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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" |
1ac29fc4 | 53 | |
c1637e41 | 54 | ClassImp(AliTPCv2) |
55 | ||
56 | //_____________________________________________________________________________ | |
57 | AliTPCv2::AliTPCv2(const char *name, const char *title) : | |
e046d791 | 58 | AliTPC(name, title), |
59 | fIdSens(0), | |
60 | fIDrift(0), | |
61 | fSecOld(0) | |
c1637e41 | 62 | { |
63 | // | |
64 | // Standard constructor for Time Projection Chamber version 2 | |
65 | // | |
6a905708 | 66 | |
37831078 | 67 | |
c1637e41 | 68 | SetBufferSize(128000); |
79575d04 | 69 | |
79575d04 | 70 | |
db2fdcfb | 71 | // if (fTPCParam) |
72 | // fTPCParam->Write(fTPCParam->GetTitle()); | |
c1637e41 | 73 | } |
74 | ||
75 | //_____________________________________________________________________________ | |
76 | void AliTPCv2::CreateGeometry() | |
77 | { | |
78 | // | |
79 | // Create the geometry of Time Projection Chamber version 2 | |
80 | // | |
81 | //Begin_Html | |
82 | /* | |
83 | <img src="picts/AliTPC.gif"> | |
84 | */ | |
85 | //End_Html | |
86 | //Begin_Html | |
87 | /* | |
88 | <img src="picts/AliTPCv2Tree.gif"> | |
89 | */ | |
90 | //End_Html | |
37831078 | 91 | |
92 | //---------------------------------------------------------- | |
c1637e41 | 93 | // This geometry is written using TGeo class |
94 | // Firstly the shapes are defined, and only then the volumes | |
95 | // What is recognized by the MC are volumes | |
37831078 | 96 | //---------------------------------------------------------- |
c1637e41 | 97 | // |
98 | // tpc - this will be the mother volume | |
99 | // | |
37831078 | 100 | |
c1637e41 | 101 | // |
102 | // here I define a volume TPC | |
103 | // retrive the medium name with "TPC_" as a leading string | |
104 | // | |
78134e48 | 105 | TGeoPcon *tpc = new TGeoPcon(0.,360.,20); //20 sections |
c1637e41 | 106 | // |
78134e48 | 107 | tpc->DefineSection(0,-291.,77.,278.); |
108 | tpc->DefineSection(1,-270,77.,278.); | |
c1637e41 | 109 | // |
78134e48 | 110 | tpc->DefineSection(2,-270.,77.,278.); |
111 | tpc->DefineSection(3,-259.6,70.,278.); | |
c1637e41 | 112 | // |
78134e48 | 113 | tpc->DefineSection(4,-259.6,68.1,278.); |
114 | tpc->DefineSection(5,-253.6,68.1,278.); | |
c1637e41 | 115 | // |
78134e48 | 116 | tpc->DefineSection(6,-253.6,68.,278.); |
117 | tpc->DefineSection(7,-74.0,60.8,278.); | |
c1637e41 | 118 | // |
78134e48 | 119 | tpc->DefineSection(8,-74.0,60.1,278.); |
120 | tpc->DefineSection(9,-73.3,60.1,278.); | |
c1637e41 | 121 | // |
78134e48 | 122 | tpc->DefineSection(10,-73.3,56.9,278.); |
123 | tpc->DefineSection(11,73.3,56.9,278.); | |
c1637e41 | 124 | // |
78134e48 | 125 | tpc->DefineSection(12,73.3,60.1,278.); |
126 | tpc->DefineSection(13,74.0,60.1,278.); | |
c1637e41 | 127 | // |
78134e48 | 128 | tpc->DefineSection(14,74.0,60.8,278.); |
129 | tpc->DefineSection(15,253.6,65.5,278.); | |
130 | // | |
131 | tpc->DefineSection(16,253.6,65.6,278.); | |
132 | tpc->DefineSection(17,259.6,65.6,278.); | |
133 | // | |
134 | tpc->DefineSection(18,259.6,70.0,278.); | |
135 | tpc->DefineSection(19,291.,77.,278.); | |
c1637e41 | 136 | // |
137 | TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air"); | |
138 | TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1); | |
139 | // | |
140 | // drift volume - sensitive volume, extended beyond the | |
141 | // endcaps, because of the alignment | |
142 | // | |
143 | TGeoPcon *dvol = new TGeoPcon(0.,360.,6); | |
144 | dvol->DefineSection(0,-260.,74.5,264.4); | |
145 | dvol->DefineSection(1,-253.6,74.5,264.4); | |
146 | // | |
147 | dvol->DefineSection(2,-253.6,76.6774,258.); | |
148 | dvol->DefineSection(3,253.6,76.6774,258.); | |
149 | // | |
150 | dvol->DefineSection(4,253.6,74.5,264.4); | |
151 | dvol->DefineSection(5,260.,74.5,264.4); | |
152 | // | |
153 | TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2"); | |
154 | TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5); | |
155 | // | |
156 | v1->AddNode(v9,1); | |
157 | // | |
158 | // outer insulator | |
159 | // | |
160 | TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator | |
161 | // | |
162 | tpco->DefineSection(0,-256.6,264.8,278.); | |
163 | tpco->DefineSection(1,-253.6,264.8,278.); | |
164 | // | |
165 | tpco->DefineSection(2,-253.6,258.,278.); | |
166 | tpco->DefineSection(3,250.6,258.,278.); | |
167 | // | |
168 | tpco->DefineSection(4,250.6,258.,275.5); | |
169 | tpco->DefineSection(5,253.6,258.,275.5); | |
170 | // | |
171 | TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2"); | |
172 | TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2); | |
173 | // | |
174 | // outer containment vessel | |
175 | // | |
176 | TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel | |
177 | // | |
178 | tocv->DefineSection(0,-256.6,264.8,278.); | |
179 | tocv->DefineSection(1,-253.6,264.8,278.); | |
180 | // | |
181 | tocv->DefineSection(2,-253.6,274.8124,278.); | |
182 | tocv->DefineSection(3,247.6,274.8124,278.); | |
183 | // | |
184 | tocv->DefineSection(4,247.6,270.4,278.); | |
185 | tocv->DefineSection(5,250.6,270.4,278.); | |
186 | // | |
187 | TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al"); | |
188 | TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3); | |
189 | // | |
190 | TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy | |
191 | TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar | |
192 | TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2 | |
193 | TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex | |
194 | // | |
195 | TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy"); | |
196 | TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar"); | |
197 | TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2"); | |
198 | TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex"); | |
199 | // | |
200 | TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1); | |
201 | TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2); | |
202 | TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3); | |
203 | TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4); | |
204 | //------------------------------------------------------- | |
205 | // Tpc Outer Field Cage | |
206 | // daughters - composite (sandwich) | |
207 | //------------------------------------------------------- | |
37831078 | 208 | |
c1637e41 | 209 | TGeoPcon *tofc = new TGeoPcon(0.,360.,6); |
210 | // | |
211 | tofc->DefineSection(0,-253.6,258.,269.6); | |
212 | tofc->DefineSection(1,-250.6,258.,269.6); | |
213 | // | |
214 | tofc->DefineSection(2,-250.6,258.,260.0676); | |
215 | tofc->DefineSection(3,250.6,258.,260.0676); | |
216 | // | |
217 | tofc->DefineSection(4,250.6,258.,275.5); | |
218 | tofc->DefineSection(5,253.6,258.,275.5); | |
219 | // | |
220 | TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3); | |
221 | //sandwich | |
222 | TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar | |
223 | TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3 | |
224 | TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex | |
225 | // | |
226 | TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3"); | |
227 | // | |
228 | TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2); | |
229 | TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5); | |
230 | TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4); | |
231 | // | |
232 | // outer part - positioning | |
233 | // | |
234 | tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1); | |
235 | // | |
236 | tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1); | |
237 | // | |
456cb019 | 238 | v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1); |
c1637e41 | 239 | // |
240 | v2->AddNode(v3,1); v2->AddNode(v4,1); | |
241 | // | |
242 | v1->AddNode(v2,1); | |
243 | //-------------------------------------------------------------------- | |
244 | // Tpc Inner INsulator (CO2) | |
245 | // the cones, the central drum and the inner f.c. sandwich with a piece | |
246 | // of the flane will be placed in the TPC | |
247 | //-------------------------------------------------------------------- | |
248 | TGeoPcon *tpci = new TGeoPcon(0.,360.,4); | |
249 | // | |
250 | tpci->DefineSection(0,-253.6,68.4,76.6774); | |
251 | tpci->DefineSection(1,-74.0,61.2,76.6774); | |
252 | // | |
253 | tpci->DefineSection(2,74.0,61.2,76.6774); | |
254 | // | |
255 | tpci->DefineSection(3,253.6,65.9,76.6774); | |
256 | // | |
257 | TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2); | |
258 | // | |
259 | // now the inner field cage - only part of flanges (2 copies) | |
260 | // | |
261 | TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5); | |
262 | TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3); | |
263 | // | |
264 | //--------------------------------------------------------- | |
265 | // Tpc Inner Containment vessel - Muon side | |
266 | //--------------------------------------------------------- | |
267 | TGeoPcon *tcms = new TGeoPcon(0.,360.,10); | |
268 | // | |
269 | tcms->DefineSection(0,-259.1,68.1,74.2); | |
270 | tcms->DefineSection(1,-253.6,68.1,74.2); | |
271 | // | |
272 | tcms->DefineSection(2,-253.6,68.1,68.4); | |
273 | tcms->DefineSection(3,-74.0,60.9,61.2); | |
274 | // | |
275 | tcms->DefineSection(4,-74.0,60.1,61.2); | |
276 | tcms->DefineSection(5,-73.3,60.1,61.2); | |
277 | // | |
278 | tcms->DefineSection(6,-73.3,56.9,61.2); | |
279 | tcms->DefineSection(7,-73.0,56.9,61.2); | |
280 | // | |
281 | tcms->DefineSection(8,-73.0,56.9,58.8); | |
