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4a01bb2c | 1 | /************************************************************************** |
2 | * Copyright(c) 2001-2002, 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 | /* $Id: AliJetGrid.cxx,v 1.0 07/09/2006 */ | |
17 | ||
18 | //========================================================================= | |
19 | // *** 07 September 2006 | |
20 | // This class allows to fill a really general grid in (eta,phi) | |
21 | // Two types of grid can be setted : | |
22 | // if fGrid==0 -> the complete acceptance of a rectangular detector acceptance is filled | |
23 | // if fGrid==1 -> the previous grid - an other rectangular detector acceptance is filled | |
24 | // A (eta,phi(rad)) position can be extracted from an index value without looping over all entries | |
25 | // An index position can be extracted from a (eta,phi(rad)) position without looping over all entries | |
26 | // | |
27 | // How to run it : | |
28 | // > AliJetGrid *grid = new AliJetGrid((NbinPhi-1),(NbinEta-1),PhiMin,PhiMax,EtaMin,EtaMax); | |
29 | // > grid->SetGridType(...); // 0 or 1 for the moment | |
30 | // > grid->SetMatrixIndexes(); | |
31 | // > grid->SetIndexIJ(); | |
32 | // | |
33 | // Author : magali.estienne@ires.in2p3.fr | |
34 | //========================================================================= | |
35 | ||
36 | // Standard headers | |
37 | #include <Riostream.h> | |
38 | // Root headers | |
37b09b91 | 39 | #include <TMath.h> |
4a01bb2c | 40 | #include <TMatrixD.h> |
41 | #include <TArrayD.h> | |
42 | #include <TArrayI.h> | |
43 | // AliRoot headers | |
44 | #include "AliJetGrid.h" | |
45 | ||
87f40625 | 46 | ClassImp(AliJetGrid) |
4a01bb2c | 47 | |
4a01bb2c | 48 | |
b92e2ccf | 49 | //__________________________________________________________ |
50 | AliJetGrid::AliJetGrid(): | |
51 | fGrid(0), | |
52 | fNphi(0), | |
53 | fNeta(0), | |
54 | fPhi(0), | |
55 | fEta(0), | |
56 | fIndex(0), | |
57 | fIndexI(0), | |
58 | fIndexJ(0), | |
59 | fPhiMin(0), | |
60 | fPhiMax(0), | |
61 | fEtaMin(0), | |
62 | fEtaMax(0), | |
63 | fEtaBinInTPCAcc(0), | |
64 | fPhiBinInTPCAcc(0), | |
65 | fEtaBinInEMCalAcc(0), | |
66 | fPhiBinInEMCalAcc(0), | |
67 | fNbinEta(0), | |
68 | fNbinPhi(0), | |
69 | fMaxPhi(0), | |
70 | fMinPhi(0), | |
71 | fMaxEta(0), | |
72 | fMinEta(0), | |
73 | fDebug(1) | |
74 | { | |
4a01bb2c | 75 | // Default constructor |
4a01bb2c | 76 | } |
77 | ||
78 | //__________________________________________________________ | |
b92e2ccf | 79 | AliJetGrid::AliJetGrid(Int_t nphi,Int_t neta,Double_t phiMin,Double_t phiMax,Double_t etaMin,Double_t etaMax): |
80 | fGrid(0), | |
81 | fNphi(nphi), | |
82 | fNeta(neta), | |
83 | fPhi(0), | |
84 | fEta(0), | |
85 | fIndex(0), | |
86 | fIndexI(0), | |
87 | fIndexJ(0), | |
