Gabriele Cosmo
847 lines
23 KiB
C++
847 lines
23 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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// $Id: G4SandiaTable.cc,v 1.34 2007/10/02 10:13:33 vnivanch Exp $
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// GEANT4 tag $Name: geant4-09-02 $
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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//
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// 10.06.97 created. V. Grichine
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// 18.11.98 simplified public interface; new methods for materials. mma
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// 31.01.01 redesign of ComputeMatSandiaMatrix(). mma
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// 16.02.01 adapted for STL. mma
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// 22.02.01 GetsandiaCofForMaterial(energy) return 0 below lowest interval mma
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// 03.04.01 fnulcof returned if energy < emin
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// 10.07.01 Migration to STL. M. Verderi.
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// 03.02.04 Update distructor V.Ivanchenko
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// 05.03.04 New methods for old sorting algorithm for PAI model. V.Grichine
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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#include "G4SandiaTable.hh"
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#include "G4StaticSandiaData.hh"
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#include "G4Material.hh"
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#include "G4MaterialTable.hh"
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G4int G4SandiaTable::fCumulInterval[101];
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G4double G4SandiaTable::fSandiaCofPerAtom[4];
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G4double const G4SandiaTable::funitc[4] = {cm2*keV/g,
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cm2*keV*keV/g,
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cm2*keV*keV*keV/g,
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cm2*keV*keV*keV*keV/g};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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G4SandiaTable::G4SandiaTable(G4Material* material)
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: fMaterial(material)
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{
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fMatSandiaMatrix = 0;
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fMatSandiaMatrixPAI = 0;
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fPhotoAbsorptionCof = 0;
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//build the CumulInterval array
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fCumulInterval[0] = 1;
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for (G4int Z=1; Z<101; Z++) {
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fCumulInterval[Z] = fCumulInterval[Z-1] + fNbOfIntervals[Z];
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}
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//compute macroscopic Sandia coefs for a material
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ComputeMatSandiaMatrix();
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//initialisation of fnulcof
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fnulcof[0] = fnulcof[1] = fnulcof[2] = fnulcof[3] = 0.;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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// Fake default constructor - sets only member data and allocates memory
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// for usage restricted to object persistency
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G4SandiaTable::G4SandiaTable(__void__&)
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: fMaterial(0), fMatSandiaMatrix(0), fPhotoAbsorptionCof(0)
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{
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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G4SandiaTable::~G4SandiaTable()
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{
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if(fMatSandiaMatrix) {
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fMatSandiaMatrix->clearAndDestroy();
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delete fMatSandiaMatrix;
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}
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if(fMatSandiaMatrixPAI) {
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fMatSandiaMatrixPAI->clearAndDestroy();
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delete fMatSandiaMatrixPAI;
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}
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if(fPhotoAbsorptionCof)
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{
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delete [] fPhotoAbsorptionCof ;
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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G4double G4SandiaTable::GetZtoA(G4int Z)
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{
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return fZtoAratio[Z];
