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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 | /* $Id$ */ |
73042f01 | 17 | // |
4c039060 | 18 | |
fe4da5cc | 19 | /////////////////////////////////////////////////////////////////////////////// |
20 | // // | |
21 | // Time Projection Chamber version 0 -- "coarse" TPC // | |
22 | // // | |
23 | //Begin_Html | |
24 | /* | |
1439f98e | 25 | <img src="picts/AliTPCv0Class.gif"> |
fe4da5cc | 26 | */ |
27 | //End_Html | |
28 | // // | |
29 | // // | |
30 | /////////////////////////////////////////////////////////////////////////////// | |
31 | ||
88cb7938 | 32 | #include <Riostream.h> |
33 | ||
88cb7938 | 34 | #include <TMath.h> |
88cb7938 | 35 | #include <TVirtualMC.h> |
d9e80aca | 36 | #include <TString.h> |
37 | #include <TSystem.h> | |
fe4da5cc | 38 | |
88cb7938 | 39 | #include "AliConst.h" |
40 | #include "AliRun.h" | |
cc80f89e | 41 | #include "AliTPCDigitsArray.h" |
88cb7938 | 42 | #include "AliTPCParamSR.h" |
43 | #include "AliTPCv0.h" | |
c1637e41 | 44 | #include "TGeoManager.h" |
45 | #include "TGeoVolume.h" | |
46 | #include "TGeoPcon.h" | |
47 | #include "TGeoTube.h" | |
48 | #include "TGeoPgon.h" | |
49 | #include "TGeoTrd1.h" | |
50 | #include "TGeoCompositeShape.h" | |
51 | #include "TGeoPara.h" | |
fe4da5cc | 52 | ClassImp(AliTPCv0) |
53 | ||
54 | //_____________________________________________________________________________ | |
55 | AliTPCv0::AliTPCv0(const char *name, const char *title) | |
56 | :AliTPC(name, title) | |
57 | { | |
58 | // | |
59 | // Standard creator for TPC version 0 | |
60 | // | |
73042f01 | 61 | |
73042f01 | 62 | |
63 | if (fTPCParam) | |
64 | fTPCParam->Write(fTPCParam->GetTitle()); | |
fe4da5cc | 65 | } |
66 | ||
67 | //_____________________________________________________________________________ | |
68 | void AliTPCv0::CreateGeometry() | |
69 | { | |
79575d04 | 70 | |
fe4da5cc | 71 | // |
37831078 | 72 | // Creation of the TPC version 0, i.e. no sensitive volumes, |
73 | // only the material distribution | |
fe4da5cc | 74 | // |
75 | //Begin_Html | |
76 | /* | |
37831078 | 77 | <img src="picts/AliTPC.gif"> |
fe4da5cc | 78 | */ |
79 | //End_Html | |
80 | //Begin_Html | |
81 | /* | |
1439f98e | 82 | <img src="picts/AliTPCv0Tree.gif"> |
fe4da5cc | 83 | */ |
84 | //End_Html | |
85 | ||
c1637e41 | 86 | //---------------------------------------------------------- |
87 | // This geometry is written using TGeo class | |
88 | // Firstly the shapes are defined, and only then the volumes | |
89 | // What is recognized by the MC are volumes | |
90 | //---------------------------------------------------------- | |
91 | // | |
92 | // tpc - this will be the mother volume | |
37831078 | 93 | // |
1283eee5 | 94 | |
37831078 | 95 | // |
c1637e41 | 96 | // here I define a volume TPC |
97 | // retrive the medium name with "TPC_" as a leading string | |
37831078 | 98 | // |
8ad31ee5 | 99 | TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections |
37831078 | 100 | // |
8ad31ee5 | 101 | tpc->DefineSection(0,-289.6,77.,278.); |
102 | tpc->DefineSection(1,-262.1,77.,278.); | |
37831078 | 103 | // |
8ad31ee5 | 104 | tpc->DefineSection(2,-262.1,83.1,278.); |
105 | tpc->DefineSection(3,-260.,83.1,278.); | |
37831078 | 106 | // |
8ad31ee5 | 107 | tpc->DefineSection(4,-260.,70.,278.); |
108 | tpc->DefineSection(5,-259.6,70.,278.); | |
37831078 | 109 | // |
8ad31ee5 | 110 | tpc->DefineSection(6,-259.6,68.1,278.); |
111 | tpc->DefineSection(7,-253.6,68.1,278.); | |
37831078 | 112 | // |
8ad31ee5 | 113 | tpc->DefineSection(8,-253.6,68.,278.); |
114 | tpc->DefineSection(9,-74.0,60.8,278.); | |
37831078 | 115 | // |
8ad31ee5 | 116 | tpc->DefineSection(10,-74.0,60.1,278.); |
117 | tpc->DefineSection(11,-73.3,60.1,278.); | |
37831078 | 118 | // |
8ad31ee5 | 119 | tpc->DefineSection(12,-73.3,56.9,278.); |
120 | tpc->DefineSection(13,-68.5,56.9,278.); | |
37831078 | 121 | // |
8ad31ee5 | 122 | tpc->DefineSection(14,-68.5,60.,278.); |
123 | tpc->DefineSection(15,-64.7,60.,278.); | |
78134e48 | 124 | // |
8ad31ee5 | 125 | tpc->DefineSection(16,-64.7,56.9,278.); |
126 | tpc->DefineSection(17,73.3,56.9,278.); | |
78134e48 | 127 | // |
8ad31ee5 | 128 | tpc->DefineSection(18,73.3,60.1,278.); |
129 | tpc->DefineSection(19,74.0,60.1,278.); | |
130 | tpc->DefineSection(20,74.0,60.8,278.); | |
131 | tpc->DefineSection(21,253.6,65.5,278.); | |
4fb9bd37 | 132 | // |
8ad31ee5 | 133 | tpc->DefineSection(22,253.6,65.6,278.); |
134 | tpc->DefineSection(23,259.6,65.6,278.); | |
4fb9bd37 | 135 | // |
8ad31ee5 | 136 | tpc->DefineSection(24,259.6,70.0,278.); |
137 | tpc->DefineSection(25,260.,70.0,278.); | |
4fb9bd37 | 138 | // |
8ad31ee5 | 139 | tpc->DefineSection(26,260.,83.1,278.); |
140 | tpc->DefineSection(27,262.1,83.1,278.); | |
4fb9bd37 | 141 | // |
8ad31ee5 | 142 | tpc->DefineSection(28,262.1,77.,278); |
143 | tpc->DefineSection(29,289.6,77.,278.); | |
37831078 | 144 | // |
c1637e41 | 145 | TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air"); |
146 | TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1); | |
37831078 | 147 | // |
c1637e41 | 148 | // drift volume - sensitive volume, extended beyond the |
149 | // endcaps, because of the alignment | |
37831078 | 150 | // |
c1637e41 | 151 | TGeoPcon *dvol = new TGeoPcon(0.,360.,6); |
