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5a3482a0 | 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 | // // | |
18 | // AliHMPIDReconHTA // | |
19 | // // | |
20 | // HMPID class to perfom pattern recognition based on Hough transfrom // | |
21 | // for single chamber // | |
22 | ////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include "AliHMPIDReconHTA.h"//class header | |
25 | #include "AliHMPIDCluster.h" //CkovHiddenTrk() | |
26 | #include "AliHMPIDRecon.h" //FunMinPhot() | |
9785d5fb | 27 | #include <TFile.h> //Database() |
5a3482a0 | 28 | #include <TMinuit.h> //FitFree() |
29 | #include <TClonesArray.h> //CkovHiddenTrk() | |
30 | #include <AliESDtrack.h> //CkovHiddenTrk() | |
9785d5fb | 31 | #include <TH2F.h> //InitDatabase() |
5a3482a0 | 32 | #include <TGraph.h> //ShapeModel() |
5a3482a0 | 33 | #include <TSpline.h> //ShapeModel() |
34 | #include "TStopwatch.h" // | |
35 | ||
170a4fc5 | 36 | Int_t AliHMPIDReconHTA::fgDB[500][150]={75000*0}; |
5a3482a0 | 37 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
c61a7285 | 38 | AliHMPIDReconHTA::AliHMPIDReconHTA(): |
39 | TTask("RichRec","RichPat"), | |
40 | fMipX(-999), | |
41 | fMipY(-999), | |
42 | fMipQ(-999), | |
43 | fRadX(-999), | |
44 | fRadY(-999), | |
45 | fIdxMip(0), | |
46 | fNClu(0), | |
47 | fXClu(0), | |
48 | fYClu(0), | |
49 | fClCk(0), | |
ee2f3539 | 50 | fThTrkIn(-999), |
51 | fPhTrkIn(-999), | |
c61a7285 | 52 | fThTrkFit(-999), |
53 | fPhTrkFit(-999), | |
54 | fCkovFit(-999), | |
55 | fCkovSig2(0), | |
56 | fParam(AliHMPIDParam::Instance()) | |
5a3482a0 | 57 | { |
58 | //.. | |
59 | //hidden algorithm | |
60 | //.. | |
5a3482a0 | 61 | fParam->SetRefIdx(fParam->MeanIdxRad()); // initialization of ref index to a default one |
5565f017 | 62 | InitDatabase(); |
5a3482a0 | 63 | } |
64 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
65 | AliHMPIDReconHTA::~AliHMPIDReconHTA() | |
66 | { | |
67 | DeleteVars(); | |
68 | } | |
69 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
70 | void AliHMPIDReconHTA::InitVars(Int_t n) | |
71 | { | |
72 | //.. | |
73 | //Init some variables | |
74 | //.. | |
75 | fXClu = new Double_t[n]; | |
76 | fYClu = new Double_t[n]; | |
77 | fClCk = new Bool_t[n]; | |
78 | for(Int_t i=0;i<n;i++) fClCk[i] = kTRUE; | |
79 | // | |
80 | } | |
81 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
aa00f952 | 82 | void AliHMPIDReconHTA::DeleteVars()const |
5a3482a0 | 83 | { |
84 | //.. | |
85 | //Delete variables | |
86 | //.. | |
87 | if(fXClu) delete fXClu; | |
88 | if(fYClu) delete fYClu; | |
89 | if(fClCk) delete fClCk; | |
90 | } | |
91 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
9785d5fb | 92 | Bool_t AliHMPIDReconHTA::CkovHiddenTrk(AliESDtrack *pTrk,TClonesArray *pCluLst,Int_t index, Double_t nmean) |
5a3482a0 | 93 | { |
94 | // Pattern recognition method without any infos from tracking:HTA (Hidden Track Algorithm)... | |
95 | // The method finds in the chmuber the cluster with the highest charge | |
96 | // compatibile with a MIP, then the strategy is applied | |
97 | // Arguments: pTrk - pointer to ESD track | |
98 | // pCluLs - list of clusters for a given chamber | |
9785d5fb | 99 | // pNmean - pointer to ref. index |
100 | // pQthre - pointer to qthre | |
5a3482a0 | 101 | // Returns: - 0=ok,1=not fitted |
102 | ||
103 | AliHMPIDParam *pParam = AliHMPIDParam::Instance(); | |
5a3482a0 | 104 | |
9785d5fb | 105 | if(!CluPreFilter(pCluLst)) return kFALSE; |
106 | ||
5a3482a0 | 107 | Int_t nCh=0; |
43d3333b | 108 | Int_t sizeClu=0; |
9785d5fb | 109 | |
110 | fNClu = pCluLst->GetEntriesFast(); | |
111 | ||
112 | for (Int_t iClu=0;iClu<fNClu;iClu++){ //clusters loop | |
5a3482a0 | 113 | AliHMPIDCluster *pClu=(AliHMPIDCluster*)pCluLst->UncheckedAt(iClu); //get pointer to current cluster |
5a3482a0 | 114 | fXClu[iClu] = pClu->X();fYClu[iClu] = pClu->Y(); //store x,y for fitting procedure |
115 | fClCk[iClu] = kTRUE; //all cluster are accepted at this stage to be reconstructed | |
9785d5fb | 116 | |
117 | if(iClu == index) { | |
118 | ||
