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e118b27e | 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 | // Class AliMUONGeometrySegmentation | |
18 | // ------------------------------- | |
19 | // New class for the module segmentation | |
20 | // composed of the segmentations of detection elements. | |
21 | // Applies transformations defined in geometry. | |
22 | // | |
23 | // Author:Ivana Hrivnacova, IPN Orsay | |
24 | ||
25 | #include "AliSegmentation.h" | |
26 | #include "AliLog.h" | |
27 | ||
28 | #include "AliMUONGeometrySegmentation.h" | |
29 | #include "AliMUONGeometryModule.h" | |
30 | #include "AliMUONGeometryDetElement.h" | |
31 | #include "AliMUONGeometryStore.h" | |
32 | ||
33 | ||
34 | ClassImp(AliMUONGeometrySegmentation) | |
35 | ||
36 | ||
37 | //______________________________________________________________________________ | |
38 | AliMUONGeometrySegmentation::AliMUONGeometrySegmentation( | |
39 | AliMUONGeometryModule* geometry) | |
40 | : TObject(), | |
41 | fCurrentDetElemId(0), | |
42 | fCurrentDetElement(0), | |
43 | fCurrentSegmentation(0), | |
44 | fGeometryModule(geometry), | |
45 | fDESegmentations(0) | |
46 | ||
47 | { | |
48 | // Normal constructor | |
49 | ||
50 | fDESegmentations | |
51 | = new AliMUONGeometryStore(geometry->GetDEIndexing(), false); | |
52 | } | |
53 | ||
54 | //______________________________________________________________________________ | |
55 | AliMUONGeometrySegmentation::AliMUONGeometrySegmentation() | |
56 | : TObject(), | |
57 | fCurrentDetElemId(0), | |
58 | fCurrentDetElement(0), | |
59 | fCurrentSegmentation(0), | |
60 | fGeometryModule(0), | |
61 | fDESegmentations(0) | |
62 | { | |
63 | // Default Constructor | |
64 | } | |
65 | ||
66 | //______________________________________________________________________________ | |
67 | AliMUONGeometrySegmentation::AliMUONGeometrySegmentation( | |
68 | const AliMUONGeometrySegmentation& rhs) | |
69 | : TObject(rhs) | |
70 | { | |
71 | // Copy constructor | |
72 | AliFatal("Copy constructor is not implemented."); | |
73 | } | |
74 | ||
75 | //______________________________________________________________________________ | |
76 | AliMUONGeometrySegmentation::~AliMUONGeometrySegmentation() { | |
77 | // Destructor | |
78 | ||
79 | delete fDESegmentations; | |
80 | } | |
81 | ||
82 | // | |
83 | // operators | |
84 | // | |
85 | ||
86 | //______________________________________________________________________________ | |
87 | AliMUONGeometrySegmentation& | |
88 | AliMUONGeometrySegmentation::operator=(const AliMUONGeometrySegmentation& rhs) | |
89 | { | |
90 | // Copy operator | |
91 | ||
92 | // check assignement to self | |
93 | if (this == &rhs) return *this; | |
94 | ||
95 | AliFatal("Assignment operator is not implemented."); | |
96 | ||
97 | return *this; | |
98 | } | |
99 | ||
100 | // | |
101 | // private methods | |
102 | // | |
103 | ||
104 | //______________________________________________________________________________ | |
105 | Bool_t AliMUONGeometrySegmentation::Notify(Int_t detElemId) const | |
106 | { | |
107 | // Updates current detection element and segmentation, | |
108 | // and checks if they exist. | |
109 | // Returns true if success. | |
110 | // --- | |
111 | ||
112 | if (detElemId != fCurrentDetElemId) { | |
113 | ||
114 | // Find detection element and its segmentation | |
115 | AliMUONGeometryDetElement* detElement | |
116 | = fGeometryModule->GetDetElement(detElemId); | |
117 | if (!detElement) { | |