152 | dvol->DefineSection(0,-260.,74.5,264.4); | |
153 | dvol->DefineSection(1,-253.6,74.5,264.4); | |
79575d04 | 154 | // |
c1637e41 | 155 | dvol->DefineSection(2,-253.6,76.6774,258.); |
156 | dvol->DefineSection(3,253.6,76.6774,258.); | |
37831078 | 157 | // |
c1637e41 | 158 | dvol->DefineSection(4,253.6,74.5,264.4); |
159 | dvol->DefineSection(5,260.,74.5,264.4); | |
37831078 | 160 | // |
f3d601a5 | 161 | TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-1"); |
c1637e41 | 162 | TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5); |
37831078 | 163 | // |
c1637e41 | 164 | v1->AddNode(v9,1); |
37831078 | 165 | // |
c1637e41 | 166 | // outer insulator |
37831078 | 167 | // |
c1637e41 | 168 | TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator |
37831078 | 169 | // |
c1637e41 | 170 | tpco->DefineSection(0,-256.6,264.8,278.); |
171 | tpco->DefineSection(1,-253.6,264.8,278.); | |
720b23b8 | 172 | // |
c1637e41 | 173 | tpco->DefineSection(2,-253.6,258.,278.); |
174 | tpco->DefineSection(3,250.6,258.,278.); | |
79575d04 | 175 | // |
c1637e41 | 176 | tpco->DefineSection(4,250.6,258.,275.5); |
177 | tpco->DefineSection(5,253.6,258.,275.5); | |
178 | // | |
179 | TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2"); | |
180 | TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2); | |
181 | // | |
182 | // outer containment vessel | |
183 | // | |
184 | TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel | |
185 | // | |
186 | tocv->DefineSection(0,-256.6,264.8,278.); | |
187 | tocv->DefineSection(1,-253.6,264.8,278.); | |
188 | // | |
189 | tocv->DefineSection(2,-253.6,274.8124,278.); | |
190 | tocv->DefineSection(3,247.6,274.8124,278.); | |
191 | // | |
192 | tocv->DefineSection(4,247.6,270.4,278.); | |
193 | tocv->DefineSection(5,250.6,270.4,278.); | |
194 | // | |
195 | TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al"); | |
196 | TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3); | |
197 | // | |
198 | TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy | |
199 | TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar | |
200 | TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2 | |
201 | TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex | |
202 | // | |
203 | TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy"); | |
204 | TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar"); | |
205 | TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2"); | |
206 | TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex"); | |
207 | // | |
208 | TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1); | |
209 | TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2); | |
210 | TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3); | |
211 | TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4); | |
37831078 | 212 | //------------------------------------------------------- |
213 | // Tpc Outer Field Cage | |
c1637e41 | 214 | // daughters - composite (sandwich) |
37831078 | 215 | //------------------------------------------------------- |
216 | ||
c1637e41 | 217 | TGeoPcon *tofc = new TGeoPcon(0.,360.,6); |
79575d04 | 218 | // |
c1637e41 | 219 | tofc->DefineSection(0,-253.6,258.,269.6); |
220 | tofc->DefineSection(1,-250.6,258.,269.6); | |
37831078 | 221 | // |
c1637e41 | 222 | tofc->DefineSection(2,-250.6,258.,260.0676); |
223 | tofc->DefineSection(3,250.6,258.,260.0676); | |
37831078 | 224 | // |
c1637e41 | 225 | tofc->DefineSection(4,250.6,258.,275.5); |
226 | tofc->DefineSection(5,253.6,258.,275.5); | |
37831078 | 227 | // |
c1637e41 | 228 | TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3); |
229 | //sandwich | |
230 | TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar | |
231 | TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3 | |
232 | TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex | |
37831078 | 233 | // |
c1637e41 | 234 | TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3"); |
37831078 | 235 | // |
c1637e41 | 236 | TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2); |
237 | TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5); | |
238 | TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4); | |
1283eee5 | 239 | // |
c1637e41 | 240 | // outer part - positioning |
37831078 | 241 | // |
c1637e41 | 242 | tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1); |
37831078 | 243 | // |
c1637e41 | 244 | tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1); |
1283eee5 | 245 | // |
456cb019 | 246 | v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1); |
1283eee5 | 247 | // |
c1637e41 | 248 | v2->AddNode(v3,1); v2->AddNode(v4,1); |
37831078 | 249 | // |
c1637e41 | 250 | v1->AddNode(v2,1); |
251 | //----------------------------------------------------------- | |
252 | //-------------------------------------------------------------------- | |
253 | // Tpc Inner INsulator (CO2) | |
254 | // the cones, the central drum and the inner f.c. sandwich with a piece | |
255 | // of the flane will be placed in the TPC | |
256 | //-------------------------------------------------------------------- | |
257 | TGeoPcon *tpci = new TGeoPcon(0.,360.,4); | |
37831078 | 258 | // |
c1637e41 | 259 | tpci->DefineSection(0,-253.6,68.4,76.6774); |
