Merged ITS-working with HEAD. Improved some of the documentation and
[u/mrichter/AliRoot.git] / PHOS / AliPHOSRecPoint.cxx
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d15a28e7 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// PHOSRecPoint base class deriving from AliRecPoint
18//*-- Author : Gines MARTINEZ SUBATECH
19//////////////////////////////////////////////////////////////////////////////
20
21// --- ROOT system ---
9f616d61 22#include "TPad.h"
d15a28e7 23
24// --- Standard library ---
9f616d61 25#include <iostream>
26#include <cstdio>
d15a28e7 27
28// --- AliRoot header files ---
29
30#include "AliPHOSGeometry.h"
31#include "AliPHOSDigit.h"
32#include "AliPHOSRecPoint.h"
33
9f616d61 34
35
d15a28e7 36ClassImp(AliPHOSRecPoint)
37
38
39//____________________________________________________________________________
40AliPHOSRecPoint::AliPHOSRecPoint()
41 : AliRecPoint()
42{
43 fGeom = AliPHOSGeometry::GetInstance() ;
44 fPHOSMod = 0;
45}
46
47//____________________________________________________________________________
48AliPHOSRecPoint::~AliPHOSRecPoint()
49{
50 // dtor
51}
15605d3c 52
9f616d61 53//____________________________________________________________________________
54Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
55{
6ad0bfa0 56 //Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker
57 // Compute the closest distance of approach from point px,py to this marker.
58 // The distance is computed in pixels units.
59 //
9f616d61 60
61 TVector3 pos(0.,0.,0.) ;
62 GetLocalPosition( pos) ;
63 Float_t x = pos.X() ;
64 Float_t y = pos.Z() ;
65 const Int_t kMaxDiff = 10;
66 Int_t pxm = gPad->XtoAbsPixel(x);
67 Int_t pym = gPad->YtoAbsPixel(y);
68 Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym);
69
70 if (dist > kMaxDiff) return 9999;
71 return dist;
72}
6ad0bfa0 73
9f616d61 74//___________________________________________________________________________
75 void AliPHOSRecPoint::Draw(Option_t *option)
76 {
6ad0bfa0 77 // Draw this AliPHOSRecPoint with its current attributes
78
79 AppendPad(option);
9f616d61 80 }
81
82//______________________________________________________________________________
83void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py)
84{
6ad0bfa0 85 // Execute action corresponding to one event
86 // This member function is called when a AliPHOSRecPoint is clicked with the locator
87 //
88 // If Left button is clicked on AliPHOSRecPoint, the digits are switched on
89 // and switched off when the mouse button is released.
90 //
9f616d61 91
92 // static Int_t pxold, pyold;
93
92862013 94 static TGraph * digitgraph = 0 ;
95 static TPaveText* clustertext = 0 ;
9f616d61 96
97 if (!gPad->IsEditable()) return;
98
99 switch (event) {
100
101
102 case kButton1Down:{
103 AliPHOSDigit * digit ;
92862013 104 AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
9f616d61 105 Int_t iDigit;
106 Int_t relid[4] ;
107 Float_t xi[fMulDigit] ;
108 Float_t zi[fMulDigit] ;
109
110 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
111 digit = (AliPHOSDigit *) fDigitsList[iDigit];
92862013 112 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
113 phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ;
9f616d61 114 }
115
92862013 116 if (!digitgraph) {
117 digitgraph = new TGraph(fMulDigit,xi,zi);
118 digitgraph-> SetMarkerStyle(5) ;
119 digitgraph-> SetMarkerSize(1.) ;
120 digitgraph-> SetMarkerColor(1) ;
121 digitgraph-> Draw("P") ;
9f616d61 122 }
92862013 123 if (!clustertext) {
9f616d61 124
125 TVector3 pos(0.,0.,0.) ;
126 GetLocalPosition(pos) ;