119 | fMipX = pClu->X(); | |
120 | fMipY = pClu->Y(); | |
121 | fMipQ = pClu->Q(); | |
122 | sizeClu = pClu->Size(); | |
123 | nCh = pClu->Ch(); | |
124 | fClCk[index] = kFALSE; | |
125 | fIdxMip = index; | |
126 | // Printf(" n. %d x %f y %f Q %f",iClu,pClu->X(),pClu->Y(),pClu->Q()); | |
127 | } | |
5a3482a0 | 128 | }//clusters loop |
9785d5fb | 129 | |
130 | pParam->SetRefIdx(nmean); | |
131 | ||
e56b695f | 132 | // |
133 | Float_t xra,yra,th,ph; pTrk->GetHMPIDtrk(xra,yra,th,ph); | |
ee2f3539 | 134 | // Printf(" simulated phi %6.2f ",ph*TMath::RadToDeg()); |
e56b695f | 135 | // |
136 | ||
9785d5fb | 137 | if(!DoRecHiddenTrk()) { |
138 | pTrk->SetHMPIDsignal(pParam->kNoPhotAccept); | |
139 | return kFALSE; | |
140 | } //Do track and ring reconstruction,if problems returns 1 | |
ee2f3539 | 141 | // Printf(" fitted phi %6.2f ",fPhTrkFit*TMath::RadToDeg()); |
9785d5fb | 142 | |
143 | pTrk->SetHMPIDtrk(fRadX,fRadY,fThTrkFit,fPhTrkFit); //store track intersection info | |
144 | pTrk->SetHMPIDmip(fMipX,fMipY,(Int_t)fMipQ,fNClu); //store mip info | |
145 | pTrk->SetHMPIDcluIdx(nCh,fIdxMip+1000*sizeClu); //set cham number, index of cluster + cluster size | |
146 | pTrk->SetHMPIDsignal(fCkovFit); //find best Theta ckov for ring i.e. track | |
147 | pTrk->SetHMPIDchi2(fCkovSig2); //errors squared | |
5a3482a0 | 148 | // Printf(" n clusters tot %i accepted %i",pCluLst->GetEntriesFast(),fNClu); |
149 | // Printf("CkovHiddenTrk: thetaC %f th %f ph %f",fCkovFit,fThTrkFit,fPhTrkFit); | |
5a3482a0 | 150 | |
9785d5fb | 151 | return kTRUE; |
152 | ||
5a3482a0 | 153 | }//CkovHiddenTrk() |
154 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
155 | Bool_t AliHMPIDReconHTA::DoRecHiddenTrk() | |
156 | { | |
157 | // Pattern recognition method without any infos from tracking... | |
158 | // First a preclustering filter to avoid part of the noise | |
159 | // Then only ellipsed-rings are fitted (no possibility, | |
160 | // for the moment, to reconstruct very inclined tracks) | |
161 | // Finally a fitting with (th,ph) free, starting by very close values | |
162 | // previously evaluated. | |
163 | // Arguments: none | |
164 | // Returns: none | |
165 | Double_t thTrkRec,phiTrkRec,thetaCRec; | |
166 | ||
ee2f3539 | 167 | if(!FindShape(thTrkRec,phiTrkRec,thetaCRec)) { |
168 | // Printf("FindShape failed...!"); | |
169 | return kFALSE; | |
170 | } | |
5a3482a0 | 171 | |
ee2f3539 | 172 | if(!FitFree(thTrkRec,phiTrkRec)) { |
173 | // Printf("FitFree failed...!"); | |
174 | return kFALSE; | |
175 | } | |
176 | ||
5a3482a0 | 177 | return kTRUE; |
178 | }//DoRecHiddenTrk() | |
5a3482a0 | 179 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
180 | Bool_t AliHMPIDReconHTA::CluPreFilter(TClonesArray *pCluLst) | |
181 | { | |
aa00f952 | 182 | // Pre-filter of bkg clusters |
183 | // Arguments: pSluLst - List of the clusters for a given chamber | |
184 | // Returns: status - TRUE if filtering leaves enough photons, FALSE if not | |
5a3482a0 | 185 | // |
186 | Int_t nClusTot = pCluLst->GetEntriesFast(); | |
187 | if(nClusTot<4||nClusTot>100) { | |
188 | return kFALSE; | |
189 | } else { | |
190 | InitVars(nClusTot); | |
191 | return kTRUE; | |
192 | } | |
193 | } | |
194 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
195 | Bool_t AliHMPIDReconHTA::FindShape(Double_t &thTrkRec,Double_t &phiTrkRec,Double_t &thetaCRec) | |
196 | { | |
aa00f952 | 197 | // Finds the estimates for phi and theta of the track and the ThetaCerenkov |
198 | // by using a database of the shapes of the rings | |
199 | // Arguments: none | |
200 | // Returns: thTrkRec - estimate of theta track | |
201 | // phiTrkRec - estimate of phi track | |
202 | // thetaCRec - estimate of ThetaCerenkov | |
203 | // status - TRUE if a good solution is found, FALSE if not | |
204 | ||
5a3482a0 | 205 | Double_t *phiphot = new Double_t[fNClu]; |
206 | Double_t *dist = new Double_t[fNClu]; | |
207 | Int_t *indphi = new Int_t[fNClu]; | |
208 | ||
209 | Bool_t status; | |
210 | ||
9785d5fb | 211 | // Sort in phi angle... |
212 | // Printf(" mipX %f mipy %f",fMipX,fMipY); | |