282 | tcms->DefineSection(9,-71.3,56.9,58.8); | |
283 | // | |
284 | TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3); | |
285 | //----------------------------------------------- | |
286 | // inner containment vessel - shaft side | |
287 | //----------------------------------------------- | |
288 | TGeoPcon *tcss = new TGeoPcon(0.,360.,10); | |
289 | // | |
290 | tcss->DefineSection(0,71.3,56.9,58.8); | |
291 | tcss->DefineSection(1,73.0,56.9,58.8); | |
292 | // | |
293 | tcss->DefineSection(2,73.0,56.9,61.2); | |
294 | tcss->DefineSection(3,73.3,56.9,61.2); | |
295 | // | |
296 | tcss->DefineSection(4,73.3,60.1,61.2); | |
297 | tcss->DefineSection(5,74.0,60.1,61.2); | |
298 | // | |
299 | tcss->DefineSection(6,74.0,60.9,61.2); | |
300 | tcss->DefineSection(7,253.6,65.6,65.9); | |
301 | // | |
302 | tcss->DefineSection(8,253.6,65.6,74.2); | |
303 | tcss->DefineSection(9,258.1,65.6,74.2); | |
304 | // | |
305 | TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3); | |
306 | //----------------------------------------------- | |
307 | // Inner field cage | |
308 | // define 4 parts and make an assembly | |
309 | //----------------------------------------------- | |
310 | // part1 - Al - 2 copies | |
311 | TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75); | |
312 | TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3); | |
313 | // sandwich - outermost parts - 2 copies | |
c1637e41 | 314 | // |
878dd3f2 | 315 | // segment outermost |
316 | // | |
317 | TGeoTubeSeg *t2 = new TGeoTubeSeg(76.6774,78.845,74.175,350.,109.9); // tedlar 38 microns | |
318 | TGeoTubeSeg *t3 = new TGeoTubeSeg(76.6812,78.8412,74.175,350.,109.9); // prepreg2 500 microns | |
319 | TGeoTubeSeg *t4 = new TGeoTubeSeg(76.7312,78.7912,74.175,350.,109.9); // prepreg3 300 microns | |
320 | TGeoTubeSeg *t5 = new TGeoTubeSeg(76.7612,78.7612,74.175,350.,109.9); // nomex 2 cm | |
321 | TGeoTubeSeg *tepox1 = new TGeoTubeSeg(76.6774,78.845,74.175,109.9,110.);//epoxy | |
322 | TGeoTubeSeg *tpr1 = new TGeoTubeSeg(78.845,78.885,74.175,119.,121.); | |
323 | ||
324 | // volumes for the outer part | |
c1637e41 | 325 | TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2); |
326 | TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3); | |
327 | TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5); | |
328 | TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4); | |
878dd3f2 | 329 | TGeoVolume *tvep1 = new TGeoVolume("TPC_IFEPOX1",tepox1,sm1); |
330 | TGeoVolume *tvpr1 = new TGeoVolume("TPC_PRSTR1",tpr1,sm2); | |
c1637e41 | 331 | // |
332 | // middle parts - 2 copies | |
c1637e41 | 333 | // |
878dd3f2 | 334 | // segment middle |
335 | // | |
336 | TGeoTubeSeg *t6 = new TGeoTubeSeg(76.6774,78.795,5.,350.,109.9); // tedlar 38 microns | |
337 | TGeoTubeSeg *t7 = new TGeoTubeSeg(76.6812,78.7912,5.,350.,109.9); // prepreg2 250 microns | |
338 | TGeoTubeSeg *t8 = new TGeoTubeSeg(76.7062,78.7662,5.,350.,109.9); // prepreg3 300 microns | |
339 | TGeoTubeSeg *t9 = new TGeoTubeSeg(76.7362,78.7362,5.,350.,109.9); // nomex 2 cm | |
340 | TGeoTubeSeg *tepox2 = new TGeoTubeSeg(76.6774,78.795,5.,109.9,110.);//epoxy | |
341 | TGeoTubeSeg *tpr2 = new TGeoTubeSeg(78.795,78.835,5.,119.,121.); | |
342 | // volumes for the middle part | |
c1637e41 | 343 | TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2); |
344 | TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3); | |
345 | TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5); | |
346 | TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4); | |
878dd3f2 | 347 | TGeoVolume *tvep2 = new TGeoVolume("TPC_IFEPOX2",tepox2,sm1); |
348 | TGeoVolume *tvpr2 = new TGeoVolume("TPC_PRSTR2",tpr2,sm2); | |
c1637e41 | 349 | // central part - 1 copy |
878dd3f2 | 350 | // |
351 | // segment central part | |
352 | // | |
353 | TGeoTubeSeg *t10 = new TGeoTubeSeg(76.6774,78.785,93.75,350.,109.9); // tedlar 38 microns | |
354 | TGeoTubeSeg *t11 = new TGeoTubeSeg(76.6812,78.7812,93.75,350.,109.9); // prepreg3 500 microns | |
355 | TGeoTubeSeg *t12 = new TGeoTubeSeg(76.7312,78.7312,93.75,350.,109.9); // nomex 2 cm | |
356 | TGeoTubeSeg *tepox3 = new TGeoTubeSeg(76.6774,78.785,93.75,109.9,110.);//epoxy | |
357 | TGeoTubeSeg *tpr3 = new TGeoTubeSeg(78.785,78.825,93.75,119.,121.); | |
358 | // volumes for the central part | |
c1637e41 | 359 | TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2); |
360 | TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5); | |
361 | TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4); | |
878dd3f2 | 362 | TGeoVolume *tvep3 = new TGeoVolume("TPC_IFEPOX3",tepox3,sm1); |
363 | TGeoVolume *tvpr3 = new TGeoVolume("TPC_PRSTR3",tpr3,sm2); | |
c1637e41 | 364 | // |
878dd3f2 | 365 | // creating a sandwich for the outer par,t tv2 is the mother |
c1637e41 | 366 | // |
c1637e41 | 367 | tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1); |
368 | // | |
878dd3f2 | 369 | // creating a sandwich for the middle part, tv6 is the mother |
370 | // | |
c1637e41 | 371 | tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1); |
372 | // | |
878dd3f2 | 373 | // creating a sandwich for the central part, tv10 is the mother |
374 | // | |
c1637e41 | 375 | tv10->AddNode(tv11,1); tv11->AddNode(tv12,1); |
376 | // | |
878dd3f2 | 377 | TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); // ifc itself - 3 segments |
378 | // | |
379 | // | |
380 | // | |
381 | TGeoRotation *segrot; | |
382 | ||
c1637e41 | 383 | // |
878dd3f2 | 384 | // first segment - no rotation |
385 | // | |
386 | // central | |
387 | tv100->AddNode(tv10,1); //sandwich | |
388 | tv100->AddNode(tvep3,1);//epoxy | |
389 | tv100->AddNode(tvpr3,1);//prepreg strip | |
390 | // middle | |
391 | tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); //sandwich1 | |
392 | tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); // sandwich2 | |
393 | tv100->AddNode(tvep2,1,new TGeoTranslation(0.,0.,-98.75)); //epoxy | |
394 | tv100->AddNode(tvep2,2,new TGeoTranslation(0.,0.,98.75)); //epoxy | |
395 | tv100->AddNode(tvpr2,1,new TGeoTranslation(0.,0.,-98.75));//prepreg strip | |
396 | tv100->AddNode(tvpr2,2,new TGeoTranslation(0.,0.,98.75)); | |
397 | // outer | |
398 | tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); //sandwich | |
c1637e41 | 399 | tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925)); |
878dd3f2 | 400 | tv100->AddNode(tvep1,1,new TGeoTranslation(0.,0.,-177.925)); //epoxy |
401 | tv100->AddNode(tvep1,2,new TGeoTranslation(0.,0.,177.925)); | |
402 | tv100->AddNode(tvpr1,1,new TGeoTranslation(0.,0.,-177.925));//prepreg strip | |
403 | tv100->AddNode(tvpr1,2,new TGeoTranslation(0.,0.,-177.925)); | |
404 | // | |
405 | // second segment - rotation 120 deg. | |
406 | // | |
407 | segrot = new TGeoRotation(); | |
408 | segrot->RotateZ(120.); | |
409 | // | |
410 | // central | |
411 | tv100->AddNode(tv10,2,segrot); //sandwich | |
412 | tv100->AddNode(tvep3,2,segrot);//epoxy | |
413 | tv100->AddNode(tvpr3,2,segrot);//prepreg strip | |
414 | // middle | |
415 | tv100->AddNode(tv6,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1 | |
416 | tv100->AddNode(tv6,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2 | |
417 | tv100->AddNode(tvep2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy | |
418 | tv100->AddNode(tvep2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy | |
419 | tv100->AddNode(tvpr2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip | |
420 | tv100->AddNode(tvpr2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); | |
421 | //outer | |
422 | tv100->AddNode(tv2,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich | |
423 | tv100->AddNode(tv2,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
424 | tv100->AddNode(tvep1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy | |
425 | tv100->AddNode(tvep1,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
426 | tv100->AddNode(tvpr1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip | |
427 | tv100->AddNode(tvpr1,4,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
428 | // | |
429 | // third segment - rotation 240 deg. | |
430 | // | |
431 | segrot = new TGeoRotation(); | |
432 | segrot->RotateZ(240.); | |
433 | // | |
434 | // central | |
435 | tv100->AddNode(tv10,3,segrot); //sandwich | |
436 | tv100->AddNode(tvep3,3,segrot);//epoxy | |
437 | tv100->AddNode(tvpr3,3,segrot);//prepreg strip | |
438 | // middle | |
439 | tv100->AddNode(tv6,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1 | |
440 | tv100->AddNode(tv6,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2 | |
441 | tv100->AddNode(tvep2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy | |
442 | tv100->AddNode(tvep2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy | |
443 | tv100->AddNode(tvpr2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip | |
444 | tv100->AddNode(tvpr2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); | |
445 | //outer | |
446 | tv100->AddNode(tv2,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich | |
447 | tv100->AddNode(tv2,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
448 | tv100->AddNode(tvep1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy | |
449 | tv100->AddNode(tvep1,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
450 | tv100->AddNode(tvpr1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip | |
451 | tv100->AddNode(tvpr1,6,new TGeoCombiTrans(0.,0.,177.925,segrot)); | |
452 | // Al parts - rings | |
c1637e41 | 453 | tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85)); |
