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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; |
4b45b217 | 49 | |
d15a28e7 | 50 | } |
51 | ||
9f616d61 | 52 | //____________________________________________________________________________ |
53 | Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py) | |
54 | { | |
b2a60966 | 55 | // Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker |
56 | // Compute the closest distance of approach from point px,py to this marker. | |
57 | // The distance is computed in pixels units. | |
58 | ||
59 | TVector3 pos(0.,0.,0.) ; | |
60 | GetLocalPosition( pos) ; | |
61 | Float_t x = pos.X() ; | |
62 | Float_t y = pos.Z() ; | |
63 | const Int_t kMaxDiff = 10; | |
64 | Int_t pxm = gPad->XtoAbsPixel(x); | |
65 | Int_t pym = gPad->YtoAbsPixel(y); | |
66 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
67 | ||
68 | if (dist > kMaxDiff) return 9999; | |
69 | return dist; | |
9f616d61 | 70 | } |
6ad0bfa0 | 71 | |
9f616d61 | 72 | //___________________________________________________________________________ |
73 | void AliPHOSRecPoint::Draw(Option_t *option) | |
74 | { | |
6ad0bfa0 | 75 | // Draw this AliPHOSRecPoint with its current attributes |
76 | ||
77 | AppendPad(option); | |
9f616d61 | 78 | } |
79 | ||
80 | //______________________________________________________________________________ | |
81 | void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) | |
82 | { | |
6ad0bfa0 | 83 | // Execute action corresponding to one event |
84 | // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
85 | // | |
86 | // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
87 | // and switched off when the mouse button is released. | |
9f616d61 | 88 | |
89 | // static Int_t pxold, pyold; | |
90 | ||
b2a60966 | 91 | static TGraph * digitgraph = 0 ; |
92 | static TPaveText* clustertext = 0 ; | |
93 | ||
94 | if (!gPad->IsEditable()) return; | |
9f616d61 | 95 | |
b2a60966 | 96 | switch (event) { |
97 | ||
98 | ||
99 | case kButton1Down:{ | |
100 | AliPHOSDigit * digit ; | |
7b7c1533 | 101 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
102 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
103 | ||
b2a60966 | 104 | Int_t iDigit; |
105 | Int_t relid[4] ; | |
31aa6d6c | 106 | |
88714635 | 107 | const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ; |
108 | Float_t * xi = new Float_t [kMulDigit] ; | |
109 | Float_t * zi = new Float_t [kMulDigit] ; | |
b2a60966 | 110 | |
88714635 | 111 | for(iDigit = 0; iDigit < kMulDigit; iDigit++) { |
b2a60966 | 112 | digit = (AliPHOSDigit *) fDigitsList[iDigit]; |
113 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
114 | phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ; | |
115 | } | |
116 | ||
117 | if (!digitgraph) { | |
118 | digitgraph = new TGraph(fMulDigit,xi,zi); | |
119 | digitgraph-> SetMarkerStyle(5) ; | |
120 | digitgraph-> SetMarkerSize(1.) ; | |
121 | digitgraph-> SetMarkerColor(1) ; | |
122 | digitgraph-> Draw("P") ; | |
123 | } | |
124 | if (!clustertext) { | |
125 | ||
126 | TVector3 pos(0.,0.,0.) ; | |
127 | GetLocalPosition(pos) ; | |
128 | clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ; | |
129 | Text_t line1[40] ; | |
130 | Text_t line2[40] ; | |
131 | sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ; | |
132 | sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ; | |
133 | clustertext ->AddText(line1) ; | |
134 | clustertext ->AddText(line2) ; | |
135 | clustertext ->Draw(""); | |
136 | } | |
137 | gPad->Update() ; | |
138 | Print() ; | |
31aa6d6c | 139 | delete[] xi ; |
140 | delete[] zi ; | |
141 | } | |
b2a60966 | 142 | |
31aa6d6c | 143 | break; |
b2a60966 | 144 | |
145 | case kButton1Up: | |
146 | if (digitgraph) { | |
147 | delete digitgraph ; | |
148 | digitgraph = 0 ; | |
149 | } | |
150 | if (clustertext) { | |
151 | delete clustertext ; | |
152 | clustertext = 0 ; | |
153 | } | |
154 | ||
155 | break; | |
156 | ||
9f616d61 | 157 | } |
9f616d61 | 158 | } |
ad8cfaf4 | 159 | //____________________________________________________________________________ |
2731cd1e | 160 | void AliPHOSRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits) { |
