View source for PhotoFis.C (ROOT program to analyse data)

 void PhotoFis() {
   struct evt_t {
   Int_t event, ADCnum, ADCval, Lastevent, LastADCnum,LastADCval;
 };
 ifstream in;
 in.open("189.txt");
 evt_t evt;
 Int_t nlines=0;
 TFile *f = new TFile("PhotoFis.root","RECREATE");
 TTree *tree = new TTree("PhotoFis","PhototFis data from ascii file");
 tree->Branch("evt",&evt.event,"event/I:ADCnum/I:ADCval/I:Lastevent/I:LastADCnum/I:LastADCval");
 evt.LastADCnum=0;
 evt.LastADCval=0;
 evt.Lastevent=0;
 while(in.good()){
   //evt.event=nlines;
   in >> evt.ADCnum >> evt.ADCval >> evt.event ;
 if(evt.event < 10) printf( " %0d  %d %d \n", evt.event, evt.ADCnum, evt.ADCval );
   nlines++;
   tree->Fill();
   evt.LastADCnum=evt.ADCnum;
   evt.LastADCval=evt.ADCval;
   evt.Lastevent=evt.event;
   in >> evt.LastADCnum >> evt.LastADCval >> evt.Lastevent ;
 // printf( " %0d  %d %d \n", evt.LastADCnum, evt.LastADCval, evt.Lastevent );
 }
 tree->Print();
 tree->Write();  
 in.close();
 delete tree;
 delete f;
 }


[http://wiki.iac.isu.edu/index.php/PhotoFission_with_Polarized_Photons_from_HRRL Go Back]