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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" |
6c0ba48f | 55 | #include "TGeoArb8.h" |
1ac29fc4 | 56 | |
a11596ad | 57 | using std::ifstream; |
58 | using std::ios_base; | |
566637aa | 59 | extern "C"{ |
60 | Gas gaspar_; | |
61 | }; | |
c1637e41 | 62 | ClassImp(AliTPCv2) |
63 | ||
64 | //_____________________________________________________________________________ | |
65 | AliTPCv2::AliTPCv2(const char *name, const char *title) : | |
e046d791 | 66 | AliTPC(name, title), |
67 | fIdSens(0), | |
68 | fIDrift(0), | |
69 | fSecOld(0) | |
c1637e41 | 70 | { |
71 | // | |
72 | // Standard constructor for Time Projection Chamber version 2 | |
73 | // | |
6a905708 | 74 | |
37831078 | 75 | |
c1637e41 | 76 | SetBufferSize(128000); |
566637aa | 77 | if(!fTPCParam) {AliFatal("TPC parameters not set"); |
78 | return; | |
79 | } | |
80 | gaspar_.fpot=fTPCParam->GetFpot(); | |
81 | gaspar_.eend=fTPCParam->GetEend(); | |
82 | gaspar_.eexpo=fTPCParam->GetExp(); | |
83 | ||
79575d04 | 84 | |
c1637e41 | 85 | } |
86 | ||
87 | //_____________________________________________________________________________ | |
88 | void AliTPCv2::CreateGeometry() | |
89 | { | |
90 | // | |
91 | // Create the geometry of Time Projection Chamber version 2 | |
92 | // | |
93 | //Begin_Html | |
94 | /* | |
95 | <img src="picts/AliTPC.gif"> | |
96 | */ | |
97 | //End_Html | |
98 | //Begin_Html | |
99 | /* | |
100 | <img src="picts/AliTPCv2Tree.gif"> | |
101 | */ | |
102 | //End_Html | |
37831078 | 103 | |
104 | //---------------------------------------------------------- | |
c1637e41 | 105 | // This geometry is written using TGeo class |
106 | // Firstly the shapes are defined, and only then the volumes | |
107 | // What is recognized by the MC are volumes | |
37831078 | 108 | //---------------------------------------------------------- |
c1637e41 | 109 | // |
110 | // tpc - this will be the mother volume | |
111 | // | |
37831078 | 112 | |
c1637e41 | 113 | // |
114 | // here I define a volume TPC | |
115 | // retrive the medium name with "TPC_" as a leading string | |
116 | // | |
24c46a8e | 117 | TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections |
c1637e41 | 118 | // |
24c46a8e | 119 | tpc->DefineSection(0,-289.6,77.,278.); |
120 | tpc->DefineSection(1,-262.1,77.,278.); | |
c1637e41 | 121 | // |
24c46a8e | 122 | tpc->DefineSection(2,-262.1,83.1,278.); |
123 | tpc->DefineSection(3,-260.,83.1,278.); | |
c1637e41 | 124 | // |
24c46a8e | 125 | tpc->DefineSection(4,-260.,70.,278.); |
126 | tpc->DefineSection(5,-259.6,70.,278.); | |
c1637e41 | 127 | // |
24c46a8e | 128 | tpc->DefineSection(6,-259.6,68.1,278.); |
129 | tpc->DefineSection(7,-253.6,68.1,278.); | |
c1637e41 | 130 | // |
c5d5037c | 131 | tpc->DefineSection(8,-253.6,67.88,278.);//hs |
132 | tpc->DefineSection(9,-74.0,60.68,278.);// hs | |
c1637e41 | 133 | // |
24c46a8e | 134 | tpc->DefineSection(10,-74.0,60.1,278.); |
135 | tpc->DefineSection(11,-73.3,60.1,278.); | |
c1637e41 | 136 | // |
24c46a8e | 137 | tpc->DefineSection(12,-73.3,56.9,278.); |
138 | tpc->DefineSection(13,-68.5,56.9,278.); | |
c1637e41 | 139 | // |
24c46a8e | 140 | tpc->DefineSection(14,-68.5,60.,278.); |
141 | tpc->DefineSection(15,-64.7,60.,278.); | |
78134e48 | 142 | // |
24c46a8e | 143 | tpc->DefineSection(16,-64.7,56.9,278.); |
144 | tpc->DefineSection(17,73.3,56.9,278.); | |
78134e48 | 145 | // |
24c46a8e | 146 | tpc->DefineSection(18,73.3,60.1,278.); |
147 | tpc->DefineSection(19,74.0,60.1,278.); | |
efe14311 | 148 | // |
c5d5037c | 149 | tpc->DefineSection(20,74.0,60.68,278.);// hs |
150 | tpc->DefineSection(21,253.6,65.38,278.);// hs | |
efe14311 | 151 | // |
24c46a8e | 152 | tpc->DefineSection(22,253.6,65.6,278.); |
153 | tpc->DefineSection(23,259.6,65.6,278.); | |
4fb9bd37 | 154 | // |
24c46a8e | 155 | tpc->DefineSection(24,259.6,70.0,278.); |
156 | tpc->DefineSection(25,260.,70.0,278.); | |
4fb9bd37 | 157 | // |
24c46a8e | 158 | tpc->DefineSection(26,260.,83.1,278.); |
159 | tpc->DefineSection(27,262.1,83.1,278.); | |
160 | // | |
161 | tpc->DefineSection(28,262.1,77.,278); | |
162 | tpc->DefineSection(29,289.6,77.,278.); | |
c1637e41 | 163 | // |
164 | TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air"); | |
165 | TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1); | |
166 | // | |
167 | // drift volume - sensitive volume, extended beyond the | |
168 | // endcaps, because of the alignment | |
169 | // | |
170 | TGeoPcon *dvol = new TGeoPcon(0.,360.,6); | |
171 | dvol->DefineSection(0,-260.,74.5,264.4); | |
172 | dvol->DefineSection(1,-253.6,74.5,264.4); | |
173 | // | |
174 | dvol->DefineSection(2,-253.6,76.6774,258.); | |
175 | dvol->DefineSection(3,253.6,76.6774,258.); | |
176 | // | |
177 | dvol->DefineSection(4,253.6,74.5,264.4); | |
178 | dvol->DefineSection(5,260.,74.5,264.4); | |
179 | // | |
a964d561 | 180 | TGeoMedium *m5 = gGeoManager->GetMedium("TPC_DriftGas2"); |
c1637e41 | 181 | TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5); |
182 | // | |
183 | v1->AddNode(v9,1); | |
184 | // | |
185 | // outer insulator | |
186 | // | |
187 | TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator | |
188 | // | |
189 | tpco->DefineSection(0,-256.6,264.8,278.); | |
190 | tpco->DefineSection(1,-253.6,264.8,278.); | |
191 | // | |
192 | tpco->DefineSection(2,-253.6,258.,278.); | |
193 | tpco->DefineSection(3,250.6,258.,278.); | |
194 | // | |
195 | tpco->DefineSection(4,250.6,258.,275.5); | |
196 | tpco->DefineSection(5,253.6,258.,275.5); | |
197 | // | |
198 | TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2"); | |
199 | TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2); | |
200 | // | |
c449e944 | 201 | TGeoRotation *segrot;//segment rotations |
202 | // | |
c1637e41 | 203 | // outer containment vessel |
204 | // | |
205 | TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel | |
206 | // | |
207 | tocv->DefineSection(0,-256.6,264.8,278.); | |
208 | tocv->DefineSection(1,-253.6,264.8,278.); | |
209 | // | |
210 | tocv->DefineSection(2,-253.6,274.8124,278.); | |
211 | tocv->DefineSection(3,247.6,274.8124,278.); | |
212 | // | |
213 | tocv->DefineSection(4,247.6,270.4,278.); | |
214 | tocv->DefineSection(5,250.6,270.4,278.); | |
215 | // | |
216 | TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al"); | |
217 | TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3); | |
218 | // | |
c449e944 | 219 | TGeoTubeSeg *to1 = new TGeoTubeSeg(274.8174,277.995,252.1,0.,59.9); //epoxy |
220 | TGeoTubeSeg *to2 = new TGeoTubeSeg(274.8274,277.985,252.1,0.,59.9); //tedlar | |
221 | TGeoTubeSeg *to3 = new TGeoTubeSeg(274.8312,277.9812,252.1,0.,59.9);//prepreg2 | |
222 | TGeoTubeSeg *to4 = new TGeoTubeSeg(274.9062,277.9062,252.1,0.,59.9);//nomex | |
223 | TGeoTubeSeg *tog5 = new TGeoTubeSeg(274.8174,277.995,252.1,59.9,60.);//epoxy | |
c1637e41 | 224 | // |
225 | TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy"); | |
226 | TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar"); | |
227 | TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2"); | |
228 | TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex"); | |
229 | // | |
6c0ba48f | 230 | TGeoMedium *smep = gGeoManager->GetMedium("TPC_Epoxy1"); |
231 | // | |
c1637e41 | 232 | TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1); |
233 | TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2); | |
234 | TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3); | |
235 | TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4); | |
c449e944 | 236 | TGeoVolume *togv5 = new TGeoVolume("TPC_OCVG5",tog5,sm1); |
c5d5037c | 237 | // |
238 | TGeoMedium *mhs = gGeoManager->GetMedium("TPC_Steel"); | |
239 | TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water"); | |
c449e944 | 240 | //------------------------------------------------------- |
c1637e41 | 241 | // Tpc Outer Field Cage |
242 | // daughters - composite (sandwich) | |
243 | //------------------------------------------------------- | |
37831078 | 244 | |
c1637e41 | 245 | TGeoPcon *tofc = new TGeoPcon(0.,360.,6); |
246 | // | |
247 | tofc->DefineSection(0,-253.6,258.,269.6); | |
248 | tofc->DefineSection(1,-250.6,258.,269.6); | |
249 | // | |
250 | tofc->DefineSection(2,-250.6,258.,260.0676); | |
251 | tofc->DefineSection(3,250.6,258.,260.0676); | |
252 | // | |
253 | tofc->DefineSection(4,250.6,258.,275.5); | |
254 | tofc->DefineSection(5,253.6,258.,275.5); | |
255 | // | |
256 | TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3); | |
257 | //sandwich | |
c449e944 | 258 | TGeoTubeSeg *tf1 = new TGeoTubeSeg(258.0,260.0676,252.1,0.,59.9); //tedlar |
259 | TGeoTubeSeg *tf2 = new TGeoTubeSeg(258.0038,260.0638,252.1,0.,59.9); //prepreg3 | |
260 | TGeoTubeSeg *tf3 = new TGeoTubeSeg(258.0338,260.0338,252.1,0.,59.9);//nomex | |
261 | TGeoTubeSeg *tfg4 = new TGeoTubeSeg(258.0,260.0676,252.1,59.9,60.); //epoxy glue | |
c1637e41 | 262 | // |
263 | TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3"); | |
264 | // | |
265 | TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2); | |
266 | TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5); | |
267 | TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4); | |
6c0ba48f | 268 | TGeoVolume *tfg4v = new TGeoVolume("TPC_OFCG4",tfg4,smep); |
c1637e41 | 269 | // |
270 | // outer part - positioning | |
271 | // | |
c449e944 | 272 | tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);//ocv |
273 | // | |
274 | tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);//ofc | |
c1637e41 | 275 | // |
c449e944 | 276 | TGeoVolumeAssembly *t200 = new TGeoVolumeAssembly("TPC_OCVSEG"); |
277 | TGeoVolumeAssembly *t300 = new TGeoVolumeAssembly("TPC_OFCSEG"); | |
c1637e41 | 278 | // |
c449e944 | 279 | // assembly OCV and OFC |
280 | // | |
281 | // 1st - no rotation | |
282 | t200->AddNode(tov1,1); t200->AddNode(togv5,1); | |
283 | t300->AddNode(tf1v,1); t300->AddNode(tfg4v,1); | |
284 | // 2nd - rotation 60 deg | |
285 | segrot = new TGeoRotation(); | |
286 | segrot->RotateZ(60.); | |
287 | t200->AddNode(tov1,2,segrot); t200->AddNode(togv5,2,segrot); | |
288 | t300->AddNode(tf1v,2,segrot); t300->AddNode(tfg4v,2,segrot); | |
289 | // 3rd rotation 120 deg | |
290 | segrot = new TGeoRotation(); | |
291 | segrot->RotateZ(120.); | |
292 | t200->AddNode(tov1,3,segrot); t200->AddNode(togv5,3,segrot); | |
293 | t300->AddNode(tf1v,3,segrot); t300->AddNode(tfg4v,3,segrot); | |
294 | //4th rotation 180 deg | |
295 | segrot = new TGeoRotation(); | |
296 | segrot->RotateZ(180.); | |
297 | t200->AddNode(tov1,4,segrot); t200->AddNode(togv5,4,segrot); | |
298 | t300->AddNode(tf1v,4,segrot); t300->AddNode(tfg4v,4,segrot); | |
299 | //5th rotation 240 deg | |
300 | segrot = new TGeoRotation(); | |
301 | segrot->RotateZ(240.); | |
302 | t200->AddNode(tov1,5,segrot); t200->AddNode(togv5,5,segrot); | |
303 | t300->AddNode(tf1v,5,segrot); t300->AddNode(tfg4v,5,segrot); | |
304 | //6th rotation 300 deg | |
305 | segrot = new TGeoRotation(); | |
306 | segrot->RotateZ(300.); | |
307 | t200->AddNode(tov1,6,segrot); t200->AddNode(togv5,6,segrot); | |
308 | t300->AddNode(tf1v,6,segrot); t300->AddNode(tfg4v,6,segrot); | |
309 | // | |
310 | v3->AddNode(t200,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(t300,1); | |
c1637e41 | 311 | // |
312 | v2->AddNode(v3,1); v2->AddNode(v4,1); | |
313 | // | |
314 | v1->AddNode(v2,1); | |
315 | //-------------------------------------------------------------------- | |
316 | // Tpc Inner INsulator (CO2) | |
317 | // the cones, the central drum and the inner f.c. sandwich with a piece | |
318 | // of the flane will be placed in the TPC | |
319 | //-------------------------------------------------------------------- | |
320 | TGeoPcon *tpci = new TGeoPcon(0.,360.,4); | |
321 | // | |
322 | tpci->DefineSection(0,-253.6,68.4,76.6774); | |
323 | tpci->DefineSection(1,-74.0,61.2,76.6774); | |
324 | // | |
325 | tpci->DefineSection(2,74.0,61.2,76.6774); | |
326 | // | |
327 | tpci->DefineSection(3,253.6,65.9,76.6774); | |
328 | // | |
329 | TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2); | |
330 | // | |
331 | // now the inner field cage - only part of flanges (2 copies) | |
332 | // | |
333 | TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5); | |
334 | TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3); | |
335 | // | |
336 | //--------------------------------------------------------- | |
337 | // Tpc Inner Containment vessel - Muon side | |
338 | //--------------------------------------------------------- | |
