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ab48128d | 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 | **************************************************************************/ | |
15 | /* $Id$ */ | |
16 | //_________________________________________________________________________ | |
17 | // Base Class for EMCAL Reconstructed Points | |
18 | // Why should I put meaningless comments | |
19 | // just to satisfy | |
20 | // the code checker | |
21 | //*-- Author: Gines Martinez (SUBATECH) | |
22 | ||
23 | // --- ROOT system --- | |
24 | #include "TPad.h" | |
25 | #include "TClonesArray.h" | |
26 | ||
27 | // --- Standard library --- | |
ab48128d | 28 | |
29 | // --- AliRoot header files --- | |
30 | ||
31 | #include "AliEMCALGeometry.h" | |
32 | #include "AliEMCALDigit.h" | |
33 | #include "AliEMCALRecPoint.h" | |
34 | #include "AliEMCALGetter.h" | |
35 | ||
36 | ClassImp(AliEMCALRecPoint) | |
37 | ||
38 | ||
39 | //____________________________________________________________________________ | |
40 | AliEMCALRecPoint::AliEMCALRecPoint() | |
41 | : AliRecPoint() | |
42 | { | |
43 | // ctor | |
44 | ||
692088ae | 45 | fMaxTrack = 0 ; |
ab48128d | 46 | fTheta = fPhi = 0. ; |
692088ae | 47 | fEMCALArm = 0; |
88cb7938 | 48 | fPRESection = fECASection = fHCASection = kFALSE ; |
ab48128d | 49 | } |
50 | ||
51 | //____________________________________________________________________________ | |
52 | AliEMCALRecPoint::AliEMCALRecPoint(const char * opt) : AliRecPoint(opt) | |
53 | { | |
54 | // ctor | |
55 | ||
56 | fMaxTrack = 200 ; | |
57 | fTheta = fPhi = 0. ; | |
58 | fEMCALArm = 1; | |
59 | ||
60 | } | |
61 | ||
62 | //____________________________________________________________________________ | |
63 | Int_t AliEMCALRecPoint::DistancetoPrimitive(Int_t px, Int_t py) | |
64 | { | |
65 | // Compute distance from point px,py to a AliEMCALRecPoint 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; | |
80 | } | |
81 | ||
82 | //___________________________________________________________________________ | |
83 | void AliEMCALRecPoint::Draw(Option_t *option) | |
84 | { | |
85 | // Draw this AliEMCALRecPoint with its current attributes | |
86 | ||
87 | AppendPad(option); | |
88 | } | |
89 | ||
90 | //______________________________________________________________________________ | |
9e5d2067 | 91 | void AliEMCALRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t) |
ab48128d | 92 | { |
93 | // Execute action corresponding to one event | |
94 | // This member function is called when a AliEMCALRecPoint is clicked with the locator | |
95 | // | |
96 | // If Left button is clicked on AliEMCALRecPoint, the digits are switched on | |
97 | // and switched off when the mouse button is released. | |
98 | ||
99 | // static Int_t pxold, pyold; | |
100 | ||
101 | static TGraph * digitgraph = 0 ; | |
102 | static TPaveText* clustertext = 0 ; | |
103 | ||
104 | if (!gPad->IsEditable()) return; | |
105 | ||
106 | switch (event) { | |
107 | ||
108 | ||
109 | case kButton1Down:{ | |
110 | AliEMCALDigit * digit ; | |
88cb7938 | 111 | AliEMCALGeometry * emcalgeom = (AliEMCALGetter::Instance())->EMCALGeometry() ; |
ab48128d | 112 | |
113 | Int_t iDigit; | |
114 | Int_t relid[4] ; | |
115 | ||
116 | const Int_t kMulDigit=AliEMCALRecPoint::GetDigitsMultiplicity() ; | |
117 | Float_t * xi = new Float_t [kMulDigit] ; | |
118 | Float_t * zi = new Float_t [kMulDigit] ; | |
119 | ||
120 | for(iDigit = 0; iDigit < kMulDigit; iDigit++) { | |
121 | Fatal("AliEMCALRecPoint::ExecuteEvent", " -> Something wrong with the code"); | |
122 | digit = 0 ; //dynamic_cast<AliEMCALDigit *>((fDigitsList)[iDigit]); | |
123 | emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
124 | emcalgeom->PosInAlice(relid, xi[iDigit], zi[iDigit]) ; | |
125 | } | |
126 | ||
127 | if (!digitgraph) { | |
128 | digitgraph = new TGraph(fMulDigit,xi,zi); | |
129 | digitgraph-> SetMarkerStyle(5) ; | |
130 | digitgraph-> SetMarkerSize(1.) ; | |
131 | digitgraph-> SetMarkerColor(1) ; | |
132 | digitgraph-> Draw("P") ; | |
133 | } | |
134 | if (!clustertext) { | |
135 | ||
136 | TVector3 pos(0.,0.,0.) ; | |
137 | GetLocalPosition(pos) ; | |
138 | clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ; | |
139 | Text_t line1[40] ; | |
140 | Text_t line2[40] ; | |
141 | sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ; | |
142 | sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ; | |
143 | clustertext ->AddText(line1) ; | |
144 | clustertext ->AddText(line2) ; | |
145 | clustertext ->Draw(""); | |
146 | } | |
147 | gPad->Update() ; | |
9e5d2067 | 148 | Print("") ; |
ab48128d | 149 | delete[] xi ; |
150 | delete[] zi ; | |
151 | } | |
152 | ||
153 | break; | |
154 | ||
155 | case kButton1Up: | |
156 | if (digitgraph) { | |
157 | delete digitgraph ; | |
158 | digitgraph = 0 ; | |
159 | } | |
160 | if (clustertext) { | |
161 | delete clustertext ; | |
