File:P vs phi 1hitperlayer.jpg

//
// Written by Kyle Snavely                  June 30, 2008
// Modified by Daniel Mannarino             July 28, 2008
//
// This script reads in rootfiles and makes a plot of phi
// vs. z for protons
// --------------------------------------------------------
//


// All my standard ROOT includes...
#include <TString.h>
#include <string> 
#include <fstream>
#include <iostream> 
#include <TCanvas.h> 
#include <TH1.h>
#include <TH2.h>
#include <TF1.h>
#include <TH3F.h>
#include <TFile.h>
#include <TTree.h> 
#include <TROOT.h>
#include <TStyle.h>
#include <TApplication.h>
#include <TPaletteAxis.h>
#include <TPaveText.h>
#include <TPaveStats.h>
#include <TPaveLabel.h>
#include <vector>
#include <TProfile.h>
#include <TF1.h>
#include <TGraphErrors.h>
#include <TMultiGraph.h>
#include <TGraph.h>
#include <TDatime.h>
#include <TLegend.h>
#include <TAxis.h>
#include <TGaxis.h>
#include <TPad.h>
#include <TLatex.h>
#include <TRandom.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <TMath.h>
#include <TMinuit.h>
#include <TStopwatch.h>
#include <TSpectrum.h>
#include "TMath.h"


// Interactive includes
#include <TRint.h>
#include <TApplication.h>
#include <TGX11.h>
#include <TVirtualX.h>
#include <TFriendElement.h>

using namespace std ;

// Make tree a global variable so that we can access it outside this function.
// You can then also access it from the command line. 
TTree *tree;

// ************  The main program starts here. ****************//

int main(int argc, char** argv)
{

  ///////////////////////////////////////////
  //   Initialize root, get our files and  //
  // make them friends, create our canvas. //
  ///////////////////////////////////////////
  TApplication theApp("App", &argc, argv);
  // gStyle->SetOptFit(0111);
  gROOT->SetStyle("Plain");
  gStyle->SetFillColor(10); 

  ///////////////////////////////////////////
  //   Proton files

  TFile *pro1 = new TFile("$DATA/proton_500000.root");
  //Get bst tree
  TTree *bst = (TTree*)pro1->Get("bstT");
  bst->AddFriend("genT", "$DATA/proton_500000.root");

  
  ///////////////////////////////////////////
  // Make our canvas

  TCanvas* MyCanvas1 = new TCanvas("MyCanvas1", "Some Graphs", 1);
  MyCanvas1->SetFillColor(10);
  TPaveLabel *title1 = NULL;
  title1 = new TPaveLabel(0.1,0.96,0.9,0.99,"A Plot!  Yay!");
  title1->SetFillColor(10);
  //title1->Draw();
  TDatime *now1;
  now1 = new TDatime();
  TPaveLabel *date1 = new TPaveLabel(0.7,0.01,0.9,0.03,now1->AsString());
  date1->SetFillColor(10);
  TPad* graphPad1 = new TPad("Graphs","Graphs",0.0,0.0,1.0,1.0);

  graphPad1->SetFillColor(10);
  graphPad1->Draw();
  graphPad1->cd();
  
  /////////////////////////////////////////// 
  //   Create and fill our histos          //
  ///////////////////////////////////////////
  TH2F *p_phi = new TH2F("p_phi","p vs. phi (Protons)",200,0,360,200,200,4000);
  p_phi->SetMarkerColor(40);  
  bst->Draw("p:phi>>p_phi","layer[0]==1 && layer[1]==2 && layer[2]==3 && layer[3]==4 && layer[4]==5 && layer[5]==6 && layer[6]==7 && layer[7]==8");

  ///////////////////////////////////////////
  //   Draw our graphs                     //
  ///////////////////////////////////////////
  graphPad1->Clear();
  gStyle->SetPalette(1,0);
  p_phi->Draw("COLZ");

  gStyle->SetNumberContours(255);

 // ------------------------------------------------

  // Main application eventloop. Calls system dependent eventloop
  // -> runs an interactive interface 
  theApp.Run();

  return(0); 
} /**********  End of main *************/