Gabriele Cosmo
1792 lines
76 KiB
Plaintext
1792 lines
76 KiB
Plaintext
//
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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: G4ITNavigator.cc,v 1.46 2010-11-15 14:03:27 gcosmo Exp $
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// GEANT4 tag $ Name: $
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//
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// class G4ITNavigator Implementation
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//
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// Original author: Paul Kent, July 95/96
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//
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// G4ITNavigator is a duplicate version of G4Navigator starting from Geant4.9.5
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// initially written by Paul Kent and colleagues.
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// The only difference resides in the way the information is saved and managed
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//
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// --------------------------------------------------------------------
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#include "G4ITNavigator.hh"
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#include "G4ios.hh"
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#include <iomanip>
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#include "G4GeometryTolerance.hh"
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#include "G4VPhysicalVolume.hh"
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#define G4DEBUG_NAVIGATION 1
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// ********************************************************************
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// Constructor
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// ********************************************************************
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//
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G4ITNavigator::G4ITNavigator()
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: G4Navigator(), fVerbose(0),
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fTopPhysical(0), fCheck(false), fWarnPush(true)
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{
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fActive= false;
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fActionThreshold_NoZeroSteps = 10;
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fAbandonThreshold_NoZeroSteps = 25;
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kCarTolerance = G4GeometryTolerance::GetInstance()->GetSurfaceTolerance();
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fregularNav.SetNormalNavigation( &fnormalNav );
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fpNavigatorState = 0;
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CheckMode(true);
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// this->SetVerboseLevel(3);
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// this->CheckMode(true);
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}
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// !>
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G4ITNavigator::G4NavigatorState::G4NavigatorState() : G4ITNavigatorState_Lock()
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{
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Reset();
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}
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void G4ITNavigator::G4NavigatorState::Reset()
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{
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fHistory.Reset();
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fLastTriedStepComputation= false;
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fWasLimitedByGeometry = false;
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fEntering = false;
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fExiting = false;
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fLocatedOnEdge = false;
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fLastStepWasZero = false;
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fEnteredDaughter = false;
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fExitedMother = false;
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fPushed = false;
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fValidExitNormal = false;
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fExitNormal = G4ThreeVector(0,0,0);
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fPreviousSftOrigin = G4ThreeVector(0,0,0);
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fPreviousSafety = 0.0;
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fNumberZeroSteps = 0;
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fStepEndPoint = G4ThreeVector( kInfinity, kInfinity, kInfinity );
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fLastStepEndPointLocal = G4ThreeVector( kInfinity, kInfinity, kInfinity );
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fpBlockedPhysicalVolume = 0;
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fBlockedReplicaNo = -1;
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fLastLocatedPointLocal = G4ThreeVector( kInfinity, -kInfinity, 0.0 );
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fLocatedOutsideWorld = false;
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}
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G4ITNavigator::G4NavigatorState::G4NavigatorState(const G4NavigatorState& rhs) : G4ITNavigatorState_Lock()
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{
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fExitNormal = rhs.fExitNormal;
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fValidExitNormal = rhs.fValidExitNormal;
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fExiting = rhs.fExiting;
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fEntering = rhs.fEntering;
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fpBlockedPhysicalVolume = rhs.fpBlockedPhysicalVolume;
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fBlockedReplicaNo = rhs.fBlockedReplicaNo,
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fLastStepWasZero = rhs.fLastStepWasZero;
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fPreviousSftOrigin = rhs.fPreviousSftOrigin;
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fPreviousSafety = rhs.fPreviousSafety;
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fNumberZeroSteps = rhs.fNumberZeroSteps;
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fLocatedOnEdge = rhs.fLocatedOnEdge;
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fWasLimitedByGeometry= rhs.fWasLimitedByGeometry;
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fPushed=rhs.fPushed;
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fNumberZeroSteps=rhs.fNumberZeroSteps;
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fEnteredDaughter = rhs.fEnteredDaughter;
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fExitedMother = rhs.fExitedMother;
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fLastLocatedPointLocal = rhs.fLastLocatedPointLocal;
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fLocatedOutsideWorld = rhs.fLocatedOutsideWorld;
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}
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G4ITNavigator::G4NavigatorState& G4ITNavigator::G4NavigatorState::operator=(const G4NavigatorState& rhs)
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{
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if(this == &rhs) return *this;
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fExitNormal = rhs.fExitNormal;
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fValidExitNormal = rhs.fValidExitNormal;
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fExiting = rhs.fExiting;
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fEntering = rhs.fEntering;
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fpBlockedPhysicalVolume = rhs.fpBlockedPhysicalVolume;
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fBlockedReplicaNo = rhs.fBlockedReplicaNo,
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fLastStepWasZero = rhs.fLastStepWasZero;
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fPreviousSftOrigin = rhs.fPreviousSftOrigin;
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fPreviousSafety = rhs.fPreviousSafety;
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fNumberZeroSteps = rhs.fNumberZeroSteps;
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fLocatedOnEdge = rhs.fLocatedOnEdge;
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fWasLimitedByGeometry= rhs.fWasLimitedByGeometry;
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fPushed=rhs.fPushed;
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fNumberZeroSteps=rhs.fNumberZeroSteps;
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fEnteredDaughter = rhs.fEnteredDaughter;
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fExitedMother = rhs.fExitedMother;
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fLastLocatedPointLocal = rhs.fLastLocatedPointLocal;
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fLocatedOutsideWorld = rhs.fLocatedOutsideWorld;
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return *this;
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}
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// <!
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// ********************************************************************
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// Destructor
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// ********************************************************************
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//
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G4ITNavigator::~G4ITNavigator()
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{;}
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// ********************************************************************
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// ResetHierarchyAndLocate
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// ********************************************************************
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//
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G4VPhysicalVolume*
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G4ITNavigator::ResetHierarchyAndLocate(const G4ThreeVector & p,
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const G4ThreeVector & direction,
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const G4TouchableHistory & h)
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{
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fpNavigatorState->fHistory = *h.GetHistory();
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SetupHierarchy();
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fpNavigatorState->fLastTriedStepComputation= false; // Redundant, but best
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return LocateGlobalPointAndSetup(p, &direction, true, false);
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}
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// ********************************************************************
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// LocateGlobalPointAndSetup
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//
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// Locate the point in the hierarchy return 0 if outside
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// The direction is required
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// - if on an edge shared by more than two surfaces
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// (to resolve likely looping in tracking)
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// - at initial location of a particle
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// (to resolve potential ambiguity at boundary)
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//
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// Flags on exit: (comments to be completed)
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// fpNavigatorState->fEntering - True if entering `daughter' volume (or replica)
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// whether daughter of last mother directly
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// or daughter of that volume's ancestor.
