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
49 fLocPos(0,0,0),fLocPosM(0)
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),fLocPosM(new TMatrixF(3,3))
67 //_______________________________________________________________________
68 AliPHOSRecPoint::~AliPHOSRecPoint()
73 delete [] fDigitsList ;
74 delete [] fTracksList ;
77 //____________________________________________________________________________
78 AliPHOSRecPoint::AliPHOSRecPoint(const AliPHOSRecPoint &rp) :
80 fPHOSMod(rp.fPHOSMod),fMulTrack(rp.fMulTrack),fMaxDigit(rp.fMaxDigit),
81 fMulDigit(rp.fMulDigit),fMaxTrack(rp.fMaxTrack),fDigitsList(0x0),
82 fTracksList(0x0),fAmp(rp.fAmp),fIndexInList(rp.fIndexInList),
83 fLocPos(rp.fLocPos),fLocPosM(rp.fLocPosM)
87 if (rp.fMulDigit>0) fDigitsList = new Int_t[rp.fMulDigit];
88 for(Int_t i=0; i<fMulDigit; i++)
89 fDigitsList[i] = rp.fDigitsList[i];
91 if (rp.fMulTrack>0) fTracksList = new Int_t[rp.fMulTrack];
92 for(Int_t i=0; i<fMulTrack; i++)
93 fTracksList[i] = rp.fTracksList[i];
96 //____________________________________________________________________________
97 AliPHOSRecPoint& AliPHOSRecPoint::operator= (const AliPHOSRecPoint &rp)
99 if(&rp == this) return *this;
101 fPHOSMod = rp.fPHOSMod;
102 fMulTrack = rp.fMulTrack;
103 fMaxDigit = rp.fMaxDigit;
104 fMulDigit = rp.fMulDigit;
105 fMaxTrack = rp.fMaxTrack;
107 fIndexInList = rp.fIndexInList;
108 fLocPos = rp.fLocPos;
109 fLocPosM = rp.fLocPosM;
111 for(Int_t i=0; i<fMaxDigit; i++)
112 fDigitsList[i] = rp.fDigitsList[i];
114 for(Int_t i=0; i<fMaxTrack; i++)
115 fTracksList[i] = rp.fTracksList[i];
119 //____________________________________________________________________________
120 Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
122 // Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker
123 // Compute the closest distance of approach from point px,py to this marker.
124 // The distance is computed in pixels units.
126 TVector3 pos(0.,0.,0.) ;
127 GetLocalPosition( pos) ;
128 Float_t x = pos.X() ;
129 Float_t y = pos.Z() ;
130 const Int_t kMaxDiff = 10;
131 Int_t pxm = gPad->XtoAbsPixel(x);
132 Int_t pym = gPad->YtoAbsPixel(y);
133 Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym);
135 if (dist > kMaxDiff) return 9999;
139 //___________________________________________________________________________
140 void AliPHOSRecPoint::Draw(Option_t *option)
142 // Draw this AliPHOSRecPoint with its current attributes
147 //______________________________________________________________________________
148 void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t)
150 // Execute action corresponding to one event
151 // This member function is called when a AliPHOSRecPoint is clicked with the locator
153 // If Left button is clicked on AliPHOSRecPoint, the digits are switched on
154 // and switched off when the mouse button is released.
