]>
Commit | Line | Data |
---|---|---|
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 | ||
16 | /* | |
17 | $Log$ | |
2685bf00 | 18 | Revision 1.27 2001/07/20 09:32:18 morsch |
19 | Protection against uncomplete backward stepping in dumping added. | |
20 | ||
899fde02 | 21 | Revision 1.26 2001/05/30 12:18:13 morsch |
22 | Fastidious printf commented. | |
23 | ||
09a536f9 | 24 | Revision 1.25 2001/05/23 11:59:46 morsch |
25 | Use RemoveAt method instead of delete to remove objects from TClonesArray. | |
26 | ||
5f3dc1c9 | 27 | Revision 1.24 2001/05/21 08:39:13 morsch |
28 | Use fStepBack = 1 only in debug mode. | |
29 | ||
19237f5f | 30 | Revision 1.23 2001/05/20 10:10:39 morsch |
31 | - Debug output at the beginning of new event and end of run. | |
32 | - Filter out boundary loops. | |
33 | ||
a74d2699 | 34 | Revision 1.22 2001/05/11 13:22:40 morsch |
35 | If run with debug option (from gAlice) geantinos are sent back and volume sequence forward/backward is compared. | |
36 | Can be very verbous in some cases. | |
37 | ||
7eb618fa | 38 | Revision 1.21 2000/12/15 10:33:59 morsch |
39 | Invert coordinates to make meaningful zylindrical plots. | |
40 | ||
10bd7535 | 41 | Revision 1.20 2000/11/30 07:12:48 alibrary |
42 | Introducing new Rndm and QA classes | |
43 | ||
65fb704d | 44 | Revision 1.19 2000/10/26 14:13:05 morsch |
45 | - Change from coordinates theta, phi to general coordinates Coor1 and Coor2. | |
46 | - Lego generator instance can be passed in constructor. | |
47 | ||
0b27b8c7 | 48 | Revision 1.18 2000/10/02 21:28:14 fca |
49 | Removal of useless dependecies via forward declarations | |
50 | ||
94de3818 | 51 | Revision 1.17 2000/07/12 08:56:25 fca |
52 | Coding convention correction and warning removal | |
53 | ||
8918e700 | 54 | Revision 1.16 2000/05/26 08:35:03 fca |
55 | Move the check on z after z has been retrieved | |
56 | ||
119a6af6 | 57 | Revision 1.15 2000/05/16 13:10:40 fca |
58 | New method IsNewTrack and fix for a problem in Father-Daughter relations | |
59 | ||
a01a8b12 | 60 | Revision 1.14 2000/04/27 10:38:21 fca |
61 | Correct termination of Lego Run and introduce Lego getter in AliRun | |
62 | ||
838edcaf | 63 | Revision 1.13 2000/04/26 10:17:31 fca |
64 | Changes in Lego for G4 compatibility | |
65 | ||
dffd31ef | 66 | Revision 1.12 2000/04/07 11:12:33 fca |
67 | G4 compatibility changes | |
68 | ||
875c717b | 69 | Revision 1.11 2000/03/22 13:42:26 fca |
70 | SetGenerator does not replace an existing generator, ResetGenerator does | |
71 | ||
ee1dd322 | 72 | Revision 1.10 2000/02/23 16:25:22 fca |
73 | AliVMC and AliGeant3 classes introduced | |
74 | ReadEuclid moved from AliRun to AliModule | |
75 | ||
b13db077 | 76 | Revision 1.9 1999/12/03 10:54:01 fca |
77 | Fix lego summary | |
78 | ||
00719c1b | 79 | Revision 1.8 1999/10/01 09:54:33 fca |
80 | Correct logics for Lego StepManager | |
81 | ||
f059c84a | 82 | Revision 1.7 1999/09/29 09:24:29 fca |
83 | Introduction of the Copyright and cvs Log | |
84 | ||
4c039060 | 85 | */ |
86 | ||
fe4da5cc | 87 | ////////////////////////////////////////////////////////////// |
88 | ////////////////////////////////////////////////////////////// | |
89 | // | |
90 | // Utility class to evaluate the material budget from | |
91 | // a given radius to the surface of an arbitrary cylinder | |
92 | // along radial directions from the centre: | |