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// ********************************************************************
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//
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G4VPhysicalVolume*
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G4ITNavigator::LocateGlobalPointAndSetup( const G4ThreeVector& globalPoint,
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const G4ThreeVector* pGlobalDirection,
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const G4bool relativeSearch,
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const G4bool ignoreDirection )
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{
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CheckNavigatorStateIsValid();
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G4bool notKnownContained=true, noResult;
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G4VPhysicalVolume *targetPhysical;
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G4LogicalVolume *targetLogical;
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G4VSolid *targetSolid=0;
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G4ThreeVector localPoint, globalDirection;
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EInside insideCode;
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G4bool considerDirection = (!ignoreDirection) || fpNavigatorState->fLocatedOnEdge;
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fpNavigatorState->fLastTriedStepComputation= false;
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if( considerDirection && pGlobalDirection != 0 )
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{
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globalDirection=*pGlobalDirection;
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}
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#ifdef G4VERBOSE
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if( fVerbose > 2 )
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{
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G4int oldcoutPrec = G4cout.precision(8);
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G4cout << "*** G4ITNavigator::LocateGlobalPointAndSetup: ***" << G4endl;
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G4cout << " Called with arguments: " << G4endl
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<< " Globalpoint = " << globalPoint << G4endl
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<< " RelativeSearch = " << relativeSearch << G4endl;
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if( fVerbose == 4 )
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{
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G4cout << " ----- Upon entering:" << G4endl;
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PrintState();
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}
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G4cout.precision(oldcoutPrec);
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}
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#endif
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if ( !relativeSearch )
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{
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fpNavigatorState->Reset();
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// ResetStackAndState();
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}
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else
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{
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if ( fpNavigatorState->fWasLimitedByGeometry )
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{
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fpNavigatorState->fWasLimitedByGeometry = false;
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fpNavigatorState->fEnteredDaughter = fpNavigatorState->fEntering; // Remember
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fpNavigatorState->fExitedMother = fpNavigatorState->fExiting; // Remember
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if ( fpNavigatorState->fExiting )
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{
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if ( fpNavigatorState->fHistory.GetDepth() )
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{
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fpNavigatorState->fpBlockedPhysicalVolume = fpNavigatorState->fHistory.GetTopVolume();
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fpNavigatorState->fBlockedReplicaNo = fpNavigatorState->fHistory.GetTopReplicaNo();
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fpNavigatorState->fHistory.BackLevel();
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}
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else
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{
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fpNavigatorState->fLastLocatedPointLocal = localPoint;
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fpNavigatorState->fLocatedOutsideWorld = true;
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return 0; // Have exited world volume
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}
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// A fix for the case where a volume is "entered" at an edge
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// and a coincident surface exists outside it.
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// - This stops it from exiting further volumes and cycling
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// - However ReplicaNavigator treats this case itself
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//
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if ( fpNavigatorState->fLocatedOnEdge && (VolumeType(fpNavigatorState->fpBlockedPhysicalVolume)!=kReplica ))
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{
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fpNavigatorState->fExiting= false;
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}
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}
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else
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if ( fpNavigatorState->fEntering )
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{
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switch (VolumeType(fpNavigatorState->fpBlockedPhysicalVolume))
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{
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case kNormal:
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fpNavigatorState->fHistory.NewLevel(fpNavigatorState->fpBlockedPhysicalVolume, kNormal,
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fpNavigatorState->fpBlockedPhysicalVolume->GetCopyNo());
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break;
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case kReplica:
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freplicaNav.ComputeTransformation(fpNavigatorState->fBlockedReplicaNo,
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fpNavigatorState->fpBlockedPhysicalVolume);
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fpNavigatorState->fHistory.NewLevel(fpNavigatorState->fpBlockedPhysicalVolume, kReplica,
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fpNavigatorState->fBlockedReplicaNo);
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fpNavigatorState->fpBlockedPhysicalVolume->SetCopyNo(fpNavigatorState->fBlockedReplicaNo);
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break;
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case kParameterised:
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if( fpNavigatorState->fpBlockedPhysicalVolume->GetRegularStructureId() == 0 )
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{
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G4VSolid *pSolid;
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G4VPVParameterisation *pParam;
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G4TouchableHistory parentTouchable( fpNavigatorState->fHistory );
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pParam = fpNavigatorState->fpBlockedPhysicalVolume->GetParameterisation();
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pSolid = pParam->ComputeSolid(fpNavigatorState->fBlockedReplicaNo,
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fpNavigatorState->fpBlockedPhysicalVolume);
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pSolid->ComputeDimensions(pParam, fpNavigatorState->fBlockedReplicaNo,
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fpNavigatorState->fpBlockedPhysicalVolume);
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pParam->ComputeTransformation(fpNavigatorState->fBlockedReplicaNo,
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fpNavigatorState->fpBlockedPhysicalVolume);
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fpNavigatorState->fHistory.NewLevel(fpNavigatorState->fpBlockedPhysicalVolume, kParameterised,
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fpNavigatorState->fBlockedReplicaNo);
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fpNavigatorState->fpBlockedPhysicalVolume->SetCopyNo(fpNavigatorState->fBlockedReplicaNo);
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//
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// Set the correct solid and material in Logical Volume
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//
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G4LogicalVolume *pLogical;
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pLogical = fpNavigatorState->fpBlockedPhysicalVolume->GetLogicalVolume();
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pLogical->SetSolid( pSolid );
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pLogical->UpdateMaterial(pParam ->
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ComputeMaterial(fpNavigatorState->fBlockedReplicaNo,
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fpNavigatorState->fpBlockedPhysicalVolume,
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&parentTouchable));
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}
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break;
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}
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fpNavigatorState->fEntering = false;
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fpNavigatorState->fpBlockedPhysicalVolume = 0;
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localPoint = fpNavigatorState->fHistory.GetTopTransform().TransformPoint(globalPoint);
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notKnownContained = false;
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}
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}
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else
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{
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fpNavigatorState->fpBlockedPhysicalVolume = 0;
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fpNavigatorState->fEntering = false;
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fpNavigatorState->fEnteredDaughter = false; // Full Step was not taken, did not enter
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fpNavigatorState->fExiting = false;
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fpNavigatorState->fExitedMother = false; // Full Step was not taken, did not exit
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}
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}
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//
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// Search from top of history up through geometry until
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// containing volume found:
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// If on
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// o OUTSIDE - Back up level, not/no longer exiting volumes
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// o SURFACE and EXITING - Back up level, setting new blocking no.s
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// else
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// o containing volume found
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//
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while (notKnownContained)
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{
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if ( fpNavigatorState->fHistory.GetTopVolumeType()!=kReplica )
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{
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targetSolid = fpNavigatorState->fHistory.GetTopVolume()->GetLogicalVolume()->GetSolid();
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localPoint = fpNavigatorState->fHistory.GetTopTransform().TransformPoint(globalPoint);
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insideCode = targetSolid->Inside(localPoint);
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#ifdef G4VERBOSE
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if(( fVerbose == 1 ) && ( fCheck ))
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{
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G4String solidResponse = "-kInside-";
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if (insideCode == kOutside)
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solidResponse = "-kOutside-";
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else if (insideCode == kSurface)
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solidResponse = "-kSurface-";
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G4cout << "*** G4ITNavigator::LocateGlobalPointAndSetup(): ***" << G4endl
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<< " Invoked Inside() for solid: " << targetSolid->GetName()
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<< ". Solid replied: " << solidResponse << G4endl
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<< " For local point p: " << localPoint << G4endl;
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}
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#endif
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}
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else
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{
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insideCode = freplicaNav.BackLocate(fpNavigatorState->fHistory, globalPoint, localPoint,
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fpNavigatorState->fExiting, notKnownContained);
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// !CARE! if notKnownContained returns false then the point is within
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// the containing placement volume of the replica(s). If insidecode
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// will result in the history being backed up one level, then the
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// local point returned is the point in the system of this new level
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}
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if ( insideCode==kOutside )
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{
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if ( fpNavigatorState->fHistory.GetDepth() )
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{
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fpNavigatorState->fpBlockedPhysicalVolume = fpNavigatorState->fHistory.GetTopVolume();
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fpNavigatorState->fBlockedReplicaNo = fpNavigatorState->fHistory.GetTopReplicaNo();
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fpNavigatorState->fHistory.BackLevel();
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fpNavigatorState->fExiting = false;
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}
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else
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{
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fpNavigatorState->fLastLocatedPointLocal = localPoint;
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fpNavigatorState->fLocatedOutsideWorld = true;
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return 0; // Have exited world volume
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}
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}
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else
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if ( insideCode==kSurface )
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{
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G4bool isExiting = fpNavigatorState->fExiting;
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if( (!fpNavigatorState->fExiting)&&considerDirection )
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{
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// Figure out whether we are exiting this level's volume
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// by using the direction
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//
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G4bool directionExiting = false;
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G4ThreeVector localDirection =
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fpNavigatorState->fHistory.GetTopTransform().TransformAxis(globalDirection);
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if ( fpNavigatorState->fHistory.GetTopVolumeType()!=kReplica )
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{
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G4ThreeVector normal = targetSolid->SurfaceNormal(localPoint);
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directionExiting = normal.dot(localDirection) > 0.0;
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isExiting = isExiting || directionExiting;
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}
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}
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if( isExiting )
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{
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if ( fpNavigatorState->fHistory.GetDepth() )
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{
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fpNavigatorState->fpBlockedPhysicalVolume = fpNavigatorState->fHistory.GetTopVolume();
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fpNavigatorState->fBlockedReplicaNo = fpNavigatorState->fHistory.GetTopReplicaNo();
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fpNavigatorState->fHistory.BackLevel();
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//
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// Still on surface but exited volume not necessarily convex
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//
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fpNavigatorState->fValidExitNormal = false;
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}
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else
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{
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fpNavigatorState->fLastLocatedPointLocal = localPoint;
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fpNavigatorState->fLocatedOutsideWorld = true;
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return 0; // Have exited world volume
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}
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}
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else
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{
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notKnownContained=false;
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}
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}
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else
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{
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notKnownContained=false;
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}
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} // END while (notKnownContained)
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//
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// Search downwards until deepest containing volume found,
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// blocking fpNavigatorState->fpBlockedPhysicalVolume/BlockedReplicaNum
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//
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// 3 Cases:
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//
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// o Parameterised daughters
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// =>Must be one G4PVParameterised daughter & voxels
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// o Positioned daughters & voxels
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// o Positioned daughters & no voxels
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noResult = true; // noResult should be renamed to
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// something like enteredLevel, as that is its meaning.