ad8cfaf4 | 161 | //evaluates (if necessary) all RecPoint data members |
9f616d61 | 162 | |
2731cd1e | 163 | EvalPrimaries(digits) ; |
ad8cfaf4 | 164 | } |
d15a28e7 | 165 | //____________________________________________________________________________ |
2731cd1e | 166 | void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit) |
b2a60966 | 167 | { |
168 | // Returns the PHOS module in which the RecPoint is found | |
83974468 | 169 | |
2731cd1e | 170 | if( fPHOSMod == 0){ |
ad8cfaf4 | 171 | Int_t relid[4] ; |
83974468 | 172 | |
7b7c1533 | 173 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
174 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
d15a28e7 | 175 | |
92862013 | 176 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
d15a28e7 | 177 | fPHOSMod = relid[0]; |
2731cd1e | 178 | } |
d15a28e7 | 179 | } |
6ad0bfa0 | 180 | |
cf239357 | 181 | //______________________________________________________________________________ |
2731cd1e | 182 | void AliPHOSRecPoint::EvalPrimaries(TClonesArray * digits) |
cf239357 | 183 | { |
2731cd1e | 184 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint |
b2a60966 | 185 | |
cf239357 | 186 | AliPHOSDigit * digit ; |
2731cd1e | 187 | Int_t * tempo = new Int_t[fMaxTrack] ; |
188 | ||
189 | Int_t index ; | |
cf239357 | 190 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits |
2731cd1e | 191 | digit = (AliPHOSDigit *) digits->At( fDigitsList[index] ) ; |
cf239357 | 192 | Int_t nprimaries = digit->GetNprimary() ; |
26d4b141 | 193 | Int_t * newprimaryarray = new Int_t[nprimaries] ; |
194 | Int_t ii ; | |
195 | for ( ii = 0 ; ii < nprimaries ; ii++) | |
196 | newprimaryarray[ii] = digit->GetPrimary(ii+1) ; | |
2731cd1e | 197 | |
cf239357 | 198 | Int_t jndex ; |
199 | for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit | |
2731cd1e | 200 | if ( fMulTrack > fMaxTrack ) { |
201 | fMulTrack = - 1 ; | |
202 | cout << "AliPHOSRecPoint::GetNprimaries ERROR > increase fMaxTrack " << endl ; | |
cf239357 | 203 | break ; |
204 | } | |
205 | Int_t newprimary = newprimaryarray[jndex] ; | |
cf239357 | 206 | Int_t kndex ; |
207 | Bool_t already = kFALSE ; | |
2731cd1e | 208 | for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored |
cf239357 | 209 | if ( newprimary == tempo[kndex] ){ |
210 | already = kTRUE ; | |
211 | break ; | |
212 | } | |
213 | } // end of check | |
b2a60966 | 214 | if ( !already) { // store it |
2731cd1e | 215 | tempo[fMulTrack] = newprimary ; |
216 | fMulTrack++ ; | |
cf239357 | 217 | } // store it |
218 | } // all primaries in digit | |
26d4b141 | 219 | delete newprimaryarray ; |
cf239357 | 220 | } // all digits |
221 | ||
2731cd1e | 222 | |
223 | fTracksList = new Int_t[fMulTrack] ; | |
224 | for(index = 0; index < fMulTrack; index++) | |
225 | fTracksList[index] = tempo[index] ; | |
226 | ||
227 | delete tempo ; | |
228 | ||
cf239357 | 229 | } |
4b45b217 | 230 | //____________________________________________________________________________ |
231 | void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrix & gmat) const | |
232 | { | |
233 | // returns the position of the cluster in the global reference system of ALICE | |
234 | // and the uncertainty on this position | |
235 | ||
236 | ||
237 | AliPHOSGetter::GetInstance()->PHOSGeometry()->GetGlobal(this, gpos, gmat) ; | |
238 | ||
239 | } | |
240 | ||
cf239357 | 241 | |
9f616d61 | 242 | //______________________________________________________________________________ |
243 | void AliPHOSRecPoint::Paint(Option_t *) | |
244 | { | |
b2a60966 | 245 | // Paint this ALiRecPoint as a TMarker with its current attributes |
246 | ||
247 | TVector3 pos(0.,0.,0.) ; | |
248 | GetLocalPosition(pos) ; | |
249 | Coord_t x = pos.X() ; | |
250 | Coord_t y = pos.Z() ; | |
251 | Color_t markercolor = 1 ; | |
252 | Size_t markersize = 1. ; | |
253 | Style_t markerstyle = 5 ; | |
254 | ||
255 | if (!gPad->IsBatch()) { | |
256 | gVirtualX->SetMarkerColor(markercolor) ; | |
257 | gVirtualX->SetMarkerSize (markersize) ; | |
258 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
259 | } | |
260 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
261 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
9f616d61 | 262 | } |