118 | AliError(Form("Detection element %d not defined", detElemId)); | |
119 | return false; | |
120 | } | |
121 | ||
122 | AliSegmentation* segmentation | |
123 | = (AliSegmentation*) fDESegmentations->Get(detElemId); | |
124 | if (!segmentation) { | |
125 | AliError(Form("Segmentation for detection element %d not defined", | |
126 | detElemId)); | |
127 | return false; | |
128 | } | |
129 | ||
130 | fCurrentDetElemId = detElemId; | |
131 | fCurrentDetElement = detElement; | |
132 | fCurrentSegmentation = segmentation; | |
133 | } | |
134 | ||
135 | return true; | |
136 | } | |
137 | ||
138 | // | |
139 | // public methods | |
140 | // | |
141 | ||
142 | //______________________________________________________________________________ | |
143 | void AliMUONGeometrySegmentation::Add(Int_t detElemId, | |
144 | AliSegmentation* segmentation) | |
145 | { | |
146 | // Add detection element segmentation | |
147 | // --- | |
148 | ||
149 | fDESegmentations->Add(detElemId, segmentation); | |
150 | } | |
151 | ||
152 | //______________________________________________________________________________ | |
153 | void AliMUONGeometrySegmentation::SetPadSize(Float_t p1, Float_t p2) | |
154 | { | |
155 | // Set pad size Dx*Dy to all detection element segmentations | |
156 | // --- | |
157 | ||
158 | for (Int_t i=0; i<fDESegmentations->GetNofEntries(); i++) { | |
159 | AliSegmentation* segmentation | |
160 | = (AliSegmentation*)fDESegmentations->GetEntry(i); | |
161 | segmentation->SetPadSize(p1, p2); | |
162 | } | |
163 | } | |
164 | ||
165 | //______________________________________________________________________________ | |
166 | void AliMUONGeometrySegmentation::SetDAnod(Float_t d) | |
167 | { | |
168 | // Set anod pitch to all detection element segmentations | |
169 | // --- | |
170 | ||
171 | for (Int_t i=0; i<fDESegmentations->GetNofEntries(); i++) { | |
172 | AliSegmentation* segmentation | |
173 | = (AliSegmentation*)fDESegmentations->GetEntry(i); | |
174 | segmentation->SetDAnod(d); | |
175 | } | |
176 | } | |
177 | ||
178 | //______________________________________________________________________________ | |
179 | Float_t AliMUONGeometrySegmentation::GetAnod(Int_t detElemId, Float_t xhit) const | |
180 | { | |
181 | // Anod wire coordinate closest to xhit | |
182 | // Returns for a hit position xhit the position of the nearest anode wire | |
183 | // !!! xhit is understand a a distance, not as a position in the space | |
184 | // CHECK | |
185 | // --- | |
186 | ||
187 | if (!Notify(detElemId)) return 0; | |
188 | ||
189 | return fCurrentSegmentation->GetAnod(xhit); | |
190 | } | |
191 | ||
192 | //______________________________________________________________________________ | |
193 | void AliMUONGeometrySegmentation::GetPadI(Int_t detElemId, | |
194 | Float_t xg, Float_t yg, Float_t zg, | |
195 | Int_t& ix, Int_t& iy) | |
196 | { | |
197 | // Returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
198 | // --- | |
199 | ||
200 | if (!Notify(detElemId)) return; | |
201 | ||
202 | Float_t xl, yl, zl; | |
203 | fCurrentDetElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
204 | ||
205 | fCurrentSegmentation->GetPadI(xl, yl, zl, ix, iy); | |
206 | } | |
207 | ||
208 | //______________________________________________________________________________ | |
209 | void AliMUONGeometrySegmentation::GetPadC(Int_t detElemId, | |
210 | Int_t ix, Int_t iy, | |
211 | Float_t& xg, Float_t& yg, Float_t& zg) | |
212 | { | |
213 | // Transform from pad to real coordinates | |
214 | // --- | |
