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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 | **************************************************************************/ | |
b2a60966 | 15 | /* $Id$ */ |
d15a28e7 | 16 | //_________________________________________________________________________ |
b2a60966 | 17 | // Base Class for PHOS Reconstructed Points |
2f04ed65 | 18 | // Why should I put meaningless comments |
19 | // just to satisfy | |
20 | // the code checker | |
b2a60966 | 21 | //*-- Author: Gines Martinez (SUBATECH) |
d15a28e7 | 22 | |
23 | // --- ROOT system --- | |
9f616d61 | 24 | #include "TPad.h" |
2731cd1e | 25 | #include "TClonesArray.h" |
d15a28e7 | 26 | |
27 | // --- Standard library --- | |
de9ec31b | 28 | #include <iostream.h> |
29 | #include <stdio.h> | |
d15a28e7 | 30 | |
31 | // --- AliRoot header files --- | |
32 | ||
33 | #include "AliPHOSGeometry.h" | |
34 | #include "AliPHOSDigit.h" | |
35 | #include "AliPHOSRecPoint.h" | |
7b7c1533 | 36 | #include "AliPHOSGetter.h" |
9f616d61 | 37 | |
d15a28e7 | 38 | ClassImp(AliPHOSRecPoint) |
39 | ||
40 | ||
41 | //____________________________________________________________________________ | |
42 | AliPHOSRecPoint::AliPHOSRecPoint() | |
43 | : AliRecPoint() | |
44 | { | |
b2a60966 | 45 | // ctor |
46 | ||
baef0810 | 47 | fMaxTrack = 200 ; |
d15a28e7 | 48 | fPHOSMod = 0; |
7b7c1533 | 49 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
50 | fGeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
d15a28e7 | 51 | } |
52 | ||
9f616d61 | 53 | //____________________________________________________________________________ |
54 | Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py) | |
55 | { | |
b2a60966 | 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 | ||
60 | TVector3 pos(0.,0.,0.) ; | |
61 | GetLocalPosition( pos) ; | |
62 | Float_t x = pos.X() ; | |
63 | Float_t y = pos.Z() ; | |
64 | const Int_t kMaxDiff = 10; | |
65 | Int_t pxm = gPad->XtoAbsPixel(x); | |
66 | Int_t pym = gPad->YtoAbsPixel(y); | |
67 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
68 | ||
69 | if (dist > kMaxDiff) return 9999; | |
70 | return dist; | |
9f616d61 | 71 | } |
6ad0bfa0 | 72 | |
9f616d61 | 73 | //___________________________________________________________________________ |
74 | void AliPHOSRecPoint::Draw(Option_t *option) | |
75 | { | |
6ad0bfa0 | 76 | // Draw this AliPHOSRecPoint with its current attributes |
77 | ||
78 | AppendPad(option); | |
9f616d61 | 79 | } |
80 | ||
81 | //______________________________________________________________________________ | |
82 | void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) | |
83 | { | |
6ad0bfa0 | 84 | // Execute action corresponding to one event |
85 | // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
86 | // | |
87 | // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
88 | // and switched off when the mouse button is released. | |
9f616d61 | 89 | |
90 | // static Int_t pxold, pyold; | |
91 | ||
b2a60966 | 92 | static TGraph * digitgraph = 0 ; |
93 | static TPaveText* clustertext = 0 ; | |
94 | ||
95 | if (!gPad->IsEditable()) return; | |
9f616d61 | 96 | |
b2a60966 | 97 | switch (event) { |
98 | ||
99 | ||
100 | case kButton1Down:{ | |
101 | AliPHOSDigit * digit ; | |
7b7c1533 | 102 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
103 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
104 | ||
b2a60966 | 105 | Int_t iDigit; |
106 | Int_t relid[4] ; | |
31aa6d6c | 107 | |
88714635 | 108 | const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ; |
109 | Float_t * xi = new Float_t [kMulDigit] ; | |
110 | Float_t * zi = new Float_t [kMulDigit] ; | |
b2a60966 | 111 | |
88714635 | 112 | for(iDigit = 0; iDigit < kMulDigit; iDigit++) { |
b2a60966 | 113 | digit = (AliPHOSDigit *) fDigitsList[iDigit]; |
114 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
115 | phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ; | |
116 | } | |
117 | ||
118 | if (!digitgraph) { | |
119 | digitgraph = new TGraph(fMulDigit,xi,zi); | |
120 | digitgraph-> SetMarkerStyle(5) ; | |
121 | digitgraph-> SetMarkerSize(1.) ; | |
122 | digitgraph-> SetMarkerColor(1) ; | |
123 | digitgraph-> Draw("P") ; | |
124 | } | |
125 | if (!clustertext) { | |
126 | ||
127 | TVector3 pos(0.,0.,0.) ; | |
128 | GetLocalPosition(pos) ; | |
129 | clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ; | |
130 | Text_t line1[40] ; | |
131 | Text_t line2[40] ; | |
132 | sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ; | |
133 | sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ; | |