5a3482a0 | 213 | for(Int_t i=0;i<fNClu;i++) { |
9785d5fb | 214 | if(!fClCk[i]) { |
215 | phiphot[i] = 999.; | |
216 | dist[i] = 999.; | |
217 | continue; | |
218 | } | |
5a3482a0 | 219 | phiphot[i] = (TMath::ATan2(fMipY-fYClu[i],fMipX-fXClu[i])+TMath::Pi())*TMath::RadToDeg(); |
220 | dist[i]=TMath::Sqrt((fMipX-fXClu[i])*(fMipX-fXClu[i])+(fMipY-fYClu[i])*(fMipY-fYClu[i])); | |
9785d5fb | 221 | // Printf(" n.%3i phiphot %f dist %f check %i",i,phiphot[i],dist[i],fClCk[i]); |
5a3482a0 | 222 | } |
223 | ||
224 | TMath::Sort(fNClu,phiphot,indphi,kFALSE); | |
225 | ||
226 | // Purify with a truncated mean; | |
227 | Int_t np=0; | |
228 | Double_t dMean = 0; | |
229 | Double_t dMean2 = 0; | |
230 | for(Int_t i=0;i<fNClu;i++) { | |
231 | if(!fClCk[indphi[i]]) continue; // Check if a good photon candidate or not | |
232 | dMean +=dist[indphi[i]]; | |
233 | dMean2+=dist[indphi[i]]*dist[indphi[i]]; | |
234 | np++; | |
235 | } | |
236 | ||
237 | dMean /=(Double_t)np; | |
238 | dMean2 /=(Double_t)np; | |
239 | Double_t rms = TMath::Sqrt(dMean2 - dMean*dMean); | |
240 | ||
241 | for(Int_t i=0;i<fNClu;i++) { | |
242 | if(!fClCk[indphi[i]]) continue; // Check if a good photon candidate or not | |
243 | if(TMath::Abs(dMean-dist[indphi[i]]) > 2*rms) { | |
244 | fClCk[indphi[i]] = kFALSE; | |
245 | continue; | |
246 | } | |
247 | } | |
248 | ||
249 | // | |
250 | // purify vectors for good photon candidates | |
251 | // | |
252 | Int_t npeff=0; | |
253 | Double_t *phiphotP = new Double_t[fNClu+1]; | |
254 | Double_t *distP = new Double_t[fNClu+1]; | |
255 | for(Int_t i=0;i<fNClu;i++) { | |
256 | if(!fClCk[indphi[i]]) continue; // Check if a good photon candidate or not | |
257 | phiphotP[npeff] = phiphot[indphi[i]]; | |
258 | distP[npeff] = dist[indphi[i]]; | |
9785d5fb | 259 | // Printf("n. %2i phi %f dist %f",npeff,phiphotP[npeff],distP[npeff]); |
5a3482a0 | 260 | npeff++; |
261 | } | |
262 | ||
263 | delete [] phiphot; | |
264 | delete [] dist; | |
265 | delete [] indphi; | |
266 | ||
267 | if(npeff<3) { | |
ee2f3539 | 268 | Printf("FindShape failed: no enough photons = %i...",npeff); |
5a3482a0 | 269 | delete [] phiphotP; |
270 | delete [] distP; | |
271 | return kFALSE; | |
272 | } | |
273 | ||
274 | // for(Int_t i=0;i<npeff;i++) {Printf(" n. %d phiphot %f dist %f",i,phiphotP[i],distP[i]);} | |
275 | ||
276 | Double_t xA,xB; | |
9785d5fb | 277 | status = kFALSE; |
ee2f3539 | 278 | |
170a4fc5 | 279 | if(!ShapeModel(npeff,phiphotP,distP,xA,xB,phiTrkRec)) {/*Printf("ShapeModel failed ");*/ return kFALSE;} |
5a3482a0 | 280 | |
ee2f3539 | 281 | // if(xA > 50 || xB > 15) {Printf("xA and xB failed out of range"); return kFALSE;} |
5a3482a0 | 282 | |
170a4fc5 | 283 | Int_t binxDB,binyDB; |
284 | FindBinDB(xA,xB,binxDB,binyDB); | |
285 | if(binxDB<0 || binyDB<0) {/*Printf("bin < 0 ! failed ");*/ return kFALSE;} | |
ee2f3539 | 286 | |
170a4fc5 | 287 | Int_t compactDB = fgDB[binxDB][binyDB]; |
ee2f3539 | 288 | |
170a4fc5 | 289 | if(compactDB<0) {/*Printf("compact< 0! failed ");*/ return kFALSE;} |
ee2f3539 | 290 | // |
ee2f3539 | 291 | // |
170a4fc5 | 292 | thetaCRec = (Double_t)(compactDB%1000); |
293 | thTrkRec = (Double_t)(compactDB/1000); | |
5a3482a0 | 294 | |
ee2f3539 | 295 | thTrkRec *= TMath::DegToRad(); |
296 | thetaCRec *= TMath::DegToRad(); | |
9785d5fb | 297 | |
ee2f3539 | 298 | status = kTRUE; |
5a3482a0 | 299 | |
300 | delete [] phiphotP; | |
301 | delete [] distP; | |
302 | ||
303 | return status; | |
304 | } | |
305 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
306 | Bool_t AliHMPIDReconHTA::ShapeModel(Int_t np,Double_t *phiphot,Double_t *dist,Double_t &xA,Double_t &xB,Double_t &phiStart) | |
307 | { | |
aa00f952 | 308 | // Find a Spline curve to define dist. vs. phi angle |
309 | // in order to estimate the phi of the track | |
310 | // Arguments: np - # points corresponding to # photon candidates | |
311 | // dist - distance of each photon from MIP | |
312 | // phiphot - phi of the photon in the DRS | |
313 | // Returns: xA - min. distance from MIP | |
