Merger macro.

diff --git a/RICH/RICHMerger.C b/RICH/RICHMerger.C
new file mode 100644 (file)
index 0000000..5a44993
--- /dev/null
+++ b/RICH/RICHMerger.C
@@ -0,0 +1,125 @@
+// 0 = all
+// 1 = not pion
+// 2 = not kaon
+// 3 = not proton
+// 4 = not muon
+// 5 = not electron
+// 6 = not neutron
+
+
+Int_t particle_type=0;
+
+#include "iostream.h"
+
+void RICHMerger (Int_t evNumber1=0,Int_t evNumber2=0) 
+{
+/////////////////////////////////////////////////////////////////////////
+//   This macro is a small example of a ROOT macro
+//   illustrating how to read the output of GALICE
+//   and do some analysis.
+//   
+/////////////////////////////////////////////////////////////////////////
+
+// Dynamically link some shared libs
+
+   
+  if (gClassTable->GetID("AliRun") < 0) {
+      gROOT->LoadMacro("loadlibs.C");
+      loadlibs();
+  }else {
+    delete gAlice;
+    gAlice = 0;
+  }
+  
+  galice=0;
+
+// Connect the Root Galice file containing Geometry, Kine and Hits
+
+   TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject("galice.root");
+   if (file) file->Close(); 
+   file = new TFile("galice.root","UPDATE");
+//   file->ls();
+// Get AliRun object from file or create it if not on file
+
+   
+
+   if (gClassTable->GetID("AliRun") < 0) {
+       gROOT->LoadMacro("loadlibs.C");
+       loadlibs();
+    }
+
+
+   if (!gAlice) {
+       gAlice = (AliRun*)file->Get("gAlice");
+       if (gAlice) printf("AliRun object found on file\n");
+       if (!gAlice) gAlice = new AliRun("gAlice","Alice test program");
+   } else {
+      delete gAlice;
+      gAlice = (AliRun*)file->Get("gAlice");
+       if (gAlice) printf("AliRun object found on file\n");
+       if (!gAlice) gAlice = new AliRun("gAlice","Alice test program");
+    }
+      
+   AliRICH *RICH  = (AliRICH*) gAlice->GetDetector("RICH");
+
+   AliRICHChamber*       iChamber;
+   
+   printf("Generating tresholds...\n");
+
+   for(Int_t i=0;i<7;i++)
+     {
+       iChamber = &(RICH->Chamber(i));
+       iChamber->GenerateTresholds();
+     }
+   
+   // creation
+   AliRICHMerger* merger = new AliRICHMerger();
+   // configuration
+   merger->SetMode(1);
+   merger->SetSignalEventNumber(0);
+   merger->SetBackgroundEventNumber(0);
+   merger->SetBackgroundFileName("bg.root");
+       
+// pass
+   RICH->SetMerger(merger);
+   
+//
+// Event Loop
+//
+   for (int nev=0; nev<= evNumber2; nev++) {
+       Int_t nparticles = gAlice->GetEvent(nev);
+       cout <<endl<< "Processing event:" <<nev<<endl;
+       cout << "Particles       :" <<nparticles<<endl;
+       if (nev < evNumber1) continue;
+       if (nparticles <= 0) return;
+       if (RICH) 
+        {
+          //gAlice->MakeTree("D");
+          //RICH->MakeBranch("D");
+          merger->Digitise(nev, particle_type);
+        }
+       //if (RICH) gAlice->SDigits2Digits("RICH");
+       //char hname[30];
+       //sprintf(hname,"TreeD%d",nev);
+       //gAlice->TreeD()->Write(hname);
+       //gAlice->TreeD()->Reset();
+   } // event loop 
+   file->Close();
+
+   //delete gAlice;
+   printf("\nEnd of Macro  *************************************\n");
+}
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