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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G4double*
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G4SandiaTable::GetSandiaCofPerAtom(G4int Z, G4double energy)
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{
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assert (Z > 0 && Z < 101);
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G4double Emin = fSandiaTable[fCumulInterval[Z-1]][0]*keV;
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G4double Iopot = fIonizationPotentials[Z]*eV;
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if (Iopot > Emin) Emin = Iopot;
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G4int interval = fNbOfIntervals[Z] - 1;
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G4int row = fCumulInterval[Z-1] + interval;
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while ((interval>0) && (energy<fSandiaTable[row][0]*keV)) {
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--interval;
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row = fCumulInterval[Z-1] + interval;
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}
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if (energy >= Emin)
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{
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G4double AoverAvo = Z*amu/fZtoAratio[Z];
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fSandiaCofPerAtom[0]=AoverAvo*funitc[0]*fSandiaTable[row][1];
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fSandiaCofPerAtom[1]=AoverAvo*funitc[1]*fSandiaTable[row][2];
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fSandiaCofPerAtom[2]=AoverAvo*funitc[2]*fSandiaTable[row][3];
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fSandiaCofPerAtom[3]=AoverAvo*funitc[3]*fSandiaTable[row][4];
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}
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else
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{
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fSandiaCofPerAtom[0] = fSandiaCofPerAtom[1] = fSandiaCofPerAtom[2] =
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fSandiaCofPerAtom[3] = 0.;
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}
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return fSandiaCofPerAtom;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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void G4SandiaTable::ComputeMatSandiaMatrix()
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{
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//get list of elements
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const G4int NbElm = fMaterial->GetNumberOfElements();
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const G4ElementVector* ElementVector = fMaterial->GetElementVector();
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G4int* Z = new G4int[NbElm]; //Atomic number
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//
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//determine the maximum number of energy-intervals for this material
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//
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G4int MaxIntervals = 0;
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G4int elm;
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for (elm=0; elm<NbElm; elm++) {
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Z[elm] = (G4int)(*ElementVector)[elm]->GetZ();
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MaxIntervals += fNbOfIntervals[Z[elm]];
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}
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//
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//copy the Energy bins in a tmp1 array
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//(take care of the Ionization Potential of each element)
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//
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G4double* tmp1 = new G4double[MaxIntervals];
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G4double IonizationPot;
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G4int interval1=0;
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for (elm=0; elm<NbElm; elm++) {
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IonizationPot = GetIonizationPot(Z[elm]);
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for (G4int row=fCumulInterval[Z[elm]-1];row<fCumulInterval[Z[elm]];row++) {
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tmp1[interval1++] = std::max(fSandiaTable[row][0]*keV,IonizationPot);
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}
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}
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//
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//sort the energies in strickly increasing values in a tmp2 array
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//(eliminate redondances)
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//
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G4double* tmp2 = new G4double[MaxIntervals];
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G4double Emin;
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G4int interval2 = 0;
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do {
