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2b680d9b | 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 | ||
16 | /* | |
17 | $Log$ | |
dfefbaec | 18 | Revision 1.1 2003/01/20 23:32:49 nilsen |
19 | New ITS geometry. Only a Skeleton for now. | |
20 | ||
2b680d9b | 21 | $Id$ |
22 | */ | |
23 | ||
24 | ////////////////////////////////////////////////////////////////////////////// | |
25 | // // | |
26 | // Inner Traking System version 11 // | |
27 | // This class contains the base procedures for the Inner Tracking System // | |
28 | // // | |
29 | // Authors: R. Barbera // | |
30 | // version 6. // | |
31 | // Created 2000. // | |
32 | // // | |
33 | // NOTE: THIS IS THE SYMMETRIC PPR geometry of the ITS. // | |
34 | // THIS WILL NOT WORK // | |
35 | // with the geometry or module classes or any analysis classes. You are // | |
36 | // strongly encouraged to uses AliITSv5. // | |
37 | // // | |
38 | ////////////////////////////////////////////////////////////////////////////// | |
39 | // See AliITSv11::StepManager(). | |
40 | #include <Riostream.h> | |
41 | #include <stdio.h> | |
42 | #include <stdlib.h> | |
43 | #include <TMath.h> | |
44 | #include <TGeometry.h> | |
45 | #include <TNode.h> | |
46 | #include <TTUBE.h> | |
47 | #include <TTUBS.h> | |
48 | #include <TPCON.h> | |
49 | #include <TFile.h> // only required for Tracking function? | |
50 | #include <TCanvas.h> | |
51 | #include <TObjArray.h> | |
52 | #include <TLorentzVector.h> | |
53 | #include <TObjString.h> | |
54 | #include <TClonesArray.h> | |
55 | #include <TBRIK.h> | |
56 | #include <TSystem.h> | |
57 | ||
58 | ||
59 | #include "AliRun.h" | |
60 | #include "AliMagF.h" | |
61 | #include "AliConst.h" | |
62 | #include "AliITSGeant3Geometry.h" | |
63 | #include "AliITShit.h" | |
64 | #include "AliITS.h" | |
65 | #include "AliITSv11.h" | |
66 | #include "AliITSgeom.h" | |
67 | #include "AliITSgeomSPD.h" | |
68 | #include "AliITSgeomSDD.h" | |
69 | #include "AliITSgeomSSD.h" | |
70 | #include "AliITSDetType.h" | |
71 | #include "AliITSresponseSPD.h" | |
72 | #include "AliITSresponseSDD.h" | |
73 | #include "AliITSresponseSSD.h" | |
74 | #include "AliITSsegmentationSPD.h" | |
75 | #include "AliITSsegmentationSDD.h" | |
76 | #include "AliITSsegmentationSSD.h" | |
77 | #include "AliITSsimulationSPD.h" | |
78 | #include "AliITSsimulationSDD.h" | |
79 | #include "AliITSsimulationSSD.h" | |
80 | #include "AliITSClusterFinderSPD.h" | |
81 | #include "AliITSClusterFinderSDD.h" | |
82 | #include "AliITSClusterFinderSSD.h" | |
83 | ||
84 | ||
85 | ClassImp(AliITSv11) | |
86 | ||
87 | //______________________________________________________________________ | |
88 | AliITSv11::AliITSv11() : AliITS() { | |
dfefbaec | 89 | //////////////////////////////////////////////////////////////////////// |
90 | // Standard default constructor for the ITS version 11. | |
91 | //////////////////////////////////////////////////////////////////////// | |
2b680d9b | 92 | } |
93 | //______________________________________________________________________ | |
94 | AliITSv11::AliITSv11(const char *title) : AliITS("ITS", title){ | |
dfefbaec | 95 | //////////////////////////////////////////////////////////////////////// |
96 | // Standard constructor for the ITS version 11. | |
97 | //////////////////////////////////////////////////////////////////////// | |
2b680d9b | 98 | } |
99 | //______________________________________________________________________ | |
100 | AliITSv11::~AliITSv11() { | |
dfefbaec | 101 | //////////////////////////////////////////////////////////////////////// |
102 | // Standard destructor for the ITS version 11. | |
103 | //////////////////////////////////////////////////////////////////////// | |
2b680d9b | 104 | } |
105 | //______________________________________________________________________ | |
106 | void AliITSv11::Box(const char gnam[3],const TString &dis, | |
107 | Double_t dx,Double_t dy,Double_t dz,Int_t med){ | |
108 | // Interface to TMC->Gsvolu() for ITS bos geometries. Box with faces | |
109 | // perpendicular to the axes. It has 3 paramters. See SetScale() for | |
110 | // units. Default units are geant 3 [cm]. | |
111 | // Inputs: | |
112 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
113 | // is appended to the front to indecate that this | |
114 | // is an ITS volume. | |
115 | // TString &dis String containging part discription. | |
116 | // Double_t dx half-length of box in x-axis | |
117 | // Double_t dy half-length of box in y-axis | |
118 | // Double_t dz half-length of box in z-axis | |
119 | // Int_t med media index number. | |
120 | // Output: | |
121 | // none. | |
122 | // Return. | |
123 | // none. | |
124 | char name[4]; | |
125 | Float_t param[3]; | |
126 | ||
127 | param[0] = fScale*dx; | |
128 | param[1] = fScale*dy; | |
129 | param[2] = fScale*dz; | |
130 | name[0] = 'I'; | |
131 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
132 | gMC->Gsvolu(name,"BOX ",fidmed[med],param,3); | |
133 | } | |
134 | //______________________________________________________________________ | |
135 | void AliITSv11::Trapezoid1(const char gnam[3],const TString &dis, | |
136 | Double_t dxn,Double_t dxp,Double_t dy,Double_t dz, | |
137 | Int_t med){ | |
138 | // Interface to TMC->Gsvolu() for ITS TRD1 geometries. Trapezoid with the | |
139 | // x dimension varing along z. It has 4 parameters. See SetScale() for | |
140 | // units. Default units are geant 3 [cm]. | |
141 | // Inputs: | |
142 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
143 | // is appended to the front to indecate that this | |
144 | // is an ITS volume. | |
145 | // TString &dis String containging part discription. | |
146 | // Double_t dxn half-length along x at the z surface positioned | |
147 | // at -DZ | |
148 | // Double_t dxp half-length along x at the z surface positioned | |
149 | // at +DZ | |
150 | // Double_t dy half-length along the y-axis | |
151 | // Double_t dz half-length along the z-axis | |
152 | // Int_t med media index number. | |
153 | // Output: | |
154 | // none. | |
155 | // Return. | |
156 | // none. | |
157 | char name[4]; | |
158 | Float_t param[4]; | |
159 | ||
160 | param[0] = fScale*dxn; | |
161 | param[1] = fScale*dxp; | |
162 | param[2] = fScale*dy; | |
163 | param[3] = fScale*dz; | |
164 | name[0] = 'I'; | |
165 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
166 | gMC->Gsvolu(name,"TRD1",fidmed[med],param,4); | |
167 | } | |
168 | //______________________________________________________________________ | |
169 | void AliITSv11::Trapezoid2(const char gnam[3],const TString &dis,Double_t dxn, | |
170 | Double_t dxp,Double_t dyn,Double_t dyp,Double_t dz, | |
171 | Int_t med){ | |
172 | // Interface to TMC->Gsvolu() for ITS TRD2 geometries. Trapezoid with the | |
173 | // x and y dimension varing along z. It has 5 parameters. See SetScale() | |
174 | // for units. Default units are geant 3 [cm]. | |
175 | // Inputs: | |
176 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
177 | // is appended to the front to indecate that this | |