134 | clustertext ->AddText(line1) ; | |
135 | clustertext ->AddText(line2) ; | |
136 | clustertext ->Draw(""); | |
137 | } | |
138 | gPad->Update() ; | |
139 | Print() ; | |
31aa6d6c | 140 | delete[] xi ; |
141 | delete[] zi ; | |
142 | } | |
b2a60966 | 143 | |
31aa6d6c | 144 | break; |
b2a60966 | 145 | |
146 | case kButton1Up: | |
147 | if (digitgraph) { | |
148 | delete digitgraph ; | |
149 | digitgraph = 0 ; | |
150 | } | |
151 | if (clustertext) { | |
152 | delete clustertext ; | |
153 | clustertext = 0 ; | |
154 | } | |
155 | ||
156 | break; | |
157 | ||
9f616d61 | 158 | } |
9f616d61 | 159 | } |
ad8cfaf4 | 160 | //____________________________________________________________________________ |
2731cd1e | 161 | void AliPHOSRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits) { |
ad8cfaf4 | 162 | //evaluates (if necessary) all RecPoint data members |
9f616d61 | 163 | |
2731cd1e | 164 | EvalPrimaries(digits) ; |
ad8cfaf4 | 165 | } |
d15a28e7 | 166 | //____________________________________________________________________________ |
2731cd1e | 167 | void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit) |
b2a60966 | 168 | { |
169 | // Returns the PHOS module in which the RecPoint is found | |
83974468 | 170 | |
2731cd1e | 171 | if( fPHOSMod == 0){ |
ad8cfaf4 | 172 | Int_t relid[4] ; |
83974468 | 173 | |
7b7c1533 | 174 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
175 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
d15a28e7 | 176 | |
92862013 | 177 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
d15a28e7 | 178 | fPHOSMod = relid[0]; |
2731cd1e | 179 | } |
d15a28e7 | 180 | } |
6ad0bfa0 | 181 | |
cf239357 | 182 | //______________________________________________________________________________ |
2731cd1e | 183 | void AliPHOSRecPoint::EvalPrimaries(TClonesArray * digits) |
cf239357 | 184 | { |
2731cd1e | 185 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint |
b2a60966 | 186 | |
cf239357 | 187 | AliPHOSDigit * digit ; |
2731cd1e | 188 | Int_t * tempo = new Int_t[fMaxTrack] ; |
189 | ||
190 | Int_t index ; | |
cf239357 | 191 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits |
2731cd1e | 192 | digit = (AliPHOSDigit *) digits->At( fDigitsList[index] ) ; |
cf239357 | 193 | Int_t nprimaries = digit->GetNprimary() ; |
26d4b141 | 194 | Int_t * newprimaryarray = new Int_t[nprimaries] ; |
195 | Int_t ii ; | |
196 | for ( ii = 0 ; ii < nprimaries ; ii++) | |
197 | newprimaryarray[ii] = digit->GetPrimary(ii+1) ; | |
2731cd1e | 198 | |
cf239357 | 199 | Int_t jndex ; |
200 | for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit | |
2731cd1e | 201 | if ( fMulTrack > fMaxTrack ) { |
202 | fMulTrack = - 1 ; | |
203 | cout << "AliPHOSRecPoint::GetNprimaries ERROR > increase fMaxTrack " << endl ; | |
cf239357 | 204 | break ; |
205 | } | |
206 | Int_t newprimary = newprimaryarray[jndex] ; | |
cf239357 | 207 | Int_t kndex ; |
208 | Bool_t already = kFALSE ; | |
2731cd1e | 209 | for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored |
cf239357 | 210 | if ( newprimary == tempo[kndex] ){ |
211 | already = kTRUE ; | |
212 | break ; | |
213 | } | |
214 | } // end of check | |
b2a60966 | 215 | if ( !already) { // store it |
2731cd1e | 216 | tempo[fMulTrack] = newprimary ; |
217 | fMulTrack++ ; | |
cf239357 | 218 | } // store it |
219 | } // all primaries in digit | |
26d4b141 | 220 | delete newprimaryarray ; |
cf239357 | 221 | } // all digits |
222 | ||
2731cd1e | 223 | |
224 | fTracksList = new Int_t[fMulTrack] ; | |
225 | for(index = 0; index < fMulTrack; index++) | |
226 | fTracksList[index] = tempo[index] ; | |
227 | ||
228 | delete tempo ; | |
229 | ||
cf239357 | 230 | } |
231 | ||
9f616d61 | 232 | //______________________________________________________________________________ |
233 | void AliPHOSRecPoint::Paint(Option_t *) | |
234 | { | |
b2a60966 | 235 | // Paint this ALiRecPoint as a TMarker with its current attributes |
236 | ||
237 | TVector3 pos(0.,0.,0.) ; | |
238 | GetLocalPosition(pos) ; | |
239 | Coord_t x = pos.X() ; | |
240 | Coord_t y = pos.Z() ; | |
241 | Color_t markercolor = 1 ; | |
242 | Size_t markersize = 1. ; | |
243 | Style_t markerstyle = 5 ; | |
244 | ||
245 | if (!gPad->IsBatch()) { | |
246 | gVirtualX->SetMarkerColor(markercolor) ; | |
247 | gVirtualX->SetMarkerSize (markersize) ; | |
248 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
249 | } | |
250 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
251 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
9f616d61 | 252 | } |