StRoot: StJetMaker/StarTrigSimuSetup/L0/2006/EemcFeePed/03.07.2006/pedhist.C Source File

00001 pedhist ( int crate=3, int group=2){
00002 
00003   //crate is crate number
00004   //group is group of 16 FEE ch in crate
00005   // group 0=ch0-15
00006   // group 1=ch16-31
00007 
00008   gStyle->SetOptStat(1111111);
00009   char *name="feePed.hist.root";
00010 
00011   TFile *f=new TFile(name);
00012   TCanvas *c=new TCanvas("bb","ccc",800,800);
00013 
00014   int start=group*16;
00015   int stop=start+16;
00016 
00017   c->Divide(4,4);
00018   int r=0;
00019   int i=crate-3;
00020   int j;
00021   for(j=start;j<stop;j++) {
00022     r++;
00023     c->cd(r); 
00024     char tt1[100];
00025     sprintf(tt1,"cr%d_ch%03d",crate,j);
00026     TH1F* h= (TH1F*) f->Get(tt1); 
00027     printf("=%s= %p\n",tt1,h);
00028     h->Draw();
00029     h->SetAxisRange(0,100); 
00030     gPad->SetLogy();   
00031   }     
00032 }