93 | // | |
94 | // - radiation length | |
95 | // - Interaction length | |
96 | // - g/cm2 | |
97 | // | |
98 | // Geantinos are shot in the bins in the fNtheta bins in theta | |
99 | // and fNphi bins in phi with specified rectangular limits. | |
100 | // The statistics are accumulated per | |
101 | // fRadMin < r < fRadMax and <0 < z < fZMax | |
102 | // | |
103 | // To activate this option, you can do: | |
104 | // Root > gAlice.RunLego(); | |
105 | // or Root > .x menu.C then select menu item "RunLego" | |
106 | // Note that when calling gAlice->RunLego, an optional list | |
107 | // of arguments may be specified. | |
108 | // | |
109 | //Begin_Html | |
110 | /* | |
1439f98e | 111 | <img src="picts/alilego.gif"> |
fe4da5cc | 112 | */ |
113 | //End_Html | |
114 | // | |
115 | ////////////////////////////////////////////////////////////// | |
116 | ||
117 | #include "TMath.h" | |
94de3818 | 118 | |
1578254f | 119 | #include "AliLego.h" |
a74d2699 | 120 | |
7eb618fa | 121 | #include "AliDebugVolume.h" |
122 | #include "AliRun.h" | |
8918e700 | 123 | #include "AliLegoGenerator.h" |
fe4da5cc | 124 | #include "AliConst.h" |
875c717b | 125 | #include "AliMC.h" |
94de3818 | 126 | #include "TH2.h" |
a74d2699 | 127 | #include "../TGeant3/TGeant3.h" |
7eb618fa | 128 | #include "TString.h" |
129 | #include "TClonesArray.h" | |
130 | ||
fe4da5cc | 131 | ClassImp(AliLego) |
132 | ||
133 | ||
134 | //___________________________________________ | |
135 | AliLego::AliLego() | |
136 | { | |
8918e700 | 137 | // |
138 | // Default constructor | |
139 | // | |
2685bf00 | 140 | fGener = 0; |
8918e700 | 141 | fHistRadl = 0; |
142 | fHistAbso = 0; | |
143 | fHistGcm2 = 0; | |
144 | fHistReta = 0; | |
2685bf00 | 145 | fVolumesFwd = 0; |
146 | fVolumesBwd = 0; | |
fe4da5cc | 147 | } |
148 | ||
149 | //___________________________________________ | |
0b27b8c7 | 150 | AliLego::AliLego(const char *title, Int_t ntheta, Float_t thetamin, |
151 | Float_t thetamax, Int_t nphi, Float_t phimin, Float_t phimax, | |
b13db077 | 152 | Float_t rmin, Float_t rmax, Float_t zmax) |
153 | : TNamed("Lego Generator",title) | |
fe4da5cc | 154 | { |
8918e700 | 155 | // |
156 | // specify the angular limits and the size of the rectangular box | |
157 | // | |
0b27b8c7 | 158 | fGener = new AliLegoGenerator(ntheta, thetamin, thetamax, |
b13db077 | 159 | nphi, phimin, phimax, rmin, rmax, zmax); |
160 | ||
b13db077 | 161 | |
0b27b8c7 | 162 | |
b13db077 | 163 | fHistRadl = new TH2F("hradl","Radiation length map", |
0b27b8c7 | 164 | ntheta,thetamin,thetamax,nphi,phimin,phimax); |
b13db077 | 165 | fHistAbso = new TH2F("habso","Interaction length map", |
0b27b8c7 | 166 | ntheta,thetamin,thetamax,nphi,phimin,phimax); |
b13db077 | 167 | fHistGcm2 = new TH2F("hgcm2","g/cm2 length map", |
0b27b8c7 | 168 | ntheta,thetamin,thetamax,nphi,phimin,phimax); |
7eb618fa | 169 | // |
19237f5f | 170 | fStepBack = 0; |
171 | fStepsBackward = 0; | |
172 | fStepsForward = 0; | |
173 | fStepBack = 0; | |
7eb618fa | 174 | fVolumesFwd = new TClonesArray("AliDebugVolume",1000); |
175 | fVolumesBwd = new TClonesArray("AliDebugVolume",1000); | |
19237f5f | 176 | fDebug = gAlice->GetDebug(); |
177 | fErrorCondition = 0; | |
0b27b8c7 | 178 | } |
179 | ||
180 | AliLego::AliLego(const char *title, AliLegoGenerator* generator) | |
181 | : TNamed("Lego Generator",title) | |