178 | // is an ITS volume. | |
179 | // TString &dis String containging part discription. | |
180 | // Double_t dxn half-length along x at the z surface positioned | |
181 | // at -DZ | |
182 | // Double_t dxp half-length along x at the z surface positioned | |
183 | // at +DZ | |
184 | // Double_t dyn half-length along x at the z surface positioned | |
185 | // at -DZ | |
186 | // Double_t dyp half-length along x at the z surface positioned | |
187 | // at +DZ | |
188 | // Double_t dz half-length along the z-axis | |
189 | // Int_t med media index number. | |
190 | // Output: | |
191 | // none. | |
192 | // Return. | |
193 | // none. | |
194 | char name[4]; | |
195 | Float_t param[5]; | |
196 | ||
197 | param[0] = fScale*dxn; | |
198 | param[1] = fScale*dxp; | |
199 | param[2] = fScale*dyn; | |
200 | param[3] = fScale*dyp; | |
201 | param[4] = fScale*dz; | |
202 | name[0] = 'I'; | |
203 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
204 | gMC->Gsvolu(name,"TRD2",fidmed[med],param,5); | |
205 | } | |
206 | //______________________________________________________________________ | |
207 | void AliITSv11::Trapezoid(const char gnam[3],const TString &dis,Double_t dz, | |
208 | Double_t thet,Double_t phi,Double_t h1,Double_t bl1, | |
209 | Double_t tl1,Double_t alp1,Double_t h2,Double_t bl2, | |
210 | Double_t tl2,Double_t alp2,Int_t med){ | |
211 | // Interface to TMC->Gsvolu() for ITS TRAP geometries. General Trapezoid, | |
212 | // The faces perpendicular to z are trapezia and their centers are not | |
213 | // necessarily on a line parallel to the z axis. This shape has 11 | |
214 | // parameters, but only cosidering that the faces should be planar, only 9 | |
215 | // are really independent. A check is performed on the user parameters and | |
216 | // a message is printed in case of non-planar faces. Ignoring this warning | |
217 | // may cause unpredictable effects at tracking time. See SetScale() | |
218 | // for units. Default units are geant 3 [cm]. | |
219 | // Inputs: | |
220 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
221 | // is appended to the front to indecate that this | |
222 | // is an ITS volume. | |
223 | // TString &dis String containging part discription. | |
224 | // Double_t dz Half-length along the z-asix | |
225 | // Double_t thet Polar angle of the line joing the center of the | |
226 | // face at -dz to the center of the one at dz | |
227 | // [degree]. | |
228 | // Double_t phi aximuthal angle of the line joing the center of | |
229 | // the face at -dz to the center of the one at +dz | |
230 | // [degree]. | |
231 | // Double_t h1 half-length along y of the face at -dz. | |
232 | // Double_t bl1 half-length along x of the side at -h1 in y of | |
233 | // the face at -dz in z. | |
234 | // Double_t tl1 half-length along x of teh side at +h1 in y of | |
235 | // the face at -dz in z. | |
236 | // Double_t alp1 angle with respect to the y axis from the center | |
237 | // of the side at -h1 in y to the cetner of the | |
238 | // side at +h1 in y of the face at -dz in z | |
239 | // [degree]. | |
240 | // Double_t h2 half-length along y of the face at +dz | |
241 | // Double_t bl2 half-length along x of the side at -h2 in y of | |
242 | // the face at +dz in z. | |
243 | // Double_t tl2 half-length along x of the side at _h2 in y of | |
244 | // the face at +dz in z. | |
245 | // Double_t alp2 angle with respect to the y axis from the center | |
246 | // of the side at -h2 in y to the center of the | |
247 | // side at +h2 in y of the face at +dz in z | |
248 | // [degree]. | |
249 | // Int_t med media index number. | |
250 | // Output: | |
251 | // none. | |
252 | // Return. | |
253 | // none. | |
254 | char name[4]; | |
255 | Float_t param[11]; | |
256 | ||
257 | param[0] = fScale*dz; | |
258 | param[1] = thet; | |
259 | param[2] = phi; | |
260 | param[3] = fScale*h1; | |
261 | param[4] = fScale*bl1; | |
262 | param[5] = fScale*tl1; | |
263 | param[6] = alp1; | |
264 | param[7] = fScale*h2; | |
265 | param[8] = fScale*bl2; | |
266 | param[9] = fScale*tl2; | |
267 | param[10] = alp2; | |
268 | name[0] = 'I'; | |
269 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
270 | gMC->Gsvolu(name,"TRAP",fidmed[med],param,11); | |
271 | } | |
272 | //______________________________________________________________________ | |
273 | void AliITSv11::Tube(const char gnam[3],const TString &dis,Double_t rmin, | |
274 | Double_t rmax,Double_t dz,Int_t med){ | |
275 | // Interface to TMC->Gsvolu() for ITS TUBE geometries. Simple Tube. It has | |
276 | // 3 parameters. See SetScale() | |
277 | // for units. Default units are geant 3 [cm]. | |
278 | // Inputs: | |
279 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
280 | // is appended to the front to indecate that this | |
281 | // is an ITS volume. | |
282 | // TString &dis String containging part discription. | |
283 | // Double_t rmin Inside Radius. | |
284 | // Double_t rmax Outside Radius. | |
285 | // Double_t dz half-length along the z-axis | |
286 | // Int_t med media index number. | |
287 | // Output: | |
288 | // none. | |
289 | // Return. | |
290 | // none. | |
291 | char name[4]; | |
292 | Float_t param[3]; | |
293 | ||
294 | param[0] = fScale*rmin; | |
295 | param[1] = fScale*rmax; | |
296 | param[2] = fScale*dz; | |
297 | name[0] = 'I'; | |
298 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
299 | gMC->Gsvolu(name,"TUBE",fidmed[med],param,3); | |
300 | } | |
301 | //______________________________________________________________________ | |
302 | void AliITSv11::TubeSegment(const char gnam[3],const TString &dis, | |
303 | Double_t rmin,Double_t rmax,Double_t dz, | |
304 | Double_t phi1,Double_t phi2,Int_t med){ | |
305 | // Interface to TMC->Gsvolu() for ITS TUBE geometries. Phi segment of a | |
306 | // tube. It has 5 parameters. Phi1 should be smaller than phi2. If this is | |
307 | // not the case, the system adds 360 degrees to phi2. See SetScale() | |
308 | // for units. Default units are geant 3 [cm]. | |
309 | // Inputs: | |
310 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
311 | // is appended to the front to indecate that this | |
312 | // is an ITS volume. | |
313 | // TString &dis String containging part discription. | |
314 | // Double_t rmin Inside Radius. | |
315 | // Double_t rmax Outside Radius. | |
316 | // Double_t dz half-length along the z-axis | |
317 | // Double_t phi1 Starting angle of the segment [degree]. | |
318 | // Double_t phi2 Ending angle of the segment [degree]. | |
319 | // Int_t med media index number. | |
320 | // Output: | |
321 | // none. | |
322 | // Return. | |
323 | // none. | |
324 | char name[4]; | |
325 | Float_t param[5]; | |
326 | ||
327 | param[0] = fScale*rmin; | |
328 | param[1] = fScale*rmax; | |
329 | param[2] = fScale*dz; | |
330 | param[3] = phi1; | |
331 | param[4] = phi2; | |
332 | name[0] = 'I'; | |
333 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
334 | gMC->Gsvolu(name,"TUBS",fidmed[med],param,5); | |
335 | } | |
