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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" |
55fe9d13 | 26 | #include "TGraph.h" |
27 | #include "TPaveText.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 | ||
baef0810 | 47 | fMaxTrack = 200 ; |
d15a28e7 | 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 ; | |
58 | fPHOSMod = 0; | |
59 | ||
60 | } | |
61 | ||
55fe9d13 | 62 | //____________________________________________________________________________ |
63 | AliPHOSRecPoint::AliPHOSRecPoint(const AliPHOSRecPoint & rp ) : AliRecPoint(rp) | |
64 | { | |
65 | // cpy ctor | |
66 | ||
67 | fMaxTrack = rp.fMaxTrack; | |
68 | fPHOSMod = rp.fPHOSMod; | |
69 | ||
70 | } | |
71 | ||
9f616d61 | 72 | //____________________________________________________________________________ |
73 | Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py) | |
74 | { | |
b2a60966 | 75 | // Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker |
76 | // Compute the closest distance of approach from point px,py to this marker. | |
77 | // The distance is computed in pixels units. | |
78 | ||
79 | TVector3 pos(0.,0.,0.) ; | |
80 | GetLocalPosition( pos) ; | |
81 | Float_t x = pos.X() ; | |
82 | Float_t y = pos.Z() ; | |
83 | const Int_t kMaxDiff = 10; | |
84 | Int_t pxm = gPad->XtoAbsPixel(x); | |
85 | Int_t pym = gPad->YtoAbsPixel(y); | |
86 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
87 | ||
88 | if (dist > kMaxDiff) return 9999; | |
89 | return dist; | |
9f616d61 | 90 | } |
6ad0bfa0 | 91 | |
9f616d61 | 92 | //___________________________________________________________________________ |
93 | void AliPHOSRecPoint::Draw(Option_t *option) | |
94 | { | |
6ad0bfa0 | 95 | // Draw this AliPHOSRecPoint with its current attributes |
96 | ||
97 | AppendPad(option); | |
9f616d61 | 98 | } |
99 | ||
100 | //______________________________________________________________________________ | |
cde7e5dc | 101 | void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) const |
9f616d61 | 102 | { |
6ad0bfa0 | 103 | // Execute action corresponding to one event |
104 | // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
105 | // | |
106 | // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
107 | // and switched off when the mouse button is released. | |
9f616d61 | 108 | |
109 | // static Int_t pxold, pyold; | |
110 | ||
b2a60966 | 111 | static TGraph * digitgraph = 0 ; |
112 | static TPaveText* clustertext = 0 ; | |
113 | ||
114 | if (!gPad->IsEditable()) return; | |
9f616d61 | 115 | |
b2a60966 | 116 | switch (event) { |
117 | ||
118 | ||
119 | case kButton1Down:{ | |
120 | AliPHOSDigit * digit ; | |
7b7c1533 | 121 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
7a9d98f9 | 122 | AliPHOSGeometry * phosgeom = const_cast<AliPHOSGeometry*>(gime->PHOSGeometry()); |
7b7c1533 | 123 | |
b2a60966 | 124 | Int_t iDigit; |
125 | Int_t relid[4] ; | |
31aa6d6c | 126 | |
88714635 | 127 | const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ; |
128 | Float_t * xi = new Float_t [kMulDigit] ; | |
129 | Float_t * zi = new Float_t [kMulDigit] ; | |
b2a60966 | 130 | |
88714635 | 131 | for(iDigit = 0; iDigit < kMulDigit; iDigit++) { |
4696e514 | 132 | Fatal("AliPHOSRecPoint::ExecuteEvent", "-> Something wrong with the code"); |
7a9d98f9 | 133 | digit = 0 ; //dynamic_cast<AliPHOSDigit *>((fDigitsList)[iDigit]); |
b2a60966 | 134 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
