoTube(56.9,58.8,1.); | |
595 | TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3); | |
596 | // | |
597 | // define reflection matrix | |
598 | // | |
4fa47888 | 599 | TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.); |
c1637e41 | 600 | // |
d56d7df1 | 601 | cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cd3v->AddNode(cd4v,1); //sandwich |
602 | // first segment | |
603 | cflv->AddNode(cd1v,1); cflv->AddNode(tvep4,1); | |
604 | // second segment | |
605 | segrot = new TGeoRotation(); | |
606 | segrot->RotateZ(120.); | |
607 | cflv->AddNode(cd1v,2,segrot); cflv->AddNode(tvep4,2,segrot); | |
608 | // third segment | |
609 | segrot = new TGeoRotation(); | |
610 | segrot->RotateZ(240.); | |
611 | cflv->AddNode(cd1v,3,segrot); cflv->AddNode(tvep4,3,segrot); | |
c1637e41 | 612 | // |
a1ec4d07 | 613 | v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9)); |
614 | v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9)); | |
c1637e41 | 615 | v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1); |
616 | // | |
617 | // central membrane - 2 rings and a mylar membrane - assembly | |
618 | // | |
cf84f9b1 | 619 | TGeoTube *ih = new TGeoTube(81.05,84.05,0.3); |
620 | TGeoTube *oh = new TGeoTube(250.,256.,0.5); | |
4236db1b | 621 | TGeoTube *mem = new TGeoTube(84.05,250.,0.00115); |
c449e944 | 622 | |
623 | // | |
624 | TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10"); | |
625 | // | |
c1637e41 | 626 | TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3); |
627 | TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3); | |
c449e944 | 628 | |
c1637e41 | 629 | TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7); |
630 | // | |
631 | TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM"); | |
632 | cm->AddNode(ihv,1); | |
633 | cm->AddNode(ohv,1); | |
634 | cm->AddNode(memv,1); | |
c449e944 | 635 | |
c1637e41 | 636 | v9->AddNode(cm,1); |
637 | // | |
638 | // end caps - they are make as an assembly of single segments | |
639 | // containing both readout chambers | |
640 | // | |
d899e254 | 641 | Double_t openingAngle = 10.*TMath::DegToRad(); |
c1637e41 | 642 | Double_t thick=1.5; // rib |
d899e254 | 643 | Double_t shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 644 | // |
d899e254 | 645 | Double_t lowEdge = 86.3; // hole in the wheel |
646 | Double_t upEdge = 240.4; // hole in the wheel | |
c1637e41 | 647 | // |
648 | new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.); | |
649 | // | |
650 | TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4); | |
651 | // | |
d899e254 | 652 | hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift); |
653 | hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift); | |
c1637e41 | 654 | // |
d899e254 | 655 | hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift); |
656 | hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift); | |
c1637e41 | 657 | // |
d899e254 | 658 | Double_t ys = shift*TMath::Sin(openingAngle); |
659 | Double_t xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 660 | TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.); |
661 | tr->RegisterYourself(); | |
662 | TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr"); | |
663 | TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3); | |
664 | TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2); | |
665 | bar->DefineSection(0,-3.,131.5-shift,136.5-shift); | |
666 | bar->DefineSection(1,1.5,131.5-shift,136.5-shift); | |
667 | TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3); | |
668 | TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment | |
669 | // | |
670 | ch->AddNode(sv,1); ch->AddNode(barv,1,tr); | |
671 | // | |
672 | // readout chambers | |
673 | // | |
674 | // IROC first | |
675 | // | |
676 | TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15); | |
677 | TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3); | |
678 | // empty space | |
679 | TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65); | |
680 | TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1); | |
681 | ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.)); | |
682 | //bars | |
683 | Double_t tga = (19.8328-12.3742)/39.3; | |
684 | Double_t xmin,xmax; | |
685 | xmin = 9.55*tga+12.3742; | |
686 | xmax = 9.95*tga+12.3742; | |
687 | TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
688 | TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3); | |
689 | empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9)); | |
690 | xmin=19.4*tga+12.3742; | |
691 | xmax=19.9*tga+12.3742; | |
692 | TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25); | |
693 | TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3); | |
694 | empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.)); | |
695 | xmin=29.35*tga+12.3742; | |
696 | xmax=29.75*tga+12.3742; | |
697 | TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
698 | TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3); | |
699 | empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9)); | |
700 | // | |
701 | // holes for connectors | |
702 | // | |
703 | TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc | |
704 | TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1); | |
d9e80aca | 705 | TString fileName(gSystem->Getenv("ALICE_ROOT")); |
706 | fileName += "/TPC/conn_iroc.dat"; | |
c1637e41 | 707 | ifstream in; |
d9e80aca | 708 | in.open(fileName.Data(), ios_base::in); // asci file |
2d1d58a6 | 709 | TGeoRotation *rrr[86]; |
c1637e41 | 710 | for(Int_t i =0;i<86;i++){ |
456cb019 | 711 | Double_t y = 3.99; |
c1637e41 | 712 | Double_t x,z,ang; |
713 | in>>x>>z>>ang; | |
456cb019 | 714 | z-=26.5; |
2d1d58a6 | 715 | rrr[i]= new TGeoRotation(); |
716 | rrr[i]->RotateY(ang); | |
717 | ibdv->AddNode(connv,i+1,new TGeoCombiTrans(x,y,z,rrr[i])); | |
c1637e41 | 718 | } |
719 | in.close(); | |
720 | // "cap" | |
721 | new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825); | |
722 | // "hole" | |
723 | new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15); | |
724 | TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725); | |
725 | tr1->RegisterYourself(); | |
726 | TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1"); | |
727 | TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3); | |
728 | // | |
729 | // pad plane and wire fixations | |
730 | // | |
731 | TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso | |
c1637e41 | 732 | TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4); |
733 | TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.); | |
734 | TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4); | |