260 | tpci->DefineSection(1,-74.0,61.2,76.6774); | |
37831078 | 261 | // |
c1637e41 | 262 | tpci->DefineSection(2,74.0,61.2,76.6774); |
37831078 | 263 | // |
c1637e41 | 264 | tpci->DefineSection(3,253.6,65.9,76.6774); |
37831078 | 265 | // |
c1637e41 | 266 | TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2); |
37831078 | 267 | // |
c1637e41 | 268 | // now the inner field cage - only part of flanges (2 copies) |
37831078 | 269 | // |
c1637e41 | 270 | TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5); |
271 | TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3); | |
37831078 | 272 | // |
c1637e41 | 273 | //--------------------------------------------------------- |
274 | // Tpc Inner Containment vessel - Muon side | |
79575d04 | 275 | //--------------------------------------------------------- |
c1637e41 | 276 | TGeoPcon *tcms = new TGeoPcon(0.,360.,10); |
37831078 | 277 | // |
c1637e41 | 278 | tcms->DefineSection(0,-259.1,68.1,74.2); |
279 | tcms->DefineSection(1,-253.6,68.1,74.2); | |
37831078 | 280 | // |
c1637e41 | 281 | tcms->DefineSection(2,-253.6,68.1,68.4); |
282 | tcms->DefineSection(3,-74.0,60.9,61.2); | |
37831078 | 283 | // |
c1637e41 | 284 | tcms->DefineSection(4,-74.0,60.1,61.2); |
285 | tcms->DefineSection(5,-73.3,60.1,61.2); | |
37831078 | 286 | // |
c1637e41 | 287 | tcms->DefineSection(6,-73.3,56.9,61.2); |
288 | tcms->DefineSection(7,-73.0,56.9,61.2); | |
37831078 | 289 | // |
c1637e41 | 290 | tcms->DefineSection(8,-73.0,56.9,58.8); |
291 | tcms->DefineSection(9,-71.3,56.9,58.8); | |
37831078 | 292 | // |
c1637e41 | 293 | TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3); |
294 | //----------------------------------------------- | |
295 | // inner containment vessel - shaft side | |
296 | //----------------------------------------------- | |
297 | TGeoPcon *tcss = new TGeoPcon(0.,360.,10); | |
37831078 | 298 | // |
c1637e41 | 299 | tcss->DefineSection(0,71.3,56.9,58.8); |
300 | tcss->DefineSection(1,73.0,56.9,58.8); | |
37831078 | 301 | // |
c1637e41 | 302 | tcss->DefineSection(2,73.0,56.9,61.2); |
303 | tcss->DefineSection(3,73.3,56.9,61.2); | |
304 | // | |
305 | tcss->DefineSection(4,73.3,60.1,61.2); | |
306 | tcss->DefineSection(5,74.0,60.1,61.2); | |
37831078 | 307 | // |
c1637e41 | 308 | tcss->DefineSection(6,74.0,60.9,61.2); |
309 | tcss->DefineSection(7,253.6,65.6,65.9); | |
37831078 | 310 | // |
c1637e41 | 311 | tcss->DefineSection(8,253.6,65.6,74.2); |
312 | tcss->DefineSection(9,258.1,65.6,74.2); | |
37831078 | 313 | // |
c1637e41 | 314 | TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3); |
315 | //----------------------------------------------- | |
316 | // Inner field cage | |
317 | // define 4 parts and make an assembly | |
318 | //----------------------------------------------- | |
319 | // part1 - Al - 2 copies | |
320 | TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75); | |
321 | TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3); | |
322 | // sandwich - outermost parts - 2 copies | |
323 | TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns | |
324 | TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns | |
325 | TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns | |
326 | TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm | |
37831078 | 327 | // |
c1637e41 | 328 | TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2); |
329 | TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3); | |
330 | TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5); | |
331 | TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4); | |
37831078 | 332 | // |
c1637e41 | 333 | // middle parts - 2 copies |
334 | TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns | |
335 | TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns | |
336 | TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns | |
337 | TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm | |
79575d04 | 338 | // |
c1637e41 | 339 | TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2); |
340 | TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3); | |
341 | TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5); | |
342 | TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4); | |
343 | // central part - 1 copy | |
344 | TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns | |
345 | TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns | |
346 | TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm | |
79575d04 | 347 | // |
c1637e41 | 348 | TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2); |
349 | TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5); | |
350 | TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4); | |
79575d04 | 351 | // |
c1637e41 | 352 | // inner part - positioning |
79575d04 | 353 | // |
c1637e41 | 354 | // creating a sandwich |
355 | tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1); | |
79575d04 | 356 | // |
c1637e41 | 357 | tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1); |
79575d04 | 358 | // |
c1637e41 | 359 | tv10->AddNode(tv11,1); tv11->AddNode(tv12,1); |
37831078 | 360 | // |
c1637e41 | 361 | TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); |
37831078 | 362 | // |
c1637e41 | 363 | tv100->AddNode(tv10,1); |