314 | // xB - dist. from mip perpedicular to the major axis | |
315 | // phiStart- estimate of the track phi | |
316 | ||
5a3482a0 | 317 | TGraph *phigr = new TGraph(np,phiphot,dist); |
318 | TSpline3 *sphi = new TSpline3("sphi",phigr); | |
319 | if(!sphi) {Printf("Spline not created!Bye.");return kFALSE;} | |
320 | ||
321 | Int_t locMin = TMath::LocMin(np,dist); | |
322 | Int_t locMax = TMath::LocMax(np,dist); | |
323 | ||
324 | Double_t minX = phiphot[locMin]; | |
325 | // Double_t minY = dist[locMin]; | |
326 | Double_t maxX = phiphot[locMax]; | |
327 | // Double_t maxY = dist[locMax]; | |
328 | ||
329 | Int_t ip[3] = {-1,0,1}; | |
330 | if(locMin==0 ) {ip[0]= 0;ip[1]= 1;ip[2]= 2;} | |
331 | if(locMin==np-1) {ip[0]=-2;ip[1]=-1;ip[2]= 0;} | |
332 | ||
333 | Double_t minXf = VertParab(phiphot[locMin+ip[0]],dist[locMin+ip[0]], | |
334 | phiphot[locMin+ip[1]],dist[locMin+ip[1]], | |
335 | phiphot[locMin+ip[2]],dist[locMin+ip[2]]); | |
336 | if(minXf< phiphot[locMin+ip[0]] || minXf > phiphot[locMin+ip[2]]) minXf = minX; | |
337 | ||
338 | ip[0]=-1;ip[1]=0;ip[2]=1; | |
339 | if(locMax==0 ) {ip[0]= 0;ip[1]= 1;ip[2]= 2;} | |
340 | if(locMax==np-1) {ip[0]=-2;ip[1]=-1;ip[2]= 0;} | |
341 | ||
342 | Double_t maxXf = VertParab(phiphot[locMax+ip[0]],dist[locMax+ip[0]], | |
343 | phiphot[locMax+ip[1]],dist[locMax+ip[1]], | |
344 | phiphot[locMax+ip[2]],dist[locMax+ip[2]]); | |
345 | if(maxXf< phiphot[locMax+ip[0]] || maxXf > phiphot[locMax+ip[2]]) maxXf = maxX; | |
346 | ||
5a3482a0 | 347 | // |
348 | if(TMath::Abs(maxXf-minXf)>30) { | |
349 | xA = sphi->Eval(minXf); | |
350 | if(xA < 0) xA = dist[sphi->FindX(xA)]; | |
351 | xB = sphi->Eval(minXf-90); | |
352 | if(xB < 0) xB = dist[sphi->FindX(xB)]; | |
353 | phiStart = minXf-180; //open ring or acceptance effect...so believe to min phi angle! | |
354 | } else { | |
355 | phiStart = 0.5*(maxXf-180+minXf); | |
356 | xA = sphi->Eval(phiStart+180); | |
357 | if(xA < 0) xA = dist[sphi->FindX(xA)]; | |
358 | xB = sphi->Eval(phiStart+90); | |
359 | if(xB < 0) xB = dist[sphi->FindX(xB)]; | |
360 | } | |
361 | // | |
362 | // Printf("ShapeModel: phiStart %f xA %f xB %f",phiStart,xA,xB); | |
363 | ||
9a573d52 | 364 | |
e56b695f | 365 | phiStart*=TMath::DegToRad(); |
ee2f3539 | 366 | //---- |
367 | Double_t phitest = FindSimmPhi(); | |
368 | phiStart = phitest; | |
369 | //--- | |
e56b695f | 370 | // Printf("phiStart %f phiTest %f",phiStart*TMath::RadToDeg(),phitest*TMath::RadToDeg()); |
9785d5fb | 371 | |
5a3482a0 | 372 | return kTRUE; |
373 | } | |
374 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
aa00f952 | 375 | Double_t AliHMPIDReconHTA::VertParab(Double_t x1,Double_t y1,Double_t x2, Double_t y2, Double_t x3, Double_t y3)const |
5a3482a0 | 376 | { |
aa00f952 | 377 | // It uses parabola from 3 points to evaluate the x-coord of the parab |
378 | // Arguments: xi,yi - points | |
379 | // Returns: x-coord of the vertex | |
380 | ||
5a3482a0 | 381 | Double_t a = ((x1-x3)*(y1-y2)-(x1-x2)*(y1-y3))/((x1*x1-x2*x2)*(x1-x3)-(x1*x1-x3*x3)*(x1-x2)); |
382 | Double_t b = (y1-y2 - a*(x1*x1-x2*x2))/(x1-x2); | |
383 | // Double_t c = y1 - a*x1*x1-b*x1; | |
384 | return -0.5*b/a; | |
385 | } | |
386 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
387 | Bool_t AliHMPIDReconHTA::FitFree(Double_t thTrkRec,Double_t phiTrkRec) | |
388 | { | |
389 | // Fit performed by minimizing RMS/sqrt(n) of the | |
390 | // photons reconstructed. First phi is fixed and theta | |
391 | // is fouond, then (th,ph) of the track | |
392 | // as free parameters | |
393 | // Arguments: PhiRec phi of the track | |
394 | // Returns: none | |
395 | ||
5a3482a0 | 396 | TMinuit *pMinuit = new TMinuit(2); |
397 | pMinuit->mncler(); | |
398 | gMinuit->SetObjectFit((TObject*)this); gMinuit->SetFCN(AliHMPIDReconHTA::FunMinPhot); //set fit function | |
399 | Double_t aArg=-1,parStep,parLow,parHigh; Int_t iErrFlg; //tmp vars for TMinuit | |
400 | Double_t d1,d2,d3; | |
401 | TString sName; | |
402 | Double_t th,ph; | |
403 | ||
404 | pMinuit->mnexcm("SET PRI",&aArg,1,iErrFlg); //suspend all printout from TMinuit | |