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Emin = DBL_MAX;
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for (G4int i1=0; i1<MaxIntervals; i1++) {
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if (tmp1[i1] < Emin) Emin = tmp1[i1]; //find the minimum
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}
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if (Emin < DBL_MAX) tmp2[interval2++] = Emin; //copy Emin in tmp2
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for (G4int j1=0; j1<MaxIntervals; j1++) {
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if (tmp1[j1] <= Emin) tmp1[j1] = DBL_MAX; //eliminate from tmp1
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}
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} while (Emin < DBL_MAX);
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//
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//create the sandia matrix for this material
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//
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fMatSandiaMatrix = new G4OrderedTable();
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G4int interval;
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for (interval=0; interval<interval2; interval++) {
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fMatSandiaMatrix->push_back(new G4DataVector(5,0.));
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}
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//
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//ready to compute the Sandia coefs for the material
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//
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const G4double* NbOfAtomsPerVolume = fMaterial->GetVecNbOfAtomsPerVolume();
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const G4double prec = 1.e-03*eV;
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G4double coef, oldsum(0.), newsum(0.);
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fMatNbOfIntervals = 0;
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for (interval=0; interval<interval2; interval++) {
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Emin = (*(*fMatSandiaMatrix)[fMatNbOfIntervals])[0] = tmp2[interval];
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for (G4int k=1; k<5; k++) {
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(*(*fMatSandiaMatrix)[fMatNbOfIntervals])[k]=0.;
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}
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newsum = 0.;
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for (elm=0; elm<NbElm; elm++) {
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GetSandiaCofPerAtom(Z[elm], Emin+prec);
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for (G4int j=1; j<5; j++) {
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coef = NbOfAtomsPerVolume[elm]*fSandiaCofPerAtom[j-1];
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(*(*fMatSandiaMatrix)[fMatNbOfIntervals])[j] += coef;
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newsum += std::abs(coef);
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}
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}
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//check for null or redondant intervals
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if (newsum != oldsum) { oldsum = newsum; fMatNbOfIntervals++;}
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}
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delete [] Z;
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delete [] tmp1;
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delete [] tmp2;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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void G4SandiaTable::ComputeMatSandiaMatrixPAI()
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{
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G4int MaxIntervals = 0;
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G4int elm, c, i, j, jj, k, k1, k2, c1, n1;
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const G4int noElm = fMaterial->GetNumberOfElements();
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const G4ElementVector* ElementVector = fMaterial->GetElementVector();
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G4int* Z = new G4int[noElm]; //Atomic number
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for (elm = 0; elm<noElm; elm++)
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{
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Z[elm] = (G4int)(*ElementVector)[elm]->GetZ();
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MaxIntervals += fNbOfIntervals[Z[elm]];
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}
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fMaxInterval = MaxIntervals + 2;
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// G4cout<<"fMaxInterval = "<<fMaxInterval<<G4endl ;
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G4double* fPhotoAbsorptionCof0 = new G4double[fMaxInterval];
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G4double* fPhotoAbsorptionCof1 = new G4double[fMaxInterval];
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G4double* fPhotoAbsorptionCof2 = new G4double[fMaxInterval];
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G4double* fPhotoAbsorptionCof3 = new G4double[fMaxInterval];
