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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" | |
47 | #include "TGeoPgon.h" | |
48 | #include "TGeoTrd1.h" | |
49 | #include "TGeoCompositeShape.h" | |
50 | #include "TGeoPara.h" | |
1ac29fc4 | 51 | #include "TGeoPhysicalNode.h" |
0f788f87 | 52 | #include "TGeoHalfSpace.h" |
0f2ff24c | 53 | #include "TTreeStream.h" |
1ac29fc4 | 54 | |
c1637e41 | 55 | ClassImp(AliTPCv2) |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliTPCv2::AliTPCv2(const char *name, const char *title) : | |
e046d791 | 59 | AliTPC(name, title), |
60 | fIdSens(0), | |
61 | fIDrift(0), | |
62 | fSecOld(0) | |
c1637e41 | 63 | { |
64 | // | |
65 | // Standard constructor for Time Projection Chamber version 2 | |
66 | // | |
6a905708 | 67 | |
37831078 | 68 | |
c1637e41 | 69 | SetBufferSize(128000); |
79575d04 | 70 | |
79575d04 | 71 | |
db2fdcfb | 72 | // if (fTPCParam) |
73 | // fTPCParam->Write(fTPCParam->GetTitle()); | |
c1637e41 | 74 | } |
75 | ||
76 | //_____________________________________________________________________________ | |
77 | void AliTPCv2::CreateGeometry() | |
78 | { | |
79 | // | |
80 | // Create the geometry of Time Projection Chamber version 2 | |
81 | // | |
82 | //Begin_Html | |
83 | /* | |
84 | <img src="picts/AliTPC.gif"> | |
85 | */ | |
86 | //End_Html | |
87 | //Begin_Html | |
88 | /* | |
89 | <img src="picts/AliTPCv2Tree.gif"> | |
90 | */ | |
91 | //End_Html | |
37831078 | 92 | |
93 | //---------------------------------------------------------- | |
c1637e41 | 94 | // This geometry is written using TGeo class |
95 | // Firstly the shapes are defined, and only then the volumes | |
96 | // What is recognized by the MC are volumes | |
37831078 | 97 | //---------------------------------------------------------- |
c1637e41 | 98 | // |
99 | // tpc - this will be the mother volume | |
100 | // | |
37831078 | 101 | |
c1637e41 | 102 | // |
103 | // here I define a volume TPC | |
104 | // retrive the medium name with "TPC_" as a leading string | |
105 | // | |
efe14311 | 106 | TGeoPcon *tpc = new TGeoPcon(0.,360.,24); //24 sections |
c1637e41 | 107 | // |
78134e48 | 108 | tpc->DefineSection(0,-291.,77.,278.); |
109 | tpc->DefineSection(1,-270,77.,278.); | |
c1637e41 | 110 | // |
78134e48 | 111 | tpc->DefineSection(2,-270.,77.,278.); |
112 | tpc->DefineSection(3,-259.6,70.,278.); | |
c1637e41 | 113 | // |
78134e48 | 114 | tpc->DefineSection(4,-259.6,68.1,278.); |
115 | tpc->DefineSection(5,-253.6,68.1,278.); | |
c1637e41 | 116 | // |
78134e48 | 117 | tpc->DefineSection(6,-253.6,68.,278.); |
118 | tpc->DefineSection(7,-74.0,60.8,278.); | |
c1637e41 | 119 | // |
78134e48 | 120 | tpc->DefineSection(8,-74.0,60.1,278.); |
121 | tpc->DefineSection(9,-73.3,60.1,278.); | |
c1637e41 | 122 | // |
78134e48 | 123 | tpc->DefineSection(10,-73.3,56.9,278.); |
efe14311 | 124 | tpc->DefineSection(11,-68.5,56.9,278.); |
c1637e41 | 125 | // |
efe14311 | 126 | tpc->DefineSection(12,-68.5,60.,278.); |
127 | tpc->DefineSection(13,-65.,60.,278.); | |
c1637e41 | 128 | // |
efe14311 | 129 | tpc->DefineSection(14,-65.,56.9,278.); |
130 | tpc->DefineSection(15,73.3,56.9,278.); | |
78134e48 | 131 | // |
efe14311 | 132 | tpc->DefineSection(16,73.3,60.1,278.); |
133 | tpc->DefineSection(17,74.0,60.1,278.); | |
78134e48 | 134 | // |
efe14311 | 135 | tpc->DefineSection(18,74.0,60.8,278.); |
136 | tpc->DefineSection(19,253.6,65.5,278.); | |
137 | // | |
138 | tpc->DefineSection(20,253.6,65.6,278.); | |
139 | tpc->DefineSection(21,259.6,65.6,278.); | |
140 | // | |
141 | tpc->DefineSection(22,259.6,70.0,278.); | |
142 | tpc->DefineSection(23,291.,77.,278.); | |
c1637e41 | 143 | // |
144 | TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air"); | |
145 | TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1); | |
146 | // | |
147 | // drift volume - sensitive volume, extended beyond the | |
148 | // endcaps, because of the alignment | |
149 | // | |
150 | TGeoPcon *dvol = new TGeoPcon(0.,360.,6); | |
151 | dvol->DefineSection(0,-260.,74.5,264.4); | |
152 | dvol->DefineSection(1,-253.6,74.5,264.4); | |
153 | // | |
154 | dvol->DefineSection(2,-253.6,76.6774,258.); | |
155 | dvol->DefineSection(3,253.6,76.6774,258.); | |
156 | // | |
157 | dvol->DefineSection(4,253.6,74.5,264.4); | |
158 | dvol->DefineSection(5,260.,74.5,264.4); | |
159 | // | |
160 | TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2"); | |
161 | TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5); | |
162 | // | |
163 | v1->AddNode(v9,1); | |
164 | // | |
165 | // outer insulator | |
166 | // | |
167 | TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator | |
168 | // | |
169 | tpco->DefineSection(0,-256.6,264.8,278.); | |
170 | tpco->DefineSection(1,-253.6,264.8,278.); | |
171 | // | |
172 | tpco->DefineSection(2,-253.6,258.,278.); | |
173 | tpco->DefineSection(3,250.6,258.,278.); | |
174 | // | |
175 | tpco->DefineSection(4,250.6,258.,275.5); | |
176 | tpco->DefineSection(5,253.6,258.,275.5); | |
177 | // | |
178 | TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2"); | |
179 | TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2); | |
180 | // | |
c449e944 | 181 | TGeoRotation *segrot;//segment rotations |
182 | // | |
c1637e41 | 183 | // outer containment vessel |
184 | // | |
185 | TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel | |
186 | // | |
187 | tocv->DefineSection(0,-256.6,264.8,278.); | |
188 | tocv->DefineSection(1,-253.6,264.8,278.); | |
189 | // | |
190 | tocv->DefineSection(2,-253.6,274.8124,278.); | |
191 | tocv->DefineSection(3,247.6,274.8124,278.); | |
192 | // | |
193 | tocv->DefineSection(4,247.6,270.4,278.); | |
194 | tocv->DefineSection(5,250.6,270.4,278.); | |
195 | // | |
196 | TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al"); | |
197 | TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3); | |
198 | // | |
c449e944 | 199 | TGeoTubeSeg *to1 = new TGeoTubeSeg(274.8174,277.995,252.1,0.,59.9); //epoxy |
200 | TGeoTubeSeg *to2 = new TGeoTubeSeg(274.8274,277.985,252.1,0.,59.9); //tedlar | |
201 | TGeoTubeSeg *to3 = new TGeoTubeSeg(274.8312,277.9812,252.1,0.,59.9);//prepreg2 | |
202 | TGeoTubeSeg *to4 = new TGeoTubeSeg(274.9062,277.9062,252.1,0.,59.9);//nomex | |
203 | TGeoTubeSeg *tog5 = new TGeoTubeSeg(274.8174,277.995,252.1,59.9,60.);//epoxy | |
c1637e41 | 204 | // |
205 | TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy"); | |
206 | TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar"); | |
207 | TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2"); | |
208 | TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex"); | |
209 | // | |
210 | TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1); | |
211 | TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2); | |
212 | TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3); | |
213 | TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4); | |
c449e944 | 214 | TGeoVolume *togv5 = new TGeoVolume("TPC_OCVG5",tog5,sm1); |
215 | //------------------------------------------------------- | |
c1637e41 | 216 | // Tpc Outer Field Cage |
217 | // daughters - composite (sandwich) | |
218 | //------------------------------------------------------- | |
37831078 | 219 | |
c1637e41 | 220 | TGeoPcon *tofc = new TGeoPcon(0.,360.,6); |
221 | // | |
222 | tofc->DefineSection(0,-253.6,258.,269.6); | |
223 | tofc->DefineSection(1,-250.6,258.,269.6); | |
224 | // | |
225 | tofc->DefineSection(2,-250.6,258.,260.0676); | |
226 | tofc->DefineSection(3,250.6,258.,260.0676); | |
227 | // | |
228 | tofc->DefineSection(4,250.6,258.,275.5); | |
229 | tofc->DefineSection(5,253.6,258.,275.5); | |
230 | // | |
231 | TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3); | |
232 | //sandwich | |
c449e944 | 233 | TGeoTubeSeg *tf1 = new TGeoTubeSeg(258.0,260.0676,252.1,0.,59.9); //tedlar |
234 | TGeoTubeSeg *tf2 = new TGeoTubeSeg(258.0038,260.0638,252.1,0.,59.9); //prepreg3 | |
235 | TGeoTubeSeg *tf3 = new TGeoTubeSeg(258.0338,260.0338,252.1,0.,59.9);//nomex | |
236 | TGeoTubeSeg *tfg4 = new TGeoTubeSeg(258.0,260.0676,252.1,59.9,60.); //epoxy glue | |
c1637e41 | 237 | // |
238 | TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3"); | |
239 | // | |
240 | TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2); | |
241 | TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5); | |
242 | TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4); | |
c449e944 | 243 | TGeoVolume *tfg4v = new TGeoVolume("TPC_OFCG4",tfg4,sm1); |
c1637e41 | 244 | // |
245 | // outer part - positioning | |
246 | // | |
c449e944 | 247 | tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);//ocv |
248 | // | |
249 | tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);//ofc | |
c1637e41 | 250 | // |
c449e944 | 251 | TGeoVolumeAssembly *t200 = new TGeoVolumeAssembly("TPC_OCVSEG"); |
252 | TGeoVolumeAssembly *t300 = new TGeoVolumeAssembly("TPC_OFCSEG"); | |
c1637e41 | 253 | // |
c449e944 | 254 | // assembly OCV and OFC |
255 | // | |
256 | // 1st - no rotation | |
257 | t200->AddNode(tov1,1); t200->AddNode(togv5,1); | |
258 | t300->AddNode(tf1v,1); t300->AddNode(tfg4v,1); | |
259 | // 2nd - rotation 60 deg | |
260 | segrot = new TGeoRotation(); | |
261 | segrot->RotateZ(60.); | |
262 | t200->AddNode(tov1,2,segrot); t200->AddNode(togv5,2,segrot); | |
263 | t300->AddNode(tf1v,2,segrot); t300->AddNode(tfg4v,2,segrot); | |
264 | // 3rd rotation 120 deg | |
265 | segrot = new TGeoRotation(); | |
266 | segrot->RotateZ(120.); | |
267 | t200->AddNode(tov1,3,segrot); t200->AddNode(togv5,3,segrot); | |
268 | t300->AddNode(tf1v,3,segrot); t300->AddNode(tfg4v,3,segrot); | |
269 | //4th rotation 180 deg | |