215 | ||
216 | if (!Notify(detElemId)) return; | |
217 | ||
218 | Float_t xl, yl, zl; | |
219 | fCurrentSegmentation->GetPadC(ix, iy, xl , yl, zl); | |
220 | ||
221 | fGeometryModule->Local2Global(detElemId, xl, yl, zl, xg, yg, zg); | |
222 | } | |
223 | ||
224 | ||
225 | //______________________________________________________________________________ | |
226 | void AliMUONGeometrySegmentation::Init(Int_t /*chamber*/) | |
227 | { | |
228 | // Initialize segmentation. | |
229 | // Check that all detection elements have segmanetation set | |
230 | // --- | |
231 | ||
232 | // Loop over detection elements | |
233 | AliMUONGeometryStore* detElements = fGeometryModule->GetDetElementStore(); | |
234 | ||
235 | for (Int_t i=0; i<detElements->GetNofEntries(); i++) { | |
236 | ||
237 | // Get detction element Id | |
238 | Int_t detElemId = detElements->GetEntry(i)->GetUniqueID(); | |
239 | ||
240 | // Check segmentation | |
241 | if (! fDESegmentations->Get(detElemId) ) | |
242 | AliError(Form("Detection element %d has not a segmentation set.", | |
243 | detElements->GetEntry(i)->GetUniqueID())); | |
244 | } | |
245 | } | |
246 | ||
247 | //______________________________________________________________________________ | |
248 | Float_t AliMUONGeometrySegmentation::Dpx(Int_t detElemId) const | |
249 | { | |
250 | // Get pad size in x | |
251 | // --- | |
252 | ||
253 | if (!Notify(detElemId)) return 0.; | |
254 | ||
255 | return fCurrentSegmentation->Dpx(); | |
256 | } | |
257 | ||
258 | //______________________________________________________________________________ | |
259 | Float_t AliMUONGeometrySegmentation::Dpy(Int_t detElemId) const | |
260 | { | |
261 | // Get pad size in y | |
262 | // --- | |
263 | ||
264 | if (!Notify(detElemId)) return 0.; | |
265 | ||
266 | return fCurrentSegmentation->Dpy(); | |
267 | } | |
268 | ||
269 | //______________________________________________________________________________ | |
270 | Float_t AliMUONGeometrySegmentation::Dpx(Int_t detElemId, Int_t isector) const | |
271 | { | |
272 | // Pad size in x by sector | |
273 | // --- | |
274 | ||
275 | if (!Notify(detElemId)) return 0.; | |
276 | ||
277 | return fCurrentSegmentation->Dpx(isector); | |
278 | } | |
279 | ||
280 | //______________________________________________________________________________ | |
281 | Float_t AliMUONGeometrySegmentation::Dpy(Int_t detElemId, Int_t isector) const | |
282 | { | |
283 | // Pad size in x, y by Sector | |
284 | // --- | |
285 | ||
286 | if (!Notify(detElemId)) return 0.; | |
287 | ||
288 | return fCurrentSegmentation->Dpy(isector); | |
289 | } | |
290 | ||
291 | //______________________________________________________________________________ | |
292 | Int_t AliMUONGeometrySegmentation::Npx(Int_t detElemId) const | |
293 | { | |
294 | // Maximum number of Pads in x | |
295 | // --- | |
296 | ||
297 | if (!Notify(detElemId)) return 0; | |
298 | ||
299 | return fCurrentSegmentation->Npx(); | |
300 | } | |
301 | ||
302 | //______________________________________________________________________________ | |
303 | Int_t AliMUONGeometrySegmentation::Npy(Int_t detElemId) const | |
304 | { | |
305 | // Maximum number of Pads in y | |
306 | // --- | |
307 | ||
308 | if (!Notify(detElemId)) return 0; | |
309 | ||
310 | return fCurrentSegmentation->Npy(); | |
311 | } | |
312 | ||
313 | //______________________________________________________________________________ | |
314 | void AliMUONGeometrySegmentation::SetPad(Int_t detElemId, Int_t ix, Int_t iy) | |
