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// --------------------------------------------------------------------
//
// GEANT4     Test file
//
// File name: testExp.cc
//
// Author:    Simona Saliceti (simona.saliceti@ge.infn.it)
// 
// History:
// --------
// 
// 13/04/2004 Simona Saliceti 1st implementation
// --------------------------------------------------------------------
//
// Test Description: 
// ------------------
// Test of second implementation of the Empiric Model for shell cross sections in proton ionisation
// --------------------------------------------------------------------
// $Id: testDoubleExp.cc,v 1.5 2009/06/12 10:43:45 mantero Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $

#include "globals.hh"
#include "G4ios.hh"
#include <stdio.h>
#include <vector>
#include <iostream>
#include <fstream>
#include "G4VhShellCrossSection.hh"
#include "G4hShellCrossSection.hh"
#include "G4hShellCrossSectionDoubleExp.hh"
#include "G4teoCrossSection.hh"
#include "G4AtomicTransitionManager.hh"
#include "G4Proton.hh"
#include "AIDA/AIDA.h"

int main()
{ 
   G4int Z; 
   G4double incidentEnergy;
   G4double mass;
   G4double deltaEnergy;
   size_t shellNumber;

   //    G4VhShellCrossSection* shellExp = new G4hShellCrossSectionDoubleExp();
 
   G4VhShellCrossSection* shellExp = new G4teoCrossSection();

   //proton mass in Kg
   //mass = 1.67262158e-27 * kg;   
   G4Proton* aProtone = G4Proton::Proton();
   mass = aProtone->GetPDGMass();

   std::vector<G4double> energies;
   //Energy from 0.005 MeV to 500 MeV
   for (G4double i=-5.5; i<6.5; i=i+0.125)
     {
       energies.push_back(std::exp(i)*MeV);
     } 

   G4cout << "Enter shell number: " << G4endl;
   G4cin >> shellNumber;

   // Creating the analysis factory and  the tree factory
   AIDA::IAnalysisFactory* analysisFactory = AIDA_createAnalysisFactory();
   AIDA::ITreeFactory* treeFactory = analysisFactory->createTreeFactory();

   G4String fileName = "teoCorssSection";           

   G4String fileNameTxt = fileName;
   char buffer[3];
   std::ofstream myfile;

   //Z is the atomic number
   for (Z = 6; Z<=92; Z++)
     { 
       G4cout << "Z = " << Z << G4endl;
       snprintf(buffer, 3, "%d", Z);

       fileName = fileName+ buffer + ".xml";




       // Creating a tree in uncompress XML
       AIDA::ITree* tree = treeFactory->create(fileName,"xml",0,1,"uncompress"); // output file
       // Creating a data point set  factory, which will be handled by the tree
       AIDA::IDataPointSetFactory* dataPointSetFactory = analysisFactory->createDataPointSetFactory(*tree);
       // Creating a 2 D data point set
       AIDA::IDataPointSet* dataPointSetElement = dataPointSetFactory->create("CS","Cross section", 2); 
       fileName = "teoCrossSection";
       
       
       
       fileNameTxt = fileName + buffer + ".dat";
       
       myfile.open (fileNameTxt);
       
       
       //Cross section for each incident energy
       for (size_t k=0; k<energies.size();k++)
	 {
	   incidentEnergy = energies[k]*MeV;
	   deltaEnergy = 0.0;
	   
	   // *************************************************************** //
	   // From Empiric Model                                              //
	   // *************************************************************** //
	   
	   std::vector<G4double> CS = shellExp->GetCrossSection(Z,incidentEnergy,mass,deltaEnergy,false);
	   
	   //Write in a file.xml
	   // Fill the two dimensional IDataPointSet
	   dataPointSetElement->addPoint();
	   AIDA::IDataPoint & point = *(dataPointSetElement->point(k));
	   AIDA::IMeasurement& xPoint = *(point.coordinate(0));
	   xPoint.setValue(incidentEnergy);
	   AIDA::IMeasurement& yPoint = *(point.coordinate(1));
	   yPoint.setValue(CS[shellNumber]); //barn);	     //error in ecpssr class: correct units management!
	   
	   myfile << incidentEnergy << "\t" << CS[shellNumber] << G4endl;
	   
	   
	 }
       
       myfile.close();
       fileNameTxt = fileName;     
       
       

       // Flushing the histograms into the file
       tree->commit();
       // Explicitly closing the tree
       tree->close();
     } 
   delete shellExp;
   
   G4cout<<"END OF THE MAIN PROGRAM"<<G4endl;
}