182 | { | |
183 | // | |
184 | // specify the angular limits and the size of the rectangular box | |
185 | // | |
186 | fGener = generator; | |
187 | Float_t c1min, c1max, c2min, c2max; | |
188 | Int_t n1 = fGener->NCoor1(); | |
189 | Int_t n2 = fGener->NCoor2(); | |
190 | ||
191 | fGener->Coor1Range(c1min, c1max); | |
192 | fGener->Coor2Range(c2min, c2max); | |
b13db077 | 193 | |
0b27b8c7 | 194 | fHistRadl = new TH2F("hradl","Radiation length map", |
10bd7535 | 195 | n2, c2min, c2max, n1, c1min, c1max); |
0b27b8c7 | 196 | fHistAbso = new TH2F("habso","Interaction length map", |
10bd7535 | 197 | n2, c2min, c2max, n1, c1min, c1max); |
0b27b8c7 | 198 | fHistGcm2 = new TH2F("hgcm2","g/cm2 length map", |
10bd7535 | 199 | n2, c2min, c2max, n1, c1min, c1max); |
7eb618fa | 200 | // |
201 | // | |
202 | fStepBack = 0; | |
203 | fStepsBackward = 0; | |
204 | fStepsForward = 0; | |
205 | fStepBack = 0; | |
206 | fVolumesFwd = new TClonesArray("AliDebugVolume",1000); | |
207 | fVolumesBwd = new TClonesArray("AliDebugVolume",1000); | |
19237f5f | 208 | fDebug = gAlice->GetDebug(); |
a74d2699 | 209 | fErrorCondition =0; |
fe4da5cc | 210 | } |
211 | ||
212 | //___________________________________________ | |
213 | AliLego::~AliLego() | |
214 | { | |
8918e700 | 215 | // |
216 | // Destructor | |
217 | // | |
218 | delete fHistRadl; | |
219 | delete fHistAbso; | |
220 | delete fHistGcm2; | |
8918e700 | 221 | delete fGener; |
7eb618fa | 222 | if (fVolumesFwd) delete fVolumesFwd; |
223 | if (fVolumesBwd) delete fVolumesBwd; | |
fe4da5cc | 224 | } |
225 | ||
b13db077 | 226 | //___________________________________________ |
dffd31ef | 227 | void AliLego::BeginEvent() |
b13db077 | 228 | { |
8918e700 | 229 | // |
230 | // --- Set to 0 radiation length, absorption length and g/cm2 --- | |
231 | // | |
dffd31ef | 232 | fTotRadl = 0; |
233 | fTotAbso = 0; | |
234 | fTotGcm2 = 0; | |
19237f5f | 235 | |
a74d2699 | 236 | if (fDebug) { |
237 | if (fErrorCondition) DumpVolumes(); | |
238 | fVolumesFwd->Delete(); | |
239 | fVolumesBwd->Delete(); | |
240 | fStepsForward = 0; | |
241 | fStepsBackward = 0; | |
242 | fErrorCondition = 0; | |
243 | if (gAlice->CurrentTrack() == 0) fStepBack = 0; | |
244 | } | |
dffd31ef | 245 | } |
246 | ||
247 | //___________________________________________ | |
248 | void AliLego::FinishEvent() | |
249 | { | |
8918e700 | 250 | // |
251 | // Finish the event and update the histos | |
252 | // | |
0b27b8c7 | 253 | Double_t c1, c2; |
254 | c1 = fGener->CurCoor1(); | |
255 | c2 = fGener->CurCoor2(); | |
10bd7535 | 256 | fHistRadl->Fill(c2,c1,fTotRadl); |
257 | fHistAbso->Fill(c2,c1,fTotAbso); | |
258 | fHistGcm2->Fill(c2,c1,fTotGcm2); | |
b13db077 | 259 | } |
260 | ||
dffd31ef | 261 | //___________________________________________ |
262 | void AliLego::FinishRun() | |
263 | { | |
8918e700 | 264 | // |
265 | // Store histograms in current Root file | |
266 | // | |
dffd31ef | 267 | fHistRadl->Write(); |
268 | fHistAbso->Write(); | |
269 | fHistGcm2->Write(); | |
dffd31ef | 270 | |
271 | // Delete histograms from memory | |
272 | fHistRadl->Delete(); fHistRadl=0; | |
273 | fHistAbso->Delete(); fHistAbso=0; | |
274 | fHistGcm2->Delete(); fHistGcm2=0; | |
a74d2699 | 275 | // |
276 | if (fErrorCondition) DumpVolumes(); | |
dffd31ef | 277 | } |
278 | ||
8918e700 | 279 | //___________________________________________ |