405 | pMinuit->mnexcm("SET NOW",&aArg,0,iErrFlg); | |
406 | ||
407 | if(thTrkRec==0) thTrkRec = 3.*TMath::DegToRad(); // not to start from the edge... | |
408 | ||
409 | pMinuit->mnparm(0," thTrk ",thTrkRec ,parStep=0.01,parLow=0,parHigh=TMath::PiOver4(),iErrFlg); | |
410 | pMinuit->mnparm(1," phiTrk ",phiTrkRec,parStep=0.01,parLow=0,parHigh=TMath::TwoPi(),iErrFlg); | |
411 | ||
412 | pMinuit->FixParameter(1); | |
413 | pMinuit->mnexcm("SIMPLEX" ,&aArg,0,iErrFlg); | |
414 | pMinuit->mnexcm("MIGRAD" ,&aArg,0,iErrFlg); | |
415 | pMinuit->Release(1); | |
416 | pMinuit->mnexcm("MIGRAD" ,&aArg,0,iErrFlg); | |
417 | ||
418 | pMinuit->mnpout(0,sName,th,d1,d2,d3,iErrFlg); | |
419 | pMinuit->mnpout(1,sName,ph,d1,d2,d3,iErrFlg); | |
420 | ||
421 | Double_t f,par[2]; | |
422 | Double_t *grad=0x0; | |
423 | par[0] = th;par[1] = ph; | |
424 | pMinuit->Eval(2,grad,f,par,3); | |
425 | ||
5a3482a0 | 426 | SetTrkFit(th,ph); |
427 | return kTRUE; | |
428 | } | |
429 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
430 | void AliHMPIDReconHTA::FunMinPhot(Int_t &/* */,Double_t* /* */,Double_t &f,Double_t *par,Int_t iflag) | |
431 | { | |
432 | // Minimization function to find best track and thetaC parameters | |
433 | // Arguments: f = function value to minimize | |
434 | // par = list of parameter to find | |
435 | // iflag = flag status. See Minuit instructions | |
436 | // Returns: none | |
437 | // | |
438 | // Note: it is necessary to call an instance of AlihMPIDParam. Not possible to use fParam | |
439 | // because of the static instantiation of the function in Minuit | |
440 | ||
441 | AliHMPIDParam *pParam=AliHMPIDParam::Instance(); | |
442 | AliHMPIDReconHTA *pRecHTA=(AliHMPIDReconHTA*)gMinuit->GetObjectFit(); | |
443 | AliHMPIDRecon pRec; | |
444 | Double_t sizeCh = 0.5*pParam->RadThick()+pParam->WinThick()+pParam->GapThick(); | |
445 | Double_t thTrk = par[0]; | |
446 | Double_t phTrk = par[1]; | |
447 | Double_t xrad = pRecHTA->MipX() - sizeCh*TMath::Tan(thTrk)*TMath::Cos(phTrk); | |
448 | Double_t yrad = pRecHTA->MipY() - sizeCh*TMath::Tan(thTrk)*TMath::Sin(phTrk); | |
449 | pRecHTA->SetRadXY(xrad,yrad); | |
450 | pRec.SetTrack(xrad,yrad,thTrk,phTrk); | |
451 | ||
452 | Double_t meanCkov =0; | |
453 | Double_t meanCkov2=0; | |
454 | Double_t thetaCer,phiCer; | |
455 | Int_t nClAcc = 0; | |
456 | Int_t nClTot=pRecHTA->NClu(); | |
457 | ||
458 | for(Int_t i=0;i<nClTot;i++) { | |
459 | if(!(pRecHTA->ClCk(i))) continue; | |
460 | pRec.FindPhotCkov(pRecHTA->XClu(i),pRecHTA->YClu(i),thetaCer,phiCer); | |
461 | meanCkov += thetaCer; | |
462 | meanCkov2 += thetaCer*thetaCer; | |
463 | nClAcc++; | |
464 | } | |
465 | if(nClAcc==0) {f=999;return;} | |
466 | meanCkov /=(Double_t)nClAcc; | |
467 | meanCkov2 /=(Double_t)nClAcc; | |
468 | Double_t rms = TMath::Sqrt(TMath::Abs(meanCkov2 - meanCkov*meanCkov)); | |
469 | f = rms/TMath::Sqrt((Double_t)nClAcc); | |
470 | ||
471 | if(iflag==3) { | |
472 | /* | |
473 | Printf("FunMinPhot before: photons candidates %i used %i",nClTot,nClAcc); | |
474 | nClAcc = 0; | |
475 | Double_t meanCkov1=0; | |
476 | Double_t meanCkov2=0; | |
477 | for(Int_t i=0;i<nClTot;i++) { | |
478 | if(!(pRec->ClCk(i))) continue; | |
479 | pRec->FindPhotCkov(pRec->XClu(i),pRec->YClu(i),thetaCer,phiCer); | |
480 | if(TMath::Abs(thetaCer-meanCkov)<2*rms) { | |
481 | meanCkov1 += thetaCer; | |
482 | meanCkov2 += thetaCer*thetaCer; | |
483 | nClAcc++; | |
484 | } else pRec->SetClCk(i,kFALSE); | |
485 | } | |
486 | meanCkov1/=nClAcc; | |
487 | Double_t rms2 = (meanCkov2 - meanCkov*meanCkov*nClAcc)/nClAcc; | |
488 | Printf("FunMinPhot after: photons candidates %i used %i thetaCer %f",nClTot,nClAcc,meanCkov1); | |
489 | pRec->SetCkovFit(meanCkov1); | |
490 | pRec->SetCkovSig2(rms2); | |
491 | pRec->SetNClu(nClAcc); | |
492 | */ | |
493 | // Printf("FunMinPhot: reconstructed theta Cerenkov %f with %d photons",meanCkov,nClAcc); | |
494 | pRecHTA->SetCkovFit(meanCkov); | |
495 | pRecHTA->SetCkovSig2(rms*rms); | |
496 | pRecHTA->SetNClu(nClAcc); | |
497 | } | |