735 | TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.); | |
736 | TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4); | |
737 | // | |
738 | TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC"); | |
739 | // | |
740 | iroc->AddNode(ibdv,1); | |
741 | iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725)); | |
742 | iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725)); | |
743 | tga =(23.3521-14.5974)/49.65; | |
744 | Double_t xx = 24.825*tga+14.5974-0.6; | |
745 | iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725)); | |
746 | iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725)); | |
747 | // | |
748 | // OROC | |
749 | // | |
750 | TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65); | |
751 | TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3); | |
752 | TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65); | |
753 | TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1); | |
754 | obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.)); | |
755 | //horizontal bars | |
756 | tga=(38.5084-20.2938)/99.3; | |
757 | xmin=tga*10.2+20.2938; | |
758 | xmax=tga*10.6+20.2938; | |
759 | TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
760 | TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3); | |
761 | // | |
762 | xmin=22.55*tga+20.2938; | |
763 | xmax=24.15*tga+20.2938; | |
764 | TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
765 | TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3); | |
766 | // | |
767 | xmin=36.1*tga+20.2938; | |
768 | xmax=36.5*tga+20.2938; | |
769 | TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
770 | TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3); | |
771 | // | |
772 | xmin=49.0*tga+20.2938; | |
773 | xmax=50.6*tga+20.2938; | |
774 | TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
775 | TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3); | |
776 | // | |
777 | xmin=63.6*tga+20.2938; | |
778 | xmax=64.0*tga+20.2938; | |
779 | TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
780 | TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3); | |
781 | // | |
782 | xmin=75.5*tga+20.2938; | |
783 | xmax=77.15*tga+20.2938; | |
784 | TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
785 | TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3); | |
786 | // | |
787 | xmin=88.7*tga+20.2938; | |
788 | xmax=89.1*tga+20.2938; | |
789 | TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
790 | TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3); | |
791 | // | |
792 | oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25)); | |
793 | oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3)); | |
794 | oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35)); | |
795 | oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15)); | |
796 | oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15)); | |
797 | oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7)); | |
798 | oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25)); | |
799 | // vertical bars | |
800 | TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1); | |
801 | TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975); | |
802 | TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775); | |
803 | TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25); | |
804 | TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5); | |
805 | // | |
806 | TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3); | |
807 | TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3); | |
808 | TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3); | |
809 | TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3); | |
810 | TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3); | |
811 | // | |
812 | oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55)); | |
813 | oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55)); | |
814 | oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075)); | |
815 | oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525)); | |
816 | oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125)); | |
817 | oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275)); | |
818 | oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9)); | |
819 | oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45)); | |
820 | // | |
821 | // holes for connectors | |
822 | // | |
d9e80aca | 823 | fileName = gSystem->Getenv("ALICE_ROOT"); |
824 | fileName += "/TPC/conn_oroc.dat"; | |
825 | in.open(fileName.Data(), ios_base::in); // asci file | |
2d1d58a6 | 826 | TGeoRotation *rr[78]; |
c1637e41 | 827 | for(Int_t i =0;i<78;i++){ |
828 | Double_t y =3.89; | |
829 | Double_t x,z,ang; | |
830 | Double_t x1,z1,x2,z2; | |
831 | in>>x>>z>>ang; | |
832 | Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad()); | |
833 | Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad()); | |
834 | // | |
835 | x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z; | |
836 | // | |
2d1d58a6 | 837 | rr[i]= new TGeoRotation(); |
838 | rr[i]->RotateY(ang); | |
c1637e41 | 839 | z1-=54.95; |
840 | z2-=54.95; | |
5f174279 | 841 | // |
2d1d58a6 | 842 | obdv->AddNode(connv,i+1,new TGeoCombiTrans(x1,y,z1,rr[i])); |
843 | obdv->AddNode(connv,i+79,new TGeoCombiTrans(x2,y,z2,rr[i])); | |
c1637e41 | 844 | } |
845 | in.close(); | |
846 | // cap | |
847 | new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1); | |
848 | new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65); | |
849 | TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15); | |
850 | tr5->RegisterYourself(); | |
851 | TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5"); | |
852 | TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3); | |
853 | // | |
854 | // pad plane and wire fixations | |
855 | // | |
856 | TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1); | |
857 | TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4); | |
858 | // | |
859 | tga=(43.5239-23.3874)/114.2; | |
860 | TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.); | |
861 | TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.); | |
862 | xx = 57.1*tga+23.3874-0.7; | |
863 | TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4); | |
864 | TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4); | |
865 | // | |
866 | TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC"); | |
867 | // | |
868 | oroc->AddNode(obdv,1); | |
869 | oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15)); | |
870 | oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15)); | |