88 | fPhiMin(0), | |
89 | fPhiMax(0), | |
90 | fEtaMin(0), | |
91 | fEtaMax(0), | |
92 | fEtaBinInTPCAcc(0), | |
93 | fPhiBinInTPCAcc(0), | |
94 | fEtaBinInEMCalAcc(0), | |
95 | fPhiBinInEMCalAcc(0), | |
96 | fNbinEta(0), | |
97 | fNbinPhi(0), | |
98 | fMaxPhi(phiMax), | |
99 | fMinPhi(phiMin), | |
100 | fMaxEta(etaMax), | |
101 | fMinEta(etaMin), | |
102 | fDebug(1) | |
103 | { | |
4a01bb2c | 104 | // Standard constructor |
b92e2ccf | 105 | fPhi = new TArrayD(fNphi+1); |
106 | fEta = new TArrayD(fNeta+1); | |
4a01bb2c | 107 | fIndexI = new TArrayI((fNeta+1)*(fNphi+1)+1); |
108 | fIndexJ = new TArrayI((fNeta+1)*(fNphi+1)+1); | |
b92e2ccf | 109 | |
4a01bb2c | 110 | for(Int_t i=0; i<fNphi+1; i++) (*fPhi)[i] = (phiMax-phiMin)/fNphi*i+phiMin; |
111 | for(Int_t i=0; i<fNeta+1; i++) (*fEta)[i] = (etaMax-etaMin)/fNeta*i+etaMin; | |
b92e2ccf | 112 | |
4a01bb2c | 113 | if(fDebug > 3){ |
b92e2ccf | 114 | for(Int_t i=0; i<(fNphi+1); i++) cout << (*fPhi)[i] << endl; |
115 | for(Int_t i=0; i<(fNeta+1); i++) cout << (*fEta)[i] << endl; | |
4a01bb2c | 116 | } |
b92e2ccf | 117 | |
4a01bb2c | 118 | fIndex = new TMatrixD(fNphi+1,fNeta+1); |
b92e2ccf | 119 | |
4a01bb2c | 120 | } |
121 | ||
122 | //__________________________________________________________ | |
9e4cc50d | 123 | AliJetGrid::AliJetGrid(const AliJetGrid& grid) : TNamed(grid), |
124 | fGrid(grid.fGrid), | |
125 | fNphi(grid.fNphi), | |
126 | fNeta(grid.fNeta), | |
127 | fPhi(0), | |
128 | fEta(0), | |
129 | fIndex(0), | |
130 | fIndexI(grid.fIndexI), | |
131 | fIndexJ(grid.fIndexJ), | |
132 | fPhiMin(grid.fPhiMin), | |
133 | fPhiMax(grid.fPhiMax), | |
134 | fEtaMin(grid.fEtaMin), | |
135 | fEtaMax(grid.fEtaMax), | |
136 | fEtaBinInTPCAcc(grid.fEtaBinInTPCAcc), | |
137 | fPhiBinInTPCAcc(grid.fPhiBinInTPCAcc), | |
138 | fEtaBinInEMCalAcc(grid.fEtaBinInEMCalAcc), | |
139 | fPhiBinInEMCalAcc(grid.fPhiBinInEMCalAcc), | |
140 | fNbinEta(grid.fNbinEta), | |
141 | fNbinPhi(grid.fNbinPhi), | |
142 | fMaxPhi(grid.fMaxPhi), | |
143 | fMinPhi(grid.fMinPhi), | |
144 | fMaxEta(grid.fMaxEta), | |
145 | fMinEta(grid.fMinEta), | |
146 | fDebug(grid.fDebug) | |
147 | { | |
4a01bb2c | 148 | |
149 | // Copy constructor | |
150 | ||
4a01bb2c | 151 | fPhi = new TArrayD(fNphi+1); |
152 | for(Int_t i=0; i<fNphi+1; i++) (*fPhi)[i] = grid.fPhi->At(i); | |
153 | fEta = new TArrayD(fNeta+1); | |
154 | for(Int_t i=0; i<fNeta+1; i++) (*fEta)[i] = grid.fEta->At(i); | |
155 | ||
156 | fIndex = new TMatrixD(fNphi+1,fNeta+1); | |
157 | for(Int_t i=0; i<fNphi+1; i++) { | |
158 | for(Int_t j=0; j<fNeta+1; j++) (*fIndex)(i,j)=(*grid.fIndex)(i,j); | |
159 | } | |
160 | } | |
161 | ||
9e4cc50d | 162 | |
163 | AliJetGrid& AliJetGrid::operator=(const AliJetGrid& other) | |
164 | { | |
165 | // Assignment | |
166 | fGrid = other.fGrid; | |
167 | fNphi = other.fNphi; | |