280 | void AliLego::Copy(AliLego &lego) const | |
281 | { | |
282 | // | |
283 | // Copy *this onto lego -- not implemented | |
284 | // | |
285 | Fatal("Copy","Not implemented!\n"); | |
286 | } | |
dffd31ef | 287 | |
b13db077 | 288 | //___________________________________________ |
7eb618fa | 289 | void AliLego::StepManager() { |
b13db077 | 290 | // called from AliRun::Stepmanager from gustep. |
291 | // Accumulate the 3 parameters step by step | |
a74d2699 | 292 | |
7eb618fa | 293 | static Float_t t; |
294 | Float_t a,z,dens,radl,absl; | |
295 | Int_t i, id, copy; | |
296 | const char* vol; | |
297 | static Float_t vect[3], dir[3]; | |
a01a8b12 | 298 | |
7eb618fa | 299 | TString tmp1, tmp2; |
300 | copy = 1; | |
301 | id = gMC->CurrentVolID(copy); | |
302 | vol = gMC->VolName(id); | |
303 | Float_t step = gMC->TrackStep(); | |
7eb618fa | 304 | |
305 | TLorentzVector pos, mom; | |
b13db077 | 306 | gMC->TrackPosition(pos); |
307 | gMC->TrackMomentum(mom); | |
7eb618fa | 308 | |
309 | Int_t status = 0; | |
310 | if (gMC->IsTrackEntering()) status = 1; | |
a74d2699 | 311 | if (gMC->IsTrackExiting()) status = 2; |
0b27b8c7 | 312 | |
a74d2699 | 313 | |
314 | ||
315 | ||
7eb618fa | 316 | if (! fStepBack) { |
09a536f9 | 317 | // printf("\n volume %s %d", vol, status); |
7eb618fa | 318 | // |
319 | // Normal Forward stepping | |
320 | // | |
321 | if (fDebug) { | |
a74d2699 | 322 | // printf("\n steps fwd %d %s %d %f", fStepsForward, vol, fErrorCondition, step); |
323 | ||
7eb618fa | 324 | // |
325 | // store volume if different from previous | |
326 | // | |
327 | ||
a74d2699 | 328 | TClonesArray &lvols = *fVolumesFwd; |
7eb618fa | 329 | if (fStepsForward > 0) { |
330 | AliDebugVolume* tmp = (AliDebugVolume*) (*fVolumesFwd)[fStepsForward-1]; | |
a74d2699 | 331 | if (tmp->IsEqual(vol, copy) && gMC->IsTrackEntering()) { |
a74d2699 | 332 | fStepsForward -= 2; |
5f3dc1c9 | 333 | fVolumesFwd->RemoveAt(fStepsForward); |
334 | fVolumesFwd->RemoveAt(fStepsForward+1); | |
a74d2699 | 335 | } |
7eb618fa | 336 | } |
a74d2699 | 337 | |
338 | new(lvols[fStepsForward++]) | |
339 | AliDebugVolume(vol,copy,step,pos[0], pos[1], pos[2], status); | |
340 | ||
7eb618fa | 341 | } // Debug |
342 | // | |
343 | // Get current material properties | |
b13db077 | 344 | |
7eb618fa | 345 | gMC->CurrentMaterial(a,z,dens,radl,absl); |
346 | ||
347 | if (z < 1) return; | |
348 | ||
349 | // --- See if we have to stop now | |
350 | if (TMath::Abs(pos[2]) > fGener->ZMax() || | |
351 | pos[0]*pos[0] +pos[1]*pos[1] > fGener->RadMax()*fGener->RadMax()) { | |
352 | if (!gMC->IsNewTrack()) { | |
353 | // Not the first step, add past contribution | |
354 | fTotAbso += t/absl; | |
355 | fTotRadl += t/radl; | |
356 | fTotGcm2 += t*dens; | |
7eb618fa | 357 | if (fDebug) { |
358 | // | |
359 | // generate "mirror" particle flying back | |
360 | // | |
361 | fStepsBackward = fStepsForward; | |
362 | ||
363 | Float_t pmom[3], orig[3]; | |
364 | Float_t polar[3] = {0.,0.,0.}; | |
365 | Int_t ntr; | |
366 | pmom[0] = -dir[0]; | |
367 | pmom[1] = -dir[1]; | |
368 | pmom[2] = -dir[2]; | |
369 | orig[0] = vect[0]; | |
370 | orig[1] = vect[1]; | |
371 | orig[2] = vect[2]; | |
372 | ||
373 | gAlice->SetTrack(1, gAlice->CurrentTrack(), | |
374 | 0, pmom, orig, polar, 0., kPNoProcess, ntr); | |
375 | } // debug | |
376 | ||
377 | } // not a new track ! | |
378 | ||