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do
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{
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// Determine `type' of current mother volume
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//
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targetPhysical = fpNavigatorState->fHistory.GetTopVolume();
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if (!targetPhysical) { break; }
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targetLogical = targetPhysical->GetLogicalVolume();
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switch( CharacteriseDaughters(targetLogical) )
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{
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case kNormal:
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if ( targetLogical->GetVoxelHeader() ) // use optimised navigation
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{
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noResult = fvoxelNav.LevelLocate(fpNavigatorState->fHistory,
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fpNavigatorState->fpBlockedPhysicalVolume,
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fpNavigatorState->fBlockedReplicaNo,
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globalPoint,
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pGlobalDirection,
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considerDirection,
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localPoint);
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}
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else // do not use optimised navigation
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{
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noResult = fnormalNav.LevelLocate(fpNavigatorState->fHistory,
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fpNavigatorState->fpBlockedPhysicalVolume,
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fpNavigatorState->fBlockedReplicaNo,
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globalPoint,
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pGlobalDirection,
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considerDirection,
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localPoint);
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}
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break;
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case kReplica:
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noResult = freplicaNav.LevelLocate(fpNavigatorState->fHistory,
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fpNavigatorState->fpBlockedPhysicalVolume,
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fpNavigatorState->fBlockedReplicaNo,
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globalPoint,
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pGlobalDirection,
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considerDirection,
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localPoint);
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break;
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|
case kParameterised:
|
|
if( GetDaughtersRegularStructureId(targetLogical) != 1 )
|
|
{
|
|
noResult = fparamNav.LevelLocate(fpNavigatorState->fHistory,
|
|
fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo,
|
|
globalPoint,
|
|
pGlobalDirection,
|
|
considerDirection,
|
|
localPoint);
|
|
}
|
|
else // Regular structure
|
|
{
|
|
noResult = fregularNav.LevelLocate(fpNavigatorState->fHistory,
|
|
fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo,
|
|
globalPoint,
|
|
pGlobalDirection,
|
|
considerDirection,
|
|
localPoint);
|
|
}
|
|
break;
|
|
}
|
|
|
|
// LevelLocate returns true if it finds a daughter volume
|
|
// in which globalPoint is inside (or on the surface).
|
|
|
|
if ( noResult )
|
|
{
|
|
// Entering a daughter after ascending
|
|
//
|
|
// The blocked volume is no longer valid - it was for another level
|
|
//
|
|
fpNavigatorState->fpBlockedPhysicalVolume = 0;
|
|
fpNavigatorState->fBlockedReplicaNo = -1;
|
|
|
|
// fpNavigatorState->fEntering should be false -- else blockedVolume is assumed good.
|
|
// fpNavigatorState->fEnteredDaughter is used for ExitNormal
|
|
//
|
|
fpNavigatorState->fEntering = false;
|
|
fpNavigatorState->fEnteredDaughter = true;
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
if( fVerbose > 2 )
|
|
{
|
|
G4VPhysicalVolume* enteredPhysical = fpNavigatorState->fHistory.GetTopVolume();
|
|
G4cout << "*** G4ITNavigator::LocateGlobalPointAndSetup() ***" << G4endl;
|
|
G4cout << " Entering volume: " << enteredPhysical->GetName()
|
|
<< G4endl;
|
|
}
|
|
#endif
|
|
}
|
|
} while (noResult);
|
|
|
|
fpNavigatorState->fLastLocatedPointLocal = localPoint;
|
|
|
|
#ifdef G4VERBOSE
|
|
if( fVerbose == 4 )
|
|
{
|
|
G4int oldcoutPrec = G4cout.precision(8);
|
|
G4String curPhysVol_Name("None");
|
|
if (targetPhysical) { curPhysVol_Name = targetPhysical->GetName(); }
|
|
G4cout << " Return value = new volume = " << curPhysVol_Name << G4endl;
|
|
G4cout << " ----- Upon exiting:" << G4endl;
|
|
PrintState();
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
G4cout << "Upon exiting LocateGlobalPointAndSetup():" << G4endl;
|
|
G4cout << " History = " << G4endl << fpNavigatorState->fHistory << G4endl << G4endl;
|
|
#endif
|
|
G4cout.precision(oldcoutPrec);
|
|
}
|
|
#endif
|
|
|
|
fpNavigatorState->fLocatedOutsideWorld= false;
|
|
|
|
return targetPhysical;
|
|
}
|
|
|
|
// ********************************************************************
|
|
// LocateGlobalPointWithinVolume
|
|
//
|
|
// -> the state information of this Navigator and its subNavigators
|
|
// is updated in order to start the next step at pGlobalpoint
|
|
// -> no check is performed whether pGlobalpoint is inside the
|
|
// original volume (this must be the case).
|
|
//
|
|
// Note: a direction could be added to the arguments, to aid in future
|
|
// optional checking (via the old code below, flagged by OLD_LOCATE).