168 | fNeta = other.fNeta; | |
169 | fPhi = 0; | |
170 | fEta = 0; | |
171 | fIndex = 0; | |
172 | fIndexI = other.fIndexI; | |
173 | fIndexJ = other.fIndexJ; | |
174 | fPhiMin = other.fPhiMin; | |
175 | fPhiMax = other.fPhiMax; | |
176 | fEtaMin = other.fEtaMin; | |
177 | fEtaMax = other.fEtaMax; | |
178 | fEtaBinInTPCAcc = other.fEtaBinInTPCAcc; | |
179 | fPhiBinInTPCAcc = other.fPhiBinInTPCAcc; | |
180 | fEtaBinInEMCalAcc = other.fEtaBinInEMCalAcc; | |
181 | fPhiBinInEMCalAcc = other.fPhiBinInEMCalAcc; | |
182 | fNbinEta = other.fNbinEta; | |
183 | fNbinPhi = other.fNbinPhi; | |
184 | fMaxPhi = other.fMaxPhi; | |
185 | fMinPhi = other.fMinPhi; | |
186 | fMaxEta = other.fMaxEta; | |
187 | fMinEta = other.fMinEta; | |
188 | fDebug = other.fDebug; | |
189 | fPhi = new TArrayD(fNphi+1); | |
190 | for(Int_t i=0; i<fNphi+1; i++) (*fPhi)[i] = other.fPhi->At(i); | |
191 | fEta = new TArrayD(fNeta+1); | |
192 | for(Int_t i=0; i<fNeta+1; i++) (*fEta)[i] = other.fEta->At(i); | |
193 | ||
194 | fIndex = new TMatrixD(fNphi+1,fNeta+1); | |
195 | for(Int_t i=0; i<fNphi+1; i++) { | |
196 | for(Int_t j=0; j<fNeta+1; j++) (*fIndex)(i,j)=(*other.fIndex)(i,j); | |
197 | } | |
198 | return *this; | |
199 | } | |
200 | ||
4a01bb2c | 201 | //__________________________________________________________ |
202 | AliJetGrid::~AliJetGrid() { | |
203 | ||
204 | // Destructor | |
205 | delete fPhi; | |
206 | delete fEta; | |
207 | delete fIndexI; | |
208 | delete fIndexJ; | |
209 | delete fIndex; | |
210 | } | |
211 | ||
212 | //__________________________________________________________ | |
213 | void AliJetGrid::InitParams(Double_t phiMinCal,Double_t phiMaxCal,Double_t etaMinCal,Double_t etaMaxCal) | |
d980dfdb | 214 | { |
215 | // To set initial parameters | |
4a01bb2c | 216 | |
217 | fPhiMin = phiMinCal; // rad | |
218 | fPhiMax = phiMaxCal; // rad | |
219 | fEtaMin = etaMinCal; | |
220 | fEtaMax = etaMaxCal; | |
221 | fNbinPhi = static_cast<int>(fPhiMin/(2*TMath::Pi()/fNphi)); | |
222 | ||
223 | // Define some binning numbers | |
224 | if(fGrid==0){ | |
225 | for(Int_t i=0; i<fNphi+1; i++) fPhiBinInTPCAcc++; | |
226 | fPhiBinInEMCalAcc = 0; | |
227 | ||
228 | for(Int_t i=0; i<fNeta+1; i++) fEtaBinInTPCAcc++; | |
229 | fEtaBinInEMCalAcc = 0; | |
230 | } | |
231 | ||
232 | if(fGrid==1){ | |
233 | for(Int_t i=0; i<fNphi+1; i++) { | |
234 | fPhiBinInTPCAcc++; | |
235 | if(fPhi->At(i) >= fPhiMin && | |
236 | fPhi->At(i) <= fPhiMax) | |
237 | fPhiBinInEMCalAcc++; | |
238 | } | |
239 | for(Int_t i=0; i<fNeta+1; i++) { | |
240 | fEtaBinInTPCAcc++; | |
241 | if((fEta->At(i) >= fEtaMin) && | |
242 | (fEta->At(i) <= fEtaMax)) | |
243 | fEtaBinInEMCalAcc++; | |
244 | } | |
245 | } | |
246 | ||
247 | } | |
248 | ||
249 | //__________________________________________________________ | |