454 | tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85)); | |
455 | // | |
456 | v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1)); | |
457 | v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1)); | |
458 | v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1); | |
459 | v9->AddNode(tv100,1); | |
460 | // | |
461 | // central drum | |
462 | // | |
463 | // flange + sandwich | |
464 | // | |
465 | TGeoPcon *cfl = new TGeoPcon(0.,360.,6); | |
466 | cfl->DefineSection(0,-71.1,59.7,61.2); | |
467 | cfl->DefineSection(1,-68.6,59.7,61.2); | |
468 | // | |
efbf94c5 | 469 | cfl->DefineSection(2,-68.6,60.6124,61.2); |
470 | cfl->DefineSection(3,68.6,60.6124,61.2); | |
c1637e41 | 471 | // |
472 | cfl->DefineSection(4,68.6,59.7,61.2); | |
473 | cfl->DefineSection(5,71.1,59.7,61.2); | |
474 | // | |
475 | TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3); | |
476 | // sandwich | |
efbf94c5 | 477 | TGeoTube *cd1 = new TGeoTube(60.6224,61.19,71.1); |
478 | TGeoTube *cd2 = new TGeoTube(60.6262,61.1862,71.1); | |
479 | TGeoTube *cd3 = new TGeoTube(60.6462,61.1662,71.1); | |
480 | TGeoTube *cd4 = new TGeoTube(60.6562,61.1562,71.1); | |
c1637e41 | 481 | // |
482 | TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1"); | |
efbf94c5 | 483 | TGeoMedium *sm8 = gGeoManager->GetMedium("TPC_Epoxyfm"); |
c1637e41 | 484 | TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar |
485 | TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1 | |
efbf94c5 | 486 | TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm8); //epoxy film |
487 | TGeoVolume *cd4v = new TGeoVolume("TPC_CDR4",cd4,sm4); //nomex | |
488 | ||
c1637e41 | 489 | // |
490 | // seals for central drum 2 copies | |
491 | // | |
492 | TGeoTube *cs = new TGeoTube(56.9,61.2,0.1); | |
493 | TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar"); | |
494 | TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7); | |
3378c058 | 495 | v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2)); |
496 | v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2)); | |
c1637e41 | 497 | // |
498 | // seal collars | |
499 | TGeoPcon *se = new TGeoPcon(0.,360.,6); | |
500 | se->DefineSection(0,-72.8,59.7,61.2); | |
501 | se->DefineSection(1,-72.3,59.7,61.2); | |
502 | // | |
503 | se->DefineSection(2,-72.3,58.85,61.2); | |
504 | se->DefineSection(3,-71.6,58.85,61.2); | |
505 | // | |
506 | se->DefineSection(4,-71.6,59.7,61.2); | |
507 | se->DefineSection(5,-71.3,59.7,61.2); | |
508 | // | |
509 | TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3); | |
510 | // | |
511 | TGeoTube *si = new TGeoTube(56.9,58.8,1.); | |
512 | TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3); | |
513 | // | |
514 | // define reflection matrix | |
515 | // | |
4fa47888 | 516 | TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.); |
c1637e41 | 517 | // |
efbf94c5 | 518 | cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cd3v->AddNode(cd4v,1); cflv->AddNode(cd1v,1); |
c1637e41 | 519 | // |
a1ec4d07 | 520 | v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9)); |
521 | v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9)); | |
c1637e41 | 522 | v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1); |
523 | // | |
524 | // central membrane - 2 rings and a mylar membrane - assembly | |
525 | // | |
0f788f87 | 526 | TGeoTube *ih = new TGeoTube(80.1,84.1,0.2); |
ceb660a9 | 527 | TGeoTube *oh = new TGeoTube(250.25,256.75,0.2); |
528 | TGeoTube *mem = new TGeoTube(84.1,250.25,0.01); | |
c1637e41 | 529 | TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3); |
530 | TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3); | |
531 | TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7); | |
532 | // | |
533 | TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM"); | |
534 | cm->AddNode(ihv,1); | |
535 | cm->AddNode(ohv,1); | |
536 | cm->AddNode(memv,1); | |
537 | v9->AddNode(cm,1); | |
538 | // | |
539 | // end caps - they are make as an assembly of single segments | |
540 | // containing both readout chambers | |
541 | // | |
d899e254 | 542 | Double_t openingAngle = 10.*TMath::DegToRad(); |
c1637e41 | 543 | Double_t thick=1.5; // rib |
d899e254 | 544 | Double_t shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 545 | // |
d899e254 | 546 | Double_t lowEdge = 86.3; // hole in the wheel |
547 | Double_t upEdge = 240.4; // hole in the wheel | |
c1637e41 | 548 | // |
549 | new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.); | |
550 | // | |
551 | TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4); | |
552 | // | |
d899e254 | 553 | hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift); |
554 | hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift); | |
c1637e41 | 555 | // |
d899e254 | 556 | hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift); |
557 | hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift); | |
c1637e41 | 558 | // |
d899e254 | 559 | Double_t ys = shift*TMath::Sin(openingAngle); |
560 | Double_t xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 561 | TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.); |
562 | tr->RegisterYourself(); | |
563 | TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr"); | |
564 | TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3); | |
565 | TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2); | |
566 | bar->DefineSection(0,-3.,131.5-shift,136.5-shift); | |
567 | bar->DefineSection(1,1.5,131.5-shift,136.5-shift); | |
568 | TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3); | |
569 | TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment | |
570 | // | |
571 | ch->AddNode(sv,1); ch->AddNode(barv,1,tr); | |
572 | // | |
573 | // readout chambers | |
574 | // | |
575 | // IROC first | |
576 | // | |
577 | TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15); | |
578 | TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3); | |
579 | // empty space | |
580 | TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65); | |
581 | TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1); | |
582 | ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.)); | |
583 | //bars | |
584 | Double_t tga = (19.8328-12.3742)/39.3; | |
585 | Double_t xmin,xmax; | |
586 | xmin = 9.55*tga+12.3742; | |
587 | xmax = 9.95*tga+12.3742; | |
588 | TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
589 | TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3); | |
590 | empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9)); | |
591 | xmin=19.4*tga+12.3742; | |
592 | xmax=19.9*tga+12.3742; | |
593 | TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25); | |
594 | TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3); | |
595 | empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.)); | |
596 | xmin=29.35*tga+12.3742; | |
597 | xmax=29.75*tga+12.3742; | |
598 | TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
599 | TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3); | |
600 | empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9)); | |
601 | // | |
602 | // holes for connectors | |
603 | // | |
604 | TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc | |
605 | TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1); | |
d9e80aca | 606 | TString fileName(gSystem->Getenv("ALICE_ROOT")); |
607 | fileName += "/TPC/conn_iroc.dat"; | |
c1637e41 | 608 | ifstream in; |
d9e80aca | 609 | in.open(fileName.Data(), ios_base::in); // asci file |
2d1d58a6 | 610 | TGeoRotation *rrr[86]; |
c1637e41 | 611 | for(Int_t i =0;i<86;i++){ |
456cb019 | 612 | Double_t y = 3.99; |
c1637e41 | 613 | Double_t x,z,ang; |
614 | in>>x>>z>>ang; | |
456cb019 | 615 | z-=26.5; |
2d1d58a6 | 616 | rrr[i]= new TGeoRotation(); |
617 | rrr[i]->RotateY(ang); | |
618 | ibdv->AddNode(connv,i+1,new TGeoCombiTrans(x,y,z,rrr[i])); | |
c1637e41 | 619 | } |
620 | in.close(); | |
621 | // "cap" | |
622 | new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825); | |
623 | // "hole" | |
624 | new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15); | |
625 | TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725); | |
626 | tr1->RegisterYourself(); | |
627 | TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1"); | |
628 | TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3); | |
629 | // | |
630 | // pad plane and wire fixations | |
631 | // | |
632 | TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso | |
633 | TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10"); | |
634 | TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4); | |
635 | TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.); | |
636 | TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4); | |
637 | TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.); | |
638 | TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4); | |
639 | // | |
640 | TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC"); | |
641 | // | |
642 | iroc->AddNode(ibdv,1); | |
643 | iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725)); | |
644 | iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725)); | |
645 | tga =(23.3521-14.5974)/49.65; | |
646 | Double_t xx = 24.825*tga+14.5974-0.6; | |
647 | iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725)); | |
648 | iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725)); | |
649 | // | |
650 | // OROC | |
651 | // | |
652 | TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65); | |
653 | TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3); | |