871 | oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15)); | |
872 | oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15)); | |
873 | // | |
874 | // now iroc and oroc are placed into a sector... | |
875 | // | |
a1ec4d07 | 876 | TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side |
877 | TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side | |
c1637e41 | 878 | TGeoRotation rot1("rot1",90.,90.,0.); |
879 | TGeoRotation rot2("rot2"); | |
880 | rot2.RotateY(10.); | |
881 | TGeoRotation *rot = new TGeoRotation("rot"); | |
882 | *rot=rot1*rot2; | |
883 | // | |
884 | Double_t x0,y0; | |
d899e254 | 885 | x0=110.2*TMath::Cos(openingAngle); |
886 | y0=110.2*TMath::Sin(openingAngle); | |
1bae4c82 | 887 | TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side |
888 | TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side | |
d899e254 | 889 | x0=188.45*TMath::Cos(openingAngle); |
890 | y0=188.45*TMath::Sin(openingAngle); | |
1bae4c82 | 891 | TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side |
892 | TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side | |
c1637e41 | 893 | // |
c1637e41 | 894 | // |
a1ec4d07 | 895 | // A-side |
c1637e41 | 896 | // |
a1ec4d07 | 897 | secta->AddNode(ch,1); |
898 | secta->AddNode(iroc,1,combi1a); | |
899 | secta->AddNode(oroc,1,combi2a); | |
900 | // | |
901 | // C-side | |
902 | // | |
903 | sectc->AddNode(ch,1); | |
904 | sectc->AddNode(iroc,1,combi1c); | |
905 | sectc->AddNode(oroc,1,combi2c); | |
906 | // | |
907 | // now I try to make wheels... | |
908 | // | |
909 | TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
910 | TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
c1637e41 | 911 | // |
5f174279 | 912 | TGeoRotation *rwh[18]; |
c1637e41 | 913 | for(Int_t i =0;i<18;i++){ |
914 | Double_t phi = (20.*i); | |
5f174279 | 915 | rwh[i]=new TGeoRotation(); |
916 | rwh[i]->RotateZ(phi); | |
917 | wheela->AddNode(secta,i+1,rwh[i]); | |
918 | wheelc->AddNode(sectc,i+1,rwh[i]); | |
79575d04 | 919 | |
c1637e41 | 920 | } |
4fa47888 | 921 | // wheels in the drift volume! |
a1ec4d07 | 922 | |
c1637e41 | 923 | TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref); |
a1ec4d07 | 924 | v9->AddNode(wheela,1,combi3); |
925 | v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6)); | |
c1637e41 | 926 | //_____________________________________________________________ |
927 | // service support wheel | |
928 | //_____________________________________________________________ | |
929 | TGeoPgon *sw = new TGeoPgon(0.,20.,1,2); | |
930 | sw->DefineSection(0,-4.,80.5,251.75); | |
931 | sw->DefineSection(1,4.,80.5,251.75); | |
932 | TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al | |
933 | // | |
934 | thick=1.; | |
d899e254 | 935 | shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 936 | TGeoPgon *sh = new TGeoPgon(0.,20.,1,2); |
937 | sh->DefineSection(0,-4.,81.5-shift,250.75-shift); | |
938 | sh->DefineSection(1,4.,81.5-shift,250.75-shift); | |
939 | TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air | |
940 | // | |
74518339 | 941 | TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si"); |
942 | TGeoPgon *el = new TGeoPgon(0.,20.,1,2); | |
943 | el->DefineSection(0,-1.872,81.5-shift,250.75-shift); | |
944 | el->DefineSection(1,1.872,81.5-shift,250.75-shift); | |
945 | TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si | |
946 | // | |
947 | shv->AddNode(elv,1); | |
948 | // | |
949 | // | |
d899e254 | 950 | ys = shift*TMath::Sin(openingAngle); |
951 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 952 | swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.)); |
953 | // cover | |
954 | TGeoPgon *co = new TGeoPgon(0.,20.,1,2); | |
955 | co->DefineSection(0,-0.5,77.,255.25); | |
956 | co->DefineSection(1,0.5,77.,255.25); | |
957 | TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al | |
958 | // hole in a cover | |
959 | TGeoPgon *coh = new TGeoPgon(0.,20.,1,2); | |
d899e254 | 960 | shift=4./TMath::Sin(openingAngle); |
c1637e41 | 961 | coh->DefineSection(0,-0.5,85.-shift,247.25-shift); |
962 | coh->DefineSection(1,0.5,85.-shift,247.25-shift); | |
963 | // | |
964 | TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1); | |
965 | // | |
d899e254 | 966 | ys = shift*TMath::Sin(openingAngle); |
967 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 968 | cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.)); |
969 | // | |
970 | // Sector as an Assembly | |
971 | // | |
972 | TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC"); | |
973 | swhs->AddNode(swv,1); | |
974 | swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5)); | |
975 | swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5)); | |
976 | // | |
977 | // SSW as an Assembly of sectors | |
978 | // | |
5f174279 | 979 | TGeoRotation *rsw[18]; |
980 | TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL"); | |
c1637e41 | 981 | for(Int_t i =0;i<18;i++){ |
982 | Double_t phi = (20.*i); | |
5f174279 | 983 | rsw[i] = new TGeoRotation(); |
984 | rsw[i]->RotateZ(phi); | |
985 | swheel->AddNode(swhs,i+1,rsw[i]); | |
c1637e41 | 986 | } |
987 | v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6)); | |
988 | v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6)); | |
989 | ||
990 | // sensitive strips - strip "0" is always set | |
991 | // conditional | |
992 | Int_t totrows; | |
993 | totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp(); | |
994 | Double_t *upar; | |
995 | upar=NULL; | |
996 | gGeoManager->Volume("TPC_Strip","PGON",m5->GetId(),upar); | |
997 | upar=new Double_t [10]; | |
998 | upar[0]=0.; | |
999 | upar[1]=360.; | |
1000 | upar[2]=18.; | |
1001 | upar[3]=2.; | |
1002 | // | |
1003 | upar[4]=-124.8; | |
1004 | upar[7]=124.8; | |
1005 | ||
1006 | Double_t rlow=fTPCParam->GetPadRowRadiiLow(0); | |
1007 | ||
1008 | upar[5]=rlow; | |
1009 | upar[6]=rlow+.01; | |
1010 | upar[8]=upar[5]; | |
1011 | upar[9]=upar[6]; | |
1012 | // | |
1013 | gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
1014 | gGeoManager->Node("TPC_Strip",totrows+1, | |
1015 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
1016 | // | |
1017 | // now, strips optionally | |
1018 | // | |
1019 | if(fSens){ | |
1020 | //lower sectors | |
1021 | for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){ | |
1022 | rlow=fTPCParam->GetPadRowRadiiLow(i-1); | |
1023 | upar[5]=rlow; | |
1024 | upar[6]=rlow+.01; | |
1025 | upar[8]=upar[5]; | |
1026 | upar[9]=upar[6]; | |
1027 | gGeoManager->Node("TPC_Strip",i, | |
1028 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
1029 | gGeoManager->Node("TPC_Strip",totrows+i, | |