364 | tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); | |
365 | tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); | |
366 | tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); | |
367 | tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925)); | |
368 | tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85)); | |
369 | tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85)); | |
370 | // | |
371 | v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1)); | |
372 | v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1)); | |
373 | v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1); | |
374 | v9->AddNode(tv100,1); | |
375 | // | |
376 | // central drum | |
377 | // | |
378 | // flange + sandwich | |
379 | // | |
380 | TGeoPcon *cfl = new TGeoPcon(0.,360.,6); | |
381 | cfl->DefineSection(0,-71.1,59.7,61.2); | |
382 | cfl->DefineSection(1,-68.6,59.7,61.2); | |
383 | // | |
384 | cfl->DefineSection(2,-68.6,60.6324,61.2); | |
385 | cfl->DefineSection(3,68.6,60.6324,61.2); | |
386 | // | |
387 | cfl->DefineSection(4,68.6,59.7,61.2); | |
388 | cfl->DefineSection(5,71.1,59.7,61.2); | |
389 | // | |
390 | TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3); | |
391 | // sandwich | |
392 | TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1); | |
393 | TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1); | |
394 | TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1); | |
395 | // | |
396 | TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1"); | |
397 | TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar | |
398 | TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1 | |
399 | TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm4); //nomex | |
400 | // | |
401 | // seals for central drum 2 copies | |
402 | // | |
403 | TGeoTube *cs = new TGeoTube(56.9,61.2,0.1); | |
404 | TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar"); | |
405 | TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7); | |
78134e48 | 406 | v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2)); |
407 | v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2)); | |
c1637e41 | 408 | // |
409 | // seal collars | |
410 | TGeoPcon *se = new TGeoPcon(0.,360.,6); | |
411 | se->DefineSection(0,-72.8,59.7,61.2); | |
412 | se->DefineSection(1,-72.3,59.7,61.2); | |
413 | // | |
414 | se->DefineSection(2,-72.3,58.85,61.2); | |
415 | se->DefineSection(3,-71.6,58.85,61.2); | |
416 | // | |
417 | se->DefineSection(4,-71.6,59.7,61.2); | |
418 | se->DefineSection(5,-71.3,59.7,61.2); | |
419 | // | |
420 | TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3); | |
421 | // | |
422 | TGeoTube *si = new TGeoTube(56.9,58.8,1.); | |
423 | TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3); | |
424 | // | |
425 | // define reflection matrix | |
426 | // | |
4fa47888 | 427 | TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.); |
c1637e41 | 428 | // |
429 | cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1); | |
430 | // | |
a1ec4d07 | 431 | v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9)); |
432 | v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9)); | |
c1637e41 | 433 | v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1); |
434 | // | |
435 | // central membrane - 2 rings and a mylar membrane - assembly | |
436 | // | |
437 | TGeoTube *ih = new TGeoTube(81.05,84.05,0.3); | |
438 | TGeoTube *oh = new TGeoTube(250.,256.,.5); | |
439 | TGeoTube *mem = new TGeoTube(84.05,250,0.01); | |
440 | TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3); | |
441 | TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3); | |
442 | TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7); | |
443 | // | |
444 | TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM"); | |
445 | cm->AddNode(ihv,1); | |
446 | cm->AddNode(ohv,1); | |
447 | cm->AddNode(memv,1); | |
448 | v9->AddNode(cm,1); | |
449 | // | |
450 | // end caps - they are make as an assembly of single segments | |
451 | // containing both readout chambers | |
452 | // | |
d899e254 | 453 | Double_t openingAngle = 10.*TMath::DegToRad(); |
c1637e41 | 454 | Double_t thick=1.5; // rib |
d899e254 | 455 | Double_t shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 456 | // |
d899e254 | 457 | Double_t lowEdge = 86.3; // hole in the wheel |
458 | Double_t upEdge = 240.4; // hole in the wheel | |
c1637e41 | 459 | // |
460 | new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.); | |
461 | // | |
462 | TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4); | |
463 | // | |
d899e254 | 464 | hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift); |
465 | hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift); | |
c1637e41 | 466 | // |
d899e254 | 467 | hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift); |
468 | hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift); | |
c1637e41 | 469 | // |
d899e254 | 470 | Double_t ys = shift*TMath::Sin(openingAngle); |
471 | Double_t xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 472 | TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.); |
473 | tr->RegisterYourself(); | |
474 | TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr"); | |
475 | TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3); | |