135 | phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ; | |
136 | } | |
137 | ||
138 | if (!digitgraph) { | |
139 | digitgraph = new TGraph(fMulDigit,xi,zi); | |
140 | digitgraph-> SetMarkerStyle(5) ; | |
141 | digitgraph-> SetMarkerSize(1.) ; | |
142 | digitgraph-> SetMarkerColor(1) ; | |
143 | digitgraph-> Draw("P") ; | |
144 | } | |
145 | if (!clustertext) { | |
146 | ||
147 | TVector3 pos(0.,0.,0.) ; | |
148 | GetLocalPosition(pos) ; | |
149 | clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ; | |
150 | Text_t line1[40] ; | |
151 | Text_t line2[40] ; | |
152 | sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ; | |
153 | sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ; | |
154 | clustertext ->AddText(line1) ; | |
155 | clustertext ->AddText(line2) ; | |
156 | clustertext ->Draw(""); | |
157 | } | |
158 | gPad->Update() ; | |
159 | Print() ; | |
31aa6d6c | 160 | delete[] xi ; |
161 | delete[] zi ; | |
162 | } | |
b2a60966 | 163 | |
31aa6d6c | 164 | break; |
b2a60966 | 165 | |
166 | case kButton1Up: | |
167 | if (digitgraph) { | |
168 | delete digitgraph ; | |
169 | digitgraph = 0 ; | |
170 | } | |
171 | if (clustertext) { | |
172 | delete clustertext ; | |
173 | clustertext = 0 ; | |
174 | } | |
175 | ||
176 | break; | |
177 | ||
9f616d61 | 178 | } |
9f616d61 | 179 | } |
ad8cfaf4 | 180 | //____________________________________________________________________________ |
2731cd1e | 181 | void AliPHOSRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits) { |
ad8cfaf4 | 182 | //evaluates (if necessary) all RecPoint data members |
9f616d61 | 183 | |
2731cd1e | 184 | EvalPrimaries(digits) ; |
ad8cfaf4 | 185 | } |
d15a28e7 | 186 | //____________________________________________________________________________ |
2731cd1e | 187 | void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit) |
b2a60966 | 188 | { |
189 | // Returns the PHOS module in which the RecPoint is found | |
83974468 | 190 | |
2731cd1e | 191 | if( fPHOSMod == 0){ |
ad8cfaf4 | 192 | Int_t relid[4] ; |
83974468 | 193 | |
7b7c1533 | 194 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
7a9d98f9 | 195 | AliPHOSGeometry * phosgeom = const_cast<AliPHOSGeometry*>(gime->PHOSGeometry()); |
d15a28e7 | 196 | |
92862013 | 197 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
d15a28e7 | 198 | fPHOSMod = relid[0]; |
2731cd1e | 199 | } |
d15a28e7 | 200 | } |
6ad0bfa0 | 201 | |
cf239357 | 202 | //______________________________________________________________________________ |
2731cd1e | 203 | void AliPHOSRecPoint::EvalPrimaries(TClonesArray * digits) |
cf239357 | 204 | { |
2731cd1e | 205 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint |
bb53c80c | 206 | // First in the list - primary, made strongest contribution to the center |
207 | ||
b2a60966 | 208 | |
cf239357 | 209 | AliPHOSDigit * digit ; |
2731cd1e | 210 | Int_t * tempo = new Int_t[fMaxTrack] ; |
211 | ||
bb53c80c | 212 | //Find digit in center |
213 | AliPHOSGeometry * geom = AliPHOSGeometry::GetInstance("IHEP","") ; | |
214 | if(!geom){ | |
215 | Error("EvalPrimaries","Can not instantiate PHOS geometry") ; | |
216 | return ; | |
217 | } | |
218 | TVector3 pos ; | |
219 | TMatrix mat ; | |
220 | GetGlobalPosition(pos,mat) ; | |
221 | Int_t module ; | |
222 | Double_t x,z ; | |
223 | geom->ImpactOnEmc(pos.Theta(),pos.Phi(),module,z,x); | |
224 | Int_t absId ; | |
225 | geom->RelPosToAbsId(module,x,z,absId) ; | |