270 | segrot = new TGeoRotation(); | |
271 | segrot->RotateZ(180.); | |
272 | t200->AddNode(tov1,4,segrot); t200->AddNode(togv5,4,segrot); | |
273 | t300->AddNode(tf1v,4,segrot); t300->AddNode(tfg4v,4,segrot); | |
274 | //5th rotation 240 deg | |
275 | segrot = new TGeoRotation(); | |
276 | segrot->RotateZ(240.); | |
277 | t200->AddNode(tov1,5,segrot); t200->AddNode(togv5,5,segrot); | |
278 | t300->AddNode(tf1v,5,segrot); t300->AddNode(tfg4v,5,segrot); | |
279 | //6th rotation 300 deg | |
280 | segrot = new TGeoRotation(); | |
281 | segrot->RotateZ(300.); | |
282 | t200->AddNode(tov1,6,segrot); t200->AddNode(togv5,6,segrot); | |
283 | t300->AddNode(tf1v,6,segrot); t300->AddNode(tfg4v,6,segrot); | |
284 | // | |
285 | v3->AddNode(t200,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(t300,1); | |
c1637e41 | 286 | // |
287 | v2->AddNode(v3,1); v2->AddNode(v4,1); | |
288 | // | |
289 | v1->AddNode(v2,1); | |
290 | //-------------------------------------------------------------------- | |
291 | // Tpc Inner INsulator (CO2) | |
292 | // the cones, the central drum and the inner f.c. sandwich with a piece | |
293 | // of the flane will be placed in the TPC | |
294 | //-------------------------------------------------------------------- | |
295 | TGeoPcon *tpci = new TGeoPcon(0.,360.,4); | |
296 | // | |
297 | tpci->DefineSection(0,-253.6,68.4,76.6774); | |
298 | tpci->DefineSection(1,-74.0,61.2,76.6774); | |
299 | // | |
300 | tpci->DefineSection(2,74.0,61.2,76.6774); | |
301 | // | |
302 | tpci->DefineSection(3,253.6,65.9,76.6774); | |
303 | // | |
304 | TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2); | |
305 | // | |
306 | // now the inner field cage - only part of flanges (2 copies) | |
307 | // | |
308 | TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5); | |
309 | TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3); | |
310 | // | |
311 | //--------------------------------------------------------- | |
312 | // Tpc Inner Containment vessel - Muon side | |
313 | //--------------------------------------------------------- | |
314 | TGeoPcon *tcms = new TGeoPcon(0.,360.,10); | |
315 | // | |
316 | tcms->DefineSection(0,-259.1,68.1,74.2); | |
317 | tcms->DefineSection(1,-253.6,68.1,74.2); | |
318 | // | |
319 | tcms->DefineSection(2,-253.6,68.1,68.4); | |
320 | tcms->DefineSection(3,-74.0,60.9,61.2); | |
321 | // | |
322 | tcms->DefineSection(4,-74.0,60.1,61.2); | |
323 | tcms->DefineSection(5,-73.3,60.1,61.2); | |
324 | // | |
325 | tcms->DefineSection(6,-73.3,56.9,61.2); | |
326 | tcms->DefineSection(7,-73.0,56.9,61.2); | |
327 | // | |
328 | tcms->DefineSection(8,-73.0,56.9,58.8); | |
329 | tcms->DefineSection(9,-71.3,56.9,58.8); | |
330 | // | |
331 | TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3); | |
332 | //----------------------------------------------- | |
333 | // inner containment vessel - shaft side | |
334 | //----------------------------------------------- | |
335 | TGeoPcon *tcss = new TGeoPcon(0.,360.,10); | |
336 | // | |
337 | tcss->DefineSection(0,71.3,56.9,58.8); | |
338 | tcss->DefineSection(1,73.0,56.9,58.8); | |
339 | // | |
340 | tcss->DefineSection(2,73.0,56.9,61.2); | |
341 | tcss->DefineSection(3,73.3,56.9,61.2); | |
342 | // | |
343 | tcss->DefineSection(4,73.3,60.1,61.2); | |
344 | tcss->DefineSection(5,74.0,60.1,61.2); | |
345 | // | |
346 | tcss->DefineSection(6,74.0,60.9,61.2); | |
347 | tcss->DefineSection(7,253.6,65.6,65.9); | |
348 | // | |
349 | tcss->DefineSection(8,253.6,65.6,74.2); | |
350 | tcss->DefineSection(9,258.1,65.6,74.2); | |
351 | // | |
352 | TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3); | |
353 | //----------------------------------------------- | |
354 | // Inner field cage | |
355 | // define 4 parts and make an assembly | |
356 | //----------------------------------------------- | |
357 | // part1 - Al - 2 copies | |
358 | TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75); | |
359 | TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3); | |
360 | // sandwich - outermost parts - 2 copies | |
c1637e41 | 361 | // |
878dd3f2 | 362 | // segment outermost |
363 | // | |
d56d7df1 | 364 | TGeoTubeSeg *t2 = new TGeoTubeSeg(76.6774,78.845,74.175,350.,109.4); // tedlar 38 microns |
365 | TGeoTubeSeg *t3 = new TGeoTubeSeg(76.6812,78.8412,74.175,350.,109.4); // prepreg2 500 microns | |
366 | TGeoTubeSeg *t4 = new TGeoTubeSeg(76.7312,78.7912,74.175,350.,109.4); // prepreg3 300 microns | |
367 | TGeoTubeSeg *t5 = new TGeoTubeSeg(76.7612,78.7612,74.175,350.,109.4); // nomex 2 cm | |
368 | TGeoTubeSeg *tepox1 = new TGeoTubeSeg(76.6774,78.845,74.175,109.4,110.);//epoxy | |
e079adac | 369 | TGeoTubeSeg *tpr1 = new TGeoTubeSeg(78.845,78.885,74.175,109.,111.); |
878dd3f2 | 370 | |
371 | // volumes for the outer part | |
c1637e41 | 372 | TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2); |
373 | TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3); | |
374 | TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5); | |
375 | TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4); | |
878dd3f2 | 376 | TGeoVolume *tvep1 = new TGeoVolume("TPC_IFEPOX1",tepox1,sm1); |
377 | TGeoVolume *tvpr1 = new TGeoVolume("TPC_PRSTR1",tpr1,sm2); | |
c1637e41 | 378 | // |
379 | // middle parts - 2 copies | |
c1637e41 | 380 | // |
878dd3f2 | 381 | // segment middle |
382 | // | |
d56d7df1 | 383 | TGeoTubeSeg *t6 = new TGeoTubeSeg(76.6774,78.795,5.,350.,109.4); // tedlar 38 microns |
384 | TGeoTubeSeg *t7 = new TGeoTubeSeg(76.6812,78.7912,5.,350.,109.4); // prepreg2 250 microns | |
385 | TGeoTubeSeg *t8 = new TGeoTubeSeg(76.7062,78.7662,5.,350.,109.4); // prepreg3 300 microns | |
386 | TGeoTubeSeg *t9 = new TGeoTubeSeg(76.7362,78.7362,5.,350.,109.4); // nomex 2 cm | |
387 | TGeoTubeSeg *tepox2 = new TGeoTubeSeg(76.6774,78.795,5.,109.4,110.);//epoxy | |
e079adac | 388 | TGeoTubeSeg *tpr2 = new TGeoTubeSeg(78.795,78.835,5.,109.,111.); |
878dd3f2 | 389 | // volumes for the middle part |
c1637e41 | 390 | TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2); |
391 | TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3); | |
392 | TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5); | |
393 | TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4); | |
878dd3f2 | 394 | TGeoVolume *tvep2 = new TGeoVolume("TPC_IFEPOX2",tepox2,sm1); |
395 | TGeoVolume *tvpr2 = new TGeoVolume("TPC_PRSTR2",tpr2,sm2); | |
c1637e41 | 396 | // central part - 1 copy |
878dd3f2 | 397 | // |
398 | // segment central part | |
399 | // | |
d56d7df1 | 400 | TGeoTubeSeg *t10 = new TGeoTubeSeg(76.6774,78.785,93.75,350.,109.4); // tedlar 38 microns |
401 | TGeoTubeSeg *t11 = new TGeoTubeSeg(76.6812,78.7812,93.75,350.,109.4); // prepreg3 500 microns | |
402 | TGeoTubeSeg *t12 = new TGeoTubeSeg(76.7312,78.7312,93.75,350.,109.4); // nomex 2 cm | |
403 | TGeoTubeSeg *tepox3 = new TGeoTubeSeg(76.6774,78.785,93.75,109.4,110.);//epoxy | |
e079adac | 404 | TGeoTubeSeg *tpr3 = new TGeoTubeSeg(78.785,78.825,93.75,109.,111.); |
878dd3f2 | 405 | // volumes for the central part |
c1637e41 | 406 | TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2); |
407 | TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5); | |
408 | TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4); | |
878dd3f2 | 409 | TGeoVolume *tvep3 = new TGeoVolume("TPC_IFEPOX3",tepox3,sm1); |
410 | TGeoVolume *tvpr3 = new TGeoVolume("TPC_PRSTR3",tpr3,sm2); | |
c1637e41 | 411 | // |
878dd3f2 | 412 | // creating a sandwich for the outer par,t tv2 is the mother |
c1637e41 | 413 | // |
c1637e41 | 414 | tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1); |
415 | // | |
878dd3f2 | 416 | // creating a sandwich for the middle part, tv6 is the mother |
417 | // | |
c1637e41 | 418 | tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1); |
419 | // | |
878dd3f2 | 420 | // creating a sandwich for the central part, tv10 is the mother |
421 | // | |
c1637e41 | 422 | tv10->AddNode(tv11,1); tv11->AddNode(tv12,1); |
423 | // | |
878dd3f2 | 424 | TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); // ifc itself - 3 segments |
878dd3f2 | 425 | |
c1637e41 | 426 | // |
878dd3f2 | 427 | // first segment - no rotation |
428 | // | |
429 | // central | |
430 | tv100->AddNode(tv10,1); //sandwich | |
431 | tv100->AddNode(tvep3,1);//epoxy | |
432 | tv100->AddNode(tvpr3,1);//prepreg strip | |
433 | // middle | |
434 | tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); //sandwich1 | |
435 | tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); // sandwich2 | |
436 | tv100->AddNode(tvep2,1,new TGeoTranslation(0.,0.,-98.75)); //epoxy | |
437 | tv100->AddNode(tvep2,2,new TGeoTranslation(0.,0.,98.75)); //epoxy | |
438 | tv100->AddNode(tvpr2,1,new TGeoTranslation(0.,0.,-98.75));//prepreg strip | |
439 | tv100->AddNode(tvpr2,2,new TGeoTranslation(0.,0.,98.75)); | |
440 | // outer | |
441 | tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); //sandwich | |
c1637e41 | 442 | tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925)); |
878dd3f2 | 443 | tv100->AddNode(tvep1,1,new TGeoTranslation(0.,0.,-177.925)); //epoxy |
444 | tv100->AddNode(tvep1,2,new TGeoTranslation(0.,0.,177.925)); | |
445 | tv100->AddNode(tvpr1,1,new TGeoTranslation(0.,0.,-177.925));//prepreg strip | |
446 | tv100->AddNode(tvpr1,2,new TGeoTranslation(0.,0.,-177.925)); | |
447 | // | |
448 | // second segment - rotation 120 deg. | |
449 | // | |
450 | segrot = new TGeoRotation(); | |
451 | segrot->RotateZ(120.); | |
452 | // | |
453 | // central | |
454 | tv100->AddNode(tv10,2,segrot); //sandwich | |
455 | tv100->AddNode(tvep3,2,segrot);//epoxy | |
456 | tv100->AddNode(tvpr3,2,segrot);//prepreg strip | |