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G4double* fPhotoAbsorptionCof4 = new G4double[fMaxInterval];
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for(c = 0 ; c<fMaxInterval ; c++) // just in case
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{
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fPhotoAbsorptionCof0[c] = 0. ;
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fPhotoAbsorptionCof1[c] = 0. ;
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fPhotoAbsorptionCof2[c] = 0. ;
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fPhotoAbsorptionCof3[c] = 0. ;
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fPhotoAbsorptionCof4[c] = 0. ;
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}
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c = 1 ;
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for(i = 0 ; i < noElm ; i++)
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{
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G4double I1 = fIonizationPotentials[Z[i]]*keV ; // First ionization
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n1 = 1 ; // potential in keV
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for(j = 1 ; j < Z[i] ; j++)
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{
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n1 += fNbOfIntervals[j] ;
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}
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G4int n2 = n1 + fNbOfIntervals[Z[i]] ;
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for(k1 = n1 ; k1 < n2 ; k1++)
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{
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if(I1 > fSandiaTable[k1][0])
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{
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continue ; // no ionization for energies smaller than I1 (first
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} // ionisation potential)
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break ;
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}
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G4int flag = 0 ;
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for(c1 = 1 ; c1 < c ; c1++)
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{
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if(fPhotoAbsorptionCof0[c1] == I1) // this value already has existed
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{
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flag = 1 ;
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break ;
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}
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}
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if(flag == 0)
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{
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fPhotoAbsorptionCof0[c] = I1 ;
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c++ ;
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}
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for(k2 = k1 ; k2 < n2 ; k2++)
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{
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flag = 0 ;
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for(c1 = 1 ; c1 < c ; c1++)
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{
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if(fPhotoAbsorptionCof0[c1] == fSandiaTable[k2][0])
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{
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flag = 1 ;
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break ;
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}
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}
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if(flag == 0)
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{
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fPhotoAbsorptionCof0[c] = fSandiaTable[k2][0] ;
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c++ ;
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}
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}
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} // end for(i)
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// sort out
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for(i = 1; i < c ; i++ )
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{
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for(j = i + 1 ; j < c; j++ )
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{
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if(fPhotoAbsorptionCof0[i] > fPhotoAbsorptionCof0[j])
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{
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G4double tmp = fPhotoAbsorptionCof0[i];
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fPhotoAbsorptionCof0[i] = fPhotoAbsorptionCof0[j];
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fPhotoAbsorptionCof0[j] = tmp ;
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}
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}
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}
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fMaxInterval = c ;
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const G4double* fractionW = fMaterial->GetFractionVector();
