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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 | ||
eeacf08b | 16 | /* $Id$ */ |
4c039060 | 17 | |
77289c85 | 18 | /////////////////////////////////////////////////////////////////////////////// |
19 | // // | |
20 | // Beam pipe class // | |
21 | // // | |
22 | //Begin_Html | |
23 | /* | |
1439f98e | 24 | <img src="picts/AliPIPEClass.gif"> |
77289c85 | 25 | */ |
26 | //End_Html | |
27 | // // | |
28 | /////////////////////////////////////////////////////////////////////////////// | |
29 | ||
88cb7938 | 30 | #include <TVirtualMC.h> |
31 | ||
32 | #include "AliMagF.h" | |
77289c85 | 33 | #include "AliPIPEv3.h" |
34 | #include "AliRun.h" | |
77289c85 | 35 | |
36 | ClassImp(AliPIPEv3) | |
37 | ||
38 | //_____________________________________________________________________________ | |
39 | AliPIPEv3::AliPIPEv3() | |
40 | { | |
41 | // | |
42 | // Default constructor for beam pipe | |
43 | // | |
44 | } | |
45 | ||
46 | //_____________________________________________________________________________ | |
47 | AliPIPEv3::AliPIPEv3(const char *name, const char *title) | |
48 | : AliPIPE(name,title) | |
49 | { | |
50 | // | |
51 | // Standard constructor for beam pipe | |
52 | // | |
53 | } | |
54 | ||
55 | //_____________________________________________________________________________ | |
56 | void AliPIPEv3::CreateGeometry() | |
57 | { | |
58 | // | |
59 | // Create Beam Pipe geometry | |
60 | // | |
61 | //Begin_Html | |
62 | /* | |
1439f98e | 63 | <img src="picts/AliPIPE.gif"> |
77289c85 | 64 | */ |
65 | //End_Html | |
66 | //Begin_Html | |
67 | /* | |
1439f98e | 68 | <img src="picts/AliPIPETree.gif"> |
77289c85 | 69 | */ |
70 | //End_Html | |
71 | ||
77289c85 | 72 | Float_t tpar[3], dzmo, zpos; |
73 | Float_t bepar[3], alpar[3],sspar[3],flange[3],vacpar[3]; | |
74 | Float_t bellow[3]; | |
75 | // Float_t undul[3]; | |
76 | // const Double_t z_flange = 150; | |
77 | //for undulated structure | |
78 | char cn18[][5]={"CN01","CN02","CN03","CN04","CN05","CN06","CN07","CN08"}; | |
79 | char cn48[][5]={"CN21","CN22","CN23","CN24","CN25","CN26","CN27","CN28"}; | |
80 | // char undul[][5]={'BELO','UNDL'}; | |
81 | Float_t zundul; | |
82 | Float_t rundul; | |
83 | Float_t pitch; | |
84 | Float_t thick; | |
85 | ||
86 | ||
ad51aeb0 | 87 | Int_t *idtmed = fIdtmed->GetArray()-1999; |
77289c85 | 88 | // the mother of all beam pipes |
89 | ||
90 | tpar[0] = 0.; | |
91 | tpar[1] = 10.; | |
92 | tpar[2] = 1400. / 2; | |
93 | dzmo = tpar[2]; | |
cfce8870 | 94 | gMC->Gsvolu("QQMO", "TUBE", idtmed[2015], tpar, 3); |
77289c85 | 95 | |
96 | // All beam pipe details as per the provisonal drawings given by Lars | |
97 | // Leistam on 31.5.99 | |
98 | ||
99 | // Beryllium beam pipe, length 56.6 cm, centered at vertex | |
100 | ||
101 | bepar[0]=0.0; | |
102 | bepar[1]=3.0; | |
103 | bepar[2]=28.3; | |
