Gabriele Cosmo
248 lines
9.0 KiB
C++
248 lines
9.0 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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// $Id$
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//
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// // G4PSCylinderSurfaceFlux
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#include "G4PSCylinderSurfaceFlux.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4StepStatus.hh"
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#include "G4Track.hh"
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#include "G4VSolid.hh"
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#include "G4VPhysicalVolume.hh"
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#include "G4VPVParameterisation.hh"
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#include "G4UnitsTable.hh"
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#include "G4GeometryTolerance.hh"
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// ////////////////////////////////////////////////////////////////////////////////
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// (Description)
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// This is a primitive scorer class for scoring Surface Flux.
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// Current version assumes only for G4Tubs shape, and the surface
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// is fixed on inner plane of the tube.
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//
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// Surface is defined at the innner surface of the tube.
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// Direction R R+dR
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// 0 IN || OUT ->|<- |
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// 1 IN ->| |
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// 2 OUT |<- |
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//
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// Created: 2007-03-29 Tsukasa ASO
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// 2010-07-22 Introduce Unit specification.
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// 2010-07-22 Add weighted and divideByArea options
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// 2011-02-21 Get correct momentum direction in Flux_Out.
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///////////////////////////////////////////////////////////////////////////////
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G4PSCylinderSurfaceFlux::G4PSCylinderSurfaceFlux(G4String name,
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G4int direction, G4int depth)
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: G4VPrimitiveScorer(name,depth),HCID(-1),fDirection(direction),
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weighted(true),divideByArea(true)
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{
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DefineUnitAndCategory();
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SetUnit("percm2");
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}
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G4PSCylinderSurfaceFlux::G4PSCylinderSurfaceFlux(G4String name,
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G4int direction,
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const G4String& unit,
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G4int depth)
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: G4VPrimitiveScorer(name,depth),HCID(-1),fDirection(direction),
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weighted(true),divideByArea(true)
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{
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DefineUnitAndCategory();
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SetUnit(unit);
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}
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G4PSCylinderSurfaceFlux::~G4PSCylinderSurfaceFlux()
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{;}
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G4bool G4PSCylinderSurfaceFlux::ProcessHits(G4Step* aStep,G4TouchableHistory*)
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{
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G4StepPoint* preStep = aStep->GetPreStepPoint();
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G4VPhysicalVolume* physVol = preStep->GetPhysicalVolume();
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G4VPVParameterisation* physParam = physVol->GetParameterisation();
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G4VSolid * solid = 0;
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if(physParam)
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{ // for parameterized volume
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G4int idx = ((G4TouchableHistory*)(aStep->GetPreStepPoint()->GetTouchable()))
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->GetReplicaNumber(indexDepth);
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solid = physParam->ComputeSolid(idx, physVol);
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solid->ComputeDimensions(physParam,idx,physVol);
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}
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else
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{ // for ordinary volume
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solid = physVol->GetLogicalVolume()->GetSolid();
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}
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G4Tubs* tubsSolid = (G4Tubs*)(solid);
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G4int dirFlag =IsSelectedSurface(aStep,tubsSolid);
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if ( dirFlag > 0 ){
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if (fDirection == fFlux_InOut || dirFlag == fDirection ){
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G4StepPoint* thisStep=0;
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if ( dirFlag == fFlux_In ){
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thisStep = preStep;
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}else if ( dirFlag == fFlux_Out ){
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thisStep = aStep->GetPostStepPoint();
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}else{
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return FALSE;
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}
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G4TouchableHandle theTouchable = thisStep->GetTouchableHandle();
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G4ThreeVector pdirection = thisStep->GetMomentumDirection();
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G4ThreeVector localdir =
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theTouchable->GetHistory()->GetTopTransform().TransformAxis(pdirection);
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G4ThreeVector position = thisStep->GetPosition();
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G4ThreeVector localpos =
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theTouchable->GetHistory()->GetTopTransform().TransformAxis(position);
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G4double angleFactor = (localdir.x()*localpos.x()+localdir.y()*localpos.y())
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/std::sqrt(localdir.x()*localdir.x()
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+localdir.y()*localdir.y()+localdir.z()*localdir.z())
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/std::sqrt(localpos.x()*localpos.x()+localpos.y()*localpos.y());
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if ( angleFactor < 0 ) angleFactor *= -1.;
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G4double square = 2.*tubsSolid->GetZHalfLength()
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*tubsSolid->GetInnerRadius()* tubsSolid->GetDeltaPhiAngle()/radian;
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G4double flux = 1.0;
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if ( weighted ) flux *=preStep->GetWeight();
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// Current (Particle Weight)
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flux = flux/angleFactor;
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if ( divideByArea ) flux /= square;
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//Flux with angle.