315 | { | |
316 | // Set pad position. | |
317 | // Sets virtual pad coordinates, needed for evaluating pad response | |
318 | // outside the tracking program. | |
319 | // From AliMUONGeometrySegmentationV01. | |
320 | // --- | |
321 | ||
322 | if (!Notify(detElemId)) return; | |
323 | ||
324 | fCurrentSegmentation->SetPad(ix, iy); | |
325 | } | |
326 | ||
327 | //______________________________________________________________________________ | |
328 | void AliMUONGeometrySegmentation::SetHit(Int_t detElemId, | |
329 | Float_t xghit, Float_t yghit, Float_t zghit) | |
330 | { | |
331 | // Set hit position | |
332 | // Sets virtual hit position, needed for evaluating pad response | |
333 | // outside the tracking program | |
334 | // From AliMUONGeometrySegmentationV01. | |
335 | ||
336 | if (!Notify(detElemId)) return; | |
337 | ||
338 | Float_t xl, yl, zl; | |
339 | fCurrentDetElement->Global2Local(xghit, yghit, zghit, xl, yl, zl); | |
340 | ||
341 | fCurrentSegmentation->SetHit(xl, yl, zl); | |
342 | } | |
343 | ||
344 | //______________________________________________________________________________ | |
345 | void AliMUONGeometrySegmentation::FirstPad(Int_t detElemId, | |
346 | Float_t xghit, Float_t yghit, Float_t zghit, | |
347 | Float_t dx, Float_t dy) | |
348 | { | |
349 | // Iterate over pads - initialiser | |
350 | // --- | |
351 | ||
352 | if (!Notify(detElemId)) return; | |
353 | ||
354 | Float_t xl, yl, zl; | |
355 | fCurrentDetElement->Global2Local(xghit, yghit, zghit, xl, yl, zl); | |
356 | ||
357 | fCurrentSegmentation->FirstPad(xl, yl, zl, dx, dy); | |
358 | } | |
359 | ||
360 | //______________________________________________________________________________ | |
361 | void AliMUONGeometrySegmentation::NextPad(Int_t detElemId) | |
362 | { | |
363 | // Iterate over pads - stepper | |
364 | // --- | |
365 | ||
366 | if (!Notify(detElemId)) return; | |
367 | ||
368 | fCurrentSegmentation->NextPad(); | |
369 | } | |
370 | ||
371 | //______________________________________________________________________________ | |
372 | Int_t AliMUONGeometrySegmentation::MorePads(Int_t detElemId) | |
373 | { | |
374 | // Iterate over pads - condition | |
375 | // --- | |
376 | ||
377 | if (!Notify(detElemId)) return 0; | |
378 | ||
379 | return fCurrentSegmentation->MorePads(); | |
380 | } | |
381 | ||
382 | //______________________________________________________________________________ | |
383 | Float_t AliMUONGeometrySegmentation::Distance2AndOffset(Int_t detElemId, | |
384 | Int_t ix, Int_t iy, | |
385 | Float_t xg, Float_t yg, Float_t zg, | |
386 | Int_t* dummy) | |
387 | { | |
388 | // Returns the square of the distance between 1 pad | |
389 | // labelled by its channel numbers and a coordinate | |
390 | // --- | |
391 | ||
392 | if (!Notify(detElemId)) return 0.; | |
393 | ||
394 | Float_t xl, yl, zl; | |
395 | fCurrentDetElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
396 | ||
397 | return fCurrentSegmentation->Distance2AndOffset(ix, iy, xl, yl, dummy); | |
398 | } | |
399 | ||
400 | //______________________________________________________________________________ | |
401 | void AliMUONGeometrySegmentation::GetNParallelAndOffset(Int_t detElemId, | |
402 | Int_t ix, Int_t iy, | |
403 | Int_t* nparallel, Int_t* offset) | |
404 | { | |
405 | // Number of pads read in parallel and offset to add to x | |
406 | // (specific to LYON, but mandatory for display) | |
407 | // CHECK | |
408 | // --- | |
409 | ||
410 | if (!Notify(detElemId)) return; | |