339 | TGeoPcon *tcms = new TGeoPcon(0.,360.,10); | |
340 | // | |
341 | tcms->DefineSection(0,-259.1,68.1,74.2); | |
342 | tcms->DefineSection(1,-253.6,68.1,74.2); | |
343 | // | |
344 | tcms->DefineSection(2,-253.6,68.1,68.4); | |
345 | tcms->DefineSection(3,-74.0,60.9,61.2); | |
346 | // | |
347 | tcms->DefineSection(4,-74.0,60.1,61.2); | |
348 | tcms->DefineSection(5,-73.3,60.1,61.2); | |
349 | // | |
350 | tcms->DefineSection(6,-73.3,56.9,61.2); | |
351 | tcms->DefineSection(7,-73.0,56.9,61.2); | |
352 | // | |
353 | tcms->DefineSection(8,-73.0,56.9,58.8); | |
354 | tcms->DefineSection(9,-71.3,56.9,58.8); | |
355 | // | |
356 | TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3); | |
c5d5037c | 357 | //------------------------------------------------ |
358 | // Heat screen muon side | |
359 | //------------------------------------------------ | |
360 | ||
361 | TGeoCone *thsm = new TGeoCone(89.8,67.88,68.1,60.68,60.9); | |
362 | TGeoCone *thsmw = new TGeoCone(89.8,67.94,68.04,60.74,60.84); | |
363 | TGeoVolume *hvsm = new TGeoVolume("TPC_HSM",thsm,mhs); //steel | |
364 | TGeoVolume *hvsmw = new TGeoVolume("TPC_HSMW",thsmw,m12); //water | |
365 | // assembly heat screen muon | |
366 | hvsm->AddNode(hvsmw,1); | |
c1637e41 | 367 | //----------------------------------------------- |
368 | // inner containment vessel - shaft side | |
369 | //----------------------------------------------- | |
370 | TGeoPcon *tcss = new TGeoPcon(0.,360.,10); | |
371 | // | |
372 | tcss->DefineSection(0,71.3,56.9,58.8); | |
373 | tcss->DefineSection(1,73.0,56.9,58.8); | |
374 | // | |
375 | tcss->DefineSection(2,73.0,56.9,61.2); | |
376 | tcss->DefineSection(3,73.3,56.9,61.2); | |
377 | // | |
378 | tcss->DefineSection(4,73.3,60.1,61.2); | |
379 | tcss->DefineSection(5,74.0,60.1,61.2); | |
380 | // | |
381 | tcss->DefineSection(6,74.0,60.9,61.2); | |
382 | tcss->DefineSection(7,253.6,65.6,65.9); | |
383 | // | |
384 | tcss->DefineSection(8,253.6,65.6,74.2); | |
385 | tcss->DefineSection(9,258.1,65.6,74.2); | |
386 | // | |
387 | TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3); | |
c5d5037c | 388 | //------------------------------------------------- |
389 | // Heat screen shaft side | |
390 | //-------------------------------------------------- | |
391 | TGeoCone *thss = new TGeoCone(89.8,60.68,60.9,65.38,65.6); | |
392 | TGeoCone *thssw = new TGeoCone(89.8,60.74,60.84,65.44,65.54); | |
393 | TGeoVolume *hvss = new TGeoVolume("TPC_HSS",thss,mhs); //steel | |
394 | TGeoVolume *hvssw = new TGeoVolume("TPC_HSSW",thssw,m12); //water | |
395 | //assembly heat screen shaft | |
396 | hvss->AddNode(hvssw,1); | |
c1637e41 | 397 | //----------------------------------------------- |
398 | // Inner field cage | |
399 | // define 4 parts and make an assembly | |
400 | //----------------------------------------------- | |
401 | // part1 - Al - 2 copies | |
402 | TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75); | |
403 | TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3); | |
404 | // sandwich - outermost parts - 2 copies | |
c1637e41 | 405 | // |
878dd3f2 | 406 | // segment outermost |
407 | // | |
d56d7df1 | 408 | TGeoTubeSeg *t2 = new TGeoTubeSeg(76.6774,78.845,74.175,350.,109.4); // tedlar 38 microns |
409 | TGeoTubeSeg *t3 = new TGeoTubeSeg(76.6812,78.8412,74.175,350.,109.4); // prepreg2 500 microns | |
410 | TGeoTubeSeg *t4 = new TGeoTubeSeg(76.7312,78.7912,74.175,350.,109.4); // prepreg3 300 microns | |
411 | TGeoTubeSeg *t5 = new TGeoTubeSeg(76.7612,78.7612,74.175,350.,109.4); // nomex 2 cm | |
412 | TGeoTubeSeg *tepox1 = new TGeoTubeSeg(76.6774,78.845,74.175,109.4,110.);//epoxy | |
e079adac | 413 | TGeoTubeSeg *tpr1 = new TGeoTubeSeg(78.845,78.885,74.175,109.,111.); |
878dd3f2 | 414 | |
415 | // volumes for the outer part | |
c1637e41 | 416 | TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2); |
417 | TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3); | |
418 | TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5); | |
419 | TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4); | |
6c0ba48f | 420 | TGeoVolume *tvep1 = new TGeoVolume("TPC_IFEPOX1",tepox1,smep); |
878dd3f2 | 421 | TGeoVolume *tvpr1 = new TGeoVolume("TPC_PRSTR1",tpr1,sm2); |
c1637e41 | 422 | // |
423 | // middle parts - 2 copies | |
c1637e41 | 424 | // |
878dd3f2 | 425 | // segment middle |
426 | // | |
d56d7df1 | 427 | TGeoTubeSeg *t6 = new TGeoTubeSeg(76.6774,78.795,5.,350.,109.4); // tedlar 38 microns |
428 | TGeoTubeSeg *t7 = new TGeoTubeSeg(76.6812,78.7912,5.,350.,109.4); // prepreg2 250 microns | |
429 | TGeoTubeSeg *t8 = new TGeoTubeSeg(76.7062,78.7662,5.,350.,109.4); // prepreg3 300 microns | |
430 | TGeoTubeSeg *t9 = new TGeoTubeSeg(76.7362,78.7362,5.,350.,109.4); // nomex 2 cm | |
431 | TGeoTubeSeg *tepox2 = new TGeoTubeSeg(76.6774,78.795,5.,109.4,110.);//epoxy | |
e079adac | 432 | TGeoTubeSeg *tpr2 = new TGeoTubeSeg(78.795,78.835,5.,109.,111.); |
878dd3f2 | 433 | // volumes for the middle part |
c1637e41 | 434 | TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2); |
435 | TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3); | |
436 | TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5); | |
437 | TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4); | |
6c0ba48f | 438 | TGeoVolume *tvep2 = new TGeoVolume("TPC_IFEPOX2",tepox2,smep); |
878dd3f2 | 439 | TGeoVolume *tvpr2 = new TGeoVolume("TPC_PRSTR2",tpr2,sm2); |
c1637e41 | 440 | // central part - 1 copy |
878dd3f2 | 441 | // |
442 | // segment central part | |
443 | // | |
d56d7df1 | 444 | TGeoTubeSeg *t10 = new TGeoTubeSeg(76.6774,78.785,93.75,350.,109.4); // tedlar 38 microns |
445 | TGeoTubeSeg *t11 = new TGeoTubeSeg(76.6812,78.7812,93.75,350.,109.4); // prepreg3 500 microns | |
446 | TGeoTubeSeg *t12 = new TGeoTubeSeg(76.7312,78.7312,93.75,350.,109.4); // nomex 2 cm | |
447 | TGeoTubeSeg *tepox3 = new TGeoTubeSeg(76.6774,78.785,93.75,109.4,110.);//epoxy | |
e079adac | 448 | TGeoTubeSeg *tpr3 = new TGeoTubeSeg(78.785,78.825,93.75,109.,111.); |
878dd3f2 | 449 | // volumes for the central part |
c1637e41 | 450 | TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2); |
451 | TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5); | |
452 | TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4); | |
6c0ba48f | 453 | TGeoVolume *tvep3 = new TGeoVolume("TPC_IFEPOX3",tepox3,smep); |
878dd3f2 | 454 | TGeoVolume *tvpr3 = new TGeoVolume("TPC_PRSTR3",tpr3,sm2); |
c1637e41 | 455 | // |
878dd3f2 | 456 | // creating a sandwich for the outer par,t tv2 is the mother |
c1637e41 | 457 | // |
c1637e41 | 458 | tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1); |
459 | // | |
878dd3f2 | 460 | // creating a sandwich for the middle part, tv6 is the mother |
461 | // | |
c1637e41 | 462 | tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1); |
463 | // | |
878dd3f2 | 464 | // creating a sandwich for the central part, tv10 is the mother |
465 | // | |
c1637e41 | 466 | tv10->AddNode(tv11,1); tv11->AddNode(tv12,1); |
467 | // | |
878dd3f2 | 468 | TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); // ifc itself - 3 segments |
878dd3f2 | 469 | |
c1637e41 | 470 | // |
878dd3f2 | 471 | // first segment - no rotation |
472 | // | |
473 | // central | |
474 | tv100->AddNode(tv10,1); //sandwich | |
475 | tv100->AddNode(tvep3,1);//epoxy | |
476 | tv100->AddNode(tvpr3,1);//prepreg strip | |
477 | // middle | |
478 | tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); //sandwich1 | |
479 | tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); // sandwich2 | |
480 | tv100->AddNode(tvep2,1,new TGeoTranslation(0.,0.,-98.75)); //epoxy | |
481 | tv100->AddNode(tvep2,2,new TGeoTranslation(0.,0.,98.75)); //epoxy | |
482 | tv100->AddNode(tvpr2,1,new TGeoTranslation(0.,0.,-98.75));//prepreg strip | |
483 | tv100->AddNode(tvpr2,2,new TGeoTranslation(0.,0.,98.75)); | |
484 | // outer | |
485 | tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); //sandwich | |
c1637e41 | 486 | tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925)); |
878dd3f2 | 487 | tv100->AddNode(tvep1,1,new TGeoTranslation(0.,0.,-177.925)); //epoxy |
488 | tv100->AddNode(tvep1,2,new TGeoTranslation(0.,0.,177.925)); | |
489 | tv100->AddNode(tvpr1,1,new TGeoTranslation(0.,0.,-177.925));//prepreg strip | |
490 | tv100->AddNode(tvpr1,2,new TGeoTranslation(0.,0.,-177.925)); | |
491 | // | |
492 | // second segment - rotation 120 deg. | |
493 | // | |
494 | segrot = new TGeoRotation(); | |
495 | segrot->RotateZ(120.); | |
496 | // | |
497 | // central | |
498 | tv100->AddNode(tv10,2,segrot); //sandwich | |
499 | tv100->AddNode(tvep3,2,segrot);//epoxy | |
500 | tv100->AddNode(tvpr3,2,segrot);//prepreg strip | |
501 | // middle | |
502 | tv100->AddNode(tv6,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1 | |
503 | tv100->AddNode(tv6,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2 | |
504 | tv100->AddNode(tvep2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy | |
505 | tv100->AddNode(tvep2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy | |
506 | tv100->AddNode(tvpr2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip | |
507 | tv100->AddNode(tvpr2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); | |
508 | //outer | |
509 | tv100->AddNode(tv2,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich | |
510 | tv100->AddNode(tv2,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
511 | tv100->AddNode(tvep1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy | |
512 | tv100->AddNode(tvep1,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
513 | tv100->AddNode(tvpr1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip | |
514 | tv100->AddNode(tvpr1,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
515 | // | |
516 | // third segment - rotation 240 deg. | |
517 | // | |
518 | segrot = new TGeoRotation(); | |
519 | segrot->RotateZ(240.); | |
520 | // | |
521 | // central | |
522 | tv100->AddNode(tv10,3,segrot); //sandwich | |
523 | tv100->AddNode(tvep3,3,segrot);//epoxy | |
524 | tv100->AddNode(tvpr3,3,segrot);//prepreg strip | |
525 | // middle | |
526 | tv100->AddNode(tv6,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1 | |
527 | tv100->AddNode(tv6,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2 | |
528 | tv100->AddNode(tvep2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy | |
529 | tv100->AddNode(tvep2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy | |
530 | tv100->AddNode(tvpr2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip | |
531 | tv100->AddNode(tvpr2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); | |
532 | //outer | |
533 | tv100->AddNode(tv2,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich | |
534 | tv100->AddNode(tv2,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
535 | tv100->AddNode(tvep1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy | |
536 | tv100->AddNode(tvep1,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
537 | tv100->AddNode(tvpr1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip | |
538 | tv100->AddNode(tvpr1,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
539 | // Al parts - rings | |
c1637e41 | 540 | tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85)); |
541 | tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85)); | |
542 | // | |
543 | v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1)); | |
544 | v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1)); | |
545 | v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1); | |
c5d5037c | 546 | v1->AddNode(hvsm,1,new TGeoTranslation(0.,0.,-163.8)); |
547 | v1->AddNode(hvss,1,new TGeoTranslation(0.,0.,163.8)); | |
c1637e41 | 548 | v9->AddNode(tv100,1); |
549 | // | |
550 | // central drum | |
551 | // | |
552 | // flange + sandwich | |
553 | // | |
554 | TGeoPcon *cfl = new TGeoPcon(0.,360.,6); | |
555 | cfl->DefineSection(0,-71.1,59.7,61.2); | |
556 | cfl->DefineSection(1,-68.6,59.7,61.2); | |
557 | // | |
efbf94c5 | 558 | cfl->DefineSection(2,-68.6,60.6124,61.2); |
559 | cfl->DefineSection(3,68.6,60.6124,61.2); | |
c1637e41 | 560 | // |
561 | cfl->DefineSection(4,68.6,59.7,61.2); | |
562 | cfl->DefineSection(5,71.1,59.7,61.2); | |
563 | // | |
564 | TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3); | |
565 | // sandwich | |
cc8d387d | 566 | TGeoTubeSeg *cd1 = new TGeoTubeSeg(60.6224,61.19,71.1,0.2,119.2); |
567 | TGeoTubeSeg *cd2 = new TGeoTubeSeg(60.6262,61.1862,71.1,0.2,119.2); | |
568 | TGeoTubeSeg *cd3 = new TGeoTubeSeg(60.6462,61.1662,71.1,0.2,119.2); | |