654 | TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65); | |
655 | TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1); | |
656 | obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.)); | |
657 | //horizontal bars | |
658 | tga=(38.5084-20.2938)/99.3; | |
659 | xmin=tga*10.2+20.2938; | |
660 | xmax=tga*10.6+20.2938; | |
661 | TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
662 | TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3); | |
663 | // | |
664 | xmin=22.55*tga+20.2938; | |
665 | xmax=24.15*tga+20.2938; | |
666 | TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
667 | TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3); | |
668 | // | |
669 | xmin=36.1*tga+20.2938; | |
670 | xmax=36.5*tga+20.2938; | |
671 | TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
672 | TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3); | |
673 | // | |
674 | xmin=49.0*tga+20.2938; | |
675 | xmax=50.6*tga+20.2938; | |
676 | TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
677 | TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3); | |
678 | // | |
679 | xmin=63.6*tga+20.2938; | |
680 | xmax=64.0*tga+20.2938; | |
681 | TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
682 | TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3); | |
683 | // | |
684 | xmin=75.5*tga+20.2938; | |
685 | xmax=77.15*tga+20.2938; | |
686 | TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
687 | TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3); | |
688 | // | |
689 | xmin=88.7*tga+20.2938; | |
690 | xmax=89.1*tga+20.2938; | |
691 | TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
692 | TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3); | |
693 | // | |
694 | oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25)); | |
695 | oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3)); | |
696 | oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35)); | |
697 | oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15)); | |
698 | oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15)); | |
699 | oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7)); | |
700 | oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25)); | |
701 | // vertical bars | |
702 | TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1); | |
703 | TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975); | |
704 | TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775); | |
705 | TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25); | |
706 | TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5); | |
707 | // | |
708 | TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3); | |
709 | TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3); | |
710 | TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3); | |
711 | TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3); | |
712 | TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3); | |
713 | // | |
714 | oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55)); | |
715 | oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55)); | |
716 | oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075)); | |
717 | oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525)); | |
718 | oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125)); | |
719 | oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275)); | |
720 | oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9)); | |
721 | oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45)); | |
722 | // | |
723 | // holes for connectors | |
724 | // | |
d9e80aca | 725 | fileName = gSystem->Getenv("ALICE_ROOT"); |
726 | fileName += "/TPC/conn_oroc.dat"; | |
727 | in.open(fileName.Data(), ios_base::in); // asci file | |
2d1d58a6 | 728 | TGeoRotation *rr[78]; |
c1637e41 | 729 | for(Int_t i =0;i<78;i++){ |
730 | Double_t y =3.89; | |
731 | Double_t x,z,ang; | |
732 | Double_t x1,z1,x2,z2; | |
733 | in>>x>>z>>ang; | |
734 | Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad()); | |
735 | Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad()); | |
736 | // | |
737 | x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z; | |
738 | // | |
2d1d58a6 | 739 | rr[i]= new TGeoRotation(); |
740 | rr[i]->RotateY(ang); | |
c1637e41 | 741 | z1-=54.95; |
742 | z2-=54.95; | |
5f174279 | 743 | // |
2d1d58a6 | 744 | obdv->AddNode(connv,i+1,new TGeoCombiTrans(x1,y,z1,rr[i])); |
745 | obdv->AddNode(connv,i+79,new TGeoCombiTrans(x2,y,z2,rr[i])); | |
c1637e41 | 746 | } |
747 | in.close(); | |
748 | // cap | |
749 | new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1); | |
750 | new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65); | |
751 | TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15); | |
752 | tr5->RegisterYourself(); | |
753 | TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5"); | |
754 | TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3); | |
755 | // | |
756 | // pad plane and wire fixations | |
757 | // | |
758 | TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1); | |
759 | TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4); | |
760 | // | |
761 | tga=(43.5239-23.3874)/114.2; | |
762 | TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.); | |
763 | TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.); | |
764 | xx = 57.1*tga+23.3874-0.7; | |
765 | TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4); | |
766 | TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4); | |
767 | // | |
768 | TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC"); | |
769 | // | |
770 | oroc->AddNode(obdv,1); | |
771 | oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15)); | |
772 | oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15)); | |
773 | oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15)); | |
774 | oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15)); | |
775 | // | |
776 | // now iroc and oroc are placed into a sector... | |
777 | // | |
a1ec4d07 | 778 | TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side |
779 | TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side | |
c1637e41 | 780 | TGeoRotation rot1("rot1",90.,90.,0.); |
781 | TGeoRotation rot2("rot2"); | |
782 | rot2.RotateY(10.); | |
783 | TGeoRotation *rot = new TGeoRotation("rot"); | |
784 | *rot=rot1*rot2; | |
785 | // | |
786 | Double_t x0,y0; | |
d899e254 | 787 | x0=110.2*TMath::Cos(openingAngle); |
788 | y0=110.2*TMath::Sin(openingAngle); | |
1bae4c82 | 789 | TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side |
790 | TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side | |
d899e254 | 791 | x0=188.45*TMath::Cos(openingAngle); |
792 | y0=188.45*TMath::Sin(openingAngle); | |
1bae4c82 | 793 | TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side |
794 | TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side | |
c1637e41 | 795 | // |
c1637e41 | 796 | // |
a1ec4d07 | 797 | // A-side |
c1637e41 | 798 | // |
a1ec4d07 | 799 | secta->AddNode(ch,1); |
800 | secta->AddNode(iroc,1,combi1a); | |
801 | secta->AddNode(oroc,1,combi2a); | |
802 | // | |
803 | // C-side | |
804 | // | |
805 | sectc->AddNode(ch,1); | |
806 | sectc->AddNode(iroc,1,combi1c); | |
807 | sectc->AddNode(oroc,1,combi2c); | |
808 | // | |
809 | // now I try to make wheels... | |
810 | // | |
811 | TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
812 | TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
c1637e41 | 813 | // |
5f174279 | 814 | TGeoRotation *rwh[18]; |
c1637e41 | 815 | for(Int_t i =0;i<18;i++){ |
816 | Double_t phi = (20.*i); | |
5f174279 | 817 | rwh[i]=new TGeoRotation(); |
818 | rwh[i]->RotateZ(phi); | |
819 | wheela->AddNode(secta,i+1,rwh[i]); | |
820 | wheelc->AddNode(sectc,i+1,rwh[i]); | |
79575d04 | 821 | |
c1637e41 | 822 | } |
4fa47888 | 823 | // wheels in the drift volume! |
a1ec4d07 | 824 | |
c1637e41 | 825 | TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref); |
a1ec4d07 | 826 | v9->AddNode(wheela,1,combi3); |
827 | v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6)); | |
c1637e41 | 828 | //_____________________________________________________________ |
829 | // service support wheel | |
830 | //_____________________________________________________________ | |
831 | TGeoPgon *sw = new TGeoPgon(0.,20.,1,2); | |
832 | sw->DefineSection(0,-4.,80.5,251.75); | |
833 | sw->DefineSection(1,4.,80.5,251.75); | |
834 | TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al | |
835 | // | |
836 | thick=1.; | |
d899e254 | 837 | shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 838 | TGeoPgon *sh = new TGeoPgon(0.,20.,1,2); |
839 | sh->DefineSection(0,-4.,81.5-shift,250.75-shift); | |
840 | sh->DefineSection(1,4.,81.5-shift,250.75-shift); | |
841 | TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air | |
842 | // | |
74518339 | 843 | TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si"); |
844 | TGeoPgon *el = new TGeoPgon(0.,20.,1,2); | |
845 | el->DefineSection(0,-1.872,81.5-shift,250.75-shift); | |
846 | el->DefineSection(1,1.872,81.5-shift,250.75-shift); | |
847 | TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si | |
848 | // | |
849 | shv->AddNode(elv,1); | |
850 | // | |
851 | // | |
d899e254 | 852 | ys = shift*TMath::Sin(openingAngle); |
853 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 854 | swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.)); |
855 | // cover | |
856 | TGeoPgon *co = new TGeoPgon(0.,20.,1,2); | |
857 | co->DefineSection(0,-0.5,77.,255.25); | |
858 | co->DefineSection(1,0.5,77.,255.25); | |