1030 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
1031 | } | |
1032 | //upper sectors | |
1033 | for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){ | |
1034 | rlow=fTPCParam->GetPadRowRadiiUp(i-1); | |
1035 | upar[5]=rlow; | |
1036 | upar[6]=rlow+.01; | |
1037 | upar[8]=upar[5]; | |
1038 | upar[9]=upar[6]; | |
1039 | gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(), | |
1040 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
1041 | gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(), | |
1042 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
1043 | } | |
1044 | }//strips | |
37831078 | 1045 | //---------------------------------------------------------- |
0f788f87 | 1046 | // TPC Support Rods - MAKROLON |
37831078 | 1047 | //---------------------------------------------------------- |
c1637e41 | 1048 | TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon"); |
1049 | TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu"); | |
78134e48 | 1050 | TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina"); |
c5d5037c | 1051 | TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");; |
0f788f87 | 1052 | TGeoMedium *m13 = gGeoManager->GetMedium("TPC_Brass"); |
1053 | // | |
1054 | // tpc rod is an assembly of 10 long parts and 2 short parts | |
1055 | // connected with alu rings and plagged on both sides. | |
79575d04 | 1056 | // |
c1637e41 | 1057 | // |
0f788f87 | 1058 | // tpc rod long |
1059 | // | |
1060 | TGeoPcon *rod = new TGeoPcon("rod",0.,360.,6); | |
1061 | rod->DefineSection(0,-10.43,1.92,2.08); | |
1062 | rod->DefineSection(1,-9.75,1.92,2.08); | |
1063 | ||
1064 | rod->DefineSection(2,-9.75,1.8,2.2); | |
1065 | rod->DefineSection(3,9.75,1.8,2.2); | |
1066 | ||
1067 | rod->DefineSection(4,9.75,1.92,2.08); | |
1068 | rod->DefineSection(5,10.43,1.92,2.08); | |
1069 | // | |
1070 | TGeoVolume *mrodl = new TGeoVolume("TPC_mrodl",rod,m6); | |
1071 | // | |
1072 | // tpc rod short | |
1073 | // | |
1074 | TGeoPcon *rod1 = new TGeoPcon("rod1",0.,360.,6); | |
1075 | rod1->DefineSection(0,-8.93,1.92,2.08); | |
1076 | rod1->DefineSection(1,-8.25,1.92,2.08); | |
1077 | ||
1078 | rod1->DefineSection(2,-8.25,1.8,2.2); | |
1079 | rod1->DefineSection(3,8.25,1.8,2.2); | |
1080 | ||
1081 | rod1->DefineSection(4,8.25,1.92,2.08); | |
1082 | rod1->DefineSection(5,8.93,1.92,2.08); | |
1083 | // | |
1084 | TGeoVolume *mrods = new TGeoVolume("TPC_mrods",rod1,m6); | |
1085 | // | |
1086 | // below is for the resistor rod | |
1087 | // | |
1088 | // hole for the brass connectors | |
1089 | // | |
1090 | ||
1091 | new TGeoTube("hhole",0.,0.3,0.3); | |
1092 | // | |
1093 | //transformations for holes - initialy they | |
1094 | // are placed at x=0 and negative y | |
1095 | // | |
1096 | TGeoRotation *rhole = new TGeoRotation(); | |
1097 | rhole->RotateX(90.); | |
1098 | TGeoCombiTrans *transf[13]; | |
1099 | Char_t name[30]; | |
1100 | for(Int_t i=0;i<13;i++){ | |
94e6c6f4 | 1101 | //sprintf(name,"transf%d",i); |
1102 | snprintf(name,30,"transf%d",i); | |
0f788f87 | 1103 | transf[i]= new TGeoCombiTrans(name,0.,-2.,-9.+i*1.5,rhole); |
1104 | transf[i]->RegisterYourself(); | |
1105 | } | |
1106 | // union expression for holes | |
1107 | TString operl("hhole:transf0"); | |
1108 | for (Int_t i=1;i<13;i++){ | |
94e6c6f4 | 1109 | //sprintf(name,"+hhole:transf%d",i); |
1110 | snprintf(name,30,"+hhole:transf%d",i); | |
0f788f87 | 1111 | operl.Append(name); |
1112 | } | |
78134e48 | 1113 | // |
0f788f87 | 1114 | TString opers("hhole:transf1"); |
1115 | for (Int_t i=2;i<12;i++){ | |
94e6c6f4 | 1116 | //sprintf(name,"+hhole:transf%d",i); |
1117 | snprintf(name,30,"+hhole:transf%d",i); | |
0f788f87 | 1118 | opers.Append(name); |
1119 | } | |
1120 | //union of holes | |
1121 | new TGeoCompositeShape("hlv",operl.Data()); | |
1122 | new TGeoCompositeShape("hsv",opers.Data()); | |
1123 | // | |
1124 | TGeoCompositeShape *rodl = new TGeoCompositeShape("rodl","rod-hlv"); | |
1125 | TGeoCompositeShape *rods = new TGeoCompositeShape("rods","rod1-hsv"); | |
1126 | //rods - volumes - makrolon rods with holes | |
1127 | TGeoVolume *rodlv = new TGeoVolume("TPC_rodl",rodl,m6); | |
1128 | TGeoVolume *rodsv = new TGeoVolume("TPC_rods",rods,m6); | |
1129 | //brass connectors | |
1130 | //connectors | |
1131 | TGeoTube *bcon = new TGeoTube(0.,0.3,0.3);//connectors | |
1132 | TGeoVolume *bconv = new TGeoVolume("TPC_bcon",bcon,m13); | |
1133 | // | |
1134 | // hooks holding strips | |
1135 | // | |
1136 | new TGeoBBox("hk1",0.625,0.015,0.75); | |
1137 | new TGeoBBox("hk2",0.625,0.015,0.15); | |
1138 | TGeoTranslation *tr21 = new TGeoTranslation("tr21",0.,-0.03,-0.6); | |
1139 | TGeoTranslation *tr12 = new TGeoTranslation("tr12",0.,-0.03,0.6); | |
1140 | tr21->RegisterYourself(); | |
1141 | tr12->RegisterYourself(); | |
1142 | ||
1143 | TGeoCompositeShape *hook = new TGeoCompositeShape("hook","hk1+hk2:tr21+hk2:tr12"); | |
1144 | TGeoVolume *hookv = new TGeoVolume("TPC_hook",hook,m13); | |
1145 | // | |
1146 | // assembly of the short rod with connectors and hooks | |
1147 | // | |
1148 | // | |
1149 | // short rod | |
1150 | // | |
1151 | TGeoVolumeAssembly *spart = new TGeoVolumeAssembly("TPC_spart"); | |
1152 | // | |
1153 | spart->AddNode( rodsv,1); | |
1154 | for(Int_t i=1;i<12;i++){ | |
1155 | spart->AddNode(bconv,i,transf[i]); | |
1156 | } | |
1157 | for(Int_t i =0;i<11;i++){ | |
ceb660a9 | 1158 | spart->AddNode(hookv,i+1,new TGeoTranslation(0.,-2.315,-7.5+i*1.5)); |
0f788f87 | 1159 | } |
1160 | // | |
1161 | // long rod | |
1162 | // | |
1163 | TGeoVolumeAssembly *lpart = new TGeoVolumeAssembly("TPC_lpart"); | |
1164 | // | |
1165 | lpart->AddNode( rodlv,1); | |
1166 | for(Int_t i=0;i<13;i++){ | |
ceb660a9 | 1167 | lpart->AddNode(bconv,i+12,transf[i]); |
0f788f87 | 1168 | } |
1169 | for(Int_t i =0;i<13;i++){ | |
ceb660a9 | 1170 | lpart->AddNode(hookv,i+12,new TGeoTranslation(0.,-2.315,-9.+i*1.5)); |
0f788f87 | 1171 | } |
1172 | // | |
1173 | // alu ring | |
1174 | // | |
1175 | new TGeoTube("ring1",2.1075,2.235,0.53); | |
1176 | new TGeoTube("ring2",1.7925,1.89,0.43); | |
1177 | new TGeoTube("ring3",1.89,2.1075,0.05); | |
1178 | TGeoCompositeShape *ring = new TGeoCompositeShape("ring","ring1+ring2+ring3"); | |
1179 | TGeoVolume *ringv = new TGeoVolume("TPC_ring",ring,m3); | |
1180 | // | |
1181 | // rod assembly | |
1182 | // | |
ceb660a9 | 1183 | TGeoVolumeAssembly *tpcrrod = new TGeoVolumeAssembly("TPC_rrod");//rrod |
0f788f87 | 1184 | TGeoVolumeAssembly *tpcmrod = new TGeoVolumeAssembly("TPC_mrod");//makrolon rod |
1185 | //long pieces | |
1186 | for(Int_t i=0;i<11;i++){ | |
