utilities.hh

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#ifndef UTILITIES_h
#define UTILITIES_h

//have the makefile add these functions to the root lib:
//ClassDef

class TFile;
class TTree;
class TGraph;
class TGraphErrors;
class TPad;
class TChain;
class TObject;

#include "TCanvas.h"
#include "TCut.h"
#include "ChannelData.hh"

#include <string>
#include <vector>


TFile* OpenFile(const char* filename, const char* option = "READ");
TTree* GetEventsTree(const char* filename);
TGraph* GetAverageGraph(const char* filename, int channel);
TGraphErrors* GetAverageGraph(int run_no, int channel); 
double GetBaseline(TGraph* g, int npts=100, bool subtract = false);
int DividePad(TPad* p, int nplots);

int explode_string(const std::string& s, char delim, 
                   std::vector<std::string>& out);

std::vector<std::string> explode_cut(const TCut& cut);

void DrawOperationsBoxes(bool drawbubble=true, bool drawrecirc=true);

TGraph* GetRealEvent(const char* filename, int eventnum, int channel);

ChannelData* GetChannelData(const char* filename, int eventnum, int channel);

double CorrelationCoefficient(int npts, double* x, double* y);

TCut GetStandardCuts();

TCut GetTwoPulseCuts(); 

TCut GetOnePulseCuts(bool onlyone=true);

TCanvas* TwoPulsePlots(TTree* Events, bool queryfit=false, TCut cuts="",TCanvas* c = new TCanvas);

TCanvas* OnePulsePlots(TTree* Events, TCut cuts="",TCanvas* c = new TCanvas);

TCanvas* PlotSpeDistributions(TTree* Events, bool normalize=true);

double ElectronLifetime(TTree* Events, bool newcanvas=false, 
                        bool defaultlimits=true);
void SaveHistoToFile(TObject* c);
void CustomizeHistogramMenus();

#endif