859 | TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al | |
860 | // hole in a cover | |
861 | TGeoPgon *coh = new TGeoPgon(0.,20.,1,2); | |
d899e254 | 862 | shift=4./TMath::Sin(openingAngle); |
c1637e41 | 863 | coh->DefineSection(0,-0.5,85.-shift,247.25-shift); |
864 | coh->DefineSection(1,0.5,85.-shift,247.25-shift); | |
865 | // | |
866 | TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1); | |
867 | // | |
d899e254 | 868 | ys = shift*TMath::Sin(openingAngle); |
869 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 870 | cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.)); |
871 | // | |
872 | // Sector as an Assembly | |
873 | // | |
874 | TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC"); | |
875 | swhs->AddNode(swv,1); | |
876 | swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5)); | |
877 | swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5)); | |
878 | // | |
879 | // SSW as an Assembly of sectors | |
880 | // | |
5f174279 | 881 | TGeoRotation *rsw[18]; |
882 | TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL"); | |
c1637e41 | 883 | for(Int_t i =0;i<18;i++){ |
884 | Double_t phi = (20.*i); | |
5f174279 | 885 | rsw[i] = new TGeoRotation(); |
886 | rsw[i]->RotateZ(phi); | |
887 | swheel->AddNode(swhs,i+1,rsw[i]); | |
c1637e41 | 888 | } |
889 | v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6)); | |
890 | v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6)); | |
891 | ||
892 | // sensitive strips - strip "0" is always set | |
893 | // conditional | |
894 | Int_t totrows; | |
895 | totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp(); | |
896 | Double_t *upar; | |
897 | upar=NULL; | |
898 | gGeoManager->Volume("TPC_Strip","PGON",m5->GetId(),upar); | |
899 | upar=new Double_t [10]; | |
900 | upar[0]=0.; | |
901 | upar[1]=360.; | |
902 | upar[2]=18.; | |
903 | upar[3]=2.; | |
904 | // | |
905 | upar[4]=-124.8; | |
906 | upar[7]=124.8; | |
907 | ||
908 | Double_t rlow=fTPCParam->GetPadRowRadiiLow(0); | |
909 | ||
910 | upar[5]=rlow; | |
911 | upar[6]=rlow+.01; | |
912 | upar[8]=upar[5]; | |
913 | upar[9]=upar[6]; | |
914 | // | |
915 | gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
916 | gGeoManager->Node("TPC_Strip",totrows+1, | |
917 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
918 | // | |
919 | // now, strips optionally | |
920 | // | |
921 | if(fSens){ | |
922 | //lower sectors | |
923 | for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){ | |
924 | rlow=fTPCParam->GetPadRowRadiiLow(i-1); | |
925 | upar[5]=rlow; | |
926 | upar[6]=rlow+.01; | |
927 | upar[8]=upar[5]; | |
928 | upar[9]=upar[6]; | |
929 | gGeoManager->Node("TPC_Strip",i, | |
930 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
931 | gGeoManager->Node("TPC_Strip",totrows+i, | |
932 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
933 | } | |
934 | //upper sectors | |
935 | for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){ | |
936 | rlow=fTPCParam->GetPadRowRadiiUp(i-1); | |
937 | upar[5]=rlow; | |
938 | upar[6]=rlow+.01; | |
939 | upar[8]=upar[5]; | |
940 | upar[9]=upar[6]; | |
941 | gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(), | |
942 | "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10); | |
943 | gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(), | |
944 | "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10); | |
945 | } | |
946 | }//strips | |
37831078 | 947 | //---------------------------------------------------------- |
0f788f87 | 948 | // TPC Support Rods - MAKROLON |
37831078 | 949 | //---------------------------------------------------------- |
c1637e41 | 950 | TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon"); |
951 | TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu"); | |
78134e48 | 952 | TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina"); |
953 | TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek"); | |
954 | TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water"); | |
0f788f87 | 955 | TGeoMedium *m13 = gGeoManager->GetMedium("TPC_Brass"); |
956 | // | |
957 | // tpc rod is an assembly of 10 long parts and 2 short parts | |
958 | // connected with alu rings and plagged on both sides. | |
79575d04 | 959 | // |
c1637e41 | 960 | // |
0f788f87 | 961 | // tpc rod long |
962 | // | |
963 | TGeoPcon *rod = new TGeoPcon("rod",0.,360.,6); | |
964 | rod->DefineSection(0,-10.43,1.92,2.08); | |
965 | rod->DefineSection(1,-9.75,1.92,2.08); | |
966 | ||
967 | rod->DefineSection(2,-9.75,1.8,2.2); | |
968 | rod->DefineSection(3,9.75,1.8,2.2); | |
969 | ||
970 | rod->DefineSection(4,9.75,1.92,2.08); | |
971 | rod->DefineSection(5,10.43,1.92,2.08); | |
972 | // | |
973 | TGeoVolume *mrodl = new TGeoVolume("TPC_mrodl",rod,m6); | |
974 | // | |
975 | // tpc rod short | |
976 | // | |
977 | TGeoPcon *rod1 = new TGeoPcon("rod1",0.,360.,6); | |
978 | rod1->DefineSection(0,-8.93,1.92,2.08); | |
979 | rod1->DefineSection(1,-8.25,1.92,2.08); | |
980 | ||
981 | rod1->DefineSection(2,-8.25,1.8,2.2); | |
982 | rod1->DefineSection(3,8.25,1.8,2.2); | |
983 | ||
984 | rod1->DefineSection(4,8.25,1.92,2.08); | |
985 | rod1->DefineSection(5,8.93,1.92,2.08); | |
986 | // | |
987 | TGeoVolume *mrods = new TGeoVolume("TPC_mrods",rod1,m6); | |
988 | // | |
989 | // below is for the resistor rod | |
990 | // | |
991 | // hole for the brass connectors | |
992 | // | |
993 | ||
994 | new TGeoTube("hhole",0.,0.3,0.3); | |
995 | // | |
996 | //transformations for holes - initialy they | |
997 | // are placed at x=0 and negative y | |
998 | // | |
999 | TGeoRotation *rhole = new TGeoRotation(); | |
1000 | rhole->RotateX(90.); | |
1001 | TGeoCombiTrans *transf[13]; | |
1002 | Char_t name[30]; | |
1003 | for(Int_t i=0;i<13;i++){ | |
1004 | sprintf(name,"transf%d",i); | |
1005 | transf[i]= new TGeoCombiTrans(name,0.,-2.,-9.+i*1.5,rhole); | |
1006 | transf[i]->RegisterYourself(); | |
1007 | } | |
1008 | // union expression for holes | |
1009 | TString operl("hhole:transf0"); | |
1010 | for (Int_t i=1;i<13;i++){ | |
1011 | sprintf(name,"+hhole:transf%d",i); | |
1012 | operl.Append(name); | |
1013 | } | |
78134e48 | 1014 | // |
0f788f87 | 1015 | TString opers("hhole:transf1"); |
1016 | for (Int_t i=2;i<12;i++){ | |
1017 | sprintf(name,"+hhole:transf%d",i); | |
1018 | opers.Append(name); | |
1019 | } | |
1020 | //union of holes | |
1021 | new TGeoCompositeShape("hlv",operl.Data()); | |
1022 | new TGeoCompositeShape("hsv",opers.Data()); | |
1023 | // | |
1024 | TGeoCompositeShape *rodl = new TGeoCompositeShape("rodl","rod-hlv"); | |
1025 | TGeoCompositeShape *rods = new TGeoCompositeShape("rods","rod1-hsv"); | |
1026 | //rods - volumes - makrolon rods with holes | |
1027 | TGeoVolume *rodlv = new TGeoVolume("TPC_rodl",rodl,m6); | |
1028 | TGeoVolume *rodsv = new TGeoVolume("TPC_rods",rods,m6); | |
1029 | //brass connectors | |
1030 | //connectors | |
1031 | TGeoTube *bcon = new TGeoTube(0.,0.3,0.3);//connectors | |
1032 | TGeoVolume *bconv = new TGeoVolume("TPC_bcon",bcon,m13); | |
1033 | // | |
1034 | // hooks holding strips | |
1035 | // | |
1036 | new TGeoBBox("hk1",0.625,0.015,0.75); | |
1037 | new TGeoBBox("hk2",0.625,0.015,0.15); | |
1038 | TGeoTranslation *tr21 = new TGeoTranslation("tr21",0.,-0.03,-0.6); | |
1039 | TGeoTranslation *tr12 = new TGeoTranslation("tr12",0.,-0.03,0.6); | |
1040 | tr21->RegisterYourself(); | |
1041 | tr12->RegisterYourself(); | |
1042 | ||
1043 | TGeoCompositeShape *hook = new TGeoCompositeShape("hook","hk1+hk2:tr21+hk2:tr12"); | |
1044 | TGeoVolume *hookv = new TGeoVolume("TPC_hook",hook,m13); | |
1045 | // | |
1046 | // assembly of the short rod with connectors and hooks | |
1047 | // | |
1048 | // | |
1049 | // short rod | |
1050 | // | |
1051 | TGeoVolumeAssembly *spart = new TGeoVolumeAssembly("TPC_spart"); | |
1052 | // | |
1053 | spart->AddNode( rodsv,1); | |
1054 | for(Int_t i=1;i<12;i++){ | |
1055 | spart->AddNode(bconv,i,transf[i]); | |
1056 | } | |
1057 | for(Int_t i =0;i<11;i++){ | |
ceb660a9 | 1058 | spart->AddNode(hookv,i+1,new TGeoTranslation(0.,-2.315,-7.5+i*1.5)); |
0f788f87 | 1059 | } |
1060 | // | |
1061 | // long rod | |
1062 | // | |
1063 | TGeoVolumeAssembly *lpart = new TGeoVolumeAssembly("TPC_lpart"); | |
1064 | // | |
1065 | lpart->AddNode( rodlv,1); | |
1066 | for(Int_t i=0;i<13;i++){ | |
ceb660a9 | 1067 | lpart->AddNode(bconv,i+12,transf[i]); |
0f788f87 | 1068 | } |
1069 | for(Int_t i =0;i<13;i++){ | |
ceb660a9 | 1070 | lpart->AddNode(hookv,i+12,new TGeoTranslation(0.,-2.315,-9.+i*1.5)); |
0f788f87 | 1071 | } |
1072 | // | |
1073 | // alu ring | |
1074 | // | |
1075 | new TGeoTube("ring1",2.1075,2.235,0.53); | |
1076 | new TGeoTube("ring2",1.7925,1.89,0.43); | |
1077 | new TGeoTube("ring3",1.89,2.1075,0.05); | |
1078 | TGeoCompositeShape *ring = new TGeoCompositeShape("ring","ring1+ring2+ring3"); | |
1079 | TGeoVolume *ringv = new TGeoVolume("TPC_ring",ring,m3); | |
1080 | // | |
1081 | // rod assembly | |
1082 | // | |
ceb660a9 | 1083 | TGeoVolumeAssembly *tpcrrod = new TGeoVolumeAssembly("TPC_rrod");//rrod |
0f788f87 | 1084 | TGeoVolumeAssembly *tpcmrod = new TGeoVolumeAssembly("TPC_mrod");//makrolon rod |
1085 | //long pieces | |
1086 | for(Int_t i=0;i<11;i++){ | |
ceb660a9 | 1087 | tpcrrod->AddNode(ringv,i+1,new TGeoTranslation(0.,0.,-105.+i*21)); |
0f788f87 | 1088 | tpcmrod->AddNode(ringv,i+12,new TGeoTranslation(0.,0.,-105.+i*21)); |
1089 | } | |
1090 | for(Int_t i=0;i<10;i++){ | |
ceb660a9 | 1091 | tpcrrod->AddNode(lpart,i+1,new TGeoTranslation(0.,0.,-94.5+i*21)); |
