#include <iostream>
#include <sstream>
#include <fstream>
#include "MITStyle.h"
#include "TCanvas.h"
#include "TH2F.h"
#include "TGraph.h"
#include "TGraphErrors.h"
#include "TFrame.h"
#include "TText.h"
#include "math.h"
  
void convTextCoord(TCanvas *c1,double x,double y,double &xnew, double &ynew){
  double x1=c1->GetFrame()->GetX1();
  double x2=c1->GetFrame()->GetX2();
  double y1=c1->GetFrame()->GetY1();
  double y2=c1->GetFrame()->GetY2();
  xnew=x*(x2-x1);
  ynew=y*(y2-y1);
  std::cout << x1 <<" "
	    << y1  <<" "
	    << x2  <<" "
	    <<  y2  <<" "
	    << xnew  <<" "
	    << ynew  <<" "
	    <<std::endl;
}
void putText(TCanvas* c1,double x,double y,char* text,Float_t angle){
  double xval,yval;
  convTextCoord(c1,x,y,xval,yval);
  TText* mes=new TText(xval,yval,text);
  mes->SetTextAngle(angle);
  mes->Draw();
}

void ExcelMasFile(){
  //
  // Create array
  Int_t n=14;
  Float_t x[14],xe[14];
  Float_t y[14],ye[14];
  int i=0;
  x[i]=i+.5; y[i++]=91.1581;
  x[i]=i+.5; y[i++]=90.9771;
  x[i]=i+.5; y[i++]=90.9769;
  x[i]=i+.5; y[i++]=90.9342;
  x[i]=i+.5; y[i++]=91.0014;
  x[i]=i+.5; y[i++]=90.9686;
  x[i]=i+.5; y[i++]=90.9526;
  x[i]=i+.5; y[i++]=90.9589;
  x[i]=i+.5; y[i++]=90.9565;
  x[i]=i+.5; y[i++]=90.9912;
  n=i;
  i=0;
  xe[i]=0; ye[i++]=0.0126139;
  xe[i]=0; ye[i++]=0.0171738;
  xe[i]=0; ye[i++]=0.0262449;
  xe[i]=0; ye[i++]=0.0225921;
  xe[i]=0; ye[i++]=0.0172083;
  xe[i]=0; ye[i++]=0.0190728;
  xe[i]=0; ye[i++]=0.0345498;
  xe[i]=0; ye[i++]=0.0365339;
  xe[i]=0; ye[i++]=0.0343934;
  xe[i]=0; ye[i++]=0.031575;
  char * label[14];
  Float_t langle[14];
  Float_t poslab[14];
  i=0;
  poslab[i]=1;  langle[i]=0; label[i++]="TCE_TCE  ";
  poslab[i]=1;  langle[i]=60; label[i++]="CMUP_CMUP";
  poslab[i]=1;  langle[i]=60; label[i++]="CMUP_CMU ";
  poslab[i]=-1;  langle[i]=0; label[i++]="CMUP_CMP ";
  poslab[i]=1;  langle[i]=60; label[i++]="CMUP_CMX ";
  poslab[i]=1;  langle[i]=60; label[i++]="CMUP_CMIO";
  poslab[i]=1;  langle[i]=60; label[i++]="CMX_CMX  ";
  poslab[i]=1;  langle[i]=60; label[i++]="CMX_CMU  ";
  poslab[i]=-1;  langle[i]=0; label[i++]="CMX_CMP  ";
  poslab[i]=1;  langle[i]=60; label[i++]="CMX_CMIO ";
  
  MITRootStyle::MITStyle();
  // Make a canvas
  TCanvas * c1 = new TCanvas ("c1","Draw", 200,10,700,500);
  // Set attributes
  c1->SetFillColor(0);
  //  c1->SetGrid(42);
  c1->GetFrame()->SetFillColor(21);
  c1->GetFrame()->SetBorderSize(12);
  TGraphErrors* gr=new TGraphErrors(n,x,y,xe,ye);
  gr->SetTitle("Mz for Various Dilepton Combinations");
  gr->SetMarkerColor(4);
  gr->SetMarkerStyle(21);
  gr->Draw("AP");
  for (i=0;i<n;i++)putText(c1,x[i],
			   y[i]+poslab[i]*(ye[i]+0.5*ye[i]),
			   label[i],langle[i]);
}
   
  
  
  
  
  
  
/*
CMUP_triggered_2 90.9647 0.0100628 0 0 
ALL_CMX_2        90.983 0.0125557 0 0 
CMX+track_2      90.9673 0.0166329 0 0 
CMX+CMUP_2       90.9726 0.00820361 0 0 
*/