336 | //______________________________________________________________________ | |
337 | void AliITSv11::Cone(const char gnam[3],const TString &dis,Double_t dz, | |
338 | Double_t rmin1,Double_t rmax1,Double_t rmin2, | |
339 | Double_t rmax2,Int_t med){ | |
340 | // Interface to TMC->Gsvolu() for ITS Cone geometries. Conical tube. It | |
341 | // has 5 parameters. See SetScale() | |
342 | // for units. Default units are geant 3 [cm]. | |
343 | // Inputs: | |
344 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
345 | // is appended to the front to indecate that this | |
346 | // is an ITS volume. | |
347 | // TString &dis String containging part discription. | |
348 | // Double_t dz half-length along the z-axis | |
349 | // Double_t rmin1 Inside Radius at -dz. | |
350 | // Double_t rmax1 Outside Radius at -dz. | |
351 | // Double_t rmin2 inside radius at +dz. | |
352 | // Double_t rmax2 outside radius at +dz. | |
353 | // Int_t med media index number. | |
354 | // Output: | |
355 | // none. | |
356 | // Return. | |
357 | // none. | |
358 | char name[4]; | |
359 | Float_t param[5]; | |
360 | ||
361 | param[0] = fScale*dz; | |
362 | param[1] = fScale*rmin1; | |
363 | param[2] = fScale*rmax1; | |
364 | param[3] = fScale*rmin2; | |
365 | param[4] = fScale*rmax2; | |
366 | name[0] = 'I'; | |
367 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
368 | gMC->Gsvolu(name,"CONS",fidmed[med],param,5); | |
369 | } | |
370 | //______________________________________________________________________ | |
371 | void AliITSv11::ConeSegment(const char gnam[3],const TString &dis,Double_t dz, | |
372 | Double_t rmin1,Double_t rmax1,Double_t rmin2, | |
373 | Double_t rmax2,Double_t phi1,Double_t phi2, | |
374 | Int_t med){ | |
375 | // Interface to TMC->Gsvolu() for ITS ConS geometries. One segment of a | |
376 | // conical tube. It has 7 parameters. Phi1 should be smaller than phi2. If | |
377 | // this is not the case, the system adds 360 degrees to phi2. See | |
378 | // SetScale() for units. Default units are geant 3 [cm]. | |
379 | // Inputs: | |
380 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
381 | // is appended to the front to indecate that this | |
382 | // is an ITS volume. | |
383 | // TString &dis String containging part discription. | |
384 | // Double_t dz half-length along the z-axis | |
385 | // Double_t rmin1 Inside Radius at -dz. | |
386 | // Double_t rmax1 Outside Radius at -dz. | |
387 | // Double_t rmin2 inside radius at +dz. | |
388 | // Double_t rmax2 outside radius at +dz. | |
389 | // Double_t phi1 Starting angle of the segment [degree]. | |
390 | // Double_t phi2 Ending angle of the segment [degree]. | |
391 | // Int_t med media index number. | |
392 | // Output: | |
393 | // none. | |
394 | // Return. | |
395 | // none. | |
396 | char name[4]; | |
397 | Float_t param[7]; | |
398 | ||
399 | param[0] = fScale*dz; | |
400 | param[1] = fScale*rmin1; | |
401 | param[2] = fScale*rmax1; | |
402 | param[3] = fScale*rmin2; | |
403 | param[4] = fScale*rmax2; | |
404 | param[5] = phi1; | |
405 | param[6] = phi2; | |
406 | name[0] = 'I'; | |
407 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
408 | gMC->Gsvolu(name,"CONS",fidmed[med],param,7); | |
409 | } | |
410 | //______________________________________________________________________ | |
411 | void AliITSv11::Sphere(const char gnam[3],const TString &dis,Double_t rmin, | |
412 | Double_t rmax,Double_t the1,Double_t the2,Double_t phi1, | |
413 | Double_t phi2,Int_t med){ | |
414 | // Interface to TMC->Gsvolu() for ITS SPHE geometries. Segment of a | |
415 | // sphereical shell. It has 6 parameters. See SetScale() | |
416 | // for units. Default units are geant 3 [cm]. | |
417 | // Inputs: | |
418 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
419 | // is appended to the front to indecate that this | |
420 | // is an ITS volume. | |
421 | // TString &dis String containging part discription. | |
422 | // Double_t rmin Inside Radius. | |
423 | // Double_t rmax Outside Radius. | |
424 | // Double_t the1 staring polar angle of the shell [degree]. | |
425 | // Double_t the2 ending polar angle of the shell [degree]. | |
426 | // Double_t phui staring asimuthal angle of the shell [degree]. | |
427 | // Double_t phi2 ending asimuthal angle of the shell [degree]. | |
428 | // Int_t med media index number. | |
429 | // Output: | |
430 | // none. | |
431 | // Return. | |
432 | // none. | |
433 | char name[4]; | |
434 | Float_t param[6]; | |
435 | ||
436 | param[0] = fScale*rmin; | |
437 | param[1] = fScale*rmax; | |
438 | param[2] = the1; | |
439 | param[3] = the2; | |
440 | param[4] = phi1; | |
441 | param[5] = phi2; | |
442 | name[0] = 'I'; | |
443 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
444 | gMC->Gsvolu(name,"SPHE",fidmed[med],param,6); | |
445 | } | |
446 | //______________________________________________________________________ | |
447 | void AliITSv11::Parallelepiped(const char gnam[3],const TString &dis, | |
448 | Double_t dx,Double_t dy,Double_t dz, | |
449 | Double_t alph,Double_t thet,Double_t phi, | |
450 | Int_t med){ | |
451 | // Interface to TMC->Gsvolu() for ITS PARA geometries. Parallelepiped. It | |
452 | // has 6 parameters. See SetScale() for units. Default units are geant 3 | |
453 | // [cm]. | |
454 | // Inputs: | |
455 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
456 | // is appended to the front to indecate that this | |
457 | // is an ITS volume. | |
458 | // TString &dis String containging part discription. | |
459 | // Double_t dx half-length allong x-axis | |
460 | // Double_t dy half-length allong y-axis | |
461 | // Double_t dz half-length allong z-axis | |
462 | // Double_t alpha angle formed by the y axis and by the plane | |
463 | // joining the center of teh faces parallel to the | |
464 | // z-x plane at -dY and +dy [degree]. | |
465 | // Double_t thet polar angle of the line joining the centers of | |
466 | // the faces at -dz and +dz in z [degree]. | |
467 | // Double_t phi azimuthal angle of teh line joing the centers of | |
468 | // the faaces at -dz and +dz in z [degree]. | |
469 | // Int_t med media index number. | |
470 | // Output: | |
471 | // none. | |
472 | // Return. | |
473 | // none. | |
474 | char name[4]; | |
475 | Float_t param[6]; | |
476 | ||
477 | param[0] = fScale*dx; | |
478 | param[1] = fScale*dy; | |
479 | param[2] = fScale*dz; | |
480 | param[3] = alpha; | |
481 | param[4] = thet; | |
482 | param[5] = phi; | |
483 | name[0] = 'I'; | |
484 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
485 | gMC->Gsvolu(name,"PARA",fidmed[med],param,6); | |
486 | } | |
487 | //______________________________________________________________________ | |
488 | void AliITSv11::Polygon(const char gnam[3],const TString &dis,Double_t phi1, | |
489 | Double_t dphi,Int_t npdv,Int_t nz,Double_t *z, | |
490 | Double_t *rmin,Double_t *rmax,Double_t ,Int_t med){ | |
491 | // Interface to TMC->Gsvolu() for ITS PGON geometry. Polygon It has 10 | |