|
|
// [ This would be done only in verbose mode ]
|
|
// ********************************************************************
|
|
//
|
|
void
|
|
G4ITNavigator::LocateGlobalPointWithinVolume(const G4ThreeVector& pGlobalpoint)
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
fpNavigatorState->fLastLocatedPointLocal = ComputeLocalPoint(pGlobalpoint);
|
|
fpNavigatorState->fLastTriedStepComputation= false;
|
|
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
if( fVerbose > 2 )
|
|
{
|
|
G4cout << "Entering LocateGlobalWithinVolume(): History = " << G4endl;
|
|
G4cout << fpNavigatorState->fHistory << G4endl;
|
|
}
|
|
#endif
|
|
|
|
// For the case of Voxel (or Parameterised) volume the respective
|
|
// Navigator must be messaged to update its voxel information etc
|
|
|
|
// Update the state of the Sub Navigators
|
|
// - in particular any voxel information they store/cache
|
|
//
|
|
G4VPhysicalVolume* motherPhysical = fpNavigatorState->fHistory.GetTopVolume();
|
|
G4LogicalVolume* motherLogical = motherPhysical->GetLogicalVolume();
|
|
G4SmartVoxelHeader* pVoxelHeader = motherLogical->GetVoxelHeader();
|
|
|
|
if ( fpNavigatorState->fHistory.GetTopVolumeType()!=kReplica )
|
|
{
|
|
switch( CharacteriseDaughters(motherLogical) )
|
|
{
|
|
case kNormal:
|
|
if ( pVoxelHeader )
|
|
{
|
|
fvoxelNav.VoxelLocate( pVoxelHeader, fpNavigatorState->fLastLocatedPointLocal );
|
|
}
|
|
break;
|
|
case kParameterised:
|
|
if( GetDaughtersRegularStructureId(motherLogical) != 1 )
|
|
{
|
|
// Resets state & returns voxel node
|
|
//
|
|
fparamNav.ParamVoxelLocate( pVoxelHeader, fpNavigatorState->fLastLocatedPointLocal );
|
|
}
|
|
break;
|
|
case kReplica:
|
|
G4Exception("G4ITNavigator::LocateGlobalPointWithinVolume()",
|
|
"GeomNav0001", FatalException,
|
|
"Not applicable for replicated volumes.");
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Reset the state variables
|
|
// - which would have been affected
|
|
// by the 'equivalent' call to LocateGlobalPointAndSetup
|
|
// - who's values have been invalidated by the 'move'.
|
|
//
|
|
fpNavigatorState->fpBlockedPhysicalVolume = 0;
|
|
fpNavigatorState->fBlockedReplicaNo = -1;
|
|
fpNavigatorState->fEntering = false;
|
|
fpNavigatorState->fEnteredDaughter = false; // Boundary not encountered, did not enter
|
|
fpNavigatorState->fExiting = false;
|
|
fpNavigatorState->fExitedMother = false; // Boundary not encountered, did not exit
|
|
}
|
|
|
|
// !>
|
|
|
|
void G4ITNavigator::CheckNavigatorState() const
|
|
{
|
|
if(fpNavigatorState == 0)
|
|
{
|
|
G4ExceptionDescription exceptionDescription;
|
|
exceptionDescription << "The navigator state is NULL. ";
|
|
exceptionDescription << "Either NewNavigatorStateAndLocate was not called ";
|
|
exceptionDescription << "or the provided navigator state was already NULL.";
|
|
|
|
G4Exception("G4ITNavigator::CheckNavigatorStateIsValid",
|
|
"NavigatorStateNotValid",FatalException,exceptionDescription);
|
|
return;
|
|
}
|
|
}
|
|
|
|
G4ITNavigatorState_Lock* G4ITNavigator::GetNavigatorState()
|
|
{
|
|
return fpNavigatorState;
|
|
}
|
|
|
|
void G4ITNavigator::SetNavigatorState(G4ITNavigatorState_Lock* navState)
|
|
{
|
|
fpNavigatorState = (G4NavigatorState*) navState;
|
|
if(fpNavigatorState) SetupHierarchy();
|
|
}
|
|
|
|
void G4ITNavigator::NewNavigatorState()
|
|
{
|
|
fpNavigatorState = new G4NavigatorState();
|
|
if(fTopPhysical == 0)
|
|
{
|
|
G4ExceptionDescription exceptionDescription;
|
|
exceptionDescription << "No World Volume";
|
|
|
|
G4Exception("G4ITNavigator::NewNavigatorState",
|
|
"NoWorldVolume",FatalException,exceptionDescription);
|
|
return;
|
|
}
|
|
|
|
fpNavigatorState->fHistory.SetFirstEntry(fTopPhysical );
|
|
SetupHierarchy();
|
|
}
|
|
|
|
G4VPhysicalVolume* G4ITNavigator::NewNavigatorStateAndLocate(const G4ThreeVector &p,
|
|
const G4ThreeVector &direction)
|
|
{
|
|
fpNavigatorState = new G4NavigatorState();
|
|
|
|
if(fTopPhysical == 0)
|
|
{
|
|
G4ExceptionDescription exceptionDescription;
|
|
exceptionDescription << "No World Volume";
|
|
|
|
G4Exception("G4ITNavigator::NewNavigatorStateAndLocate",
|
|
"NoWorldVolume",FatalException,exceptionDescription);
|
|
return 0;
|
|
}
|
|
|
|
fpNavigatorState->fHistory.SetFirstEntry(fTopPhysical );
|
|
SetupHierarchy();
|
|
return LocateGlobalPointAndSetup(p, &direction, true, false);
|
|
}
|
|
|
|
|
|
// ********************************************************************
|
|
// SetSavedState
|
|
//
|
|
// Save the state, in case this is a parasitic call
|
|
// Save fpNavigatorState->fValidExitNormal, fpNavigatorState->fExitNormal, fpNavigatorState->fExiting, fpNavigatorState->fEntering,
|
|
// fpNavigatorState->fpBlockedPhysicalVolume, fpNavigatorState->fBlockedReplicaNo, fpNavigatorState->fLastStepWasZero;
|
|
// ********************************************************************
|
|
//
|
|
void G4ITNavigator::SetSavedState()
|
|
{
|
|
fSaveState = *fpNavigatorState;
|
|
}
|
|
|
|
// ********************************************************************
|
|
// RestoreSavedState
|
|
//
|
|
// Restore the state (in Compute Step), in case this is a parasitic call
|
|
// ********************************************************************
|
|
//
|
|
void G4ITNavigator::RestoreSavedState()
|
|
{
|
|
*fpNavigatorState = fSaveState;
|
|
}
|
|
// <!
|
|
|
|
// ********************************************************************
|
|
// ComputeStep
|
|
//
|
|
// Computes the next geometric Step: intersections with current
|
|
// mother and `daughter' volumes.
|
|
//
|
|
// NOTE:
|
|
//
|
|
// Flags on entry:
|
|
// --------------
|
|
// fpNavigatorState->fValidExitNormal - Normal of exited volume is valid (convex, not a
|
|
// coincident boundary)
|
|
// fpNavigatorState->fExitNormal - Surface normal of exited volume
|
|
// fpNavigatorState->fExiting - True if have exited solid
|
|
//
|
|
// fpNavigatorState->fpBlockedPhysicalVolume - Ptr to exited volume (or 0)
|
|
// fpNavigatorState->fBlockedReplicaNo - Replication no of exited volume
|
|
// fpNavigatorState->fLastStepWasZero - True if last Step size was zero.
|
|
//
|
|
// Flags on exit:
|
|
// -------------
|
|
// fpNavigatorState->fValidExitNormal - True if surface normal of exited volume is valid
|
|
// fpNavigatorState->fExitNormal - Surface normal of exited volume rotated to mothers
|
|
// reference system
|
|
// fpNavigatorState->fExiting - True if exiting mother
|
|
// fpNavigatorState->fEntering - True if entering `daughter' volume (or replica)
|
|
// fpNavigatorState->fpBlockedPhysicalVolume - Ptr to candidate (entered) volume
|
|
// fpNavigatorState->fBlockedReplicaNo - Replication no of candidate (entered) volume
|
|
// fpNavigatorState->fLastStepWasZero - True if this Step size was zero.