476 | TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2); | |
477 | bar->DefineSection(0,-3.,131.5-shift,136.5-shift); | |
478 | bar->DefineSection(1,1.5,131.5-shift,136.5-shift); | |
479 | TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3); | |
480 | TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment | |
481 | // | |
482 | ch->AddNode(sv,1); ch->AddNode(barv,1,tr); | |
483 | // | |
484 | // readout chambers | |
485 | // | |
486 | // IROC first | |
487 | // | |
488 | TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15); | |
489 | TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3); | |
37831078 | 490 | // empty space |
c1637e41 | 491 | TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65); |
492 | TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1); | |
493 | ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.)); | |
494 | //bars | |
495 | Double_t tga = (19.8328-12.3742)/39.3; | |
496 | Double_t xmin,xmax; | |
497 | xmin = 9.55*tga+12.3742; | |
498 | xmax = 9.95*tga+12.3742; | |
499 | TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
500 | TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3); | |
501 | empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9)); | |
502 | xmin=19.4*tga+12.3742; | |
503 | xmax=19.9*tga+12.3742; | |
504 | TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25); | |
505 | TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3); | |
506 | empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.)); | |
507 | xmin=29.35*tga+12.3742; | |
508 | xmax=29.75*tga+12.3742; | |
509 | TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2); | |
510 | TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3); | |
511 | empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9)); | |
512 | // | |
513 | // holes for connectors | |
514 | // | |
515 | TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc | |
516 | TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1); | |
d9e80aca | 517 | TString fileName(gSystem->Getenv("ALICE_ROOT")); |
518 | fileName += "/TPC/conn_iroc.dat"; | |
c1637e41 | 519 | ifstream in; |
d9e80aca | 520 | in.open(fileName.Data(), ios_base::in); // asci file |
c1637e41 | 521 | for(Int_t i =0;i<86;i++){ |
456cb019 | 522 | Double_t y = 3.99; |
c1637e41 | 523 | Double_t x,z,ang; |
524 | in>>x>>z>>ang; | |
456cb019 | 525 | z-=26.5; |
c1637e41 | 526 | TGeoRotation *rrr = new TGeoRotation(); |
527 | rrr->RotateY(ang); | |
528 | TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr); | |
529 | ibdv->AddNode(connv,i+1,trans); | |
530 | } | |
531 | in.close(); | |
532 | // "cap" | |
533 | new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825); | |
534 | // "hole" | |
535 | new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15); | |
536 | TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725); | |
537 | tr1->RegisterYourself(); | |
538 | TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1"); | |
539 | TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3); | |
540 | // | |
541 | // pad plane and wire fixations | |
542 | // | |
543 | TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso | |
544 | TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10"); | |
545 | TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4); | |
546 | TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.); | |
547 | TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4); | |
548 | TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.); | |
549 | TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4); | |
550 | // | |
551 | TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC"); | |
552 | // | |
553 | iroc->AddNode(ibdv,1); | |
554 | iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725)); | |
555 | iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725)); | |
556 | tga =(23.3521-14.5974)/49.65; | |
557 | Double_t xx = 24.825*tga+14.5974-0.6; | |
558 | iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725)); | |
559 | iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725)); | |
560 | // | |
561 | // OROC | |
562 | // | |
563 | TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65); | |
564 | TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3); | |
565 | TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65); | |
566 | TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1); | |
567 | obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.)); | |
568 | //horizontal bars | |
569 | tga=(38.5084-20.2938)/99.3; | |
570 | xmin=tga*10.2+20.2938; | |
571 | xmax=tga*10.6+20.2938; | |
572 | TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
573 | TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3); | |
574 | // | |
575 | xmin=22.55*tga+20.2938; | |
576 | xmax=24.15*tga+20.2938; | |
577 | TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
578 | TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3); | |
579 | // | |
580 | xmin=36.1*tga+20.2938; | |
581 | xmax=36.5*tga+20.2938; | |
582 | TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
583 | TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3); | |
584 | // | |
585 | xmin=49.0*tga+20.2938; | |
586 | xmax=50.6*tga+20.2938; | |
587 | TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