492 | // parameters or more. See SetScale() for units. Default units are geant 3 | |
493 | // [cm]. | |
494 | // Inputs: | |
495 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
496 | // is appended to the front to indecate that this | |
497 | // is an ITS volume. | |
498 | // TString &dis String containging part discription. | |
499 | // Double_t phi1 the azimuthal angle at which the volume begins | |
500 | // (angles are counted clouterclockwise) [degrees]. | |
501 | // Double_t dphi opening angle of the volume, which extends from | |
502 | // phi1 to phi1+dphi [degree]. | |
503 | // Int_t npdv the number of sides of teh cross section between | |
504 | // the given phi limits. | |
505 | // Int_t nz number of planes perpendicular to the z axis | |
506 | // where the dimension of the section is given - | |
507 | // this number should be at least 2 and NP triples | |
508 | // of number must follow. | |
509 | // Double_t *z array [nz] of z coordiates of the sections.. | |
510 | // Double_t *rmin array [nz] of radius of teh circle tangent to | |
511 | // the sides of the inner polygon in teh | |
512 | // cross-section. | |
513 | // Double_t *rmax array [nz] of radius of the circle tangent to | |
514 | // the sides of the outer polygon in the | |
515 | // cross-section. | |
516 | // Int_t med media index number. | |
517 | // Output: | |
518 | // none. | |
519 | // Return. | |
520 | // none. | |
521 | char name[4]; | |
522 | Float_t *param; | |
523 | Int_t n,i; | |
524 | ||
525 | n = 4+3*nz; | |
526 | param = new Float_t[n] | |
527 | param[0] = phi1; | |
528 | param[1] = dphi; | |
529 | param[2] = (Float_t)npdv; | |
530 | param[3] = (Float_t)nz; | |
531 | for(i=0;i<nz;i++){ | |
532 | param[4+3*i] = z[i]; | |
533 | param[5+3*i] = rmin[i]; | |
534 | param[6+3*i] = rmax[i]; | |
535 | } // end for i | |
536 | name[0] = 'I'; | |
537 | for(i=0;i<3;i++) name[i+1] = gnam[i]; | |
538 | gMC->Gsvolu(name,"PGON",fidmed[med],param,n); | |
539 | ||
540 | delete[] param; | |
541 | } | |
542 | //______________________________________________________________________ | |
543 | void AliITSv11::PolyCone(const char gnam[3],const TString &dis,Double_t phi1, | |
544 | Double_t dphi,Int_t nz,Double_t *z,Double_t *rmin, | |
545 | Double_t *rmax,Int_t med){ | |
546 | // Interface to TMC->Gsvolu() for ITS PCON geometry. Poly-cone It has 9 | |
547 | // parameters or more. See SetScale() for units. Default units are geant 3 | |
548 | // [cm]. | |
549 | // Inputs: | |
550 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
551 | // is appended to the front to indecate that this | |
552 | // is an ITS volume. | |
553 | // TString &dis String containging part discription. | |
554 | // Double_t phi1 the azimuthal angle at which the volume begins | |
555 | // (angles are counted clouterclockwise) [degrees]. | |
556 | // Double_t dphi opening angle of the volume, which extends from | |
557 | // phi1 to phi1+dphi [degree]. | |
558 | // Int_t nz number of planes perpendicular to the z axis | |
559 | // where the dimension of the section is given - | |
560 | // this number should be at least 2 and NP triples | |
561 | // of number must follow. | |
562 | // Double_t *z Array [nz] of z coordinate of the section. | |
563 | // Double_t *rmin Array [nz] of radius of teh inner circle in the | |
564 | // cross-section. | |
565 | // Double_t *rmax Array [nz] of radius of the outer circle in the | |
566 | // cross-section. | |
567 | // Int_t med media index number. | |
568 | // Output: | |
569 | // none. | |
570 | // Return. | |
571 | // none. | |
572 | char name[4]; | |
573 | Float_t *param; | |
574 | Int_t n,i; | |
575 | ||
576 | n = 3+3*nz; | |
577 | param = new Float_t[n]; | |
578 | param[0] = phi1; | |
579 | param[1] = dphi; | |
580 | param[2] = (Float_t) nz; | |
581 | for(i=0;i<nz;i++){ | |
582 | param[3+3*i] = z[i]; | |
583 | param[4+3*i] = rmin[i]; | |
584 | param[5+3*i] = rmax[i]; | |
585 | } // end for i | |
586 | name[0] = 'I'; | |
587 | for(i=0;i<3;i++) name[i+1] = gnam[i]; | |
588 | gMC->Gsvolu(name,"PCON",fidmed[med],param,n); | |
589 | ||
590 | delete[] param; | |
591 | } | |
592 | //______________________________________________________________________ | |
593 | void AliITSv11::TubeElliptical(const char gnam[3],const TString &dis, | |
594 | Double_t p1,Double_t p2,Double_t dz,Int_t med){ | |
595 | // Interface to TMC->Gsvolu() for ITS ELTU geometries. Elliptical | |
596 | // cross-section Tube. It has 3 parameters. See SetScale() | |
597 | // for units. Default units are geant 3 [cm]. The equation of the surface | |
598 | // is x^2 * p1^-2 + y^2 * p2^-2 = 1. | |
599 | // Inputs: | |
600 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
601 | // is appended to the front to indecate that this | |
602 | // is an ITS volume. | |
603 | // TString &dis String containging part discription. | |
604 | // Double_t p1 semi-axis of the elipse along x. | |
605 | // Double_t p2 semi-axis of the elipse along y. | |
606 | // Double_t dz half-length along the z-axis | |
607 | // Int_t med media index number. | |
608 | // Output: | |
609 | // none. | |
610 | // Return. | |
611 | // none. | |
612 | char name[4]; | |
613 | Float_t param[3]; | |
614 | ||
615 | param[0] = fScale*p1; | |
616 | param[1] = fScale*p2; | |
617 | param[2] = fScale*dz; | |
618 | name[0] = 'I'; | |
619 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
620 | gMC->Gsvolu(name,"ELTU",fidmed[med],param,3); | |
621 | } | |
622 | //______________________________________________________________________ | |
623 | void AliITSv11::HyperbolicTube(const char gnam[3],const TString &dis, | |
624 | Double_t rmin,Double_t rmax,Double_t dz, | |
625 | Double_t thet,Int_t med){ | |
626 | // Interface to TMC->Gsvolu() for ITS HYPE geometries. Hyperbolic tube. | |
627 | // Fore example the inner and outer surfaces are hyperboloids, as would be | |
628 | // foumed by a system of cylinderical wires which were then rotated | |
629 | // tangentially about their centers. It has 4 parameters. See SetScale() | |
630 | // for units. Default units are geant 3 [cm]. The hyperbolic surfaces are | |
631 | // given by r^2 = (ztan(thet)^2 + r(z=0)^2. | |
632 | // Inputs: | |
633 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
634 | // is appended to the front to indecate that this | |
635 | // is an ITS volume. | |
636 | // TString &dis String containging part discription. | |
637 | // Double_t rmin Inner radius at z=0 where tube is narrowest. | |
638 | // Double_t rmax Outer radius at z=0 where tube is narrowest. | |
639 | // Double_t dz half-length along the z-axis | |
640 | // Double_t thet stero angel of rotation of the two faces | |
641 | // [degrees]. | |
642 | // Int_t med media index number. | |
643 | // Output: | |
644 | // none. | |
645 | // Return. | |
646 | // none. | |
647 | char name[4]; | |
648 | Float_t param[4]; | |
649 | ||
650 | param[0] = fScale*rmin; | |
651 | param[1] = fScale*rmax; | |
652 | param[2] = fScale*dz; | |
653 | param[3] = thet; | |
654 | name[0] = 'I'; | |
655 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
