* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
+/* $Id$ */
//_________________________________________________________________________
-// PHOSRecPoint base class deriving from AliRecPoint
-//*-- Author : Gines MARTINEZ SUBATECH
-//////////////////////////////////////////////////////////////////////////////
+// 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"
// --- Standard library ---
+#include <iostream.h>
+#include <stdio.h>
// --- AliRoot header files ---
#include "AliPHOSGeometry.h"
#include "AliPHOSDigit.h"
#include "AliPHOSRecPoint.h"
+#include "AliPHOSIndexToObject.h"
ClassImp(AliPHOSRecPoint)
AliPHOSRecPoint::AliPHOSRecPoint()
: AliRecPoint()
{
- fGeom = AliPHOSGeometry::GetInstance() ;
+ // ctor
+
+ fGeom = (AliPHOSGeometry*) AliPHOSGeometry::GetInstance() ;
fPHOSMod = 0;
}
//____________________________________________________________________________
-AliPHOSRecPoint::~AliPHOSRecPoint()
+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)
{
- // dtor
+ // 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() {
+ //evaluates (if necessary) all RecPoint data members
+ EvalPHOSMod() ;
+}
//____________________________________________________________________________
-Int_t AliPHOSRecPoint::GetPHOSMod()
-{
- if(fPHOSMod > 0) return fPHOSMod ;
- Int_t relid[4] ;
+void AliPHOSRecPoint::EvalPHOSMod()
+{
+ // Returns the PHOS module in which the RecPoint is found
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ Int_t relid[4] ;
AliPHOSDigit * digit ;
- digit = (AliPHOSDigit *) fDigitsList[0] ;
- AliPHOSGeometry * PHOSGeom = (AliPHOSGeometry *) fGeom ;
+ digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[0]) ) ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
- PHOSGeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
fPHOSMod = relid[0];
- return fPHOSMod ;
+}
+
+//______________________________________________________________________________
+Int_t * AliPHOSRecPoint::GetPrimaries(Int_t & number) const
+{
+ // Constructs the list of primary particles which have contributed to this RecPoint
+
+ AliPHOSDigit * digit ;
+ Int_t index ;
+ Int_t maxcounter = 20 ;
+ Int_t counter = 0 ;
+ Int_t * tempo = new Int_t[maxcounter] ;
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
+ digit = please->GimeDigit( 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 ( counter > maxcounter ) {
+ number = - 1 ;
+ cout << "AliPHOSRecPoint::GetNprimaries ERROR > increase maxcounter " << endl ;
+ break ;
+ }
+ Int_t newprimary = newprimaryarray[jndex] ;
+ Int_t kndex ;
+ Bool_t already = kFALSE ;
+ for ( kndex = 0 ; kndex < counter ; kndex++ ) { //check if not already stored
+ if ( newprimary == tempo[kndex] ){
+ already = kTRUE ;
+ break ;
+ }
+ } // end of check
+ if ( !already) { // store it
+ tempo[counter] = newprimary ;
+ counter++ ;
+ } // store it
+ } // all primaries in digit
+ delete newprimaryarray ;
+ } // all digits
+
+ number = counter ;
+ return 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,"") ;
}