569 | TGeoTubeSeg *cd4 = new TGeoTubeSeg(60.6562,61.1562,71.1,0.2,119.2); | |
570 | TGeoTubeSeg *tepox4 = new TGeoTubeSeg(60.6224,61.19,71.1,359.8,0.8); | |
c1637e41 | 571 | // |
572 | TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1"); | |
efbf94c5 | 573 | TGeoMedium *sm8 = gGeoManager->GetMedium("TPC_Epoxyfm"); |
c1637e41 | 574 | TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar |
575 | TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1 | |
efbf94c5 | 576 | TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm8); //epoxy film |
577 | TGeoVolume *cd4v = new TGeoVolume("TPC_CDR4",cd4,sm4); //nomex | |
6c0ba48f | 578 | TGeoVolume *tvep4 = new TGeoVolume("TPC_IFEPOX4",tepox4,smep); |
efbf94c5 | 579 | |
c1637e41 | 580 | // |
581 | // seals for central drum 2 copies | |
582 | // | |
583 | TGeoTube *cs = new TGeoTube(56.9,61.2,0.1); | |
584 | TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar"); | |
585 | TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7); | |
3378c058 | 586 | v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2)); |
587 | v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2)); | |
c1637e41 | 588 | // |
589 | // seal collars | |
590 | TGeoPcon *se = new TGeoPcon(0.,360.,6); | |
591 | se->DefineSection(0,-72.8,59.7,61.2); | |
592 | se->DefineSection(1,-72.3,59.7,61.2); | |
593 | // | |
594 | se->DefineSection(2,-72.3,58.85,61.2); | |
595 | se->DefineSection(3,-71.6,58.85,61.2); | |
596 | // | |
597 | se->DefineSection(4,-71.6,59.7,61.2); | |
598 | se->DefineSection(5,-71.3,59.7,61.2); | |
599 | // | |
600 | TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3); | |
601 | // | |
602 | TGeoTube *si = new TGeoTube(56.9,58.8,1.); | |
603 | TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3); | |
604 | // | |
605 | // define reflection matrix | |
606 | // | |
4fa47888 | 607 | TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.); |
c1637e41 | 608 | // |
d56d7df1 | 609 | cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cd3v->AddNode(cd4v,1); //sandwich |
610 | // first segment | |
611 | cflv->AddNode(cd1v,1); cflv->AddNode(tvep4,1); | |
612 | // second segment | |
613 | segrot = new TGeoRotation(); | |
614 | segrot->RotateZ(120.); | |
615 | cflv->AddNode(cd1v,2,segrot); cflv->AddNode(tvep4,2,segrot); | |
616 | // third segment | |
617 | segrot = new TGeoRotation(); | |
618 | segrot->RotateZ(240.); | |
619 | cflv->AddNode(cd1v,3,segrot); cflv->AddNode(tvep4,3,segrot); | |
c1637e41 | 620 | // |
a1ec4d07 | 621 | v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9)); |
622 | v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9)); | |
c1637e41 | 623 | v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1); |
624 | // | |
625 | // central membrane - 2 rings and a mylar membrane - assembly | |
626 | // | |
cf84f9b1 | 627 | TGeoTube *ih = new TGeoTube(81.05,84.05,0.3); |
628 | TGeoTube *oh = new TGeoTube(250.,256.,0.5); | |
4236db1b | 629 | TGeoTube *mem = new TGeoTube(84.05,250.,0.00115); |
c449e944 | 630 | |
631 | // | |
632 | TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10"); | |
633 | // | |
c1637e41 | 634 | TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3); |
635 | TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3); | |
c449e944 | 636 | |
c1637e41 | 637 | TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7); |
638 | // | |
639 | TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM"); | |
640 | cm->AddNode(ihv,1); | |
641 | cm->AddNode(ohv,1); | |
642 | cm->AddNode(memv,1); | |
c449e944 | 643 | |
c1637e41 | 644 | v9->AddNode(cm,1); |
645 | // | |
646 | // end caps - they are make as an assembly of single segments | |
647 | // containing both readout chambers | |
648 | // | |
d899e254 | 649 | Double_t openingAngle = 10.*TMath::DegToRad(); |
c1637e41 | 650 | Double_t thick=1.5; // rib |
d899e254 | 651 | Double_t shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 652 | // |
d899e254 | 653 | Double_t lowEdge = 86.3; // hole in the wheel |
654 | Double_t upEdge = 240.4; // hole in the wheel | |
c1637e41 | 655 | // |
656 | new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.); | |
657 | // | |
658 | TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4); | |
659 | // | |
d899e254 | 660 | hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift); |
661 | hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift); | |
c1637e41 | 662 | // |
d899e254 | 663 | hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift); |
664 | hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift); | |
c1637e41 | 665 | // |
d899e254 | 666 | Double_t ys = shift*TMath::Sin(openingAngle); |
667 | Double_t xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 668 | TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.); |
669 | tr->RegisterYourself(); | |
670 | TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr"); | |
671 | TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3); | |
672 | TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2); | |
673 | bar->DefineSection(0,-3.,131.5-shift,136.5-shift); | |
674 | bar->DefineSection(1,1.5,131.5-shift,136.5-shift); | |
675 | TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3); | |
676 | TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment | |
677 | // | |
678 | ch->AddNode(sv,1); ch->AddNode(barv,1,tr); | |
679 | // | |
680 | // readout chambers | |
681 | // | |
682 | // IROC first | |
683 | // | |
684 | TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15); | |
685 | TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3); | |
686 | // empty space | |
687 | TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65); | |
688 | TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1); | |
689 | ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.)); | |
690 | //bars | |
691 | Double_t tga = (19.8328-12.3742)/39.3; | |
692 | Double_t xmin,xmax; | |
693 | xmin = 9.55*tga+12.3742; | |
694 | xmax = 9.95*tga+12.3742; | |
695 | TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
696 | TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3); | |
697 | empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9)); | |
698 | xmin=19.4*tga+12.3742; | |
699 | xmax=19.9*tga+12.3742; | |
700 | TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25); | |
701 | TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3); | |
702 | empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.)); | |
703 | xmin=29.35*tga+12.3742; | |
704 | xmax=29.75*tga+12.3742; | |
705 | TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
706 | TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3); | |
707 | empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9)); | |
708 | // | |
709 | // holes for connectors | |
710 | // | |
711 | TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc | |
712 | TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1); | |
d9e80aca | 713 | TString fileName(gSystem->Getenv("ALICE_ROOT")); |
714 | fileName += "/TPC/conn_iroc.dat"; | |
c1637e41 | 715 | ifstream in; |
d9e80aca | 716 | in.open(fileName.Data(), ios_base::in); // asci file |
2d1d58a6 | 717 | TGeoRotation *rrr[86]; |
c1637e41 | 718 | for(Int_t i =0;i<86;i++){ |
456cb019 | 719 | Double_t y = 3.99; |
c1637e41 | 720 | Double_t x,z,ang; |
721 | in>>x>>z>>ang; | |
456cb019 | 722 | z-=26.5; |
2d1d58a6 | 723 | rrr[i]= new TGeoRotation(); |
724 | rrr[i]->RotateY(ang); | |
725 | ibdv->AddNode(connv,i+1,new TGeoCombiTrans(x,y,z,rrr[i])); | |
c1637e41 | 726 | } |
727 | in.close(); | |
728 | // "cap" | |
729 | new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825); | |
730 | // "hole" | |
731 | new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15); | |
732 | TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725); | |
733 | tr1->RegisterYourself(); | |
734 | TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1"); | |
735 | TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3); | |
736 | // | |
737 | // pad plane and wire fixations | |
738 | // | |
739 | TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso | |
c1637e41 | 740 | TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4); |
741 | TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.); | |
742 | TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4); | |
743 | TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.); | |
744 | TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4); | |
745 | // | |
746 | TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC"); | |
747 | // | |
748 | iroc->AddNode(ibdv,1); | |
749 | iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725)); | |
750 | iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725)); | |
751 | tga =(23.3521-14.5974)/49.65; | |
752 | Double_t xx = 24.825*tga+14.5974-0.6; | |
753 | iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725)); | |
754 | iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725)); | |
755 | // | |
756 | // OROC | |
757 | // | |
758 | TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65); | |
759 | TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3); | |
760 | TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65); | |
761 | TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1); | |
762 | obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.)); | |
763 | //horizontal bars | |
764 | tga=(38.5084-20.2938)/99.3; | |
765 | xmin=tga*10.2+20.2938; | |
766 | xmax=tga*10.6+20.2938; | |
767 | TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
768 | TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3); | |
769 | // | |
770 | xmin=22.55*tga+20.2938; | |
771 | xmax=24.15*tga+20.2938; | |
772 | TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
773 | TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3); | |
774 | // | |
775 | xmin=36.1*tga+20.2938; | |
776 | xmax=36.5*tga+20.2938; | |
777 | TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
778 | TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3); | |
779 | // | |
780 | xmin=49.0*tga+20.2938; | |
781 | xmax=50.6*tga+20.2938; | |
782 | TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
783 | TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3); | |
784 | // | |
785 | xmin=63.6*tga+20.2938; | |
786 | xmax=64.0*tga+20.2938; | |
787 | TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
788 | TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3); | |
789 | // | |
790 | xmin=75.5*tga+20.2938; | |
791 | xmax=77.15*tga+20.2938; | |
792 | TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
793 | TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3); | |
794 | // | |
795 | xmin=88.7*tga+20.2938; | |
796 | xmax=89.1*tga+20.2938; | |
797 | TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
798 | TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3); | |
799 | // | |
800 | oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25)); | |
801 | oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3)); | |
802 | oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35)); | |
803 | oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15)); | |
804 | oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15)); | |
805 | oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7)); | |
806 | oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25)); | |
807 | // vertical bars | |
808 | TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1); | |
809 | TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975); | |
810 | TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775); | |
811 | TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25); | |
812 | TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5); | |
813 | // | |
814 | TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3); | |
815 | TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3); | |
816 | TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3); | |
817 | TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3); | |
818 | TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3); | |
819 | // | |
820 | oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55)); | |
821 | oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55)); | |
822 | oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075)); | |
823 | oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525)); | |
824 | oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125)); | |
825 | oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275)); | |
