Gabriele Cosmo
296 lines
8.4 KiB
C++
296 lines
8.4 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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//
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// Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
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// V.Ivanchenko (Vladimir.Ivantchenko@cern.ch)
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//
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// History:
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// -----------
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// 31 Jul 2001 MGP Created
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// 12.09.01 V.Ivanchenko Add activeZ and paramA
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// 25.09.01 V.Ivanchenko Add parameter C and change interface to B
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// 29.11.01 V.Ivanchenko Update parametrisation
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// 18.11.02 V.Ivanchenko Fix problem of load
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// 21.02.03 V.Ivanchenko Number of parameters is defined in the constructor
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// 28.02.03 V.Ivanchenko Filename is defined in the constructor
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// 03.12.10 V.Ivanchenko Fixed memory leak in LoadData
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//
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// -------------------------------------------------------------------
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#include <fstream>
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#include "G4BremsstrahlungParameters.hh"
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#include "G4PhysicalConstants.hh"
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#include "G4VEMDataSet.hh"
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#include "G4EMDataSet.hh"
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#include "G4LogLogInterpolation.hh"
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#include "G4Material.hh"
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G4BremsstrahlungParameters:: G4BremsstrahlungParameters(const G4String& name,
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size_t num, G4int minZ, G4int maxZ)
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: zMin(minZ),
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zMax(maxZ),
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length(num)
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{
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LoadData(name);
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}
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G4BremsstrahlungParameters::~G4BremsstrahlungParameters()
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{
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// Reset the map of data sets: remove the data sets from the map
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std::map<G4int,G4VEMDataSet*,std::less<G4int> >::iterator pos;
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for (pos = param.begin(); pos != param.end(); ++pos)
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{
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G4VEMDataSet* dataSet = (*pos).second;
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delete dataSet;
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}
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activeZ.clear();
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paramC.clear();
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}
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G4double G4BremsstrahlungParameters::Parameter(G4int parameterIndex,
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G4int Z,
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G4double energy) const
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{
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G4double value = 0.;
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G4int id = Z*length + parameterIndex;
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std::map<G4int,G4VEMDataSet*,std::less<G4int> >::const_iterator pos;
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pos = param.find(id);
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if (pos!= param.end()) {
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G4VEMDataSet* dataSet = (*pos).second;
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const G4DataVector ener = dataSet->GetEnergies(0);
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G4double ee = std::max(ener.front(),std::min(ener.back(),energy));
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value = dataSet->FindValue(ee);
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} else {
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G4cout << "WARNING: G4BremsstrahlungParameters::FindValue "
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<< "did not find ID = "
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<< id << G4endl;
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}
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return value;
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}
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void G4BremsstrahlungParameters::LoadData(const G4String& name)
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{
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const G4double mConst =
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classic_electr_radius*electron_Compton_length*electron_Compton_length*4.0*pi;
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// Build the complete string identifying the file with the data set
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// define active elements
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const G4MaterialTable* materialTable = G4Material::GetMaterialTable();
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if (materialTable == 0)
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G4Exception("G4BremsstrahlungParameters::LoadData",
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"em1001",FatalException,"Unable to find MaterialTable");
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G4int nMaterials = G4Material::GetNumberOfMaterials();
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G4double x = 1.e-9;
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for (G4int mmLocal=0; mmLocal<100; mmLocal++) {
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paramC.push_back(x);
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}
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for (G4int mLocal=0; mLocal<nMaterials; mLocal++) {
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const G4Material* material= (*materialTable)[mLocal];
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const G4ElementVector* elementVector = material->GetElementVector();
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const G4int nElements = material->GetNumberOfElements();
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for (G4int iEl=0; iEl<nElements; iEl++) {
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G4Element* element = (*elementVector)[iEl];
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G4double Z = element->GetZ();
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G4int iz = (G4int)Z;
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if(iz < 100) {
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paramC[iz] = mConst*material->GetTotNbOfElectPerVolume();
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//paramC[iz] = 0.217635e-33*(material->GetTotNbOfElectPerVolume());
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}
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if (!(activeZ.contains(Z))) {
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activeZ.push_back(Z);
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}
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}
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}
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// Read parameters
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char* path = std::getenv("G4LEDATA");
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if (path == 0)
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{
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G4Exception("G4BremsstrahlungParameters::LoadData",