104 | zpos=0.0; | |
105 | vacpar[0]=0.0; | |
106 | vacpar[1]=2.9; | |
107 | vacpar[2]=bepar[2]; | |
108 | // | |
cfce8870 | 109 | gMC->Gsvolu("QQBE", "TUBE", idtmed[2004], bepar, 3); |
e035db65 | 110 | gMC->Gsvolu("QAC1", "TUBE", idtmed[2015], vacpar, 3); |
111 | gMC->Gspos("QAC1", 1, "QQBE", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 112 | gMC->Gspos("QQBE", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 113 | |
114 | // now beam pipes only in negative z-part for use in PMD. | |
115 | ||
116 | // SS Flange 4 cm thick, 5.8 cm ID, 6.3 cm OD | |
117 | flange[0]=0.0; | |
118 | flange[1]=3.15; | |
119 | flange[2]=2.0; | |
120 | zpos = zpos -bepar[2] - flange[2]; | |
121 | vacpar[0]=0.0; | |
122 | vacpar[1]=2.9; | |
123 | vacpar[2]=flange[2]; | |
124 | // | |
cfce8870 | 125 | gMC->Gsvolu("QFL1", "TUBE", idtmed[2018], flange, 3); |
e035db65 | 126 | gMC->Gsvolu("QAC2", "TUBE", idtmed[2015], vacpar, 3); |
127 | gMC->Gspos("QAC2", 1, "QFL1", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 128 | gMC->Gspos("QFL1", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 129 | |
130 | // Aluminium alloy beam pipe, 1mm thick, 230 cm long | |
131 | alpar[0]=0.0; | |
132 | alpar[1]=3.0; | |
133 | alpar[2]=115.; | |
134 | zpos = zpos - flange[2] - alpar[2]; | |
135 | ||
136 | vacpar[0]=0.0; | |
137 | vacpar[1]=2.9; | |
138 | vacpar[2]=alpar[2]; | |
cfce8870 | 139 | gMC->Gsvolu("QQAL", "TUBE", idtmed[2003], alpar, 3); |
e035db65 | 140 | gMC->Gsvolu("QAC3", "TUBE", idtmed[2015], vacpar, 3); |
141 | gMC->Gspos("QAC3", 1, "QQAL", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 142 | gMC->Gspos("QQAL", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 143 | |
144 | ||
145 | // SS tube 2.0 cm long, 0.8 mm thick, 5.96 cm OD | |
146 | ||
147 | sspar[0]=0.0; | |
148 | sspar[1]=2.98; | |
149 | sspar[2]=1.0; | |
150 | zpos = zpos - alpar[2] - sspar[2]; | |
151 | ||
152 | vacpar[0]=0.0; | |
153 | vacpar[1]=2.9; | |
154 | vacpar[2]=sspar[2]; | |
cfce8870 | 155 | gMC->Gsvolu("QSS1", "TUBE", idtmed[2018], sspar, 3); |
e035db65 | 156 | gMC->Gsvolu("QAC4", "TUBE", idtmed[2015], vacpar, 3); |
157 | gMC->Gspos("QAC4", 1, "QSS1", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 158 | gMC->Gspos("QSS1", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 159 | |
160 | ||
161 | // SS Flange 3 cm thick 7.4 cm OD, 5.8 cm ID | |
162 | ||
163 | flange[0]=0.0; | |
164 | flange[1]=3.7; | |
165 | flange[2]=1.5; | |
166 | zpos = zpos - sspar[2] - flange[2]; | |
167 | ||
168 | vacpar[0]=0.0; | |
169 | vacpar[1]=2.9; | |
170 | vacpar[2]=flange[2]; | |
cfce8870 | 171 | gMC->Gsvolu("QFL2", "TUBE", idtmed[2018], flange, 3); |
e035db65 | 172 | gMC->Gsvolu("QAC5", "TUBE", idtmed[2015], vacpar, 3); |
173 | gMC->Gspos("QAC5", 1, "QFL2", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 174 | gMC->Gspos("QFL2", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 175 | |
