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 // A RecPoint (cluster) in the PPSD
18 // A PPSD RecPoint ends up to be a single digit
19 // Why should I put meaningless comments
23 //*-- Yves Schutz (SUBATECH)
25 // --- ROOT system ---
29 // --- Standard library ---
33 // --- AliRoot header files ---
35 #include "AliPHOSGeometry.h"
36 #include "AliPHOSPpsdRecPoint.h"
37 #include "AliPHOSCpvRecPoint.h"
39 #include "AliPHOSGetter.h"
41 ClassImp(AliPHOSPpsdRecPoint)
43 //____________________________________________________________________________
44 AliPHOSPpsdRecPoint::AliPHOSPpsdRecPoint(void)
49 fLocPos.SetX(1000000.) ; //Local position should be evaluated
52 //____________________________________________________________________________
53 void AliPHOSPpsdRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy)
55 // adds a digit to the digits list
56 // and accumulates the total amplitude and the multiplicity
59 if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists
61 int * tempo = new ( int[fMaxDigit] ) ;
64 for ( index = 0 ; index < fMulDigit ; index++ )
65 tempo[index] = fDigitsList[index] ;
67 delete [] fDigitsList ;
68 fDigitsList = new ( int[fMaxDigit] ) ;
70 for ( index = 0 ; index < fMulDigit ; index++ )
71 fDigitsList[index] = tempo[index] ;
76 fDigitsList[fMulDigit++] = digit.GetIndexInList() ;
81 //____________________________________________________________________________
82 Int_t AliPHOSPpsdRecPoint::Compare(const TObject * obj) const
84 // Compares according to the position
85 Float_t delta = 1 ; //width of the "Sorting row"
89 if( (strcmp(obj->ClassName() , "AliPHOSPpsdRecPoint" )) == 0) // PPSD Rec Point
91 AliPHOSPpsdRecPoint * clu = (AliPHOSPpsdRecPoint *)obj ;
93 Float_t x1 , z1 ; //This rec point
102 if(GetUp()) // upper layer
107 if(clu->GetUp()) // upper layer
113 GetLocalPosition(posloc) ;
116 phosmod1 = GetPHOSMod();
117 clu->GetLocalPosition(posloc) ;
120 phosmod2 = clu->GetPHOSMod();
122 if(phosmod1 == phosmod2 ) {
125 Int_t rowdif = (Int_t)TMath::Ceil(x1/delta) - (Int_t) TMath::Ceil(x2/delta) ;
139 if(up1 < up2 ) // Upper level first (up = True or False, True > False)
145 } // if phosmod1 == phosmod2
149 if(phosmod1 < phosmod2 )
160 AliPHOSCpvRecPoint * clu = (AliPHOSCpvRecPoint *) obj ;
161 if(GetPHOSMod() < clu->GetPHOSMod() )
171 //____________________________________________________________________________
172 void AliPHOSPpsdRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits )
174 // calculates all the characteristics of the RecPoint
175 AliPHOSRecPoint::EvalAll(logWeight,digits) ;
176 EvalLocalPosition(logWeight,digits) ;
180 //____________________________________________________________________________
181 void AliPHOSPpsdRecPoint::EvalLocalPosition(Float_t logWeight,TClonesArray * digits )
183 // Calculates the local position in the PHOS-PPSD-module coordinates
190 AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
191 AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
193 AliPHOSDigit * digit ;
196 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
197 digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ;
201 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
202 phosgeom->RelPosInModule(relid, xi, zi);
216 //____________________________________________________________________________
217 void AliPHOSPpsdRecPoint::EvalUp(TClonesArray * digits)
219 // Are we in the uper PPSD module ?
223 AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
224 AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
227 AliPHOSDigit *digit = (AliPHOSDigit *) digits->At(fDigitsList[0]) ;
229 phosgeom->AbsToRelNumbering(digit->GetId(),relid);
231 if((Int_t)TMath::Ceil((Float_t)relid[1]/
232 (phosgeom->GetNumberOfModulesPhi()*phosgeom->GetNumberOfModulesZ())-0.0001 ) > 1)
238 //______________________________________________________________________________
239 void AliPHOSPpsdRecPoint::Paint(Option_t *)
241 //*-*-*-*-*-*-*-*-*-*-*Paint this ALiRecPoint as a TMarker with its current attributes*-*-*-*-*-*-*
242 //*-* =============================================
244 TVector3 pos(0.,0.,0.) ;
245 GetLocalPosition(pos) ;
246 Coord_t x = pos.X() ;
247 Coord_t y = pos.Z() ;
248 Color_t markercolor = 1 ;
249 Size_t markersize = 1. ;
250 Style_t markerstyle = 2 ;
254 if (!gPad->IsBatch()) {
255 gVirtualX->SetMarkerColor(markercolor);
256 gVirtualX->SetMarkerSize (markersize);
257 gVirtualX->SetMarkerStyle(markerstyle);
259 gPad->SetAttMarkerPS(markercolor,markerstyle,markersize);
260 gPad->PaintPolyMarker(1,&x,&y,"");
265 //____________________________________________________________________________
266 void AliPHOSPpsdRecPoint::Print(Option_t * option)
268 // Print the digits information
270 cout << "AliPHOSPpsdRecPoint: " << endl ;
273 cout << " Digit{s} # " ;
274 for(iDigit=0; iDigit<fMulDigit; iDigit++)
275 cout << fDigitsList[iDigit] << " " ;
278 cout << " Multiplicity = " << fMulDigit << endl ;
279 cout << " Stored at position " << fIndexInList << endl ;