Import Geant4 4.0.0 source tree

2016-06-08 16:18:25 +02:00
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+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.                                                             *
+// *                                                                  *
+// * This  code  implementation is the  intellectual property  of the *
+// * GEANT4 collaboration.                                            *
+// * By copying,  distributing  or modifying the Program (or any work *
+// * based  on  the Program)  you indicate  your  acceptance of  this *
+// * statement, and all its terms.                                    *
+// ********************************************************************
+//
+//
+// $Id: G4CompositeEMDataSet.cc,v 1.5 2001/10/25 02:32:16 pia Exp $
+// GEANT4 tag $Name: geant4-04-00 $
+//
+// Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
+//
+// History:
+// -----------
+// 1 Aug 2001   MGP        Created
+//
+// -------------------------------------------------------------------
+
+#include "G4CompositeEMDataSet.hh"
+#include "G4EMDataSet.hh"
+#include "G4VDataSetAlgorithm.hh"
+#include "g4std/fstream"
+#include "g4std/strstream"
+
+
+G4CompositeEMDataSet::G4CompositeEMDataSet(G4VDataSetAlgorithm* interpolation,
+					   G4double unitE, G4double unitData,
+					   G4int minZ, G4int maxZ)
+  :algorithm(interpolation), unit1(unitE), unit2(unitData), zMin(minZ), zMax(maxZ)
+{
+  nComponents = 0;
+}
+
+G4CompositeEMDataSet::G4CompositeEMDataSet(const G4String& dataFile,
+					   G4VDataSetAlgorithm* interpolation,
+					   G4double unitE, G4double unitData,
+					   G4int minZ, G4int maxZ)
+  : algorithm(interpolation), unit1(unitE), unit2(unitData), zMin(minZ), zMax(maxZ)
+{
+  nComponents = 0;
+  LoadData(dataFile);
+}
+
+G4CompositeEMDataSet::~G4CompositeEMDataSet()
+{ 
+  for (size_t i=0; i<nComponents; i++)
+    {
+      delete components[i];
+    }
+  delete algorithm;
+}
+
+G4double G4CompositeEMDataSet::FindValue(G4double e, G4int id) const
+{
+  // Returns the value in component id corresponding to e
+  G4double value = 0.;
+
+  G4VEMDataSet* component = components[id];
+  if (component != 0)
+    {
+      value = component->FindValue(e);
+    }
+  else
+    {
+      G4cout << "WARNING - G4CompositeEMDataSet::FindValue - component "
+	     << id << " not found" << G4endl; 
+    }
+
+  return value;
+}
+
+void G4CompositeEMDataSet::PrintData() const
+{
+  G4cout << "The data set has " << nComponents << " components" << G4endl;
+
+  for (size_t i=0; i<nComponents; i++)
+  {
+    G4cout << "--- Component " << i << " ---" << G4endl;
+    G4VEMDataSet* component = components[i];
+    component->PrintData();
+  }
+}
+
+void G4CompositeEMDataSet::LoadData(const G4String& fileName)
+{ 
+
+  for (G4int Z=zMin; Z<zMax; Z++)
+    {
+      // Build the complete string identifying the file with the data set
+      
+      char nameChar[100] = {""};
+      G4std::ostrstream ost(nameChar, 100, G4std::ios::out);
+      
+      ost << fileName << Z << ".dat";
+      
+      G4String name(nameChar);
+      
+      char* path = getenv("G4LEDATA");
+      if (!path)
+	{ 
+	  G4String excep = "G4CompositeEMDataSet - G4LEDATA environment variable not set";
+	  G4Exception(excep);
+	}
+      
+      G4String pathString(path);
+      G4String dirFile = pathString + "/" + name;
+      G4std::ifstream file(dirFile);
+      G4std::filebuf* lsdp = file.rdbuf();
+      
+      if (! (lsdp->is_open()) )
+	{
+	  G4String excep = "G4CompositeEMDataSet - data file: " + dirFile + " not found";
+	  G4Exception(excep);
+	}
+      G4double a = 0;
+      G4int k = 1;
+      G4DataVector* energies = new G4DataVector;
+      G4DataVector* data = new G4DataVector;
+      do
+	{
+	  file >> a;
+	  G4int nColumns = 2;
+	  // The file is organized into two columns:
+	  // 1st column is the energy
+	  // 2nd column is the corresponding value
+	  // The file terminates with the pattern: -1   -1
+	  //                                       -2   -2
+	  if (a == -1 || a == -2)
+	    {
+	    }
+	  else
+	    {
+	      if (k%nColumns != 0)
+		{	
+		  G4double e = a * unit1;
+		  energies->push_back(e);
+		  k++;
+		}
+	      else if (k%nColumns == 0)
+		{
+		  G4double value = a * unit2;
+		  data->push_back(value);
+		  k = 1;
+		}
+	    }
+	} while (a != -2); // end of file
+      
+      file.close();
+
+      G4VDataSetAlgorithm* algo = algorithm->Clone();
+      G4VEMDataSet* dataSet = new G4EMDataSet(Z,energies,data,algo);
+      AddComponent(dataSet);
+    }
+}
+
+void G4CompositeEMDataSet::AddComponent(G4VEMDataSet* component)
+{ 
+  components.push_back(component);
+  nComponents++;
+}
+
+const G4DataVector& G4CompositeEMDataSet::GetEnergies(G4int i) const
+{
+  const G4VEMDataSet* component = GetComponent(i);
+  return (component->GetEnergies(i));
+}
+
+const G4DataVector& G4CompositeEMDataSet::GetData(G4int i) const 
+{
+  const G4VEMDataSet* component = GetComponent(i);
+  return (component->GetData(i));
+}