176 | ||
177 | // SS tube 4.0 cm long, 0.8 mm thick, 5.96 cm OD | |
178 | ||
179 | sspar[0]=0.0; | |
180 | sspar[1]=2.98; | |
181 | sspar[2]=2.0; | |
182 | zpos = zpos - flange[2] - sspar[2]; | |
183 | ||
184 | vacpar[0]=0.0; | |
185 | vacpar[1]=2.9; | |
186 | vacpar[2]=sspar[2]; | |
cfce8870 | 187 | gMC->Gsvolu("QSS2", "TUBE", idtmed[2018], sspar, 3); |
e035db65 | 188 | gMC->Gsvolu("QAC6", "TUBE", idtmed[2015], vacpar, 3); |
189 | gMC->Gspos("QAC6", 1, "QSS2", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 190 | gMC->Gspos("QSS2", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 191 | |
192 | ||
193 | // ************* | |
194 | // SS Bellow 8.4 cm long, 6.5 cm ID, 7.5 cm OD | |
195 | // 0.8 mm thick material, 0.3 cm pitch. | |
196 | // zundul=4.2, rundul=6.5, thick=0.08 | |
197 | // ************** | |
198 | pitch=0.3; | |
199 | thick=0.08; | |
200 | zundul=4.2; | |
201 | rundul=6.5; | |
202 | Undulation("BELO",pitch,thick,zundul,rundul,cn18); | |
203 | // | |
204 | bellow[2]=zundul; | |
205 | zpos = zpos - sspar[2] - bellow[2]; | |
cfce8870 | 206 | gMC->Gspos("BELO", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 207 | |
208 | // SS tube 20.0 cm long, 0.8 mm thick, 5.96 cm OD | |
209 | ||
210 | sspar[0]=0.0; | |
211 | sspar[1]=2.98; | |
212 | sspar[2]=10.0; | |
213 | zpos = zpos - bellow[2] - sspar[2]; | |
214 | ||
215 | vacpar[0]=0.0; | |
216 | vacpar[1]=2.9; | |
217 | vacpar[2]=sspar[2]; | |
cfce8870 | 218 | gMC->Gsvolu("QSS3", "TUBE", idtmed[2018], sspar, 3); |
e035db65 | 219 | gMC->Gsvolu("QAC7", "TUBE", idtmed[2015], vacpar, 3); |
220 | gMC->Gspos("QAC7", 1, "QSS3", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 221 | gMC->Gspos("QSS3", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 222 | |
223 | // ************* | |
224 | // SS Bellow 8.4 cm long, 6.5 cm ID, 7.5 cm OD | |
225 | // 0.8 mm thick material, 0.3 cm pitch. | |
226 | // ************** | |
227 | // | |
228 | zpos = zpos - sspar[2] - bellow[2]; | |
cfce8870 | 229 | gMC->Gspos("BELO", 2, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 230 | |
231 | // SS tube 4.7 cm long, 0.8 mm thick, | |
232 | ||
233 | sspar[0]=0.0; | |
234 | sspar[1]=2.98; | |
235 | sspar[2]=4.7/2.; | |
236 | zpos = zpos - bellow[2] - sspar[2]; | |
237 | ||
238 | vacpar[0]=0.0; | |
239 | vacpar[1]=2.9; | |
240 | vacpar[2]=sspar[2]; | |
cfce8870 | 241 | gMC->Gsvolu("QSS4", "TUBE", idtmed[2018], sspar, 3); |
e035db65 | 242 | gMC->Gsvolu("QAC8", "TUBE", idtmed[2015], vacpar, 3); |
243 | gMC->Gspos("QAC8", 1, "QSS4", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 244 | gMC->Gspos("QSS4", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 245 | |
246 | // SS Flange 2.2 cm thick, ID=5.8 cm, OD=9.8 cm | |
247 | ||
248 | flange[0]=0.0; | |
249 | flange[1]=4.9; | |
250 | flange[2]=1.1; | |
251 | zpos = zpos - sspar[2] - flange[2]; | |
252 | ||