457 | // middle | |
458 | tv100->AddNode(tv6,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1 | |
459 | tv100->AddNode(tv6,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2 | |
460 | tv100->AddNode(tvep2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy | |
461 | tv100->AddNode(tvep2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy | |
462 | tv100->AddNode(tvpr2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip | |
463 | tv100->AddNode(tvpr2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); | |
464 | //outer | |
465 | tv100->AddNode(tv2,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich | |
466 | tv100->AddNode(tv2,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
467 | tv100->AddNode(tvep1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy | |
468 | tv100->AddNode(tvep1,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
469 | tv100->AddNode(tvpr1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip | |
470 | tv100->AddNode(tvpr1,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
471 | // | |
472 | // third segment - rotation 240 deg. | |
473 | // | |
474 | segrot = new TGeoRotation(); | |
475 | segrot->RotateZ(240.); | |
476 | // | |
477 | // central | |
478 | tv100->AddNode(tv10,3,segrot); //sandwich | |
479 | tv100->AddNode(tvep3,3,segrot);//epoxy | |
480 | tv100->AddNode(tvpr3,3,segrot);//prepreg strip | |
481 | // middle | |
482 | tv100->AddNode(tv6,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1 | |
483 | tv100->AddNode(tv6,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2 | |
484 | tv100->AddNode(tvep2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy | |
485 | tv100->AddNode(tvep2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy | |
486 | tv100->AddNode(tvpr2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip | |
487 | tv100->AddNode(tvpr2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); | |
488 | //outer | |
489 | tv100->AddNode(tv2,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich | |
490 | tv100->AddNode(tv2,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
491 | tv100->AddNode(tvep1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy | |
492 | tv100->AddNode(tvep1,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
493 | tv100->AddNode(tvpr1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip | |
494 | tv100->AddNode(tvpr1,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
495 | // Al parts - rings | |
c1637e41 | 496 | tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85)); |
497 | tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85)); | |
498 | // | |
499 | v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1)); | |
500 | v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1)); | |
501 | v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1); | |
502 | v9->AddNode(tv100,1); | |
503 | // | |
504 | // central drum | |
505 | // | |
506 | // flange + sandwich | |
507 | // | |
508 | TGeoPcon *cfl = new TGeoPcon(0.,360.,6); | |
509 | cfl->DefineSection(0,-71.1,59.7,61.2); | |
510 | cfl->DefineSection(1,-68.6,59.7,61.2); | |
511 | // | |
efbf94c5 | 512 | cfl->DefineSection(2,-68.6,60.6124,61.2); |
513 | cfl->DefineSection(3,68.6,60.6124,61.2); | |
c1637e41 | 514 | // |
515 | cfl->DefineSection(4,68.6,59.7,61.2); | |
516 | cfl->DefineSection(5,71.1,59.7,61.2); | |
517 | // | |
518 | TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3); | |
519 | // sandwich | |
d56d7df1 | 520 | TGeoTubeSeg *cd1 = new TGeoTubeSeg(60.6224,61.19,71.1,0.1,119.9); |
521 | TGeoTubeSeg *cd2 = new TGeoTubeSeg(60.6262,61.1862,71.1,0.1,119.9); | |
522 | TGeoTubeSeg *cd3 = new TGeoTubeSeg(60.6462,61.1662,71.1,0.1,119.9); | |
523 | TGeoTubeSeg *cd4 = new TGeoTubeSeg(60.6562,61.1562,71.1,0.1,119.9); | |
524 | TGeoTubeSeg *tepox4 = new TGeoTubeSeg(60.6224,61.19,71.1,359.9,0.1); | |
525 | // TGeoTube *cd1 = new TGeoTube(60.6224,61.19,71.1); | |
526 | // TGeoTube *cd2 = new TGeoTube(60.6262,61.1862,71.1); | |
527 | // TGeoTube *cd3 = new TGeoTube(60.6462,61.1662,71.1); | |
528 | // TGeoTube *cd4 = new TGeoTube(60.6562,61.1562,71.1); | |
c1637e41 | 529 | // |
530 | TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1"); | |
efbf94c5 | 531 | TGeoMedium *sm8 = gGeoManager->GetMedium("TPC_Epoxyfm"); |
c1637e41 | 532 | TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar |
533 | TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1 | |
efbf94c5 | 534 | TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm8); //epoxy film |
535 | TGeoVolume *cd4v = new TGeoVolume("TPC_CDR4",cd4,sm4); //nomex | |
d56d7df1 | 536 | TGeoVolume *tvep4 = new TGeoVolume("TPC_IFEPOX4",tepox4,sm1); |
efbf94c5 | 537 | |
c1637e41 | 538 | // |
539 | // seals for central drum 2 copies | |
540 | // | |
541 | TGeoTube *cs = new TGeoTube(56.9,61.2,0.1); | |
542 | TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar"); | |
543 | TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7); | |
3378c058 | 544 | v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2)); |
545 | v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2)); | |
c1637e41 | 546 | // |
547 | // seal collars | |
548 | TGeoPcon *se = new TGeoPcon(0.,360.,6); | |
549 | se->DefineSection(0,-72.8,59.7,61.2); | |
550 | se->DefineSection(1,-72.3,59.7,61.2); | |
551 | // | |
552 | se->DefineSection(2,-72.3,58.85,61.2); | |
553 | se->DefineSection(3,-71.6,58.85,61.2); | |
554 | // | |
555 | se->DefineSection(4,-71.6,59.7,61.2); | |
556 | se->DefineSection(5,-71.3,59.7,61.2); | |
557 | // | |
558 | TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3); | |
559 | // | |
560 | TGeoTube *si = new TGeoTube(56.9,58.8,1.); | |
561 | TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3); | |
562 | // | |
563 | // define reflection matrix | |
564 | // | |
4fa47888 | 565 | TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.); |
c1637e41 | 566 | // |
d56d7df1 | 567 | cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cd3v->AddNode(cd4v,1); //sandwich |
568 | // first segment | |
569 | cflv->AddNode(cd1v,1); cflv->AddNode(tvep4,1); | |
570 | // second segment | |
571 | segrot = new TGeoRotation(); | |
572 | segrot->RotateZ(120.); | |
573 | cflv->AddNode(cd1v,2,segrot); cflv->AddNode(tvep4,2,segrot); | |
574 | // third segment | |
575 | segrot = new TGeoRotation(); | |
576 | segrot->RotateZ(240.); | |
577 | cflv->AddNode(cd1v,3,segrot); cflv->AddNode(tvep4,3,segrot); | |
c1637e41 | 578 | // |
a1ec4d07 | 579 | v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9)); |
580 | v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9)); | |
c1637e41 | 581 | v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1); |
582 | // | |
583 | // central membrane - 2 rings and a mylar membrane - assembly | |
584 | // | |
cf84f9b1 | 585 | TGeoTube *ih = new TGeoTube(81.05,84.05,0.3); |
586 | TGeoTube *oh = new TGeoTube(250.,256.,0.5); | |
4236db1b | 587 | TGeoTube *mem = new TGeoTube(84.05,250.,0.00115); |
c449e944 | 588 | |
589 | // | |
590 | TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10"); | |
591 | // | |
c1637e41 | 592 | TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3); |
593 | TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3); | |
c449e944 | 594 | |
c1637e41 | 595 | TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7); |
596 | // | |
597 | TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM"); | |
598 | cm->AddNode(ihv,1); | |
599 | cm->AddNode(ohv,1); | |
600 | cm->AddNode(memv,1); | |
c449e944 | 601 | |
c1637e41 | 602 | v9->AddNode(cm,1); |
603 | // | |
604 | // end caps - they are make as an assembly of single segments | |
605 | // containing both readout chambers | |
606 | // | |
d899e254 | 607 | Double_t openingAngle = 10.*TMath::DegToRad(); |
c1637e41 | 608 | Double_t thick=1.5; // rib |
d899e254 | 609 | Double_t shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 610 | // |
d899e254 | 611 | Double_t lowEdge = 86.3; // hole in the wheel |
612 | Double_t upEdge = 240.4; // hole in the wheel | |
c1637e41 | 613 | // |
614 | new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.); | |
615 | // | |
616 | TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4); | |
617 | // | |
d899e254 | 618 | hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift); |
619 | hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift); | |
c1637e41 | 620 | // |
d899e254 | 621 | hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift); |
622 | hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift); | |
c1637e41 | 623 | // |
d899e254 | 624 | Double_t ys = shift*TMath::Sin(openingAngle); |
625 | Double_t xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 626 | TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.); |
627 | tr->RegisterYourself(); | |
628 | TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr"); | |
629 | TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3); | |
630 | TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2); | |
631 | bar->DefineSection(0,-3.,131.5-shift,136.5-shift); | |
632 | bar->DefineSection(1,1.5,131.5-shift,136.5-shift); | |
633 | TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3); | |
634 | TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment | |
635 | // | |
636 | ch->AddNode(sv,1); ch->AddNode(barv,1,tr); | |
637 | // | |
638 | // readout chambers | |
639 | // | |
640 | // IROC first | |
641 | // | |
642 | TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15); | |
643 | TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3); | |
644 | // empty space | |
645 | TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65); | |
