1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 // --------------------------
19 // Class AliMUONDetElement
20 // --------------------------
21 // Detection element object containing information for combined
22 // cluster / track finder in MUON arm
23 // Author: Alexander Zinchenko, JINR Dubna
26 #include <TObjArray.h>
27 #include <TClonesArray.h>
28 #include "AliMUONDetElement.h"
30 #include "AliMUONSegmentation.h"
31 #include "AliMUONDigit.h"
32 #include "AliMUONHitMapA1.h"
33 #include "AliMUONData.h"
34 #include "AliMUONRawCluster.h"
35 #include "AliMUONHitForRec.h"
36 #include "AliMUONClusterInput.h"
37 #include "AliMUONClusterFinderAZ.h"
41 ClassImp(AliMUONDetElement) // Class implementation in ROOT context
42 FILE *lun = 0x0; //fopen("hitmap.dat","w");
44 //_________________________________________________________________________
45 AliMUONDetElement::AliMUONDetElement()
48 /// Default constructor
49 for (Int_t i = 0; i < 2; i++) {
54 fRawClus = fHitsForRec = NULL;
58 //_________________________________________________________________________
59 AliMUONDetElement::AliMUONDetElement(Int_t idDE, AliMUONDigit *dig, AliMUONClusterFinderAZ *recModel)
64 fChamber = fidDE / 100 - 1;
65 fDigits[0] = new TObjArray(10);
66 fDigits[1] = new TObjArray(10);
67 fRawClus = new TObjArray(10);
68 fHitsForRec = new TClonesArray("AliMUONHitForRec",10);
71 AliMUON *pMUON = (AliMUON*) gAlice->GetModule("MUON");
72 AliMUONSegmentation *pSegmentation = pMUON->GetSegmentation();
73 fSeg[0] = pSegmentation->GetModuleSegmentation(fChamber, 0);
74 fSeg[1] = pSegmentation->GetModuleSegmentation(fChamber, 1);
76 fSeg[dig->Cathode()]->GetPadC(fidDE, dig->PadX(), dig->PadY(), x, y, z);
81 //_________________________________________________________________________
82 AliMUONDetElement::~AliMUONDetElement()
85 for (Int_t i = 0; i < 2; i++) {
86 delete fHitMap[i]; fHitMap[i] = NULL;
87 delete fDigits[i]; fDigits[i] = NULL;
89 if (fRawClus) { fRawClus->Delete(); delete fRawClus; fRawClus = 0; }
90 //if (fRawClus) { delete fRawClus; fRawClus = 0; }
91 delete fHitsForRec; fHitsForRec = 0;
94 //_________________________________________________________________________
95 AliMUONDetElement::AliMUONDetElement (const AliMUONDetElement& rhs)
100 AliFatal("Not implemented.");
103 //________________________________________________________________________
104 AliMUONDetElement & AliMUONDetElement::operator = (const AliMUONDetElement& rhs)
106 /// Assignement operator
108 if (this == &rhs) return *this;
109 AliFatal( "Not implemented.");
113 //_________________________________________________________________________
114 Int_t AliMUONDetElement::Compare(const TObject* detElem) const
116 /// "Compare" function to sort in Z (towards interaction point)
117 /// Returns -1 (0, +1) if charge of current pixel
118 /// is greater than (equal to, less than) charge of pixel
119 if (fZ > ((AliMUONDetElement*)detElem)->Z()) return(+1);
120 else if (fZ == ((AliMUONDetElement*)detElem)->Z()) return( 0);
124 //_________________________________________________________________________
125 void AliMUONDetElement::Fill(AliMUONData */*data*/)
128 fLeft[0] = fDigits[0]->GetEntriesFast();
129 fLeft[1] = fDigits[1]->GetEntriesFast();
131 Int_t npx0 = fSeg[0]->Npx(fidDE)+1;
132 Int_t npy0 = fSeg[0]->Npy(fidDE)+1;
133 fHitMap[0] = new AliMUONHitMapA1(npx0, npy0, fDigits[0]);
134 fHitMap[0]->FillHits();
136 Int_t npx1 = fSeg[1]->Npx(fidDE)+1;
137 Int_t npy1 = fSeg[1]->Npy(fidDE)+1;
138 fHitMap[1] = new AliMUONHitMapA1(npx1, npy1, fDigits[1]);
139 fHitMap[1]->FillHits();
141 // The part below is just for debugging (fill rec. points already found)
143 fLeft[0] = fLeft[1] = 0;
144 TClonesArray *rawClus = data->RawClusters(fChamber);
145 cout << rawClus << " " << rawClus->GetEntriesFast() << endl;
146 for (Int_t i = 0; i < rawClus->GetEntriesFast(); i++) {
147 AliMUONRawCluster *recP = (AliMUONRawCluster*) rawClus->UncheckedAt(i);
148 cout << fChamber << " " << recP->GetZ(0) << " " << recP->GetZ(1) << " " << fZ << endl;
149 if (TMath::Abs(recP->GetZ(0)-fZ) > 0.5) continue;
150 if (!Inside(recP->GetX(0), recP->GetY(0), recP->GetZ(0))) continue;