588 | TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3); | |
589 | // | |
590 | xmin=63.6*tga+20.2938; | |
591 | xmax=64.0*tga+20.2938; | |
592 | TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
593 | TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3); | |
594 | // | |
595 | xmin=75.5*tga+20.2938; | |
596 | xmax=77.15*tga+20.2938; | |
597 | TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8); | |
598 | TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3); | |
599 | // | |
600 | xmin=88.7*tga+20.2938; | |
601 | xmax=89.1*tga+20.2938; | |
602 | TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2); | |
603 | TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3); | |
604 | // | |
605 | oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25)); | |
606 | oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3)); | |
607 | oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35)); | |
608 | oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15)); | |
609 | oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15)); | |
610 | oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7)); | |
611 | oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25)); | |
612 | // vertical bars | |
613 | TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1); | |
614 | TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975); | |
615 | TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775); | |
616 | TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25); | |
617 | TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5); | |
618 | // | |
619 | TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3); | |
620 | TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3); | |
621 | TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3); | |
622 | TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3); | |
623 | TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3); | |
624 | // | |
625 | oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55)); | |
626 | oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55)); | |
627 | oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075)); | |
628 | oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525)); | |
629 | oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125)); | |
630 | oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275)); | |
631 | oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9)); | |
632 | oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45)); | |
633 | // | |
634 | // holes for connectors | |
635 | // | |
d9e80aca | 636 | fileName = gSystem->Getenv("ALICE_ROOT"); |
637 | fileName += "/TPC/conn_oroc.dat"; | |
638 | in.open(fileName.Data(), ios_base::in); // asci file | |
c1637e41 | 639 | for(Int_t i =0;i<78;i++){ |
640 | Double_t y =3.89; | |
641 | Double_t x,z,ang; | |
642 | Double_t x1,z1,x2,z2; | |
643 | in>>x>>z>>ang; | |
644 | Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad()); | |
645 | Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad()); | |
646 | // | |
647 | x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z; | |
648 | // | |
649 | TGeoRotation *rr = new TGeoRotation(); | |
650 | rr->RotateY(ang); | |
651 | z1-=54.95; | |
652 | z2-=54.95; | |
653 | TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr); | |
654 | TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr); | |
655 | obdv->AddNode(connv,i+1,trans1); | |
656 | obdv->AddNode(connv,i+79,trans2); | |
657 | } | |
658 | in.close(); | |
659 | // cap | |
660 | new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1); | |
661 | new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65); | |
662 | TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15); | |
663 | tr5->RegisterYourself(); | |
664 | TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5"); | |
665 | TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3); | |
666 | // | |
667 | // pad plane and wire fixations | |
668 | // | |
669 | TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1); | |
670 | TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4); | |
671 | // | |
672 | tga=(43.5239-23.3874)/114.2; | |
673 | TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.); | |
674 | TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.); | |
675 | xx = 57.1*tga+23.3874-0.7; | |
676 | TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4); | |
677 | TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4); | |
678 | // | |
679 | TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC"); | |
680 | // | |
681 | oroc->AddNode(obdv,1); | |
682 | oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15)); | |
683 | oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15)); | |
684 | oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15)); | |
685 | oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15)); | |
686 | // | |
687 | // now iroc and oroc are placed into a sector... | |
688 | // | |
a1ec4d07 | 689 | TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side |
690 | TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side | |
691 | // | |
1fba9945 | 692 | |
c1637e41 | 693 | TGeoRotation rot1("rot1",90.,90.,0.); |
694 | TGeoRotation rot2("rot2"); | |
695 | rot2.RotateY(10.); | |