250 | TArrayD* AliJetGrid::GetArrayEta() | |
d980dfdb | 251 | { |
252 | // Returns an array with the eta points | |
4a01bb2c | 253 | |
254 | return fEta; | |
255 | ||
256 | } | |
257 | ||
258 | //__________________________________________________________ | |
259 | TArrayD* AliJetGrid::GetArrayPhi() | |
d980dfdb | 260 | { |
261 | // Returns an array with the phi points | |
4a01bb2c | 262 | |
263 | return fPhi; | |
264 | ||
265 | } | |
266 | ||
267 | //__________________________________________________________ | |
268 | TMatrixD* AliJetGrid::GetIndexObject() | |
d980dfdb | 269 | { |
270 | // Returns a pointer to the matrix | |
4a01bb2c | 271 | |
272 | return fIndex; | |
273 | ||
274 | } | |
275 | ||
276 | //__________________________________________________________ | |
277 | void AliJetGrid::GetAccParam(Int_t &nphi, Int_t &neta, Float_t &minphi, Float_t &maxphi, | |
d980dfdb | 278 | Float_t &mineta, Float_t &maxeta) const |
279 | { | |
280 | // Returns EMCAL acceptance initially setted | |
4a01bb2c | 281 | |
282 | nphi = fNphi; | |
283 | neta = fNeta; | |
284 | minphi = fPhiMin; | |
285 | maxphi = fPhiMax; | |
286 | mineta = fEtaMin; | |
287 | maxeta = fEtaMax; | |
288 | } | |
289 | ||
290 | //__________________________________________________________ | |
291 | void AliJetGrid::GetBinParam(Int_t &phibintpc, Int_t &etabintpc, | |
d980dfdb | 292 | Int_t &phibinemc, Int_t &etabinemc, Int_t &nbinphi) const |
293 | { | |
294 | // Returns number of bins in TPC and EMCAL geometry | |
4a01bb2c | 295 | |
296 | etabintpc = fEtaBinInTPCAcc; | |
297 | phibintpc = fPhiBinInTPCAcc; | |
298 | etabinemc = fEtaBinInEMCalAcc; | |
299 | phibinemc = fPhiBinInEMCalAcc; | |
300 | nbinphi = fNbinPhi; | |
301 | } | |
302 | ||
303 | //__________________________________________________________ | |
304 | Int_t AliJetGrid::GetIndexFromEtaPhi(Double_t phi,Double_t eta) const | |
d980dfdb | 305 | { |
306 | // Tells the index value of a corresponding (eta,phi) real position | |
307 | // Loop over all entries -> takes time. | |
308 | // Used one time at the begining to fill the grids | |
4a01bb2c | 309 | |
310 | /* this is how bins are numbered | |
311 | ||
312 | in all TPC or in TPC - EMCAL | |
313 | ... ... ... .. | |
314 | --------------- | |
315 | ... ... . 10 | | | 11 | |
316 | ---+---+--- --------------- | |
317 | ^ 6 | 7 | 8 or 8 | | | 9 | |
318 | | ---+---+--- --------------- | |
319 | 3 | 4 | 5 4 | 5 | 6 | 7 | |
320 | phi ---+---+--- --------------- | |
321 | 0 | 1 | 2 0 | 1 | 2 | 3 | |
322 | ||
323 | ||
324 | eta -> | |
325 | */ | |
326 | ||
327 | Int_t etaBin=0,phiBin=0,absID=0; | |
328 | Int_t etaBin2=0,etaBin3=0; | |
329 | ||
330 | // Fill all the grid in eta/phi (all TPC acceptance) | |
331 | //----------------------------------------------------- | |
332 | if(fGrid==0){ | |