151 AddHitForRec(recP); // add hit for rec.
152 rawClus->RemoveAt(i); // remove
154 cout << fHitsForRec->GetEntriesFast() << endl;
159 //_________________________________________________________________________
160 void AliMUONDetElement::AddDigit(AliMUONDigit *dig)
164 fDigits[dig->Cathode()]->Add(dig);
167 //_________________________________________________________________________
168 Bool_t AliMUONDetElement::Inside(Double_t x, Double_t y, Double_t z) const
170 /// Check if point is inside detection element
173 for (Int_t i = 0; i < 2; i++) {
174 if (!fSeg[i]) continue;
175 fSeg[i]->GetPadI(fidDE, x, y, z, ix, iy);
176 //cout << x << " " << y << " " << z << " " << fChamber << " " << ix << " " << iy << " " << fSeg[i]->Npx(fidDE) << " " << fSeg[i]->Npy(fidDE) /*<< " " << fSeg[i]->GetPadI(fidDE, x, y, z, ix, iy)*/ << endl;
177 if (ix > 0 && iy > 0 && ix <= fSeg[i]->Npx(fidDE) && iy <= fSeg[i]->Npy(fidDE)) return kTRUE;
179 // Check for edge effect (extrapolated track "right outside" det. elem. boundaries (+- 1cm in X and Y)
180 for (Int_t i = 0; i < 2; i++) {
181 if (!fSeg[i]) continue;
182 for (Int_t idx = -1; idx < 2; idx++) {
183 Double_t x1 = x + 1. * idx;
184 for (Int_t idy = -1; idy < 2; idy++) {
185 if (idx == 0 && idy == 0) continue;
186 Double_t y1 = y + 1. * idy;
187 fSeg[i]->GetPadI(fidDE, x1, y1, z, ix, iy);
188 //cout << x1 << " " << y1 << " " << z << " " << fChamber << " " << ix << " " << iy << " " << fSeg[i]->Npx(fidDE) << " " << fSeg[i]->Npy(fidDE) /*<< " " << fSeg[i]->GetPadI(fidDE, x, y, z, ix, iy)*/ << endl;
189 if (ix > 0 && iy > 0 && ix <= fSeg[i]->Npx(fidDE) && iy <= fSeg[i]->Npy(fidDE)) return kTRUE;
196 //_________________________________________________________________________
197 void AliMUONDetElement::ClusterReco(Double_t xTrack, Double_t yTrack)
199 /// Run cluster reconstruction around point (x,y)
201 if (fLeft[0] == 0 && fLeft[1] == 0) return; // all digits have been used
203 dx = dy = 5; // 5 cm for now
204 AliMUONClusterInput::Instance()->SetDigits(fChamber, fidDE,
205 (TClonesArray*)fDigits[0], (TClonesArray*)fDigits[1]);
208 for (Int_t cath = 0; cath < 2; cath++) {
209 if (fDigits[cath]->GetEntriesFast() == 0) continue; // empty cathode
210 for (Int_t i = 0; i < fDigits[cath]->GetEntriesFast(); i++) {
211 if (fLeft[cath] == 0) { fRecModel->SetUsed(cath,i); continue; }
212 AliMUONDigit *dig = (AliMUONDigit*) fDigits[cath]->UncheckedAt(i);
213 //cout << i << " " << dig->PadX() << " " << dig->PadY() << " " << fHitMap[cath]->TestHit(dig->PadX(), dig->PadY()) << endl;
214 if (fHitMap[cath]->TestHit(dig->PadX(), dig->PadY()) == kUsed) fRecModel->SetUsed(cath,i);
215 else fRecModel->SetUnused(cath,i);
219 fRecModel->ResetRawClusters();
221 for (Int_t cath = 0; cath < 2; cath++) {
222 if (fDigits[cath]->GetEntriesFast() == 0) continue; // empty cathode
224 for (fSeg[cath]->FirstPad(fidDE, xTrack, yTrack, fZ, dx, dy);
225 fSeg[cath]->MorePads(fidDE);
226 fSeg[cath]->NextPad(fidDE)) {
227 if (fLeft[cath] == 0) break;