696 | TGeoRotation *rot = new TGeoRotation("rot"); | |
697 | *rot=rot1*rot2; | |
698 | // | |
699 | Double_t x0,y0; | |
d899e254 | 700 | x0=110.2*TMath::Cos(openingAngle); |
701 | y0=110.2*TMath::Sin(openingAngle); | |
20527578 | 702 | TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side |
703 | TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side | |
d899e254 | 704 | x0=188.45*TMath::Cos(openingAngle); |
705 | y0=188.45*TMath::Sin(openingAngle); | |
20527578 | 706 | TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side |
707 | TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side | |
a1ec4d07 | 708 | // |
709 | // A-side | |
710 | // | |
711 | secta->AddNode(ch,1); | |
712 | secta->AddNode(iroc,1,combi1a); | |
713 | secta->AddNode(oroc,1,combi2a); | |
714 | // | |
715 | // C-side | |
c1637e41 | 716 | // |
a1ec4d07 | 717 | sectc->AddNode(ch,1); |
718 | sectc->AddNode(iroc,1,combi1c); | |
719 | sectc->AddNode(oroc,1,combi2c); | |
c1637e41 | 720 | // |
a1ec4d07 | 721 | // now I try to make wheels... |
c1637e41 | 722 | // |
a1ec4d07 | 723 | TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP"); |
724 | TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP"); | |
c1637e41 | 725 | // |
726 | for(Int_t i =0;i<18;i++){ | |
727 | Double_t phi = (20.*i); | |
728 | TGeoRotation *r = new TGeoRotation(); | |
729 | r->RotateZ(phi); | |
a1ec4d07 | 730 | wheela->AddNode(secta,i+1,r); |
731 | wheelc->AddNode(sectc,i+1,r); | |
c1637e41 | 732 | } |
733 | // wheels in the drift volume! | |
c1637e41 | 734 | TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref); |
a1ec4d07 | 735 | v9->AddNode(wheela,1,combi3); |
736 | v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6)); | |
c1637e41 | 737 | //_____________________________________________________________ |
738 | // service support wheel | |
739 | //_____________________________________________________________ | |
740 | TGeoPgon *sw = new TGeoPgon(0.,20.,1,2); | |
741 | sw->DefineSection(0,-4.,80.5,251.75); | |
742 | sw->DefineSection(1,4.,80.5,251.75); | |
743 | TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al | |
744 | // | |
745 | thick=1.; | |
d899e254 | 746 | shift = thick/TMath::Sin(openingAngle); |
c1637e41 | 747 | TGeoPgon *sh = new TGeoPgon(0.,20.,1,2); |
748 | sh->DefineSection(0,-4.,81.5-shift,250.75-shift); | |
749 | sh->DefineSection(1,4.,81.5-shift,250.75-shift); | |
750 | TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air | |
751 | // | |
74518339 | 752 | TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si"); |
753 | TGeoPgon *el = new TGeoPgon(0.,20.,1,2); | |
754 | el->DefineSection(0,-1.872,81.5-shift,250.75-shift); | |
755 | el->DefineSection(1,1.872,81.5-shift,250.75-shift); | |
756 | TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si | |
757 | // | |
758 | shv->AddNode(elv,1); | |
759 | // | |
760 | // | |
d899e254 | 761 | ys = shift*TMath::Sin(openingAngle); |
762 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 763 | swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.)); |
764 | // cover | |
765 | TGeoPgon *co = new TGeoPgon(0.,20.,1,2); | |
766 | co->DefineSection(0,-0.5,77.,255.25); | |
767 | co->DefineSection(1,0.5,77.,255.25); | |
768 | TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al | |
769 | // hole in a cover | |
770 | TGeoPgon *coh = new TGeoPgon(0.,20.,1,2); | |
d899e254 | 771 | shift=4./TMath::Sin(openingAngle); |
c1637e41 | 772 | coh->DefineSection(0,-0.5,85.-shift,247.25-shift); |
773 | coh->DefineSection(1,0.5,85.-shift,247.25-shift); | |
774 | // | |
775 | TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1); | |
776 | // | |
d899e254 | 777 | ys = shift*TMath::Sin(openingAngle); |
778 | xs = shift*TMath::Cos(openingAngle); | |
c1637e41 | 779 | cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.)); |
780 | // | |
781 | // Sector as an Assembly | |
782 | // | |
783 | TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC"); | |
784 | swhs->AddNode(swv,1); | |
785 | swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5)); | |
786 | swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5)); | |
787 | // | |
788 | // SSW as an Assembly of sectors | |
789 | // | |
790 | TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL"); | |
791 | for(Int_t i =0;i<18;i++){ | |
792 | Double_t phi = (20.*i); | |
793 | TGeoRotation *r = new TGeoRotation(); | |
794 | r->RotateZ(phi); | |
795 | swheel->AddNode(swhs,i+1,r); | |
796 | } | |
797 | v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6)); | |
798 | v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6)); | |
799 | // | |
37831078 | 800 | //---------------------------------------------------------- |
801 | // TPc Support Rods - MAKROLON | |
802 | //---------------------------------------------------------- | |
c1637e41 | 803 | TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon"); |
804 | TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu"); | |
78134e48 | 805 | TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina"); |
806 | TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek"); | |
807 | TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water"); | |
c1637e41 | 808 | // upper and lower rods differ in length! |
809 | Double_t *upar; | |
810 | upar=NULL; | |
