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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 PHOS 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 "TGraph.h" | |
26 | #include "TPaveText.h" | |
27 | #include "TClonesArray.h" | |
28 | #include "TGeoMatrix.h" | |
29 | ||
30 | // --- Standard library --- | |
31 | ||
32 | // --- AliRoot header files --- | |
33 | #include "AliLog.h" | |
34 | #include "AliPHOSLoader.h" | |
35 | #include "AliPHOSGeometry.h" | |
36 | #include "AliPHOSDigit.h" | |
37 | #include "AliPHOSRecPoint.h" | |
38 | #include "AliGeomManager.h" | |
39 | ||
40 | ClassImp(AliPHOSRecPoint) | |
41 | ||
42 | ||
43 | //____________________________________________________________________________ | |
44 | AliPHOSRecPoint::AliPHOSRecPoint() | |
45 | : AliCluster(),fPHOSMod(0), | |
46 | fMulTrack(0),fMaxDigit(100),fMulDigit(0),fMaxTrack(200), | |
47 | fDigitsList(0),fTracksList(0),fAmp(0), | |
48 | fIndexInList(-1), // to be set when the point is already stored | |
49 | fLocPos(0,0,0) | |
50 | { | |
51 | // ctor | |
52 | ||
53 | } | |
54 | ||
55 | //____________________________________________________________________________ | |
56 | AliPHOSRecPoint::AliPHOSRecPoint(const char * ) | |
57 | : AliCluster(),fPHOSMod(0), | |
58 | fMulTrack(0),fMaxDigit(100),fMulDigit(0),fMaxTrack(200), | |
59 | fDigitsList(new Int_t[fMaxDigit]),fTracksList(new Int_t[fMaxTrack]),fAmp(0), | |
60 | fIndexInList(-1), // to be set when the point is already stored | |
61 | fLocPos(0,0,0) | |
62 | ||
63 | { | |
64 | // ctor | |
65 | ||
66 | } | |
67 | //_______________________________________________________________________ | |
68 | AliPHOSRecPoint::~AliPHOSRecPoint() | |
69 | { | |
70 | // dtor | |
71 | ||
72 | delete [] fDigitsList ; | |
73 | delete [] fTracksList ; | |
74 | ||
75 | } | |
76 | //____________________________________________________________________________ | |
77 | AliPHOSRecPoint::AliPHOSRecPoint(const AliPHOSRecPoint &rp) : | |
78 | AliCluster(rp), | |
79 | fPHOSMod(rp.fPHOSMod),fMulTrack(rp.fMulTrack),fMaxDigit(rp.fMaxDigit), | |
80 | fMulDigit(rp.fMulDigit),fMaxTrack(rp.fMaxTrack),fDigitsList(0x0), | |
81 | fTracksList(0x0),fAmp(rp.fAmp),fIndexInList(rp.fIndexInList), | |
82 | fLocPos(rp.fLocPos) | |
83 | { | |
84 | //copy ctor | |
85 | ||
86 | if (rp.fMulDigit>0) fDigitsList = new Int_t[rp.fMulDigit]; | |
87 | for(Int_t i=0; i<fMulDigit; i++) | |
88 | fDigitsList[i] = rp.fDigitsList[i]; | |
89 | ||
90 | if (rp.fMulTrack>0) fTracksList = new Int_t[rp.fMulTrack]; | |
91 | for(Int_t i=0; i<fMulTrack; i++) | |
92 | fTracksList[i] = rp.fTracksList[i]; | |
93 | ||
94 | } | |
95 | //____________________________________________________________________________ | |
96 | AliPHOSRecPoint& AliPHOSRecPoint::operator= (const AliPHOSRecPoint &rp) | |
97 | { | |
98 | if(&rp == this) return *this; | |
99 | ||
100 | fPHOSMod = rp.fPHOSMod; | |
101 | fMulTrack = rp.fMulTrack; | |
102 | fMaxDigit = rp.fMaxDigit; | |
103 | fMulDigit = rp.fMulDigit; | |
104 | fMaxTrack = rp.fMaxTrack; | |
105 | fAmp = rp.fAmp; | |
106 | fIndexInList = rp.fIndexInList; | |
107 | fLocPos = rp.fLocPos; | |
108 | ||
109 | if (fDigitsList != 0) delete [] fDigitsList; | |
110 | if (fMaxDigit>0) { | |
111 | fDigitsList = new Int_t[fMaxDigit]; | |
112 | for(Int_t i=0; i<fMaxDigit; i++) | |
113 | fDigitsList[i] = rp.fDigitsList[i]; | |
114 | } | |
115 | ||
116 | if (fTracksList != 0) delete [] fTracksList; | |
117 | if (fMaxTrack>0) { | |
118 | fTracksList = new Int_t[fMaxTrack]; | |
119 | for(Int_t i=0; i<fMaxTrack; i++) | |
120 | fTracksList[i] = rp.fTracksList[i]; | |
121 | } | |
122 | ||
123 | return *this; | |
124 | } | |
125 | //____________________________________________________________________________ | |
126 | Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py) | |
127 | { | |
128 | // Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker | |
129 | // Compute the closest distance of approach from point px,py to this marker. | |
130 | // The distance is computed in pixels units. | |
131 | ||
132 | TVector3 pos(0.,0.,0.) ; | |
133 | GetLocalPosition( pos) ; | |
134 | Float_t x = pos.X() ; | |
135 | Float_t y = pos.Z() ; | |