411 | ||
412 | fCurrentSegmentation->GetNParallelAndOffset(ix, iy, nparallel, offset); | |
413 | } | |
414 | ||
415 | ||
416 | //______________________________________________________________________________ | |
417 | void AliMUONGeometrySegmentation::Neighbours(Int_t detElemId, | |
418 | Int_t ix, Int_t iy, | |
419 | Int_t* nlist, | |
420 | Int_t xlist[10], Int_t ylist[10]) | |
421 | { | |
422 | // Get next neighbours | |
423 | // --- | |
424 | ||
425 | if (!Notify(detElemId)) return; | |
426 | ||
427 | fCurrentSegmentation->Neighbours(ix, iy, nlist, xlist, ylist); | |
428 | } | |
429 | ||
430 | //______________________________________________________________________________ | |
431 | Int_t AliMUONGeometrySegmentation::Ix() | |
432 | { | |
433 | // Current pad cursor during disintegration | |
434 | // x, y-coordinate | |
435 | // --- | |
436 | ||
437 | return fCurrentSegmentation->Ix(); | |
438 | } | |
439 | ||
440 | //______________________________________________________________________________ | |
441 | Int_t AliMUONGeometrySegmentation::Iy() | |
442 | { | |
443 | // Current pad cursor during disintegration | |
444 | // x, y-coordinate | |
445 | // --- | |
446 | ||
447 | return fCurrentSegmentation->Iy(); | |
448 | } | |
449 | ||
450 | //______________________________________________________________________________ | |
451 | Int_t AliMUONGeometrySegmentation::DetElemId() | |
452 | { | |
453 | // Current pad cursor during disintegration | |
454 | // x, y-coordinate | |
455 | // --- | |
456 | ||
457 | return fCurrentDetElemId; | |
458 | } | |
459 | ||
460 | //______________________________________________________________________________ | |
461 | Int_t AliMUONGeometrySegmentation::ISector() | |
462 | { | |
463 | // Current sector | |
464 | // --- | |
465 | ||
466 | return fCurrentSegmentation->ISector(); | |
467 | } | |
468 | ||
469 | //______________________________________________________________________________ | |
470 | Int_t AliMUONGeometrySegmentation::Sector(Int_t detElemId, Int_t ix, Int_t iy) | |
471 | { | |
472 | // Calculate sector from pad coordinates | |
473 | // --- | |
474 | ||
475 | if (!Notify(detElemId)) return 0; | |
476 | ||
477 | return fCurrentSegmentation->Sector(ix, iy); | |
478 | } | |
479 | ||
480 | //______________________________________________________________________________ | |
481 | Int_t AliMUONGeometrySegmentation::Sector(Int_t detElemId, | |
482 | Float_t xg, Float_t yg, Float_t zg) | |
483 | { | |
484 | // Calculate sector from pad coordinates | |
485 | // --- | |
486 | ||
487 | if (!Notify(detElemId)) return 0; | |
488 | ||
489 | Float_t xl, yl, zl; | |
490 | fCurrentDetElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
491 | ||
492 | return fCurrentSegmentation->Sector(xl, yl); | |
493 | } | |
494 | ||
495 | //______________________________________________________________________________ | |
496 | void AliMUONGeometrySegmentation::IntegrationLimits(Int_t detElemId, | |
497 | Float_t& x1, Float_t& x2, | |
498 | Float_t& y1, Float_t& y2) | |
499 | { | |
500 | // Current integration limits | |
501 | // --- | |
502 | ||
503 | if (!Notify(detElemId)) return; | |
504 | ||
505 | return fCurrentSegmentation->IntegrationLimits(x1, x2, y1, y2); | |
506 | } | |
507 | ||
508 | //______________________________________________________________________________ | |
509 | Int_t AliMUONGeometrySegmentation::SigGenCond(Int_t detElemId, | |
510 | Float_t xg, Float_t yg, Float_t zg) | |
511 | { | |
512 | // Signal Generation Condition during Stepping | |