92862013 127 clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ;
9f616d61 128 Text_t line1[40] ;
129 Text_t line2[40] ;
130 sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ;
131 sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ;
92862013 132 clustertext ->AddText(line1) ;
133 clustertext ->AddText(line2) ;
134 clustertext ->Draw("");
9f616d61 135 }
136 gPad->Update() ;
137 Print() ;
138 }
139
140 break;
141
142 case kButton1Up:
92862013 143 if (digitgraph) {
144 delete digitgraph ;
145 digitgraph = 0 ;
9f616d61 146 }
92862013 147 if (clustertext) {
148 delete clustertext ;
149 clustertext = 0 ;
9f616d61 150 }
151
152 break;
153
154 }
155}
156
d15a28e7 157//____________________________________________________________________________
158Int_t AliPHOSRecPoint::GetPHOSMod()
159{
6ad0bfa0 160 if(fPHOSMod > 0)
161 return fPHOSMod ;
162
d15a28e7 163 Int_t relid[4] ;
164
165 AliPHOSDigit * digit ;
166 digit = (AliPHOSDigit *) fDigitsList[0] ;
92862013 167 AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
d15a28e7 168
92862013 169 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
d15a28e7 170 fPHOSMod = relid[0];
171 return fPHOSMod ;
172}
6ad0bfa0 173
9f616d61 174//______________________________________________________________________________
cf239357 175void AliPHOSRecPoint::GetPrimaries(Int_t & number, Int_t * list)
176{
177 AliPHOSDigit * digit ;
178 Int_t index ;
26d4b141 179 Int_t maxcounter = 3 ;
cf239357 180 Int_t counter = 0 ;
181 Int_t * tempo = new Int_t[maxcounter] ;
182
183 for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
184 digit = (AliPHOSDigit *) fDigitsList[index] ;
cf239357 185 Int_t nprimaries = digit->GetNprimary() ;
26d4b141 186 Int_t * newprimaryarray = new Int_t[nprimaries] ;
187 Int_t ii ;
188 for ( ii = 0 ; ii < nprimaries ; ii++)
189 newprimaryarray[ii] = digit->GetPrimary(ii+1) ;
cf239357 190 Int_t jndex ;
191 for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
26d4b141 192 if ( counter > maxcounter ) {
cf239357 193 number = - 1 ;
194 cout << "AliPHOSRecPoint::GetNprimaries ERROR > increase maxcounter " << endl ;
195 break ;
196 }
197 Int_t newprimary = newprimaryarray[jndex] ;
cf239357 198 Int_t kndex ;
199 Bool_t already = kFALSE ;
200 for ( kndex = 0 ; kndex < counter ; kndex++ ) { //check if not already stored
201 if ( newprimary == tempo[kndex] ){
202 already = kTRUE ;
203 break ;
204 }
205 } // end of check
206 if ( !already) { // store it
207 tempo[counter] = newprimary ;
208 counter++ ;
209 } // store it
210 } // all primaries in digit
26d4b141 211 delete newprimaryarray ;
cf239357 212 } // all digits
213
cf239357 214 number = counter ;
215 for ( index = 0 ; index < number ; index ++ )
216 list[index] = tempo[index] ;
26d4b141 217
218 delete tempo ;
cf239357 219}
220
221//______________________________________________________________________________
9f616d61 222void AliPHOSRecPoint::Paint(Option_t *)
223{
6ad0bfa0 224// Paint this ALiRecPoint as a TMarker with its current attributes
225
9f616d61 226 TVector3 pos(0.,0.,0.) ;
227 GetLocalPosition(pos) ;
228 Coord_t x = pos.X() ;
229 Coord_t y = pos.Z() ;
92862013 230 Color_t markercolor = 1 ;
231 Size_t markersize = 1. ;
232 Style_t markerstyle = 5 ;
9f616d61 233
234 if (!gPad->IsBatch()) {
92862013 235 gVirtualX->SetMarkerColor(markercolor) ;
236 gVirtualX->SetMarkerSize (markersize) ;
237 gVirtualX->SetMarkerStyle(markerstyle) ;
9f616d61 238 }
92862013 239 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
9f616d61 240 gPad->PaintPolyMarker(1,&x,&y,"") ;
241}