136 | const Int_t kMaxDiff = 10; | |
137 | Int_t pxm = gPad->XtoAbsPixel(x); | |
138 | Int_t pym = gPad->YtoAbsPixel(y); | |
139 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
140 | ||
141 | if (dist > kMaxDiff) return 9999; | |
142 | return dist; | |
143 | } | |
144 | ||
145 | //___________________________________________________________________________ | |
146 | void AliPHOSRecPoint::Draw(Option_t *option) | |
147 | { | |
148 | // Draw this AliPHOSRecPoint with its current attributes | |
149 | ||
150 | AppendPad(option); | |
151 | } | |
152 | ||
153 | //______________________________________________________________________________ | |
154 | void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t) | |
155 | { | |
156 | // Execute action corresponding to one event | |
157 | // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
158 | // | |
159 | // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
160 | // and switched off when the mouse button is released. | |
161 | ||
162 | // static Int_t pxold, pyold; | |
163 | ||
164 | static TGraph * digitgraph = 0 ; | |
165 | static TPaveText* clustertext = 0 ; | |
166 | ||
167 | if (!gPad->IsEditable()) return; | |
168 | ||
169 | switch (event) { | |
170 | ||
171 | ||
172 | case kButton1Down:{ | |
173 | AliPHOSDigit * digit ; | |
174 | ||
175 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; | |
176 | ||
177 | Int_t iDigit; | |
178 | Int_t relid[4] ; | |
179 | ||
180 | const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ; | |
181 | Float_t * xi = new Float_t [kMulDigit] ; | |
182 | Float_t * zi = new Float_t [kMulDigit] ; | |
183 | ||
184 | for(iDigit = 0; iDigit < kMulDigit; iDigit++) { | |
185 | Fatal("AliPHOSRecPoint::ExecuteEvent", "-> Something wrong with the code"); | |
186 | digit = 0 ; //dynamic_cast<AliPHOSDigit *>((fDigitsList)[iDigit]); | |
187 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
188 | phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ; | |
189 | } | |
190 | ||
191 | if (!digitgraph) { | |
192 | digitgraph = new TGraph(fMulDigit,xi,zi); | |
193 | digitgraph-> SetMarkerStyle(5) ; | |
194 | digitgraph-> SetMarkerSize(1.) ; | |
195 | digitgraph-> SetMarkerColor(1) ; | |
196 | digitgraph-> Draw("P") ; | |
197 | } | |
198 | if (!clustertext) { | |
199 | ||
200 | TVector3 pos(0.,0.,0.) ; | |
201 | GetLocalPosition(pos) ; | |
202 | clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ; | |
203 | Text_t line1[40] ; | |
204 | Text_t line2[40] ; | |
205 | snprintf(line1,40,"Energy=%1.2f GeV",GetEnergy()) ; | |
206 | snprintf(line2,40,"%d Digits",GetDigitsMultiplicity()) ; | |
207 | clustertext ->AddText(line1) ; | |
208 | clustertext ->AddText(line2) ; | |
209 | clustertext ->Draw(""); | |
210 | } | |
211 | gPad->Update() ; | |
212 | Print("dummy") ; | |
213 | delete[] xi ; | |
214 | delete[] zi ; | |
215 | } | |
216 | ||
217 | break; | |
218 | ||
219 | case kButton1Up: | |
220 | if (digitgraph) { | |
221 | delete digitgraph ; | |
222 | digitgraph = 0 ; | |
223 | } | |
224 | if (clustertext) { | |
225 | delete clustertext ; | |
226 | clustertext = 0 ; | |
227 | } | |
228 | ||
229 | break; | |
230 | ||
231 | } | |
232 | } | |
233 | //____________________________________________________________________________ | |
234 | void AliPHOSRecPoint::EvalAll(TClonesArray * /* digits */) | |
235 | { | |
236 | //evaluates (if necessary) all RecPoint data members | |
237 | ||
238 | } | |
239 | ||
240 | //____________________________________________________________________________ | |
241 | void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit) | |
242 | { | |
243 | // Returns the PHOS module in which the RecPoint is found | |
244 | ||
245 | if( fPHOSMod == 0){ | |
246 | Int_t relid[4] ; | |
247 | ||
248 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance()); | |
249 | ||
250 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
251 | fPHOSMod = relid[0]; | |
252 | } | |
253 | } | |
254 | ||
255 | //____________________________________________________________________________ | |
256 | void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const | |
257 | { | |
258 | // returns the position of the cluster in the global reference system of ALICE | |