0f788f87 | 1092 | tpcmrod->AddNode(mrodl,i+1,new TGeoTranslation(0.,0.,-94.5+i*21)); |
1093 | } | |
78134e48 | 1094 | // |
0f788f87 | 1095 | // short pieces |
78134e48 | 1096 | // |
ceb660a9 | 1097 | tpcrrod->AddNode(spart,1,new TGeoTranslation(0.,0.,-114.)); |
1098 | tpcrrod->AddNode(spart,2,new TGeoTranslation(0.,0.,114.)); | |
1099 | tpcrrod->AddNode(ringv,23,new TGeoTranslation(0.,0.,-123.)); | |
1100 | tpcrrod->AddNode(ringv,24,new TGeoTranslation(0.,0.,123.)); | |
78134e48 | 1101 | // |
0f788f87 | 1102 | tpcmrod->AddNode(mrods,1,new TGeoTranslation(0.,0.,-114.)); |
1103 | tpcmrod->AddNode(mrods,2,new TGeoTranslation(0.,0.,114.)); | |
1104 | tpcmrod->AddNode(ringv,25,new TGeoTranslation(0.,0.,-123.)); | |
1105 | tpcmrod->AddNode(ringv,26,new TGeoTranslation(0.,0.,123.)); | |
1106 | // | |
1107 | // left plaque | |
78134e48 | 1108 | // |
0f788f87 | 1109 | TGeoPcon *lp = new TGeoPcon(0.,360.,4); |
78134e48 | 1110 | // |
0f788f87 | 1111 | lp->DefineSection(0,-125.8,1.92,2.235); |
1112 | lp->DefineSection(1,-124.8,1.92,2.235); | |
78134e48 | 1113 | // |
0f788f87 | 1114 | lp->DefineSection(2,-124.8,1.92,2.08); |
1115 | lp->DefineSection(3,-123.1,1.92,2.08); | |
78134e48 | 1116 | // |
0f788f87 | 1117 | TGeoVolume *lpv1 = new TGeoVolume("TPC_lpv1",lp,m6); |
1118 | TGeoVolume *lpv2 = new TGeoVolume("TPC_lpv2",lp,m6); | |
1119 | // left ring | |
1120 | TGeoTube *lr = new TGeoTube(2.1075,2.235,0.5); | |
1121 | TGeoVolume *lrv = new TGeoVolume("TPC_lrv",lr,m3); | |
78134e48 | 1122 | // |
0f788f87 | 1123 | lpv2->AddNode(lrv,1,new TGeoTranslation(0.,0.,-125.3)); |
78134e48 | 1124 | // |
ceb660a9 | 1125 | tpcrrod->AddNode(lpv2,1); |
0f788f87 | 1126 | tpcmrod->AddNode(lpv1,1); |
78134e48 | 1127 | // |
0f788f87 | 1128 | // right plaque |
78134e48 | 1129 | // |
f1447ab6 | 1130 | TGeoTube *rp = new TGeoTube(1.92,2.08,2.025); |
0f788f87 | 1131 | TGeoVolume *rpv = new TGeoVolume("TPC_rpv",rp,m6); |
f1447ab6 | 1132 | tpcrrod->AddNode(rpv,1, new TGeoTranslation(0.,0.,125.125)); |
1133 | tpcmrod->AddNode(rpv,2,new TGeoTranslation(0.,0.,125.125)); | |
78134e48 | 1134 | // |
a3d2be59 | 1135 | // |
0f788f87 | 1136 | //HV rods - makrolon + 0.58cm (diameter) Cu |
1137 | TGeoTube *hvr = new TGeoTube(0.,1.465,126.7); | |
1138 | TGeoTube *hvc = new TGeoTube(0.,0.29,126.7); | |
1139 | // | |
1140 | TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6); | |
1141 | TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7); | |
1142 | hvrv->AddNode(hvcv,1); | |
78134e48 | 1143 | // |
0f788f87 | 1144 | //resistor rod |
1145 | // | |
ceb660a9 | 1146 | TGeoTube *cr = new TGeoTube(0.,0.45,126.2); |
1147 | TGeoTube *cw = new TGeoTube(0.,0.15,126.2); | |
0f788f87 | 1148 | TGeoVolume *crv = new TGeoVolume("TPC_CR",cr,m10); |
ceb660a9 | 1149 | TGeoVolume *cwv = new TGeoVolume("TPC_W",cw,m12); |
0f788f87 | 1150 | // |
1151 | // ceramic rod with water | |
1152 | // | |
1153 | crv->AddNode(cwv,1); | |
1154 | // | |
1155 | //peek rod | |
1156 | // | |
ceb660a9 | 1157 | TGeoTube *pr =new TGeoTube(0.2,0.35,126.2); |
1158 | TGeoVolume *prv = new TGeoVolume("TPC_PR",pr,m11); | |
0f788f87 | 1159 | // |
1160 | // copper plates with connectors | |
1161 | // | |
1162 | new TGeoTube("tub",0.,1.7,0.025); | |
1163 | // | |
1164 | // half space - points on the plane and a normal vector | |
1165 | // | |
1166 | Double_t n[3],p[3]; | |
1167 | Double_t slope = TMath::Tan(22.*TMath::DegToRad()); | |
1168 | Double_t intp = 1.245; | |
1169 | // | |
1170 | Double_t b = slope*slope+1.; | |
1171 | p[0]=intp*slope/b; | |
1172 | p[1]=-intp/b; | |
1173 | p[2]=0.; | |
1174 | // | |
1175 | n[0]=-p[0]; | |
1176 | n[1]=-p[1]; | |
1177 | n[2]=0.; | |
1178 | Double_t norm; | |
1179 | norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]); | |
1180 | n[0] /= norm; | |
1181 | n[1] /=norm; | |
1182 | // | |
1183 | new TGeoHalfSpace("sp1",p,n); | |
1184 | // | |
1185 | slope = -slope; | |
1186 | // | |
1187 | p[0]=intp*slope/b; | |
1188 | p[1]=-intp/b; | |
1189 | // | |
1190 | n[0]=-p[0]; | |
1191 | n[1]=-p[1]; | |
1192 | norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]); | |
1193 | n[0] /= norm; | |
1194 | n[1] /=norm; | |
1195 | // | |
1196 | new TGeoHalfSpace("sp2",p,n); | |
1197 | // holes for rods | |
1198 | //holes | |
1199 | new TGeoTube("h1",0.,0.5,0.025); | |
1200 | new TGeoTube("h2",0.,0.35,0.025); | |
1201 | //translations: | |
1202 | TGeoTranslation *ttr11 = new TGeoTranslation("ttr11",-0.866,0.5,0.); | |
1203 | TGeoTranslation *ttr22 = new TGeoTranslation("ttr22",0.866,0.5,0.); | |
1204 | ttr11->RegisterYourself(); | |
1205 | ttr22->RegisterYourself(); | |
1206 | // elastic connector | |
1207 | new TGeoBBox("elcon",0.72,0.005,0.3); | |
1208 | TGeoRotation *crr1 = new TGeoRotation(); | |
1209 | crr1->RotateZ(-22.); | |
1210 | TGeoCombiTrans *ctr1 = new TGeoCombiTrans("ctr1",-0.36011, -1.09951,-0.325,crr1); | |
1211 | ctr1->RegisterYourself(); | |
1212 | TGeoCompositeShape *cs1 = new TGeoCompositeShape("cs1", | |
1213 | "(((((tub-h1:ttr11)-h1:ttr22)-sp1)-sp2)-h2)+elcon:ctr1"); | |
1214 | // | |
1215 | TGeoVolume *csvv = new TGeoVolume("TPC_RR_CU",cs1,m7); | |
1216 | // | |
1217 | // resistor rod assembly 2 ceramic rods, peak rod, Cu plates | |
1218 | // and resistors | |
1219 | // | |
ceb660a9 | 1220 | TGeoVolumeAssembly *rrod = new TGeoVolumeAssembly("TPC_RRIN"); |
0f788f87 | 1221 | // rods |
1222 | rrod->AddNode(crv,1,ttr11); | |
1223 | rrod->AddNode(crv,2,ttr22); | |
1224 | rrod->AddNode(prv,1); | |
1225 | //Cu plates | |
1226 | for(Int_t i=0;i<165;i++){ | |
1227 | rrod->AddNode(csvv,i+1,new TGeoTranslation(0.,0.,-122.675+i*1.5)); | |
1228 | } | |
1229 | //resistors | |
1230 | TGeoTube *res = new TGeoTube(0.,0.15,0.5); | |
1231 | TGeoVolume *resv = new TGeoVolume("TPC_RES",res,m10); | |
1232 | TGeoVolumeAssembly *ress = new TGeoVolumeAssembly("TPC_RES_CH"); | |
1233 | ress->AddNode(resv,1,new TGeoTranslation(0.2,0.,0.)); | |
1234 | ress->AddNode(resv,2,new TGeoTranslation(-0.2,0.,0.)); | |
1235 | // | |
1236 | TGeoRotation *crr2 = new TGeoRotation(); | |
1237 | crr2->RotateY(30.); | |
1238 | TGeoRotation *crr3 = new TGeoRotation(); | |
1239 | crr3->RotateY(-30.); | |
1240 | // | |
1241 | for(Int_t i=0;i<164;i+=2){ | |
1242 | rrod->AddNode(ress,i+1, new TGeoCombiTrans(0.,1.2,-121.925+i*1.5,crr2)); | |
1243 | rrod->AddNode(ress,i+2, new TGeoCombiTrans(0.,1.2,-121.925+(i+1)*1.5,crr3)); | |
1244 | } | |
ceb660a9 | 1245 | |
d00b3fc6 | 1246 | tpcrrod->AddNode(rrod,1,new TGeoCombiTrans(0.,0.,0.5,crr1)); |
7f96259a | 1247 | // |
1248 | // guard ring resistor chain | |
1249 | // | |
232c5b28 | 1250 | |
1251 | TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc | |
7f96259a | 1252 | // |
1253 | TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m10); | |
232c5b28 | 1254 | |
7f96259a | 1255 | // |
1256 | Double_t xrc,yrc; | |
1257 | // | |
7f96259a | 1258 | xrc=79.3*TMath::Cos(350.*TMath::DegToRad()); |
1259 | yrc=79.3*TMath::Sin(350.*TMath::DegToRad()); | |
1260 | // | |
232c5b28 | 1261 | v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9)); |
1262 | v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9)); | |
1263 | // | |
1264 | xrc=79.3*TMath::Cos(170.*TMath::DegToRad()); | |
1265 | yrc=79.3*TMath::Sin(170.*TMath::DegToRad()); | |
1266 | // | |
1267 | v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9)); | |
1268 | v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9)); | |
0f788f87 | 1269 | //------------------------------------------------------------------ |
1270 | TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.); | |
1271 | TGeoRotation rotrod("rotrod"); | |
0f788f87 | 1272 | // |
2d1d58a6 | 1273 | TGeoRotation *rotpos[2]; |
1274 | // | |
1275 | TGeoRotation *rotrod1[2]; | |
0f788f87 | 1276 | |
1277 | //v9 - drift gas | |
1278 | ||
7281dc07 | 1279 | for(Int_t i=0;i<18;i++){ |
c1637e41 | 1280 | Double_t angle,x,y; |
1281 | Double_t z,r; | |
1282 | angle=TMath::DegToRad()*20.*(Double_t)i; | |
0f788f87 | 1283 | //inner rods |
c1637e41 | 1284 | r=81.5; |
1285 | x=r * TMath::Cos(angle); | |
1286 | y=r * TMath::Sin(angle); | |
0f788f87 | 1287 | z = 126.; |
78134e48 | 1288 | // |
0f788f87 | 1289 | if(i==11){//resistor rod inner |
1290 | rotrod.RotateZ(-90.+angle); | |
2d1d58a6 | 1291 | rotrod1[0]= new TGeoRotation(); |
1292 | rotpos[0]= new TGeoRotation(); | |
1293 | // | |
1294 | rotrod1[0]->RotateZ(-90.+angle); | |
1295 | *rotpos[0] = refl*rotrod; //rotation+reflection | |
ceb660a9 | 1296 | v9->AddNode(tpcrrod,1,new TGeoCombiTrans(x,y, z, rotrod1[0])); //A |
1297 | v9->AddNode(tpcrrod,2,new TGeoCombiTrans(x,y,-z, rotpos[0])); //C | |
78134e48 | 1298 | } |
1299 | else { | |
0f788f87 | 1300 | v9->AddNode(tpcmrod,i+1,new TGeoTranslation(x,y,z));//shaft |
1301 | v9->AddNode(tpcmrod,i+19,new TGeoCombiTrans(x,y,-z,ref));//muon | |
c1637e41 | 1302 | } |
0f788f87 | 1303 | // outer rods |
c1637e41 | 1304 | r=254.25; |
1305 | x=r * TMath::Cos(angle); | |
1306 | y=r * TMath::Sin(angle); | |
0f788f87 | 1307 | z=126.; |
78134e48 | 1308 | // |
0f788f87 | 1309 | if(i==3){//resistor rod outer |
1310 | rotrod.RotateZ(90.+angle); | |
2d1d58a6 | 1311 | rotrod1[1]= new TGeoRotation(); |
1312 | rotpos[1]= new TGeoRotation(); | |
1313 | rotrod1[1]->RotateZ(90.+angle); | |
1314 | *rotpos[1] = refl*rotrod;//rotation+reflection | |
ceb660a9 | 1315 | v9->AddNode(tpcrrod,3,new TGeoCombiTrans(x,y, z, rotrod1[1])); //A |
1316 | v9->AddNode(tpcrrod,4,new TGeoCombiTrans(x,y, -z, rotpos[1])); //C | |
78134e48 | 1317 | } |
0f788f87 | 1318 | else { |
1319 | v9->AddNode(tpcmrod,i+37,new TGeoTranslation(x,y,z));//shaft | |