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G4int index = GetIndex(aStep);
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EvtMap->add(index,flux);
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return TRUE;
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}else{
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return FALSE;
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}
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}else{
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return FALSE;
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}
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}
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G4int G4PSCylinderSurfaceFlux::IsSelectedSurface(G4Step* aStep, G4Tubs* tubsSolid){
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G4TouchableHandle theTouchable =
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aStep->GetPreStepPoint()->GetTouchableHandle();
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G4double kCarTolerance = G4GeometryTolerance::GetInstance()->GetSurfaceTolerance();
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if (aStep->GetPreStepPoint()->GetStepStatus() == fGeomBoundary ){
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// Entering Geometry
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G4ThreeVector stppos1= aStep->GetPreStepPoint()->GetPosition();
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G4ThreeVector localpos1 =
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theTouchable->GetHistory()->GetTopTransform().TransformPoint(stppos1);
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if ( std::fabs(localpos1.z()) > tubsSolid->GetZHalfLength() ) return -1;
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//if(std::fabs( localpos1.x()*localpos1.x()+localpos1.y()*localpos1.y()
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// - (tubsSolid->GetInnerRadius()*tubsSolid->GetInnerRadius()))
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// <kCarTolerance ){
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G4double localR2 = localpos1.x()*localpos1.x()+localpos1.y()*localpos1.y();
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G4double InsideRadius = tubsSolid->GetInnerRadius();
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if (localR2 > (InsideRadius-kCarTolerance)*(InsideRadius-kCarTolerance)
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&&localR2 < (InsideRadius+kCarTolerance)*(InsideRadius+kCarTolerance)){
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return fFlux_In;
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}
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}
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if (aStep->GetPostStepPoint()->GetStepStatus() == fGeomBoundary ){
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// Exiting Geometry
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G4ThreeVector stppos2= aStep->GetPostStepPoint()->GetPosition();
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G4ThreeVector localpos2 =
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theTouchable->GetHistory()->GetTopTransform().TransformPoint(stppos2);
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if ( std::fabs(localpos2.z()) > tubsSolid->GetZHalfLength() ) return -1;
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//if(std::fabs( localpos2.x()*localpos2.x()+localpos2.y()*localpos2.y()
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// - (tubsSolid->GetInnerRadius()*tubsSolid->GetInnerRadius()))
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// <kCarTolerance ){
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G4double localR2 = localpos2.x()*localpos2.x()+localpos2.y()*localpos2.y();
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G4double InsideRadius = tubsSolid->GetInnerRadius();
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if (localR2 > (InsideRadius-kCarTolerance)*(InsideRadius-kCarTolerance)
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&&localR2 < (InsideRadius+kCarTolerance)*(InsideRadius+kCarTolerance)){
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return fFlux_Out;
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}
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}
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return -1;
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}
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void G4PSCylinderSurfaceFlux::Initialize(G4HCofThisEvent* HCE)
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{
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EvtMap = new G4THitsMap<G4double>(GetMultiFunctionalDetector()->GetName(),
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GetName());
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if ( HCID < 0 ) HCID = GetCollectionID(0);
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HCE->AddHitsCollection(HCID, (G4VHitsCollection*)EvtMap);
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}
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void G4PSCylinderSurfaceFlux::EndOfEvent(G4HCofThisEvent*)
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{;}
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void G4PSCylinderSurfaceFlux::clear(){
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EvtMap->clear();
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}
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void G4PSCylinderSurfaceFlux::DrawAll()
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{;}
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void G4PSCylinderSurfaceFlux::PrintAll()
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{
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G4cout << " MultiFunctionalDet " << detector->GetName() << G4endl;
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G4cout << " PrimitiveScorer" << GetName() <<G4endl;
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G4cout << " Number of entries " << EvtMap->entries() << G4endl;
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std::map<G4int,G4double*>::iterator itr = EvtMap->GetMap()->begin();
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for(; itr != EvtMap->GetMap()->end(); itr++) {
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G4cout << " copy no.: " << itr->first
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<< " flux : " << *(itr->second)/GetUnitValue()
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<< " ["<<GetUnit()<<"]"
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<< G4endl;
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}
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}
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void G4PSCylinderSurfaceFlux::SetUnit(const G4String& unit)
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{
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if ( divideByArea ) {
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CheckAndSetUnit(unit,"Per Unit Surface");
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} else {
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if (unit == "" ){
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unitName = unit;
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unitValue = 1.0;
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}else{
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G4String msg = "Invalid unit ["+unit+"] (Current unit is [" +GetUnit()+"] ) for " + GetName();
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G4Exception("G4PSCylinderSurfaceFlux::SetUnit","DetPS0003",JustWarning,msg);
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}
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}
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}
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void G4PSCylinderSurfaceFlux::DefineUnitAndCategory(){
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// Per Unit Surface
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new G4UnitDefinition("percentimeter2","percm2","Per Unit Surface",(1./cm2));
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new G4UnitDefinition("permillimeter2","permm2","Per Unit Surface",(1./mm2));
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new G4UnitDefinition("permeter2","perm2","Per Unit Surface",(1./m2));
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}
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