656 | gMC->Gsvolu(name,"HYPE",fidmed[med],param,4); | |
657 | } | |
658 | //______________________________________________________________________ | |
659 | void AliITSv11::TwistedTrapezoid(const char gnam[3],const TString &dis, | |
660 | Double_t dz,Double_t thet,Double_t phi, | |
661 | Double_t twist,Double_t h1,Double_t bl1, | |
662 | Double_t tl1,Double_t apl1,Double_t h2, | |
663 | Double_t bl2,Double_t tl2,Double_t apl2, | |
664 | Int_t med){ | |
665 | // Interface to TMC->Gsvolu() for ITS GTRA geometries. General twisted | |
666 | // trapazoid. The faces perpendicular to z are trapazia and their centers | |
667 | // are not necessarily on a line parallel to the z axis as the TRAP. | |
668 | // Additionally, the faces may be twisted so that none of their edges are | |
669 | // parallel. It is a TRAP shape, exept that it is twisted in the x-y plane | |
670 | // as a function of z. The parallel sides perpendicular to the x axis are | |
671 | // rotated with respect to the x axis by an angle TWIST, which is one of | |
672 | // the parameters. The shape is defined by the eight corners and is assumed | |
673 | // to be constructed of straight lines joingin points on the boundry of the | |
674 | // trapezoidal face at Z=-dz to the coresponding points on the face at | |
675 | // z=+dz. Divisions are not allowed. It has 12 parameters. See SetScale() | |
676 | // for units. Default units are geant 3 [cm]. Note: This shape suffers from | |
677 | // the same limitations than the TRAP. The tracking routines assume that | |
678 | // the faces are planar, but htis constraint is not easily expressed in | |
679 | // terms of the 12 parameters. Additionally, no check on th efaces is | |
680 | // performed in this case. Users should avoid to use this shape as much as | |
681 | // possible, and if they have to do so, they should make sure that the | |
682 | // faces are really planes. If this is not the case, the result of the | |
683 | // trasport is unpredictable. To accelerat ethe computations necessary for | |
684 | // trasport, 18 additioanl parameters are calculated for this shape are | |
685 | // 1 DXODZ dx/dz of the line joing the centers of the faces at z=+_dz. | |
686 | // 2 DYODZ dy/dz of the line joing the centers of the faces at z=+_dz. | |
687 | // 3 XO1 x at z=0 for line joing the + on parallel side, perpendicular | |
688 | // corners at z=+_dz. | |
689 | // 4 YO1 y at z=0 for line joing the + on parallel side, + on | |
690 | // perpendicular corners at z=+-dz. | |
691 | // 5 DXDZ1 dx/dz for line joing the + on parallel side, + on | |
692 | // perpendicular corners at z=+-dz. | |
693 | // 6 DYDZ1 dy/dz for line joing the + on parallel side, + on | |
694 | // perpendicular corners at z=+-dz. | |
695 | // 7 X02 x at z=0 for line joing the - on parallel side, + on | |
696 | // perpendicular corners at z=+-dz. | |
697 | // 8 YO2 y at z=0 for line joing the - on parallel side, + on | |
698 | // perpendicular corners at z=+-dz. | |
699 | // 9 DXDZ2 dx/dz for line joing the - on parallel side, + on | |
700 | // perpendicular corners at z=+-dz. | |
701 | // 10 DYDZ2dy/dz for line joing the - on parallel side, + on | |
702 | // perpendicular corners at z=+-dz. | |
703 | // 11 XO3 x at z=0 for line joing the - on parallel side, - on | |
704 | // perpendicular corners at z=+-dz. | |
705 | // 12 YO3 y at z=0 for line joing the - on parallel side, - on | |
706 | // perpendicular corners at z=+-dz. | |
707 | // 13 DXDZ3 dx/dzfor line joing the - on parallel side, - on | |
708 | // perpendicular corners at z=+-dz. | |
709 | // 14 DYDZ3 dydz for line joing the - on parallel side, - on | |
710 | // perpendicular corners at z=+-dz. | |
711 | // 15 XO4 x at z=0 for line joing the + on parallel side, - on | |
712 | // perpendicular corners at z=+-dz. | |
713 | // 16 YO4 y at z=0 for line joing the + on parallel side, - on | |
714 | // perpendicular corners at z=+-dz. | |
715 | // 17 DXDZ4 dx/dz for line joing the + on parallel side, - on | |
716 | // perpendicular corners at z=+-dz. | |
717 | // 18 DYDZ4 dydz for line joing the + on parallel side, - on | |
718 | // perpendicular corners at z=+-dz. | |
719 | // Inputs: | |
720 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
721 | // is appended to the front to indecate that this | |
722 | // is an ITS volume. | |
723 | // TString &dis String containging part discription. | |
724 | // Double_t dz half-length along the z axis. | |
725 | // Double_t thet polar angle of the line joing the center of the | |
726 | // face at -dz to the center of the one at +dz | |
727 | // [degrees]. | |
728 | // Double_t phi Azymuthal angle of teh line joing the centre of | |
729 | // the face at -dz to the center of the one at +dz | |
730 | // [degrees]. | |
731 | // Double_t twist Twist angle of the faces parallel to the x-y | |
732 | // plane at z=+-dz around an axis parallel to z | |
733 | // passing through their centre [degrees]. | |
734 | // Double_t h1 Half-length along y of the face at -dz. | |
735 | // Double_t bl1 half-length along x of the side -h1 in y of the | |
736 | // face at -dz in z. | |
737 | // Double_t tl1 half-length along x of the side at +h1 in y of | |
738 | // the face at -dz in z. | |
739 | // Double_t apl1 Angle with respect to the y ais from the center | |
740 | // of the side at -h1 in y to the centere of the | |
741 | // side at +h1 in y of the face at -dz in z | |
742 | // [degrees]. | |
743 | // Double_t h2 half-length along the face at +dz. | |
744 | // Double_t bl2 half-length along x of the side at -h2 in y of | |
745 | // the face at -dz in z. | |
746 | // Double_t tl2 half-length along x of the side at +h2 in y of | |
747 | // the face at +dz in z. | |
748 | // Double_t apl2 angle with respect to the y axis from the center | |
749 | // of the side at -h2 in y to the center of the side | |
750 | // at +h2 in y of the face at +dz in z [degrees]. | |
751 | // Int_t med media index number. | |
752 | // Output: | |
753 | // none. | |
754 | // Return. | |
755 | // none. | |
756 | char name[4]; | |
757 | Float_t param[12]; | |
758 | ||
759 | param[0] = fScale*dz; | |
760 | param[1] = thet; | |
761 | param[2] = phi; | |
762 | param[3] = twist; | |
763 | param[4] = fScale*h1; | |
764 | param[5] = fScale*bl1; | |
765 | param[6] = fScale*tl1; | |
766 | param[7] = alp1; | |
767 | param[8] = fScale*h2; | |
768 | param[9] = fScale*bl2; | |
769 | param[10] = fScale*tl2; | |
770 | param[11] = alp2; | |
771 | name[0] = 'I'; | |
772 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
773 | gMC->Gsvolu(name,"GTRA",fidmed[med],param,12); | |
774 | } | |
775 | //______________________________________________________________________ | |
776 | void AliITSv11::CutTube(const char gnam[3],const TString &dis,Double_t rmin, | |
777 | Double_t rmax,Double_t dz,Double_t phi1,Double_t phi2, | |
778 | Double_t lx,Double_t ly,Double_t lz,Double_t hx, | |
779 | Double_t hy,Double_t hz,Int_t med){ | |
780 | // Interface to TMC->Gsvolu() for ITS CTUB geometries. Cut tube. A tube cut | |