156 // static Int_t pxold, pyold;
158 static TGraph * digitgraph = 0 ;
159 static TPaveText* clustertext = 0 ;
161 if (!gPad->IsEditable()) return;
167 AliPHOSDigit * digit ;
169 AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry();
174 const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ;
175 Float_t * xi = new Float_t [kMulDigit] ;
176 Float_t * zi = new Float_t [kMulDigit] ;
178 for(iDigit = 0; iDigit < kMulDigit; iDigit++) {
179 Fatal("AliPHOSRecPoint::ExecuteEvent", "-> Something wrong with the code");
180 digit = 0 ; //dynamic_cast<AliPHOSDigit *>((fDigitsList)[iDigit]);
181 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
182 phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ;
186 digitgraph = new TGraph(fMulDigit,xi,zi);
187 digitgraph-> SetMarkerStyle(5) ;
188 digitgraph-> SetMarkerSize(1.) ;
189 digitgraph-> SetMarkerColor(1) ;
190 digitgraph-> Draw("P") ;
194 TVector3 pos(0.,0.,0.) ;
195 GetLocalPosition(pos) ;
196 clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ;
199 sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ;
200 sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ;
201 clustertext ->AddText(line1) ;
202 clustertext ->AddText(line2) ;
203 clustertext ->Draw("");
227 //____________________________________________________________________________
228 void AliPHOSRecPoint::EvalAll(TClonesArray * /* digits */)
230 //evaluates (if necessary) all RecPoint data members
234 //____________________________________________________________________________
235 void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit)
237 // Returns the PHOS module in which the RecPoint is found
242 AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());
244 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
249 //____________________________________________________________________________
250 void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
252 // returns the position of the cluster in the global reference system of ALICE
253 // and the uncertainty on this position
255 AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());
256 phosgeom->GetGlobalPHOS(this, gpos, gmat);
260 //______________________________________________________________________________
261 void AliPHOSRecPoint::Paint(Option_t *)
263 // Paint this ALiRecPoint as a TMarker with its current attributes
265 TVector3 pos(0.,0.,0.) ;
266 GetLocalPosition(pos) ;
267 Coord_t x = pos.X() ;
268 Coord_t y = pos.Z() ;
269 Color_t markercolor = 1 ;
270 Size_t markersize = 1. ;
271 Style_t markerstyle = 5 ;
273 if (!gPad->IsBatch()) {
274 gVirtualX->SetMarkerColor(markercolor) ;
275 gVirtualX->SetMarkerSize (markersize) ;
276 gVirtualX->SetMarkerStyle(markerstyle) ;
278 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
279 gPad->PaintPolyMarker(1,&x,&y,"") ;
281 //______________________________________________________________________________
282 void AliPHOSRecPoint::GetLocalPosition(TVector3 & pos) const
284 // returns the position of the cluster in the local reference system
285 // of the sub-detector
290 //____________________________________________________________________________
291 void AliPHOSRecPoint::EvalLocal2TrackingCSTransform()
293 //Evaluates local to "tracking" c.s. transformation (B.P.).
294 //All evaluations should be completed before calling for this function.
295 //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
296 //or just ask Jouri Belikov. :)
299 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS1,GetPHOSMod()-1));
302 SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS2,GetPHOSMod()-1));
304 Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
305 Double_t txyz[3] = {0,0,0};
307 Double_t crystalShift;
309 AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance();
310 AliPHOSEMCAGeometry* geoEMCA = phosgeom->GetEMCAGeometry();
312 //Calculate offset to crystal surface.
313 //See fCrystalShift code in AliPHOSGeometry::Init()).
315 Float_t * inthermo = geoEMCA->GetInnerThermoHalfSize() ;
316 Float_t * strip = geoEMCA->GetStripHalfSize() ;
317 Float_t* splate = geoEMCA->GetSupportPlateHalfSize();
318 Float_t * crystal = geoEMCA->GetCrystalHalfSize() ;
319 Float_t * pin = geoEMCA->GetAPDHalfSize() ;
320 Float_t * preamp = geoEMCA->GetPreampHalfSize() ;
321 crystalShift = -inthermo[1]+strip[1]+splate[1]+crystal[1]-geoEMCA->GetAirGapLed()/2.+pin[1]+preamp[1] ;
325 lxyz[2] = -lxyz[2]; //Opposite z directions in EMC matrix and local frame!!!
328 dy = phosgeom->GetCPVBoxSize(1)/2.; //center of CPV module
330 lxyz[1] = lxyz[1] - dy;
332 const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
333 if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found."));
335 tr2loc->MasterToLocal(lxyz,txyz);
336 SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
338 if(AliLog::GetGlobalDebugLevel()>0) {
339 TVector3 gpos; TMatrixF gmat;
340 GetGlobalPosition(gpos,gmat);
348 AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-->(%.3f,%.3f,%.3f), module %d %s",
349 fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
350 GetX(),GetY(),GetZ(),
351 gpos.X(),gpos.Y(),gpos.Z(),
352 gxyz[0],gxyz[1],gxyz[2],GetPHOSMod(),emc.Data()));