ceb660a9 | 1187 | tpcrrod->AddNode(ringv,i+1,new TGeoTranslation(0.,0.,-105.+i*21)); |
0f788f87 | 1188 | tpcmrod->AddNode(ringv,i+12,new TGeoTranslation(0.,0.,-105.+i*21)); |
1189 | } | |
1190 | for(Int_t i=0;i<10;i++){ | |
ceb660a9 | 1191 | tpcrrod->AddNode(lpart,i+1,new TGeoTranslation(0.,0.,-94.5+i*21)); |
0f788f87 | 1192 | tpcmrod->AddNode(mrodl,i+1,new TGeoTranslation(0.,0.,-94.5+i*21)); |
1193 | } | |
78134e48 | 1194 | // |
0f788f87 | 1195 | // short pieces |
78134e48 | 1196 | // |
ceb660a9 | 1197 | tpcrrod->AddNode(spart,1,new TGeoTranslation(0.,0.,-114.)); |
1198 | tpcrrod->AddNode(spart,2,new TGeoTranslation(0.,0.,114.)); | |
1199 | tpcrrod->AddNode(ringv,23,new TGeoTranslation(0.,0.,-123.)); | |
1200 | tpcrrod->AddNode(ringv,24,new TGeoTranslation(0.,0.,123.)); | |
78134e48 | 1201 | // |
0f788f87 | 1202 | tpcmrod->AddNode(mrods,1,new TGeoTranslation(0.,0.,-114.)); |
1203 | tpcmrod->AddNode(mrods,2,new TGeoTranslation(0.,0.,114.)); | |
1204 | tpcmrod->AddNode(ringv,25,new TGeoTranslation(0.,0.,-123.)); | |
1205 | tpcmrod->AddNode(ringv,26,new TGeoTranslation(0.,0.,123.)); | |
1206 | // | |
1207 | // left plaque | |
78134e48 | 1208 | // |
0f788f87 | 1209 | TGeoPcon *lp = new TGeoPcon(0.,360.,4); |
78134e48 | 1210 | // |
0f788f87 | 1211 | lp->DefineSection(0,-125.8,1.92,2.235); |
1212 | lp->DefineSection(1,-124.8,1.92,2.235); | |
78134e48 | 1213 | // |
0f788f87 | 1214 | lp->DefineSection(2,-124.8,1.92,2.08); |
1215 | lp->DefineSection(3,-123.1,1.92,2.08); | |
78134e48 | 1216 | // |
0f788f87 | 1217 | TGeoVolume *lpv1 = new TGeoVolume("TPC_lpv1",lp,m6); |
1218 | TGeoVolume *lpv2 = new TGeoVolume("TPC_lpv2",lp,m6); | |
1219 | // left ring | |
1220 | TGeoTube *lr = new TGeoTube(2.1075,2.235,0.5); | |
1221 | TGeoVolume *lrv = new TGeoVolume("TPC_lrv",lr,m3); | |
78134e48 | 1222 | // |
0f788f87 | 1223 | lpv2->AddNode(lrv,1,new TGeoTranslation(0.,0.,-125.3)); |
78134e48 | 1224 | // |
ceb660a9 | 1225 | tpcrrod->AddNode(lpv2,1); |
0f788f87 | 1226 | tpcmrod->AddNode(lpv1,1); |
78134e48 | 1227 | // |
0f788f87 | 1228 | // right plaque |
78134e48 | 1229 | // |
f1447ab6 | 1230 | TGeoTube *rp = new TGeoTube(1.92,2.08,2.025); |
0f788f87 | 1231 | TGeoVolume *rpv = new TGeoVolume("TPC_rpv",rp,m6); |
f1447ab6 | 1232 | tpcrrod->AddNode(rpv,1, new TGeoTranslation(0.,0.,125.125)); |
1233 | tpcmrod->AddNode(rpv,2,new TGeoTranslation(0.,0.,125.125)); | |
78134e48 | 1234 | // |
a3d2be59 | 1235 | // |
0f788f87 | 1236 | //HV rods - makrolon + 0.58cm (diameter) Cu |
cf84f9b1 | 1237 | TGeoTube *hvr = new TGeoTube(0.,1.465,126.5); |
1238 | TGeoTube *hvc = new TGeoTube(0.,0.29,126.5); | |
0f788f87 | 1239 | // |
1240 | TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6); | |
1241 | TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7); | |
1242 | hvrv->AddNode(hvcv,1); | |
78134e48 | 1243 | // |
0f788f87 | 1244 | //resistor rod |
1245 | // | |
ceb660a9 | 1246 | TGeoTube *cr = new TGeoTube(0.,0.45,126.2); |
1247 | TGeoTube *cw = new TGeoTube(0.,0.15,126.2); | |
0f788f87 | 1248 | TGeoVolume *crv = new TGeoVolume("TPC_CR",cr,m10); |
ceb660a9 | 1249 | TGeoVolume *cwv = new TGeoVolume("TPC_W",cw,m12); |
0f788f87 | 1250 | // |
1251 | // ceramic rod with water | |
1252 | // | |
1253 | crv->AddNode(cwv,1); | |
1254 | // | |
1255 | //peek rod | |
1256 | // | |
ceb660a9 | 1257 | TGeoTube *pr =new TGeoTube(0.2,0.35,126.2); |
1258 | TGeoVolume *prv = new TGeoVolume("TPC_PR",pr,m11); | |
0f788f87 | 1259 | // |
1260 | // copper plates with connectors | |
1261 | // | |
1262 | new TGeoTube("tub",0.,1.7,0.025); | |
1263 | // | |
1264 | // half space - points on the plane and a normal vector | |
1265 | // | |
1266 | Double_t n[3],p[3]; | |
1267 | Double_t slope = TMath::Tan(22.*TMath::DegToRad()); | |
1268 | Double_t intp = 1.245; | |
1269 | // | |
1270 | Double_t b = slope*slope+1.; | |
1271 | p[0]=intp*slope/b; | |
1272 | p[1]=-intp/b; | |
1273 | p[2]=0.; | |
1274 | // | |
1275 | n[0]=-p[0]; | |
1276 | n[1]=-p[1]; | |
1277 | n[2]=0.; | |
1278 | Double_t norm; | |
1279 | norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]); | |
1280 | n[0] /= norm; | |
1281 | n[1] /=norm; | |
1282 | // | |
1283 | new TGeoHalfSpace("sp1",p,n); | |
1284 | // | |
1285 | slope = -slope; | |
1286 | // | |
1287 | p[0]=intp*slope/b; | |
1288 | p[1]=-intp/b; | |
1289 | // | |
1290 | n[0]=-p[0]; | |
1291 | n[1]=-p[1]; | |
1292 | norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]); | |
1293 | n[0] /= norm; | |
1294 | n[1] /=norm; | |
1295 | // | |
1296 | new TGeoHalfSpace("sp2",p,n); | |
1297 | // holes for rods | |
1298 | //holes | |
1299 | new TGeoTube("h1",0.,0.5,0.025); | |
1300 | new TGeoTube("h2",0.,0.35,0.025); | |
1301 | //translations: | |
1302 | TGeoTranslation *ttr11 = new TGeoTranslation("ttr11",-0.866,0.5,0.); | |
1303 | TGeoTranslation *ttr22 = new TGeoTranslation("ttr22",0.866,0.5,0.); | |
1304 | ttr11->RegisterYourself(); | |
1305 | ttr22->RegisterYourself(); | |
1306 | // elastic connector | |
1307 | new TGeoBBox("elcon",0.72,0.005,0.3); | |
1308 | TGeoRotation *crr1 = new TGeoRotation(); | |
1309 | crr1->RotateZ(-22.); | |
1310 | TGeoCombiTrans *ctr1 = new TGeoCombiTrans("ctr1",-0.36011, -1.09951,-0.325,crr1); | |
1311 | ctr1->RegisterYourself(); | |
1312 | TGeoCompositeShape *cs1 = new TGeoCompositeShape("cs1", | |
1313 | "(((((tub-h1:ttr11)-h1:ttr22)-sp1)-sp2)-h2)+elcon:ctr1"); | |
1314 | // | |
1315 | 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 | // | |
ceb660a9 | 1320 | TGeoVolumeAssembly *rrod = new TGeoVolumeAssembly("TPC_RRIN"); |
0f788f87 | 1321 | // rods |
1322 | rrod->AddNode(crv,1,ttr11); | |
1323 | rrod->AddNode(crv,2,ttr22); | |
1324 | rrod->AddNode(prv,1); | |
1325 | //Cu plates | |
1326 | for(Int_t i=0;i<165;i++){ | |
1327 | rrod->AddNode(csvv,i+1,new TGeoTranslation(0.,0.,-122.675+i*1.5)); | |
1328 | } | |
1329 | //resistors | |
1330 | TGeoTube *res = new TGeoTube(0.,0.15,0.5); | |
1331 | TGeoVolume *resv = new TGeoVolume("TPC_RES",res,m10); | |
1332 | TGeoVolumeAssembly *ress = new TGeoVolumeAssembly("TPC_RES_CH"); | |
1333 | ress->AddNode(resv,1,new TGeoTranslation(0.2,0.,0.)); | |
1334 | ress->AddNode(resv,2,new TGeoTranslation(-0.2,0.,0.)); | |
1335 | // | |
1336 | TGeoRotation *crr2 = new TGeoRotation(); | |
1337 | crr2->RotateY(30.); | |
1338 | TGeoRotation *crr3 = new TGeoRotation(); | |
1339 | crr3->RotateY(-30.); | |
1340 | // | |
1341 | for(Int_t i=0;i<164;i+=2){ | |
1342 | rrod->AddNode(ress,i+1, new TGeoCombiTrans(0.,1.2,-121.925+i*1.5,crr2)); | |
1343 | rrod->AddNode(ress,i+2, new TGeoCombiTrans(0.,1.2,-121.925+(i+1)*1.5,crr3)); | |
1344 | } | |
ceb660a9 | 1345 | |
d00b3fc6 | 1346 | tpcrrod->AddNode(rrod,1,new TGeoCombiTrans(0.,0.,0.5,crr1)); |