781 | // at the extremities with planes not necessarily perpendicular tot he z | |
782 | // axis. It has 11 parameters. See SetScale() for units. Default units are | |
783 | // geant 3 [cm]. phi1 should be smaller than phi2. If this is not the case, | |
784 | // the system adds 360 degrees to phi2. | |
785 | // Inputs: | |
786 | // const char gnam[3] 3 character geant volume name. The letter "I" | |
787 | // is appended to the front to indecate that this | |
788 | // is an ITS volume. | |
789 | // TString &dis String containging part discription. | |
790 | // Double_t rmin Inner radius at z=0 where tube is narrowest. | |
791 | // Double_t rmax Outer radius at z=0 where tube is narrowest. | |
792 | // Double_t dz half-length along the z-axis | |
793 | // Double_t dz half-length along the z-axis | |
794 | // Double_t phi1 Starting angle of the segment [degree]. | |
795 | // Double_t phi2 Ending angle of the segment [degree]. | |
796 | // Double_t lx x component of a unit vector perpendicular to | |
797 | // the face at -dz. | |
798 | // Double_t ly y component of a unit vector perpendicular to | |
799 | // the face at -dz. | |
800 | // Double_t lz z component of a unit vector perpendicular to | |
801 | // the face at -dz. | |
802 | // Double_t hx x component of a unit vector perpendicular to | |
803 | // the face at +dz. | |
804 | // Double_t hy y component of a unit vector perpendicular to | |
805 | // the face at +dz. | |
806 | // Double_t hz z component of a unit vector perpendicular to | |
807 | // the face at +dz. | |
808 | // Int_t med media index number. | |
809 | // Output: | |
810 | // none. | |
811 | // Return. | |
812 | // none. | |
813 | char name[4]; | |
814 | Float_t param[11]; | |
815 | ||
816 | param[0] = fScale*rmin; | |
817 | param[1] = fScale*rmax; | |
818 | param[2] = fScale*dz; | |
819 | param[3] = phi1; | |
820 | param[4] = phi2; | |
821 | param[5] = lx; | |
822 | param[6] = ly; | |
823 | param[7] = lz; | |
824 | param[8] = hx; | |
825 | param[9] = hy; | |
826 | param[10] = hz; | |
827 | name[0] = 'I'; | |
828 | for(Int_t i=0;i<3;i++) name[i+1] = gnam[i]; | |
829 | gMC->Gsvolu(name,"CTUB",fidmed[med],param,11); | |
830 | } | |
831 | //______________________________________________________________________ | |
832 | void AliITSv11::Pos(const char vol[3],Int_t cn,const char moth[3],Double_t x, | |
833 | Double_t y,Double_t z,Int_t irot){ | |
834 | // Place a copy of a volume previously defined by a call to GSVOLU inside | |
835 | // its mother volulme moth. | |
836 | // Inputs: | |
837 | // const char vol[3] 3 character geant volume name. The letter "I" | |
838 | // is appended to the front to indecate that this | |
839 | // is an ITS volume. | |
840 | // const char moth[3] 3 character geant volume name of the mother volume | |
841 | // in which vol will be placed. The letter "I" is | |
842 | // appended to the front to indecate that this is an | |
843 | // ITS volume. | |
844 | // Double_t x The x positon of the volume in the mother's | |
845 | // reference system | |
846 | // Double_t y The y positon of the volume in the mother's | |
847 | // reference system | |
848 | // Double_t z The z positon of the volume in the mother's | |
849 | // reference system | |
850 | // Int_t irot the index for the rotation matrix to be used. | |
851 | // irot=-1 => unit rotation. | |
852 | // Outputs: | |
853 | // none. | |
854 | // Return: | |
855 | // none. | |
856 | char name[4],mother[4]; | |
857 | Float_t param[3]; | |
858 | Int_t r=0,i; | |
859 | ||
860 | param[0] = x; | |
861 | param[1] = y; | |
862 | param[2] = z; | |
863 | name[0] = 'I'; | |
864 | for(i=0;i<3;i++) name[i+1] = vol[i]; | |
865 | mother[0] = 'I'; | |
866 | for(i=0;i<3;i++) mother[i+1] = moth[i]; | |
867 | if(irot>=0) r=fidrot[irot]; | |
868 | fMC->Gspos(name,mother,param[0],param[1],param[2],r,"ONLY"); | |
869 | } | |
870 | //______________________________________________________________________ | |
871 | void AliITSv11::Matrix(Int_t irot,Double_t thet1,Double_t phi1, | |
872 | Double_t thet2,Double_t phi2, | |
873 | Double_t thet3,Double_t phi3){ | |
874 | // Defines a Geant rotation matrix. checks to see if it is the unit | |
875 | // matrix. If so, then no additonal matrix is defined. Stores rotation | |
876 | // matrix irot in the data structure JROTM. If the matrix is not | |
877 | // orthonormal, it will be corrected by setting y' perpendicular to x' | |
878 | // and z' = x' X y'. A warning message is printed in this case. | |
879 | // Inputs: | |
880 | // Int_t irot Intex specifing which rotation matrix. | |
881 | // Double_t thet1 Polar angle for axisw x [degrees]. | |
882 | // Double_t phi1 azimuthal angle for axis x [degrees]. | |
883 | // Double_t thet12Polar angle for axisw y [degrees]. | |
884 | // Double_t phi2 azimuthal angle for axis y [degrees]. | |
885 | // Double_t thet3 Polar angle for axisw z [degrees]. | |
886 | // Double_t phi3 azimuthal angle for axis z [degrees]. | |
887 | // Outputs: | |
888 | // none. | |
889 | // Return: | |
890 | // none. | |
891 | Float_t t1,p1,t2,p2,t3,p3; | |
892 | ||
893 | if(thet1==90.0&&phi1==0.0&&thet2==90.0&&phi2==90.0&&thet3==0.0&&phi3==0.0){ | |
894 | fidrot[irot] = 0; // Unit matrix | |
895 | }else{ | |
896 | t1 = thet1; | |
897 | p1 = phi1; | |
898 | t2 = thet2; | |
899 | p2 = phi2; | |
900 | t3 = thet3; | |
901 | p3 = phi3 | |
902 | AliMatrix(fidrot[irot],t1,p1,t2,p2,t3,p3); | |
903 | } // end if | |
904 | } | |
905 | //______________________________________________________________________ | |
dfefbaec | 906 | void AliITSv11::Matrix(Int_t irot,Int_t axis,Double_t thet){ |
907 | // Defines a Geant rotation matrix. checks to see if it is the unit | |
908 | // matrix. If so, then no additonal matrix is defined. Stores rotation | |
909 | // matrix irot in the data structure JROTM. If the matrix is not | |
910 | // orthonormal, it will be corrected by setting y' perpendicular to x' | |
911 | // and z' = x' X y'. A warning message is printed in this case. | |
912 | // Inputs: | |
913 | // Int_t irot Intex specifing which rotation matrix. | |
914 | // Int_t axis Axis about which rotation is to be done. | |
915 | // Double_t thet Angle to rotate by [degrees]. | |
916 | // Outputs: | |
917 | // none. | |
918 | // Return: | |
919 | // none. | |
920 | ||
921 | if(thet==0.0){ | |
922 | fidrot[irot] = 0; // Unit matrix | |
923 | }else{ | |
924 | switch (irot) { | |
925 | case 0: //Rotate about x-axis, x-axis does not change. | |
926 | AliMatrix(fidrot[irot],90.0,0.0,90.0+thet,90.0,thet,90.0); | |
927 | break; | |
928 | case 1: //Rotate about y-axis, y-axis does not change. | |
929 | AliMatrix(fidrot[irot],-90.0-thet,0.0,90.0,90.0,thet,90.0); | |
930 | break; | |
931 | case 2: //Rotate about z-axis, z-axis does not change. | |
932 | AliMatrix(fidrot[irot],90.0,thet,90.0,-thet-90.0,0.0,0.0); | |
933 | break; | |
934 | default: | |
935 | Error("Matrix","axis must be either 0, 1, or 2. for matrix=%d", | |
936 | irot); | |
937 | break; | |
938 | } // end switch | |
939 | } // end if | |