253 | vacpar[0]=0.0; | |
254 | vacpar[1]=2.9; | |
255 | vacpar[2]=flange[2]; | |
cfce8870 | 256 | gMC->Gsvolu("QFL3", "TUBE", idtmed[2018], flange, 3); |
e035db65 | 257 | gMC->Gsvolu("QAC9", "TUBE", idtmed[2015], vacpar, 3); |
258 | gMC->Gspos("QAC9", 1, "QFL3", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 259 | gMC->Gspos("QFL3", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 260 | |
261 | //Total of 3150 mm from vertex on the negative side upto this point. | |
262 | ||
263 | // SS tube 20.0 cm long, 0.15 cm thick, 5.8 cm ID, to support vac. pump | |
264 | ||
265 | sspar[0]=0.0; | |
266 | sspar[1]=3.05; | |
267 | sspar[2]=10.0; | |
268 | zpos = zpos - flange[2] - sspar[2]; | |
269 | ||
270 | vacpar[0]=0.0; | |
271 | vacpar[1]=2.9; | |
272 | vacpar[2]=sspar[2]; | |
cfce8870 | 273 | gMC->Gsvolu("QSS5", "TUBE", idtmed[2018], sspar, 3); |
e035db65 | 274 | gMC->Gsvolu("QA10", "TUBE", idtmed[2015], vacpar, 3); |
275 | gMC->Gspos("QA10", 1, "QSS5", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 276 | gMC->Gspos("QSS5", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 277 | |
278 | // | |
279 | // last item, undulated SS beam pipe, pitch=0.25, length= 342.0 cm | |
280 | // material thickness 0.015 cm, ID=6.0 cm, | |
281 | // zundul=171.0, thick=0.015, rundul=3.0 | |
282 | pitch=0.25; | |
283 | thick=0.015; | |
284 | zundul=171; | |
285 | rundul=3.0; | |
286 | Undulation("UNDL",pitch,thick,zundul,rundul,cn48); | |
287 | // | |
288 | zpos = zpos - sspar[2] - zundul; | |
cfce8870 | 289 | gMC->Gspos("UNDL", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 290 | // |
cfce8870 | 291 | gMC->Gspos("QQMO", 1, "ALIC", 0., 0., 0.1, 0, "ONLY"); |
77289c85 | 292 | |
293 | // total of 6770 mm length upto this point, end of undulated beam | |
294 | // pipe section. | |
295 | ||
296 | // SS flange 22*2 mm thick | |
297 | ||
298 | ||
299 | flange[0]=0.0; | |
300 | flange[1]=6.3; | |
301 | flange[2]=2.2; | |
302 | zpos = zpos - zundul - flange[2]; | |
303 | ||
304 | vacpar[0]=0.0; | |
305 | vacpar[1]=2.9; | |
306 | vacpar[2]=flange[2]; | |
cfce8870 | 307 | gMC->Gsvolu("QFL4", "TUBE", idtmed[2018], flange, 3); |
e035db65 | 308 | gMC->Gsvolu("QC11", "TUBE", idtmed[2015], vacpar, 3); |
309 | gMC->Gspos("QC11", 1, "QFL4", 0., 0., 0., 0, "ONLY"); | |
cfce8870 | 310 | gMC->Gspos("QFL4", 1, "QQMO", 0., 0., zpos, 0, "ONLY"); |
77289c85 | 311 | |
312 | } | |
313 | ||
314 | //_____________________________________________________________________________ | |
eeacf08b | 315 | void AliPIPEv3::DrawModule() const |
77289c85 | 316 | { |
317 | // | |
318 | // Draw a shaded view of the Beam Pipe | |
319 | // | |
320 | ||
77289c85 | 321 | // Set everything unseen |
cfce8870 | 322 | gMC->Gsatt("*", "seen", -1); |
77289c85 | 323 | // |
324 | // Set ALIC mother transparent | |
cfce8870 | 325 | gMC->Gsatt("ALIC","SEEN",0); |
77289c85 | 326 | // |