7f96259a | 1347 | // |
1348 | // guard ring resistor chain | |
1349 | // | |
232c5b28 | 1350 | |
1351 | TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc | |
7f96259a | 1352 | // |
1353 | TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m10); | |
232c5b28 | 1354 | |
7f96259a | 1355 | // |
1356 | Double_t xrc,yrc; | |
1357 | // | |
7f96259a | 1358 | xrc=79.3*TMath::Cos(350.*TMath::DegToRad()); |
1359 | yrc=79.3*TMath::Sin(350.*TMath::DegToRad()); | |
1360 | // | |
232c5b28 | 1361 | v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9)); |
1362 | v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9)); | |
1363 | // | |
e079adac | 1364 | xrc=79.3*TMath::Cos(190.*TMath::DegToRad()); |
1365 | yrc=79.3*TMath::Sin(190.*TMath::DegToRad()); | |
232c5b28 | 1366 | // |
1367 | v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9)); | |
1368 | v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9)); | |
0f788f87 | 1369 | //------------------------------------------------------------------ |
1370 | TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.); | |
1371 | TGeoRotation rotrod("rotrod"); | |
0f788f87 | 1372 | // |
2d1d58a6 | 1373 | TGeoRotation *rotpos[2]; |
1374 | // | |
1375 | TGeoRotation *rotrod1[2]; | |
c449e944 | 1376 | TGeoTubeSeg *irh = new TGeoTubeSeg(78.825,79.25,1.5,358.5,1.5); |
1377 | TGeoTubeSeg *orh = new TGeoTubeSeg(256.5,257.95,1.5,359.5,0.5); | |
1378 | TGeoTubeSeg *ohh = new TGeoTubeSeg(256.5,257.95,1.5,9.5,10.5); | |
1379 | TGeoVolume *irhv = new TGeoVolume("TPC_IRHH",irh,m4); | |
1380 | TGeoVolume *orhv = new TGeoVolume("TPC_ORHH",orh,m4); | |
1381 | TGeoVolume *ohhv = new TGeoVolume("TPC_OHVHH",ohh,m4); | |
0f788f87 | 1382 | |
1383 | //v9 - drift gas | |
1384 | ||
7281dc07 | 1385 | for(Int_t i=0;i<18;i++){ |
c1637e41 | 1386 | Double_t angle,x,y; |
1387 | Double_t z,r; | |
1388 | angle=TMath::DegToRad()*20.*(Double_t)i; | |
c449e944 | 1389 | TGeoRotation *roth = new TGeoRotation(); //rotation for rod holders |
1390 | roth->RotateZ(angle); | |
0f788f87 | 1391 | //inner rods |
c1637e41 | 1392 | r=81.5; |
1393 | x=r * TMath::Cos(angle); | |
1394 | y=r * TMath::Sin(angle); | |
cf84f9b1 | 1395 | z = 126.1; |
78134e48 | 1396 | // |
c449e944 | 1397 | v9->AddNode(irhv,i+1,roth); |
1398 | v9->AddNode(orhv,i+1,roth); | |
1399 | v9->AddNode(ohhv,i+1,roth); | |
1400 | // | |
0f788f87 | 1401 | if(i==11){//resistor rod inner |
1402 | rotrod.RotateZ(-90.+angle); | |
2d1d58a6 | 1403 | rotrod1[0]= new TGeoRotation(); |
1404 | rotpos[0]= new TGeoRotation(); | |
1405 | // | |
1406 | rotrod1[0]->RotateZ(-90.+angle); | |
1407 | *rotpos[0] = refl*rotrod; //rotation+reflection | |
ceb660a9 | 1408 | v9->AddNode(tpcrrod,1,new TGeoCombiTrans(x,y, z, rotrod1[0])); //A |
1409 | v9->AddNode(tpcrrod,2,new TGeoCombiTrans(x,y,-z, rotpos[0])); //C | |
78134e48 | 1410 | } |
1411 | else { | |
0f788f87 | 1412 | v9->AddNode(tpcmrod,i+1,new TGeoTranslation(x,y,z));//shaft |
1413 | v9->AddNode(tpcmrod,i+19,new TGeoCombiTrans(x,y,-z,ref));//muon | |
c1637e41 | 1414 | } |
0f788f87 | 1415 | // outer rods |
c1637e41 | 1416 | r=254.25; |
1417 | x=r * TMath::Cos(angle); | |
1418 | y=r * TMath::Sin(angle); | |
cf84f9b1 | 1419 | z=126.3; |
78134e48 | 1420 | // |
0f788f87 | 1421 | if(i==3){//resistor rod outer |
1422 | rotrod.RotateZ(90.+angle); | |
2d1d58a6 | 1423 | rotrod1[1]= new TGeoRotation(); |
1424 | rotpos[1]= new TGeoRotation(); | |
1425 | rotrod1[1]->RotateZ(90.+angle); | |
1426 | *rotpos[1] = refl*rotrod;//rotation+reflection | |
ceb660a9 | 1427 | v9->AddNode(tpcrrod,3,new TGeoCombiTrans(x,y, z, rotrod1[1])); //A |
1428 | v9->AddNode(tpcrrod,4,new TGeoCombiTrans(x,y, -z, rotpos[1])); //C | |
78134e48 | 1429 | } |
0f788f87 | 1430 | else { |
1431 | v9->AddNode(tpcmrod,i+37,new TGeoTranslation(x,y,z));//shaft | |
1432 | v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon | |
78134e48 | 1433 | } |
0f788f87 | 1434 | if(i==15){ |
cf84f9b1 | 1435 | v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z+0.7)); //hv->A-side only |
78134e48 | 1436 | } |
0f788f87 | 1437 | } //end of rods positioning |
69776907 | 1438 | |
bde68ab0 | 1439 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); |
1440 | alice->AddNode(v1,1); | |
c1637e41 | 1441 | |
37831078 | 1442 | } // end of function |
1443 | ||
ac81c411 | 1444 | //_____________________________________________________________________________ |
1445 | void AliTPCv2::AddAlignableVolumes() const | |
1446 | { | |
1447 | // | |
1448 | // Create entries for alignable volumes associating the symbolic volume | |
1449 | // name with the corresponding volume path. Needs to be syncronized with | |
1450 | // eventual changes in the geometry. | |
1451 | // | |
1452 | SetInnerChambersAlignable(); | |
1453 | SetOuterChambersAlignable(); | |
1454 | } | |
1455 | ||
1456 | //_____________________________________________________________________________ | |
1457 | void AliTPCv2::SetInnerChambersAlignable() const | |
1458 | { | |
1459 | // | |
cdf69b9a | 1460 | AliGeomManager::ELayerID idTPC1 = AliGeomManager::kTPC1; |
1461 | Int_t modUID, modnum = 0; | |
d899e254 | 1462 | TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_"; |
1463 | TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_"; | |
1464 | TString vpappend = "/TPC_IROC_1"; | |
1465 | TString snstr1="TPC/EndcapA/Sector"; | |
1466 | TString snstr2="TPC/EndcapC/Sector"; | |
1467 | TString snappend="/InnerChamber"; | |
ac81c411 | 1468 | TString volpath, symname; |
1469 | ||
1ac29fc4 | 1470 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 1471 | modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++); |
1ac29fc4 | 1472 | volpath = vpstr1; |
1473 | volpath += cnt; | |
1474 | volpath += vpappend; | |
1475 | symname = snstr1; | |
1476 | symname += cnt; | |
1477 | symname += snappend; | |
cdf69b9a | 1478 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1479 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1480 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1481 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1482 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1); |
1483 | alignableEntry->SetMatrix(matTtoL); | |
1ac29fc4 | 1484 | } |
65293f49 | 1485 | |
ac81c411 | 1486 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 1487 | modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++); |
d899e254 | 1488 | volpath = vpstr2; |
ac81c411 | 1489 | volpath += cnt; |
d899e254 | 1490 | volpath += vpappend; |
1491 | symname = snstr2; | |
ac81c411 | 1492 | symname += cnt; |
d899e254 | 1493 | symname += snappend; |