646 | TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1); | |
647 | ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.)); | |
648 | //bars | |
649 | Double_t tga = (19.8328-12.3742)/39.3; | |
650 | Double_t xmin,xmax; | |
651 | xmin = 9.55*tga+12.3742; | |
652 | xmax = 9.95*tga+12.3742; | |
653 | TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
654 | TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3); | |
655 | empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9)); | |
656 | xmin=19.4*tga+12.3742; | |
657 | xmax=19.9*tga+12.3742; | |
658 | TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25); | |
659 | TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3); | |
660 | empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.)); | |
661 | xmin=29.35*tga+12.3742; | |
662 | xmax=29.75*tga+12.3742; | |
663 | TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
664 | TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3); | |
665 | empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9)); | |
666 | // | |
667 | // holes for connectors | |
668 | // | |
669 | TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc | |
670 | TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1); | |
d9e80aca | 671 | TString fileName(gSystem->Getenv("ALICE_ROOT")); |
672 | fileName += "/TPC/conn_iroc.dat"; | |
c1637e41 | 673 | ifstream in; |
d9e80aca | 674 | in.open(fileName.Data(), ios_base::in); // asci file |
2d1d58a6 | 675 | TGeoRotation *rrr[86]; |
c1637e41 | 676 | for(Int_t i =0;i<86;i++){ |
456cb019 | 677 | Double_t y = 3.99; |
c1637e41 | 678 | Double_t x,z,ang; |
679 | in>>x>>z>>ang; | |
456cb019 | 680 | z-=26.5; |
2d1d58a6 | 681 | rrr[i]= new TGeoRotation(); |
682 | rrr[i]->RotateY(ang); | |
683 | ibdv->AddNode(connv,i+1,new TGeoCombiTrans(x,y,z,rrr[i])); | |
c1637e41 | 684 | } |
685 | in.close(); | |
686 | // "cap" | |
687 | new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825); | |
688 | // "hole" | |
689 | new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15); | |
690 | TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725); | |
691 | tr1->RegisterYourself(); | |
692 | TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1"); | |
693 | TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3); | |
694 | // | |
695 | // pad plane and wire fixations | |
696 | // | |
697 | TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso | |
c1637e41 | 698 | TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4); |
699 | TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.); | |
700 | TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4); | |
701 | TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.); | |
702 | TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4); | |
703 | // | |
704 | TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC"); | |
705 | // | |
706 | iroc->AddNode(ibdv,1); | |
707 | iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725)); | |
708 | iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725)); | |
709 | tga =(23.3521-14.5974)/49.65; | |
710 | Double_t xx = 24.825*tga+14.5974-0.6; | |
711 | iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725)); | |
712 | iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725)); | |
713 | // | |
714 | // OROC | |
715 | // | |
716 | TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65); | |
717 | TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3); | |
718 | TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65); | |
719 | TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1); | |
720 | obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.)); | |
721 | //horizontal bars | |
722 | tga=(38.5084-20.2938)/99.3; | |
723 | xmin=tga*10.2+20.2938; | |
724 | xmax=tga*10.6+20.2938; | |
725 | TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
726 | TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3); | |
727 | // | |
728 | xmin=22.55*tga+20.2938; | |
729 | xmax=24.15*tga+20.2938; | |
730 | TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
731 | TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3); | |
732 | // | |
733 | xmin=36.1*tga+20.2938; | |
734 | xmax=36.5*tga+20.2938; | |
735 | TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
736 | TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3); | |
737 | // | |
738 | xmin=49.0*tga+20.2938; | |
739 | xmax=50.6*tga+20.2938; | |
740 | TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
741 | TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3); | |
742 | // | |
743 | xmin=63.6*tga+20.2938; | |
744 | xmax=64.0*tga+20.2938; | |
745 | TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
746 | TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3); | |
747 | // | |
748 | xmin=75.5*tga+20.2938; | |
749 | xmax=77.15*tga+20.2938; | |
750 | TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
751 | TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3); | |
752 | // | |
753 | xmin=88.7*tga+20.2938; | |
754 | xmax=89.1*tga+20.2938; | |
755 | TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
756 | TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3); | |
757 | // | |
758 | oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25)); | |
759 | oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3)); | |
760 | oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35)); | |
761 | oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15)); | |
762 | oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15)); | |
763 | oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7)); | |
764 | oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25)); | |
765 | // vertical bars | |
766 | TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1); | |
767 | TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975); | |
768 | TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775); | |
769 | TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25); | |
770 | TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5); | |
771 | // | |
772 | TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3); | |
773 | TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3); | |
774 | TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3); | |
775 | TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3); | |
776 | TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3); | |
777 | // | |
778 | oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55)); | |
779 | oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55)); | |
780 | oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075)); | |
781 | oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525)); | |
782 | oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125)); | |
783 | oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275)); | |
784 | oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9)); | |
785 | oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45)); | |
786 | // | |
787 | // holes for connectors | |
788 | // | |
d9e80aca | 789 | fileName = gSystem->Getenv("ALICE_ROOT"); |
790 | fileName += "/TPC/conn_oroc.dat"; | |
791 | in.open(fileName.Data(), ios_base::in); // asci file | |
2d1d58a6 | 792 | TGeoRotation *rr[78]; |
c1637e41 | 793 | for(Int_t i =0;i<78;i++){ |
794 | Double_t y =3.89; | |
795 | Double_t x,z,ang; | |
796 | Double_t x1,z1,x2,z2; | |
797 | in>>x>>z>>ang; | |
798 | Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad()); | |
799 | Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad()); | |
800 | // | |
801 | x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z; | |
802 | // | |
2d1d58a6 | 803 | rr[i]= new TGeoRotation(); |
804 | rr[i]->RotateY(ang); | |
c1637e41 | 805 | z1-=54.95; |
806 | z2-=54.95; | |
5f174279 | 807 | // |
2d1d58a6 | 808 | obdv->AddNode(connv,i+1,new TGeoCombiTrans(x1,y,z1,rr[i])); |
809 | obdv->AddNode(connv,i+79,new TGeoCombiTrans(x2,y,z2,rr[i])); | |
c1637e41 | 810 | } |
811 | in.close(); | |
812 | // cap | |
813 | new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1); | |
814 | new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65); | |
815 | TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15); | |
816 | tr5->RegisterYourself(); | |
817 | TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5"); | |
818 | TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3); | |
819 | // | |
820 | // pad plane and wire fixations | |
821 | // | |
822 | TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1); | |
823 | TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4); | |
824 | // | |
825 | tga=(43.5239-23.3874)/114.2; | |
826 | TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.); | |
827 | TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.); | |
828 | xx = 57.1*tga+23.3874-0.7; | |
829 | TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4); | |
830 | TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4); | |
831 | // | |
832 | TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC"); | |
833 | // | |
834 | oroc->AddNode(obdv,1); | |
835 | oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15)); | |
836 | oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15)); | |
837 | oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15)); | |
838 | oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15)); | |
839 | // | |
840 | // now iroc and oroc are placed into a sector... | |
841 | // | |
a1ec4d07 | 842 | TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side |
843 | TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side | |
c1637e41 | 844 | TGeoRotation rot1("rot1",90.,90.,0.); |
845 | TGeoRotation rot2("rot2"); | |
846 | rot2.RotateY(10.); | |