327 | // Set the volumes visible | |
cfce8870 | 328 | gMC->Gsatt("QQMO","seen",1); |
329 | gMC->Gsatt("QQBE","seen",1); | |
330 | gMC->Gsatt("QFL1","seen",1); | |
331 | gMC->Gsatt("QQAL","seen",1); | |
332 | gMC->Gsatt("QSS1","seen",1); | |
333 | gMC->Gsatt("QFL2","seen",1); | |
334 | gMC->Gsatt("QSS2","seen",1); | |
335 | gMC->Gsatt("QSS3","seen",1); | |
336 | gMC->Gsatt("QSS4","seen",1); | |
337 | gMC->Gsatt("QFL3","seen",1); | |
338 | gMC->Gsatt("QSS5","seen",1); | |
339 | gMC->Gsatt("BELO","seen",1); | |
340 | gMC->Gsatt("UNDL","seen",1); | |
77289c85 | 341 | // |
cfce8870 | 342 | gMC->Gdopt("hide", "on"); |
343 | gMC->Gdopt("shad", "on"); | |
344 | gMC->Gsatt("*", "fill", 7); | |
345 | gMC->SetClipBox("."); | |
346 | gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000); | |
347 | gMC->DefaultRange(); | |
348 | gMC->Gdraw("alic", 40, 30, 0, 3, 5, .04, .04); | |
349 | gMC->Gdhead(1111, "Beam Pipe"); | |
350 | gMC->Gdman(16, 6, "MAN"); | |
351 | gMC->Gdopt("hide","off"); | |
77289c85 | 352 | } |
353 | ||
354 | //_____________________________________________________________________________ | |
355 | void AliPIPEv3::CreateMaterials() | |
356 | { | |
357 | // | |
358 | // Create materials for beam pipe | |
359 | // | |
360 | ||
b43eb0dc | 361 | Int_t isxfld = gAlice->Field()->Integ(); |
362 | Float_t sxmgmx = gAlice->Field()->Max(); | |
77289c85 | 363 | |
364 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; | |
365 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
366 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
367 | ||
368 | Float_t epsil, stmin, tmaxfd, deemax, stemax; | |
369 | ||
370 | // STEEL | |
371 | ||
372 | ||
373 | // --- Define the various materials for GEANT --- | |
374 | AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7); | |
375 | AliMaterial(4, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 18.5); | |
376 | AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16); | |
377 | AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500); | |
378 | AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
379 | ||
380 | // **************** | |
381 | // Defines tracking media parameters. | |
382 | // Les valeurs sont commentees pour laisser le defaut | |
383 | // a GEANT (version 3-21, page CONS200), f.m. | |
384 | epsil = .001; // Tracking precision, | |
385 | stemax = -1.; // Maximum displacement for multiple scat | |
386 | tmaxfd = -20.; // Maximum angle due to field deflection | |
387 | deemax = -.3; // Maximum fractional energy loss, DLS | |
388 | stmin = -.8; | |
389 | ||
390 | // Air | |
391 | ||
b43eb0dc | 392 | AliMedium(15, "AIR_L3_US", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
77289c85 | 393 | |
394 | // Beryllium | |
395 | ||
b43eb0dc | 396 | AliMedium(5, "BE_L3_US", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
77289c85 | 397 | |
398 | ||
399 | // Aluminium | |
400 | ||