cdf69b9a | 1494 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1495 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1496 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1497 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1498 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1); |
1499 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 1500 | } |
1501 | } | |
1502 | ||
ac81c411 | 1503 | //_____________________________________________________________________________ |
1504 | void AliTPCv2::SetOuterChambersAlignable() const | |
1505 | { | |
1506 | // | |
cdf69b9a | 1507 | AliGeomManager::ELayerID idTPC2 = AliGeomManager::kTPC2; |
1508 | Int_t modUID, modnum = 0; | |
d899e254 | 1509 | TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_"; |
1510 | TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_"; | |
1511 | TString vpappend = "/TPC_OROC_1"; | |
1512 | TString snstr1="TPC/EndcapA/Sector"; | |
1513 | TString snstr2="TPC/EndcapC/Sector"; | |
1514 | TString snappend="/OuterChamber"; | |
ac81c411 | 1515 | TString volpath, symname; |
1516 | ||
1517 | for(Int_t cnt=1; cnt<=18; cnt++){ | |
cdf69b9a | 1518 | modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++); |
d899e254 | 1519 | volpath = vpstr1; |
ac81c411 | 1520 | volpath += cnt; |
d899e254 | 1521 | volpath += vpappend; |
1522 | symname = snstr1; | |
ac81c411 | 1523 | symname += cnt; |
d899e254 | 1524 | symname += snappend; |
cdf69b9a | 1525 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1526 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1527 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1528 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1529 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1); |
1530 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 1531 | } |
84cbbd90 | 1532 | |
ac81c411 | 1533 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 1534 | modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++); |
d899e254 | 1535 | volpath = vpstr2; |
ac81c411 | 1536 | volpath += cnt; |
d899e254 | 1537 | volpath += vpappend; |
1538 | symname = snstr2; | |
ac81c411 | 1539 | symname += cnt; |
d899e254 | 1540 | symname += snappend; |
cdf69b9a | 1541 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1542 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1543 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1544 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1545 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1); |
1546 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 1547 | } |
1548 | } | |
1549 | ||
37831078 | 1550 | |
1551 | //_____________________________________________________________________________ | |
1552 | void AliTPCv2::CreateMaterials() | |
1553 | { | |
1554 | // | |
1555 | // Define materials for version 2 of the Time Projection Chamber | |
1556 | // | |
1557 | ||
1558 | AliTPC::CreateMaterials(); | |
1559 | } | |
1560 | ||
1561 | //_____________________________________________________________________________ | |
1562 | void AliTPCv2::Init() | |
1563 | { | |
1564 | // | |
1565 | // Initialises version 2 of the TPC after that it has been built | |
1566 | // | |
1567 | ||
1568 | Int_t *idtmed = fIdtmed->GetArray(); | |
1569 | ||
1570 | AliTPC::Init(); | |
d4c354b9 | 1571 | |
c1637e41 | 1572 | |
1573 | fIdSens=gMC->VolId("TPC_Strip"); // one strip is always selected... | |
d4c354b9 | 1574 | |
c1637e41 | 1575 | fIDrift=gMC->VolId("TPC_Drift"); |
1576 | fSecOld=-100; // fake number | |
37831078 | 1577 | |
d9888f70 | 1578 | gMC->SetMaxNStep(-30000); // max. number of steps increased |
37831078 | 1579 | |
4481461d | 1580 | if (fPrimaryIonisation) { |
098dfc1a | 1581 | // for FLUKA |
4481461d | 1582 | gMC->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential |
1583 | ||
1584 | gMC->Gstpar(idtmed[2],"PRIMIO_N", 14.35); | |
1585 | gMC->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss | |
8143dfb2 | 1586 | gMC->Gstpar(idtmed[2],"STRA",4); |
098dfc1a | 1587 | } |
1588 | // specific energy loss for geant3 is now defined in galice.cuts | |
4481461d | 1589 | |
37831078 | 1590 | |
a9d15241 | 1591 | AliDebug(1,"*** TPC version 2 initialized ***"); |
1592 | AliDebug(1,Form("Maximum number of steps = %d",gMC->GetMaxNStep())); | |
37831078 | 1593 | |
1594 | // | |
fe4da5cc | 1595 | |
1596 | } | |
1597 | ||
1598 | //_____________________________________________________________________________ | |
1599 | void AliTPCv2::StepManager() | |
1600 | { | |
1601 | // | |
1602 | // Called for every step in the Time Projection Chamber | |
1603 | // | |
1604 | ||
1605 | // | |
1606 | // parameters used for the energy loss calculations | |
1607 | // | |
73042f01 | 1608 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1609 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1610 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
ec6ac410 | 1611 | const Int_t kMaxDistRef =15; // maximal difference between 2 stored references |
fe4da5cc | 1612 | |
73042f01 | 1613 | const Float_t kbig = 1.e10; |
fe4da5cc | 1614 | |
1615 | Int_t id,copy; | |
e61fd20d | 1616 | Float_t hits[5]; |
fe4da5cc | 1617 | Int_t vol[2]; |
37831078 | 1618 | TLorentzVector p; |
fe4da5cc | 1619 | |
37831078 | 1620 | vol[1]=0; // preset row number to 0 |
fe4da5cc | 1621 | // |
f6a67d69 | 1622 | if (!fPrimaryIonisation) gMC->SetMaxStep(kbig); |
fe4da5cc | 1623 | |
0a6d8768 | 1624 | if(!gMC->IsTrackAlive()) return; // particle has disappeared |
fe4da5cc | 1625 | |
cfce8870 | 1626 | Float_t charge = gMC->TrackCharge(); |
fe4da5cc | 1627 | |
1628 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1629 | ||
37831078 | 1630 | // check the sensitive volume |
1631 | ||
c1637e41 | 1632 | id = gMC->CurrentVolID(copy); // vol ID and copy number (starts from 1!) |
1633 | if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume | |
da33556f | 1634 | |
2ddbb964 | 1635 | if ( fPrimaryIonisation && id == fIDrift ) { |
1636 | Double_t rnd = gMC->GetRandom()->Rndm(); | |
1637 | gMC->SetMaxStep(0.2+(2.*rnd-1.)*0.05); // 2 mm +- rndm*0.5mm step | |
1638 | } | |
1639 | ||
1640 | //if ( fPrimaryIonisation && id == fIDrift && gMC->IsTrackEntering()) { | |
1641 | // gMC->SetMaxStep(0.2); // 2 mm | |
1642 | //} | |
1643 | ||
c1637e41 | 1644 | gMC->TrackPosition(p); |
1645 | Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1646 | // | |
1647 | ||
1648 | // | |
1649 | Double_t angle = TMath::ACos(p[0]/r); | |
1650 | angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle; | |
1651 | // | |
1652 | // angular segment, it is not a real sector number... | |
1653 | // | |
1654 | Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/ | |
