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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() | |
3663622c | 43 | : AliRecPoint(), |
44 | fPHOSMod(0) | |
d15a28e7 | 45 | { |
b2a60966 | 46 | // ctor |
47 | ||
88cb7938 | 48 | fMaxTrack = 0 ; |
d15a28e7 | 49 | } |
50 | ||
73a68ccb | 51 | //____________________________________________________________________________ |
3663622c | 52 | AliPHOSRecPoint::AliPHOSRecPoint(const char * opt) |
53 | : AliRecPoint(opt), | |
54 | fPHOSMod(0) | |
73a68ccb | 55 | { |
56 | // ctor | |
57 | ||
58 | fMaxTrack = 200 ; | |
55fe9d13 | 59 | } |
60 | ||
9f616d61 | 61 | //____________________________________________________________________________ |
62 | Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py) | |
63 | { | |
b2a60966 | 64 | // Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker |
65 | // Compute the closest distance of approach from point px,py to this marker. | |
66 | // The distance is computed in pixels units. | |
67 | ||
68 | TVector3 pos(0.,0.,0.) ; | |
69 | GetLocalPosition( pos) ; | |
70 | Float_t x = pos.X() ; | |
71 | Float_t y = pos.Z() ; | |
72 | const Int_t kMaxDiff = 10; | |
73 | Int_t pxm = gPad->XtoAbsPixel(x); | |
74 | Int_t pym = gPad->YtoAbsPixel(y); | |
75 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
76 | ||
77 | if (dist > kMaxDiff) return 9999; | |
78 | return dist; | |
9f616d61 | 79 | } |
6ad0bfa0 | 80 | |
9f616d61 | 81 | //___________________________________________________________________________ |
82 | void AliPHOSRecPoint::Draw(Option_t *option) | |
83 | { | |
6ad0bfa0 | 84 | // Draw this AliPHOSRecPoint with its current attributes |
85 | ||
86 | AppendPad(option); | |
9f616d61 | 87 | } |
88 | ||
89 | //______________________________________________________________________________ | |
8f2a3661 | 90 | void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t) |
9f616d61 | 91 | { |
6ad0bfa0 | 92 | // Execute action corresponding to one event |
93 | // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
94 | // | |
95 | // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
96 | // and switched off when the mouse button is released. | |
9f616d61 | 97 | |
98 | // static Int_t pxold, pyold; | |
99 | ||
b2a60966 | 100 | static TGraph * digitgraph = 0 ; |
101 | static TPaveText* clustertext = 0 ; | |
102 | ||
103 | if (!gPad->IsEditable()) return; | |
9f616d61 | 104 | |
b2a60966 | 105 | switch (event) { |
106 | ||
107 | ||
108 | case kButton1Down:{ | |
109 | AliPHOSDigit * digit ; | |
88cb7938 | 110 | |
111 | // Accessing geometry this way is equivalent to getting from gAlice | |
112 | // to have Detector in Folder one have to load gAlice anyway | |
113 | // AliPHOSLoader * gime = AliPHOSLoader::GetInstance(); | |
114 | // AliPHOSGeometry * phosgeom = const_cast<AliPHOSGeometry*>(gime->PHOSGeometry()); | |
115 | ||
116 | AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry(); | |
7b7c1533 | 117 | |
b2a60966 | 118 | Int_t iDigit; |
119 | Int_t relid[4] ; | |
31aa6d6c | 120 | |
88714635 | 121 | const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ; |
122 | Float_t * xi = new Float_t [kMulDigit] ; | |
123 | Float_t * zi = new Float_t [kMulDigit] ; | |
b2a60966 | 124 | |
88714635 | 125 | for(iDigit = 0; iDigit < kMulDigit; iDigit++) { |
4696e514 | 126 | Fatal("AliPHOSRecPoint::ExecuteEvent", "-> Something wrong with the code"); |
7a9d98f9 | 127 | digit = 0 ; //dynamic_cast<AliPHOSDigit *>((fDigitsList)[iDigit]); |
b2a60966 | 128 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
129 | phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ; | |
130 | } | |
131 | ||
132 | if (!digitgraph) { | |
133 | digitgraph = new TGraph(fMulDigit,xi,zi); | |
134 | digitgraph-> SetMarkerStyle(5) ; | |
135 | digitgraph-> SetMarkerSize(1.) ; | |
136 | digitgraph-> SetMarkerColor(1) ; | |
137 | digitgraph-> Draw("P") ; | |
138 | } | |
139 | if (!clustertext) { | |
140 | ||
141 | TVector3 pos(0.,0.,0.) ; | |
142 | GetLocalPosition(pos) ; | |
143 | clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ; | |
144 | Text_t line1[40] ; | |
145 | Text_t line2[40] ; | |
146 | sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ; | |
147 | sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ; | |
148 | clustertext ->AddText(line1) ; | |
149 | clustertext ->AddText(line2) ; | |
150 | clustertext ->Draw(""); | |
151 | } | |
152 | gPad->Update() ; | |
a8c47ab6 | 153 | Print("dummy") ; |
31aa6d6c | 154 | delete[] xi ; |
155 | delete[] zi ; | |
156 | } | |
b2a60966 | 157 | |
31aa6d6c | 158 | break; |
b2a60966 | 159 | |
160 | case kButton1Up: | |
161 | if (digitgraph) { | |
162 | delete digitgraph ; | |
163 | digitgraph = 0 ; | |