513 | // 0: don't generate signal | |
514 | // 1: generate signal | |
515 | // Comments: | |
516 | // | |
517 | // Crossing of pad boundary and mid plane between neighbouring wires is checked. | |
518 | // To correctly simulate the dependence of the spatial resolution on the angle | |
519 | // of incidence signal must be generated for constant steps on | |
520 | // the projection of the trajectory along the anode wire. | |
521 | // | |
522 | // Signal will be generated if particle crosses pad boundary or | |
523 | // boundary between two wires. | |
524 | // --- | |
525 | ||
526 | if (!Notify(detElemId)) return 0; | |
527 | ||
528 | Float_t xl, yl, zl; | |
529 | fCurrentDetElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
530 | ||
531 | return fCurrentSegmentation->SigGenCond(xl, yl, zl); | |
532 | } | |
533 | ||
534 | ||
535 | //______________________________________________________________________________ | |
536 | void AliMUONGeometrySegmentation::SigGenInit(Int_t detElemId, | |
537 | Float_t xg, Float_t yg, Float_t zg) | |
538 | { | |
539 | // Initialise signal generation at coord (x,y,z) | |
540 | // Initialises pad and wire position during stepping. | |
541 | // From AliMUONGeometrySegmentationV01 | |
542 | // --- | |
543 | ||
544 | if (!Notify(detElemId)) return; | |
545 | ||
546 | Float_t xl, yl, zl; | |
547 | fCurrentDetElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
548 | ||
549 | fCurrentSegmentation->SigGenInit(xl, yl, zl); | |
550 | } | |
551 | ||
552 | //______________________________________________________________________________ | |
553 | void AliMUONGeometrySegmentation::GiveTestPoints(Int_t /*detElemId*/, | |
554 | Int_t& /*n*/, | |
555 | Float_t* /*xg*/, Float_t* /*yg*/) const | |
556 | { | |
557 | // Test points for auto calibration | |
558 | // Returns test point on the pad plane. | |
559 | // Used during determination of the segmoid correction of the COG-method | |
560 | // From AliMUONGeometrySegmentationV01 | |
561 | // --- | |
562 | ||
563 | // Requires change of interface | |
564 | // to convert points from local to global we need z coordinate | |
565 | AliError("Not implemented."); | |
566 | } | |
567 | ||
568 | //______________________________________________________________________________ | |
569 | void AliMUONGeometrySegmentation::Draw(Int_t detElemId, const char* opt) const | |
570 | { | |
571 | // Draw the segmentation zones. | |
572 | // (Called from AliMUON::BuildGeometry) | |
573 | // --- | |
574 | ||
575 | if (!Notify(detElemId)) return; | |
576 | ||
577 | fCurrentSegmentation->Draw(opt); | |
578 | } | |
579 | ||
580 | //______________________________________________________________________________ | |
581 | void AliMUONGeometrySegmentation::SetCorrFunc(Int_t detElemId, | |
582 | Int_t isec, TF1* func) | |
583 | { | |
584 | // Set the correction function. | |
585 | // From AliMUONGeometrySegmentationV01 | |
586 | // --- | |
587 | ||
588 | if (!Notify(detElemId)) return; | |
589 | ||
590 | fCurrentSegmentation->SetCorrFunc(isec, func); | |
591 | } | |
592 | ||
593 | //______________________________________________________________________________ | |
594 | TF1* AliMUONGeometrySegmentation::CorrFunc(Int_t detElemId, Int_t isec) const | |
595 | { | |
596 | // Get the correction Function. | |
597 | // From AliMUONGeometrySegmentationV01 | |
598 | // --- | |
599 | ||
600 | if (!Notify(detElemId)) return 0; | |
601 | ||
602 | return fCurrentSegmentation->CorrFunc(isec); | |
603 | } | |
604 |