1655 | fTPCParam->GetInnerAngle()); | |
1656 | // rotate to segment "0" | |
1657 | Float_t cos,sin; | |
1658 | fTPCParam->AdjustCosSin(sector,cos,sin); | |
1659 | Float_t x1=p[0]*cos + p[1]*sin; | |
1660 | // check if within sector's limits | |
5bd5dbc4 | 1661 | if((x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp()) |
1662 | ||(x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp())){ | |
c1637e41 | 1663 | // calculate real sector number... |
1664 | if (x1>fTPCParam->GetOuterRadiusLow()){ | |
1665 | sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/ | |
1666 | fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector(); | |
1667 | if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1); | |
37831078 | 1668 | } |
c1637e41 | 1669 | else |
1670 | if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1); | |
1671 | // | |
1672 | // here I have a sector number | |
1673 | // | |
37831078 | 1674 | |
c1637e41 | 1675 | vol[0]=sector; |
ec6ac410 | 1676 | |
1677 | static Double_t lastReferenceR=0; | |
1678 | if (TMath::Abs(lastReferenceR-r)>kMaxDistRef){ | |
1679 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC); | |
1680 | lastReferenceR = r; | |
1681 | } | |
1682 | ||
c1637e41 | 1683 | // check if change of sector |
1684 | if(sector != fSecOld){ | |
1685 | fSecOld=sector; | |
1686 | // add track reference | |
e6add757 | 1687 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC); |
c1637e41 | 1688 | } |
1689 | // track is in the sensitive strip | |
1690 | if(id == fIdSens){ | |
1691 | // track is entering the strip | |
1692 | if (gMC->IsTrackEntering()){ | |
1693 | Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp(); | |
1694 | vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows; | |
1695 | // row numbers are autonomous for lower and upper sectors | |
1696 | if(vol[0] > fTPCParam->GetNInnerSector()) { | |
1697 | vol[1] -= fTPCParam->GetNRowLow(); | |
1698 | } | |
1699 | // | |
1700 | if(vol[0]<fTPCParam->GetNInnerSector()&&vol[1] == 0){ | |
37831078 | 1701 | |
c1637e41 | 1702 | // lower sector, row 0, because Jouri wants to have this |
37831078 | 1703 | |
c1637e41 | 1704 | gMC->TrackMomentum(p); |
1705 | hits[0]=p[0]; | |
1706 | hits[1]=p[1]; | |
1707 | hits[2]=p[2]; | |
1708 | hits[3]=0.; // this hit has no energy loss | |
1709 | // Get also the track time for pileup simulation | |
1710 | hits[4]=gMC->TrackTime(); | |
6a905708 | 1711 | |
c1637e41 | 1712 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); |
1713 | } | |
1714 | // | |
e61fd20d | 1715 | |
c1637e41 | 1716 | gMC->TrackPosition(p); |
1717 | hits[0]=p[0]; | |
1718 | hits[1]=p[1]; | |
1719 | hits[2]=p[2]; | |
1720 | hits[3]=0.; // this hit has no energy loss | |
1721 | // Get also the track time for pileup simulation | |
1722 | hits[4]=gMC->TrackTime(); | |
930ee558 | 1723 | |
c1637e41 | 1724 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); |
37831078 | 1725 | |
c1637e41 | 1726 | } |
1727 | else return; | |
1728 | } | |
37831078 | 1729 | //----------------------------------------------------------------- |
c1637e41 | 1730 | // charged particle is in the sensitive drift volume |
37831078 | 1731 | //----------------------------------------------------------------- |
cfce8870 | 1732 | if(gMC->TrackStep() > 0) { |
b97617a6 | 1733 | Int_t nel=0; |
1734 | if (!fPrimaryIonisation) { | |
1735 | nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; | |
1736 | } | |
1737 | else { | |
63414189 | 1738 | static Double_t deForNextStep = 0.; |
1739 | // Geant4 (the meaning of Edep as in Geant3) - wrong | |
1740 | //nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; | |
1741 | ||
1742 | // Geant4 (the meaning of Edep as in Geant3) - NEW | |
1743 | Double_t eAvailable = gMC->Edep() + deForNextStep; | |
1744 | nel = (Int_t)(eAvailable/kwIon); | |
1745 | deForNextStep = eAvailable - nel*kwIon; | |
b97617a6 | 1746 | } |
fe4da5cc | 1747 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
c1637e41 | 1748 | // |
37831078 | 1749 | gMC->TrackPosition(p); |
1750 | hits[0]=p[0]; | |
1751 | hits[1]=p[1]; | |
1752 | hits[2]=p[2]; | |
fe4da5cc | 1753 | hits[3]=(Float_t)nel; |
c1637e41 | 1754 | |
fe4da5cc | 1755 | // Add this hit |
c1637e41 | 1756 | |
97d77e7a | 1757 | // if (fHitType&&2){ |
1758 | if(fHitType){ | |
6a905708 | 1759 | gMC->TrackMomentum(p); |
1760 | Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1761 | Float_t precision = (momentum>0.1) ? 0.002 :0.01; | |
1762 | fTrackHits->SetHitPrecision(precision); | |
1763 | } | |
e61fd20d | 1764 | |
1765 | // Get also the track time for pileup simulation | |
1766 | hits[4]=gMC->TrackTime(); | |
c1637e41 | 1767 | |
1768 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); | |
0f2ff24c | 1769 | if (fDebugStreamer){ |
1770 | // You can dump here what you need | |
1771 | // function CreateDebugStremer() to be called in the Config.C macro | |
1772 | // if you want to enable it | |
1773 | // By default debug streaemer is OFF | |
1774 | Float_t edep = gMC->Edep(); | |
1775 | Float_t tstep = gMC->TrackStep(); | |
1776 | Int_t pid=gMC->TrackPid(); | |
1777 | (*fDebugStreamer)<<"hit"<< | |
1778 | "x="<<hits[0]<< // hit position | |
1779 | "y="<<hits[1]<< | |
1780 | "z="<<hits[2]<< | |
1781 | "nel="<<hits[3]<< // number of electorns | |
1782 | "tof="<<hits[4]<< // hit TOF | |
1783 | "edep="<<edep<< // energy deposit | |
1784 | "pid="<<pid<< // pid | |
1785 | "step="<<tstep<< | |
1786 | "p.="<<&p<< | |
1787 | "\n"; | |
1788 | } | |
1789 | ||
c1637e41 | 1790 | } // step>0 |
1791 | } //within sector's limits | |
fe4da5cc | 1792 | // Stemax calculation for the next step |
1793 | ||
1794 | Float_t pp; | |
0a6d8768 | 1795 | TLorentzVector mom; |
b97617a6 | 1796 | // below is valid only for Geant3 (fPromaryIonisation not set) |
1797 | if(!fPrimaryIonisation){ | |
1798 | gMC->TrackMomentum(mom); | |
1799 | Float_t ptot=mom.Rho(); | |
1800 | Float_t betaGamma = ptot/gMC->TrackMass(); | |
595bf2c3 | 1801 | |
b97617a6 | 1802 | Int_t pid=gMC->TrackPid(); |
1803 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) | |
1804 | { | |
1805 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! | |
1806 | } | |
1807 | else | |
1808 | { | |
1809 | ||
1810 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg | |
b40afa5e | 1811 | pp=kprim*AliMathBase::BetheBlochAleph(betaGamma); |
595bf2c3 | 1812 | |
fe4da5cc | 1813 | } |
1814 | ||
b97617a6 | 1815 | Double_t rnd = gMC->GetRandom()->Rndm(); |
fe4da5cc | 1816 | |
b97617a6 | 1817 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); |
1818 | } | |
c1637e41 | 1819 | |
fe4da5cc | 1820 | } |
1821 | ||
73042f01 | 1822 |