|
|
// ********************************************************************
|
|
//
|
|
G4double G4ITNavigator::ComputeStep( const G4ThreeVector &pGlobalpoint,
|
|
const G4ThreeVector &pDirection,
|
|
const G4double pCurrentProposedStepLength,
|
|
G4double &pNewSafety)
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
G4ThreeVector localDirection = ComputeLocalAxis(pDirection);
|
|
G4double Step = kInfinity;
|
|
G4VPhysicalVolume *motherPhysical = fpNavigatorState->fHistory.GetTopVolume();
|
|
G4LogicalVolume *motherLogical = motherPhysical->GetLogicalVolume();
|
|
|
|
static G4int sNavCScalls=0;
|
|
sNavCScalls++;
|
|
|
|
fpNavigatorState->fLastTriedStepComputation= true;
|
|
|
|
#ifdef G4VERBOSE
|
|
if( fVerbose > 0 )
|
|
{
|
|
G4cout << "*** G4ITNavigator::ComputeStep: ***" << G4endl;
|
|
G4cout << " Volume = " << motherPhysical->GetName()
|
|
<< " - Proposed step length = " << pCurrentProposedStepLength
|
|
<< G4endl;
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
if( fVerbose >= 4 )
|
|
{
|
|
G4cout << " Called with the arguments: " << G4endl
|
|
<< " Globalpoint = " << std::setw(25) << pGlobalpoint << G4endl
|
|
<< " Direction = " << std::setw(25) << pDirection << G4endl;
|
|
G4cout << " ---- Upon entering :" << G4endl;
|
|
PrintState();
|
|
}
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
G4ThreeVector newLocalPoint = ComputeLocalPoint(pGlobalpoint);
|
|
if( newLocalPoint != fpNavigatorState->fLastLocatedPointLocal )
|
|
{
|
|
// Check whether the relocation is within safety
|
|
//
|
|
G4ThreeVector oldLocalPoint = fpNavigatorState->fLastLocatedPointLocal;
|
|
G4double moveLenSq = (newLocalPoint-oldLocalPoint).mag2();
|
|
|
|
if ( moveLenSq >= kCarTolerance*kCarTolerance )
|
|
{
|
|
#ifdef G4VERBOSE
|
|
ComputeStepLog(pGlobalpoint, moveLenSq);
|
|
#endif
|
|
// Relocate the point within the same volume
|
|
//
|
|
LocateGlobalPointWithinVolume( pGlobalpoint );
|
|
fpNavigatorState->fLastTriedStepComputation= true; // Ensure that this is set again !!
|
|
}
|
|
}
|
|
if ( fpNavigatorState->fHistory.GetTopVolumeType()!=kReplica )
|
|
{
|
|
switch( CharacteriseDaughters(motherLogical) )
|
|
{
|
|
case kNormal:
|
|
if ( motherLogical->GetVoxelHeader() )
|
|
{
|
|
Step = fvoxelNav.ComputeStep(fpNavigatorState->fLastLocatedPointLocal,
|
|
localDirection,
|
|
pCurrentProposedStepLength,
|
|
pNewSafety,
|
|
fpNavigatorState->fHistory,
|
|
fpNavigatorState->fValidExitNormal,
|
|
fpNavigatorState->fExitNormal,
|
|
fpNavigatorState->fExiting,
|
|
fpNavigatorState->fEntering,
|
|
&fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo);
|
|
|
|
}
|
|
else
|
|
{
|
|
if( motherPhysical->GetRegularStructureId() == 0 )
|
|
{
|
|
Step = fnormalNav.ComputeStep(fpNavigatorState->fLastLocatedPointLocal,
|
|
localDirection,
|
|
pCurrentProposedStepLength,
|
|
pNewSafety,
|
|
fpNavigatorState->fHistory,
|
|
fpNavigatorState->fValidExitNormal,
|
|
fpNavigatorState->fExitNormal,
|
|
fpNavigatorState->fExiting,
|
|
fpNavigatorState->fEntering,
|
|
&fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo);
|
|
}
|
|
else // Regular (non-voxelised) structure
|
|
{
|
|
LocateGlobalPointAndSetup( pGlobalpoint, &pDirection, true, true );
|
|
fpNavigatorState->fLastTriedStepComputation= true; // Ensure that this is set again !!
|
|
//
|
|
// if physical process limits the step, the voxel will not be the
|
|
// one given by ComputeStepSkippingEqualMaterials() and the local
|
|
// point will be wrongly calculated.
|
|
|
|
// There is a problem: when msc limits the step and the point is
|
|
// assigned wrongly to phantom in previous step (while it is out
|
|
// of the container volume). Then LocateGlobalPointAndSetup() has
|
|
// reset the history topvolume to world.
|
|
//
|
|
if(fpNavigatorState->fHistory.GetTopVolume()->GetRegularStructureId() == 0 )
|
|
{
|
|
G4Exception("G4ITNavigator::ComputeStep()",
|
|
"GeomNav1001", JustWarning,
|
|
"Point is relocated in voxels, while it should be outside!");
|
|
Step = fnormalNav.ComputeStep(fpNavigatorState->fLastLocatedPointLocal,
|
|
localDirection,
|
|
pCurrentProposedStepLength,
|
|
pNewSafety,
|
|
fpNavigatorState->fHistory,
|
|
fpNavigatorState->fValidExitNormal,
|
|
fpNavigatorState->fExitNormal,
|
|
fpNavigatorState->fExiting,
|
|
fpNavigatorState->fEntering,
|
|
&fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo);
|
|
}
|
|
else
|
|
{
|
|
Step = fregularNav.
|
|
ComputeStepSkippingEqualMaterials(fpNavigatorState->fLastLocatedPointLocal,
|
|
localDirection,
|
|
pCurrentProposedStepLength,
|
|
pNewSafety,
|
|
fpNavigatorState->fHistory,
|
|
fpNavigatorState->fValidExitNormal,
|
|
fpNavigatorState->fExitNormal,
|
|
fpNavigatorState->fExiting,
|
|
fpNavigatorState->fEntering,
|
|
&fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo,
|
|
motherPhysical);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case kParameterised:
|
|
if( GetDaughtersRegularStructureId(motherLogical) != 1 )
|
|
{
|
|
Step = fparamNav.ComputeStep(fpNavigatorState->fLastLocatedPointLocal,
|
|
localDirection,
|
|
pCurrentProposedStepLength,
|
|
pNewSafety,
|
|
fpNavigatorState->fHistory,
|
|
fpNavigatorState->fValidExitNormal,
|
|
fpNavigatorState->fExitNormal,
|
|
fpNavigatorState->fExiting,
|
|
fpNavigatorState->fEntering,
|
|
&fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo);
|
|
}
|
|
else // Regular structure
|
|
{
|
|
Step = fregularNav.ComputeStep(fpNavigatorState->fLastLocatedPointLocal,
|
|
localDirection,
|
|
pCurrentProposedStepLength,
|
|
pNewSafety,
|
|
fpNavigatorState->fHistory,
|
|
fpNavigatorState->fValidExitNormal,
|
|
fpNavigatorState->fExitNormal,
|
|
fpNavigatorState->fExiting,
|
|
fpNavigatorState->fEntering,
|
|
&fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo);
|
|
}
|
|
break;
|
|
case kReplica:
|
|
G4Exception("G4ITNavigator::ComputeStep()", "GeomNav0001",
|
|
FatalException, "Not applicable for replicated volumes.");
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// In the case of a replica, it must handle the exiting
|
|
// edge/corner problem by itself
|
|
//
|
|
G4bool exitingReplica = fpNavigatorState->fExitedMother;
|
|
Step = freplicaNav.ComputeStep(pGlobalpoint,
|
|
pDirection,
|
|
fpNavigatorState->fLastLocatedPointLocal,
|
|
localDirection,
|
|
pCurrentProposedStepLength,
|
|
pNewSafety,
|
|
fpNavigatorState->fHistory,
|
|
fpNavigatorState->fValidExitNormal,
|
|
fpNavigatorState->fExitNormal,
|
|
exitingReplica,
|
|
fpNavigatorState->fEntering,
|
|
&fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo);
|
|
fpNavigatorState->fExiting= exitingReplica; // still ok to set it ??
|
|
}
|
|
|
|
// Remember last safety origin & value.