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"em0006",FatalException,"G4LEDATA environment variable not set");
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return;
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}
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G4String pathString_a(path);
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G4String name_a = pathString_a + name;
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std::ifstream file_a(name_a);
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std::filebuf* lsdp_a = file_a.rdbuf();
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if (! (lsdp_a->is_open()) )
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{
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G4String stringConversion2("G4BremsstrahlungParameters::LoadData");
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G4String excep = stringConversion2 + name_a;
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G4Exception("G4BremsstrahlungParameters::LoadData",
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"em0003",FatalException,excep);
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}
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// The file is organized into two columns:
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// 1st column is the energy
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// 2nd column is the corresponding value
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// The file terminates with the pattern: -1 -1
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// -2 -2
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G4double ener = 0.0;
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G4double sum = 0.0;
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G4int z = 0;
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std::vector<G4DataVector*> a;
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a.resize(length);
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G4DataVector e;
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e.clear();
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G4bool isReady = false;
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do {
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file_a >> ener >> sum;
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// End of file
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if (ener == (G4double)(-2)) {
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break;
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// End of next element
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} else if (ener == (G4double)(-1)) {
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++z;
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G4double Z = (G4double)z;
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// fill map if Z is used
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if (activeZ.contains(Z)) {
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for (size_t k=0; k<length; ++k) {
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G4int id = z*length + k;
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G4VDataSetAlgorithm* inter = new G4LogLogInterpolation();
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G4DataVector* eVector = new G4DataVector;
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size_t eSize = e.size();
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for (size_t sLocal=0; sLocal<eSize; sLocal++) {
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eVector->push_back(e[sLocal]);
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}
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G4VEMDataSet* set = new G4EMDataSet(id,eVector,a[k],inter,1.,1.);
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param[id] = set;
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}
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} else {
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for (size_t j=0; j<length; j++) {
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delete a[j];
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}
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}
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isReady = false;
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} else {
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if(!isReady) {
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isReady = true;
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e.clear();
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for (size_t j=0; j<length; ++j) {
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a[j] = new G4DataVector();
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}
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}
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if(ener > 1000.) ener = 1000.;
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e.push_back(ener);
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a[length-1]->push_back(sum);
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for (size_t j=0; j<length-1; j++) {
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G4double qRead;
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file_a >> qRead;
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a[j]->push_back(qRead);
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}
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}
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} while (ener != (G4double)(-2));
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file_a.close();
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}
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G4double G4BremsstrahlungParameters::ParameterC(G4int id) const
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{
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G4int n = paramC.size();
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if (id < 0 || id >= n)
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{
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G4String stringConversion2(id);
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G4String ex = "Wrong id " + stringConversion2;
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G4Exception("G4BremsstrahlungParameters::ParameterC",
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"em1002",FatalException,ex);
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}
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return paramC[id];
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}
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void G4BremsstrahlungParameters::PrintData() const
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{
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G4cout << G4endl;
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G4cout << "===== G4BremsstrahlungParameters =====" << G4endl;
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G4cout << G4endl;
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G4cout << "===== Parameters =====" << G4endl;
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G4cout << G4endl;
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size_t nZ = activeZ.size();
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std::map<G4int,G4VEMDataSet*,std::less<G4int> >::const_iterator pos;
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for (size_t j=0; j<nZ; j++) {
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G4int Z = (G4int)activeZ[j];
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for (size_t i=0; i<length; i++) {
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pos = param.find(Z*length + i);
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if (pos!= param.end()) {
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G4cout << "===== Z= " << Z
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<< " parameter[" << i << "] ====="
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<< G4endl;
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G4VEMDataSet* dataSet = (*pos).second;
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dataSet->PrintData();
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}
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}
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}
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G4cout << "==========================================" << G4endl;
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}
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