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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" |
e957fea8 | 25 | #include "TGraph.h" |
26 | #include "TPaveText.h" | |
2731cd1e | 27 | #include "TClonesArray.h" |
d15a28e7 | 28 | |
29 | // --- Standard library --- | |
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 | ||
88cb7938 | 47 | fMaxTrack = 0 ; |
48 | fPHOSMod = 0 ; | |
4b45b217 | 49 | |
d15a28e7 | 50 | } |
51 | ||
73a68ccb | 52 | //____________________________________________________________________________ |
53 | AliPHOSRecPoint::AliPHOSRecPoint(const char * opt) : AliRecPoint(opt) | |
54 | { | |
55 | // ctor | |
56 | ||
57 | fMaxTrack = 200 ; | |
88cb7938 | 58 | fPHOSMod = 0; |
55fe9d13 | 59 | |
60 | } | |
61 | ||
9f616d61 | 62 | //____________________________________________________________________________ |
63 | Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py) | |
64 | { | |
b2a60966 | 65 | // Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker |
66 | // Compute the closest distance of approach from point px,py to this marker. | |
67 | // The distance is computed in pixels units. | |
68 | ||
69 | TVector3 pos(0.,0.,0.) ; | |
70 | GetLocalPosition( pos) ; | |
71 | Float_t x = pos.X() ; | |
72 | Float_t y = pos.Z() ; | |
73 | const Int_t kMaxDiff = 10; | |
74 | Int_t pxm = gPad->XtoAbsPixel(x); | |
75 | Int_t pym = gPad->YtoAbsPixel(y); | |
76 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
77 | ||
78 | if (dist > kMaxDiff) return 9999; | |
79 | return dist; | |
9f616d61 | 80 | } |
6ad0bfa0 | 81 | |
9f616d61 | 82 | //___________________________________________________________________________ |
83 | void AliPHOSRecPoint::Draw(Option_t *option) | |
84 | { | |
6ad0bfa0 | 85 | // Draw this AliPHOSRecPoint with its current attributes |
86 | ||
87 | AppendPad(option); | |
9f616d61 | 88 | } |
89 | ||
90 | //______________________________________________________________________________ | |
8f2a3661 | 91 | void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t) |
9f616d61 | 92 | { |
6ad0bfa0 | 93 | // Execute action corresponding to one event |
94 | // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
95 | // | |
96 | // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
97 | // and switched off when the mouse button is released. | |
9f616d61 | 98 | |
99 | // static Int_t pxold, pyold; | |
100 | ||
b2a60966 | 101 | static TGraph * digitgraph = 0 ; |
102 | static TPaveText* clustertext = 0 ; | |
103 | ||
104 | if (!gPad->IsEditable()) return; | |
9f616d61 | 105 | |
b2a60966 | 106 | switch (event) { |
107 | ||
108 | ||
109 | case kButton1Down:{ | |
110 | AliPHOSDigit * digit ; | |
88cb7938 | 111 | |
112 | // Accessing geometry this way is equivalent to getting from gAlice | |
113 | // to have Detector in Folder one have to load gAlice anyway | |
114 | // AliPHOSLoader * gime = AliPHOSLoader::GetInstance(); | |
115 | // AliPHOSGeometry * phosgeom = const_cast<AliPHOSGeometry*>(gime->PHOSGeometry()); | |
116 | ||
117 | AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry(); | |
7b7c1533 | 118 | |
b2a60966 | 119 | Int_t iDigit; |
120 | Int_t relid[4] ; | |
31aa6d6c | 121 | |
88714635 | 122 | const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ; |
123 | Float_t * xi = new Float_t [kMulDigit] ; | |
124 | Float_t * zi = new Float_t [kMulDigit] ; | |
b2a60966 | 125 | |
88714635 | 126 | for(iDigit = 0; iDigit < kMulDigit; iDigit++) { |
4696e514 | 127 | Fatal("AliPHOSRecPoint::ExecuteEvent", "-> Something wrong with the code"); |
7a9d98f9 | 128 | digit = 0 ; //dynamic_cast<AliPHOSDigit *>((fDigitsList)[iDigit]); |
b2a60966 | 129 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
130 | phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ; | |
131 | } | |
132 | ||
133 | if (!digitgraph) { | |
134 | digitgraph = new TGraph(fMulDigit,xi,zi); | |
135 | digitgraph-> SetMarkerStyle(5) ; | |
136 | digitgraph-> SetMarkerSize(1.) ; | |
137 | digitgraph-> SetMarkerColor(1) ; | |
138 | digitgraph-> Draw("P") ; | |
139 | } | |
140 | if (!clustertext) { | |
141 | ||
142 | TVector3 pos(0.,0.,0.) ; | |
143 | GetLocalPosition(pos) ; | |
144 | clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ; | |
145 | Text_t line1[40] ; | |
146 | Text_t line2[40] ; | |
147 | sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ; | |
148 | sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ; | |
149 | clustertext ->AddText(line1) ; | |
150 | clustertext ->AddText(line2) ; | |
151 | clustertext ->Draw(""); | |
152 | } | |
153 | gPad->Update() ; | |
a8c47ab6 | 154 | Print("dummy") ; |
31aa6d6c | 155 | delete[] xi ; |
156 | delete[] zi ; | |
157 | } | |
b2a60966 | 158 | |
31aa6d6c | 159 | break; |
b2a60966 | 160 | |
161 | case kButton1Up: | |