826 | oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9)); | |
827 | oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45)); | |
828 | // | |
829 | // holes for connectors | |
830 | // | |
d9e80aca | 831 | fileName = gSystem->Getenv("ALICE_ROOT"); |
832 | fileName += "/TPC/conn_oroc.dat"; | |
833 | in.open(fileName.Data(), ios_base::in); // asci file | |
2d1d58a6 | 834 | TGeoRotation *rr[78]; |
c1637e41 | 835 | for(Int_t i =0;i<78;i++){ |
836 | Double_t y =3.89; | |
837 | Double_t x,z,ang; | |
838 | Double_t x1,z1,x2,z2; | |
839 | in>>x>>z>>ang; | |
840 | Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad()); | |
841 | Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad()); | |
842 | // | |
843 | x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z; | |
844 | // | |
2d1d58a6 | 845 | rr[i]= new TGeoRotation(); |
846 | rr[i]->RotateY(ang); | |
c1637e41 | 847 | z1-=54.95; |
848 | z2-=54.95; | |
5f174279 | 849 | // |
2d1d58a6 | 850 | obdv->AddNode(connv,i+1,new TGeoCombiTrans(x1,y,z1,rr[i])); |
851 | obdv->AddNode(connv,i+79,new TGeoCombiTrans(x2,y,z2,rr[i])); | |
c1637e41 | 852 | } |
853 | in.close(); | |
854 | // cap | |
855 | new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1); | |
856 | new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65); | |
857 | TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15); | |
858 | tr5->RegisterYourself(); | |
859 | TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5"); | |
860 | TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3); | |
861 | // | |
862 | // pad plane and wire fixations | |
863 | // | |
864 | TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1); | |
865 | TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4); | |
866 | // | |
867 | tga=(43.5239-23.3874)/114.2; | |
868 | TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.); | |
869 | TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.); | |
870 | xx = 57.1*tga+23.3874-0.7; | |
871 | TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4); | |
872 | TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4); | |
873 | // | |
874 | TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC"); | |
875 | // | |
876 | oroc->AddNode(obdv,1); | |
877 | oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15)); | |
878 | oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15)); | |
879 | oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15)); | |
880 | oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15)); | |
881 | // | |
882 | // now iroc and oroc are placed into a sector... | |
883 | // | |
a1ec4d07 | 884 | TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side |
885 | TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side | |
c1637e41 | 886 | TGeoRotation rot1("rot1",90.,90.,0.); |
887 | TGeoRotation rot2("rot2"); | |
888 | rot2.RotateY(10.); | |
889 | TGeoRotation *rot = new TGeoRotation("rot"); | |
890 | *rot=rot1*rot2; | |
891 | // | |
892 | Double_t x0,y0; | |
d899e254 | 893 | x0=110.2*TMath::Cos(openingAngle); |
894 | y0=110.2*TMath::Sin(openingAngle); | |
1bae4c82 | 895 | TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side |
896 | TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side | |
d899e254 | 897 | x0=188.45*TMath::Cos(openingAngle); |
898 | y0=188.45*TMath::Sin(openingAngle); | |
1bae4c82 | 899 | TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side |
900 | TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side | |
c1637e41 | 901 | // |
c1637e41 | 902 | // |
a1ec4d07 | 903 | // A-side |
c1637e41 | 904 | // |
a1ec4d07 | 905 | secta->AddNode(ch,1); |
906 | secta->AddNode(iroc,1,combi1a); | |
907 | secta->AddNode(oroc,1,combi2a); | |
908 | // | |
909 | // C-side | |
910 | // | |
911 | sectc->AddNode(ch,1); | |
912 | sectc->AddNode(iroc,1,combi1c); | |
913 | sectc->AddNode(oroc,1,combi2c); | |
914 | // | |
915 | // now I try to make wheels... | |
916 | // | |
917 | TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
918 | TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
c1637e41 | 919 | // |
5f174279 | 920 | TGeoRotation *rwh[18]; |
c1637e41 | 921 | for(Int_t i =0;i<18;i++){ |
922 | Double_t phi = (20.*i); | |
5f174279 | 923 | rwh[i]=new TGeoRotation(); |
924 | rwh[i]->RotateZ(phi); | |
925 | wheela->AddNode(secta,i+1,rwh[i]); | |
926 | wheelc->AddNode(sectc,i+1,rwh[i]); | |
79575d04 | 927 | |
c1637e41 | 928 | } |
4fa47888 | 929 | // wheels in the drift volume! |
a1ec4d07 | 930 | |
c1637e41 | 931 | TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref); |
a1ec4d07 | 932 | v9->AddNode(wheela,1,combi3); |
933 | v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6)); | |
c1637e41 | 934 | //_____________________________________________________________ |
935 | // service support wheel | |
936 | //_____________________________________________________________ | |
937 | TGeoPgon *sw = new TGeoPgon(0.,20.,1,2); | |
938 | sw->DefineSection(0,-4.,80.5,251.75); | |
939 | sw->DefineSection(1,4.,80.5,251.75); | |
940 | TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al | |
941 | // | |
942 | thick=1.; | |
d899e254 | 943 | shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 944 | TGeoPgon *sh = new TGeoPgon(0.,20.,1,2); |
945 | sh->DefineSection(0,-4.,81.5-shift,250.75-shift); | |
946 | sh->DefineSection(1,4.,81.5-shift,250.75-shift); | |
947 | TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air | |
948 | // | |
74518339 | 949 | TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si"); |
950 | TGeoPgon *el = new TGeoPgon(0.,20.,1,2); | |
951 | el->DefineSection(0,-1.872,81.5-shift,250.75-shift); | |
952 | el->DefineSection(1,1.872,81.5-shift,250.75-shift); | |
953 | TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si | |
954 | // | |
955 | shv->AddNode(elv,1); | |
956 | // | |
957 | // | |
d899e254 | 958 | ys = shift*TMath::Sin(openingAngle); |
959 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 960 | swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.)); |
961 | // cover | |
962 | TGeoPgon *co = new TGeoPgon(0.,20.,1,2); | |
963 | co->DefineSection(0,-0.5,77.,255.25); | |
964 | co->DefineSection(1,0.5,77.,255.25); | |
965 | TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al | |
966 | // hole in a cover | |
967 | TGeoPgon *coh = new TGeoPgon(0.,20.,1,2); | |
d899e254 | 968 | shift=4./TMath::Sin(openingAngle); |
c1637e41 | 969 | coh->DefineSection(0,-0.5,85.-shift,247.25-shift); |
970 | coh->DefineSection(1,0.5,85.-shift,247.25-shift); | |
971 | // | |
972 | TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1); | |
973 | // | |
d899e254 | 974 | ys = shift*TMath::Sin(openingAngle); |
975 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 976 | cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.)); |
977 | // | |
978 | // Sector as an Assembly | |
979 | // | |
980 | TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC"); | |
981 | swhs->AddNode(swv,1); | |
982 | swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5)); | |
983 | swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5)); | |
984 | // | |
985 | // SSW as an Assembly of sectors | |
986 | // | |
5f174279 | 987 | TGeoRotation *rsw[18]; |
988 | TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL"); | |
c1637e41 | 989 | for(Int_t i =0;i<18;i++){ |
990 | Double_t phi = (20.*i); | |
5f174279 | 991 | rsw[i] = new TGeoRotation(); |
992 | rsw[i]->RotateZ(phi); | |
993 | swheel->AddNode(swhs,i+1,rsw[i]); | |
c1637e41 | 994 | } |
995 | v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6)); | |
996 | v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6)); | |
997 | ||
998 | // sensitive strips - strip "0" is always set | |
999 | // conditional | |
1000 | Int_t totrows; | |
1001 | totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp(); | |
1002 | Double_t *upar; | |
1003 | upar=NULL; | |
1004 | gGeoManager->Volume("TPC_Strip","PGON",m5->GetId(),upar); | |
1005 | upar=new Double_t [10]; | |
1006 | upar[0]=0.; | |
1007 | upar[1]=360.; | |
1008 | upar[2]=18.; | |
1009 | upar[3]=2.; | |
1010 | // | |
1011 | upar[4]=-124.8; | |
1012 | upar[7]=124.8; | |
1013 | ||
1014 | Double_t rlow=fTPCParam->GetPadRowRadiiLow(0); | |
1015 | ||
1016 | upar[5]=rlow; | |
1017 | upar[6]=rlow+.01; | |
1018 | upar[8]=upar[5]; | |
1019 | upar[9]=upar[6]; | |
1020 | // | |
1021 | gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
1022 | gGeoManager->Node("TPC_Strip",totrows+1, | |
1023 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
1024 | // | |
1025 | // now, strips optionally | |
1026 | // | |
1027 | if(fSens){ | |
1028 | //lower sectors | |
1029 | for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){ | |
1030 | rlow=fTPCParam->GetPadRowRadiiLow(i-1); | |
1031 | upar[5]=rlow; | |
1032 | upar[6]=rlow+.01; | |
1033 | upar[8]=upar[5]; | |
1034 | upar[9]=upar[6]; | |
1035 | gGeoManager->Node("TPC_Strip",i, | |
1036 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
1037 | gGeoManager->Node("TPC_Strip",totrows+i, | |
1038 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
1039 | } | |
1040 | //upper sectors | |
1041 | for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){ | |
1042 | rlow=fTPCParam->GetPadRowRadiiUp(i-1); | |
1043 | upar[5]=rlow; | |
1044 | upar[6]=rlow+.01; | |
1045 | upar[8]=upar[5]; | |
1046 | upar[9]=upar[6]; | |
1047 | gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(), | |
1048 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
1049 | gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(), | |
1050 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
1051 | } | |
1052 | }//strips | |
37831078 | 1053 | //---------------------------------------------------------- |
0f788f87 | 1054 | // TPC Support Rods - MAKROLON |
37831078 | 1055 | //---------------------------------------------------------- |
c1637e41 | 1056 | TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon"); |
1057 | TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu"); | |
78134e48 | 1058 | TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina"); |
c5d5037c | 1059 | TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");; |
0f788f87 | 1060 | TGeoMedium *m13 = gGeoManager->GetMedium("TPC_Brass"); |
eea68010 | 1061 | TGeoMedium *m14 = gGeoManager->GetMedium("TPC_Alumina1"); |
0f788f87 | 1062 | // |
1063 | // tpc rod is an assembly of 10 long parts and 2 short parts | |
1064 | // connected with alu rings and plagged on both sides. | |
79575d04 | 1065 | // |
c1637e41 | 1066 | // |
cc8d387d | 1067 | // tpc rod long |
1068 | // | |
0f788f87 | 1069 | TGeoPcon *rod = new TGeoPcon("rod",0.,360.,6); |
1070 | rod->DefineSection(0,-10.43,1.92,2.08); | |
1071 | rod->DefineSection(1,-9.75,1.92,2.08); | |
1072 | ||
1073 | rod->DefineSection(2,-9.75,1.8,2.2); | |
1074 | rod->DefineSection(3,9.75,1.8,2.2); | |
1075 | ||
1076 | rod->DefineSection(4,9.75,1.92,2.08); | |
1077 | rod->DefineSection(5,10.43,1.92,2.08); | |
1078 | // | |
1079 | TGeoVolume *mrodl = new TGeoVolume("TPC_mrodl",rod,m6); | |
1080 | // | |
1081 | // tpc rod short | |
1082 | // | |
1083 | TGeoPcon *rod1 = new TGeoPcon("rod1",0.,360.,6); | |
1084 | rod1->DefineSection(0,-8.93,1.92,2.08); | |
1085 | rod1->DefineSection(1,-8.25,1.92,2.08); | |
1086 | ||
1087 | rod1->DefineSection(2,-8.25,1.8,2.2); | |
1088 | rod1->DefineSection(3,8.25,1.8,2.2); | |
1089 | ||
1090 | rod1->DefineSection(4,8.25,1.92,2.08); | |
1091 | rod1->DefineSection(5,8.93,1.92,2.08); | |
1092 | // | |
1093 | TGeoVolume *mrods = new TGeoVolume("TPC_mrods",rod1,m6); | |
1094 | // | |
1095 | // below is for the resistor rod | |
1096 | // | |
1097 | // hole for the brass connectors | |
1098 | // | |
1099 | ||
1100 | new TGeoTube("hhole",0.,0.3,0.3); | |
1101 | // | |
1102 | //transformations for holes - initialy they | |
1103 | // are placed at x=0 and negative y | |
1104 | // | |
1105 | TGeoRotation *rhole = new TGeoRotation(); | |
1106 | rhole->RotateX(90.); | |
1107 | TGeoCombiTrans *transf[13]; | |
1108 | Char_t name[30]; | |
1109 | for(Int_t i=0;i<13;i++){ | |
94e6c6f4 | 1110 | //sprintf(name,"transf%d",i); |
1111 | snprintf(name,30,"transf%d",i); | |
0f788f87 | 1112 | transf[i]= new TGeoCombiTrans(name,0.,-2.,-9.+i*1.5,rhole); |
1113 | transf[i]->RegisterYourself(); | |
1114 | } | |
1115 | // union expression for holes | |
1116 | TString operl("hhole:transf0"); | |
1117 | for (Int_t i=1;i<13;i++){ | |
94e6c6f4 | 1118 | //sprintf(name,"+hhole:transf%d",i); |
1119 | snprintf(name,30,"+hhole:transf%d",i); | |
0f788f87 | 1120 | operl.Append(name); |
1121 | } | |
78134e48 | 1122 | // |