333 | if(eta <= fEta->At(0)) { | |
334 | etaBin = 0; | |
335 | } else if(eta >= fEta->At(fNeta)) { | |
336 | etaBin = fNeta; | |
337 | } else { | |
338 | for(Int_t i=0; i<fNeta+1; i++) { | |
339 | if(eta < fEta->At(i)) { | |
340 | etaBin = i-1; | |
341 | break; | |
342 | } | |
343 | } | |
344 | } | |
345 | if(phi <= fPhi->At(0)) { | |
346 | phiBin = 0; | |
347 | } else if(phi >= fPhi->At(fNphi)) { | |
348 | phiBin = fNphi; | |
349 | } else { | |
350 | for(Int_t i=0; i<fNphi+1; i++) { | |
351 | if(phi < fPhi->At(i)) { | |
352 | phiBin = i-1; | |
353 | break; | |
354 | } | |
355 | } | |
356 | } | |
357 | ||
358 | // Calculate absolute id | |
359 | absID = phiBin*(fNeta+1) + etaBin; | |
360 | ||
361 | } | |
362 | ||
363 | // Fill the grid but do not count id in EMCal acceptance | |
364 | //------------------------------------------------------ | |
365 | if((eta >= fEtaMin && eta <= fEtaMax) && | |
366 | (phi >= fPhiMin && phi <= fPhiMax)){ | |
367 | etaBin = etaBin2 = etaBin3 = -1; | |
368 | phiBin = -1; | |
369 | } | |
370 | ||
371 | if(fGrid == 1){ | |
372 | if(phi<fPhiMin) { | |
373 | if(eta <= fEta->At(0)) { | |
374 | etaBin = 0; | |
375 | } else if(eta >= fEta->At(fNeta)) { | |
376 | etaBin = fNeta; | |
377 | } else { | |
378 | for(Int_t i=0; i<fNeta+1; i++) { | |
379 | if(eta < fEta->At(i)) { | |
380 | etaBin = i-1; | |
381 | break; | |
382 | } | |
383 | } | |
384 | } | |
385 | } | |
386 | else { | |
387 | if((phi>=fPhiMin) && (phi<=fPhiMax)) { | |
388 | if(eta <= fEta->At(0)) { | |
389 | etaBin2 = 0; | |
390 | } else if(eta >= fEta->At(fNeta)) { | |
391 | etaBin2 = fNeta-fEtaBinInEMCalAcc; | |
392 | } else { | |
393 | for(Int_t i=0; i<fNeta+1; i++) { | |
394 | if(eta < fEta->At(i) && ((fEta->At(0)<eta && eta<fEtaMin) || | |
395 | (fEtaMax<eta && eta<fEta->At(fNeta)))) { | |
396 | // cout << "i : " << i << endl; | |
397 | if(eta<fEtaMin) | |
398 | etaBin2 = i-1; | |
399 | else etaBin2 = i-1-fEtaBinInEMCalAcc; | |
400 | break; | |
401 | } | |
402 | } | |
403 | } | |
404 | } | |
405 | else { | |
406 | if(eta <= fEta->At(0)) { | |
407 | etaBin3 = 0; | |
408 | } else if(eta >= fEta->At(fNeta)) { | |
409 | etaBin3 = fNeta; | |
410 | } else { | |
411 | for(Int_t i=0; i<fNeta+1; i++) { | |
412 | if(eta < fEta->At(i)) { | |
413 | etaBin3 = i-1; | |
414 | break; | |
415 | } | |
416 | } | |
417 | } | |
418 | } | |
419 | } | |
420 | ||
421 | if(phi <= fPhi->At(0)) { | |
422 | phiBin = 0; | |
423 | } else if(phi >= fPhi->At(fNphi)) { | |
424 | phiBin = fNphi; | |
425 | } else { | |
426 | for(Int_t i=0; i<fNphi+1; i++) { | |
427 | if(phi < fPhi->At(i)) { | |
428 | phiBin = i-1; | |
429 | break; | |
430 | } | |
431 | } | |
432 | } | |
433 | ||
434 | // Calculate absID | |
435 | //------------------------------------------------------- | |
436 | if(phi<fPhiMin) | |