|
|
//
|
|
fpNavigatorState->fPreviousSftOrigin = pGlobalpoint;
|
|
fpNavigatorState->fPreviousSafety = pNewSafety;
|
|
|
|
// Count zero steps - one can occur due to changing momentum at a boundary
|
|
// - one, two (or a few) can occur at common edges between
|
|
// volumes
|
|
// - more than two is likely a problem in the geometry
|
|
// description or the Navigation
|
|
|
|
// Rule of thumb: likely at an Edge if two consecutive steps are zero,
|
|
// because at least two candidate volumes must have been
|
|
// checked
|
|
//
|
|
fpNavigatorState->fLocatedOnEdge = fpNavigatorState->fLastStepWasZero && (Step==0.0);
|
|
fpNavigatorState->fLastStepWasZero = (Step==0.0);
|
|
if (fpNavigatorState->fPushed) fpNavigatorState->fPushed = fpNavigatorState->fLastStepWasZero;
|
|
|
|
// Handle large number of consecutive zero steps
|
|
//
|
|
if ( fpNavigatorState->fLastStepWasZero )
|
|
{
|
|
fpNavigatorState->fNumberZeroSteps++;
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
if( fpNavigatorState->fNumberZeroSteps > 1 )
|
|
{
|
|
G4cout << "G4ITNavigator::ComputeStep(): another zero step, # "
|
|
<< fpNavigatorState->fNumberZeroSteps
|
|
<< " at " << pGlobalpoint
|
|
<< " in volume " << motherPhysical->GetName()
|
|
<< " nav-comp-step calls # " << sNavCScalls
|
|
<< G4endl;
|
|
}
|
|
#endif
|
|
if( fpNavigatorState->fNumberZeroSteps > fActionThreshold_NoZeroSteps-1 )
|
|
{
|
|
// Act to recover this stuck track. Pushing it along direction
|
|
//
|
|
Step += 100*kCarTolerance;
|
|
#ifdef G4VERBOSE
|
|
if ((!fpNavigatorState->fPushed) && (fWarnPush))
|
|
{
|
|
std::ostringstream message;
|
|
message << "Track stuck or not moving." << G4endl
|
|
<< " Track stuck, not moving for "
|
|
<< fpNavigatorState->fNumberZeroSteps << " steps" << G4endl
|
|
<< " in volume -" << motherPhysical->GetName()
|
|
<< "- at point " << pGlobalpoint << G4endl
|
|
<< " direction: " << pDirection << "." << G4endl
|
|
<< " Potential geometry or navigation problem !"
|
|
<< G4endl
|
|
<< " Trying pushing it of " << Step << " mm ...";
|
|
G4Exception("G4ITNavigator::ComputeStep()", "GeomNav1002",
|
|
JustWarning, message, "Potential overlap in geometry!");
|
|
}
|
|
#endif
|
|
fpNavigatorState->fPushed = true;
|
|
}
|
|
if( fpNavigatorState->fNumberZeroSteps > fAbandonThreshold_NoZeroSteps-1 )
|
|
{
|
|
// Must kill this stuck track
|
|
//
|
|
std::ostringstream message;
|
|
message << "Stuck Track: potential geometry or navigation problem."
|
|
<< G4endl
|
|
<< " Track stuck, not moving for "
|
|
<< fpNavigatorState->fNumberZeroSteps << " steps" << G4endl
|
|
<< " in volume -" << motherPhysical->GetName()
|
|
<< "- at point " << pGlobalpoint << G4endl
|
|
<< " direction: " << pDirection << ".";
|
|
motherPhysical->CheckOverlaps(5000, false);
|
|
G4Exception("G4ITNavigator::ComputeStep()", "GeomNav0003",
|
|
EventMustBeAborted, message);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!fpNavigatorState->fPushed) fpNavigatorState->fNumberZeroSteps = 0;
|
|
}
|
|
|
|
fpNavigatorState->fEnteredDaughter = fpNavigatorState->fEntering; // I expect to enter a volume in this Step
|
|
fpNavigatorState->fExitedMother = fpNavigatorState->fExiting;
|
|
|
|
fpNavigatorState->fStepEndPoint = pGlobalpoint + Step * pDirection;
|
|
fpNavigatorState->fLastStepEndPointLocal = fpNavigatorState->fLastLocatedPointLocal + Step * localDirection;
|
|
|
|
if( fpNavigatorState->fExiting )
|
|
{
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
if( fVerbose > 2 )
|
|
{
|
|
G4cout << " At G4Nav CompStep End - if(exiting) - fpNavigatorState->fExiting= " << fpNavigatorState->fExiting
|
|
<< " fpNavigatorState->fValidExitNormal = " << fpNavigatorState->fValidExitNormal << G4endl;
|
|
G4cout << " fpNavigatorState->fExitNormal= " << fpNavigatorState->fExitNormal << G4endl;
|
|
}
|
|
#endif
|
|
|
|
if(fpNavigatorState->fValidExitNormal)
|
|
{
|
|
// Convention: fpNavigatorState->fExitNormal is in the 'grand-mother' coordinate system
|
|
//
|
|
fpNavigatorState->fGrandMotherExitNormal= fpNavigatorState->fExitNormal;
|
|
}
|
|
else
|
|
{
|
|
// We must calculate the normal anyway (in order to have it if requested)
|
|
//
|
|
G4ThreeVector finalLocalPoint =
|
|
fpNavigatorState->fLastLocatedPointLocal + localDirection*Step;
|
|
|
|
// Now fpNavigatorState->fGrandMotherExitNormal is in the 'grand-mother' coordinate system
|
|
//
|
|
fpNavigatorState->fGrandMotherExitNormal =
|
|
motherLogical->GetSolid()->SurfaceNormal(finalLocalPoint);
|
|
|
|
const G4RotationMatrix* mRot = motherPhysical->GetRotation();
|
|
if( mRot )
|
|
{
|
|
fpNavigatorState->fGrandMotherExitNormal *= (*mRot).inverse();
|
|
}
|
|
// Do not set fpNavigatorState->fValidExitNormal -- this signifies that the solid is convex!
|
|
}
|
|
}
|
|
fpNavigatorState->fStepEndPoint= pGlobalpoint+Step*pDirection;
|
|
|
|
if( (Step == pCurrentProposedStepLength) && (!fpNavigatorState->fExiting) && (!fpNavigatorState->fEntering) )
|
|
{
|
|
// This if Step is not really limited by the geometry.