b43eb0dc | 401 | AliMedium(4, "AL_L3_US", 4, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
77289c85 | 402 | |
403 | // Vacuum | |
404 | ||
b43eb0dc | 405 | AliMedium(16, "VA_L3_US", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
77289c85 | 406 | |
407 | // Steel | |
408 | ||
b43eb0dc | 409 | AliMedium(19, "ST_L3_US", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
77289c85 | 410 | } |
411 | // | |
412 | void AliPIPEv3::Undulation(char *undul, Float_t pitch, Float_t thick, | |
413 | Float_t zundul, Float_t rundul, char (*cone)[5]) | |
414 | { | |
415 | // | |
416 | // RUNDUL : Internal radius of the undulated chamber | |
417 | // THICK : material thickness | |
418 | // PITCH : one-QUARTER wave of undulation (cm) | |
419 | // ZUNDUL : half length (cm) | |
420 | // | |
421 | // The undulated structure is desgned as a superposition of eight CONES | |
422 | // of suitable sizes, where the inner/outer radius of the cone increases, | |
423 | // then decreases, each half of the wave is assumed to be a semicircle, | |
424 | // which allows to calculate the thickness and the radii of the cone, by | |
425 | // dividing the semicircle into 4 parts of equal arc length. | |
426 | // Thus apear the constants 0.293 and 0.707. | |
427 | // | |
428 | ||
b43eb0dc | 429 | const Float_t kConst1 = .293; |
430 | const Float_t kConst2 = .707; | |
77289c85 | 431 | |
77289c85 | 432 | // Local variables |
433 | Int_t j, nwave; | |
434 | Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5], | |
435 | dcone6[5], dcone7[5], dcone8[5]; | |
436 | Float_t xc, yc, zc, dundul[3]; | |
ad51aeb0 | 437 | Int_t *idtmed = fIdtmed->GetArray()-1999; |
77289c85 | 438 | |
439 | // Function Body | |
440 | ||
b43eb0dc | 441 | dcone1[0] = kConst1 * pitch / 2; |
77289c85 | 442 | dcone1[1] = rundul; |
443 | dcone1[2] = dcone1[1] + thick; | |
b43eb0dc | 444 | dcone1[3] = dcone1[1] + kConst2 * pitch; |
77289c85 | 445 | dcone1[4] = dcone1[3] + thick; |
446 | ||
b43eb0dc | 447 | dcone2[0] = kConst2 * pitch / 2; |
77289c85 | 448 | dcone2[1] = dcone1[3]; |
449 | dcone2[2] = dcone1[4]; | |
b43eb0dc | 450 | dcone2[3] = dcone2[1] + kConst1 * pitch; |
77289c85 | 451 | dcone2[4] = dcone2[3] + thick; |
452 | ||
453 | dcone3[0] = dcone2[0]; | |
454 | dcone3[1] = dcone2[3]; | |
455 | dcone3[2] = dcone2[4]; | |
456 | dcone3[3] = dcone2[1]; | |
457 | dcone3[4] = dcone2[2]; | |
458 | ||
459 | dcone4[0] = dcone1[0]; | |
460 | dcone4[1] = dcone1[3]; | |
461 | dcone4[2] = dcone1[4]; | |
462 | dcone4[3] = dcone1[1]; | |
463 | dcone4[4] = dcone1[2]; | |
464 | ||
465 | dcone5[0] = dcone1[0]; | |
466 | dcone5[1] = dcone1[1] - thick; | |
467 | dcone5[2] = dcone1[1]; | |
b43eb0dc | 468 | dcone5[3] = dcone5[1] - kConst2 * pitch; |
77289c85 | 469 | dcone5[4] = dcone5[3] + thick; |
470 | ||
471 | dcone6[0] = dcone2[0]; | |
472 | dcone6[1] = dcone5[3]; | |
473 | dcone6[2] = dcone5[4]; | |
