/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
* *
* Permission to use, copy, modify and distribute this software and its *
* documentation strictly for non-commercial purposes is hereby granted *
* without fee, provided that the above copyright notice appears in all *
* copies and that both the copyright notice and this permission notice *
* appear in the supporting documentation. The authors make no claims *
* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
/* $Id$ */
//_________________________________________________________________________
// Base Class for PHOS Reconstructed Points
// Why should I put meaningless comments
// just to satisfy
// the code checker
//*-- Author: Gines Martinez (SUBATECH)
// --- ROOT system ---
#include "TPad.h"
#include "TClonesArray.h"
// --- Standard library ---
#include <iostream.h>
#include <stdio.h>
// --- AliRoot header files ---
#include "AliPHOSGeometry.h"
#include "AliPHOSDigit.h"
#include "AliPHOSRecPoint.h"
ClassImp(AliPHOSRecPoint)
//____________________________________________________________________________
AliPHOSRecPoint::AliPHOSRecPoint()
: AliRecPoint()
{
// ctor
fGeom = (AliPHOSGeometry*) AliPHOSGeometry::GetInstance() ;
fMaxTrack = 20 ;
fPHOSMod = 0;
}
//____________________________________________________________________________
Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
{
// Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker
// Compute the closest distance of approach from point px,py to this marker.
// The distance is computed in pixels units.
TVector3 pos(0.,0.,0.) ;
GetLocalPosition( pos) ;
Float_t x = pos.X() ;
Float_t y = pos.Z() ;
const Int_t kMaxDiff = 10;
Int_t pxm = gPad->XtoAbsPixel(x);
Int_t pym = gPad->YtoAbsPixel(y);
Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym);
if (dist > kMaxDiff) return 9999;
return dist;
}
//___________________________________________________________________________
void AliPHOSRecPoint::Draw(Option_t *option)
{
// Draw this AliPHOSRecPoint with its current attributes
AppendPad(option);
}
//______________________________________________________________________________
void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py)
{
// Execute action corresponding to one event
// This member function is called when a AliPHOSRecPoint is clicked with the locator
//
// If Left button is clicked on AliPHOSRecPoint, the digits are switched on
// and switched off when the mouse button is released.
// static Int_t pxold, pyold;
static TGraph * digitgraph = 0 ;
static TPaveText* clustertext = 0 ;
if (!gPad->IsEditable()) return;
switch (event) {
case kButton1Down:{
AliPHOSDigit * digit ;
AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
Int_t iDigit;
Int_t relid[4] ;
const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ;
Float_t * xi = new Float_t [kMulDigit] ;
Float_t * zi = new Float_t [kMulDigit] ;
for(iDigit = 0; iDigit < kMulDigit; iDigit++) {
digit = (AliPHOSDigit *) fDigitsList[iDigit];
phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ;
}
if (!digitgraph) {
digitgraph = new TGraph(fMulDigit,xi,zi);
digitgraph-> SetMarkerStyle(5) ;
digitgraph-> SetMarkerSize(1.) ;
digitgraph-> SetMarkerColor(1) ;
digitgraph-> Draw("P") ;
}
if (!clustertext) {
TVector3 pos(0.,0.,0.) ;
GetLocalPosition(pos) ;
clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ;
Text_t line1[40] ;
Text_t line2[40] ;
sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ;
sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ;
clustertext ->AddText(line1) ;
clustertext ->AddText(line2) ;
clustertext ->Draw("");
}
gPad->Update() ;
Print() ;
delete[] xi ;
delete[] zi ;
}
break;
case kButton1Up:
if (digitgraph) {
delete digitgraph ;
digitgraph = 0 ;
}
if (clustertext) {
delete clustertext ;
clustertext = 0 ;
}
break;
}
}
//____________________________________________________________________________
void AliPHOSRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits) {
//evaluates (if necessary) all RecPoint data members
EvalPrimaries(digits) ;
}
//____________________________________________________________________________
void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit)
{
// Returns the PHOS module in which the RecPoint is found
if( fPHOSMod == 0){
Int_t relid[4] ;
AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
fPHOSMod = relid[0];
}
}
//______________________________________________________________________________
void AliPHOSRecPoint::EvalPrimaries(TClonesArray * digits)
{
// Constructs the list of primary particles (tracks) which have contributed to this RecPoint
AliPHOSDigit * digit ;
Int_t * tempo = new Int_t[fMaxTrack] ;
Int_t index ;
for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
digit = (AliPHOSDigit *) digits->At( fDigitsList[index] ) ;
Int_t nprimaries = digit->GetNprimary() ;
Int_t * newprimaryarray = new Int_t[nprimaries] ;
Int_t ii ;
for ( ii = 0 ; ii < nprimaries ; ii++)
newprimaryarray[ii] = digit->GetPrimary(ii+1) ;
Int_t jndex ;
for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
if ( fMulTrack > fMaxTrack ) {
fMulTrack = - 1 ;
cout << "AliPHOSRecPoint::GetNprimaries ERROR > increase fMaxTrack " << endl ;
break ;
}
Int_t newprimary = newprimaryarray[jndex] ;
Int_t kndex ;
Bool_t already = kFALSE ;
for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored
if ( newprimary == tempo[kndex] ){
already = kTRUE ;
break ;
}
} // end of check
if ( !already) { // store it
tempo[fMulTrack] = newprimary ;
fMulTrack++ ;
} // store it
} // all primaries in digit
delete newprimaryarray ;
} // all digits
fTracksList = new Int_t[fMulTrack] ;
for(index = 0; index < fMulTrack; index++)
fTracksList[index] = tempo[index] ;
delete tempo ;
}
//______________________________________________________________________________
void AliPHOSRecPoint::Paint(Option_t *)
{
// Paint this ALiRecPoint as a TMarker with its current attributes
TVector3 pos(0.,0.,0.) ;
GetLocalPosition(pos) ;
Coord_t x = pos.X() ;
Coord_t y = pos.Z() ;
Color_t markercolor = 1 ;
Size_t markersize = 1. ;
Style_t markerstyle = 5 ;
if (!gPad->IsBatch()) {
gVirtualX->SetMarkerColor(markercolor) ;
gVirtualX->SetMarkerSize (markersize) ;
gVirtualX->SetMarkerStyle(markerstyle) ;
}
gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
gPad->PaintPolyMarker(1,&x,&y,"") ;
}
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