940 | } | |
941 | //______________________________________________________________________ | |
2b680d9b | 942 | void AliITSv11::Matrix(Int_t irot,Double_t rot[3][3]){ |
943 | // Defines a Geant rotation matrix. checks to see if it is the unit | |
944 | // matrix. If so, then no additonal matrix is defined. Stores rotation | |
945 | // matrix irot in the data structure JROTM. If the matrix is not | |
946 | // orthonormal, it will be corrected by setting y' perpendicular to x' | |
947 | // and z' = x' X y'. A warning message is printed in this case. | |
948 | // Inputs: | |
949 | // Int_t irot Intex specifing which rotation matrix. | |
950 | // Double_t rot[3][3] The 3 by 3 rotation matrix. | |
951 | // Outputs: | |
952 | // none. | |
953 | // Return: | |
954 | // none. | |
955 | ||
956 | if(rot[0][0]==1.0&&rot[1][1]==1.0&&rot[2][2]==1.0&& | |
957 | rot[0][1]==0.0&&rot[0][2]==0.0&&rot[1][0]==0.0&& | |
958 | rot[1][2]==0.0&&rot[2][0]==0.0&&rot[2][1]==0.0){ | |
959 | fidrot[irot] = 0; // Unit matrix | |
960 | }else{ | |
961 | Double_t si,c=180./TMath::Pi(); | |
962 | Double_t ang[6]; | |
963 | ||
964 | ang[1] = TMath::ATan2(rot[0][1],rot[0][0]); | |
965 | if(TMath::Cos(ang[1])!=0.0) si = rot[0][0]/TMath::Cos(ang[1]); | |
966 | else si = rot[0][1]/TMath::Sin(ang[1]); | |
967 | ang[0] = TMath::ATan2(si,rot[0][2]); | |
968 | ||
969 | ang[3] = TMath::ATan2(rot[1][1],rot[1][0]); | |
970 | if(TMath::Cos(ang[3])!=0.0) si = rot[1][0]/TMath::Cos(ang[3]); | |
971 | else si = rot[1][1]/TMath::Sin(ang[3]); | |
972 | ang[2] = TMath::ATan2(si,rot[1][2]); | |
973 | ||
974 | ang[5] = TMath::ATan2(rot[2][1],rot[2][0]); | |
975 | if(TMath::Cos(ang[5])!=0.0) si = rot[2][0]/TMath::Cos(ang[5]); | |
976 | else si = rot[2][1]/TMath::Sin(ang[5]); | |
977 | ang[4] = TMath::ATan2(si,rot[2][2]); | |
978 | ||
979 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} | |
980 | AliMatrix(fidrot[irot],ang[0],ang[1],ang[2],ang[3],ang[4],ang[5]); | |
981 | } // end if | |
982 | } | |
983 | //______________________________________________________________________ | |
dfefbaec | 984 | Float_t AliITSv11::GetA(Int_t z){ |
985 | // Returns the isotopicaly averaged atomic number. | |
2b680d9b | 986 | // Inputs: |
dfefbaec | 987 | // Int_t z Elemental number |
2b680d9b | 988 | // Outputs: |
989 | // none. | |
990 | // Return: | |
dfefbaec | 991 | // The atomic mass number. |
992 | const Float_t A[]={ 1.00794 , 4.0026902, 6.941 , 9.012182 , 10.811 , | |
993 | 12.01007 , 14.00674 , 15.9994 , 18.9984032, 20.1797 , | |
994 | 22.98970 , 24.3050 , 26.981538, 28.0855 , 30.973761, | |
995 | 32.066 , 35.4527 , 39.948 , 39.0983 , 40.078 , | |
996 | 44.95591 , 47.867 , 50.9415 , 51.9961 , 54.938049, | |
997 | 55.845 , 58.933200 , 58.6934 , 63.546 , 65.39 , | |
998 | 69.723 , 72.61 , 74.92160 , 78.96 , 79.904 , | |
999 | 83.80 , 85.4678 , 87.62 , 88.9085 , 91.224 , | |
1000 | 92.90638 , 95.94 , 97.907215, 101.07 ,102.90550 , | |
1001 | 106.42 ,107.8682 ,112.411 ,114.818 ,118.710 , | |
1002 | 121.760 ,127.60 ,126.90447 ,131.29 ,132.90545 , | |
1003 | 137.327 ,138.9055 ,140.116 ,140.90765 ,144.24 , | |
1004 | 144.912746,150.36 ,151.964 ,157.25 ,158.92534 , | |
1005 | 162.50 ,164.93032 ,167.26 ,168.93421 ,173.04 , | |
1006 | 174.967 ,178.49 ,180.9479 ,183.84 ,186.207 , | |
1007 | 190.23 ,192.217 ,195.078 ,196.96655 ,200.59 , | |
1008 | 204.3833 ,207.2 ,208.98038,208.982415 ,209.987131, | |
1009 | 222.017570 ,223.019731,226.025402,227.027747 ,232.0381 , | |
1010 | 231.03588 238.0289}; | |
2b680d9b | 1011 | |
dfefbaec | 1012 | if(z<1||z>92){ |
1013 | Error("GetA","z must be 0<z<93. z=%d",z); | |
1014 | return 0.0; | |
2b680d9b | 1015 | } // end if |
dfefbaec | 1016 | return A[z-1]; |
1017 | } | |
1018 | //______________________________________________________________________ | |
1019 | Float_t AliITSv11::GetStandardMaxStepSize(Int_t istd){ | |
1020 | // Returns one of a set of standard Maximum Step Size values. | |
1021 | // Inputs: | |
1022 | // Int_t istd Index to indecate which standard. | |
1023 | // Outputs: | |
1024 | // none. | |
1025 | // Return: | |
1026 | // The appropreate standard Maximum Step Size value [cm]. | |
1027 | Float_t t[]={1.0, // default | |
1028 | 0.0075, // Silicon detectors... | |
1029 | 1.0, // Air in central detectors region | |
1030 | 1.0 // Material in non-centeral region | |
1031 | }; | |
1032 | return t[istd]; | |
1033 | } | |
1034 | //______________________________________________________________________ | |
1035 | Float_t AliITSv11::GetStandardThetaMax(Int_t istd){ | |
1036 | // Returns one of a set of standard Theata Max values. | |
1037 | // Inputs: | |
1038 | // Int_t istd Index to indecate which standard. | |
1039 | // Outputs: | |
1040 | // none. | |
1041 | // Return: | |
1042 | // The appropreate standard Theta max value [degrees]. | |
1043 | Float_t t[]={0.1, // default | |
1044 | 0.1, // Silicon detectors... | |
1045 | 0.1, // Air in central detectors region | |
1046 | 1.0 // Material in non-centeral region | |
1047 | }; | |
1048 | return t[istd]; | |
1049 | } | |
1050 | //______________________________________________________________________ | |
1051 | Float_t AliITSv11::GetStandardEfraction(Int_t istd){ | |
1052 | // Returns one of a set of standard E fraction values. | |
1053 | // Inputs: | |
1054 | // Int_t istd Index to indecate which standard. | |
1055 | // Outputs: | |
1056 | // none. | |
1057 | // Return: | |
1058 | // The appropreate standard E fraction value [#]. | |
1059 | Float_t t[]={0.1, // default | |
1060 | 0.1, // Silicon detectors... | |
1061 | 0.1, // Air in central detectors region | |
1062 | 1.0 // Material in non-centeral region | |
1063 | }; | |
1064 | return t[istd]; | |
1065 | } | |
1066 | //______________________________________________________________________ | |
1067 | void AliITSv11::Element(Int_t imat,const char* name,Int_t z,Double_t dens, | |
1068 | Int_t istd){ | |
1069 | // Defines a Geant single element material and sets its Geant medium | |
1070 | // proporties. The average atomic A is assumed to be given by their | |
1071 | // natural abundances. Things like the radiation length are calculated | |
1072 | // for you. | |
1073 | // Inputs: | |
1074 | // Int_t imat Material number. | |
1075 | // const char* name Material name. No need to add a $ at the end. | |
1076 | // Int_t z The elemental number. | |
1077 | // Double_t dens The density of the material [g/cm^3]. | |
1078 | // Int_t istd Defines which standard set of transport parameters | |
1079 | // which should be used. | |
1080 | // Output: | |
1081 | // none. | |
1082 | // Return: | |
1083 | // none. | |
1084 | Float_t rad,Z,A=GetA(z),tmax,stemax,deemax,epsilon; | |
1085 | char *name2; | |
1086 | Int_t len; | |
1087 | ||
1088 | len = strlng(name)+1; | |
1089 | name2 = new char[len]; | |
1090 | strncpy(name2,name,len-1); | |
1091 | name2[len-1] = '\0'; | |
1092 | name2[len-2] = '$'; | |
1093 | Z = (Float_t)z; | |
1094 | rad = GetRadLength(z)/dens; | |
1095 | AliMaterial(imat,name2,A,Z,dens,rad,0.0,0,0); | |