0f788f87 | 1123 | TString opers("hhole:transf1"); |
1124 | for (Int_t i=2;i<12;i++){ | |
94e6c6f4 | 1125 | //sprintf(name,"+hhole:transf%d",i); |
1126 | snprintf(name,30,"+hhole:transf%d",i); | |
0f788f87 | 1127 | opers.Append(name); |
1128 | } | |
1129 | //union of holes | |
1130 | new TGeoCompositeShape("hlv",operl.Data()); | |
1131 | new TGeoCompositeShape("hsv",opers.Data()); | |
1132 | // | |
1133 | TGeoCompositeShape *rodl = new TGeoCompositeShape("rodl","rod-hlv"); | |
1134 | TGeoCompositeShape *rods = new TGeoCompositeShape("rods","rod1-hsv"); | |
1135 | //rods - volumes - makrolon rods with holes | |
1136 | TGeoVolume *rodlv = new TGeoVolume("TPC_rodl",rodl,m6); | |
1137 | TGeoVolume *rodsv = new TGeoVolume("TPC_rods",rods,m6); | |
1138 | //brass connectors | |
1139 | //connectors | |
1140 | TGeoTube *bcon = new TGeoTube(0.,0.3,0.3);//connectors | |
1141 | TGeoVolume *bconv = new TGeoVolume("TPC_bcon",bcon,m13); | |
1142 | // | |
1143 | // hooks holding strips | |
1144 | // | |
1145 | new TGeoBBox("hk1",0.625,0.015,0.75); | |
1146 | new TGeoBBox("hk2",0.625,0.015,0.15); | |
1147 | TGeoTranslation *tr21 = new TGeoTranslation("tr21",0.,-0.03,-0.6); | |
1148 | TGeoTranslation *tr12 = new TGeoTranslation("tr12",0.,-0.03,0.6); | |
1149 | tr21->RegisterYourself(); | |
1150 | tr12->RegisterYourself(); | |
1151 | ||
1152 | TGeoCompositeShape *hook = new TGeoCompositeShape("hook","hk1+hk2:tr21+hk2:tr12"); | |
1153 | TGeoVolume *hookv = new TGeoVolume("TPC_hook",hook,m13); | |
1154 | // | |
1155 | // assembly of the short rod with connectors and hooks | |
1156 | // | |
1157 | // | |
1158 | // short rod | |
1159 | // | |
1160 | TGeoVolumeAssembly *spart = new TGeoVolumeAssembly("TPC_spart"); | |
1161 | // | |
1162 | spart->AddNode( rodsv,1); | |
1163 | for(Int_t i=1;i<12;i++){ | |
1164 | spart->AddNode(bconv,i,transf[i]); | |
1165 | } | |
1166 | for(Int_t i =0;i<11;i++){ | |
ceb660a9 | 1167 | spart->AddNode(hookv,i+1,new TGeoTranslation(0.,-2.315,-7.5+i*1.5)); |
0f788f87 | 1168 | } |
1169 | // | |
1170 | // long rod | |
1171 | // | |
1172 | TGeoVolumeAssembly *lpart = new TGeoVolumeAssembly("TPC_lpart"); | |
1173 | // | |
1174 | lpart->AddNode( rodlv,1); | |
1175 | for(Int_t i=0;i<13;i++){ | |
ceb660a9 | 1176 | lpart->AddNode(bconv,i+12,transf[i]); |
0f788f87 | 1177 | } |
1178 | for(Int_t i =0;i<13;i++){ | |
ceb660a9 | 1179 | lpart->AddNode(hookv,i+12,new TGeoTranslation(0.,-2.315,-9.+i*1.5)); |
0f788f87 | 1180 | } |
1181 | // | |
1182 | // alu ring | |
1183 | // | |
1184 | new TGeoTube("ring1",2.1075,2.235,0.53); | |
1185 | new TGeoTube("ring2",1.7925,1.89,0.43); | |
1186 | new TGeoTube("ring3",1.89,2.1075,0.05); | |
1187 | TGeoCompositeShape *ring = new TGeoCompositeShape("ring","ring1+ring2+ring3"); | |
1188 | TGeoVolume *ringv = new TGeoVolume("TPC_ring",ring,m3); | |
1189 | // | |
1190 | // rod assembly | |
1191 | // | |
ceb660a9 | 1192 | TGeoVolumeAssembly *tpcrrod = new TGeoVolumeAssembly("TPC_rrod");//rrod |
0f788f87 | 1193 | TGeoVolumeAssembly *tpcmrod = new TGeoVolumeAssembly("TPC_mrod");//makrolon rod |
1194 | //long pieces | |
1195 | for(Int_t i=0;i<11;i++){ | |
ceb660a9 | 1196 | tpcrrod->AddNode(ringv,i+1,new TGeoTranslation(0.,0.,-105.+i*21)); |
0f788f87 | 1197 | tpcmrod->AddNode(ringv,i+12,new TGeoTranslation(0.,0.,-105.+i*21)); |
1198 | } | |
1199 | for(Int_t i=0;i<10;i++){ | |
6c0ba48f | 1200 | tpcrrod->AddNode(lpart,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));//resistor rod |
1201 | tpcmrod->AddNode(mrodl,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));//makrolon rod | |
0f788f87 | 1202 | } |
78134e48 | 1203 | // |
6c0ba48f | 1204 | // right plug - identical for all rods |
1205 | // | |
1206 | TGeoPcon *tpcrp = new TGeoPcon(0.,360.,6); | |
1207 | // | |
1208 | tpcrp->DefineSection(0,123.05,1.89,2.1075); | |
1209 | tpcrp->DefineSection(1,123.59,1.89,2.1075); | |
1210 | // | |
1211 | tpcrp->DefineSection(2,123.59,1.8,2.2); | |
1212 | tpcrp->DefineSection(3,127.,1.8,2.2); | |
1213 | // | |
1214 | tpcrp->DefineSection(4,127.,0.,2.2); | |
1215 | tpcrp->DefineSection(5,127.5,0.,2.2); | |
1216 | // | |
1217 | TGeoVolume *tpcrpv = new TGeoVolume("TPC_RP",tpcrp,m6); | |
1218 | // | |
1219 | // adding short pieces and right plug | |
78134e48 | 1220 | // |
ceb660a9 | 1221 | tpcrrod->AddNode(spart,1,new TGeoTranslation(0.,0.,-114.)); |
1222 | tpcrrod->AddNode(spart,2,new TGeoTranslation(0.,0.,114.)); | |
1223 | tpcrrod->AddNode(ringv,23,new TGeoTranslation(0.,0.,-123.)); | |
1224 | tpcrrod->AddNode(ringv,24,new TGeoTranslation(0.,0.,123.)); | |
6c0ba48f | 1225 | tpcrrod->AddNode(tpcrpv,1); |
78134e48 | 1226 | // |
0f788f87 | 1227 | tpcmrod->AddNode(mrods,1,new TGeoTranslation(0.,0.,-114.)); |
1228 | tpcmrod->AddNode(mrods,2,new TGeoTranslation(0.,0.,114.)); | |
1229 | tpcmrod->AddNode(ringv,25,new TGeoTranslation(0.,0.,-123.)); | |
1230 | tpcmrod->AddNode(ringv,26,new TGeoTranslation(0.,0.,123.)); | |
6c0ba48f | 1231 | tpcmrod->AddNode(tpcrpv,2); |
78134e48 | 1232 | // |
6c0ba48f | 1233 | // from the ringv position to the CM is 3.0 cm! |
1234 | //---------------------------------------- | |
78134e48 | 1235 | // |
78134e48 | 1236 | // |
6c0ba48f | 1237 | //HV rods - makrolon + 0.58cm (diameter) Cu ->check the length |
1238 | TGeoTube *hvr = new TGeoTube(0.,1.465,123.); | |
1239 | TGeoTube *hvc = new TGeoTube(0.,0.29,123.); | |
0f788f87 | 1240 | // |
1241 | TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6); | |
1242 | TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7); | |
1243 | hvrv->AddNode(hvcv,1); | |
78134e48 | 1244 | // |
0f788f87 | 1245 | //resistor rod |
1246 | // | |
6c0ba48f | 1247 | TGeoTube *cr = new TGeoTube(0.,0.45,123.); |
1248 | TGeoTube *cw = new TGeoTube(0.,0.15,123.); | |
0f788f87 | 1249 | TGeoVolume *crv = new TGeoVolume("TPC_CR",cr,m10); |
ceb660a9 | 1250 | TGeoVolume *cwv = new TGeoVolume("TPC_W",cw,m12); |
0f788f87 | 1251 | // |
1252 | // ceramic rod with water | |
1253 | // | |
1254 | crv->AddNode(cwv,1); | |
1255 | // | |
1256 | //peek rod | |
1257 | // | |
6c0ba48f | 1258 | TGeoTube *pr =new TGeoTube(0.2,0.35,123.); |
ceb660a9 | 1259 | TGeoVolume *prv = new TGeoVolume("TPC_PR",pr,m11); |
0f788f87 | 1260 | // |
1261 | // copper plates with connectors | |
1262 | // | |
1263 | new TGeoTube("tub",0.,1.7,0.025); | |
1264 | // | |
1265 | // half space - points on the plane and a normal vector | |
1266 | // | |
1267 | Double_t n[3],p[3]; | |
1268 | Double_t slope = TMath::Tan(22.*TMath::DegToRad()); | |
1269 | Double_t intp = 1.245; | |
1270 | // | |
1271 | Double_t b = slope*slope+1.; | |
1272 | p[0]=intp*slope/b; | |
1273 | p[1]=-intp/b; | |
1274 | p[2]=0.; | |
1275 | // | |
1276 | n[0]=-p[0]; | |
1277 | n[1]=-p[1]; | |
1278 | n[2]=0.; | |
1279 | Double_t norm; | |
1280 | norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]); | |
1281 | n[0] /= norm; | |
1282 | n[1] /=norm; | |
1283 | // | |
1284 | new TGeoHalfSpace("sp1",p,n); | |
1285 | // | |
1286 | slope = -slope; | |
1287 | // | |
1288 | p[0]=intp*slope/b; | |
1289 | p[1]=-intp/b; | |
1290 | // | |
1291 | n[0]=-p[0]; | |
1292 | n[1]=-p[1]; | |
1293 | norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]); | |
1294 | n[0] /= norm; | |
1295 | n[1] /=norm; | |
1296 | // | |
1297 | new TGeoHalfSpace("sp2",p,n); | |
1298 | // holes for rods | |
1299 | //holes | |
1300 | new TGeoTube("h1",0.,0.5,0.025); | |
1301 | new TGeoTube("h2",0.,0.35,0.025); | |
1302 | //translations: | |
1303 | TGeoTranslation *ttr11 = new TGeoTranslation("ttr11",-0.866,0.5,0.); | |
1304 | TGeoTranslation *ttr22 = new TGeoTranslation("ttr22",0.866,0.5,0.); | |
1305 | ttr11->RegisterYourself(); | |
1306 | ttr22->RegisterYourself(); | |
1307 | // elastic connector | |
1308 | new TGeoBBox("elcon",0.72,0.005,0.3); | |
1309 | TGeoRotation *crr1 = new TGeoRotation(); | |
1310 | crr1->RotateZ(-22.); | |
1311 | TGeoCombiTrans *ctr1 = new TGeoCombiTrans("ctr1",-0.36011, -1.09951,-0.325,crr1); | |
1312 | ctr1->RegisterYourself(); | |
1313 | TGeoCompositeShape *cs1 = new TGeoCompositeShape("cs1", | |
1314 | "(((((tub-h1:ttr11)-h1:ttr22)-sp1)-sp2)-h2)+elcon:ctr1"); | |
1315 | // | |
1316 | TGeoVolume *csvv = new TGeoVolume("TPC_RR_CU",cs1,m7); | |
1317 | // | |
1318 | // resistor rod assembly 2 ceramic rods, peak rod, Cu plates | |
1319 | // and resistors | |
1320 | // | |
ceb660a9 | 1321 | TGeoVolumeAssembly *rrod = new TGeoVolumeAssembly("TPC_RRIN"); |
0f788f87 | 1322 | // rods |
1323 | rrod->AddNode(crv,1,ttr11); | |
1324 | rrod->AddNode(crv,2,ttr22); | |
1325 | rrod->AddNode(prv,1); | |
1326 | //Cu plates | |
1327 | for(Int_t i=0;i<165;i++){ | |
1328 | rrod->AddNode(csvv,i+1,new TGeoTranslation(0.,0.,-122.675+i*1.5)); | |
1329 | } | |
1330 | //resistors | |
1331 | TGeoTube *res = new TGeoTube(0.,0.15,0.5); | |
cc8d387d | 1332 | TGeoVolume *resv = new TGeoVolume("TPC_RES",res,m14); |
0f788f87 | 1333 | TGeoVolumeAssembly *ress = new TGeoVolumeAssembly("TPC_RES_CH"); |
1334 | ress->AddNode(resv,1,new TGeoTranslation(0.2,0.,0.)); | |
1335 | ress->AddNode(resv,2,new TGeoTranslation(-0.2,0.,0.)); | |
1336 | // | |
1337 | TGeoRotation *crr2 = new TGeoRotation(); | |
1338 | crr2->RotateY(30.); | |
1339 | TGeoRotation *crr3 = new TGeoRotation(); | |
1340 | crr3->RotateY(-30.); | |
1341 | // | |
1342 | for(Int_t i=0;i<164;i+=2){ | |
1343 | rrod->AddNode(ress,i+1, new TGeoCombiTrans(0.,1.2,-121.925+i*1.5,crr2)); | |
1344 | rrod->AddNode(ress,i+2, new TGeoCombiTrans(0.,1.2,-121.925+(i+1)*1.5,crr3)); | |
1345 | } | |
ceb660a9 | 1346 | |
d00b3fc6 | 1347 | tpcrrod->AddNode(rrod,1,new TGeoCombiTrans(0.,0.,0.5,crr1)); |
6c0ba48f | 1348 | // |
1349 | // rod left head with holders - inner | |
1350 | // | |
1351 | // first element - support for inner holder TPC_IHS | |
1352 | Double_t shift1[3] = {0.0,-0.175,0.0}; | |
1353 | ||
1354 | new TGeoBBox("tpcihs1", 4.7, 0.66, 2.35); | |
1355 | new TGeoBBox("tpcihs2", 4.7, 0.485, 1.0, shift1); | |
1356 | new TGeoBBox("tpcihs3", 1.5, 0.485, 2.35, shift1); | |
1357 | new TGeoTube("tpcihs4", 0.0, 2.38, 0.1); | |
1358 | // | |
1359 | Double_t pointstrap[16]; | |
1360 | pointstrap[0]= 0.0; | |
1361 | pointstrap[1]= 0.0; | |
1362 | pointstrap[2]= 0.0; | |
1363 | pointstrap[3]= 1.08; | |
1364 | pointstrap[4]= 2.3; | |
1365 | pointstrap[5]= 1.08; | |
1366 | pointstrap[6]= 3.38; | |
1367 | pointstrap[7]= 0.0; | |
1368 | pointstrap[8]= 0.0; | |
1369 | pointstrap[9]= 0.0; | |
1370 | pointstrap[10]= 0.0; | |
1371 | pointstrap[11]= 1.08; | |
1372 | pointstrap[12]= 2.3; | |
1373 | pointstrap[13]= 1.08; | |
1374 | pointstrap[14]= 3.38; | |
1375 | pointstrap[15]= 0.0; | |
1376 | // | |
1377 | TGeoArb8 *tpcihs5 = new TGeoArb8("tpcihs5", 0.6, pointstrap); | |
1378 | // | |
1379 | // half space - cutting "legs" | |
1380 | // | |
1381 | p[0]=0.0; | |
1382 | p[1]=0.105; | |
1383 | p[2]=0.0; | |
1384 | // | |
1385 | n[0] = 0.0; | |
1386 | n[1] = 1.0; | |
1387 | n[2] = 0.0; | |
1388 | ||
1389 | new TGeoHalfSpace("cutil1", p, n); | |
1390 | ||
1391 | // | |
1392 | // transformations | |
1393 | // | |
1394 | TGeoTranslation *trans2 = new TGeoTranslation("trans2", 0.0, 2.84, 2.25); | |
1395 | trans2->RegisterYourself(); | |
1396 | TGeoTranslation*trans3= new TGeoTranslation("trans3", 0.0, 2.84, -2.25); | |
1397 | trans3->RegisterYourself(); | |
1398 | //support - composite volume | |
1399 | // | |
1400 | TGeoCompositeShape *tpcihs6 = new TGeoCompositeShape("tpcihs6", "tpcihs1-(tpcihs2+tpcihs3)-(tpcihs4:trans2)-(tpcihs4:trans3)-cutil1"); | |
1401 | // | |
1402 | // volumes - all makrolon | |
1403 | // | |
1404 | TGeoVolume *tpcihss = new TGeoVolume("TPC_IHSS", tpcihs6, m6); //support | |
1405 | TGeoVolume *tpcihst = new TGeoVolume("TPC_IHSTR",tpcihs5 , m6); //trapesoid | |
1406 | //now assembly | |
1407 | TGeoRotation *rot111 = new TGeoRotation(); | |
1408 | rot111->RotateY(180.0); | |
1409 | // | |
1410 | TGeoVolumeAssembly *tpcihs = new TGeoVolumeAssembly("TPC_IHS"); // assembly of the support | |
1411 | tpcihs->AddNode(tpcihss, 1); | |
1412 | tpcihs->AddNode(tpcihst, 1, new TGeoTranslation(-4.7, 0.66, 0.0)); | |
1413 | tpcihs->AddNode(tpcihst, 2, new TGeoCombiTrans(4.7, 0.66, 0.0, rot111)); | |
1414 | // | |
1415 | // two rod holders (TPC_IRH) assembled with the support | |
1416 | // | |
1417 | new TGeoBBox("tpcirh1", 4.7, 1.33, 0.5); | |
1418 | shift1[0]=-3.65; | |
1419 | shift1[1]=0.53; | |
1420 | shift1[2]=0.; | |
1421 | new TGeoBBox("tpcirh2", 1.05, 0.8, 0.5, shift1); | |
1422 | shift1[0]=3.65; | |
1423 | shift1[1]=0.53; | |
1424 | shift1[2]=0.; | |
1425 | new TGeoBBox("tpcirh3", 1.05, 0.8, 0.5, shift1); | |
1426 | shift1[0]=0.0; | |