|
|
// The Navigator is obliged to return "infinity"
|
|
//
|
|
Step = kInfinity;
|
|
}
|
|
|
|
#ifdef G4VERBOSE
|
|
if( fVerbose > 1 )
|
|
{
|
|
if( fVerbose >= 4 )
|
|
{
|
|
G4cout << " ----- Upon exiting :" << G4endl;
|
|
PrintState();
|
|
}
|
|
G4cout <<" Returned step = " << Step << G4endl;
|
|
if( Step == kInfinity )
|
|
{
|
|
G4cout << " Original proposed step = "
|
|
<< pCurrentProposedStepLength << G4endl;
|
|
}
|
|
G4cout << " Safety = " << pNewSafety << G4endl;
|
|
}
|
|
#endif
|
|
|
|
return Step;
|
|
}
|
|
|
|
// ********************************************************************
|
|
// CheckNextStep
|
|
//
|
|
// Compute the step without altering the navigator state
|
|
// ********************************************************************
|
|
//
|
|
G4double G4ITNavigator::CheckNextStep( const G4ThreeVector& pGlobalpoint,
|
|
const G4ThreeVector& pDirection,
|
|
const G4double pCurrentProposedStepLength,
|
|
G4double& pNewSafety)
|
|
{
|
|
G4double step;
|
|
|
|
CheckNavigatorStateIsValid();
|
|
// Save the state, for this parasitic call
|
|
//
|
|
SetSavedState();
|
|
// fSaveState = *fpNavigatorState;
|
|
|
|
step = ComputeStep ( pGlobalpoint,
|
|
pDirection,
|
|
pCurrentProposedStepLength,
|
|
pNewSafety );
|
|
|
|
// If a parasitic call, then attempt to restore the key parts of the state
|
|
//
|
|
RestoreSavedState();
|
|
// *fpNavigatorState = fSaveState;
|
|
|
|
return step;
|
|
}
|
|
|
|
// ********************************************************************
|
|
// ResetState
|
|
//
|
|
// Resets stack and minimum of navigator state `machine'
|
|
// ********************************************************************
|
|
//
|
|
void G4ITNavigator::ResetState()
|
|
{
|
|
G4Exception("G4ITNavigator::ResetState()",
|
|
"ResetState", FatalException,
|
|
"G4ITNavigator::ResetState() not supported");
|
|
}
|
|
|
|
// ********************************************************************
|
|
// SetupHierarchy
|
|
//
|
|
// Renavigates & resets hierarchy described by current history
|
|
// o Reset volumes
|
|
// o Recompute transforms and/or solids of replicated/parameterised volumes
|
|
// ********************************************************************
|
|
//
|
|
void G4ITNavigator::SetupHierarchy()
|
|
{
|
|
G4int i;
|
|
const G4int cdepth = fpNavigatorState->fHistory.GetDepth();
|
|
G4VPhysicalVolume *current;
|
|
G4VSolid *pSolid;
|
|
G4VPVParameterisation *pParam;
|
|
|
|
for ( i=1; i<=cdepth; i++ )
|
|
{
|
|
current = fpNavigatorState->fHistory.GetVolume(i);
|
|
switch ( fpNavigatorState->fHistory.GetVolumeType(i) )
|
|
{
|
|
case kNormal:
|
|
break;
|
|
case kReplica:
|
|
freplicaNav.ComputeTransformation(fpNavigatorState->fHistory.GetReplicaNo(i), current);
|
|
break;
|
|
case kParameterised:
|
|
G4int replicaNo;
|
|
pParam = current->GetParameterisation();
|
|
replicaNo = fpNavigatorState->fHistory.GetReplicaNo(i);
|
|
pSolid = pParam->ComputeSolid(replicaNo, current);
|
|
|
|
// Set up dimensions & transform in solid/physical volume
|
|
//
|
|
pSolid->ComputeDimensions(pParam, replicaNo, current);
|
|
pParam->ComputeTransformation(replicaNo, current);
|
|
|
|
G4TouchableHistory touchable( fpNavigatorState->fHistory );
|
|
touchable.MoveUpHistory(); // move up to the parent level
|
|
|
|
// Set up the correct solid and material in Logical Volume
|
|
//
|
|
G4LogicalVolume *pLogical = current->GetLogicalVolume();
|
|
pLogical->SetSolid( pSolid );
|
|
pLogical->UpdateMaterial( pParam ->
|
|
ComputeMaterial(replicaNo, current, &touchable) );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// ********************************************************************
|
|
// GetLocalExitNormal
|
|
//
|
|
// Obtains the Normal vector to a surface (in local coordinates)
|
|
// pointing out of previous volume and into current volume
|
|
// ********************************************************************
|
|
//
|
|
G4ThreeVector G4ITNavigator::GetLocalExitNormal( G4bool* valid )
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
G4ThreeVector ExitNormal(0.,0.,0.);
|
|
G4VSolid *currentSolid=0;
|
|
G4LogicalVolume *candidateLogical;
|
|
if ( fpNavigatorState->fLastTriedStepComputation )
|
|
{
|
|
// use fpNavigatorState->fLastLocatedPointLocal
|
|
// and next candidate volume
|
|
G4ThreeVector nextSolidExitNormal(0.,0.,0.);
|
|
|
|
if( fpNavigatorState->fEntering && (fpNavigatorState->fpBlockedPhysicalVolume!=0) )
|
|
{
|
|
candidateLogical= fpNavigatorState->fpBlockedPhysicalVolume->GetLogicalVolume();
|
|
if( candidateLogical )
|
|
{
|
|
// fpNavigatorState->fLastStepEndPointLocal is in the coordinates of the mother
|
|
// we need it in the daughter's coordinate system.
|
|
|
|
if( CharacteriseDaughters(candidateLogical) != kReplica )
|
|
{
|
|
// First transform fpNavigatorState->fLastLocatedPointLocal to the new daughter
|
|
// coordinates
|
|
G4AffineTransform MotherToDaughterTransform=
|
|
GetMotherToDaughterTransform( fpNavigatorState->fpBlockedPhysicalVolume,
|
|
fpNavigatorState->fBlockedReplicaNo,
|
|
VolumeType(fpNavigatorState->fpBlockedPhysicalVolume) );
|
|
G4ThreeVector daughterPointOwnLocal=
|
|
MotherToDaughterTransform.TransformPoint( fpNavigatorState->fLastStepEndPointLocal );
|
|
|
|
// OK if it is a parameterised volume
|
|
//
|
|
EInside inSideIt;
|
|
G4bool onSurface;
|
|
G4double safety= -1.0;
|
|
currentSolid= candidateLogical->GetSolid();
|
|
inSideIt = currentSolid->Inside(daughterPointOwnLocal);
|
|
onSurface = (inSideIt == kSurface);
|
|
if( ! onSurface )
|
|
{
|
|
if( inSideIt == kOutside )
|
|
{
|
|
safety = (currentSolid->DistanceToIn(daughterPointOwnLocal));
|
|
onSurface = safety < 100.0 * kCarTolerance;
|
|
}
|
|
else if (inSideIt == kInside )
|
|
{
|
|
safety = (currentSolid->DistanceToOut(daughterPointOwnLocal));
|
|
onSurface = safety < 100.0 * kCarTolerance;
|
|
}
|
|
}
|
|
|
|
if( onSurface )
|
|
{
|
|
nextSolidExitNormal =
|
|
currentSolid->SurfaceNormal(daughterPointOwnLocal);
|
|
|
|
// Entering the solid ==> opposite
|
|
//
|
|
ExitNormal = -nextSolidExitNormal;
|
|
}
|
|
else
|
|
{
|
|
#ifdef G4VERBOSE
|
|
if(( fVerbose == 1 ) && ( fCheck ))
|
|
{
|
|
std::ostringstream message;
|
|
message << "Point not on surface ! " << G4endl
|
|
<< " Point = "
|
|
<< daughterPointOwnLocal << G4endl
|
|
<< " Physical volume = "
|
|
<< fpNavigatorState->fpBlockedPhysicalVolume->GetName() << G4endl
|
|
<< " Logical volume = "
|
|
<< candidateLogical->GetName() << G4endl
|
|
<< " Solid = " << currentSolid->GetName()
|
|
<< " Type = "
|
|
<< currentSolid->GetEntityType() << G4endl
|
|
<< *currentSolid << G4endl;
|
|
if( inSideIt == kOutside )
|
|
{
|
|
message << "Point is Outside. " << G4endl
|
|
<< " Safety (from outside) = " << safety << G4endl;
|
|
}
|
|
else // if( inSideIt == kInside )
|
|
{
|
|
message << "Point is Inside. " << G4endl
|
|
<< " Safety (from inside) = " << safety << G4endl;
|
|
}
|
|
G4Exception("G4ITNavigator::GetLocalExitNormal()", "GeomNav1001",
|
|
JustWarning, message);
|
|
}
|
|
#endif
|
|
}
|
|
*valid = onSurface; // was =true;
|
|
}
|
|
else
|
|
{
|
|
*valid = false; // TODO: Need Separate code for replica!!!!