162 | if (digitgraph) { | |
163 | delete digitgraph ; | |
164 | digitgraph = 0 ; | |
165 | } | |
166 | if (clustertext) { | |
167 | delete clustertext ; | |
168 | clustertext = 0 ; | |
169 | } | |
170 | ||
171 | break; | |
172 | ||
9f616d61 | 173 | } |
9f616d61 | 174 | } |
ad8cfaf4 | 175 | //____________________________________________________________________________ |
e957fea8 | 176 | void AliPHOSRecPoint::EvalAll(TClonesArray * digits) |
88cb7938 | 177 | { |
ad8cfaf4 | 178 | //evaluates (if necessary) all RecPoint data members |
9f616d61 | 179 | |
2731cd1e | 180 | EvalPrimaries(digits) ; |
ad8cfaf4 | 181 | } |
88cb7938 | 182 | |
d15a28e7 | 183 | //____________________________________________________________________________ |
2731cd1e | 184 | void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit) |
b2a60966 | 185 | { |
186 | // Returns the PHOS module in which the RecPoint is found | |
83974468 | 187 | |
2731cd1e | 188 | if( fPHOSMod == 0){ |
ad8cfaf4 | 189 | Int_t relid[4] ; |
88cb7938 | 190 | |
191 | AliPHOSGeometry * phosgeom = (AliPHOSGetter::Instance())->PHOSGeometry(); | |
d15a28e7 | 192 | |
92862013 | 193 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
d15a28e7 | 194 | fPHOSMod = relid[0]; |
2731cd1e | 195 | } |
d15a28e7 | 196 | } |
6ad0bfa0 | 197 | |
cf239357 | 198 | //______________________________________________________________________________ |
2731cd1e | 199 | void AliPHOSRecPoint::EvalPrimaries(TClonesArray * digits) |
cf239357 | 200 | { |
2731cd1e | 201 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint |
b2a60966 | 202 | |
cf239357 | 203 | AliPHOSDigit * digit ; |
2731cd1e | 204 | Int_t * tempo = new Int_t[fMaxTrack] ; |
205 | ||
206 | Int_t index ; | |
cf239357 | 207 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits |
7a9d98f9 | 208 | digit = dynamic_cast<AliPHOSDigit *>(digits->At( fDigitsList[index] )) ; |
88cb7938 | 209 | Int_t nprimaries = digit->GetNprimary() ; |
210 | if(nprimaries){ | |
211 | Int_t * newprimaryarray = new Int_t[nprimaries] ; | |
212 | Int_t ii ; | |
213 | for ( ii = 0 ; ii < nprimaries ; ii++) | |
214 | newprimaryarray[ii] = digit->GetPrimary(ii+1) ; | |
215 | ||
216 | Int_t jndex ; | |
217 | for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit | |
218 | if ( fMulTrack > fMaxTrack ) { | |
219 | fMulTrack = - 1 ; | |
220 | Error("EvalPrimaries", "GetNprimaries ERROR > increase fMaxTrack" ) ; | |
221 | break ; | |
222 | } | |
223 | Int_t newprimary = newprimaryarray[jndex] ; | |
224 | Int_t kndex ; | |
225 | Bool_t already = kFALSE ; | |
226 | for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored | |
227 | if ( newprimary == tempo[kndex] ){ | |
228 | already = kTRUE ; | |
884e9693 | 229 | break ; |
230 | } | |
88cb7938 | 231 | } // end of check |
232 | if ( !already) { // store it | |
233 | tempo[fMulTrack] = newprimary ; | |
234 | fMulTrack++ ; | |
235 | } // store it | |
236 | } // all primaries in digit | |
237 | delete [] newprimaryarray ; | |
884e9693 | 238 | } |
cf239357 | 239 | } // all digits |
240 | ||
884e9693 | 241 | if(fMulTrack) |
242 | fTracksList = new Int_t[fMulTrack] ; | |
2731cd1e | 243 | for(index = 0; index < fMulTrack; index++) |
884e9693 | 244 | fTracksList[index] = tempo[index] ; |
245 | ||
780a31c1 | 246 | delete [] tempo ; |
884e9693 | 247 | |
cf239357 | 248 | } |
4b45b217 | 249 | //____________________________________________________________________________ |
250 | void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrix & gmat) const | |
251 | { | |
252 | // returns the position of the cluster in the global reference system of ALICE | |
253 | // and the uncertainty on this position | |
88cb7938 | 254 | (AliPHOSGetter::Instance())->PHOSGeometry()->GetGlobal(this, gpos, gmat); |
4b45b217 | 255 | } |
256 | ||
cf239357 | 257 | |
9f616d61 | 258 | //______________________________________________________________________________ |
259 | void AliPHOSRecPoint::Paint(Option_t *) | |
260 | { | |
b2a60966 | 261 | // Paint this ALiRecPoint as a TMarker with its current attributes |
262 | ||
263 | TVector3 pos(0.,0.,0.) ; | |
264 | GetLocalPosition(pos) ; | |
265 | Coord_t x = pos.X() ; | |
266 | Coord_t y = pos.Z() ; | |
267 | Color_t markercolor = 1 ; | |
268 | Size_t markersize = 1. ; | |
269 | Style_t markerstyle = 5 ; | |
270 | ||
271 | if (!gPad->IsBatch()) { | |
272 | gVirtualX->SetMarkerColor(markercolor) ; | |
273 | gVirtualX->SetMarkerSize (markersize) ; | |
274 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
275 | } | |
276 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
277 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
9f616d61 | 278 | } |
88cb7938 | 279 | //______________________________________________________________________________ |
280 |