437 | absID = phiBin*(fNeta+1) + etaBin; | |
438 | if(phi>=fPhiMin && phi<=fPhiMax) { | |
439 | if(eta >= fEtaMin && eta <= fEtaMax) absID = -1; | |
440 | else{ | |
441 | absID = (fNbinPhi+1)*(fNeta+1) | |
442 | + (phiBin-fNbinPhi-1)*((fEtaBinInTPCAcc-fEtaBinInEMCalAcc)) | |
443 | + etaBin2; | |
444 | } | |
445 | } | |
446 | if(phi>fPhiMax) | |
447 | absID = (fNbinPhi+1)*(fNeta+1) | |
448 | + fPhiBinInEMCalAcc*((fEtaBinInTPCAcc-fEtaBinInEMCalAcc)) | |
449 | + (phiBin-(fNbinPhi+1+fPhiBinInEMCalAcc))*(fNeta+1) | |
450 | + etaBin3; | |
451 | ||
452 | } // END OPTION==1 | |
453 | ||
454 | return absID; | |
455 | ||
456 | } | |
457 | ||
458 | //__________________________________________________________ | |
459 | void AliJetGrid::GetEtaPhiFromIndex(Int_t index, Float_t &eta, Float_t &phi) | |
d980dfdb | 460 | { |
461 | // Get (eta,phi) position for a given index BUT loop over all entries (takes time) | |
4a01bb2c | 462 | |
463 | for(Int_t j=0; j<fNphi+1; j++) { | |
464 | for(Int_t i=0; i<fNeta+1; i++) { | |
465 | ||
466 | // TPC grid only | |
467 | //------------------------------------- | |
468 | if(fGrid==0) { | |
469 | if(j*(fNeta+1)+i == index) { | |
470 | eta = fEta->At(i); | |
471 | phi = fPhi->At(j); | |
472 | } | |
473 | } | |
474 | ||
475 | // TPC-EMCAL grid | |
476 | //------------------------------------- | |
477 | Int_t ii = 0; | |
478 | if(i==0) ii = 0; | |
479 | if(i>0 && i<(fEtaBinInTPCAcc-fEtaBinInEMCalAcc)/2) ii = i; | |
480 | if(i>=(fEtaBinInTPCAcc+fEtaBinInEMCalAcc)/2 && i<fNeta+1) ii = i-fEtaBinInEMCalAcc; | |
481 | ||
482 | if(fGrid==1) { | |
483 | if(j<(fNbinPhi+1) && j*(fNeta+1)+i == index) { | |
484 | eta = fEta->At(i); | |
485 | phi = fPhi->At(j); | |
486 | } | |
487 | ||
488 | if((j>=(fNbinPhi+1) && j<(fNbinPhi+1+fPhiBinInEMCalAcc)) && | |
489 | ((fNbinPhi+1)*(fNeta+1) + (j-fNbinPhi-1)*(fEtaBinInTPCAcc-fEtaBinInEMCalAcc) + ii)== index ) { | |
490 | if(ii==0) {Int_t ind = 0; eta = fEta->At(ind);} | |
491 | else eta = fEta->At(i); | |
492 | phi = fPhi->At(j); | |
493 | } | |
494 | ||
495 | if(j>=(fNbinPhi+1+fPhiBinInEMCalAcc) && | |
496 | ((fNbinPhi+1)*(fNeta+1)+fPhiBinInEMCalAcc*((fEtaBinInTPCAcc-fEtaBinInEMCalAcc)) | |
497 | +(j-(fNbinPhi+1+fPhiBinInEMCalAcc))*(fNeta+1)+i == index)) { | |
498 | eta = fEta->At(i); | |
499 | phi = fPhi->At(j); | |
500 | } | |
501 | } | |
502 | } | |
503 | } | |
504 | } | |
505 | ||
506 | //__________________________________________________________ | |
507 | Int_t AliJetGrid::GetIndex(Double_t phi, Double_t eta) | |
d980dfdb | 508 | { |
509 | // Get index value for a (eta,phi) position - Direct value | |
4a01bb2c | 510 | |
511 | Int_t ieta = GetIndexJFromEta(eta); | |
512 | Int_t iphi = GetIndexIFromPhi(phi); | |
513 | ||
514 | Int_t index = GetMatrixIndex(iphi,ieta); | |
515 | ||
516 | if(fDebug>10){ | |