228 //cout << cath << " " << fSeg[cath]->Ix() << " " << fSeg[cath]->Iy() << " " << fSeg[cath]->DetElemId() << " " << fHitMap[cath]->TestHit(fSeg[cath]->Ix(), fSeg[cath]->Iy()) << endl;
229 if (fHitMap[cath]->TestHit(fSeg[cath]->Ix(), fSeg[cath]->Iy()) == kEmpty ||
230 fHitMap[cath]->TestHit(fSeg[cath]->Ix(), fSeg[cath]->Iy()) == kUsed) continue;
233 for (Int_t j = 0; j < fDigits[cath]->GetEntriesFast(); j++) {
234 AliMUONDigit *dig = (AliMUONDigit*) fDigits[cath]->UncheckedAt(j);
235 if (dig->PadX() != fSeg[cath]->Ix() || dig->PadY() != fSeg[cath]->Iy()) continue;
236 //cout << fidDE << " " << j << " " << fSeg[cath]->Ix() << " " << fSeg[cath]->Iy() << endl;
237 fRecModel->SetStart(cath, j);
241 fRecModel->FindRawClusters();
242 Int_t nClusEnd = fRecModel->GetRawClusters()->GetEntriesFast();
243 //cout << " ***nclus: " << nClusEnd << endl;
244 for (Int_t i = 0; i < nClusEnd; i++) {
245 AliMUONRawCluster *clus = (AliMUONRawCluster*) fRecModel->GetRawClusters()->UncheckedAt(i);
246 AddHitForRec(clus); // add hit for rec.
247 //cout << clus->GetX(0) << " " << clus->GetY(0) << endl;
250 for (Int_t cath1 = 0; cath1 < 2; cath1++) {
251 for (Int_t j = 0; j < fDigits[cath1]->GetEntriesFast(); j++) {
252 if (fLeft[cath1] == 0) break;
253 AliMUONDigit *dig = (AliMUONDigit*) fDigits[cath1]->UncheckedAt(j);
255 fSeg[cath1]->GetPadC(fidDE,dig->PadX(),dig->PadY(),x,y,z);
256 //cout << "clus " << cath1 << " " << fLeft[cath1] << " " << dig->PadX() << " " << dig->PadY() << " " << x << " " << y << " " << z << " " << fRecModel->GetUsed(cath1,j) << endl;
257 if (!fRecModel->GetUsed(cath1,j)) continue;
258 if (fHitMap[cath1]->TestHit(dig->PadX(), dig->PadY()) == kUsed) continue;
259 fHitMap[cath1]->FlagHit(dig->PadX(), dig->PadY());
260 if (lun) fprintf(lun," %d %d %d %d \n", cath1, fidDE, dig->PadX(), dig->PadY());
264 } // for (fSeg[cath]->FirstPad(...
265 } // for (Int_t cath = 0;
268 //_________________________________________________________________________
269 void AliMUONDetElement::AddHitForRec(AliMUONRawCluster *clus)
271 /// Make HitForRec from raw cluster (rec. point)
273 fRawClus->Add(new AliMUONRawCluster(*clus));
274 AliMUONHitForRec *hitForRec =
275 new ((*fHitsForRec)[fNHitsForRec++]) AliMUONHitForRec(clus);
277 // more information into HitForRec
278 // resolution: info should be already in raw cluster and taken from it ????
279 hitForRec->SetBendingReso2(-1); //fBendingResolution * fBendingResolution);
280 hitForRec->SetNonBendingReso2(-1); //fNonBendingResolution * fNonBendingResolution);
281 // original raw cluster
282 hitForRec->SetChamberNumber(fChamber);
283 hitForRec->SetZ(clus->GetZ(0));
284 //hitForRec->SetHitNumber(-(fIndex+1)*100000-fNHitsForRec+1);
285 hitForRec->SetHitNumber(-(fIndex+1)*100000-fRawClus->GetEntriesFast()+1);
286 //delete clus; // for now
290 //_________________________________________________________________________
291 Int_t AliMUONDetElement::GetMapElem(AliMUONDigit *digit)
293 Int_t cath = digit->Cathode();
298 //_________________________________________________________________________
299 void AliMUONDetElement::SetMapElem(const AliMUONDigit *digit, Int_t flag)
301 Int_t cath = digit->Cathode();