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for(i = 0 ; i < noElm; i++)
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{
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n1 = 1 ;
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G4double I1 = fIonizationPotentials[Z[i]]*keV ;
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for(j = 1 ; j < Z[i] ; j++)
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{
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n1 += fNbOfIntervals[j] ;
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}
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G4int n2 = n1 + fNbOfIntervals[Z[i]] - 1 ;
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for(k = n1 ; k < n2 ; k++)
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{
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G4double B1 = fSandiaTable[k][0];
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G4double B2 = fSandiaTable[k+1][0];
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for(G4int c = 1 ; c < fMaxInterval-1 ; c++)
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{
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G4double E1 = fPhotoAbsorptionCof0[c];
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G4double E2 = fPhotoAbsorptionCof0[c+1];
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if(B1 > E1 || B2 < E2 || E1 < I1)
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{
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continue ;
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}
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fPhotoAbsorptionCof1[c] += fSandiaTable[k][1]*fractionW[i] ;
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fPhotoAbsorptionCof2[c] += fSandiaTable[k][2]*fractionW[i] ;
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fPhotoAbsorptionCof3[c] += fSandiaTable[k][3]*fractionW[i] ;
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fPhotoAbsorptionCof4[c] += fSandiaTable[k][4]*fractionW[i] ;
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}
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}
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// Last interval
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fPhotoAbsorptionCof1[fMaxInterval-1] += fSandiaTable[k][1]*fractionW[i] ;
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fPhotoAbsorptionCof2[fMaxInterval-1] += fSandiaTable[k][2]*fractionW[i] ;
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fPhotoAbsorptionCof3[fMaxInterval-1] += fSandiaTable[k][3]*fractionW[i] ;
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fPhotoAbsorptionCof4[fMaxInterval-1] += fSandiaTable[k][4]*fractionW[i] ;
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} // for(i)
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c = 0 ; // Deleting of first intervals where all coefficients = 0
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do
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{
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c++ ;
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if( fPhotoAbsorptionCof1[c] != 0.0 ||
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fPhotoAbsorptionCof2[c] != 0.0 ||
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fPhotoAbsorptionCof3[c] != 0.0 ||
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fPhotoAbsorptionCof4[c] != 0.0 ) continue ;
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for(jj = 2 ; jj < fMaxInterval ; jj++)
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{
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fPhotoAbsorptionCof0[jj-1] = fPhotoAbsorptionCof0[jj];
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fPhotoAbsorptionCof1[jj-1] = fPhotoAbsorptionCof1[jj];
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fPhotoAbsorptionCof2[jj-1] = fPhotoAbsorptionCof2[jj];
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fPhotoAbsorptionCof3[jj-1] = fPhotoAbsorptionCof3[jj];
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fPhotoAbsorptionCof4[jj-1] = fPhotoAbsorptionCof4[jj];
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}
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fMaxInterval-- ;
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c-- ;
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}
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while(c < fMaxInterval - 1) ;
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// create the sandia matrix for this material
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fMatSandiaMatrixPAI = new G4OrderedTable();
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G4double density = fMaterial->GetDensity();
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for (i = 0; i < fMaxInterval; i++)
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{
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fMatSandiaMatrixPAI->push_back(new G4DataVector(5,0.));
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}
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for (i = 0; i < fMaxInterval; i++)
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{
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(*(*fMatSandiaMatrixPAI)[i])[0] = fPhotoAbsorptionCof0[i+1];
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(*(*fMatSandiaMatrixPAI)[i])[1] = fPhotoAbsorptionCof1[i+1]*density;
