169 lines
5.7 KiB
C++
169 lines
5.7 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * 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. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
// $Id: TiaraDPSSampledEnergy.cc,v 1.9 2006/06/29 15:44:48 gunter Exp $
|
|
// GEANT4 tag $Name: geant4-08-01 $
|
|
//
|
|
|
|
#include "TiaraDPSSampledEnergy.hh"
|
|
|
|
#ifdef G4ANALYSIS_USE
|
|
|
|
#include "Randomize.hh"
|
|
#include "TiaraFileAcess.hh"
|
|
|
|
|
|
#include "AIDA/AIDA.h"
|
|
|
|
|
|
TiaraDPSSampledEnergy::TiaraDPSSampledEnergy(const G4String &eng,
|
|
G4double minEnergyCut,
|
|
const G4String &sourceTree,
|
|
const G4String &nameExt)
|
|
:
|
|
// fTree( (checkFileIsReadable(sourceTree, "TiaraDPSSampledEnergy::TiaraDPSSampledEnergy"),
|
|
// AIDA_createAnalysisFactory()
|
|
// ->createTreeFactory()
|
|
// ->create(sourceTree, "xml",true,false)) ),
|
|
//fSampleDPS(dynamic_cast<AIDA::IDataPointSet *>(fTree->find(G4String("dps" + eng + nameExt)))),
|
|
fMinEnergyCut(minEnergyCut),
|
|
fMaxProb(0)
|
|
// fMinE(fSampleDPS->point(0)->coordinate(0)->value()),
|
|
//fMaxE(fSampleDPS->point(fSampleDPS->size()-1)->coordinate(0)->value())
|
|
{
|
|
/////////////////////////////////////////
|
|
|
|
AIDA::IAnalysisFactory* aFact = AIDA_createAnalysisFactory();
|
|
|
|
AIDA::ITreeFactory *treeFact = aFact->createTreeFactory();
|
|
|
|
fTree = treeFact -> create(sourceTree, "xml",true,false);
|
|
|
|
AIDA::IManagedObject* object = fTree->find("dps" + eng + nameExt);
|
|
if(object) {
|
|
AIDA::IDataPointSet* sample = object->cast("AIDA::IDataPointSet");
|
|
fSampleDPS = sample;
|
|
}
|
|
fMinE = fSampleDPS->point(0)->coordinate(0)->value();
|
|
fMaxE = fSampleDPS->point(fSampleDPS->size()-1)->coordinate(0)->value();
|
|
|
|
/////////////////////////////////////////
|
|
|
|
for (G4int i=0; i < fSampleDPS->size(); i++) {
|
|
AIDA::IDataPoint *p = fSampleDPS->point(i);
|
|
G4double prob(p->coordinate(1)->value());
|
|
fEnergy_Flux[p->coordinate(0)->value() * 10] = prob;
|
|
if (prob > fMaxProb) {
|
|
fMaxProb = prob;
|
|
}
|
|
}
|
|
if (!(fMaxProb > 0)) {
|
|
G4Exception("TiaraDPSSampledEnergy::TiaraDPSSampledEnergy: fMaxProb <= 0!");
|
|
}
|
|
}
|
|
|
|
TiaraDPSSampledEnergy::TiaraDPSSampledEnergy(const TiaraDPSSampledEnergy& rhs)
|
|
: TiaraVSourceEnergyGenerator()
|
|
{
|
|
*this = rhs;
|
|
}
|
|
|
|
TiaraDPSSampledEnergy& TiaraDPSSampledEnergy::
|
|
operator=(const TiaraDPSSampledEnergy& rhs) {
|
|
if (this!=&rhs) {
|
|
TiaraDPSSampledEnergy &nonConstRhs = static_cast<TiaraDPSSampledEnergy &>(rhs);
|
|
fTree = nonConstRhs.fTree;
|
|
fSampleDPS = nonConstRhs.fSampleDPS;
|
|
fEnergy_Flux = nonConstRhs.fEnergy_Flux;
|
|
fMinEnergyCut = nonConstRhs.fMinEnergyCut;
|
|
fMaxProb = nonConstRhs.fMaxProb;
|
|
fMinE = nonConstRhs.fMinE;
|
|
fMaxE = nonConstRhs.fMaxE;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
TiaraDPSSampledEnergy::~TiaraDPSSampledEnergy(){
|
|
}
|
|
|
|
|
|
TiaraVSourceEnergyGenerator *TiaraDPSSampledEnergy::Clone() const {
|
|
return new TiaraDPSSampledEnergy(*this);
|
|
}
|
|
|
|
G4double TiaraDPSSampledEnergy::GetEnergy() {
|
|
|
|
G4double e(0.0);
|
|
while (!(e>fMinEnergyCut)) {
|
|
// a factor 10 is introduced to have an integer map
|
|
// for .5 values
|
|
G4double r(10 * (fMinE + G4UniformRand() * (fMaxE - fMinE) ));
|
|
G4int cLow(0);
|
|
G4int cHigh(0);
|
|
getBounds(cLow,cHigh,r);
|
|
G4double dx10(r-cLow); // a facto 10 enters
|
|
|
|
G4double fLow(fEnergy_Flux[cLow]);
|
|
G4double fHigh(fEnergy_Flux[cHigh]);
|
|
|
|
// if ( (!(fLow>0.0)) || (!(fHigh>0.0)) ) {
|
|
// G4cout << "TiaraDPSSampledEnergy::GetEnergy: WARNING: (!(fLow>0.0) || (!(fHigh>0.0) " << G4endl;
|
|
// G4cout << "r: " << r << G4endl;
|
|
// G4cout << "d: " << d << G4endl;
|
|
// G4cout << "cLow: " << cLow << G4endl;
|
|
// G4cout << "cHigh: " << cHigh << G4endl;
|
|
// }
|
|
// G4cout << "fLow: " << fLow << ", fHigh: " << fHigh << G4endl;
|
|
|
|
G4double dy(fHigh - fLow);
|
|
G4double m01(dy/(cHigh-cLow)); // a factor 1/10 enters
|
|
G4double p((fLow + m01*dx10)/fMaxProb);
|
|
// G4cout << "p: " << p << G4endl;
|
|
G4double discard(G4UniformRand());
|
|
// G4cout << "discard: " << discard << G4endl;
|
|
if (discard < p) {
|
|
e = r/10.;
|
|
break;
|
|
}
|
|
}
|
|
return e;
|
|
}
|
|
|
|
void TiaraDPSSampledEnergy::getBounds(G4int &cL, G4int &cH, G4double v) {
|
|
std::map<int, double>::iterator itH = fEnergy_Flux.upper_bound(v);
|
|
cH = itH->first;
|
|
std::map<int, double>::iterator itL = --itH;
|
|
cL = itL->first;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|