517 | cout << "(phi,eta) : " << phi << ", " << eta << endl; | |
518 | cout << "index : " << index << endl; | |
519 | } | |
520 | return index; | |
521 | ||
522 | } | |
523 | ||
524 | //__________________________________________________________ | |
525 | Int_t AliJetGrid::GetIndexJFromEta(Double_t eta) | |
d980dfdb | 526 | { |
527 | // Get eta id | |
528 | // Eta discretized | |
4a01bb2c | 529 | |
530 | Int_t idEta =0; | |
531 | Double_t temp = (eta+fMaxEta)/(fMaxEta-fMinEta)*fNeta; | |
532 | if(fDebug>20) | |
533 | { | |
534 | cout << "eta : " << eta << endl; | |
535 | cout << "fMaxEta : " << fMaxEta << endl; | |
536 | cout << "fMinEta : " << fMinEta << endl; | |
537 | cout << "fNeta : " << fNeta << endl; | |
538 | cout << "temp eta before cast : " << temp << endl; | |
539 | } | |
540 | idEta = static_cast<Int_t>(temp+0.5); | |
541 | if(fDebug>20) cout << "temp eta after cast : " << idEta << endl; | |
542 | return idEta; | |
543 | } | |
544 | //__________________________________________________________ | |
545 | Int_t AliJetGrid::GetIndexIFromPhi(Double_t phi) | |
d980dfdb | 546 | { |
547 | // Get phi id | |
548 | // Phi discretized | |
4a01bb2c | 549 | |
550 | Int_t idPhi = 0; | |
551 | Double_t temp = 0.; | |
552 | if(fMinPhi==0) temp = phi/(fMaxPhi-fMinPhi)*fNphi; | |
553 | else temp = (phi-fMinPhi)/(fMaxPhi-fMinPhi)*fNphi; | |
554 | ||
555 | if(fDebug>20) | |
556 | { | |
557 | cout << "phi : " << phi << endl; | |
558 | cout << "fMaxPhi : " << fMaxPhi << endl; | |
559 | cout << "fMinPhi : " << fMinPhi << endl; | |
560 | cout << "fNphi : " << fNphi << endl; | |
561 | cout << "temp phi before cast : " << temp << endl; | |
562 | } | |
563 | idPhi = static_cast<Int_t>(temp+0.5); | |
564 | if(fDebug>20) cout << "temp phi after cast : " << idPhi << endl; | |
565 | return idPhi; | |
566 | ||
567 | ||
568 | } | |
569 | ||
570 | //__________________________________________________________ | |
571 | void AliJetGrid::SetMatrixIndex(Int_t i,Double_t par) | |
d980dfdb | 572 | { |
573 | // Allows to set parameters using only one index (if fGrid==0) !! | |
574 | // Not used ! | |
4a01bb2c | 575 | |
576 | Int_t iphi = (Int_t)i/fNeta; | |
577 | Int_t ieta = i-iphi*fNeta; | |
578 | SetMatrixIndex(iphi,ieta,par); | |
579 | ||
580 | return; | |
581 | } | |
582 | ||
583 | //__________________________________________________________ | |
584 | void AliJetGrid::SetMatrixIndexes() | |
d980dfdb | 585 | { |
586 | // Fill the final matrix object with the corresponding index in eta/phi | |
4a01bb2c | 587 | |
588 | for(Int_t i=0; i<fNphi+1; i++){ | |
589 | for(Int_t j=0; j<fNeta+1; j++){ | |
590 | (*fIndex)(i,j) = GetIndexFromEtaPhi(fPhi->At(i),fEta->At(j))+1; | |
591 | if(fDebug>2){ | |
592 | cout << "(*fIndex)(" << i << "," << j << ") : " << (*fIndex)(i,j) << | |
593 | ", phi : " << fPhi->At(i) << ", eta : " << fEta->At(j) << endl; | |