226 | //copy primaries | |
2731cd1e | 227 | Int_t index ; |
cf239357 | 228 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits |
7a9d98f9 | 229 | digit = dynamic_cast<AliPHOSDigit *>(digits->At( fDigitsList[index] )) ; |
bb53c80c | 230 | if(digit->GetId() == absId){ |
231 | fMulTrack = digit->GetNprimary() ; | |
232 | for(Int_t ii = 0 ; ii < fMulTrack ; ii++) | |
233 | tempo[ii] = digit->GetPrimary(ii+1) ; | |
234 | } | |
235 | } | |
236 | ||
237 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits | |
238 | digit = dynamic_cast<AliPHOSDigit *>(digits->At( fDigitsList[index] )) ; | |
239 | if(digit->GetId()!=absId){ //already done | |
240 | Int_t nprimaries = digit->GetNprimary() ; | |
241 | if(nprimaries){ | |
242 | Int_t * newprimaryarray = new Int_t[nprimaries] ; | |
243 | Int_t ii ; | |
244 | for ( ii = 0 ; ii < nprimaries ; ii++) | |
245 | newprimaryarray[ii] = digit->GetPrimary(ii+1) ; | |
246 | ||
247 | Int_t jndex ; | |
248 | for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit | |
249 | if ( fMulTrack > fMaxTrack ) { | |
250 | fMulTrack = - 1 ; | |
251 | Error("EvalPrimaries", "GetNprimaries ERROR > increase fMaxTrack" ) ; | |
884e9693 | 252 | break ; |
253 | } | |
bb53c80c | 254 | Int_t newprimary = newprimaryarray[jndex] ; |
255 | Int_t kndex ; | |
256 | Bool_t already = kFALSE ; | |
257 | for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored | |
258 | if ( newprimary == tempo[kndex] ){ | |
259 | already = kTRUE ; | |
260 | break ; | |
261 | } | |
262 | } // end of check | |
263 | if ( !already) { // store it | |
264 | tempo[fMulTrack] = newprimary ; | |
265 | fMulTrack++ ; | |
266 | } // store it | |
267 | } // all primaries in digit | |
268 | delete [] newprimaryarray ; | |
269 | } | |
884e9693 | 270 | } |
cf239357 | 271 | } // all digits |
272 | ||
884e9693 | 273 | if(fMulTrack) |
274 | fTracksList = new Int_t[fMulTrack] ; | |
2731cd1e | 275 | for(index = 0; index < fMulTrack; index++) |
884e9693 | 276 | fTracksList[index] = tempo[index] ; |
277 | ||
780a31c1 | 278 | delete [] tempo ; |
884e9693 | 279 | |
cf239357 | 280 | } |
4b45b217 | 281 | //____________________________________________________________________________ |
282 | void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrix & gmat) const | |
283 | { | |
284 | // returns the position of the cluster in the global reference system of ALICE | |
285 | // and the uncertainty on this position | |
286 | ||
287 | ||
288 | AliPHOSGetter::GetInstance()->PHOSGeometry()->GetGlobal(this, gpos, gmat) ; | |
289 | ||
290 | } | |
291 | ||
cf239357 | 292 | |
9f616d61 | 293 | //______________________________________________________________________________ |
294 | void AliPHOSRecPoint::Paint(Option_t *) | |
295 | { | |
b2a60966 | 296 | // Paint this ALiRecPoint as a TMarker with its current attributes |
297 | ||
298 | TVector3 pos(0.,0.,0.) ; | |
299 | GetLocalPosition(pos) ; | |
300 | Coord_t x = pos.X() ; | |
301 | Coord_t y = pos.Z() ; | |
302 | Color_t markercolor = 1 ; | |
303 | Size_t markersize = 1. ; | |
304 | Style_t markerstyle = 5 ; | |
305 | ||
306 | if (!gPad->IsBatch()) { | |
307 | gVirtualX->SetMarkerColor(markercolor) ; | |
308 | gVirtualX->SetMarkerSize (markersize) ; | |
309 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
310 | } | |
311 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
312 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
9f616d61 | 313 | } |