847 | TGeoRotation *rot = new TGeoRotation("rot"); | |
848 | *rot=rot1*rot2; | |
849 | // | |
850 | Double_t x0,y0; | |
d899e254 | 851 | x0=110.2*TMath::Cos(openingAngle); |
852 | y0=110.2*TMath::Sin(openingAngle); | |
1bae4c82 | 853 | TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side |
854 | TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side | |
d899e254 | 855 | x0=188.45*TMath::Cos(openingAngle); |
856 | y0=188.45*TMath::Sin(openingAngle); | |
1bae4c82 | 857 | TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side |
858 | TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side | |
c1637e41 | 859 | // |
c1637e41 | 860 | // |
a1ec4d07 | 861 | // A-side |
c1637e41 | 862 | // |
a1ec4d07 | 863 | secta->AddNode(ch,1); |
864 | secta->AddNode(iroc,1,combi1a); | |
865 | secta->AddNode(oroc,1,combi2a); | |
866 | // | |
867 | // C-side | |
868 | // | |
869 | sectc->AddNode(ch,1); | |
870 | sectc->AddNode(iroc,1,combi1c); | |
871 | sectc->AddNode(oroc,1,combi2c); | |
872 | // | |
873 | // now I try to make wheels... | |
874 | // | |
875 | TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
876 | TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
c1637e41 | 877 | // |
5f174279 | 878 | TGeoRotation *rwh[18]; |
c1637e41 | 879 | for(Int_t i =0;i<18;i++){ |
880 | Double_t phi = (20.*i); | |
5f174279 | 881 | rwh[i]=new TGeoRotation(); |
882 | rwh[i]->RotateZ(phi); | |
883 | wheela->AddNode(secta,i+1,rwh[i]); | |
884 | wheelc->AddNode(sectc,i+1,rwh[i]); | |
79575d04 | 885 | |
c1637e41 | 886 | } |
4fa47888 | 887 | // wheels in the drift volume! |
a1ec4d07 | 888 | |
c1637e41 | 889 | TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref); |
a1ec4d07 | 890 | v9->AddNode(wheela,1,combi3); |
891 | v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6)); | |
c1637e41 | 892 | //_____________________________________________________________ |
893 | // service support wheel | |
894 | //_____________________________________________________________ | |
895 | TGeoPgon *sw = new TGeoPgon(0.,20.,1,2); | |
896 | sw->DefineSection(0,-4.,80.5,251.75); | |
897 | sw->DefineSection(1,4.,80.5,251.75); | |
898 | TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al | |
899 | // | |
900 | thick=1.; | |
d899e254 | 901 | shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 902 | TGeoPgon *sh = new TGeoPgon(0.,20.,1,2); |
903 | sh->DefineSection(0,-4.,81.5-shift,250.75-shift); | |
904 | sh->DefineSection(1,4.,81.5-shift,250.75-shift); | |
905 | TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air | |
906 | // | |
74518339 | 907 | TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si"); |
908 | TGeoPgon *el = new TGeoPgon(0.,20.,1,2); | |
909 | el->DefineSection(0,-1.872,81.5-shift,250.75-shift); | |
910 | el->DefineSection(1,1.872,81.5-shift,250.75-shift); | |
911 | TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si | |
912 | // | |
913 | shv->AddNode(elv,1); | |
914 | // | |
915 | // | |
d899e254 | 916 | ys = shift*TMath::Sin(openingAngle); |
917 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 918 | swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.)); |
919 | // cover | |
920 | TGeoPgon *co = new TGeoPgon(0.,20.,1,2); | |
921 | co->DefineSection(0,-0.5,77.,255.25); | |
922 | co->DefineSection(1,0.5,77.,255.25); | |
923 | TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al | |
924 | // hole in a cover | |
925 | TGeoPgon *coh = new TGeoPgon(0.,20.,1,2); | |
d899e254 | 926 | shift=4./TMath::Sin(openingAngle); |
c1637e41 | 927 | coh->DefineSection(0,-0.5,85.-shift,247.25-shift); |
928 | coh->DefineSection(1,0.5,85.-shift,247.25-shift); | |
929 | // | |
930 | TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1); | |
931 | // | |
d899e254 | 932 | ys = shift*TMath::Sin(openingAngle); |
933 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 934 | cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.)); |
935 | // | |
936 | // Sector as an Assembly | |
937 | // | |
938 | TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC"); | |
939 | swhs->AddNode(swv,1); | |
940 | swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5)); | |
941 | swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5)); | |
942 | // | |
943 | // SSW as an Assembly of sectors | |
944 | // | |
5f174279 | 945 | TGeoRotation *rsw[18]; |
946 | TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL"); | |
c1637e41 | 947 | for(Int_t i =0;i<18;i++){ |
948 | Double_t phi = (20.*i); | |
5f174279 | 949 | rsw[i] = new TGeoRotation(); |
950 | rsw[i]->RotateZ(phi); | |
951 | swheel->AddNode(swhs,i+1,rsw[i]); | |
c1637e41 | 952 | } |
953 | v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6)); | |
954 | v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6)); | |
955 | ||
956 | // sensitive strips - strip "0" is always set | |
957 | // conditional | |
958 | Int_t totrows; | |
959 | totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp(); | |
960 | Double_t *upar; | |
961 | upar=NULL; | |
962 | gGeoManager->Volume("TPC_Strip","PGON",m5->GetId(),upar); | |
963 | upar=new Double_t [10]; | |
964 | upar[0]=0.; | |
965 | upar[1]=360.; | |
966 | upar[2]=18.; | |
967 | upar[3]=2.; | |
968 | // | |
969 | upar[4]=-124.8; | |
970 | upar[7]=124.8; | |
971 | ||
972 | Double_t rlow=fTPCParam->GetPadRowRadiiLow(0); | |
973 | ||
974 | upar[5]=rlow; | |
975 | upar[6]=rlow+.01; | |
976 | upar[8]=upar[5]; | |
977 | upar[9]=upar[6]; | |
978 | // | |
979 | gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
980 | gGeoManager->Node("TPC_Strip",totrows+1, | |
981 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
982 | // | |
983 | // now, strips optionally | |
984 | // | |
985 | if(fSens){ | |
986 | //lower sectors | |
987 | for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){ | |
988 | rlow=fTPCParam->GetPadRowRadiiLow(i-1); | |
989 | upar[5]=rlow; | |
990 | upar[6]=rlow+.01; | |
991 | upar[8]=upar[5]; | |
992 | upar[9]=upar[6]; | |
993 | gGeoManager->Node("TPC_Strip",i, | |
994 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
995 | gGeoManager->Node("TPC_Strip",totrows+i, | |
996 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
997 | } | |
998 | //upper sectors | |
999 | for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){ | |
1000 | rlow=fTPCParam->GetPadRowRadiiUp(i-1); | |
1001 | upar[5]=rlow; | |
1002 | upar[6]=rlow+.01; | |
1003 | upar[8]=upar[5]; | |
1004 | upar[9]=upar[6]; | |
1005 | gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(), | |
1006 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
1007 | gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(), | |
1008 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
1009 | } | |
1010 | }//strips | |
37831078 | 1011 | //---------------------------------------------------------- |
0f788f87 | 1012 | // TPC Support Rods - MAKROLON |
37831078 | 1013 | //---------------------------------------------------------- |
c1637e41 | 1014 | TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon"); |
1015 | TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu"); | |
78134e48 | 1016 | TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina"); |
1017 | TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek"); | |
1018 | TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water"); | |
0f788f87 | 1019 | TGeoMedium *m13 = gGeoManager->GetMedium("TPC_Brass"); |
1020 | // | |
1021 | // tpc rod is an assembly of 10 long parts and 2 short parts | |
1022 | // connected with alu rings and plagged on both sides. | |
79575d04 | 1023 | // |
c1637e41 | 1024 | // |
0f788f87 | 1025 | // tpc rod long |
1026 | // | |
1027 | TGeoPcon *rod = new TGeoPcon("rod",0.,360.,6); | |
1028 | rod->DefineSection(0,-10.43,1.92,2.08); | |
1029 | rod->DefineSection(1,-9.75,1.92,2.08); | |
1030 | ||
1031 | rod->DefineSection(2,-9.75,1.8,2.2); | |
1032 | rod->DefineSection(3,9.75,1.8,2.2); | |
1033 | ||
1034 | rod->DefineSection(4,9.75,1.92,2.08); | |
1035 | rod->DefineSection(5,10.43,1.92,2.08); | |
1036 | // | |
1037 | TGeoVolume *mrodl = new TGeoVolume("TPC_mrodl",rod,m6); | |
1038 | // | |
1039 | // tpc rod short | |
1040 | // | |
1041 | TGeoPcon *rod1 = new TGeoPcon("rod1",0.,360.,6); | |
1042 | rod1->DefineSection(0,-8.93,1.92,2.08); | |
1043 | rod1->DefineSection(1,-8.25,1.92,2.08); | |
1044 | ||
1045 | rod1->DefineSection(2,-8.25,1.8,2.2); | |
1046 | rod1->DefineSection(3,8.25,1.8,2.2); | |
1047 | ||
1048 | rod1->DefineSection(4,8.25,1.92,2.08); | |
1049 | rod1->DefineSection(5,8.93,1.92,2.08); | |
1050 | // | |
1051 | TGeoVolume *mrods = new TGeoVolume("TPC_mrods",rod1,m6); | |
1052 | // | |
1053 | // below is for the resistor rod | |
1054 | // | |
1055 | // hole for the brass connectors | |
1056 | // | |
1057 | ||
1058 | new TGeoTube("hhole",0.,0.3,0.3); | |
1059 | // | |
1060 | //transformations for holes - initialy they | |
1061 | // are placed at x=0 and negative y | |
1062 | // | |
1063 | TGeoRotation *rhole = new TGeoRotation(); | |
1064 | rhole->RotateX(90.); | |
1065 | TGeoCombiTrans *transf[13]; | |
1066 | Char_t name[30]; | |
1067 | for(Int_t i=0;i<13;i++){ | |
94e6c6f4 | 1068 | //sprintf(name,"transf%d",i); |
1069 | snprintf(name,30,"transf%d",i); | |
0f788f87 | 1070 | transf[i]= new TGeoCombiTrans(name,0.,-2.,-9.+i*1.5,rhole); |
1071 | transf[i]->RegisterYourself(); | |
1072 | } | |
1073 | // union expression for holes | |
1074 | TString operl("hhole:transf0"); | |
1075 | for (Int_t i=1;i<13;i++){ | |
94e6c6f4 | 1076 | //sprintf(name,"+hhole:transf%d",i); |
1077 | snprintf(name,30,"+hhole:transf%d",i); | |
0f788f87 | 1078 | operl.Append(name); |
1079 | } | |
78134e48 | 1080 | // |
0f788f87 | 1081 | TString opers("hhole:transf1"); |