b43eb0dc | 474 | dcone6[3] = dcone6[1] - kConst1 * pitch; |
77289c85 | 475 | dcone6[4] = dcone6[3] + thick; |
476 | dcone7[0] = dcone6[0]; | |
477 | dcone7[1] = dcone6[3]; | |
478 | dcone7[2] = dcone6[4]; | |
479 | dcone7[3] = dcone5[3]; | |
480 | dcone7[4] = dcone5[4]; | |
481 | ||
482 | dcone8[0] = dcone5[0]; | |
483 | dcone8[1] = dcone7[3]; | |
484 | dcone8[2] = dcone7[4]; | |
485 | dcone8[3] = dcone5[1]; | |
486 | dcone8[4] = dcone5[2]; | |
487 | ||
a2ff21a6 | 488 | gMC->Gsvolu(cone[0], "CONE", idtmed[2018], dcone1, 5); |
489 | gMC->Gsvolu(cone[1], "CONE", idtmed[2018], dcone2, 5); | |
490 | gMC->Gsvolu(cone[2], "CONE", idtmed[2018], dcone3, 5); | |
491 | gMC->Gsvolu(cone[3], "CONE", idtmed[2018], dcone4, 5); | |
492 | gMC->Gsvolu(cone[4], "CONE", idtmed[2018], dcone5, 5); | |
493 | gMC->Gsvolu(cone[5], "CONE", idtmed[2018], dcone6, 5); | |
494 | gMC->Gsvolu(cone[6], "CONE", idtmed[2018], dcone7, 5); | |
495 | gMC->Gsvolu(cone[7], "CONE", idtmed[2018], dcone8, 5); | |
cfce8870 | 496 | gMC->Gsatt(cone[0], "SEEN", 0); |
497 | gMC->Gsatt(cone[1], "SEEN", 0); | |
498 | gMC->Gsatt(cone[2], "SEEN", 0); | |
499 | gMC->Gsatt(cone[3], "SEEN", 0); | |
500 | gMC->Gsatt(cone[4], "SEEN", 0); | |
501 | gMC->Gsatt(cone[5], "SEEN", 0); | |
502 | gMC->Gsatt(cone[6], "SEEN", 0); | |
503 | gMC->Gsatt(cone[7], "SEEN", 0); | |
77289c85 | 504 | |
505 | // DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM | |
506 | ||
507 | nwave = Int_t (zundul / (pitch * 2) + .1); | |
508 | dundul[2] = pitch * 2 * nwave; | |
509 | dundul[1] = rundul + pitch + thick * 2; | |
510 | // | |
511 | dundul[0] = 1e-4; | |
cfce8870 | 512 | gMC->Gsvolu(undul, "TUBE", idtmed[2015], dundul, 3); |
77289c85 | 513 | |
514 | xc = 0; | |
515 | yc = 0; | |
516 | zc = -dundul[2] + dcone1[0]; | |
517 | for (j = 1; j <= nwave; ++j) { | |
cfce8870 | 518 | gMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY"); |
77289c85 | 519 | zc = zc + dcone1[0] + dcone2[0]; |
cfce8870 | 520 | gMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY"); |
77289c85 | 521 | zc = zc + dcone2[0] + dcone3[0]; |
cfce8870 | 522 | gMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY"); |
77289c85 | 523 | zc = zc + dcone3[0] + dcone4[0]; |
cfce8870 | 524 | gMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY"); |
77289c85 | 525 | zc = zc + dcone4[0] + dcone5[0]; |
cfce8870 | 526 | gMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY"); |
77289c85 | 527 | zc = zc + dcone5[0] + dcone6[0]; |
cfce8870 | 528 | gMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY"); |
77289c85 | 529 | zc = zc + dcone6[0] + dcone7[0]; |
cfce8870 | 530 | gMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY"); |
77289c85 | 531 | zc = zc + dcone7[0] + dcone8[0]; |
cfce8870 | 532 | gMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY"); |
77289c85 | 533 | zc = zc + dcone8[0] + dcone1[0]; |
534 | } | |
535 | } |