19237f5f | 379 | if (fDebug) fStepBack = 1; |
7eb618fa | 380 | gMC->StopTrack(); |
381 | return; | |
382 | } // outside scoring region ? | |
383 | ||
b13db077 | 384 | // --- See how long we have to go |
7eb618fa | 385 | for(i=0;i<3;++i) { |
386 | vect[i]=pos[i]; | |
387 | dir[i]=mom[i]; | |
388 | } | |
389 | ||
390 | t = fGener->PropagateCylinder(vect,dir,fGener->RadMax(),fGener->ZMax()); | |
391 | ||
392 | if(step) { | |
19237f5f | 393 | |
7eb618fa | 394 | fTotAbso += step/absl; |
395 | fTotRadl += step/radl; | |
396 | fTotGcm2 += step*dens; | |
397 | } | |
398 | ||
399 | ||
400 | } else { | |
401 | if (fDebug) { | |
402 | // | |
403 | // Geometry debugging | |
404 | // Fly back and compare volume sequence | |
405 | // | |
a74d2699 | 406 | TClonesArray &lvols = *fVolumesBwd; |
7eb618fa | 407 | if (fStepsBackward < fStepsForward) { |
408 | AliDebugVolume* tmp = (AliDebugVolume*) (*fVolumesBwd)[fStepsBackward]; | |
a74d2699 | 409 | if (tmp->IsEqual(vol, copy) && gMC->IsTrackEntering()) { |
410 | fStepsBackward += 2; | |
5f3dc1c9 | 411 | fVolumesBwd->RemoveAt(fStepsBackward-1); |
412 | fVolumesBwd->RemoveAt(fStepsBackward-2); | |
7eb618fa | 413 | } |
414 | } | |
a74d2699 | 415 | |
7eb618fa | 416 | fStepsBackward--; |
a74d2699 | 417 | // printf("\n steps %d %s %d", fStepsBackward, vol, fErrorCondition); |
7eb618fa | 418 | if (fStepsBackward < 0) { |
419 | gMC->StopTrack(); | |
a74d2699 | 420 | fStepBack = 0; |
7eb618fa | 421 | return; |
422 | } | |
423 | ||
7eb618fa | 424 | new(lvols[fStepsBackward]) AliDebugVolume(vol,copy,step,pos[0], pos[1], pos[2], status); |
425 | ||
426 | AliDebugVolume* tmp = (AliDebugVolume*) (*fVolumesFwd)[fStepsBackward]; | |
427 | if (! (tmp->IsEqual(vol, copy)) && (!fErrorCondition)) | |
428 | { | |
429 | printf("\n Problem at (x,y,z): %d %f %f %f, volumes: %s %s step: %f\n", | |
430 | fStepsBackward, pos[0], pos[1], pos[2], tmp->GetName(), vol, step); | |
431 | fErrorCondition = 1; | |
432 | } | |
433 | } // Debug | |
434 | } // bwd/fwd | |
b13db077 | 435 | } |
436 | ||
a74d2699 | 437 | void AliLego::DumpVolumes() |
438 | { | |
439 | // | |
440 | // Dump volume sequence in case of error | |
441 | // | |
442 | printf("\n Dumping Volume Sequence:"); | |
443 | printf("\n =============================================="); | |
444 | ||
445 | for (Int_t i = fStepsForward-1; i>=0; i--) | |
446 | { | |
447 | AliDebugVolume* tmp1 = (AliDebugVolume*) (*fVolumesFwd)[i]; | |
448 | AliDebugVolume* tmp2 = (AliDebugVolume*) (*fVolumesBwd)[i]; | |
899fde02 | 449 | if (tmp1) |
450 | printf("\n Volume Fwd: %3d: %5s (%3d) step: %12.5e (x,y,z) (%12.5e %12.5e %12.5e) status: %9s \n" | |
a74d2699 | 451 | , i, |
452 | tmp1->GetName(), tmp1->CopyNumber(), tmp1->Step(), | |
453 | tmp1->X(), tmp1->Y(), tmp1->Z(), tmp1->Status()); | |
899fde02 | 454 | if (tmp2 && i>= fStepsBackward) |
455 | printf("\n Volume Bwd: %3d: %5s (%3d) step: %12.5e (x,y,z) (%12.5e %12.5e %12.5e) status: %9s \n" | |
a74d2699 | 456 | , i, |
457 | tmp2->GetName(), tmp2->CopyNumber(), tmp2->Step(), | |
458 | tmp2->X(), tmp2->Y(), tmp2->Z(), tmp2->Status()); | |
459 | ||
460 | printf("\n ............................................................................\n"); | |
461 | } | |
462 | printf("\n ==============================================\n"); | |
463 | } | |
0b27b8c7 | 464 | |
465 | ||
466 | ||
467 | ||
7eb618fa | 468 | |
469 | ||
470 |