* 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"
+#include "TGraph.h"
+#include "TPaveText.h"
+#include "TClonesArray.h"
// --- Standard library ---
#include "AliPHOSGeometry.h"
#include "AliPHOSDigit.h"
#include "AliPHOSRecPoint.h"
+#include "AliPHOSGetter.h"
ClassImp(AliPHOSRecPoint)
//____________________________________________________________________________
AliPHOSRecPoint::AliPHOSRecPoint()
- : AliRecPoint()
+ : AliRecPoint(),
+ fPHOSMod(0)
{
- fGeom = AliPHOSGeometry::GetInstance() ;
- fPHOSMod = 0;
+ // ctor
+
+ fMaxTrack = 0 ;
}
//____________________________________________________________________________
-AliPHOSRecPoint::~AliPHOSRecPoint()
+AliPHOSRecPoint::AliPHOSRecPoint(const char * opt)
+ : AliRecPoint(opt),
+ fPHOSMod(0)
{
- // dtor
+ // ctor
+
+ fMaxTrack = 200 ;
}
//____________________________________________________________________________
-Int_t AliPHOSRecPoint::GetPHOSMod()
-{
- if(fPHOSMod > 0) return fPHOSMod ;
- Int_t relid[4] ;
+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, Int_t)
+{
+ // 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 ;
- AliPHOSDigit * digit ;
- digit = (AliPHOSDigit *) fDigitsList[0] ;
- AliPHOSGeometry * PHOSGeom = (AliPHOSGeometry *) fGeom ;
+ if (!gPad->IsEditable()) return;
+
+ switch (event) {
+
+
+ case kButton1Down:{
+ AliPHOSDigit * digit ;
+
+// Accessing geometry this way is equivalent to getting from gAlice
+// to have Detector in Folder one have to load gAlice anyway
+// AliPHOSLoader * gime = AliPHOSLoader::GetInstance();
+// AliPHOSGeometry * phosgeom = const_cast<AliPHOSGeometry*>(gime->PHOSGeometry());
+
+ AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry();
+
+ 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++) {
+ Fatal("AliPHOSRecPoint::ExecuteEvent", "-> Something wrong with the code");
+ digit = 0 ; //dynamic_cast<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("dummy") ;
+ delete[] xi ;
+ delete[] zi ;
+ }
+
+break;
+
+ case kButton1Up:
+ if (digitgraph) {
+ delete digitgraph ;
+ digitgraph = 0 ;
+ }
+ if (clustertext) {
+ delete clustertext ;
+ clustertext = 0 ;
+ }
+
+ break;
+
+ }
+}
+//____________________________________________________________________________
+void AliPHOSRecPoint::EvalAll(TClonesArray * digits)
+{
+ //evaluates (if necessary) all RecPoint data members
+
+ EvalPrimaries(digits) ;
+}
- PHOSGeom->AbsToRelNumbering(digit->GetId(), relid) ;
+//____________________________________________________________________________
+void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit)
+{
+ // Returns the PHOS module in which the RecPoint is found
+
+ if( fPHOSMod == 0){
+ Int_t relid[4] ;
+
+ AliPHOSGeometry * phosgeom = (AliPHOSGetter::Instance())->PHOSGeometry();
+
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
fPHOSMod = relid[0];
- return fPHOSMod ;
+ }
}
+
+//______________________________________________________________________________
+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 = dynamic_cast<AliPHOSDigit *>(digits->At( fDigitsList[index] )) ;
+ Int_t nprimaries = digit->GetNprimary() ;
+ if(nprimaries){
+ 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 ;
+ Error("EvalPrimaries", "GetNprimaries ERROR > increase fMaxTrack" ) ;
+ 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
+
+ if(fMulTrack)
+ fTracksList = new Int_t[fMulTrack] ;
+ for(index = 0; index < fMulTrack; index++)
+ fTracksList[index] = tempo[index] ;
+
+ delete [] tempo ;
+
+}
+//____________________________________________________________________________
+void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
+{
+ // returns the position of the cluster in the global reference system of ALICE
+ // and the uncertainty on this position
+ (AliPHOSGetter::Instance())->PHOSGeometry()->GetGlobal(this, gpos, gmat);
+}
+
+
+//______________________________________________________________________________
+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,"") ;
+}
+//______________________________________________________________________________
+