98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
#include <TH2F.h>
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#include <TFile.h>
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#include <TChain.h>
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#include <TROOT.h>
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#include <TStyle.h>
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#include <TCanvas.h>
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#include <TCutG.h>
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#include <TString.h>
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#include <TObjArray.h>
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#include "mapping.h"
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void GAGGPIDCutCreator(TString dataList,
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TString saveFileName = "GAGGPIDCuts.root",
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int peakRange=1200,
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int tailRange=400,
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bool isLogz = false,
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TString gate = "",
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TString treeName = "tree"
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){
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printf("================ Graphic Cut Creator for GAGG ============== \n");
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TChain * chain = new TChain(treeName);
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chain->Add(dataList);
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chain->GetListOfFiles()->Print();
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TString varX, varY, tag;
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gStyle->SetOptStat("neiou");
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TCanvas * cCutCreator = new TCanvas("cCutCreator", "GAGG PID Cut Creator", 100, 100, 800, 800);
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if( !cCutCreator->GetShowToolBar() ) cCutCreator->ToggleToolBar();
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cCutCreator->Update();
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if( isLogz ) cCutCreator->cd()->SetLogz();
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TCutG * cut = NULL;
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TObjArray * cutList = new TObjArray();
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TString expression;
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TH2F * h[NGAGG];
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int count = 0;
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for (Int_t i = 0; i < NGAGG; i++) {
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varX.Form("gaggT"); varY.Form("gaggP");
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h[i] = new TH2F(Form("h%d", i), Form("GAGG-%d",i), 500, 0, tailRange, 500, 0, peakRange);
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expression.Form("%s:%s>>h%d", varY.Data(), varX.Data(),i);
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gate.Form("gaggID==%d", i);
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chain->Draw(expression, gate, "col");
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if( h[i]->Integral() < 1000 ) {
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h[i]->SetMarkerStyle(20);
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h[i]->SetMarkerSize(0.4);
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h[i]->Draw("");
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}
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printf("======== make a graphic cut on the plot (double click to stop), %d-th cut: ", i );
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cCutCreator->Modified(); cCutCreator->Update();
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gPad->WaitPrimitive();
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cut = (TCutG*) gROOT->FindObject("CUTG");
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if( cut == NULL ){
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printf(" stopped by user. no file saved or changed. \n");
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break;
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}
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TString name; name.Form("cut%d", i);
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cut->SetName(name);
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cut->SetVarX(varX.Data());
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cut->SetVarY(varY.Data());
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cut->SetTitle(tag);
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cut->SetLineColor(i+1);
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cutList->Add(cut);
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printf(" cut-%d \n", i);
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count ++;
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}
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TFile * cutFile = new TFile(saveFileName, "recreate");
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cutList->Write("cutList", TObject::kSingleKey);
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printf("====> saved %d cuts into %s\n", count, saveFileName.Data());
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gROOT->ProcessLine(".q");
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}
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