1320 | v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon | |
78134e48 | 1321 | } |
0f788f87 | 1322 | if(i==15){ |
1323 | v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z)); //hv->A-side only | |
78134e48 | 1324 | } |
0f788f87 | 1325 | } //end of rods positioning |
69776907 | 1326 | |
bde68ab0 | 1327 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); |
1328 | alice->AddNode(v1,1); | |
c1637e41 | 1329 | |
37831078 | 1330 | } // end of function |
1331 | ||
ac81c411 | 1332 | //_____________________________________________________________________________ |
1333 | void AliTPCv2::AddAlignableVolumes() const | |
1334 | { | |
1335 | // | |
1336 | // Create entries for alignable volumes associating the symbolic volume | |
1337 | // name with the corresponding volume path. Needs to be syncronized with | |
1338 | // eventual changes in the geometry. | |
1339 | // | |
1340 | SetInnerChambersAlignable(); | |
1341 | SetOuterChambersAlignable(); | |
1342 | } | |
1343 | ||
1344 | //_____________________________________________________________________________ | |
1345 | void AliTPCv2::SetInnerChambersAlignable() const | |
1346 | { | |
1347 | // | |
cdf69b9a | 1348 | AliGeomManager::ELayerID idTPC1 = AliGeomManager::kTPC1; |
1349 | Int_t modUID, modnum = 0; | |
d899e254 | 1350 | TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_"; |
1351 | TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_"; | |
1352 | TString vpappend = "/TPC_IROC_1"; | |
1353 | TString snstr1="TPC/EndcapA/Sector"; | |
1354 | TString snstr2="TPC/EndcapC/Sector"; | |
1355 | TString snappend="/InnerChamber"; | |
ac81c411 | 1356 | TString volpath, symname; |
1357 | ||
1ac29fc4 | 1358 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 1359 | modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++); |
1ac29fc4 | 1360 | volpath = vpstr1; |
1361 | volpath += cnt; | |
1362 | volpath += vpappend; | |
1363 | symname = snstr1; | |
1364 | symname += cnt; | |
1365 | symname += snappend; | |
cdf69b9a | 1366 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1367 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1368 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1369 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1370 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1); |
1371 | alignableEntry->SetMatrix(matTtoL); | |
1ac29fc4 | 1372 | } |
65293f49 | 1373 | |
ac81c411 | 1374 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 1375 | modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++); |
d899e254 | 1376 | volpath = vpstr2; |
ac81c411 | 1377 | volpath += cnt; |
d899e254 | 1378 | volpath += vpappend; |
1379 | symname = snstr2; | |
ac81c411 | 1380 | symname += cnt; |
d899e254 | 1381 | symname += snappend; |
cdf69b9a | 1382 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1383 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1384 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1385 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1386 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1); |
1387 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 1388 | } |
1389 | } | |
1390 | ||
ac81c411 | 1391 | //_____________________________________________________________________________ |
1392 | void AliTPCv2::SetOuterChambersAlignable() const | |
1393 | { | |
1394 | // | |
cdf69b9a | 1395 | AliGeomManager::ELayerID idTPC2 = AliGeomManager::kTPC2; |
1396 | Int_t modUID, modnum = 0; | |
d899e254 | 1397 | TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_"; |
1398 | TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_"; | |
1399 | TString vpappend = "/TPC_OROC_1"; | |
1400 | TString snstr1="TPC/EndcapA/Sector"; | |
1401 | TString snstr2="TPC/EndcapC/Sector"; | |
1402 | TString snappend="/OuterChamber"; | |
ac81c411 | 1403 | TString volpath, symname; |
1404 | ||
1405 | for(Int_t cnt=1; cnt<=18; cnt++){ | |
cdf69b9a | 1406 | modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++); |
d899e254 | 1407 | volpath = vpstr1; |
ac81c411 | 1408 | volpath += cnt; |
d899e254 | 1409 | volpath += vpappend; |
1410 | symname = snstr1; | |
ac81c411 | 1411 | symname += cnt; |
d899e254 | 1412 | symname += snappend; |
cdf69b9a | 1413 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1414 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1415 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1416 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1417 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1); |
1418 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 1419 | } |
84cbbd90 | 1420 | |
ac81c411 | 1421 | for(Int_t cnt=1; cnt<=18; cnt++){ |
cdf69b9a | 1422 | modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++); |
d899e254 | 1423 | volpath = vpstr2; |
ac81c411 | 1424 | volpath += cnt; |
d899e254 | 1425 | volpath += vpappend; |
1426 | symname = snstr2; | |
ac81c411 | 1427 | symname += cnt; |
d899e254 | 1428 | symname += snappend; |
cdf69b9a | 1429 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID)) |
84cbbd90 | 1430 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); |
cdf69b9a | 1431 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID); |
1432 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
1ac29fc4 | 1433 | TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1); |
1434 | alignableEntry->SetMatrix(matTtoL); | |
ac81c411 | 1435 | } |
1436 | } | |
1437 | ||
37831078 | 1438 | //_____________________________________________________________________________ |
d899e254 | 1439 | void AliTPCv2::DrawDetector() const |
37831078 | 1440 | { |
1441 | // | |
1442 | // Draw a shaded view of the Time Projection Chamber version 1 | |
1443 | // | |
1444 | ||
1445 | // Set everything unseen | |
1446 | gMC->Gsatt("*", "seen", -1); | |
1447 | // | |
1448 | // Set ALIC mother transparent | |
1449 | gMC->Gsatt("ALIC","SEEN",0); | |
1450 | // | |
1451 | // Set the volumes visible | |
1452 | // | |
1453 | ||
1454 | gMC->Gsatt("TPC ","SEEN",0); | |
1455 | gMC->Gsatt("TOIN","SEEN",1); | |
1456 | gMC->Gsatt("TOIN","COLO",7); | |
37831078 | 1457 | gMC->Gsatt("TOCV","SEEN",1); |
1458 | gMC->Gsatt("TOCV","COLO",4); | |
1459 | gMC->Gsatt("TSA1","SEEN",0); | |
1460 | gMC->Gsatt("TSA2","SEEN",0); | |
1461 | gMC->Gsatt("TSA3","SEEN",0); | |
79575d04 | 1462 | gMC->Gsatt("TSA4","SEEN",0); |
1463 | gMC->Gsatt("TSA5","SEEN",0); | |
37831078 | 1464 | gMC->Gsatt("TOFC","SEEN",1); |
1465 | gMC->Gsatt("TOFC","COLO",4); | |
37831078 | 1466 | gMC->Gsatt("TSA6","SEEN",0); |
1467 | gMC->Gsatt("TSA7","SEEN",0); | |
79575d04 | 1468 | gMC->Gsatt("TSA8","SEEN",0); |
37831078 | 1469 | gMC->Gsatt("TIIN","SEEN",1); |
79575d04 | 1470 | gMC->Gsatt("TIIN","COLO",7); |
1471 | gMC->Gsatt("TII1","SEEN",0); | |
1472 | gMC->Gsatt("TIFC","SEEN",1); | |
1473 | gMC->Gsatt("TIFC","COLO",4); | |
1474 | gMC->Gsatt("TSA9","SEEN",0); | |
37831078 | 1475 | gMC->Gsatt("TS10","SEEN",0); |
1476 | gMC->Gsatt("TS11","SEEN",0); | |
1477 | gMC->Gsatt("TS12","SEEN",0); | |
37831078 | 1478 | gMC->Gsatt("TS13","SEEN",0); |
1479 | gMC->Gsatt("TS14","SEEN",0); | |
79575d04 | 1480 | gMC->Gsatt("TICC","SEEN",0); |
1481 | gMC->Gsatt("TICM","SEEN",0); | |
37831078 | 1482 | gMC->Gsatt("TS15","SEEN",0); |
1483 | gMC->Gsatt("TS16","SEEN",0); | |
37831078 | 1484 | gMC->Gsatt("TS17","SEEN",0); |
79575d04 | 1485 | gMC->Gsatt("TS18","SEEN",0); |
1486 | gMC->Gsatt("TS19","SEEN",0); | |
1487 | gMC->Gsatt("TPJ1","SEEN",0); | |
1488 | gMC->Gsatt("TPJ2","SEEN",0); | |
1489 | gMC->Gsatt("TICS","SEEN",0); | |
1490 | gMC->Gsatt("TDGN","SEEN",0); | |
37831078 | 1491 | gMC->Gsatt("TIRC","SEEN",0); |
1492 | gMC->Gsatt("TIC1","SEEN",1); | |
1493 | gMC->Gsatt("TIPP","SEEN",0); | |
1494 | gMC->Gsatt("TIC3","SEEN",0); | |
1495 | gMC->Gsatt("TRCE","SEEN",0); | |
1496 | gMC->Gsatt("TPSC","SEEN",0); | |
79575d04 | 1497 | gMC->Gsatt("TPCC","SEEN",0); |
37831078 | 1498 | gMC->Gsatt("TORC","SEEN",0); |
1499 | gMC->Gsatt("TOPP","SEEN",0); | |
1500 | gMC->Gsatt("TOC3","SEEN",0); | |
1501 | gMC->Gsatt("TOC1","SEEN",1); | |
1502 | gMC->Gsatt("TSSW","SEEN",1); | |
1503 | gMC->Gsatt("TSWC","SEEN",1); | |
37831078 | 1504 | gMC->Gsatt("TSSW","COLO",3); |
1505 | gMC->Gsatt("TSWC","COLO",3); | |
1506 | gMC->Gsatt("TSCE","COLO",6); | |
79575d04 | 1507 | gMC->Gsatt("TSCE","SEEN",1); |
37831078 | 1508 | gMC->Gsatt("TWES","SEEN",0); |
1509 | gMC->Gsatt("TSWB","SEEN",0); | |
1510 | gMC->Gsatt("TPEL","SEEN",0); | |
1511 | gMC->Gsatt("TPMW","SEEN",1); | |
37831078 | 1512 | gMC->Gsatt("TESR","SEEN",1); |
1513 | gMC->Gsatt("TPMW","COLO",12); | |
37831078 | 1514 | gMC->Gsatt("TIC1","COLO",5); |
79575d04 | 1515 | gMC->Gsatt("TOC1","COLO",5); |
37831078 | 1516 | gMC->Gsatt("TESB","SEEN",0); |
37831078 | 1517 | gMC->Gsatt("THVM","SEEN",1); |
1518 | gMC->Gsatt("THVM","COLO",11); | |
79575d04 | 1519 | gMC->Gsatt("THVH","SEEN",0); |
1520 | gMC->Gsatt("TPSR","SEEN",0); | |
37831078 | 1521 | gMC->Gsatt("THVL","SEEN",0); |
79575d04 | 1522 | gMC->Gsatt("THVC","SEEN",0); |
37831078 | 1523 | gMC->Gsatt("THVE","SEEN",0); |
1524 | gMC->Gsatt("THVR","SEEN",0); | |
79575d04 | 1525 | gMC->Gsatt("TPSS","SEEN",0); |
1526 | gMC->Gsatt("TPUS","SEEN",0); | |
1527 | gMC->Gsatt("TPLS","SEEN",0); | |
37831078 | 1528 | |
1529 | // | |
1530 | gMC->Gdopt("hide", "on"); | |
1531 | gMC->Gdopt("shad", "on"); | |
1532 | gMC->Gsatt("*", "fill", 7); | |
1533 | gMC->SetClipBox("."); | |
1534 | gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.); | |
1535 | gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.); | |
1536 | gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.); | |