162 | clustertext = 0 ; | |
163 | } | |
164 | ||
165 | break; | |
166 | ||
167 | } | |
168 | } | |
169 | //____________________________________________________________________________ | |
9e5d2067 | 170 | void AliEMCALRecPoint::EvalAll(Float_t /*logWeight*/,TClonesArray * digits) |
88cb7938 | 171 | { |
ab48128d | 172 | //evaluates (if necessary) all RecPoint data members |
173 | ||
174 | EvalPrimaries(digits) ; | |
175 | } | |
176 | ||
177 | //____________________________________________________________________________ | |
178 | void AliEMCALRecPoint::EvalEMCALArm(AliEMCALDigit * digit) | |
179 | { | |
180 | // Returns the EMCAL module in which the RecPoint is found | |
181 | ||
182 | ||
183 | if( fEMCALArm == 0){ | |
184 | Int_t relid[4] ; | |
185 | ||
88cb7938 | 186 | AliEMCALGeometry * emcalgeom = (AliEMCALGetter::Instance())->EMCALGeometry(); |
ab48128d | 187 | |
188 | emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
189 | fEMCALArm = relid[0]; | |
190 | } | |
191 | } | |
192 | ||
193 | //______________________________________________________________________________ | |
194 | void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits) | |
195 | { | |
196 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint | |
197 | ||
198 | AliEMCALDigit * digit ; | |
199 | Int_t * tempo = new Int_t[fMaxTrack] ; | |
200 | ||
201 | Int_t index ; | |
202 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits | |
203 | digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ; | |
204 | Int_t nprimaries = digit->GetNprimary() ; | |
205 | Int_t * newprimaryarray = new Int_t[nprimaries] ; | |
206 | Int_t ii ; | |
207 | for ( ii = 0 ; ii < nprimaries ; ii++) | |
208 | newprimaryarray[ii] = digit->GetPrimary(ii+1) ; | |
209 | ||
210 | Int_t jndex ; | |
211 | for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit | |
212 | if ( fMulTrack > fMaxTrack ) { | |
213 | fMulTrack = - 1 ; | |
9859bfc0 | 214 | Error("GetNprimaries", "increase fMaxTrack ") ; |
ab48128d | 215 | break ; |
216 | } | |
217 | Int_t newprimary = newprimaryarray[jndex] ; | |
218 | Int_t kndex ; | |
219 | Bool_t already = kFALSE ; | |
220 | for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored | |
221 | if ( newprimary == tempo[kndex] ){ | |
222 | already = kTRUE ; | |
223 | break ; | |
224 | } | |
225 | } // end of check | |
226 | if ( !already) { // store it | |
227 | tempo[fMulTrack] = newprimary ; | |
228 | fMulTrack++ ; | |
229 | } // store it | |
230 | } // all primaries in digit | |
231 | delete newprimaryarray ; | |
232 | } // all digits | |
233 | ||
234 | ||
235 | fTracksList = new Int_t[fMulTrack] ; | |
236 | for(index = 0; index < fMulTrack; index++) | |
237 | fTracksList[index] = tempo[index] ; | |
238 | ||
239 | delete tempo ; | |
240 | ||
241 | } | |
7ee5c5be | 242 | |
ab48128d | 243 | //____________________________________________________________________________ |
244 | void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const | |
245 | { | |
246 | // returns the position of the cluster in the global reference system of ALICE | |
ab48128d | 247 | |
88cb7938 | 248 | AliEMCALGeometry * emcalgeom = AliEMCALGetter::Instance()->EMCALGeometry(); |
ab48128d | 249 | gpos.SetX(fPhi) ; |
88cb7938 | 250 | if ( IsInECA() ) |
251 | gpos.SetY(emcalgeom->GetIP2ECASection()) ; | |
aad8e277 | 252 | else if ( IsInPRE() ) |
253 | gpos.SetY(emcalgeom->GetIP2PRESection()) ; | |
88cb7938 | 254 | else if ( IsInHCA() ) |
255 | gpos.SetY(emcalgeom->GetIP2HCASection()) ; | |
7ee5c5be | 256 | else |
aad8e277 | 257 | Fatal("GetGlobalPosition", "Unexpected tower section") ; |
ab48128d | 258 | gpos.SetZ(fTheta) ; |
ab48128d | 259 | } |
260 | ||
aad8e277 | 261 | //____________________________________________________________________________ |
262 | void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const | |
263 | { | |
264 | // returns the position of the cluster in the global reference system of ALICE | |
265 | ||
266 | lpos.SetX(fLocPos.X()) ; | |
267 | lpos.SetY(fLocPos.Y()) ; | |
268 | lpos.SetZ(fLocPos.Z()) ; | |
269 | } | |
ab48128d | 270 | |
271 | //______________________________________________________________________________ | |
272 | void AliEMCALRecPoint::Paint(Option_t *) | |
273 | { | |
274 | // Paint this ALiRecPoint as a TMarker with its current attributes | |
275 | ||
276 | TVector3 pos(0.,0.,0.) ; | |
277 | GetLocalPosition(pos) ; | |
278 | Coord_t x = pos.X() ; | |
279 | Coord_t y = pos.Z() ; | |
280 | Color_t markercolor = 1 ; | |
281 | Size_t markersize = 1. ; | |
282 | Style_t markerstyle = 5 ; | |
283 | ||
284 | if (!gPad->IsBatch()) { | |
285 | gVirtualX->SetMarkerColor(markercolor) ; | |
286 | gVirtualX->SetMarkerSize (markersize) ; | |
287 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
288 | } | |
289 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
290 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
291 | } |