164 | } | |
165 | if (clustertext) { | |
166 | delete clustertext ; | |
167 | clustertext = 0 ; | |
168 | } | |
169 | ||
170 | break; | |
171 | ||
9f616d61 | 172 | } |
9f616d61 | 173 | } |
ad8cfaf4 | 174 | //____________________________________________________________________________ |
e957fea8 | 175 | void AliPHOSRecPoint::EvalAll(TClonesArray * digits) |
88cb7938 | 176 | { |
ad8cfaf4 | 177 | //evaluates (if necessary) all RecPoint data members |
9f616d61 | 178 | |
2731cd1e | 179 | EvalPrimaries(digits) ; |
ad8cfaf4 | 180 | } |
88cb7938 | 181 | |
d15a28e7 | 182 | //____________________________________________________________________________ |
2731cd1e | 183 | void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit) |
b2a60966 | 184 | { |
185 | // Returns the PHOS module in which the RecPoint is found | |
83974468 | 186 | |
2731cd1e | 187 | if( fPHOSMod == 0){ |
ad8cfaf4 | 188 | Int_t relid[4] ; |
88cb7938 | 189 | |
190 | AliPHOSGeometry * phosgeom = (AliPHOSGetter::Instance())->PHOSGeometry(); | |
d15a28e7 | 191 | |
92862013 | 192 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
d15a28e7 | 193 | fPHOSMod = relid[0]; |
2731cd1e | 194 | } |
d15a28e7 | 195 | } |
6ad0bfa0 | 196 | |
cf239357 | 197 | //______________________________________________________________________________ |
2731cd1e | 198 | void AliPHOSRecPoint::EvalPrimaries(TClonesArray * digits) |
cf239357 | 199 | { |
2731cd1e | 200 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint |
b2a60966 | 201 | |
cf239357 | 202 | AliPHOSDigit * digit ; |
2731cd1e | 203 | Int_t * tempo = new Int_t[fMaxTrack] ; |
204 | ||
205 | Int_t index ; | |
cf239357 | 206 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits |
7a9d98f9 | 207 | digit = dynamic_cast<AliPHOSDigit *>(digits->At( fDigitsList[index] )) ; |
88cb7938 | 208 | Int_t nprimaries = digit->GetNprimary() ; |
209 | if(nprimaries){ | |
210 | Int_t * newprimaryarray = new Int_t[nprimaries] ; | |
211 | Int_t ii ; | |
212 | for ( ii = 0 ; ii < nprimaries ; ii++) | |
213 | newprimaryarray[ii] = digit->GetPrimary(ii+1) ; | |
214 | ||
215 | Int_t jndex ; | |
216 | for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit | |
217 | if ( fMulTrack > fMaxTrack ) { | |
218 | fMulTrack = - 1 ; | |
219 | Error("EvalPrimaries", "GetNprimaries ERROR > increase fMaxTrack" ) ; | |
220 | break ; | |
221 | } | |
222 | Int_t newprimary = newprimaryarray[jndex] ; | |
223 | Int_t kndex ; | |
224 | Bool_t already = kFALSE ; | |
225 | for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored | |
226 | if ( newprimary == tempo[kndex] ){ | |
227 | already = kTRUE ; | |
884e9693 | 228 | break ; |
229 | } | |
88cb7938 | 230 | } // end of check |
231 | if ( !already) { // store it | |
232 | tempo[fMulTrack] = newprimary ; | |
233 | fMulTrack++ ; | |
234 | } // store it | |
235 | } // all primaries in digit | |
236 | delete [] newprimaryarray ; | |
884e9693 | 237 | } |
cf239357 | 238 | } // all digits |
239 | ||
884e9693 | 240 | if(fMulTrack) |
241 | fTracksList = new Int_t[fMulTrack] ; | |
2731cd1e | 242 | for(index = 0; index < fMulTrack; index++) |
884e9693 | 243 | fTracksList[index] = tempo[index] ; |
244 | ||
780a31c1 | 245 | delete [] tempo ; |
884e9693 | 246 | |
cf239357 | 247 | } |
4b45b217 | 248 | //____________________________________________________________________________ |
e8d02863 | 249 | void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const |
4b45b217 | 250 | { |
251 | // returns the position of the cluster in the global reference system of ALICE | |
252 | // and the uncertainty on this position | |
88cb7938 | 253 | (AliPHOSGetter::Instance())->PHOSGeometry()->GetGlobal(this, gpos, gmat); |
4b45b217 | 254 | } |
255 | ||
cf239357 | 256 | |
9f616d61 | 257 | //______________________________________________________________________________ |
258 | void AliPHOSRecPoint::Paint(Option_t *) | |
259 | { | |
b2a60966 | 260 | // Paint this ALiRecPoint as a TMarker with its current attributes |
261 | ||
262 | TVector3 pos(0.,0.,0.) ; | |
263 | GetLocalPosition(pos) ; | |
264 | Coord_t x = pos.X() ; | |
265 | Coord_t y = pos.Z() ; | |
266 | Color_t markercolor = 1 ; | |
267 | Size_t markersize = 1. ; | |
268 | Style_t markerstyle = 5 ; | |
269 | ||
270 | if (!gPad->IsBatch()) { | |
271 | gVirtualX->SetMarkerColor(markercolor) ; | |
272 | gVirtualX->SetMarkerSize (markersize) ; | |
273 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
274 | } | |
275 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
276 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
9f616d61 | 277 | } |
88cb7938 | 278 | //______________________________________________________________________________ |
279 |