/// Class to plot gas properties inside TPC
/// over a particular time period (or run).  Also
/// plots versus the pressure and temperature
/// to look for temperature and densit effects.
/// Blair Jamieson (C) 2009, 2010
#ifndef TTPCGasAnalysis_hxx__
#define TTPCGasAnalysis_hxx__

#include <vector>
#include <string.h>
#include <math.h>

using namespace std;

#include <TROOT.h>
#include <TStyle.h>
#include <TH2F.h>
#include <TSystem.h>
#include <TCanvas.h>

#include "ITPCGas.hxx"
#include "ITPCGasSmooth.hxx"
//#include "ITPCGasAvg.hxx"

/// Class to build plots of gas properties inside TPC
/// over a particular time period (or run).
/// Blair Jamieson (C) 2009, 2010
class ITPCGasAnalysis {
public:
  /// Initialize TPC gas properties averaging object using unix times
  ITPCGasAnalysis( int maxsamples = -1, long autmin =  1224118800,  long autmax =  1224118800 );
  
  /// Initialize TPC gas properties averaging object using year,
  /// month(0-11), day (1-31), ...
  ITPCGasAnalysis( int maxsamples, 
		  int ayearmin, int amonthmin, int adaymin, int ahourmin, int aminmin, int asecmin,
		  int ayearmax, int amonthmax, int adaymax, int ahourmax, int aminmax, int asecmax );
  
private:
  
  long fTimeMin;
  long fTimeMax;
  int  fNSam;


  /// Method that does the analysis
  void Process();

  /// Get TGraph time offset due to day light savings time
  /// messing things up
  int GetDSTOffset( long atime );

  
};

#endif