594 | } | |
595 | } | |
596 | } | |
597 | printf("##########################################################\n"); | |
598 | printf("TMatrix object filled !\n"); | |
599 | printf("Size of the object : phi x eta = (fNphi+1) x (fNeta+1) = %d\n",(fNphi+1)*(fNeta+1)); | |
600 | printf("##########################################################\n"); | |
601 | } | |
602 | ||
603 | //__________________________________________________________ | |
604 | void AliJetGrid::SetIndexIJ() | |
d980dfdb | 605 | { |
606 | // Set the grid index | |
4a01bb2c | 607 | |
608 | for(Int_t i=0; i<fNphi+1; i++){ | |
609 | for(Int_t j=0; j<fNeta+1; j++){ | |
610 | Int_t id = static_cast<Int_t>((*fIndex)(i,j)); | |
611 | ||
612 | if(id!=-1) | |
613 | { | |
614 | (*fIndexI)[id] = i; | |
615 | (*fIndexJ)[id] = j; | |
616 | } | |
617 | } | |
618 | } | |
619 | ||
620 | printf("##########################################################\n"); | |
621 | printf(" In SetIndexIJ - Grid indexes setted !\n"); | |
622 | printf("##########################################################\n"); | |
623 | } | |
624 | ||
625 | //__________________________________________________________ | |
d980dfdb | 626 | void AliJetGrid::GetIJFromIndex(Int_t index, Int_t i, Int_t j) const |
627 | { | |
628 | // Returns i position id of eta and j position id of phi for a given grid index | |
4a01bb2c | 629 | i = (*fIndexI)[index]; |
630 | j = (*fIndexJ)[index]; | |
631 | } | |
632 | ||
633 | //__________________________________________________________ | |
634 | void AliJetGrid::GetEtaPhiFromIndex2(Int_t index, Float_t &phi, Float_t &eta) | |
d980dfdb | 635 | { |
636 | // Returns eta, phi values for a given grid index | |
4a01bb2c | 637 | |
638 | phi = fPhi->At((*fIndexI)[index]); | |
639 | eta = fEta->At((*fIndexJ)[index]); | |
640 | } | |
641 | ||
642 | //__________________________________________________________ | |
643 | Int_t AliJetGrid::GetNEntries() | |
d980dfdb | 644 | { |
645 | // Returns the number of entries of the grid | |
4a01bb2c | 646 | |
647 | if(fDebug>20){ | |
648 | cout << "fMaxPhi : " << fMaxPhi << endl; | |
649 | cout << "fMaxEta : " << fMaxEta << endl; | |
650 | } | |
651 | ||
652 | Int_t indexNum = GetIndex(fMaxPhi,fMaxEta); | |
653 | if(fDebug>20) cout << "indexNum : " << indexNum << endl; | |
654 | return indexNum; | |
655 | ||
656 | } | |
657 | ||
658 | //__________________________________________________________ | |
659 | Int_t AliJetGrid::GetNEntries2() | |
d980dfdb | 660 | { |
661 | // Returns the number of entries of the grid | |
4a01bb2c | 662 | |
663 | Int_t indexNum = GetIndex(fMaxPhi-1.,fMaxEta-0.5); | |
664 | if(fDebug>20) cout << "indexNum : " << indexNum << endl; | |
665 | return indexNum; | |
666 | ||
667 | } | |
668 | ||
669 | ||
670 | ||
671 | ||
672 | ||
673 |