fCalcMass not copied in ctor. with TParticle parameter
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALRecPoint.cxx
CommitLineData
ab48128d 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/* $Id$ */
16//_________________________________________________________________________
17// Base Class for EMCAL Reconstructed Points
18// Why should I put meaningless comments
19// just to satisfy
20// the code checker
21//*-- Author: Gines Martinez (SUBATECH)
22
23// --- ROOT system ---
24#include "TPad.h"
25#include "TClonesArray.h"
26
27// --- Standard library ---
70479d0e 28#include <Riostream.h>
ab48128d 29#include <stdio.h>
30
31// --- AliRoot header files ---
32
33#include "AliEMCALGeometry.h"
34#include "AliEMCALDigit.h"
35#include "AliEMCALRecPoint.h"
36#include "AliEMCALGetter.h"
37
38ClassImp(AliEMCALRecPoint)
39
40
41//____________________________________________________________________________
42AliEMCALRecPoint::AliEMCALRecPoint()
43 : AliRecPoint()
44{
45 // ctor
46
692088ae 47 fMaxTrack = 0 ;
ab48128d 48 fTheta = fPhi = 0. ;
692088ae 49 fEMCALArm = 0;
ab48128d 50
51}
52
53//____________________________________________________________________________
54AliEMCALRecPoint::AliEMCALRecPoint(const char * opt) : AliRecPoint(opt)
55{
56 // ctor
57
58 fMaxTrack = 200 ;
59 fTheta = fPhi = 0. ;
60 fEMCALArm = 1;
61
62}
63
64//____________________________________________________________________________
65Int_t AliEMCALRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
66{
67 // Compute distance from point px,py to a AliEMCALRecPoint considered as a Tmarker
68 // Compute the closest distance of approach from point px,py to this marker.
69 // The distance is computed in pixels units.
70
71 TVector3 pos(0.,0.,0.) ;
72 GetLocalPosition( pos) ;
73 Float_t x = pos.X() ;
74 Float_t y = pos.Z() ;
75 const Int_t kMaxDiff = 10;
76 Int_t pxm = gPad->XtoAbsPixel(x);
77 Int_t pym = gPad->YtoAbsPixel(y);
78 Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym);
79
80 if (dist > kMaxDiff) return 9999;
81 return dist;
82}
83
84//___________________________________________________________________________
85 void AliEMCALRecPoint::Draw(Option_t *option)
86 {
87 // Draw this AliEMCALRecPoint with its current attributes
88
89 AppendPad(option);
90 }
91
92//______________________________________________________________________________
93void AliEMCALRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py)
94{
95 // Execute action corresponding to one event
96 // This member function is called when a AliEMCALRecPoint is clicked with the locator
97 //
98 // If Left button is clicked on AliEMCALRecPoint, the digits are switched on
99 // and switched off when the mouse button is released.
100
101 // static Int_t pxold, pyold;
102
103 static TGraph * digitgraph = 0 ;
104 static TPaveText* clustertext = 0 ;
105
106 if (!gPad->IsEditable()) return;
107
108 switch (event) {
109
110
111 case kButton1Down:{
112 AliEMCALDigit * digit ;
113 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
114 AliEMCALGeometry * emcalgeom = const_cast<AliEMCALGeometry*>(gime->EMCALGeometry());
115
116 Int_t iDigit;
117 Int_t relid[4] ;
118
119 const Int_t kMulDigit=AliEMCALRecPoint::GetDigitsMultiplicity() ;
120 Float_t * xi = new Float_t [kMulDigit] ;
121 Float_t * zi = new Float_t [kMulDigit] ;
122
123 for(iDigit = 0; iDigit < kMulDigit; iDigit++) {
124 Fatal("AliEMCALRecPoint::ExecuteEvent", " -> Something wrong with the code");
125 digit = 0 ; //dynamic_cast<AliEMCALDigit *>((fDigitsList)[iDigit]);
126 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
127 emcalgeom->PosInAlice(relid, xi[iDigit], zi[iDigit]) ;
128 }
129
130 if (!digitgraph) {
131 digitgraph = new TGraph(fMulDigit,xi,zi);
132 digitgraph-> SetMarkerStyle(5) ;
133 digitgraph-> SetMarkerSize(1.) ;
134 digitgraph-> SetMarkerColor(1) ;
135 digitgraph-> Draw("P") ;
136 }
137 if (!clustertext) {
138
139 TVector3 pos(0.,0.,0.) ;
140 GetLocalPosition(pos) ;
141 clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ;
142 Text_t line1[40] ;