1082 | for (Int_t i=2;i<12;i++){ | |
94e6c6f4 | 1083 | //sprintf(name,"+hhole:transf%d",i); |
1084 | snprintf(name,30,"+hhole:transf%d",i); | |
0f788f87 | 1085 | opers.Append(name); |
1086 | } | |
1087 | //union of holes | |
1088 | new TGeoCompositeShape("hlv",operl.Data()); | |
1089 | new TGeoCompositeShape("hsv",opers.Data()); | |
1090 | // | |
1091 | TGeoCompositeShape *rodl = new TGeoCompositeShape("rodl","rod-hlv"); | |
1092 | TGeoCompositeShape *rods = new TGeoCompositeShape("rods","rod1-hsv"); | |
1093 | //rods - volumes - makrolon rods with holes | |
1094 | TGeoVolume *rodlv = new TGeoVolume("TPC_rodl",rodl,m6); | |
1095 | TGeoVolume *rodsv = new TGeoVolume("TPC_rods",rods,m6); | |
1096 | //brass connectors | |
1097 | //connectors | |
1098 | TGeoTube *bcon = new TGeoTube(0.,0.3,0.3);//connectors | |
1099 | TGeoVolume *bconv = new TGeoVolume("TPC_bcon",bcon,m13); | |
1100 | // | |
1101 | // hooks holding strips | |
1102 | // | |
1103 | new TGeoBBox("hk1",0.625,0.015,0.75); | |
1104 | new TGeoBBox("hk2",0.625,0.015,0.15); | |
1105 | TGeoTranslation *tr21 = new TGeoTranslation("tr21",0.,-0.03,-0.6); | |
1106 | TGeoTranslation *tr12 = new TGeoTranslation("tr12",0.,-0.03,0.6); | |
1107 | tr21->RegisterYourself(); | |
1108 | tr12->RegisterYourself(); | |
1109 | ||
1110 | TGeoCompositeShape *hook = new TGeoCompositeShape("hook","hk1+hk2:tr21+hk2:tr12"); | |
1111 | TGeoVolume *hookv = new TGeoVolume("TPC_hook",hook,m13); | |
1112 | // | |
1113 | // assembly of the short rod with connectors and hooks | |
1114 | // | |
1115 | // | |
1116 | // short rod | |
1117 | // | |
1118 | TGeoVolumeAssembly *spart = new TGeoVolumeAssembly("TPC_spart"); | |
1119 | // | |
1120 | spart->AddNode( rodsv,1); | |
1121 | for(Int_t i=1;i<12;i++){ | |
1122 | spart->AddNode(bconv,i,transf[i]); | |
1123 | } | |
1124 | for(Int_t i =0;i<11;i++){ | |
ceb660a9 | 1125 | spart->AddNode(hookv,i+1,new TGeoTranslation(0.,-2.315,-7.5+i*1.5)); |
0f788f87 | 1126 | } |
1127 | // | |
1128 | // long rod | |
1129 | // | |
1130 | TGeoVolumeAssembly *lpart = new TGeoVolumeAssembly("TPC_lpart"); | |
1131 | // | |
1132 | lpart->AddNode( rodlv,1); | |
1133 | for(Int_t i=0;i<13;i++){ | |
ceb660a9 | 1134 | lpart->AddNode(bconv,i+12,transf[i]); |
0f788f87 | 1135 | } |
1136 | for(Int_t i =0;i<13;i++){ | |
ceb660a9 | 1137 | lpart->AddNode(hookv,i+12,new TGeoTranslation(0.,-2.315,-9.+i*1.5)); |
0f788f87 | 1138 | } |
1139 | // | |
1140 | // alu ring | |
1141 | // | |
1142 | new TGeoTube("ring1",2.1075,2.235,0.53); | |
1143 | new TGeoTube("ring2",1.7925,1.89,0.43); | |
1144 | new TGeoTube("ring3",1.89,2.1075,0.05); | |
1145 | TGeoCompositeShape *ring = new TGeoCompositeShape("ring","ring1+ring2+ring3"); | |
1146 | TGeoVolume *ringv = new TGeoVolume("TPC_ring",ring,m3); | |
1147 | // | |
1148 | // rod assembly | |
1149 | // | |
ceb660a9 | 1150 | TGeoVolumeAssembly *tpcrrod = new TGeoVolumeAssembly("TPC_rrod");//rrod |
0f788f87 | 1151 | TGeoVolumeAssembly *tpcmrod = new TGeoVolumeAssembly("TPC_mrod");//makrolon rod |
1152 | //long pieces | |
1153 | for(Int_t i=0;i<11;i++){ | |
ceb660a9 | 1154 | tpcrrod->AddNode(ringv,i+1,new TGeoTranslation(0.,0.,-105.+i*21)); |
0f788f87 | 1155 | tpcmrod->AddNode(ringv,i+12,new TGeoTranslation(0.,0.,-105.+i*21)); |
1156 | } | |
1157 | for(Int_t i=0;i<10;i++){ | |
ceb660a9 | 1158 | tpcrrod->AddNode(lpart,i+1,new TGeoTranslation(0.,0.,-94.5+i*21)); |
0f788f87 | 1159 | tpcmrod->AddNode(mrodl,i+1,new TGeoTranslation(0.,0.,-94.5+i*21)); |
1160 | } | |
78134e48 | 1161 | // |
0f788f87 | 1162 | // short pieces |
78134e48 | 1163 | // |
ceb660a9 | 1164 | tpcrrod->AddNode(spart,1,new TGeoTranslation(0.,0.,-114.)); |
1165 | tpcrrod->AddNode(spart,2,new TGeoTranslation(0.,0.,114.)); | |
1166 | tpcrrod->AddNode(ringv,23,new TGeoTranslation(0.,0.,-123.)); | |
1167 | tpcrrod->AddNode(ringv,24,new TGeoTranslation(0.,0.,123.)); | |
78134e48 | 1168 | // |
0f788f87 | 1169 | tpcmrod->AddNode(mrods,1,new TGeoTranslation(0.,0.,-114.)); |
1170 | tpcmrod->AddNode(mrods,2,new TGeoTranslation(0.,0.,114.)); | |
1171 | tpcmrod->AddNode(ringv,25,new TGeoTranslation(0.,0.,-123.)); | |
1172 | tpcmrod->AddNode(ringv,26,new TGeoTranslation(0.,0.,123.)); | |
1173 | // | |
1174 | // left plaque | |
78134e48 | 1175 | // |
0f788f87 | 1176 | TGeoPcon *lp = new TGeoPcon(0.,360.,4); |
78134e48 | 1177 | // |
0f788f87 | 1178 | lp->DefineSection(0,-125.8,1.92,2.235); |
1179 | lp->DefineSection(1,-124.8,1.92,2.235); | |
78134e48 | 1180 | // |
0f788f87 | 1181 | lp->DefineSection(2,-124.8,1.92,2.08); |
1182 | lp->DefineSection(3,-123.1,1.92,2.08); | |
78134e48 | 1183 | // |
0f788f87 | 1184 | TGeoVolume *lpv1 = new TGeoVolume("TPC_lpv1",lp,m6); |
1185 | TGeoVolume *lpv2 = new TGeoVolume("TPC_lpv2",lp,m6); | |
1186 | // left ring | |
1187 | TGeoTube *lr = new TGeoTube(2.1075,2.235,0.5); | |
1188 | TGeoVolume *lrv = new TGeoVolume("TPC_lrv",lr,m3); | |
78134e48 | 1189 | // |
0f788f87 | 1190 | lpv2->AddNode(lrv,1,new TGeoTranslation(0.,0.,-125.3)); |
78134e48 | 1191 | // |
ceb660a9 | 1192 | tpcrrod->AddNode(lpv2,1); |
0f788f87 | 1193 | tpcmrod->AddNode(lpv1,1); |
78134e48 | 1194 | // |
0f788f87 | 1195 | // right plaque |
78134e48 | 1196 | // |
f1447ab6 | 1197 | TGeoTube *rp = new TGeoTube(1.92,2.08,2.025); |
0f788f87 | 1198 | TGeoVolume *rpv = new TGeoVolume("TPC_rpv",rp,m6); |
f1447ab6 | 1199 | tpcrrod->AddNode(rpv,1, new TGeoTranslation(0.,0.,125.125)); |
1200 | tpcmrod->AddNode(rpv,2,new TGeoTranslation(0.,0.,125.125)); | |
78134e48 | 1201 | // |
a3d2be59 | 1202 | // |
0f788f87 | 1203 | //HV rods - makrolon + 0.58cm (diameter) Cu |
cf84f9b1 | 1204 | TGeoTube *hvr = new TGeoTube(0.,1.465,126.5); |
1205 | TGeoTube *hvc = new TGeoTube(0.,0.29,126.5); | |
0f788f87 | 1206 | // |
1207 | TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6); | |
1208 | TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7); | |
1209 | hvrv->AddNode(hvcv,1); | |
78134e48 | 1210 | // |
0f788f87 | 1211 | //resistor rod |
1212 | // | |
ceb660a9 | 1213 | TGeoTube *cr = new TGeoTube(0.,0.45,126.2); |
1214 | TGeoTube *cw = new TGeoTube(0.,0.15,126.2); | |
0f788f87 | 1215 | TGeoVolume *crv = new TGeoVolume("TPC_CR",cr,m10); |
ceb660a9 | 1216 | TGeoVolume *cwv = new TGeoVolume("TPC_W",cw,m12); |
0f788f87 | 1217 | // |
1218 | // ceramic rod with water | |
1219 | // | |
1220 | crv->AddNode(cwv,1); | |
1221 | // | |
1222 | //peek rod | |
1223 | // | |
ceb660a9 | 1224 | TGeoTube *pr =new TGeoTube(0.2,0.35,126.2); |
1225 | TGeoVolume *prv = new TGeoVolume("TPC_PR",pr,m11); | |
0f788f87 | 1226 | // |
1227 | // copper plates with connectors | |
1228 | // | |
1229 | new TGeoTube("tub",0.,1.7,0.025); | |
1230 | // | |
1231 | // half space - points on the plane and a normal vector | |
1232 | // | |
1233 | Double_t n[3],p[3]; | |
1234 | Double_t slope = TMath::Tan(22.*TMath::DegToRad()); | |
1235 | Double_t intp = 1.245; | |
1236 | // | |
1237 | Double_t b = slope*slope+1.; | |
1238 | p[0]=intp*slope/b; | |
1239 | p[1]=-intp/b; | |
1240 | p[2]=0.; | |
1241 | // | |
1242 | n[0]=-p[0]; | |
1243 | n[1]=-p[1]; | |
1244 | n[2]=0.; | |
1245 | Double_t norm; | |
1246 | norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]); | |
1247 | n[0] /= norm; | |
1248 | n[1] /=norm; | |
1249 | // | |
1250 | new TGeoHalfSpace("sp1",p,n); | |
1251 | // | |
1252 | slope = -slope; | |
1253 | // | |
1254 | p[0]=intp*slope/b; | |
1255 | p[1]=-intp/b; | |
1256 | // | |
1257 | n[0]=-p[0]; | |
1258 | n[1]=-p[1]; | |
1259 | norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]); | |
1260 | n[0] /= norm; | |
1261 | n[1] /=norm; | |
1262 | // | |
1263 | new TGeoHalfSpace("sp2",p,n); | |
1264 | // holes for rods | |
1265 | //holes | |
1266 | new TGeoTube("h1",0.,0.5,0.025); | |
1267 | new TGeoTube("h2",0.,0.35,0.025); | |
1268 | //translations: | |
1269 | TGeoTranslation *ttr11 = new TGeoTranslation("ttr11",-0.866,0.5,0.); | |
1270 | TGeoTranslation *ttr22 = new TGeoTranslation("ttr22",0.866,0.5,0.); | |
1271 | ttr11->RegisterYourself(); | |
1272 | ttr22->RegisterYourself(); | |
1273 | // elastic connector | |
1274 | new TGeoBBox("elcon",0.72,0.005,0.3); | |
1275 | TGeoRotation *crr1 = new TGeoRotation(); | |
1276 | crr1->RotateZ(-22.); | |
1277 | TGeoCombiTrans *ctr1 = new TGeoCombiTrans("ctr1",-0.36011, -1.09951,-0.325,crr1); | |
1278 | ctr1->RegisterYourself(); | |
1279 | TGeoCompositeShape *cs1 = new TGeoCompositeShape("cs1", | |
1280 | "(((((tub-h1:ttr11)-h1:ttr22)-sp1)-sp2)-h2)+elcon:ctr1"); | |
1281 | // | |
1282 | TGeoVolume *csvv = new TGeoVolume("TPC_RR_CU",cs1,m7); | |
1283 | // | |
1284 | // resistor rod assembly 2 ceramic rods, peak rod, Cu plates | |
1285 | // and resistors | |
1286 | // | |
ceb660a9 | 1287 | TGeoVolumeAssembly *rrod = new TGeoVolumeAssembly("TPC_RRIN"); |
0f788f87 | 1288 | // rods |
1289 | rrod->AddNode(crv,1,ttr11); | |
1290 | rrod->AddNode(crv,2,ttr22); | |
1291 | rrod->AddNode(prv,1); | |
1292 | //Cu plates | |
1293 | for(Int_t i=0;i<165;i++){ | |
1294 | rrod->AddNode(csvv,i+1,new TGeoTranslation(0.,0.,-122.675+i*1.5)); | |
1295 | } | |
1296 | //resistors | |
1297 | TGeoTube *res = new TGeoTube(0.,0.15,0.5); | |
1298 | TGeoVolume *resv = new TGeoVolume("TPC_RES",res,m10); | |
1299 | TGeoVolumeAssembly *ress = new TGeoVolumeAssembly("TPC_RES_CH"); | |
1300 | ress->AddNode(resv,1,new TGeoTranslation(0.2,0.,0.)); | |
1301 | ress->AddNode(resv,2,new TGeoTranslation(-0.2,0.,0.)); | |
1302 | // | |
1303 | TGeoRotation *crr2 = new TGeoRotation(); | |
1304 | crr2->RotateY(30.); | |
1305 | TGeoRotation *crr3 = new TGeoRotation(); | |
1306 | crr3->RotateY(-30.); | |
1307 | // | |
1308 | for(Int_t i=0;i<164;i+=2){ | |
1309 | rrod->AddNode(ress,i+1, new TGeoCombiTrans(0.,1.2,-121.925+i*1.5,crr2)); | |
