1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 //_________________________________________________________________________
17 // Base Class for PHOS Reconstructed Points
18 // Why should I put meaningless comments
21 //-- Author: Gines Martinez (SUBATECH)
23 // --- ROOT system ---
26 #include "TPaveText.h"
27 #include "TClonesArray.h"
28 #include "TGeoMatrix.h"
30 // --- Standard library ---
32 // --- AliRoot header files ---
34 #include "AliPHOSLoader.h"
35 #include "AliPHOSGeometry.h"
36 #include "AliPHOSDigit.h"
37 #include "AliPHOSRecPoint.h"
38 #include "AliGeomManager.h"
40 ClassImp(AliPHOSRecPoint)
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
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
67 //_______________________________________________________________________
68 AliPHOSRecPoint::~AliPHOSRecPoint()
72 delete [] fDigitsList ;
73 delete [] fTracksList ;
76 //____________________________________________________________________________
77 AliPHOSRecPoint::AliPHOSRecPoint(const AliPHOSRecPoint &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),
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];
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];
95 //____________________________________________________________________________
96 AliPHOSRecPoint& AliPHOSRecPoint::operator= (const AliPHOSRecPoint &rp)
98 if(&rp == this) return *this;
100 fPHOSMod = rp.fPHOSMod;
101 fMulTrack = rp.fMulTrack;
102 fMaxDigit = rp.fMaxDigit;
103 fMulDigit = rp.fMulDigit;
104 fMaxTrack = rp.fMaxTrack;
106 fIndexInList = rp.fIndexInList;
107 fLocPos = rp.fLocPos;
109 if (fDigitsList != 0) delete [] fDigitsList;
111 fDigitsList = new Int_t[fMaxDigit];
112 for(Int_t i=0; i<fMaxDigit; i++)
113 fDigitsList[i] = rp.fDigitsList[i];
116 if (fTracksList != 0) delete [] fTracksList;
118 fTracksList = new Int_t[fMaxTrack];
119 for(Int_t i=0; i<fMaxTrack; i++)
120 fTracksList[i] = rp.fTracksList[i];
125 //____________________________________________________________________________
126 Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
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.
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);
141 if (dist > kMaxDiff) return 9999;
145 //___________________________________________________________________________
146 void AliPHOSRecPoint::Draw(Option_t *option)
148 // Draw this AliPHOSRecPoint with its current attributes
153 //______________________________________________________________________________
154 void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t)
156 // Execute action corresponding to one event
157 // This member function is called when a AliPHOSRecPoint is clicked with the locator
159 // If Left button is clicked on AliPHOSRecPoint, the digits are switched on
160 // and switched off when the mouse button is released.
162 // static Int_t pxold, pyold;
164 static TGraph * digitgraph = 0 ;
165 static TPaveText* clustertext = 0 ;
167 if (!gPad->IsEditable()) return;
173 AliPHOSDigit * digit ;
175 AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ;
180 const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ;
181 Float_t * xi = new Float_t [kMulDigit] ;
182 Float_t * zi = new Float_t [kMulDigit] ;
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]) ;
192 digitgraph = new TGraph(fMulDigit,xi,zi);
193 digitgraph-> SetMarkerStyle(5) ;
194 digitgraph-> SetMarkerSize(1.) ;
195 digitgraph-> SetMarkerColor(1) ;
196 digitgraph-> Draw("P") ;
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,"") ;
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("");
233 //____________________________________________________________________________
234 void AliPHOSRecPoint::EvalAll(TClonesArray * /* digits */)
236 //evaluates (if necessary) all RecPoint data members
240 //____________________________________________________________________________
241 void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit)
243 // Returns the PHOS module in which the RecPoint is found
248 AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());
250 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
255 //____________________________________________________________________________
256 void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
258 // returns the position of the cluster in the global reference system of ALICE
259 // and the uncertainty on this position
261 AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());
262 phosgeom->GetGlobalPHOS(this, gpos, gmat);
266 //______________________________________________________________________________
267 void AliPHOSRecPoint::Paint(Option_t *)
269 // Paint this ALiRecPoint as a TMarker with its current attributes
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 ;
279 if (!gPad->IsBatch()) {
280 gVirtualX->SetMarkerColor(markercolor) ;
281 gVirtualX->SetMarkerSize (markersize) ;
282 gVirtualX->SetMarkerStyle(markerstyle) ;
284 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
285 gPad->PaintPolyMarker(1,&x,&y,"") ;
287 //______________________________________________________________________________
288 void AliPHOSRecPoint::GetLocalPosition(TVector3 & pos) const
290 // returns the position of the cluster in the local reference system
291 // of the sub-detector
296 //____________________________________________________________________________
297 void AliPHOSRecPoint::EvalLocal2TrackingCSTransform()
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. :)
305 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS1,GetPHOSMod()-1));
308 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS2,GetPHOSMod()-1));
310 Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
311 Double_t txyz[3] = {0,0,0};
313 Double_t crystalShift;
315 AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance();
316 AliPHOSEMCAGeometry* geoEMCA = phosgeom->GetEMCAGeometry();
318 //Calculate offset to crystal surface.
319 //See fCrystalShift code in AliPHOSGeometry::Init()).
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] ;
331 lxyz[2] = -lxyz[2]; //Opposite z directions in EMC matrix and local frame!!!
334 dy = phosgeom->GetCPVBoxSize(1)/2.; //center of CPV module
336 lxyz[1] = lxyz[1] - dy;
338 const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
339 if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found for VolumeID=%d",GetVolumeId()));
341 tr2loc->MasterToLocal(lxyz,txyz);
342 SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
344 if(AliLog::GetGlobalDebugLevel()>0) {
345 TVector3 gpos; TMatrixF gmat;
346 GetGlobalPosition(gpos,gmat);
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()));