Current solution for display events.

diff --git a/RICH/AliRICHDisplFast.cxx b/RICH/AliRICHDisplFast.cxx
new file mode 100644 (file)
index 0000000..f8adbd8
--- /dev/null
+++ b/RICH/AliRICHDisplFast.cxx
@@ -0,0 +1,169 @@
+/**************************************************************************
+ * 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.                  *
+ **************************************************************************/
+
+#include "AliRICH.h"
+#include "AliRICHDisplFast.h"
+#include "AliRICHParam.h"
+#include <AliLoader.h>
+#include <Riostream.h>
+#include <TCanvas.h>
+#include <TParticle.h>
+#include <TStyle.h>
+#include <TF1.h>
+#include <TH2.h>
+#include <TMath.h>
+#include <TRandom.h>
+#include <TText.h>
+
+#define NPointsOfRing 201
+
+// Geometry of the RICH at Star...
+
+static const Int_t nPadX      = AliRICHParam::NpadsY();
+static const Int_t nPadY      = AliRICHParam::NpadsX();
+static const Float_t PadSizeX = AliRICHParam::PadSizeY();
+static const Float_t PadSizeY = AliRICHParam::PadSizeX();
+static const Float_t spacer   = AliRICHParam::DeadZone();
+static const Float_t degree = 180/3.1415926535;
+
+static const Float_t pi = TMath::Pi();
+
+static const Float_t RadiatorWidth = AliRICHParam::FreonThickness();
+static const Float_t QuartzWidth   = AliRICHParam::QuartzThickness();
+static const Float_t GapWidth      = AliRICHParam::RadiatorToPads();
+
+static const Float_t Xmin = -AliRICHParam::PcSizeY()/2.;
+static const Float_t Xmax =  AliRICHParam::PcSizeY()/2.;
+static const Float_t Ymin = -AliRICHParam::PcSizeX()/2.;
+static const Float_t Ymax =  AliRICHParam::PcSizeX()/2.;
+
+
+AliRICHDisplFast::AliRICHDisplFast()
+{
+}
+
+void AliRICHDisplFast::Display()
+{
+
+  TText *text;
+
+  TH2F *h2_disp   = new TH2F("h2_disp"  ,"STAR-RICH Event Display",165,Xmin,Xmax,100,Ymin,Ymax);
+  TH2F *gHitsH2   = new TH2F("gHitsH2"  ,"STAR-RICH Event Display",165,Xmin,Xmax,100,Ymin,Ymax);
+  TH2F *h2_dispad = new TH2F("h2_dispad","STAR-RICH Event Display",161,0.,161.,145,0.,145.);
+
+  TCanvas *Display = new TCanvas("Display","Star Display",0,0,800,800);
+    
+  // Display event...
+
+  gStyle->SetPalette(1,0);
+    
+  AliRICH *pRich = (AliRICH*)gAlice->GetDetector("RICH");
+  pRich->GetLoader()->LoadDigits();
+  pRich->GetLoader()->TreeD()->GetEntry(0);
+  pRich->GetLoader()->LoadHits();
+
+  Int_t nPrimaries = (Int_t)pRich->GetLoader()->TreeH()->GetEntries();
+  TObjArray Hits[nPrimaries];
+  
+  for(Int_t i=0;i<nPrimaries;i++) {
+    pRich->GetLoader()->TreeH()->GetEntry(i);
+    Int_t nHits = pRich->Hits()->GetEntries();
+    for(Int_t k=0;k<nHits;k++) {
+       Hits[i].Add(pRich->Hits()->At(k));
+    }
+  }
+           
+  for(Int_t iChamber=1;iChamber<=7;iChamber++) {
+    
+     Int_t nDigits = pRich->DigitsOld(iChamber)->GetEntries();
+   
+     Display->ToggleEventStatus();
+     Display->Modified();
+     
+     text = new TText(0,0,"");
+     text->SetTextFont(61);
+     text->SetTextSize(0.03);
+     text->SetTextAlign(22);                                                       
+      
+//     Display->Resize();
+
+     h2_disp->Reset();
+     gHitsH2->Reset();
+//     h2_dispad->Reset();
+
+     Float_t xpad,ypad;
+     
+// loop for Digits...           
+     
+     for(Int_t j=0;j<nDigits;j++)
+       {
+          AliRICHDigit *pDigit = (AliRICHDigit*)pRich->DigitsOld(iChamber)->At(j);
+         AliRICHParam::Pad2Local(pDigit->PadX(),pDigit->PadY(),xpad,ypad);
+          Float_t charge = (Float_t)pDigit->Signal();
+         h2_disp->Fill(xpad,ypad,charge);
+          h2_dispad->Fill(pDigit->PadX(),pDigit->PadY(),pDigit->Signal());
+          pDigit->Print();
+       }
+
+      cout << " -----------------" << endl;
+      
+      for(Int_t i=0;i<nPrimaries;i++) {
+        pRich->GetLoader()->TreeH()->GetEntry(i);
+        Int_t nHits = pRich->Hits()->GetEntries();
+
+        for(Int_t j=0;j<nHits;j++) {
+        
+          AliRICHhit *pHit = (AliRICHhit*)Hits[i].At(j);
+          cout << " chamber " << iChamber << " hit n. " << j << " ch " << pHit->Chamber() << endl;
+          if(pHit->C()==iChamber) {
+            TVector3 xyzhit(pHit->X(),pHit->Y(),pHit->Z());
+            TVector3 hitlocal = pRich->C(iChamber)->Global2Local(xyzhit);
+            gHitsH2->Fill(hitlocal.X(),hitlocal.Y());
+//            pHit->Print();
+          }
+         }         
+       }
+             
+      // end loop
+                    
+
+      h2_disp->SetMaximum(200);
+      h2_disp->SetStats(0);
+      h2_disp->Draw("colz");
+      h2_disp->SetTitle(Form("Chamber %2i",iChamber));
+
+/*      
+      h2_dispad->SetTitle(Form("Chamber %2i",iChamber));
+      h2_dispad->SetMaximum(200);
+      h2_dispad->SetStats(0);
+      h2_dispad->Draw("colz");
+*/
+      Display->Update();
+      Display->Modified();
+     
+      getchar();
+      gHitsH2->SetTitle(Form("Chamber %2i",iChamber));
+      gHitsH2->SetMarkerColor(kBlue);
+      gHitsH2->SetMarkerStyle(29);
+      gHitsH2->SetMarkerSize(0.4);
+      gHitsH2->Draw("same");
+//      gHitsH2->Draw();
+      Display->Update();
+      Display->Modified();
+       
+      getchar();
+    }
+}
+

diff --git a/RICH/AliRICHDisplFast.h b/RICH/AliRICHDisplFast.h
new file mode 100644 (file)
index 0000000..a6de097
--- /dev/null
+++ b/RICH/AliRICHDisplFast.h
@@ -0,0 +1,25 @@
+#ifndef AliRICHDisplFast_h
+#define AliRICHDisplFast_h
+
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
+
+#include <TTask.h>
+#include "AliRICH.h"
+#include <AliRun.h>
+
+class AliRICH;
+
+class AliRICHDisplFast : public TTask {
+   public :
+ 
+   AliRICHDisplFast();
+   ~AliRICHDisplFast(){;}
+   void Display();
+
+ClassDef(AliRICHDisplFast,0)
+
+};
+    
+#endif // #ifdef AliRICHDisplFast_cxx
+