1310 | rrod->AddNode(ress,i+2, new TGeoCombiTrans(0.,1.2,-121.925+(i+1)*1.5,crr3)); | |
1311 | } | |
ceb660a9 | 1312 | |
d00b3fc6 | 1313 | tpcrrod->AddNode(rrod,1,new TGeoCombiTrans(0.,0.,0.5,crr1)); |
7f96259a | 1314 | // |
1315 | // guard ring resistor chain | |
1316 | // | |
232c5b28 | 1317 | |
1318 | TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc | |
7f96259a | 1319 | // |
1320 | TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m10); | |
232c5b28 | 1321 | |
7f96259a | 1322 | // |
1323 | Double_t xrc,yrc; | |
1324 | // | |
7f96259a | 1325 | xrc=79.3*TMath::Cos(350.*TMath::DegToRad()); |
1326 | yrc=79.3*TMath::Sin(350.*TMath::DegToRad()); | |
1327 | // | |
232c5b28 | 1328 | v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9)); |
1329 | v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9)); | |
1330 | // | |
e079adac | 1331 | xrc=79.3*TMath::Cos(190.*TMath::DegToRad()); |
1332 | yrc=79.3*TMath::Sin(190.*TMath::DegToRad()); | |
232c5b28 | 1333 | // |
1334 | v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9)); | |
1335 | v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9)); | |
0f788f87 | 1336 | //------------------------------------------------------------------ |
1337 | TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.); | |
1338 | TGeoRotation rotrod("rotrod"); | |
0f788f87 | 1339 | // |
2d1d58a6 | 1340 | TGeoRotation *rotpos[2]; |
1341 | // | |
1342 | TGeoRotation *rotrod1[2]; | |
c449e944 | 1343 | TGeoTubeSeg *irh = new TGeoTubeSeg(78.825,79.25,1.5,358.5,1.5); |
1344 | TGeoTubeSeg *orh = new TGeoTubeSeg(256.5,257.95,1.5,359.5,0.5); | |
1345 | TGeoTubeSeg *ohh = new TGeoTubeSeg(256.5,257.95,1.5,9.5,10.5); | |
1346 | TGeoVolume *irhv = new TGeoVolume("TPC_IRHH",irh,m4); | |
1347 | TGeoVolume *orhv = new TGeoVolume("TPC_ORHH",orh,m4); | |
1348 | TGeoVolume *ohhv = new TGeoVolume("TPC_OHVHH",ohh,m4); | |
0f788f87 | 1349 | |
1350 | //v9 - drift gas | |
1351 | ||
7281dc07 | 1352 | for(Int_t i=0;i<18;i++){ |
c1637e41 | 1353 | Double_t angle,x,y; |
1354 | Double_t z,r; | |
1355 | angle=TMath::DegToRad()*20.*(Double_t)i; | |
c449e944 | 1356 | TGeoRotation *roth = new TGeoRotation(); //rotation for rod holders |
1357 | roth->RotateZ(angle); | |
0f788f87 | 1358 | //inner rods |
c1637e41 | 1359 | r=81.5; |
1360 | x=r * TMath::Cos(angle); | |
1361 | y=r * TMath::Sin(angle); | |
cf84f9b1 | 1362 | z = 126.1; |
78134e48 | 1363 | // |
c449e944 | 1364 | v9->AddNode(irhv,i+1,roth); |
1365 | v9->AddNode(orhv,i+1,roth); | |
1366 | v9->AddNode(ohhv,i+1,roth); | |
1367 | // | |
0f788f87 | 1368 | if(i==11){//resistor rod inner |
1369 | rotrod.RotateZ(-90.+angle); | |
2d1d58a6 | 1370 | rotrod1[0]= new TGeoRotation(); |
1371 | rotpos[0]= new TGeoRotation(); | |
1372 | // | |
1373 | rotrod1[0]->RotateZ(-90.+angle); | |
1374 | *rotpos[0] = refl*rotrod; //rotation+reflection | |
ceb660a9 | 1375 | v9->AddNode(tpcrrod,1,new TGeoCombiTrans(x,y, z, rotrod1[0])); //A |
1376 | v9->AddNode(tpcrrod,2,new TGeoCombiTrans(x,y,-z, rotpos[0])); //C | |
78134e48 | 1377 | } |
1378 | else { | |
0f788f87 | 1379 | v9->AddNode(tpcmrod,i+1,new TGeoTranslation(x,y,z));//shaft |
1380 | v9->AddNode(tpcmrod,i+19,new TGeoCombiTrans(x,y,-z,ref));//muon | |
c1637e41 | 1381 | } |
0f788f87 | 1382 | // outer rods |
c1637e41 | 1383 | r=254.25; |
1384 | x=r * TMath::Cos(angle); | |
1385 | y=r * TMath::Sin(angle); | |
cf84f9b1 | 1386 | z=126.3; |
78134e48 | 1387 | // |
0f788f87 | 1388 | if(i==3){//resistor rod outer |
1389 | rotrod.RotateZ(90.+angle); | |
2d1d58a6 | 1390 | rotrod1[1]= new TGeoRotation(); |
1391 | rotpos[1]= new TGeoRotation(); | |
1392 | rotrod1[1]->RotateZ(90.+angle); | |
1393 | *rotpos[1] = refl*rotrod;//rotation+reflection | |
ceb660a9 | 1394 | v9->AddNode(tpcrrod,3,new TGeoCombiTrans(x,y, z, rotrod1[1])); //A |
1395 | v9->AddNode(tpcrrod,4,new TGeoCombiTrans(x,y, -z, rotpos[1])); //C | |
78134e48 | 1396 | } |
0f788f87 | 1397 | else { |
1398 | v9->AddNode(tpcmrod,i+37,new TGeoTranslation(x,y,z));//shaft | |
1399 | v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon | |
78134e48 | 1400 | } |
0f788f87 | 1401 | if(i==15){ |
cf84f9b1 | 1402 | v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z+0.7)); //hv->A-side only |
78134e48 | 1403 | } |
0f788f87 | 1404 | } //end of rods positioning |
69776907 | 1405 | |
bde68ab0 | 1406 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); |
1407 | alice->AddNode(v1,1); | |
c1637e41 | 1408 | |
37831078 | 1409 | } // end of function |
1410 | ||
ac81c411 | 1411 | //_____________________________________________________________________________ |
1412 | void AliTPCv2::AddAlignableVolumes() const | |
1413 | { | |
1414 | // | |
1415 | // Create entries for alignable volumes associating the symbolic volume | |
1416 | // name with the corresponding volume path. Needs to be syncronized with | |
1417 | // eventual changes in the geometry. | |
1418 | // | |
1419 | SetInnerChambersAlignable(); | |
1420 | SetOuterChambersAlignable(); | |
1421 | } | |
1422 | ||
1423 | //_____________________________________________________________________________ | |
1424 | void AliTPCv2::SetInnerChambersAlignable() const | |
1425 | { | |
1426 | // | |
cdf69b9a | 1427 | AliGeomManager::ELayerID idTPC1 = AliGeomManager::kTPC1; |
1428 | Int_t modUID, modnum = 0; | |
d899e254 | 1429 | TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_"; |
1430 | TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_"; | |
1431 | TString vpappend = "/TPC_IROC_1"; | |
1432 | TString snstr1="TPC/EndcapA/Sector"; | |
1433 | TString snstr2="TPC/EndcapC/Sector"; | |
1434 | TString snappend="/InnerChamber"; | |
ac81c411 | 1435 | TString volpath, symname; |
1436 | ||
1ac29fc4 | 1437 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 1438 | modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++); |
1ac29fc4 | 1439 | volpath = vpstr1; |
1440 | volpath += cnt; | |
1441 | volpath += vpappend; | |
1442 | symname = snstr1; | |
1443 | symname += cnt; | |
1444 | symname += snappend; | |
cdf69b9a | 1445 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1446 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1447 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1448 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1449 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1); |
1450 | alignableEntry->SetMatrix(matTtoL); | |
1ac29fc4 | 1451 | } |
65293f49 | 1452 | |
ac81c411 | 1453 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 1454 | modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++); |
d899e254 | 1455 | volpath = vpstr2; |
ac81c411 | 1456 | volpath += cnt; |
d899e254 | 1457 | volpath += vpappend; |
1458 | symname = snstr2; | |
ac81c411 | 1459 | symname += cnt; |
d899e254 | 1460 | symname += snappend; |
cdf69b9a | 1461 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1462 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1463 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1464 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1465 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1); |
1466 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 1467 | } |
1468 | } | |
1469 | ||
ac81c411 | 1470 | //_____________________________________________________________________________ |
1471 | void AliTPCv2::SetOuterChambersAlignable() const | |
1472 | { | |
1473 | // | |
cdf69b9a | 1474 | AliGeomManager::ELayerID idTPC2 = AliGeomManager::kTPC2; |
1475 | Int_t modUID, modnum = 0; | |
d899e254 | 1476 | TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_"; |
1477 | TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_"; | |
1478 | TString vpappend = "/TPC_OROC_1"; | |
1479 | TString snstr1="TPC/EndcapA/Sector"; | |
1480 | TString snstr2="TPC/EndcapC/Sector"; | |
1481 | TString snappend="/OuterChamber"; | |
ac81c411 | 1482 | TString volpath, symname; |
1483 | ||
1484 | for(Int_t cnt=1; cnt<=18; cnt++){ | |
cdf69b9a | 1485 | modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++); |
d899e254 | 1486 | volpath = vpstr1; |
ac81c411 | 1487 | volpath += cnt; |
d899e254 | 1488 | volpath += vpappend; |
1489 | symname = snstr1; | |
ac81c411 | 1490 | symname += cnt; |
d899e254 | 1491 | symname += snappend; |
cdf69b9a | 1492 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1493 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1494 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1495 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1496 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1); |
1497 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 1498 | } |
84cbbd90 | 1499 | |
ac81c411 | 1500 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 1501 | modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++); |
d899e254 | 1502 | volpath = vpstr2; |
ac81c411 | 1503 | volpath += cnt; |
d899e254 | 1504 | volpath += vpappend; |
1505 | symname = snstr2; | |
ac81c411 | 1506 | symname += cnt; |
d899e254 | 1507 | symname += snappend; |
cdf69b9a | 1508 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1509 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1510 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1511 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1512 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1); |
1513 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 1514 | } |
1515 | } | |
1516 | ||
37831078 | 1517 | |
1518 | //_____________________________________________________________________________ | |
1519 | void AliTPCv2::CreateMaterials() | |
1520 | { | |
1521 | // | |
1522 | // Define materials for version 2 of the Time Projection Chamber | |
1523 | // | |