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(*(*fMatSandiaMatrixPAI)[i])[2] = fPhotoAbsorptionCof2[i+1]*density;
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(*(*fMatSandiaMatrixPAI)[i])[3] = fPhotoAbsorptionCof3[i+1]*density;
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(*(*fMatSandiaMatrixPAI)[i])[4] = fPhotoAbsorptionCof4[i+1]*density;
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}
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delete [] Z;
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delete [] fPhotoAbsorptionCof0;
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delete [] fPhotoAbsorptionCof1;
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delete [] fPhotoAbsorptionCof2;
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delete [] fPhotoAbsorptionCof3;
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delete [] fPhotoAbsorptionCof4;
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return;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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//
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// Methods for PAI model
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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G4SandiaTable::G4SandiaTable(G4int matIndex)
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{
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fMatSandiaMatrix = 0 ;
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fMatSandiaMatrixPAI = 0;
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fPhotoAbsorptionCof = 0 ;
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const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
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size_t numberOfMat = G4Material::GetNumberOfMaterials();
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if ( matIndex >= 0 && matIndex < G4int(numberOfMat) )
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{
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fMaterial = (*theMaterialTable)[matIndex];
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}
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else
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{
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G4Exception("G4SandiaTable::G4SandiaTable(G4int matIndex): wrong matIndex ");
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}
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ComputeMatTable();
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Bubble sorting of left energy interval in SandiaTable in ascening order
|
|
//
|
|
|
|
void
|
|
G4SandiaTable::SandiaSort(G4double** da ,
|
|
G4int sz )
|
|
{
|
|
for(G4int i = 1 ;i < sz ; i++ )
|
|
{
|
|
for(G4int j = i + 1 ;j < sz ; j++ )
|
|
{
|
|
if(da[i][0] > da[j][0])
|
|
{
|
|
SandiaSwap(da,i,j) ;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// SandiaIntervals
|
|
//
|
|
|
|
G4int
|
|
G4SandiaTable::SandiaIntervals(G4int Z[],
|
|
G4int el )
|
|
{
|
|
G4int c,i ;
|
|
|
|
fMaxInterval = 0 ;
|
|
|
|
for(i=0;i<el;i++)
|
|
{
|
|
fMaxInterval += fNbOfIntervals[Z[i]] ;
|
|
}
|
|
fMaxInterval += 2 ;
|
|
|
|
// G4cout<<"fMaxInterval = "<<fMaxInterval<<G4endl ;
|
|
|
|
fPhotoAbsorptionCof = new G4double* [fMaxInterval] ;
|
|
|
|
for(i = 0 ; i < fMaxInterval ; i++)
|
|
{
|
|
fPhotoAbsorptionCof[i] = new G4double[5] ;
|
|
}
|
|
|
|
|
|
// for(c = 0 ; c < fIntervalLimit ; c++) // just in case
|
|
|
|
for(c = 0 ; c < fMaxInterval ; c++) // just in case
|
|
{
|
|
fPhotoAbsorptionCof[c][0] = 0. ;
|
|
}
|
|
c = 1 ;
|
|
for(i = 0 ; i < el ; i++)
|
|
{
|
|
G4double I1 = fIonizationPotentials[Z[i]]*keV ; // First ionization
|
|
G4int n1 = 1 ; // potential in keV
|
|
G4int j, c1, k1, k2 ;
|
|
for(j = 1 ; j < Z[i] ; j++)
|
|
{
|
|
n1 += fNbOfIntervals[j] ;
|
|
}
|
|
G4int n2 = n1 + fNbOfIntervals[Z[i]] ;
|
|
|
|
for(k1 = n1 ; k1 < n2 ; k1++)
|
|
{
|
|
if(I1 > fSandiaTable[k1][0])
|
|
{
|
|
continue ; // no ionization for energies smaller than I1 (first
|
|
} // ionisation potential)
|
|
break ;
|
|
}
|
|
G4int flag = 0 ;
|
|
|
|
for(c1 = 1 ; c1 < c ; c1++)
|
|
{
|
|
if(fPhotoAbsorptionCof[c1][0] == I1) // this value already has existed
|
|
{
|
|
flag = 1 ;
|
|
break ;
|
|
}
|
|
}
|
|
if(flag == 0)
|
|
{
|
|
fPhotoAbsorptionCof[c][0] = I1 ;
|
|
c++ ;
|
|
}
|
|
for(k2 = k1 ; k2 < n2 ; k2++)
|
|
{
|
|
flag = 0 ;
|
|
for(c1 = 1 ; c1 < c ; c1++)
|
|
{
|
|
if(fPhotoAbsorptionCof[c1][0] == fSandiaTable[k2][0])
|
|
{
|
|
flag = 1 ;
|
|
break ;
|
|
}
|
|
}
|
|
if(flag == 0)
|
|
{
|
|
fPhotoAbsorptionCof[c][0] = fSandiaTable[k2][0] ;
|
|
c++ ;
|
|
}
|
|
}
|
|
} // end for(i)
|
|
|
|
SandiaSort(fPhotoAbsorptionCof,c) ;
|
|
fMaxInterval = c ;
|
|
return c ;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////
|
|
//
|
|
// SandiaMixing
|
|
//
|
|
|
|
G4int
|
|
G4SandiaTable::SandiaMixing( G4int Z[],
|
|
const G4double fractionW[],
|
|
G4int el,
|
|
G4int mi )
|
|
{
|
|
G4int i;
|
|
|
|
for(i = 0 ; i < mi ; i++)
|
|
{
|
|
for(G4int j = 1 ; j < 5 ; j++) fPhotoAbsorptionCof[i][j] = 0. ;
|
|
}
|
|
for(i = 0 ; i < el ; i++)
|
|
{
|
|
G4int n1 = 1 ;
|
|
G4int j, k ;
|
|
G4double I1 = fIonizationPotentials[Z[i]]*keV ;
|
|
for(j = 1 ; j < Z[i] ; j++)
|
|
{
|
|
n1 += fNbOfIntervals[j] ;
|
|
}
|
|
G4int n2 = n1 + fNbOfIntervals[Z[i]] - 1 ;
|
|
|
|
for(k = n1 ; k < n2 ; k++)
