XIAEventBuilder/readRawTrace.C

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#include <TROOT.h>
#include <TChain.h>
#include <TFile.h>
#include <TSelector.h>
#include <TCanvas.h>
#include <TGraph.h>
#include <TClonesArray.h>
#include <TBenchmark.h>
#include <TMath.h>
#include <TF1.h>
#include <TLatex.h>
#include <TLine.h>
#include <iostream>
void readRawTrace(TString fileName, int minDetID = 0, int maxDetID = 1000){
/**///==============================================================
TFile * f1 = new TFile (fileName, "read");
TTree * tree = (TTree *) f1->Get("tree");
if( tree == NULL ) {
printf("===== Are you using gen_runXXX.root ? please use runXXX.root\n");
return;
}
int totnumEntry = tree->GetEntries();
printf( "========== total Entry : %d \n", totnumEntry);
TCanvas * cRead = new TCanvas("cRead", "Read Trace", 0, 1500, 800, 300);
cRead->Divide(1,1);
for( int i = 1; i <= 2 ; i++){
cRead->cd(i)->SetGrid();
}
cRead->SetGrid();
gStyle->SetOptFit(0);
/**///==============================================================
UShort_t detID;
UShort_t trace[1024];
UShort_t traceLength;
Int_t QDC[8];
tree->SetBranchAddress("detID", &detID);
tree->SetBranchAddress("trace", trace);
tree->SetBranchAddress("trace_length", &traceLength);
tree->SetBranchAddress("qdc", QDC);
TLatex text ;
text.SetNDC();
text.SetTextFont(62);
text.SetTextSize(0.06);
text.SetTextColor(2);
bool breakFlag = false;
bool lastEvFlag = false;
int oldEv = 0;
TGraph * g = new TGraph();
for( int ev = 0; ev < totnumEntry; ev++){
if( lastEvFlag ) {
ev = oldEv;
lastEvFlag = false;
}
tree->GetEntry(ev);
if( !(minDetID <= detID && detID <= maxDetID ) ) continue;
printf("-------------------------------- ev : %d \n", ev);
printf("id : %d, trace Length : %u ( enter = next , q = stop, w = last)\n", detID, traceLength);
g->Clear();
g->Set(traceLength);
for( int k = 0; k < traceLength ; k++) g->SetPoint(k, k, trace[k]);
g->SetTitle(Form("ev: %d, id : %d, trace Length : %u\n", ev, detID, traceLength));
cRead->cd(1);
cRead->Clear();
g->Draw("AL");
for( int i = 0; i < 8; i++) text.DrawLatex(0.2, 0.8-0.05*i, Form("%d", QDC[i]));
cRead->Update();
gSystem->ProcessEvents();
char s[80];
fgets(s, sizeof s, stdin);
if( s[0] == 113 ) { // 'q' = 113
breakFlag = true;
break;
}else if( s[0] == 119 ) { // 'w' = 119
if( ev > 0 ) {
lastEvFlag = true;
oldEv = ev -1;
}else{
printf(" the first event!!! \n");
}
}
if( breakFlag ) break;
}
//gROOT->ProcessLine(".q");
}