129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// **********************************************************************
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// * *
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// * GEANT 4 xray_telescope advanced example *
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// * *
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// * MODULE: XrayTelStepCut.hh *
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// * ------- *
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// * *
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// * Version: 0.4 *
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// * Date: 06/11/00 *
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// * Author: R Nartallo *
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// * Organisation: ESA/ESTEC, Noordwijk, THe Netherlands *
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// * *
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// **********************************************************************
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//
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// CHANGE HISTORY
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// --------------
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//
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// 06.11.2000 R.Nartallo
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// - First implementation of X-ray Telescope advanced example.
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// - Based on Chandra and XMM models
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//
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//
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// **********************************************************************
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#ifndef XrayTelStepCut_h
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#define XrayTelStepCut_h 1
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#include "G4ios.hh"
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#include "G4VDiscreteProcess.hh"
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#include "G4Step.hh"
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#include "globals.hh"
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class XrayTelStepCut : public G4VDiscreteProcess
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{
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public:
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XrayTelStepCut(const G4String& processName ="UserStepCut" );
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XrayTelStepCut(XrayTelStepCut &);
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~XrayTelStepCut();
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G4double PostStepGetPhysicalInteractionLength(
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const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition
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);
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G4VParticleChange* PostStepDoIt(
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const G4Track& ,
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const G4Step&
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);
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void SetMaxStep(G4double);
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protected:
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// it is not needed here !
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G4double GetMeanFreePath(const G4Track& aTrack,
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G4double previousStepSize,
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G4ForceCondition* condition
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);
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private:
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// hide assignment operator as private
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XrayTelStepCut & operator=(const XrayTelStepCut &right);
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private:
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G4double MaxChargedStep ;
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};
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// inlined function members implementation
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#include "G4Step.hh"
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#include "G4Track.hh"
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#include "G4UserLimits.hh"
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#include "G4VParticleChange.hh"
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#include "G4EnergyLossTables.hh"
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inline G4double XrayTelStepCut::PostStepGetPhysicalInteractionLength(
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const G4Track& aTrack,
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G4double previousStepSize,
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G4ForceCondition* condition
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)
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{
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// condition is set to "Not Forced"
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*condition = NotForced;
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G4double ProposedStep = DBL_MAX;
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if((MaxChargedStep > 0.) &&
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(aTrack.GetVolume() != NULL) &&
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(aTrack.GetVolume()->GetName() == "Absorber") &&
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(aTrack.GetDynamicParticle()->GetDefinition()->GetPDGCharge() != 0.))
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ProposedStep = MaxChargedStep ;
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return ProposedStep;
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}
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inline G4VParticleChange* XrayTelStepCut::PostStepDoIt(
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const G4Track& aTrack,
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const G4Step&
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)
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{
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// do nothing
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aParticleChange.Initialize(aTrack);
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return &aParticleChange;
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}
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inline G4double XrayTelStepCut::GetMeanFreePath(const G4Track& aTrack,
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G4double previousStepSize,
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G4ForceCondition* condition
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)
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{
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return 0.;
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}
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#endif
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