143 Text_t line2[40] ;
144 sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ;
145 sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ;
146 clustertext ->AddText(line1) ;
147 clustertext ->AddText(line2) ;
148 clustertext ->Draw("");
149 }
150 gPad->Update() ;
151 Print() ;
152 delete[] xi ;
153 delete[] zi ;
154 }
155
156break;
157
158 case kButton1Up:
159 if (digitgraph) {
160 delete digitgraph ;
161 digitgraph = 0 ;
162 }
163 if (clustertext) {
164 delete clustertext ;
165 clustertext = 0 ;
166 }
167
168 break;
169
170 }
171}
172//____________________________________________________________________________
173void AliEMCALRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits) {
174 //evaluates (if necessary) all RecPoint data members
175
176 EvalPrimaries(digits) ;
177}
178
179//____________________________________________________________________________
180void AliEMCALRecPoint::EvalEMCALArm(AliEMCALDigit * digit)
181{
182 // Returns the EMCAL module in which the RecPoint is found
183
184
185 if( fEMCALArm == 0){
186 Int_t relid[4] ;
187
188 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
189 AliEMCALGeometry * emcalgeom = const_cast<AliEMCALGeometry*>(gime->EMCALGeometry());
190
191 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
192 fEMCALArm = relid[0];
193 }
194}
195
196//______________________________________________________________________________
197void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits)
198{
199 // Constructs the list of primary particles (tracks) which have contributed to this RecPoint
200
201 AliEMCALDigit * digit ;
202 Int_t * tempo = new Int_t[fMaxTrack] ;
203
204 Int_t index ;
205 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
206 digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
207 Int_t nprimaries = digit->GetNprimary() ;
208 Int_t * newprimaryarray = new Int_t[nprimaries] ;
209 Int_t ii ;
210 for ( ii = 0 ; ii < nprimaries ; ii++)
211 newprimaryarray[ii] = digit->GetPrimary(ii+1) ;
212
213 Int_t jndex ;
214 for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
215 if ( fMulTrack > fMaxTrack ) {
216 fMulTrack = - 1 ;
217 cout << "AliEMCALRecPoint::GetNprimaries ERROR > increase fMaxTrack " << endl ;
218 break ;
219 }
220 Int_t newprimary = newprimaryarray[jndex] ;
221 Int_t kndex ;
222 Bool_t already = kFALSE ;
223 for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored
224 if ( newprimary == tempo[kndex] ){
225 already = kTRUE ;
226 break ;
227 }
228 } // end of check
229 if ( !already) { // store it
230 tempo[fMulTrack] = newprimary ;
231 fMulTrack++ ;
232 } // store it
233 } // all primaries in digit
234 delete newprimaryarray ;
235 } // all digits
236
237
238 fTracksList = new Int_t[fMulTrack] ;
239 for(index = 0; index < fMulTrack; index++)
240 fTracksList[index] = tempo[index] ;
241
242 delete tempo ;
243
244}
245//____________________________________________________________________________
246void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const
247{
248 // returns the position of the cluster in the global reference system of ALICE
249 // and the uncertainty on this position
250
251 AliEMCALGeometry * emcalgeom = AliEMCALGetter::GetInstance()->EMCALGeometry();
252 gpos.SetX(fPhi) ;
253 gpos.SetY(emcalgeom->GetIPDistance() + emcalgeom->GetAirGap()) ;
254 gpos.SetZ(fTheta) ;
255
256}
257
258
259//______________________________________________________________________________
260void AliEMCALRecPoint::Paint(Option_t *)
261{
262 // Paint this ALiRecPoint as a TMarker with its current attributes
263
264 TVector3 pos(0.,0.,0.) ;
265 GetLocalPosition(pos) ;
266 Coord_t x = pos.X() ;
267 Coord_t y = pos.Z() ;
268 Color_t markercolor = 1 ;
269 Size_t markersize = 1. ;
270 Style_t markerstyle = 5 ;
271
272 if (!gPad->IsBatch()) {
273 gVirtualX->SetMarkerColor(markercolor) ;
274 gVirtualX->SetMarkerSize (markersize) ;
275 gVirtualX->SetMarkerStyle(markerstyle) ;
276 }
277 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
278 gPad->PaintPolyMarker(1,&x,&y,"") ;
279}