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//--------------------------------------------------------------------------------------------------
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// $Id: PlotTask.h,v 1.1 2010/10/03 03:40:00 paus Exp $
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//
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// PlotTask
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//
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// This class implements PlotTask which allows to plot the samples with various options.
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//
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// Authors: C.Paus
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//--------------------------------------------------------------------------------------------------
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#ifndef MITPLOTS_PLOT_PLOTTASK_H
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#define MITPLOTS_PLOT_PLOTTASK_H
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#include <TH1D.h>
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#include "MitPlots/Input/interface/TaskSamples.h"
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namespace mithep
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{
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class PlotTask
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{
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public:
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PlotTask(const TaskSamples *taskSamples, const double lumi);
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~PlotTask();
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void SetHistMinimum (double min) { fHistMinimum = min; }
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void SetHistMaximum (double max) { fHistMaximum = max; }
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void SetAxisTitles (const char* xtit, const char* ytit = "Number of Events");
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void SetXLegend (double x) { fXLegend = x; }
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void SetYLegend (double y) { fYLegend = y; }
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void SetNRebin (UInt_t n) { fNRebin = n; }
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private:
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// Overlay the contribution in a single histogram (no adding/stacking)
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void PlotContributions(const char* dir, const char* hist);
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void PlotStack (const char* dir, const char* hist);
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// Basic function to perfrom all reading and scaling operations
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void ScaleHistograms (const char* dir, const char* hist);
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// Helper to set scale for a histogram
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void FindHistMaximum ();
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void OverlayFrame () const;
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void OverlayEmptyHist () const;
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const TaskSamples *fTask; // analysis task to be plotted
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const double fTargetLumi; // target luminosity for task
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UInt_t fIdxHistMax; // index of histogram with maximum entry
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UInt_t fNRebin; // rebin parameter (default is 1)
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TH1D* fEmptyHist; // empty identical histogram
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TH1D* fDataHist; // data histogram if it exists
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double fHistMaximum; // histogram minimum to be displayed
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double fHistMinimum; // histogram minimum to be displayed
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TString fAxisTitleX; // x axis title
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TString fAxisTitleY; // y axis title
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double fXLegend; // x position of upper left legend box
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double fYLegend; // y position of upper left legend box
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std::vector<TH1D*> fHists; // list of scaled histograms
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std::vector<TH1D*> fStackedHists; // list of scaled histograms
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ClassDef(PlotTask, 0) // PlotTask plots analysis task with various options
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};
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}
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#endif
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