1096 | tmax = GetStandardTheataMax(istd); // degree | |
1097 | stemax = GetStandardMaxStepSize(istd); // cm | |
1098 | deemax = GetStandardEfraction(istd); // # | |
1099 | epsilon = GetStandardEpsilon(istd); | |
1100 | AliMedium(imat,name2,imat,0,gAlice->Field()->Integ(), | |
1101 | gAlice->Field()->Max(),tmax,stemax,deemax,epsilon,0.0); | |
1102 | delete[] name2; | |
1103 | } | |
1104 | //______________________________________________________________________ | |
1105 | void AliITSv11::SSDCone(Double_t zShift){ | |
1106 | // Defines the volumes and materials for the ITS SSD Support cone. | |
1107 | // Based on drawings ALR-0767 and ALR-0767/3. Units are in mm. | |
1108 | // Inputs: | |
1109 | // Double_t zShift The z shift to be applied to the final volume. | |
1110 | // Outputs: | |
1111 | // none. | |
1112 | // Return: | |
1113 | // none. | |
1114 | Double_t *za,*rmina,*rmaxa,phi0=0.0,dphi=360.0; | |
1115 | Int_t i,n,nz,nrad=0; | |
1116 | Double_t Cthick=1.5; //mm, Carbon finber thickness | |
1117 | Double_t r=15.0; // mm, Radius of curvature. | |
1118 | Double_t tc=51.0; // angle of SSD cone [degrees]. | |
1119 | Double_t t; // some general angle [degrees]. | |
1120 | Int_t SSDcf=; // SSD support cone Carbon Fiber materal number. | |
1121 | ||
1122 | SetScalemm(); | |
1123 | // Lets start with the upper left outer carbon fiber surface. | |
1124 | nz = 6; | |
1125 | za = new Double_t[nz]; | |
1126 | rmina = new Double_t[nz]; | |
1127 | rmaxa = new Double_t[nz]; | |
1128 | ||
1129 | za[0] = 0.0; | |
1130 | rmaxa[0] = 985./2.; | |
1131 | rmina[0] = rmaxa[0] - Cthick; | |
1132 | za[1] = 13.5 - 5.0; // The original size of 13.5 (ALR-0767) is milled down | |
1133 | rmaxa[1] = rmaxa[0]; // by 5mm to give a well defined reference surface | |
1134 | rmina[1] = rmina[0]; // (ALR-0767/3). | |
1135 | // The curved section is given by the following fomula | |
1136 | // rmax = r*Sind(90.-t)+rmaxa[0]-r for 0<=t<=tc. | |
1137 | // rmin = (r-Cthick)*Sind(90.-t)+rmina[0]-(r-Cthick) for 0<=t<=tc. | |
1138 | // z = r*Cosd(90.-t)+za[1] for 0<=t<=tc. | |
1139 | za[2] = (r-Cthick)*Cosd(90.-tc)+za[1]; | |
1140 | rmina[2] = (r-Cthick)*Sind(90.0-tc)+rmaxa[0]-(r-Cthick); | |
1141 | t = 90.0 - ACosd((za[2]-za[1])/r); // angle for rmax | |
1142 | rmaxa[2] = r*Sind(90.-t)+rmaxa[0]-r; | |
1143 | rmaxa[3] = r*Sind(90.0-tc)+rmaxa[0]-r; | |
1144 | za[3] =r*Cosd(90.-tc)+za[1]; | |
1145 | // angled section. surface is given by the following equations | |
1146 | // R = -Tand(tc)*Z + rmaxa[3] or rmina[2] | |
1147 | rmina[3] = -Tand(tc)*za[3] + rmina[2]; | |
1148 | // Point of whole. Whole surface has fixed radius = 890.0/2 mm | |
1149 | rmina[4] = 890.0/2.+Cthick ; // Inner whole surface radius (ALR-0767) | |
1150 | za[4] = (rmina[4] - rmina[2])/(-Tand(tc)); | |
1151 | rmaxa[4] = -Tand(tc)*za[4]+rmaxa[3]; | |
1152 | // | |
1153 | rmaxa[5] = rmina[4]; | |
1154 | rmina[5] = rmina[4]; | |
1155 | za[5] = (rmaxa[5] - rmaxa[3])/(-Tand(tc)); | |
1156 | PolyCone("SCAA","SSD Suport cone Carbon Fiber Surface outer left", | |
1157 | phi0,dphi,nz,*z,*rmin,*rmax,SSDcf); | |
1158 | Za[0] = 1.; Wa[0] = ; // Hydrogen Content | |
1159 | Za[1] = 6.; Wa[0] = ; // Carbon Content | |
1160 | MixtureByWeight(SSDcf,"Carbon Fiber for SSD support cone",Z,W,dens,3); | |
1161 | // Now for the Filler in the mounting regions Upper left first | |
1162 | zb[0] = za[0]; | |
1163 | rmaxb[0] = rmina[0]; | |
1164 | rminb[0] = 945./2.-Cthick; | |
1165 | // | |
1166 | rmaxb[1] = rmina[1]; | |
1167 | ||
1168 | delete[] za;delete[] rmina;delete[] rmaxa; | |
1169 | // Set back to cm default scale before exiting. | |
1170 | SetScalecm(); | |
1171 | return; | |
2b680d9b | 1172 | } |
1173 | //______________________________________________________________________ | |
1174 | void AliITSv11::CreateGeometry(){ | |
dfefbaec | 1175 | //////////////////////////////////////////////////////////////////////// |
1176 | // This routine defines and Creates the geometry for version 11 of the ITS. | |
1177 | //////////////////////////////////////////////////////////////////////// | |
1178 | } | |
1179 | //______________________________________________________________________ | |
1180 | void AliITSv11::CreateMaterials(){ | |
2b680d9b | 1181 | //////////////////////////////////////////////////////////////////////// |
dfefbaec | 1182 | // |
1183 | // Create ITS materials | |
1184 | // This function defines the default materials used in the Geant | |
1185 | // Monte Carlo simulations for the geometries AliITSv1, AliITSv3, | |
1186 | // AliITSv11. | |
1187 | // In general it is automatically replaced by | |
1188 | // the CreatMaterials routine defined in AliITSv?. Should the function | |
1189 | // CreateMaterials not exist for the geometry version you are using this | |
1190 | // one is used. See the definition found in AliITSv5 or the other routine | |
1191 | // for a complete definition. | |
1192 | // | |
1193 | } | |
1194 | //______________________________________________________________________ | |
1195 | void AliITSv11::InitAliITSgeom(){ | |
1196 | // Based on the geometry tree defined in Geant 3.21, this | |
1197 | // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry | |
1198 | // sturture. | |
1199 | } | |
1200 | ||
1201 | //______________________________________________________________________ | |
1202 | void AliITSv11::Init(){ | |
1203 | //////////////////////////////////////////////////////////////////////// | |
1204 | // Initialise the ITS after it has been created. | |
1205 | //////////////////////////////////////////////////////////////////////// | |
1206 | } | |
1207 | //______________________________________________________________________ | |
1208 | void AliITSv11::SetDefaults(){ | |
1209 | // sets the default segmentation, response, digit and raw cluster classes | |
1210 | } | |
1211 | //______________________________________________________________________ | |
1212 | void AliITSv11::DrawModule(){ | |
1213 | //////////////////////////////////////////////////////////////////////// | |
1214 | // Draw a shaded view of the FMD version 11. | |
1215 | //////////////////////////////////////////////////////////////////////// | |
1216 | } | |
1217 | //______________________________________________________________________ | |
1218 | void AliITSv11::StepManager(){ | |
1219 | //////////////////////////////////////////////////////////////////////// | |
1220 | // Called for every step in the ITS, then calles the AliITShit class | |
1221 | // creator with the information to be recoreded about that hit. | |
1222 | // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the | |
1223 | // printing of information to a file which can be used to create a .det | |
1224 | // file read in by the routine CreateGeometry(). If set to 0 or any other | |
1225 | // value except 1, the default behavior, then no such file is created nor | |
1226 | // it the extra variables and the like used in the printing allocated. | |
1227 | //////////////////////////////////////////////////////////////////////// | |
2b680d9b | 1228 | } |
dfefbaec | 1229 |