|
|
{
|
|
G4double B1 = fSandiaTable[k][0] ;
|
|
G4double B2 = fSandiaTable[k+1][0] ;
|
|
for(G4int c = 1 ; c < mi-1 ; c++)
|
|
{
|
|
G4double E1 = fPhotoAbsorptionCof[c][0] ;
|
|
G4double E2 = fPhotoAbsorptionCof[c+1][0] ;
|
|
if(B1 > E1 || B2 < E2 || E1 < I1)
|
|
{
|
|
continue ;
|
|
}
|
|
for(j = 1 ; j < 5 ; j++)
|
|
{
|
|
fPhotoAbsorptionCof[c][j] += fSandiaTable[k][j]*fractionW[i] ;
|
|
}
|
|
}
|
|
}
|
|
for(j = 1 ; j < 5 ; j++) // Last interval
|
|
{
|
|
fPhotoAbsorptionCof[mi-1][j] += fSandiaTable[k][j]*fractionW[i] ;
|
|
}
|
|
} // for(i)
|
|
G4int c = 0 ; // Deleting of first intervals where all coefficients = 0
|
|
do
|
|
{
|
|
c++ ;
|
|
if( fPhotoAbsorptionCof[c][1] != 0.0 ||
|
|
fPhotoAbsorptionCof[c][2] != 0.0 ||
|
|
fPhotoAbsorptionCof[c][3] != 0.0 ||
|
|
fPhotoAbsorptionCof[c][4] != 0.0 )
|
|
{
|
|
continue ;
|
|
}
|
|
for(G4int jj = 2 ; jj < mi ; jj++)
|
|
{
|
|
for(G4int kk = 0 ; kk < 5 ; kk++)
|
|
{
|
|
fPhotoAbsorptionCof[jj-1][kk]= fPhotoAbsorptionCof[jj][kk] ;
|
|
}
|
|
}
|
|
mi-- ;
|
|
c-- ;
|
|
}
|
|
while(c < mi - 1) ;
|
|
|
|
return mi ;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Sandia interval and mixing calculations for materialCutsCouple constructor
|
|
//
|
|
|
|
void G4SandiaTable::ComputeMatTable()
|
|
{
|
|
G4int MaxIntervals = 0;
|
|
G4int elm, c, i, j, jj, k, kk, k1, k2, c1, n1;
|
|
|
|
const G4int noElm = fMaterial->GetNumberOfElements();
|
|
const G4ElementVector* ElementVector = fMaterial->GetElementVector();
|
|
G4int* Z = new G4int[noElm]; //Atomic number
|
|
|
|
for (elm = 0; elm<noElm; elm++)
|
|
{
|
|
Z[elm] = (G4int)(*ElementVector)[elm]->GetZ();
|
|
MaxIntervals += fNbOfIntervals[Z[elm]];
|
|
}
|
|
fMaxInterval = 0 ;
|
|
|
|
for(i = 0; i < noElm; i++) fMaxInterval += fNbOfIntervals[Z[i]] ;
|
|
|
|
fMaxInterval += 2 ;
|
|
|
|
// G4cout<<"fMaxInterval = "<<fMaxInterval<<G4endl ;
|
|
|
|
fPhotoAbsorptionCof = new G4double* [fMaxInterval] ;
|
|
|
|
for(i = 0 ; i < fMaxInterval ; i++)
|
|
{
|
|
fPhotoAbsorptionCof[i] = new G4double[5] ;
|
|
}
|
|
|
|
// for(c = 0 ; c < fIntervalLimit ; c++) // just in case
|
|
|
|
for(c = 0 ; c < fMaxInterval ; c++) // just in case
|
|
{
|
|
fPhotoAbsorptionCof[c][0] = 0. ;
|
|
}
|
|
c = 1 ;
|
|
|
|
for(i = 0 ; i < noElm ; i++)
|
|
{
|
|
G4double I1 = fIonizationPotentials[Z[i]]*keV ; // First ionization
|
|
n1 = 1 ; // potential in keV
|
|
|
|
for(j = 1 ; j < Z[i] ; j++)
|
|
{
|
|
n1 += fNbOfIntervals[j] ;
|
|
}
|
|
G4int n2 = n1 + fNbOfIntervals[Z[i]] ;
|
|
|
|
for(k1 = n1 ; k1 < n2 ; k1++)
|
|
{
|
|
if(I1 > fSandiaTable[k1][0])
|
|
{
|
|
continue ; // no ionization for energies smaller than I1 (first
|
|
} // ionisation potential)
|
|
break ;
|
|
}
|
|
G4int flag = 0 ;
|
|
|
|
for(c1 = 1 ; c1 < c ; c1++)
|
|
{
|
|
if(fPhotoAbsorptionCof[c1][0] == I1) // this value already has existed
|
|
{
|
|
flag = 1 ;
|
|
break ;
|
|
}
|
|
}
|
|
if(flag == 0)
|
|
{
|
|
fPhotoAbsorptionCof[c][0] = I1 ;
|
|
c++ ;
|
|
}
|
|
for(k2 = k1 ; k2 < n2 ; k2++)
|
|
{
|
|
flag = 0 ;
|
|
|
|
for(c1 = 1 ; c1 < c ; c1++)
|
|
{
|
|
if(fPhotoAbsorptionCof[c1][0] == fSandiaTable[k2][0])
|
|
{
|
|
flag = 1 ;
|
|
break ;
|
|
}
|
|
}
|
|
if(flag == 0)
|
|
{
|
|
fPhotoAbsorptionCof[c][0] = fSandiaTable[k2][0] ;
|
|
c++ ;
|
|
}
|
|
}
|
|
} // end for(i)
|
|
|
|
SandiaSort(fPhotoAbsorptionCof,c) ;
|
|
fMaxInterval = c ;
|
|
|
|
const G4double* fractionW = fMaterial->GetFractionVector();
|
|
|
|
for(i = 0 ; i < fMaxInterval ; i++)
|
|
{
|
|
for(j = 1 ; j < 5 ; j++) fPhotoAbsorptionCof[i][j] = 0.;
|
|
}
|
|
for(i = 0 ; i < noElm; i++)
|
|
{
|
|
n1 = 1 ;
|
|
G4double I1 = fIonizationPotentials[Z[i]]*keV ;
|
|
|
|
for(j = 1 ; j < Z[i] ; j++)
|
|
{
|
|
n1 += fNbOfIntervals[j] ;
|
|
}
|
|
G4int n2 = n1 + fNbOfIntervals[Z[i]] - 1 ;
|
|
|
|
for(k = n1 ; k < n2 ; k++)
|
|
{
|
|
G4double B1 = fSandiaTable[k][0] ;
|
|
G4double B2 = fSandiaTable[k+1][0] ;
|
|
for(G4int c = 1 ; c < fMaxInterval-1 ; c++)
|
|
{
|
|
G4double E1 = fPhotoAbsorptionCof[c][0] ;
|
|
G4double E2 = fPhotoAbsorptionCof[c+1][0] ;
|
|
if(B1 > E1 || B2 < E2 || E1 < I1)
|
|
{
|
|
continue ;
|
|
}
|
|
for(j = 1 ; j < 5 ; j++)
|
|
{
|
|
fPhotoAbsorptionCof[c][j] += fSandiaTable[k][j]*fractionW[i] ;
|
|
}
|
|
}
|
|
}
|
|
for(j = 1 ; j < 5 ; j++) // Last interval
|
|
{
|
|
fPhotoAbsorptionCof[fMaxInterval-1][j] += fSandiaTable[k][j]*fractionW[i] ;
|
|
}
|
|
} // for(i)
|
|
|
|
c = 0 ; // Deleting of first intervals where all coefficients = 0
|
|
|
|
do
|
|
{
|
|
c++ ;
|
|
|
|
if( fPhotoAbsorptionCof[c][1] != 0.0 ||
|
|
fPhotoAbsorptionCof[c][2] != 0.0 ||
|
|
fPhotoAbsorptionCof[c][3] != 0.0 ||
|
|
fPhotoAbsorptionCof[c][4] != 0.0 ) continue ;
|
|
|
|
for(jj = 2 ; jj < fMaxInterval ; jj++)
|
|
{
|
|
for(kk = 0 ; kk < 5 ; kk++)
|
|
{
|
|
fPhotoAbsorptionCof[jj-1][kk]= fPhotoAbsorptionCof[jj][kk] ;
|
|
}
|
|
}
|
|
fMaxInterval-- ;
|
|
c-- ;
|
|
}
|
|
while(c < fMaxInterval - 1) ;
|
|
|
|
// create the sandia matrix for this material
|
|
|
|
fMatSandiaMatrix = new G4OrderedTable();
|
|
|
|
for (i = 0; i < fMaxInterval; i++)
|
|
{
|
|
fMatSandiaMatrix->push_back(new G4DataVector(5,0.));
|
|
}
|
|
for (i = 0; i < fMaxInterval; i++)
|
|
{
|
|
for(j = 0 ; j < 5 ; j++)
|
|
{
|
|
(*(*fMatSandiaMatrix)[i])[j] = fPhotoAbsorptionCof[i+1][j];
|
|
}
|
|
}
|
|
delete [] Z;
|
|
return ;
|
|
}
|
|
|
|
// G4SandiaTable class -- end of implementation file
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
|