811 | gGeoManager->Volume("TPC_Rod","TUBE",m6->GetId(),upar); | |
812 | upar=new Double_t [3]; | |
813 | upar[0]=1.8; | |
814 | upar[1]=2.2; | |
815 | ||
816 | // | |
817 | //HV rods - makrolon + 0.58cm (diameter) Cu | |
ae4806ca | 818 | TGeoTube *hvr = new TGeoTube(0.,2.2,126.64); |
c1637e41 | 819 | TGeoTube *hvc = new TGeoTube(0.,0.29,126.64); |
820 | // | |
821 | TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6); | |
822 | TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7); | |
823 | hvrv->AddNode(hvcv,1); | |
78134e48 | 824 | // |
825 | // resistor rods | |
826 | // | |
827 | TGeoTube *cri = new TGeoTube(0.,0.45,126.64); //inner | |
828 | TGeoTube *cro = new TGeoTube(0.,0.45,126.54); //outer | |
829 | TGeoTube *cwi = new TGeoTube(0.,0.15,126.64); // water inner | |
830 | TGeoTube *cwo = new TGeoTube(0.,0.15,126.54); // water outer | |
831 | // | |
832 | TGeoVolume *criv = new TGeoVolume("TPC_CR_I",cri,m10); | |
833 | TGeoVolume *crov = new TGeoVolume("TPC_CR_O",cro,m10); | |
834 | TGeoVolume *cwiv = new TGeoVolume("TPC_W_I",cwi,m11); | |
835 | TGeoVolume *cwov = new TGeoVolume("TPC_W_O",cwo,m11); | |
836 | // | |
837 | // ceramic rod with water | |
838 | // | |
839 | criv->AddNode(cwiv,1); | |
840 | crov->AddNode(cwov,1); | |
841 | // | |
842 | TGeoTube *pri =new TGeoTube(0.2,0.35,126.64); //inner | |
843 | TGeoTube *pro = new TGeoTube(0.2,0.35,126.54); //outer | |
844 | // | |
845 | // peek rod | |
846 | // | |
847 | TGeoVolume *priv = new TGeoVolume("TPC_PR_I",pri,m12); | |
848 | TGeoVolume *prov = new TGeoVolume("TPC_PR_O",pro,m12); | |
849 | // | |
850 | // resistor rods assembly | |
851 | // | |
be53328e | 852 | TGeoRotation *rotr = new TGeoRotation("rotr"); |
853 | rotr->RotateZ(-21.); | |
78134e48 | 854 | TGeoTube *rri = new TGeoTube(1.8,2.2,126.64);//inner |
855 | TGeoTube *rro = new TGeoTube(1.8,2.2,126.54);//inner | |
856 | // | |
857 | TGeoVolume *rriv = new TGeoVolume("TPC_RR_I",rri,m6); | |
858 | TGeoVolume *rrov = new TGeoVolume("TPC_RR_O",rro,m6); | |
859 | // | |
a3d2be59 | 860 | TGeoVolumeAssembly *rrin = new TGeoVolumeAssembly("TPC_RROD_I"); |
861 | TGeoVolumeAssembly *rrou = new TGeoVolumeAssembly("TPC_RROD_O"); | |
862 | rrin->AddNode(rriv,1); | |
863 | rrin->AddNode(criv,1,new TGeoTranslation(0.5,0.866, 0.)); | |
864 | rrin->AddNode(criv,2,new TGeoTranslation(0.5,-0.866, 0.)); | |
865 | rrin->AddNode(priv,1); | |
866 | // | |
867 | rrou->AddNode(rrov,1); | |
868 | rrou->AddNode(crov,1,new TGeoTranslation(0.5,0.866, 0.)); | |
869 | rrou->AddNode(crov,2,new TGeoTranslation(0.5,-0.866, 0.)); | |
870 | rrou->AddNode(prov,1); | |
7281dc07 | 871 | for(Int_t i=0;i<18;i++){ |
c1637e41 | 872 | Double_t angle,x,y; |
873 | Double_t z,r; | |
874 | angle=TMath::DegToRad()*20.*(Double_t)i; | |
875 | r=81.5; | |
876 | x=r * TMath::Cos(angle); | |
877 | y=r * TMath::Sin(angle); | |
878 | upar[2]=126.64; //lower | |
879 | z= 126.96; | |
78134e48 | 880 | if(i==3){ |
be53328e | 881 | v9->AddNode(rrin,1,new TGeoCombiTrans(x,y,z,rotr)); //A |
882 | v9->AddNode(rrin,2,new TGeoCombiTrans(x,y,-z,rotr)); //C | |
78134e48 | 883 | } |
884 | else { | |
885 | gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft | |
886 | gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon | |
c1637e41 | 887 | } |
78134e48 | 888 | |
889 | ||
890 | // | |
c1637e41 | 891 | r=254.25; |
892 | x=r * TMath::Cos(angle); | |
893 | y=r * TMath::Sin(angle); | |
894 | upar[2]=126.54; //upper | |
895 | z=127.06; | |
78134e48 | 896 | // |
897 | if(i==15){ | |
5042ab7d | 898 | //v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only |
899 | v9->AddNode(hvrv,1,new TGeoTranslation(x,y,127.14));//A-side only | |
78134e48 | 900 | gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3); |
901 | } | |
902 | else if(i==11){ | |
be53328e | 903 | v9->AddNode(rrou,1,new TGeoCombiTrans(x,y,z,rotr)); //A |
904 | v9->AddNode(rrou,2,new TGeoCombiTrans(x,y,-z,rotr)); //C | |
78134e48 | 905 | } |
906 | else{ | |
907 | // | |
908 | gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3); | |
909 | gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3); | |
910 | } | |
911 | ||
37831078 | 912 | } |
913 | ||
bde68ab0 | 914 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); |
915 | alice->AddNode(v1,1); | |
916 | ||
79575d04 | 917 | |
1283eee5 | 918 | } // end of function |
919 | ||
fe4da5cc | 920 | |
921 | //_____________________________________________________________________________ | |
922 | void AliTPCv0::CreateMaterials() | |
923 | { | |
924 | // | |
925 | // Define materials for the TPC | |
926 | // | |
927 | AliTPC::CreateMaterials(); | |
928 | } | |
929 | ||
fe4da5cc | 930 | |
931 | //_____________________________________________________________________________ | |
932 | void AliTPCv0::Init() | |
933 | { | |
934 | // | |
935 | // Initialise Time Projection Chamber version 0 | |
936 | // | |
13a8c8d7 | 937 | |
938 | printf("%s: *** TPC version 0 initialized***\n",ClassName()); | |
939 | ||
940 | // printf("TPC version 0 initialized\n"); | |
fe4da5cc | 941 | } |
942 | ||
943 | //_____________________________________________________________________________ | |
944 | void AliTPCv0::StepManager() | |
945 | { | |
946 | // | |
947 | // Procedure called at each step in the TPC | |
948 | // | |
949 | } |