1427 | shift1[1]=1.08; | |
1428 | shift1[2]=0.; | |
1429 | new TGeoBBox("tpcirh4", 1.9, 0.25, 0.5, shift1); | |
1430 | new TGeoTube("tpcirh5", 0, 1.9, 5); | |
1431 | // | |
1432 | TGeoTranslation *trans4 = new TGeoTranslation("trans4", 0, 0.83, 0.0); | |
1433 | trans4->RegisterYourself(); | |
1434 | // | |
1435 | TGeoCompositeShape *tpcirh6 = new TGeoCompositeShape("tpcirh6", "tpcirh1-tpcirh2-tpcirh3-(tpcirh5:trans4)-tpcirh4"); | |
1436 | // | |
1437 | // now volume | |
1438 | // | |
1439 | TGeoVolume *tpcirh = new TGeoVolume("TPC_IRH", tpcirh6, m6); | |
1440 | // | |
1441 | // and all together... | |
1442 | // | |
1443 | TGeoVolume *tpciclamp = new TGeoVolumeAssembly("TPC_ICLP"); | |
1444 | tpciclamp->AddNode(tpcihs, 1); | |
1445 | tpciclamp->AddNode(tpcirh, 1, new TGeoTranslation(0, 1.99, 1.1)); | |
1446 | tpciclamp->AddNode(tpcirh, 2, new TGeoTranslation(0, 1.99, -1.1)); | |
1447 | // | |
1448 | // and now left inner "head" | |
1449 | // | |
1450 | TGeoPcon *inplug = new TGeoPcon("inplug", 0.0, 360.0, 14); | |
1451 | ||
1452 | inplug->DefineSection(0, 0.3, 0.0, 2.2); | |
1453 | inplug->DefineSection(1, 0.6, 0.0, 2.2); | |
1454 | ||
1455 | inplug->DefineSection(2, 0.6, 0.0, 1.75); | |
1456 | inplug->DefineSection(3, 0.7, 0.0, 1.75); | |
1457 | ||
1458 | inplug->DefineSection(4, 0.7, 1.55, 1.75); | |
1459 | inplug->DefineSection(5, 1.6, 1.55, 1.75); | |
1460 | ||
1461 | inplug->DefineSection(6, 1.6, 1.55, 2.2); | |
1462 | inplug->DefineSection(7, 1.875, 1.55, 2.2); | |
1463 | ||
1464 | inplug->DefineSection(8, 1.875, 1.55, 2.2); | |
1465 | inplug->DefineSection(9, 2.47, 1.75, 2.2); | |
1466 | ||
1467 | inplug->DefineSection(10, 2.47, 1.75, 2.08); | |
1468 | inplug->DefineSection(11, 2.57, 1.8, 2.08); | |
1469 | ||
1470 | inplug->DefineSection(12, 2.57, 1.92, 2.08); | |
1471 | inplug->DefineSection(13, 2.95, 1.92, 2.08); | |
1472 | // | |
1473 | shift1[0]=0.0; | |
1474 | shift1[1]=-2.09; | |
1475 | shift1[2]=1.075; | |
1476 | // | |
1477 | new TGeoBBox("pcuti", 1.5, 0.11, 1.075, shift1); | |
1478 | // | |
1479 | TGeoCompositeShape *inplleft = new TGeoCompositeShape("inplleft", "inplug-pcuti"); | |
1480 | TGeoVolume *tpcinlplug = new TGeoVolume("TPC_INPLL", inplleft, m6); | |
1481 | // | |
1482 | // holder + plugs | |
1483 | // | |
1484 | TGeoVolume *tpcihpl = new TGeoVolumeAssembly("TPC_IHPL"); //holder+2 plugs (reflected) | |
1485 | tpcihpl->AddNode(tpcinlplug, 1); | |
1486 | tpcihpl->AddNode(tpcinlplug, 2,ref); | |
1487 | tpcihpl->AddNode(tpciclamp,1,new TGeoTranslation(0.0, -2.765, 0.0)); | |
1488 | // | |
1489 | // outer holders and clamps | |
1490 | // | |
1491 | ||
1492 | // outer membrane holder (between rods) | |
1493 | pointstrap[0]= 0.0; | |
1494 | pointstrap[1]= 0.0; | |
1495 | pointstrap[2]= 0.0; | |
1496 | pointstrap[3]= 2.8; | |
1497 | pointstrap[4]= 3.1; | |
1498 | pointstrap[5]= 2.8-3.1*TMath::Tan(15.*TMath::DegToRad()); | |
1499 | pointstrap[6]= 3.1; | |
1500 | pointstrap[7]= 0.0; | |
1501 | pointstrap[8]= 0.0; | |
1502 | pointstrap[9]= 0.0; | |
1503 | pointstrap[10]= 0.0; | |
1504 | pointstrap[11]= 2.8; | |
1505 | pointstrap[12]= 3.1; | |
1506 | pointstrap[13]= 2.8-3.1*TMath::Tan(15.*TMath::DegToRad()); | |
1507 | pointstrap[14]= 3.1; | |
1508 | pointstrap[15]= 0.0; | |
1509 | // | |
1510 | TGeoArb8 *tpcomh1 = new TGeoArb8("tpcomh1", 1.05, pointstrap); | |
1511 | TGeoBBox *tpcomh2 = new TGeoBBox("tpcomh2", 0.8, 1.4, 6); | |
1512 | // | |
1513 | TGeoVolume *tpcomh1v = new TGeoVolume("TPC_OMH1", tpcomh1, m7); | |
1514 | TGeoVolume *tpcomh2v = new TGeoVolume("TPC_OMH2", tpcomh2, m7); | |
1515 | // | |
1516 | TGeoVolume *tpcomh3v = new TGeoVolumeAssembly("TPC_OMH3"); // assembly1 | |
1517 | tpcomh3v->AddNode(tpcomh1v, 1, new TGeoTranslation(0.8, -1.4, 4.95)); | |
1518 | tpcomh3v->AddNode(tpcomh1v, 2, new TGeoTranslation(0.8, -1.4, -4.95)); | |
1519 | tpcomh3v->AddNode(tpcomh2v, 1); | |
1520 | // | |
1521 | shift1[0] = 0.9; | |
1522 | shift1[1] = -1.85; | |
1523 | shift1[2] = 0.0; | |
1524 | // | |
1525 | new TGeoBBox("tpcomh3", 1.65, 1.15, 3.4); | |
1526 | TGeoBBox *tpcomh4 = new TGeoBBox("tpcomh4", 0.75, 0.7, 3.4, shift1); | |
1527 | // | |
1528 | // halfspace 1 | |
1529 | // | |
1530 | p[0] = 0.0; | |
1531 | p[1] = -1.05; | |
1532 | p[2] = -3.4; | |
1533 | // | |
1534 | n[0] = 0.0; | |
1535 | n[1] = -1.0*TMath::Tan(30.*TMath::DegToRad()); | |
1536 | n[2] = 1.0; | |
1537 | // | |
1538 | new TGeoHalfSpace("cutomh1", p, n); | |
1539 | // | |
1540 | // halfspace 2 | |
1541 | // | |
1542 | p[0] = 0.0; | |
1543 | p[1] = -1.05; | |
1544 | p[2] = 3.4; | |
1545 | // | |
1546 | n[0] = 0.0; | |
1547 | n[1] = -1.0*TMath::Tan(30.*TMath::DegToRad()); | |
1548 | n[2] = -1.0; | |
1549 | // | |
1550 | new TGeoHalfSpace("cutomh2", p, n); | |
1551 | // | |
1552 | // halfspace 3 | |
1553 | // | |
1554 | p[0] = -1.65; | |
1555 | p[1] = 0.0; | |
1556 | p[2] = -0.9; | |
1557 | // | |
1558 | n[0] = 1.0*TMath::Tan(75.*TMath::DegToRad()); | |
1559 | n[1] = 0.0; | |
1560 | n[2] = 1.0; | |
1561 | // | |
1562 | new TGeoHalfSpace("cutomh3", p, n); | |
1563 | // | |
1564 | // halfspace 4 | |
1565 | // | |
1566 | p[0] = -1.65; | |
1567 | p[1] = 0.0; | |
1568 | p[2] = 0.9; | |
1569 | // | |
1570 | n[0] = 1.0*TMath::Tan(75*TMath::DegToRad()); | |
1571 | n[1] = 0.0; | |
1572 | n[2] = -1.0; | |
1573 | // | |
1574 | new TGeoHalfSpace("cutomh4", p, n); | |
1575 | // | |
1576 | // halsfspace 5 | |
1577 | // | |
1578 | p[0] = 1.65; | |
1579 | p[1] = -1.05; | |
1580 | p[2] = 0.0; | |
1581 | // | |
1582 | n[0] = -1.0; | |
1583 | n[1] = -1.0*TMath::Tan(20.*TMath::DegToRad()); | |
1584 | n[2] = 0.0; | |
1585 | // | |
1586 | new TGeoHalfSpace("cutomh5", p, n); | |
1587 | // | |
1588 | TGeoCompositeShape *tpcomh5 = new TGeoCompositeShape("tpcomh5", "tpcomh3-cutomh1-cutomh2-cutomh3-cutomh4-cutomh5"); | |
1589 | // | |
1590 | TGeoVolume *tpcomh5v = new TGeoVolume("TPC_OMH5",tpcomh5,m6); | |
1591 | TGeoVolume *tpcomh4v = new TGeoVolume("TPC_OMH6",tpcomh4,m6); | |
1592 | // | |
1593 | TGeoVolumeAssembly *tpcomh7v = new TGeoVolumeAssembly("TPC_OMH7"); | |
1594 | tpcomh7v->AddNode(tpcomh5v,1); | |
1595 | tpcomh7v->AddNode(tpcomh4v,1); | |
1596 | // | |
1597 | // full membrane holder - tpcomh3v + tpcomh7v | |
1598 | // | |
1599 | TGeoVolumeAssembly *tpcomh = new TGeoVolumeAssembly("TPC_OMH"); | |
1600 | tpcomh->AddNode(tpcomh3v,1,new TGeoTranslation(1.5,0.,0.)); | |
1601 | tpcomh->AddNode(tpcomh3v,2,new TGeoCombiTrans(-1.5,0.,0.,rot111)); | |
1602 | tpcomh->AddNode(tpcomh7v,1,new TGeoTranslation(0.65+1.5, 2.55, 0.0)); | |
1603 | tpcomh->AddNode(tpcomh7v,2,new TGeoCombiTrans(-0.65-1.5, 2.55, 0.0,rot111)); | |
1604 | // | |
1605 | // outer rod holder support | |
1606 | // | |
1607 | new TGeoBBox("tpcohs1", 3.8, 0.675, 2.35); | |
1608 | // | |
1609 | shift1[0] = 0.0; | |
1610 | shift1[1] = 0.175; | |
1611 | shift1[2] = 0.0; | |
1612 | // | |
1613 | new TGeoBBox("tpcohs2", 1.5, 0.5, 2.35, shift1); | |
1614 | new TGeoBBox("tpcohs3", 3.8, 0.5, 0.85, shift1); | |
1615 | // | |
1616 | shift1[0] = 0.0; | |
1617 | shift1[1] = -1.175; | |
1618 | shift1[2] = 0.0; | |
1619 | // | |
1620 | TGeoBBox *tpcohs4 = new TGeoBBox("tpsohs4", 3.1, 0.5, 0.7, shift1); | |
1621 | // | |
1622 | TGeoVolume *tpcohs4v = new TGeoVolume("TPC_OHS4", tpcohs4, m6); | |
1623 | // | |
1624 | p[0] = 0.0; | |
1625 | p[1] = -0.186; | |
1626 | p[2] = 0.0; | |
1627 | // | |
1628 | n[0] = 0.0; | |
1629 | n[1] = -1.0; | |
1630 | n[2] = 0.0; | |
1631 | // | |
1632 | new TGeoHalfSpace("cutohs1", p, n); | |
1633 | // | |
1634 | TGeoCompositeShape *tpcohs5 = new TGeoCompositeShape("tpcohs5", "tpcohs1-tpcohs2-tpcohs3-cutohs1"); | |
1635 | TGeoVolume *tpcohs5v = new TGeoVolume("TPC_OHS5", tpcohs5, m6); | |
1636 | // | |
1637 | TGeoVolumeAssembly *tpcohs = new TGeoVolumeAssembly("TPC_OHS"); | |
1638 | tpcohs->AddNode(tpcohs5v, 1); | |
1639 | tpcohs->AddNode(tpcohs4v, 1); | |
1640 | // | |
1641 | // outer rod holder itself | |
1642 | // | |
1643 | shift1[0] = 0.0; | |
1644 | shift1[1] = 1.325; | |
1645 | shift1[2] = 0.0; | |
1646 | new TGeoBBox("tpcorh1", 3.1, 1.825, 0.55); //from this box we cut pieces... | |
1647 | // | |
1648 | shift1[0] = -3.1; | |
1649 | shift1[1] = -0.5; | |
1650 | shift1[2] = 0.0; | |
1651 | // | |
1652 | new TGeoBBox("tpcorh2", 0.5, 2.75, 1.1, shift1); | |
1653 | // | |
1654 | shift1[0] = 3.1; | |
1655 | shift1[1] = -0.5; | |
1656 | shift1[2] = 0.0; | |
1657 | // | |
1658 | new TGeoBBox("tpcorh3", 0.5, 2.75, 1.1, shift1); | |
1659 | // | |
1660 | shift1[0] = 0.0; | |
1661 | shift1[1] = -0.5; | |
1662 | shift1[2] = -0.95; | |
1663 | // | |
1664 | new TGeoBBox("tpcorh4", 3.9, 2.75, 0.5, shift1); | |
1665 | // | |
1666 | shift1[0] = 0.0; | |
1667 | shift1[1] = -0.5; | |
1668 | shift1[2] = 0.0; | |
1669 | // | |
1670 | new TGeoBBox("tpcorh5", 1.95, 0.5, 1.1, shift1); | |
1671 | // | |
1672 | shift1[0] = 0.0; | |
1673 | shift1[1] = -0.5; | |
1674 | shift1[2] = 0.55; | |
1675 | // | |
1676 | new TGeoBBox("tpcorh6", 2.4, 0.5, 0.6, shift1); | |
1677 | // | |
1678 | new TGeoTube("tpcorh7", 0, 1.95, 0.85); | |
1679 | new TGeoTube("tpcorh8", 0, 2.4, 0.6); | |
1680 | // | |
1681 | TGeoTranslation *trans33 = new TGeoTranslation("trans33", 0.0, 0.0, 0.55); | |
1682 | trans33->RegisterYourself(); | |
1683 | // | |
1684 | TGeoCompositeShape *tpcorh9 = new TGeoCompositeShape("tpcorh9", "tpcorh1-tpcorh2-tpcorh3-tpcorh4-tpcorh5-tpcorh6-(tpcorh8:trans33)-tpcorh7"); | |
1685 | // | |
1686 | TGeoVolume *tpcorh9v = new TGeoVolume("TPC_ORH",tpcorh9,m6); //outer rod holder | |
1687 | // | |
1688 | // now 2 holders together | |
1689 | // | |
1690 | TGeoVolumeAssembly *tpcorh = new TGeoVolumeAssembly("TPC_ORH2"); | |
1691 | // | |
1692 | tpcorh->AddNode(tpcorh9v,1,new TGeoTranslation(0.0, 0.0, 1.25)); | |
1693 | tpcorh->AddNode(tpcorh9v,2,new TGeoCombiTrans(0.0, 0.0, -1.25,rot111)); | |
1694 | // | |
1695 | // outer rod plug left | |
1696 | // | |
1697 | TGeoPcon *outplug = new TGeoPcon("outplug", 0.0, 360.0, 14); | |
1698 | ||
1699 | outplug->DefineSection(0, 0.5, 0.0, 2.2); | |
1700 | outplug->DefineSection(1, 0.7, 0.0, 2.2); | |
1701 | ||
1702 | outplug->DefineSection(2, 0.7, 1.55, 2.2); | |
1703 | outplug->DefineSection(3, 0.8, 1.55, 2.2); | |
1704 | ||
1705 | outplug->DefineSection(4, 0.8, 1.55, 1.75); | |
1706 | outplug->DefineSection(5, 1.2, 1.55, 1.75); | |
1707 | ||
1708 | outplug->DefineSection(6, 1.2, 1.55, 2.2); | |
1709 | outplug->DefineSection(7, 1.875, 1.55, 2.2); | |
1710 | ||
1711 | outplug->DefineSection(8, 1.875, 1.55, 2.2); | |
1712 | outplug->DefineSection(9, 2.47, 1.75, 2.2); | |
1713 | ||
1714 | outplug->DefineSection(10, 2.47, 1.75, 2.08); | |
1715 | outplug->DefineSection(11, 2.57, 1.8, 2.08); | |
1716 | ||
1717 | outplug->DefineSection(12, 2.57, 1.92, 2.08); | |
1718 | outplug->DefineSection(13, 2.95, 1.92, 2.08); | |
1719 | // | |
1720 | shift1[0] = 0.0; | |
1721 | shift1[1] = 2.09; | |
1722 | shift1[2] = 1.01; | |
1723 | ||
1724 | new TGeoBBox("cutout", 2.5, 0.11, 1.01, shift1); | |
1725 | // | |
1726 | ||
1727 | TGeoCompositeShape *outplleft = new TGeoCompositeShape("outplleft", "outplug-cutout"); | |
1728 | TGeoVolume *outplleftv = new TGeoVolume("TPC_OPLL", outplleft, m6); | |
1729 | // | |
1730 | // support + holder + plug | |
1731 | // | |
1732 | ||
1733 | ||
1734 | TGeoVolumeAssembly *tpcohpl = new TGeoVolumeAssembly("TPC_OHPL"); | |
1735 | // | |
1736 | tpcohpl->AddNode(outplleftv,1); //plug | |
1737 | tpcohpl->AddNode(outplleftv,2,ref); //plug reflected | |
1738 | tpcohpl->AddNode(tpcorh,1); //rod holder | |
1739 | tpcohpl->AddNode(tpcohs,1,new TGeoTranslation(0.0, 3.925, 0)); // support | |
1740 | // | |
1741 | ||
1742 | // | |
1743 | // main membrane holder | |
1744 | // | |
1745 | pointstrap[0]= 0.0; | |
1746 | pointstrap[1]= 0.0; | |
1747 | pointstrap[2]= 0.0; | |
1748 | pointstrap[3]= 2.8; | |
1749 | pointstrap[4]= 3.1; | |
1750 | pointstrap[5]= 1.96; | |
1751 | pointstrap[6]= 3.1; | |
1752 | pointstrap[7]= 0.0; | |
1753 | pointstrap[8]= 0.0; | |
1754 | pointstrap[9]= 0.0; | |
1755 | pointstrap[10]= 0.0; | |
1756 | pointstrap[11]= 2.8; | |
1757 | pointstrap[12]= 3.1; | |
1758 | pointstrap[13]= 1.96; | |
1759 | pointstrap[14]= 3.1; | |
1760 | pointstrap[15]= 0.0; | |
1761 | // | |
1762 | TGeoArb8 *tpcmmh1 = new TGeoArb8("tpcmmh1", 1.75, pointstrap); | |
1763 | TGeoBBox *tpcmmh2 = new TGeoBBox("tpcmmh2", 0.8, 1.4, 12.5); | |
1764 | // | |
1765 | TGeoVolume *tpcmmh1v = new TGeoVolume("TPC_MMH1", tpcmmh1, m6); | |
1766 | TGeoVolume *tpcmmh2v = new TGeoVolume("TPC_MMH2", tpcmmh2, m6); | |
1767 | // | |
1768 | TGeoVolumeAssembly *tpcmmhs = new TGeoVolumeAssembly("TPC_MMHS"); | |