498 | }//FunMinPhot() | |
499 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
500 | void AliHMPIDReconHTA::InitDatabase() | |
501 | { | |
aa00f952 | 502 | // Construction a database of ring shapes on fly |
503 | // Arguments: none | |
504 | // Returns : none | |
170a4fc5 | 505 | // N.B. fgDB is the distance with x-min from MIP |
506 | // y-dist from the ring of the MIP perpendicular to major axis | |
aa00f952 | 507 | // The content is the packed info of track theta and thetaC in degrees |
508 | // thetaC+1000*thTrk | |
509 | // | |
9785d5fb | 510 | // TFile *pout = new TFile("./database.root","recreate"); |
ee2f3539 | 511 | |
170a4fc5 | 512 | static Bool_t isDone = kFALSE; |
513 | ||
5a3482a0 | 514 | TStopwatch timer; |
170a4fc5 | 515 | |
516 | if(isDone) { | |
5565f017 | 517 | return; |
518 | } | |
170a4fc5 | 519 | |
520 | if(!isDone) { | |
521 | timer.Start(); | |
522 | } | |
523 | ||
5a3482a0 | 524 | AliInfo(Form("database HTA is being built.Please, wait...")); |
525 | // | |
c61a7285 | 526 | Double_t x[3]={0,0,0},y[3]; |
5a3482a0 | 527 | |
528 | AliHMPIDRecon rec; | |
529 | ||
530 | if(!fParam) fParam=AliHMPIDParam::Instance(); | |
531 | Double_t thetaMax = TMath::ACos(1./fParam->MeanIdxRad()); | |
532 | Double_t thTrkMax = 1./TMath::ASin(fParam->MeanIdxRad()); | |
533 | ||
534 | Int_t nstepx = 1000; | |
535 | Int_t nstepy = 1000; | |
536 | ||
5a3482a0 | 537 | // |
538 | Double_t xrad = 0; | |
539 | Double_t yrad = 0; | |
540 | Double_t phTrk = 0; | |
541 | ||
542 | for(Int_t i=0;i<nstepx;i++) { //loop on thetaC | |
543 | for(Int_t j=0;j<nstepy;j++) { //loop on theta particle | |
544 | Double_t thetaC = thetaMax/nstepx*((Double_t)i+0.5); | |
545 | Double_t thTrk = thTrkMax/nstepy*((Double_t)j+0.5); | |
546 | // | |
547 | //mip position | |
548 | // | |
fcaff63d | 549 | Double_t sizeCh = 0.5*fParam->RadThick()+fParam->WinThick()+fParam->GapThick(); |
5a3482a0 | 550 | Double_t xmip = xrad + sizeCh*TMath::Tan(thTrk)*TMath::Cos(phTrk); |
551 | Double_t ymip = yrad + sizeCh*TMath::Tan(thTrk)*TMath::Sin(phTrk); | |
552 | ||
553 | Double_t dist1,dist2; | |
554 | // | |
555 | //first point at phi=0 | |
556 | // | |
557 | rec.SetTrack(xrad,yrad,thTrk,phTrk); | |
558 | TVector2 pos; | |
559 | pos=rec.TracePhot(thetaC,0); | |
560 | ||
561 | if(pos.X()==-999) { | |
ee2f3539 | 562 | dist1 = 0; //open ring...only the distance btw mip and point at 180 will be considered |
5a3482a0 | 563 | } else { |
564 | x[0] = pos.X(); y[0] = pos.Y(); | |
565 | dist1 = TMath::Sqrt((x[0]-xmip)*(x[0]-xmip)+(y[0]-ymip)*(y[0]-ymip)); | |
566 | } | |
567 | // | |
568 | //second point at phi=180 | |
569 | // | |
570 | rec.SetTrack(xrad,yrad,thTrk,phTrk); | |
571 | pos=rec.TracePhot(thetaC,TMath::Pi()); | |
572 | ||
573 | if(pos.X()==-999) {Printf("it should not happens!Bye");return;} | |
574 | x[1] = pos.X(); y[1] = pos.Y(); | |
575 | if((x[1]-xmip)*(x[0]-xmip)>0) continue; // to avoid circles out mips (for very low ThetaC) | |
576 | dist2 = TMath::Sqrt((x[1]-xmip)*(x[1]-xmip)+(y[1]-ymip)*(y[1]-ymip)); | |
577 | ||
578 | // Double_t distA = dist1+dist2; | |
579 | Double_t distA = dist2; // only the minimum: problem of acceptance | |
580 | // | |
581 | //second point at phi=90 | |
582 | // | |
583 | rec.SetTrack(xrad,yrad,thTrk,phTrk); | |
584 | pos=rec.TracePhot(thetaC,TMath::PiOver2()); | |
585 | ||
586 | if(pos.X()==-999) continue; | |
587 | x[2] = pos.X(); y[2] = pos.Y(); | |
588 | Double_t distB = TMath::Sqrt((x[2]-xmip)*(x[2]-xmip)+(y[2]-ymip)*(y[2]-ymip)); | |
589 | // compact the infos... | |
590 | Int_t compact = (Int_t)(thetaC*TMath::RadToDeg())+1000*(Int_t)(thTrk*TMath::RadToDeg()); | |
ee2f3539 | 591 | Int_t binxDB,binyDB; |
592 | FindBinDB(distA,distB,binxDB,binyDB); | |
170a4fc5 | 593 | if(fgDB[binxDB][binyDB]==0) fgDB[binxDB][binyDB] = compact; |
5a3482a0 | 594 | } |
595 | } | |
596 | ||
9785d5fb | 597 | FillZeroChan(); |
5a3482a0 | 598 | |
170a4fc5 | 599 | if(!isDone) { |
600 | timer.Stop(); | |
601 | Double_t nSecs = timer.CpuTime(); | |