259 | // and the uncertainty on this position | |
260 | ||
261 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance()); | |
262 | phosgeom->GetGlobalPHOS(this, gpos, gmat); | |
263 | ||
264 | } | |
265 | ||
266 | //______________________________________________________________________________ | |
267 | void AliPHOSRecPoint::Paint(Option_t *) | |
268 | { | |
269 | // Paint this ALiRecPoint as a TMarker with its current attributes | |
270 | ||
271 | TVector3 pos(0.,0.,0.) ; | |
272 | GetLocalPosition(pos) ; | |
273 | Coord_t x = pos.X() ; | |
274 | Coord_t y = pos.Z() ; | |
275 | Color_t markercolor = 1 ; | |
276 | Size_t markersize = 1. ; | |
277 | Style_t markerstyle = 5 ; | |
278 | ||
279 | if (!gPad->IsBatch()) { | |
280 | gVirtualX->SetMarkerColor(markercolor) ; | |
281 | gVirtualX->SetMarkerSize (markersize) ; | |
282 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
283 | } | |
284 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
285 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
286 | } | |
287 | //______________________________________________________________________________ | |
288 | void AliPHOSRecPoint::GetLocalPosition(TVector3 & pos) const | |
289 | { | |
290 | // returns the position of the cluster in the local reference system | |
291 | // of the sub-detector | |
292 | ||
293 | pos = fLocPos; | |
294 | } | |
295 | ||
296 | //____________________________________________________________________________ | |
297 | void AliPHOSRecPoint::EvalLocal2TrackingCSTransform() | |
298 | { | |
299 | //Evaluates local to "tracking" c.s. transformation (B.P.). | |
300 | //All evaluations should be completed before calling for this function. | |
301 | //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition, | |
302 | //or just ask Jouri Belikov. :) | |
303 | ||
304 | if(IsEmc()) { | |
305 | SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS1,GetPHOSMod()-1)); | |
306 | } | |
307 | else | |
308 | SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS2,GetPHOSMod()-1)); | |
309 | ||
310 | Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()}; | |
311 | Double_t txyz[3] = {0,0,0}; | |
312 | Double_t dy; | |
313 | Double_t crystalShift; | |
314 | ||
315 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); | |
316 | AliPHOSEMCAGeometry* geoEMCA = phosgeom->GetEMCAGeometry(); | |
317 | ||
318 | //Calculate offset to crystal surface. | |
319 | //See fCrystalShift code in AliPHOSGeometry::Init()). | |
320 | ||
321 | const Float_t * inthermo = geoEMCA->GetInnerThermoHalfSize() ; | |
322 | const Float_t * strip = geoEMCA->GetStripHalfSize() ; | |
323 | const Float_t * splate = geoEMCA->GetSupportPlateHalfSize(); | |
324 | const Float_t * crystal = geoEMCA->GetCrystalHalfSize() ; | |
325 | const Float_t * pin = geoEMCA->GetAPDHalfSize() ; | |
326 | const Float_t * preamp = geoEMCA->GetPreampHalfSize() ; | |
327 | crystalShift = -inthermo[1]+strip[1]+splate[1]+crystal[1]-geoEMCA->GetAirGapLed()/2.+pin[1]+preamp[1] ; | |
328 | ||
329 | if(IsEmc()) { | |
330 | dy = crystalShift; | |
331 | lxyz[2] = -lxyz[2]; //Opposite z directions in EMC matrix and local frame!!! | |
332 | } | |
333 | else | |
334 | dy = phosgeom->GetCPVBoxSize(1)/2.; //center of CPV module | |
335 | ||
336 | lxyz[1] = lxyz[1] - dy; | |
337 | ||
338 | const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix(); | |
339 | if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found for VolumeID=%d",GetVolumeId())); | |
340 | ||
341 | tr2loc->MasterToLocal(lxyz,txyz); | |
342 | SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]); | |
343 | ||
344 | if(AliLog::GetGlobalDebugLevel()>0) { | |
345 | TVector3 gpos; TMatrixF gmat; | |
346 | GetGlobalPosition(gpos,gmat); | |
347 | Float_t gxyz[3]; | |
348 | GetGlobalXYZ(gxyz); | |
349 | TString emc; | |
350 | if(IsEmc()) | |
351 | emc="EMC"; | |
352 | else | |
353 | emc="CPV"; | |
354 | AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-->(%.3f,%.3f,%.3f), module %d %s", | |
355 | fLocPos.X(),fLocPos.Y(),fLocPos.Z(), | |
356 | GetX(),GetY(),GetZ(), | |
357 | gpos.X(),gpos.Y(),gpos.Z(), | |
358 | gxyz[0],gxyz[1],gxyz[2],GetPHOSMod(),emc.Data())); | |
359 | } | |
360 | ||
361 | } |