1769 | tpcmmhs->AddNode(tpcmmh1v,1,new TGeoTranslation(0.8, -1.4, 10.75)); | |
1770 | tpcmmhs->AddNode(tpcmmh1v,2,new TGeoTranslation(0.8, -1.4, -10.75)); | |
1771 | tpcmmhs->AddNode(tpcmmh2v,1); | |
1772 | // | |
1773 | // main membrahe holder clamp | |
1774 | // | |
1775 | shift1[0] = -0.75; | |
1776 | shift1[1] = -1.15; | |
1777 | shift1[2] = 0.0; | |
1778 | // | |
1779 | new TGeoBBox("tpcmmhc1", 1.65, 1.85, 8.9); | |
1780 | new TGeoBBox("tpcmmhc2", 0.9, 0.7, 8.9, shift1); | |
1781 | // | |
1782 | // half spaces - cuts | |
1783 | // | |
1784 | p[0] = -1.65; | |
1785 | p[1] = 0.0; | |
1786 | p[2] = -0.9; | |
1787 | // | |
1788 | n[0] = 8.0; | |
1789 | n[1] = 0.0; | |
1790 | n[2] = 8.0*TMath::Tan(13.*TMath::DegToRad()); | |
1791 | // | |
1792 | new TGeoHalfSpace("cutmmh1", p, n); | |
1793 | // | |
1794 | p[0] = -1.65; | |
1795 | p[1] = 0.0; | |
1796 | p[2] = 0.9; | |
1797 | // | |
1798 | n[0] = 8.0; | |
1799 | n[1] = 0.0; | |
1800 | n[2] = -8.0*TMath::Tan(13.*TMath::DegToRad()); | |
1801 | // | |
1802 | new TGeoHalfSpace("cutmmh2", p, n); | |
1803 | // | |
1804 | p[0] = 0.0; | |
1805 | p[1] = 1.85; | |
1806 | p[2] = -2.8; | |
1807 | // | |
1808 | n[0] = 0.0; | |
1809 | n[1] = -6.1; | |
1810 | n[2] = 6.1*TMath::Tan(20.*TMath::DegToRad()); | |
1811 | // | |
1812 | new TGeoHalfSpace("cutmmh3", p, n); | |
1813 | // | |
1814 | p[0] = 0.0; | |
1815 | p[1] = 1.85; | |
1816 | p[2] = 2.8; | |
1817 | // | |
1818 | n[0] = 0.0; | |
1819 | n[1] = -6.1; | |
1820 | n[2] = -6.1*TMath::Tan(20*TMath::DegToRad()); | |
1821 | // | |
1822 | new TGeoHalfSpace("cutmmh4", p, n); | |
1823 | // | |
1824 | p[0] = 0.75; | |
1825 | p[1] = 0.0; | |
1826 | p[2] = -8.9; | |
1827 | // | |
1828 | n[0] = 2.4*TMath::Tan(30*TMath::DegToRad()); | |
1829 | n[1] = 0.0; | |
1830 | n[2] = 2.4; | |
1831 | // | |
1832 | new TGeoHalfSpace("cutmmh5", p, n); | |
1833 | // | |
1834 | p[0] = 0.75; | |
1835 | p[1] = 0.0; | |
1836 | p[2] = 8.9; | |
1837 | // | |
1838 | n[0] = 2.4*TMath::Tan(30*TMath::DegToRad()); | |
1839 | n[1] = 0.0; | |
1840 | n[2] = -2.4; | |
1841 | // | |
1842 | new TGeoHalfSpace("cutmmh6", p, n); | |
1843 | ||
1844 | TGeoCompositeShape *tpcmmhc = new TGeoCompositeShape("TPC_MMHC", "tpcmmhc1-tpcmmhc2-cutmmh1-cutmmh2-cutmmh3-cutmmh4-cutmmh5-cutmmh6"); | |
1845 | ||
1846 | TGeoVolume *tpcmmhcv = new TGeoVolume("TPC_MMHC",tpcmmhc,m6); | |
1847 | // | |
1848 | TGeoVolume *tpcmmh = new TGeoVolumeAssembly("TPC_MMH"); | |
1849 | // | |
1850 | tpcmmh->AddNode(tpcmmhcv,1,new TGeoTranslation(0.65+1.5, 1.85, 0.0)); | |
1851 | tpcmmh->AddNode(tpcmmhcv,2,new TGeoCombiTrans(-0.65-1.5, 1.85, 0.0,rot111)); | |
1852 | tpcmmh->AddNode(tpcmmhs,1,new TGeoTranslation(1.5, 0.0, 0.0)); | |
1853 | tpcmmh->AddNode(tpcmmhs,2,new TGeoCombiTrans(-1.5, 0.0, 0.0,rot111)); | |
1854 | // | |
1855 | ||
1856 | // | |
1857 | ||
1858 | //-------------------------------------------- | |
7f96259a | 1859 | // |
1860 | // guard ring resistor chain | |
1861 | // | |
232c5b28 | 1862 | |
1863 | TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc | |
7f96259a | 1864 | // |
cc8d387d | 1865 | TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m14); |
232c5b28 | 1866 | |
7f96259a | 1867 | // |
1868 | Double_t xrc,yrc; | |
1869 | // | |
7f96259a | 1870 | xrc=79.3*TMath::Cos(350.*TMath::DegToRad()); |
1871 | yrc=79.3*TMath::Sin(350.*TMath::DegToRad()); | |
1872 | // | |
232c5b28 | 1873 | v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9)); |
1874 | v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9)); | |
1875 | // | |
e079adac | 1876 | xrc=79.3*TMath::Cos(190.*TMath::DegToRad()); |
1877 | yrc=79.3*TMath::Sin(190.*TMath::DegToRad()); | |
232c5b28 | 1878 | // |
1879 | v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9)); | |
1880 | v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9)); | |
0f788f87 | 1881 | //------------------------------------------------------------------ |
1882 | TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.); | |
1883 | TGeoRotation rotrod("rotrod"); | |
0f788f87 | 1884 | // |
2d1d58a6 | 1885 | TGeoRotation *rotpos[2]; |
1886 | // | |
1887 | TGeoRotation *rotrod1[2]; | |
6c0ba48f | 1888 | |
0f788f87 | 1889 | |
1890 | //v9 - drift gas | |
1891 | ||
6c0ba48f | 1892 | TGeoRotation rot102("rot102"); |
1893 | rot102.RotateY(-90.); | |
1894 | ||
7281dc07 | 1895 | for(Int_t i=0;i<18;i++){ |
c1637e41 | 1896 | Double_t angle,x,y; |
1897 | Double_t z,r; | |
1898 | angle=TMath::DegToRad()*20.*(Double_t)i; | |
0f788f87 | 1899 | //inner rods |
c1637e41 | 1900 | r=81.5; |
1901 | x=r * TMath::Cos(angle); | |
1902 | y=r * TMath::Sin(angle); | |
6c0ba48f | 1903 | z = 126.; |
1904 | TGeoRotation *rot12 = new TGeoRotation(); | |
1905 | rot12->RotateZ(-90.0+i*20.); | |
1906 | v9->AddNode(tpcihpl,i+1,new TGeoCombiTrans(x, y, 0., rot12)); | |
c449e944 | 1907 | // |
0f788f87 | 1908 | if(i==11){//resistor rod inner |
1909 | rotrod.RotateZ(-90.+angle); | |
2d1d58a6 | 1910 | rotrod1[0]= new TGeoRotation(); |
1911 | rotpos[0]= new TGeoRotation(); | |
1912 | // | |
1913 | rotrod1[0]->RotateZ(-90.+angle); | |
1914 | *rotpos[0] = refl*rotrod; //rotation+reflection | |
ceb660a9 | 1915 | v9->AddNode(tpcrrod,1,new TGeoCombiTrans(x,y, z, rotrod1[0])); //A |
1916 | v9->AddNode(tpcrrod,2,new TGeoCombiTrans(x,y,-z, rotpos[0])); //C | |
78134e48 | 1917 | } |
1918 | else { | |
0f788f87 | 1919 | v9->AddNode(tpcmrod,i+1,new TGeoTranslation(x,y,z));//shaft |
1920 | v9->AddNode(tpcmrod,i+19,new TGeoCombiTrans(x,y,-z,ref));//muon | |
c1637e41 | 1921 | } |
0f788f87 | 1922 | // outer rods |
c1637e41 | 1923 | r=254.25; |
1924 | x=r * TMath::Cos(angle); | |
1925 | y=r * TMath::Sin(angle); | |
6c0ba48f | 1926 | z=126.; |
1927 | // | |
1928 | // outer rod holder + outer left plug | |
1929 | // | |
1930 | TGeoRotation *rot33 = new TGeoRotation(); | |
1931 | rot33->RotateZ(-90+i*20.); | |
1932 | // | |
1933 | v9->AddNode(tpcohpl,i+1,new TGeoCombiTrans(x, y, 0., rot33)); | |
1934 | // | |
1935 | Double_t xxx = 256.297*TMath::Cos((i*20.+10.)*TMath::DegToRad()); | |
1936 | Double_t yyy = 256.297*TMath::Sin((i*20.+10.)*TMath::DegToRad()); | |
1937 | // | |
1938 | TGeoRotation rot101("rot101"); | |
1939 | rot101.RotateZ(90.+i*20.+10.); | |
1940 | TGeoRotation *rot103 = new TGeoRotation("rot103"); | |
1941 | *rot103 = rot101*rot102; | |
1942 | // | |
1943 | TGeoCombiTrans *trh100 = new TGeoCombiTrans(xxx,yyy,0.,rot103); | |
1944 | // | |
1945 | if(i==2) { | |
1946 | //main membrane holder | |
1947 | v9->AddNode(tpcmmh,1,trh100); | |
1948 | } | |
1949 | else{ | |
1950 | // "normal" membrane holder | |
1951 | v9->AddNode(tpcomh,i+1,trh100); | |
1952 | } | |
1953 | ||
78134e48 | 1954 | // |
0f788f87 | 1955 | if(i==3){//resistor rod outer |
1956 | rotrod.RotateZ(90.+angle); | |
2d1d58a6 | 1957 | rotrod1[1]= new TGeoRotation(); |
1958 | rotpos[1]= new TGeoRotation(); | |
1959 | rotrod1[1]->RotateZ(90.+angle); | |
1960 | *rotpos[1] = refl*rotrod;//rotation+reflection | |
ceb660a9 | 1961 | v9->AddNode(tpcrrod,3,new TGeoCombiTrans(x,y, z, rotrod1[1])); //A |
1962 | v9->AddNode(tpcrrod,4,new TGeoCombiTrans(x,y, -z, rotpos[1])); //C | |
78134e48 | 1963 | } |
0f788f87 | 1964 | else { |
1965 | v9->AddNode(tpcmrod,i+37,new TGeoTranslation(x,y,z));//shaft | |
1966 | v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon | |
78134e48 | 1967 | } |
0f788f87 | 1968 | if(i==15){ |
cf84f9b1 | 1969 | v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z+0.7)); //hv->A-side only |
6c0ba48f | 1970 | |
1971 | ||
78134e48 | 1972 | } |
0f788f87 | 1973 | } //end of rods positioning |
69776907 | 1974 | |
bde68ab0 | 1975 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); |
1976 | alice->AddNode(v1,1); | |
c1637e41 | 1977 | |
37831078 | 1978 | } // end of function |
1979 | ||
ac81c411 | 1980 | //_____________________________________________________________________________ |
1981 | void AliTPCv2::AddAlignableVolumes() const | |
1982 | { | |
1983 | // | |
1984 | // Create entries for alignable volumes associating the symbolic volume | |
1985 | // name with the corresponding volume path. Needs to be syncronized with | |
1986 | // eventual changes in the geometry. | |
1987 | // | |
1988 | SetInnerChambersAlignable(); | |
1989 | SetOuterChambersAlignable(); | |
1990 | } | |
1991 | ||
1992 | //_____________________________________________________________________________ | |
1993 | void AliTPCv2::SetInnerChambersAlignable() const | |
1994 | { | |
1995 | // | |
cdf69b9a | 1996 | AliGeomManager::ELayerID idTPC1 = AliGeomManager::kTPC1; |
1997 | Int_t modUID, modnum = 0; | |
d899e254 | 1998 | TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_"; |
1999 | TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_"; | |
2000 | TString vpappend = "/TPC_IROC_1"; | |
2001 | TString snstr1="TPC/EndcapA/Sector"; | |
2002 | TString snstr2="TPC/EndcapC/Sector"; | |
2003 | TString snappend="/InnerChamber"; | |
ac81c411 | 2004 | TString volpath, symname; |
2005 | ||
1ac29fc4 | 2006 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 2007 | modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++); |
1ac29fc4 | 2008 | volpath = vpstr1; |
2009 | volpath += cnt; | |
2010 | volpath += vpappend; | |
2011 | symname = snstr1; | |
2012 | symname += cnt; | |
2013 | symname += snappend; | |
cdf69b9a | 2014 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 2015 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 2016 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
2017 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 2018 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1); |
2019 | alignableEntry->SetMatrix(matTtoL); | |
1ac29fc4 | 2020 | } |
65293f49 | 2021 | |
ac81c411 | 2022 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 2023 | modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++); |
d899e254 | 2024 | volpath = vpstr2; |
ac81c411 | 2025 | volpath += cnt; |
d899e254 | 2026 | volpath += vpappend; |
2027 | symname = snstr2; | |
ac81c411 | 2028 | symname += cnt; |
d899e254 | 2029 | symname += snappend; |
cdf69b9a | 2030 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 2031 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 2032 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
2033 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 2034 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1); |
2035 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 2036 | } |
2037 | } | |
2038 | ||
ac81c411 | 2039 | //_____________________________________________________________________________ |
2040 | void AliTPCv2::SetOuterChambersAlignable() const | |
2041 | { | |
2042 | // | |
cdf69b9a | 2043 | AliGeomManager::ELayerID idTPC2 = AliGeomManager::kTPC2; |
2044 | Int_t modUID, modnum = 0; | |
d899e254 | 2045 | TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_"; |
2046 | TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_"; | |
2047 | TString vpappend = "/TPC_OROC_1"; | |
2048 | TString snstr1="TPC/EndcapA/Sector"; | |
2049 | TString snstr2="TPC/EndcapC/Sector"; | |
2050 | TString snappend="/OuterChamber"; | |
ac81c411 | 2051 | TString volpath, symname; |
2052 | ||
2053 | for(Int_t cnt=1; cnt<=18; cnt++){ | |
cdf69b9a | 2054 | modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++); |
d899e254 | 2055 | volpath = vpstr1; |
ac81c411 | 2056 | volpath += cnt; |
d899e254 | 2057 | volpath += vpappend; |
2058 | symname = snstr1; | |
ac81c411 | 2059 | symname += cnt; |
d899e254 | 2060 | symname += snappend; |
cdf69b9a | 2061 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 2062 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 2063 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
2064 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 2065 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1); |
2066 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 2067 | } |
84cbbd90 | 2068 | |
ac81c411 | 2069 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 2070 | modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++); |
d899e254 | 2071 | volpath = vpstr2; |
ac81c411 | 2072 | volpath += cnt; |
d899e254 | 2073 | volpath += vpappend; |
2074 | symname = snstr2; | |
ac81c411 | 2075 | symname += cnt; |
d899e254 | 2076 | symname += snappend; |
cdf69b9a | 2077 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 2078 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 2079 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
2080 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 2081 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1); |