602 | AliInfo(Form("database HTA successfully open in %3.1f sec.(CPU). Reconstruction is started.",nSecs)); | |
603 | isDone = kTRUE; | |
604 | } | |
9785d5fb | 605 | |
606 | // pout->Write(); | |
607 | // pout->Close(); | |
608 | ||
9a573d52 | 609 | }//InitDatabase() |
5a3482a0 | 610 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
9785d5fb | 611 | void AliHMPIDReconHTA::FillZeroChan()const |
5a3482a0 | 612 | { |
606697a8 | 613 | //If fills eventually channel without entries |
614 | //inthe histo "database" jyst interpolating the neighboring cells | |
615 | // Arguments: histogram pointer of the database | |
616 | // Returns: none | |
617 | // | |
170a4fc5 | 618 | const Int_t nxDB = 500; |
619 | const Int_t nyDB = 150; | |
620 | ||
621 | for(Int_t i = 0;i<nxDB;i++) { | |
622 | for(Int_t j = 0;j<nyDB;j++) { | |
623 | if(fgDB[i][j] == 0) { | |
624 | fgDB[i][j] = -1; | |
5a3482a0 | 625 | Int_t nXmin = i-1; Int_t nXmax=i+1; |
626 | Int_t nYmin = j-1; Int_t nYmax=j+1; | |
627 | Int_t nc = 0; | |
628 | Double_t meanC =0; | |
629 | Double_t meanTrk =0; | |
630 | for(Int_t ix=nXmin;ix<=nXmax;ix++) { | |
170a4fc5 | 631 | if(ix<0||ix>=nxDB) continue; |
5a3482a0 | 632 | for(Int_t iy=nYmin;iy<=nYmax;iy++) { |
170a4fc5 | 633 | if(iy<0||iy>=nyDB) continue; |
634 | meanC += (Int_t)(fgDB[ix][iy]%1000); | |
635 | meanTrk+= (Int_t)(fgDB[ix][iy]/1000); | |
5a3482a0 | 636 | nc++; |
637 | } | |
638 | meanC/=nc; meanTrk/=nc; | |
639 | Int_t compact = (Int_t)meanC+1000*(Int_t)meanTrk; | |
170a4fc5 | 640 | if(compact>0)fgDB[i][j] = compact; |
5a3482a0 | 641 | } |
642 | } | |
643 | } | |
644 | } | |
9a573d52 | 645 | }//FillZeroChan() |
5a3482a0 | 646 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
ee2f3539 | 647 | Int_t AliHMPIDReconHTA::r2(Double_t *coef, Double_t &x1, Double_t &x2) |
648 | { | |
649 | //2nd deg. equation | |
650 | //solution | |
651 | // Arguments: coef 2 1 0: ax^2+bx+c=0 | |
652 | // Returns: n. of solutions | |
653 | // x1= 1st sol | |
654 | // x2= 2nd sol | |
655 | Double_t a,b,c; | |
656 | a = coef[2]; | |
657 | b = coef[1]; | |
658 | c = coef[0]; | |
659 | Double_t delta = b*b-4*a*c; | |
660 | if(delta<0) {return 0;} | |
661 | if(delta==0) { | |
662 | x1=x2=-b/(2*a); | |
663 | return 1; | |
664 | } | |
665 | // delta>0 | |
666 | x1 = (-b+TMath::Sqrt(delta))/(2*a); | |
667 | x2 = (-b-TMath::Sqrt(delta))/(2*a); | |
668 | return 2; | |
669 | }//r2() | |
670 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
9a573d52 | 671 | |
672 | Double_t AliHMPIDReconHTA::FindSimmPhi() | |
ee2f3539 | 673 | { |
674 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
675 | // RESTITUISCE IN OUTPUT IL VALORE FINALE DELL'ANGOLO RICOSTRUITO | |
676 | // CON I DUE METODI: | |
677 | // - metodo dei minimi quadrati con le distanze effettive;................................(PER RING CHIUSI) | |
678 | // - metodo della determin della pendenza individuando la distanza minima mip-fotone;.....(PER RING APERTI) | |
679 | ||
680 | Float_t coeff1ord=0; Float_t coeff2ord=0; Float_t coeff0ord=0; | |
9a573d52 | 681 | Float_t xrotsumm =0; Float_t yrotsumm =0; Float_t xx =0; |
ee2f3539 | 682 | Float_t yy =0; Float_t xy =0; Float_t yx =0; |
683 | Double_t xmin=0; | |
684 | Double_t ymin=0; | |
9a573d52 | 685 | |
686 | Int_t np=0; | |
ee2f3539 | 687 | |
688 | Double_t distMin = 999.; | |
689 | ||
9a573d52 | 690 | for(Int_t i=0;i<fNClu;i++) { |
691 | if(!fClCk[i]) continue; | |
692 | np++; | |
693 | xrotsumm+=fXClu[i]; // summ xi | |
694 | yrotsumm+=fYClu[i]; // summ yi | |
695 | xx+=fXClu[i]*fXClu[i]; // summ xixi | |
696 | yy+=fYClu[i]*fYClu[i]; // summ yiyi | |
697 | xy+=fXClu[i]*fYClu[i]; // summ yixi | |
ee2f3539 | 698 | Double_t dist2= (fXClu[i]-fMipX)*(fXClu[i]-fMipX)+(fYClu[i]-fMipY)*(fYClu[i]-fMipY); |
699 | if(dist2<distMin) { | |
700 | distMin = dist2; | |
701 | xmin = fXClu[i]; | |
702 | ymin = fYClu[i]; | |
703 | } | |
9a573d52 | 704 | } |
ee2f3539 | 705 | |
706 | Double_t AngM=0; | |
707 | if(ymin < fMipY && xmin > fMipX) {AngM = TMath::ATan((ymin-fMipY)/(xmin-fMipX))*TMath::RadToDeg()+180;} | |