1537 | gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.); | |
1538 | gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290); | |
1539 | gMC->DefaultRange(); | |
1540 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025); | |
1541 | gMC->Gdhead(1111, "Time Projection Chamber"); | |
1542 | gMC->Gdman(18, 4, "MAN"); | |
1543 | gMC->Gdopt("hide","off"); | |
1544 | } | |
1545 | ||
1546 | //_____________________________________________________________________________ | |
1547 | void AliTPCv2::CreateMaterials() | |
1548 | { | |
1549 | // | |
1550 | // Define materials for version 2 of the Time Projection Chamber | |
1551 | // | |
1552 | ||
1553 | AliTPC::CreateMaterials(); | |
1554 | } | |
1555 | ||
1556 | //_____________________________________________________________________________ | |
1557 | void AliTPCv2::Init() | |
1558 | { | |
1559 | // | |
1560 | // Initialises version 2 of the TPC after that it has been built | |
1561 | // | |
1562 | ||
1563 | Int_t *idtmed = fIdtmed->GetArray(); | |
1564 | ||
1565 | AliTPC::Init(); | |
d4c354b9 | 1566 | |
c1637e41 | 1567 | |
1568 | fIdSens=gMC->VolId("TPC_Strip"); // one strip is always selected... | |
d4c354b9 | 1569 | |
c1637e41 | 1570 | fIDrift=gMC->VolId("TPC_Drift"); |
1571 | fSecOld=-100; // fake number | |
37831078 | 1572 | |
d9888f70 | 1573 | gMC->SetMaxNStep(-30000); // max. number of steps increased |
37831078 | 1574 | |
4481461d | 1575 | if (fPrimaryIonisation) { |
1576 | gMC->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential | |
1577 | ||
1578 | gMC->Gstpar(idtmed[2],"PRIMIO_N", 14.35); | |
1579 | gMC->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss | |
8143dfb2 | 1580 | gMC->Gstpar(idtmed[2],"STRA",4); |
4481461d | 1581 | } else { |
1582 | gMC->Gstpar(idtmed[2],"LOSS", 5); // specific energy loss | |
1583 | } | |
1584 | ||
37831078 | 1585 | |
a9d15241 | 1586 | AliDebug(1,"*** TPC version 2 initialized ***"); |
1587 | AliDebug(1,Form("Maximum number of steps = %d",gMC->GetMaxNStep())); | |
37831078 | 1588 | |
1589 | // | |
fe4da5cc | 1590 | |
1591 | } | |
1592 | ||
1593 | //_____________________________________________________________________________ | |
1594 | void AliTPCv2::StepManager() | |
1595 | { | |
1596 | // | |
1597 | // Called for every step in the Time Projection Chamber | |
1598 | // | |
1599 | ||
1600 | // | |
1601 | // parameters used for the energy loss calculations | |
1602 | // | |
73042f01 | 1603 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1604 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1605 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
ec6ac410 | 1606 | const Int_t kMaxDistRef =15; // maximal difference between 2 stored references |
fe4da5cc | 1607 | |
73042f01 | 1608 | const Float_t kbig = 1.e10; |
fe4da5cc | 1609 | |
1610 | Int_t id,copy; | |
e61fd20d | 1611 | Float_t hits[5]; |
fe4da5cc | 1612 | Int_t vol[2]; |
37831078 | 1613 | TLorentzVector p; |
fe4da5cc | 1614 | |
37831078 | 1615 | vol[1]=0; // preset row number to 0 |
fe4da5cc | 1616 | // |
b97617a6 | 1617 | if (fPrimaryIonisation) gMC->SetMaxStep(kbig); |
fe4da5cc | 1618 | |
0a6d8768 | 1619 | if(!gMC->IsTrackAlive()) return; // particle has disappeared |
fe4da5cc | 1620 | |
cfce8870 | 1621 | Float_t charge = gMC->TrackCharge(); |
fe4da5cc | 1622 | |
1623 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1624 | ||
37831078 | 1625 | // check the sensitive volume |
1626 | ||
c1637e41 | 1627 | id = gMC->CurrentVolID(copy); // vol ID and copy number (starts from 1!) |
1628 | if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume | |
da33556f | 1629 | |
c1637e41 | 1630 | gMC->TrackPosition(p); |
1631 | Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1632 | // | |
1633 | ||
1634 | // | |
1635 | Double_t angle = TMath::ACos(p[0]/r); | |
1636 | angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle; | |
1637 | // | |
1638 | // angular segment, it is not a real sector number... | |
1639 | // | |
1640 | Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/ | |
1641 | fTPCParam->GetInnerAngle()); | |
1642 | // rotate to segment "0" | |
1643 | Float_t cos,sin; | |
1644 | fTPCParam->AdjustCosSin(sector,cos,sin); | |
1645 | Float_t x1=p[0]*cos + p[1]*sin; | |
1646 | // check if within sector's limits | |
5bd5dbc4 | 1647 | if((x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp()) |
1648 | ||(x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp())){ | |
c1637e41 | 1649 | // calculate real sector number... |
1650 | if (x1>fTPCParam->GetOuterRadiusLow()){ | |
1651 | sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/ | |
1652 | fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector(); | |
1653 | if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1); | |
37831078 | 1654 | } |
c1637e41 | 1655 | else |
1656 | if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1); | |
1657 | // | |
1658 | // here I have a sector number | |
1659 | // | |
37831078 | 1660 | |
c1637e41 | 1661 | vol[0]=sector; |
ec6ac410 | 1662 | |
1663 | static Double_t lastReferenceR=0; | |
1664 | if (TMath::Abs(lastReferenceR-r)>kMaxDistRef){ | |
1665 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC); | |
1666 | lastReferenceR = r; | |
1667 | } | |
1668 | ||
c1637e41 | 1669 | // check if change of sector |
1670 | if(sector != fSecOld){ | |
1671 | fSecOld=sector; | |
1672 | // add track reference | |
e6add757 | 1673 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC); |
c1637e41 | 1674 | } |
1675 | // track is in the sensitive strip | |
1676 | if(id == fIdSens){ | |
1677 | // track is entering the strip | |
1678 | if (gMC->IsTrackEntering()){ | |
1679 | Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp(); | |
1680 | vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows; | |
1681 | // row numbers are autonomous for lower and upper sectors | |
1682 | if(vol[0] > fTPCParam->GetNInnerSector()) { | |
1683 | vol[1] -= fTPCParam->GetNRowLow(); | |
1684 | } | |
1685 | // | |
1686 | if(vol[0]<fTPCParam->GetNInnerSector()&&vol[1] == 0){ | |
37831078 | 1687 | |
c1637e41 | 1688 | // lower sector, row 0, because Jouri wants to have this |
37831078 | 1689 | |
c1637e41 | 1690 | gMC->TrackMomentum(p); |
1691 | hits[0]=p[0]; | |
1692 | hits[1]=p[1]; | |
1693 | hits[2]=p[2]; | |
1694 | hits[3]=0.; // this hit has no energy loss | |
1695 | // Get also the track time for pileup simulation | |
1696 | hits[4]=gMC->TrackTime(); | |
6a905708 | 1697 | |
c1637e41 | 1698 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); |
1699 | } | |
1700 | // | |
e61fd20d | 1701 | |
c1637e41 | 1702 | gMC->TrackPosition(p); |
1703 | hits[0]=p[0]; | |
1704 | hits[1]=p[1]; | |
1705 | hits[2]=p[2]; | |
1706 | hits[3]=0.; // this hit has no energy loss | |
1707 | // Get also the track time for pileup simulation | |
1708 | hits[4]=gMC->TrackTime(); | |
930ee558 | 1709 | |
c1637e41 | 1710 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); |
37831078 | 1711 | |
c1637e41 | 1712 | } |
1713 | else return; | |
1714 | } | |
37831078 | 1715 | //----------------------------------------------------------------- |
c1637e41 | 1716 | // charged particle is in the sensitive drift volume |
37831078 | 1717 | //----------------------------------------------------------------- |
cfce8870 | 1718 | if(gMC->TrackStep() > 0) { |
b97617a6 | 1719 | Int_t nel=0; |
1720 | if (!fPrimaryIonisation) { | |
1721 | nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; | |
1722 | } | |
1723 | else { | |
1724 | Float_t edep = gMC->Edep(); | |
1725 | if (edep > 0.) nel = (Int_t)((gMC->Edep()*1.5)/kwIon) + 1; | |
1726 | } | |
fe4da5cc | 1727 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
c1637e41 | 1728 | // |
37831078 | 1729 | gMC->TrackPosition(p); |
1730 | hits[0]=p[0]; | |
1731 | hits[1]=p[1]; | |
1732 | hits[2]=p[2]; | |
fe4da5cc | 1733 | hits[3]=(Float_t)nel; |
c1637e41 | 1734 | |
fe4da5cc | 1735 | // Add this hit |
c1637e41 | 1736 | |
6a905708 | 1737 | if (fHitType&&2){ |
1738 | gMC->TrackMomentum(p); | |
1739 | Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1740 | Float_t precision = (momentum>0.1) ? 0.002 :0.01; | |
1741 | fTrackHits->SetHitPrecision(precision); | |
1742 | } | |
e61fd20d | 1743 | |
1744 | // Get also the track time for pileup simulation | |
1745 | hits[4]=gMC->TrackTime(); | |
c1637e41 | 1746 | |
1747 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); | |
e61fd20d | 1748 | |
c1637e41 | 1749 | } // step>0 |
1750 | } //within sector's limits | |
fe4da5cc | 1751 | // Stemax calculation for the next step |
1752 | ||
1753 | Float_t pp; | |
0a6d8768 | 1754 | TLorentzVector mom; |
b97617a6 | 1755 | // below is valid only for Geant3 (fPromaryIonisation not set) |
1756 | if(!fPrimaryIonisation){ | |
1757 | gMC->TrackMomentum(mom); | |
1758 | Float_t ptot=mom.Rho(); | |
1759 | Float_t betaGamma = ptot/gMC->TrackMass(); | |
595bf2c3 | 1760 | |
b97617a6 | 1761 | Int_t pid=gMC->TrackPid(); |
1762 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) | |
1763 | { | |
1764 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! | |
1765 | } | |
1766 | else | |
1767 | { | |
1768 | ||
1769 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg | |
b40afa5e | 1770 | pp=kprim*AliMathBase::BetheBlochAleph(betaGamma); |
595bf2c3 | 1771 | |
fe4da5cc | 1772 | } |
1773 | ||
b97617a6 | 1774 | Double_t rnd = gMC->GetRandom()->Rndm(); |
fe4da5cc | 1775 | |
b97617a6 | 1776 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); |
1777 | } | |
c1637e41 | 1778 | |
fe4da5cc | 1779 | } |
1780 | ||
73042f01 | 1781 |