2082 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 2083 | } |
2084 | } | |
2085 | ||
37831078 | 2086 | |
2087 | //_____________________________________________________________________________ | |
2088 | void AliTPCv2::CreateMaterials() | |
2089 | { | |
2090 | // | |
2091 | // Define materials for version 2 of the Time Projection Chamber | |
2092 | // | |
2093 | ||
2094 | AliTPC::CreateMaterials(); | |
2095 | } | |
2096 | ||
2097 | //_____________________________________________________________________________ | |
2098 | void AliTPCv2::Init() | |
2099 | { | |
2100 | // | |
2101 | // Initialises version 2 of the TPC after that it has been built | |
2102 | // | |
2103 | ||
2104 | Int_t *idtmed = fIdtmed->GetArray(); | |
2105 | ||
2106 | AliTPC::Init(); | |
d4c354b9 | 2107 | |
c1637e41 | 2108 | |
2942f542 | 2109 | fIdSens=TVirtualMC::GetMC()->VolId("TPC_Strip"); // one strip is always selected... |
d4c354b9 | 2110 | |
2942f542 | 2111 | fIDrift=TVirtualMC::GetMC()->VolId("TPC_Drift"); |
c1637e41 | 2112 | fSecOld=-100; // fake number |
37831078 | 2113 | |
2942f542 | 2114 | TVirtualMC::GetMC()->SetMaxNStep(-120000); // max. number of steps increased |
37831078 | 2115 | |
4481461d | 2116 | if (fPrimaryIonisation) { |
098dfc1a | 2117 | // for FLUKA |
2942f542 | 2118 | TVirtualMC::GetMC()->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential |
4481461d | 2119 | |
2942f542 | 2120 | TVirtualMC::GetMC()->Gstpar(idtmed[2],"PRIMIO_N", 14.35); |
2121 | TVirtualMC::GetMC()->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss | |
2122 | TVirtualMC::GetMC()->Gstpar(idtmed[2],"STRA",4); | |
098dfc1a | 2123 | } |
2124 | // specific energy loss for geant3 is now defined in galice.cuts | |
4481461d | 2125 | |
37831078 | 2126 | |
a9d15241 | 2127 | AliDebug(1,"*** TPC version 2 initialized ***"); |
2942f542 | 2128 | AliDebug(1,Form("Maximum number of steps = %d",TVirtualMC::GetMC()->GetMaxNStep())); |
37831078 | 2129 | |
2130 | // | |
fe4da5cc | 2131 | |
2132 | } | |
2133 | ||
2134 | //_____________________________________________________________________________ | |
2135 | void AliTPCv2::StepManager() | |
2136 | { | |
2137 | // | |
2138 | // Called for every step in the Time Projection Chamber | |
2139 | // | |
2140 | ||
2141 | // | |
2142 | // parameters used for the energy loss calculations | |
2143 | // | |
566637aa | 2144 | //const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
2145 | //const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
2146 | //const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
44f994b5 | 2147 | const Float_t kScalewIonG4 = 0.85; // scale factor to tune kwIon for Geant4 |
2148 | const Float_t kFanoFactorG4 = 0.7; // parameter for smearing the number of ionizations (nel) using Geant4 | |
ec6ac410 | 2149 | const Int_t kMaxDistRef =15; // maximal difference between 2 stored references |
566637aa | 2150 | Float_t prim = fTPCParam->GetNprim(); |
2151 | Float_t poti = fTPCParam->GetFpot(); | |
2152 | Float_t wIon = fTPCParam->GetWmean(); | |
fe4da5cc | 2153 | |
73042f01 | 2154 | const Float_t kbig = 1.e10; |
fe4da5cc | 2155 | |
2156 | Int_t id,copy; | |
e61fd20d | 2157 | Float_t hits[5]; |
fe4da5cc | 2158 | Int_t vol[2]; |
37831078 | 2159 | TLorentzVector p; |
fe4da5cc | 2160 | |
37831078 | 2161 | vol[1]=0; // preset row number to 0 |
fe4da5cc | 2162 | // |
2942f542 | 2163 | if (!fPrimaryIonisation) TVirtualMC::GetMC()->SetMaxStep(kbig); |
fe4da5cc | 2164 | |
2942f542 | 2165 | if(!TVirtualMC::GetMC()->IsTrackAlive()) return; // particle has disappeared |
fe4da5cc | 2166 | |
2942f542 | 2167 | Float_t charge = TVirtualMC::GetMC()->TrackCharge(); |
fe4da5cc | 2168 | |
2169 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
2170 | ||
37831078 | 2171 | // check the sensitive volume |
2172 | ||
2942f542 | 2173 | id = TVirtualMC::GetMC()->CurrentVolID(copy); // vol ID and copy number (starts from 1!) |
c1637e41 | 2174 | if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume |
da33556f | 2175 | |
2ddbb964 | 2176 | if ( fPrimaryIonisation && id == fIDrift ) { |
2942f542 | 2177 | Double_t rnd = TVirtualMC::GetMC()->GetRandom()->Rndm(); |
2178 | TVirtualMC::GetMC()->SetMaxStep(0.2+(2.*rnd-1.)*0.05); // 2 mm +- rndm*0.5mm step | |
2ddbb964 | 2179 | } |
2180 | ||
2942f542 | 2181 | //if ( fPrimaryIonisation && id == fIDrift && TVirtualMC::GetMC()->IsTrackEntering()) { |
2182 | // TVirtualMC::GetMC()->SetMaxStep(0.2); // 2 mm | |
2ddbb964 | 2183 | //} |
2184 | ||
2942f542 | 2185 | TVirtualMC::GetMC()->TrackPosition(p); |
c1637e41 | 2186 | Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); |
2187 | // | |
2188 | ||
2189 | // | |
2190 | Double_t angle = TMath::ACos(p[0]/r); | |
2191 | angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle; | |
2192 | // | |
2193 | // angular segment, it is not a real sector number... | |
2194 | // | |
2195 | Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/ | |
2196 | fTPCParam->GetInnerAngle()); | |
2197 | // rotate to segment "0" | |
2198 | Float_t cos,sin; | |
2199 | fTPCParam->AdjustCosSin(sector,cos,sin); | |
2200 | Float_t x1=p[0]*cos + p[1]*sin; | |
2201 | // check if within sector's limits | |
5bd5dbc4 | 2202 | if((x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp()) |
2203 | ||(x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp())){ | |
c1637e41 | 2204 | // calculate real sector number... |
2205 | if (x1>fTPCParam->GetOuterRadiusLow()){ | |
2206 | sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/ | |
2207 | fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector(); | |
2208 | if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1); | |
37831078 | 2209 | } |
c1637e41 | 2210 | else |
2211 | if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1); | |
2212 | // | |
2213 | // here I have a sector number | |
2214 | // | |
37831078 | 2215 | |
c1637e41 | 2216 | vol[0]=sector; |
ec6ac410 | 2217 | |
2218 | static Double_t lastReferenceR=0; | |
2219 | if (TMath::Abs(lastReferenceR-r)>kMaxDistRef){ | |
2220 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC); | |
2221 | lastReferenceR = r; | |
2222 | } | |
2223 | ||
c1637e41 | 2224 | // check if change of sector |
2225 | if(sector != fSecOld){ | |
2226 | fSecOld=sector; | |
2227 | // add track reference | |
e6add757 | 2228 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC); |
c1637e41 | 2229 | } |
2230 | // track is in the sensitive strip | |
2231 | if(id == fIdSens){ | |
2232 | // track is entering the strip | |
2942f542 | 2233 | if (TVirtualMC::GetMC()->IsTrackEntering()){ |
c1637e41 | 2234 | Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp(); |
2235 | vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows; | |
2236 | // row numbers are autonomous for lower and upper sectors | |
2237 | if(vol[0] > fTPCParam->GetNInnerSector()) { | |
2238 | vol[1] -= fTPCParam->GetNRowLow(); | |
2239 | } | |
2240 | // | |
2241 | if(vol[0]<fTPCParam->GetNInnerSector()&&vol[1] == 0){ | |
37831078 | 2242 | |
c1637e41 | 2243 | // lower sector, row 0, because Jouri wants to have this |
37831078 | 2244 | |
2942f542 | 2245 | TVirtualMC::GetMC()->TrackMomentum(p); |
c1637e41 | 2246 | hits[0]=p[0]; |
2247 | hits[1]=p[1]; | |
2248 | hits[2]=p[2]; | |
2249 | hits[3]=0.; // this hit has no energy loss | |
2250 | // Get also the track time for pileup simulation | |
2942f542 | 2251 | hits[4]=TVirtualMC::GetMC()->TrackTime(); |
6a905708 | 2252 | |
c1637e41 | 2253 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); |
2254 | } | |
2255 | // | |
e61fd20d | 2256 | |
2942f542 | 2257 | TVirtualMC::GetMC()->TrackPosition(p); |
c1637e41 | 2258 | hits[0]=p[0]; |
2259 | hits[1]=p[1]; | |
2260 | hits[2]=p[2]; | |
2261 | hits[3]=0.; // this hit has no energy loss | |
2262 | // Get also the track time for pileup simulation | |
2942f542 | 2263 | hits[4]=TVirtualMC::GetMC()->TrackTime(); |
930ee558 | 2264 | |
c1637e41 | 2265 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); |
37831078 | 2266 | |
c1637e41 | 2267 | } |
2268 | else return; | |
2269 | } | |
37831078 | 2270 | //----------------------------------------------------------------- |
c1637e41 | 2271 | // charged particle is in the sensitive drift volume |
37831078 | 2272 | //----------------------------------------------------------------- |
2942f542 | 2273 | if(TVirtualMC::GetMC()->TrackStep() > 0) { |
b97617a6 | 2274 | Int_t nel=0; |
2275 | if (!fPrimaryIonisation) { | |
2942f542 | 2276 | nel = (Int_t)(((TVirtualMC::GetMC()->Edep())-poti)/wIon) + 1; |
b97617a6 | 2277 | } |
2278 | else { | |
44f994b5 | 2279 | |
2280 | /* | |
63414189 | 2281 | static Double_t deForNextStep = 0.; |
2282 | // Geant4 (the meaning of Edep as in Geant3) - wrong | |
2942f542 | 2283 | //nel = (Int_t)(((TVirtualMC::GetMC()->Edep())-poti)/wIon) + 1; |
63414189 | 2284 | |
2285 | // Geant4 (the meaning of Edep as in Geant3) - NEW | |
2942f542 | 2286 | Double_t eAvailable = TVirtualMC::GetMC()->Edep() + deForNextStep; |
566637aa | 2287 | nel = (Int_t)(eAvailable/wIon); |
2288 | deForNextStep = eAvailable - nel*wIon; | |
44f994b5 | 2289 | */ |
2290 | ||
2291 | //new Geant4-approach | |
2942f542 | 2292 | Double_t meanIon = TVirtualMC::GetMC()->Edep()/(wIon*kScalewIonG4); |
44f994b5 | 2293 | nel = (Int_t) ( kFanoFactorG4*AliMathBase::Gamma(meanIon/kFanoFactorG4)); // smear nel using gamma distr w mean = meanIon and variance = meanIon/kFanoFactorG4 |
b97617a6 | 2294 | } |
fe4da5cc | 2295 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
c1637e41 | 2296 | // |
2942f542 | 2297 | TVirtualMC::GetMC()->TrackPosition(p); |
37831078 | 2298 | hits[0]=p[0]; |
2299 | hits[1]=p[1]; | |
2300 | hits[2]=p[2]; | |
fe4da5cc | 2301 | hits[3]=(Float_t)nel; |
c1637e41 | 2302 | |
fe4da5cc | 2303 | // Add this hit |
c1637e41 | 2304 | |
97d77e7a | 2305 | // if (fHitType&&2){ |
2306 | if(fHitType){ | |
2942f542 | 2307 | TVirtualMC::GetMC()->TrackMomentum(p); |
6a905708 | 2308 | Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); |
2309 | Float_t precision = (momentum>0.1) ? 0.002 :0.01; | |
2310 | fTrackHits->SetHitPrecision(precision); | |
2311 | } | |
e61fd20d | 2312 | |
2313 | // Get also the track time for pileup simulation | |
2942f542 | 2314 | hits[4]=TVirtualMC::GetMC()->TrackTime(); |
c1637e41 | 2315 | |
2316 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); | |
0f2ff24c | 2317 | if (fDebugStreamer){ |
2318 | // You can dump here what you need | |
2319 | // function CreateDebugStremer() to be called in the Config.C macro | |
2320 | // if you want to enable it | |
2321 | // By default debug streaemer is OFF | |
2942f542 | 2322 | Float_t edep = TVirtualMC::GetMC()->Edep(); |
2323 | Float_t tstep = TVirtualMC::GetMC()->TrackStep(); | |
2324 | Int_t pid=TVirtualMC::GetMC()->TrackPid(); | |
0f2ff24c | 2325 | (*fDebugStreamer)<<"hit"<< |
2326 | "x="<<hits[0]<< // hit position | |
2327 | "y="<<hits[1]<< | |
2328 | "z="<<hits[2]<< | |
2329 | "nel="<<hits[3]<< // number of electorns | |
2330 | "tof="<<hits[4]<< // hit TOF | |
2331 | "edep="<<edep<< // energy deposit | |
2332 | "pid="<<pid<< // pid | |
2333 | "step="<<tstep<< | |
2334 | "p.="<<&p<< | |
2335 | "\n"; | |
2336 | } | |
2337 | ||
c1637e41 | 2338 | } // step>0 |
2339 | } //within sector's limits | |
fe4da5cc | 2340 | // Stemax calculation for the next step |
2341 | ||
2342 | Float_t pp; | |
0a6d8768 | 2343 | TLorentzVector mom; |
b97617a6 | 2344 | // below is valid only for Geant3 (fPromaryIonisation not set) |
2345 | if(!fPrimaryIonisation){ | |
2942f542 | 2346 | TVirtualMC::GetMC()->TrackMomentum(mom); |
b97617a6 | 2347 | Float_t ptot=mom.Rho(); |
2942f542 | 2348 | Float_t betaGamma = ptot/TVirtualMC::GetMC()->TrackMass(); |
595bf2c3 | 2349 | |
2942f542 | 2350 | //Int_t pid=TVirtualMC::GetMC()->TrackPid(); |
2505f4c6 | 2351 | // if((pid==kElectron || pid==kPositron) && ptot > 0.002) |
2352 | // { | |
2353 | // pp = prim*1.58; // electrons above 20 MeV/c are on the plateau! | |
2354 | // } | |
2355 | // else | |
2356 | // { | |
2357 | ||
2358 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg | |
2359 | TVectorD *bbpar = fTPCParam->GetBetheBlochParameters(); //get parametrization from OCDB | |
2360 | pp=prim*AliMathBase::BetheBlochAleph(betaGamma,(*bbpar)(0),(*bbpar)(1),(*bbpar)(2),(*bbpar)(3),(*bbpar)(4)); | |
2361 | // } | |
fe4da5cc | 2362 | |
2942f542 | 2363 | Double_t rnd = TVirtualMC::GetMC()->GetRandom()->Rndm(); |
fe4da5cc | 2364 | |
2942f542 | 2365 | TVirtualMC::GetMC()->SetMaxStep(-TMath::Log(rnd)/pp); |
b97617a6 | 2366 | } |
c1637e41 | 2367 | |
fe4da5cc | 2368 | } |
2369 | ||
73042f01 | 2370 |