1524 | ||
1525 | AliTPC::CreateMaterials(); | |
1526 | } | |
1527 | ||
1528 | //_____________________________________________________________________________ | |
1529 | void AliTPCv2::Init() | |
1530 | { | |
1531 | // | |
1532 | // Initialises version 2 of the TPC after that it has been built | |
1533 | // | |
1534 | ||
1535 | Int_t *idtmed = fIdtmed->GetArray(); | |
1536 | ||
1537 | AliTPC::Init(); | |
d4c354b9 | 1538 | |
c1637e41 | 1539 | |
1540 | fIdSens=gMC->VolId("TPC_Strip"); // one strip is always selected... | |
d4c354b9 | 1541 | |
c1637e41 | 1542 | fIDrift=gMC->VolId("TPC_Drift"); |
1543 | fSecOld=-100; // fake number | |
37831078 | 1544 | |
d9888f70 | 1545 | gMC->SetMaxNStep(-30000); // max. number of steps increased |
37831078 | 1546 | |
4481461d | 1547 | if (fPrimaryIonisation) { |
098dfc1a | 1548 | // for FLUKA |
4481461d | 1549 | gMC->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential |
1550 | ||
1551 | gMC->Gstpar(idtmed[2],"PRIMIO_N", 14.35); | |
1552 | gMC->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss | |
8143dfb2 | 1553 | gMC->Gstpar(idtmed[2],"STRA",4); |
098dfc1a | 1554 | } |
1555 | // specific energy loss for geant3 is now defined in galice.cuts | |
4481461d | 1556 | |
37831078 | 1557 | |
a9d15241 | 1558 | AliDebug(1,"*** TPC version 2 initialized ***"); |
1559 | AliDebug(1,Form("Maximum number of steps = %d",gMC->GetMaxNStep())); | |
37831078 | 1560 | |
1561 | // | |
fe4da5cc | 1562 | |
1563 | } | |
1564 | ||
1565 | //_____________________________________________________________________________ | |
1566 | void AliTPCv2::StepManager() | |
1567 | { | |
1568 | // | |
1569 | // Called for every step in the Time Projection Chamber | |
1570 | // | |
1571 | ||
1572 | // | |
1573 | // parameters used for the energy loss calculations | |
1574 | // | |
73042f01 | 1575 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1576 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1577 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
ec6ac410 | 1578 | const Int_t kMaxDistRef =15; // maximal difference between 2 stored references |
fe4da5cc | 1579 | |
73042f01 | 1580 | const Float_t kbig = 1.e10; |
fe4da5cc | 1581 | |
1582 | Int_t id,copy; | |
e61fd20d | 1583 | Float_t hits[5]; |
fe4da5cc | 1584 | Int_t vol[2]; |
37831078 | 1585 | TLorentzVector p; |
fe4da5cc | 1586 | |
37831078 | 1587 | vol[1]=0; // preset row number to 0 |
fe4da5cc | 1588 | // |
f6a67d69 | 1589 | if (!fPrimaryIonisation) gMC->SetMaxStep(kbig); |
fe4da5cc | 1590 | |
0a6d8768 | 1591 | if(!gMC->IsTrackAlive()) return; // particle has disappeared |
fe4da5cc | 1592 | |
cfce8870 | 1593 | Float_t charge = gMC->TrackCharge(); |
fe4da5cc | 1594 | |
1595 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1596 | ||
37831078 | 1597 | // check the sensitive volume |
1598 | ||
c1637e41 | 1599 | id = gMC->CurrentVolID(copy); // vol ID and copy number (starts from 1!) |
1600 | if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume | |
da33556f | 1601 | |
c1637e41 | 1602 | gMC->TrackPosition(p); |
1603 | Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1604 | // | |
1605 | ||
1606 | // | |
1607 | Double_t angle = TMath::ACos(p[0]/r); | |
1608 | angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle; | |
1609 | // | |
1610 | // angular segment, it is not a real sector number... | |
1611 | // | |
1612 | Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/ | |
1613 | fTPCParam->GetInnerAngle()); | |
1614 | // rotate to segment "0" | |
1615 | Float_t cos,sin; | |
1616 | fTPCParam->AdjustCosSin(sector,cos,sin); | |
1617 | Float_t x1=p[0]*cos + p[1]*sin; | |
1618 | // check if within sector's limits | |
5bd5dbc4 | 1619 | if((x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp()) |
1620 | ||(x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp())){ | |
c1637e41 | 1621 | // calculate real sector number... |
1622 | if (x1>fTPCParam->GetOuterRadiusLow()){ | |
1623 | sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/ | |
1624 | fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector(); | |
1625 | if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1); | |
37831078 | 1626 | } |
c1637e41 | 1627 | else |
1628 | if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1); | |
1629 | // | |
1630 | // here I have a sector number | |
1631 | // | |
37831078 | 1632 | |
c1637e41 | 1633 | vol[0]=sector; |
ec6ac410 | 1634 | |
1635 | static Double_t lastReferenceR=0; | |
1636 | if (TMath::Abs(lastReferenceR-r)>kMaxDistRef){ | |
1637 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC); | |
1638 | lastReferenceR = r; | |
1639 | } | |
1640 | ||
c1637e41 | 1641 | // check if change of sector |
1642 | if(sector != fSecOld){ | |
1643 | fSecOld=sector; | |
1644 | // add track reference | |
e6add757 | 1645 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC); |
c1637e41 | 1646 | } |
1647 | // track is in the sensitive strip | |
1648 | if(id == fIdSens){ | |
1649 | // track is entering the strip | |
1650 | if (gMC->IsTrackEntering()){ | |
1651 | Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp(); | |
1652 | vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows; | |
1653 | // row numbers are autonomous for lower and upper sectors | |
1654 | if(vol[0] > fTPCParam->GetNInnerSector()) { | |
1655 | vol[1] -= fTPCParam->GetNRowLow(); | |
1656 | } | |
1657 | // | |
1658 | if(vol[0]<fTPCParam->GetNInnerSector()&&vol[1] == 0){ | |
37831078 | 1659 | |
c1637e41 | 1660 | // lower sector, row 0, because Jouri wants to have this |
37831078 | 1661 | |
c1637e41 | 1662 | gMC->TrackMomentum(p); |
1663 | hits[0]=p[0]; | |
1664 | hits[1]=p[1]; | |
1665 | hits[2]=p[2]; | |
1666 | hits[3]=0.; // this hit has no energy loss | |
1667 | // Get also the track time for pileup simulation | |
1668 | hits[4]=gMC->TrackTime(); | |
6a905708 | 1669 | |
c1637e41 | 1670 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); |
1671 | } | |
1672 | // | |
e61fd20d | 1673 | |
c1637e41 | 1674 | gMC->TrackPosition(p); |
1675 | hits[0]=p[0]; | |
1676 | hits[1]=p[1]; | |
1677 | hits[2]=p[2]; | |
1678 | hits[3]=0.; // this hit has no energy loss | |
1679 | // Get also the track time for pileup simulation | |
1680 | hits[4]=gMC->TrackTime(); | |
930ee558 | 1681 | |
c1637e41 | 1682 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); |
37831078 | 1683 | |
c1637e41 | 1684 | } |
1685 | else return; | |
1686 | } | |
37831078 | 1687 | //----------------------------------------------------------------- |
c1637e41 | 1688 | // charged particle is in the sensitive drift volume |
37831078 | 1689 | //----------------------------------------------------------------- |
cfce8870 | 1690 | if(gMC->TrackStep() > 0) { |
b97617a6 | 1691 | Int_t nel=0; |
1692 | if (!fPrimaryIonisation) { | |
1693 | nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; | |
1694 | } | |
1695 | else { | |
1696 | Float_t edep = gMC->Edep(); | |
1697 | if (edep > 0.) nel = (Int_t)((gMC->Edep()*1.5)/kwIon) + 1; | |
1698 | } | |
fe4da5cc | 1699 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
c1637e41 | 1700 | // |
37831078 | 1701 | gMC->TrackPosition(p); |
1702 | hits[0]=p[0]; | |
1703 | hits[1]=p[1]; | |
1704 | hits[2]=p[2]; | |
fe4da5cc | 1705 | hits[3]=(Float_t)nel; |
c1637e41 | 1706 | |
fe4da5cc | 1707 | // Add this hit |
c1637e41 | 1708 | |
6a905708 | 1709 | if (fHitType&&2){ |
1710 | gMC->TrackMomentum(p); | |
1711 | Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1712 | Float_t precision = (momentum>0.1) ? 0.002 :0.01; | |
1713 | fTrackHits->SetHitPrecision(precision); | |
1714 | } | |
e61fd20d | 1715 | |
1716 | // Get also the track time for pileup simulation | |
1717 | hits[4]=gMC->TrackTime(); | |
c1637e41 | 1718 | |
1719 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); | |
0f2ff24c | 1720 | if (fDebugStreamer){ |
1721 | // You can dump here what you need | |
1722 | // function CreateDebugStremer() to be called in the Config.C macro | |
1723 | // if you want to enable it | |
1724 | // By default debug streaemer is OFF | |
1725 | Float_t edep = gMC->Edep(); | |
1726 | Float_t tstep = gMC->TrackStep(); | |
1727 | Int_t pid=gMC->TrackPid(); | |
1728 | (*fDebugStreamer)<<"hit"<< | |
1729 | "x="<<hits[0]<< // hit position | |
1730 | "y="<<hits[1]<< | |
1731 | "z="<<hits[2]<< | |
1732 | "nel="<<hits[3]<< // number of electorns | |
1733 | "tof="<<hits[4]<< // hit TOF | |
1734 | "edep="<<edep<< // energy deposit | |
1735 | "pid="<<pid<< // pid | |
1736 | "step="<<tstep<< | |
1737 | "p.="<<&p<< | |
1738 | "\n"; | |
1739 | } | |
1740 | ||
c1637e41 | 1741 | } // step>0 |
1742 | } //within sector's limits | |
fe4da5cc | 1743 | // Stemax calculation for the next step |
1744 | ||
1745 | Float_t pp; | |
0a6d8768 | 1746 | TLorentzVector mom; |
b97617a6 | 1747 | // below is valid only for Geant3 (fPromaryIonisation not set) |
1748 | if(!fPrimaryIonisation){ | |
1749 | gMC->TrackMomentum(mom); | |
1750 | Float_t ptot=mom.Rho(); | |
1751 | Float_t betaGamma = ptot/gMC->TrackMass(); | |
595bf2c3 | 1752 | |
b97617a6 | 1753 | Int_t pid=gMC->TrackPid(); |
1754 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) | |
1755 | { | |
1756 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! | |
1757 | } | |
1758 | else | |
1759 | { | |
1760 | ||
1761 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg | |
b40afa5e | 1762 | pp=kprim*AliMathBase::BetheBlochAleph(betaGamma); |
595bf2c3 | 1763 | |
fe4da5cc | 1764 | } |
1765 | ||
b97617a6 | 1766 | Double_t rnd = gMC->GetRandom()->Rndm(); |
fe4da5cc | 1767 | |
b97617a6 | 1768 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); |
1769 | } | |
c1637e41 | 1770 | |
fe4da5cc | 1771 | } |
1772 | ||
73042f01 | 1773 |