708 | if(ymin > fMipY && xmin < fMipX) {AngM = TMath::ATan((ymin-fMipY)/(xmin-fMipX))*TMath::RadToDeg()+360;} | |
709 | if(ymin > fMipY && xmin > fMipX) {AngM = TMath::ATan((ymin-fMipY)/(xmin-fMipX))*TMath::RadToDeg()+180;} | |
710 | if(ymin < fMipY && xmin < fMipX) {AngM = TMath::ATan((ymin-fMipY)/(xmin-fMipX))*TMath::RadToDeg();} | |
711 | if(ymin == fMipY && xmin > fMipX) {AngM = TMath::ATan((ymin-fMipY)/(xmin-fMipX))*TMath::RadToDeg()+180;} | |
712 | if(ymin == fMipY && xmin < fMipX) {AngM = TMath::ATan((ymin-fMipY)/(xmin-fMipX))*TMath::RadToDeg();} | |
713 | if(ymin < fMipY && xmin == fMipX) {AngM = 90;} | |
714 | if(ymin > fMipY && xmin == fMipX) {AngM = 270;} | |
9a573d52 | 715 | |
ee2f3539 | 716 | //_____calc. met min quadr using effective distance _________________________________________________ |
9a573d52 | 717 | |
ee2f3539 | 718 | coeff2ord= xy-xrotsumm*yrotsumm/np; |
719 | coeff1ord= yrotsumm*yrotsumm/np - xrotsumm*xrotsumm/np - yy + xx; | |
720 | coeff0ord= xrotsumm*yrotsumm/np - yx; | |
721 | Double_t m1=0, m2=0; Double_t n1=0, n2=0; | |
722 | // c // b // a | |
723 | Double_t coeff[3]={coeff0ord,coeff1ord,coeff2ord}; | |
9a573d52 | 724 | |
725 | r2(coeff,m1,m2); | |
726 | ||
727 | n1=(yrotsumm-m1*xrotsumm)/np; | |
728 | n2=(yrotsumm-m2*xrotsumm)/np; | |
ee2f3539 | 729 | // 2 solutions................. |
730 | ||
731 | Double_t PhiTrk1= TMath::ATan(m1); | |
4df7ec8c | 732 | //Double_t PhiTrk2= TMath::ATan(m2); |
9a573d52 | 733 | |
ee2f3539 | 734 | // negative angles solved... |
735 | ||
736 | Double_t PhiTrk1Positive=0; | |
737 | ||
738 | if(PhiTrk1<0) PhiTrk1Positive= PhiTrk1 + 180*TMath::DegToRad(); | |
739 | if(PhiTrk1>=0) PhiTrk1Positive= PhiTrk1; | |
9a573d52 | 740 | |
741 | Double_t d1 =(1/(m1*m1+1))*(yy+m1*m1*xx+np*n1*n1-2*m1*xy-2*n1*yrotsumm+2*m1*n1*xrotsumm); | |
742 | Double_t d2 =(1/(m2*m2+1))*(yy+m2*m2*xx+np*n2*n2-2*m2*xy-2*n2*yrotsumm+2*m2*n2*xrotsumm); | |
ee2f3539 | 743 | |
9a573d52 | 744 | Double_t mMin; |
745 | if(d1 > d2) mMin = m2; else mMin = m1; | |
746 | ||
4df7ec8c | 747 | //Double_t PhiTrk = TMath::ATan(mMin)*TMath::RadToDeg(); |
ee2f3539 | 748 | Double_t PhiTrkPositive=0; |
749 | // | |
750 | if(ymin < fMipY && xmin > fMipX) {PhiTrkPositive = TMath::ATan(mMin)*TMath::RadToDeg()+180;} | |
751 | if(ymin > fMipY && xmin < fMipX) {PhiTrkPositive = TMath::ATan(mMin)*TMath::RadToDeg()+360;} | |
752 | if(ymin > fMipY && xmin > fMipX) {PhiTrkPositive = TMath::ATan(mMin)*TMath::RadToDeg()+180;} | |
753 | if(ymin < fMipY && xmin < fMipX) {PhiTrkPositive = TMath::ATan(mMin)*TMath::RadToDeg();} | |
754 | if(ymin == fMipY && xmin > fMipX) {PhiTrkPositive = TMath::ATan(mMin)*TMath::RadToDeg()+180;} | |
755 | if(ymin == fMipY && xmin < fMipX) {PhiTrkPositive = TMath::ATan(mMin)*TMath::RadToDeg();} | |
756 | if(ymin < fMipY && xmin == fMipX) {PhiTrkPositive = 90;} | |
757 | if(ymin > fMipY && xmin == fMipX) {PhiTrkPositive = 270;} | |
9a573d52 | 758 | |
ee2f3539 | 759 | // ------------------------- choose the best----------------------- |
9a573d52 | 760 | |
ee2f3539 | 761 | |
762 | Double_t PhiTrkFinal=0; | |
763 | if( AngM-40 <= PhiTrkPositive && AngM+40 >= PhiTrkPositive) PhiTrkFinal = PhiTrkPositive; else PhiTrkFinal = AngM; | |
764 | ||
765 | return PhiTrkFinal*TMath::DegToRad(); | |
9a573d52 | 766 | } |
9a573d52 | 767 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
ee2f3539 | 768 | void AliHMPIDReconHTA::FindBinDB(Double_t x,Double_t y,Int_t &binX,Int_t &binY) |
9a573d52 | 769 | { |
170a4fc5 | 770 | const Int_t nxDB = 500; |
771 | const Int_t nyDB = 150; | |
ee2f3539 | 772 | const Double_t xlowDB = 0; |
773 | const Double_t xhigDB = 50; | |
774 | const Double_t ylowDB = 0; | |
775 | const Double_t yhigDB = 15; | |
776 | ||
777 | binX = -1; | |
778 | binY = -1; | |
170a4fc5 | 779 | if(x<xlowDB && x>xhigDB && |
780 | y<ylowDB && y>yhigDB) return; | |
781 | binX = Int_t((x-xlowDB)/(xhigDB-xlowDB)*nxDB); | |
782 | binY = Int_t((y-ylowDB)/(yhigDB-ylowDB)*nyDB); | |
783 | if(binX>=nxDB || binY>=nyDB) { | |
784 | binX = -1; | |
785 | binY = -1; | |
786 | } | |
787 | ||
ee2f3539 | 788 | } |