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
G4Exception("G4ITNavigator::GetLocalExitNormal()", "GeomNav0001",
|
|
FatalException,
|
|
"Local normal not (yet) available for replica volumes.");
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
else if ( fpNavigatorState->fExiting )
|
|
{
|
|
ExitNormal = fpNavigatorState->fGrandMotherExitNormal;
|
|
*valid = true;
|
|
}
|
|
else // ie ( fpNavigatorState->fpBlockedPhysicalVolume == 0 )
|
|
{
|
|
*valid = false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( EnteredDaughterVolume() )
|
|
{
|
|
ExitNormal= -(fpNavigatorState->fHistory.GetTopVolume()->GetLogicalVolume()->
|
|
GetSolid()->SurfaceNormal(fpNavigatorState->fLastLocatedPointLocal));
|
|
*valid = true;
|
|
}
|
|
else
|
|
{
|
|
if( fpNavigatorState->fExitedMother )
|
|
{
|
|
ExitNormal = fpNavigatorState->fGrandMotherExitNormal;
|
|
*valid = true;
|
|
}
|
|
else // We are not at a boundary. ExitNormal remains (0,0,0)
|
|
{
|
|
*valid = false;
|
|
}
|
|
}
|
|
}
|
|
return ExitNormal;
|
|
}
|
|
|
|
// ********************************************************************
|
|
// GetMotherToDaughterTransform
|
|
//
|
|
// Obtains the mother to daughter affine transformation
|
|
// ********************************************************************
|
|
//
|
|
G4AffineTransform
|
|
G4ITNavigator::GetMotherToDaughterTransform( G4VPhysicalVolume *pEnteringPhysVol, // not Const
|
|
G4int enteringReplicaNo,
|
|
EVolume enteringVolumeType )
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
switch (enteringVolumeType)
|
|
{
|
|
case kNormal: // Nothing is needed to prepare the transformation
|
|
break; // It is stored already in the physical volume (placement)
|
|
case kReplica: // Sets the transform in the Replica - tbc
|
|
G4Exception("G4ITNavigator::GetMotherToDaughterTransform()",
|
|
"GeomNav0001", FatalException,
|
|
"Method NOT Implemented yet for replica volumes.");
|
|
break;
|
|
case kParameterised:
|
|
if( pEnteringPhysVol->GetRegularStructureId() == 0 )
|
|
{
|
|
G4VPVParameterisation *pParam =
|
|
pEnteringPhysVol->GetParameterisation();
|
|
G4VSolid* pSolid =
|
|
pParam->ComputeSolid(enteringReplicaNo, pEnteringPhysVol);
|
|
pSolid->ComputeDimensions(pParam, enteringReplicaNo, pEnteringPhysVol);
|
|
|
|
// Sets the transform in the Parameterisation
|
|
//
|
|
pParam->ComputeTransformation(enteringReplicaNo, pEnteringPhysVol);
|
|
|
|
// Set the correct solid and material in Logical Volume
|
|
//
|
|
G4LogicalVolume* pLogical = pEnteringPhysVol->GetLogicalVolume();
|
|
pLogical->SetSolid( pSolid );
|
|
}
|
|
break;
|
|
}
|
|
return G4AffineTransform(pEnteringPhysVol->GetRotation(),
|
|
pEnteringPhysVol->GetTranslation()).Invert();
|
|
}
|
|
|
|
// ********************************************************************
|
|
// GetLocalExitNormalAndCheck
|
|
//
|
|
// Obtains the Normal vector to a surface (in local coordinates)
|
|
// pointing out of previous volume and into current volume, and
|
|
// checks the current point against expected 'local' value.
|
|
// ********************************************************************
|
|
//
|
|
G4ThreeVector G4ITNavigator::
|
|
GetLocalExitNormalAndCheck(const G4ThreeVector& ExpectedBoundaryPointGlobal,
|
|
G4bool* pValid)
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
G4ThreeVector ExpectedBoundaryPointLocal;
|
|
|
|
// Check Current point against expected 'local' value
|
|
//
|
|
if ( fpNavigatorState->fLastTriedStepComputation )
|
|
{
|
|
const G4AffineTransform& GlobalToLocal= GetGlobalToLocalTransform();
|
|
ExpectedBoundaryPointLocal =
|
|
GlobalToLocal.TransformPoint( ExpectedBoundaryPointGlobal );
|
|
}
|
|
|
|
return GetLocalExitNormal( pValid);
|
|
}
|
|
|
|
// ********************************************************************
|
|
// GetGlobalExitNormal
|
|
//
|
|
// Obtains the Normal vector to a surface (in global coordinates)
|
|
// pointing out of previous volume and into current volume
|
|
// ********************************************************************
|
|
//
|
|
G4ThreeVector
|
|
G4ITNavigator::GetGlobalExitNormal(const G4ThreeVector& IntersectPointGlobal,
|
|
G4bool* pValidNormal)
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
G4bool validNormal;
|
|
G4ThreeVector localNormal, globalNormal;
|
|
|
|
localNormal = GetLocalExitNormalAndCheck( IntersectPointGlobal, &validNormal);
|
|
*pValidNormal = validNormal;
|
|
G4AffineTransform localToGlobal = GetLocalToGlobalTransform();
|
|
globalNormal = localToGlobal.TransformAxis( localNormal );
|
|
|
|
return globalNormal;
|
|
}
|
|
|
|
// ********************************************************************
|
|
// ComputeSafety
|
|
//
|
|
// It assumes that it will be
|
|
// i) called at the Point in the same volume as the EndPoint of the
|
|
// ComputeStep.
|
|
// ii) after (or at the end of) ComputeStep OR after the relocation.
|
|
// ********************************************************************
|
|
//
|
|
G4double G4ITNavigator::ComputeSafety( const G4ThreeVector &pGlobalpoint,
|
|
const G4double pMaxLength,
|
|
const G4bool keepState)
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
G4double newSafety = 0.0;
|
|
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
G4int oldcoutPrec = G4cout.precision(8);
|
|
if( fVerbose > 0 )
|
|
{
|
|
G4cout << "*** G4ITNavigator::ComputeSafety: ***" << G4endl
|
|
<< " Called at point: " << pGlobalpoint << G4endl;
|
|
|
|
G4VPhysicalVolume *motherPhysical = fpNavigatorState->fHistory.GetTopVolume();
|
|
G4cout << " Volume = " << motherPhysical->GetName()
|
|
<< " - Maximum length = " << pMaxLength << G4endl;
|
|
if( fVerbose >= 4 )
|
|
{
|
|
G4cout << " ----- Upon entering Compute Safety:" << G4endl;
|
|
PrintState();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (keepState)
|
|
{
|
|
// fSaveState = *fpNavigatorState;
|
|
SetSavedState();
|
|
}
|
|
// fpNavigatorState->fLastTriedStepComputation= true; -- this method is NOT computing the Step size
|
|
|
|
G4double distEndpointSq = (pGlobalpoint-fpNavigatorState->fStepEndPoint).mag2();
|
|
G4bool stayedOnEndpoint = distEndpointSq < kCarTolerance*kCarTolerance;
|
|
G4bool endpointOnSurface = fpNavigatorState->fEnteredDaughter || fpNavigatorState->fExitedMother;
|
|
|
|
if( !(endpointOnSurface && stayedOnEndpoint) )
|
|
{
|
|
// Pseudo-relocate to this point (updates voxel information only)
|
|
//
|
|
LocateGlobalPointWithinVolume( pGlobalpoint );
|
|
// --->> Danger: Side effects on sub-navigator voxel information <<---
|
|
// Could be replaced again by 'granular' calls to sub-navigator
|
|
// locates (similar side-effects, but faster.
|
|
// Solutions:
|
|
// 1) Re-locate (to where?)
|
|
// 2) Insure that the methods using (G4ComputeStep?)
|
|
// does a relocation (if information is disturbed only ?)
|
|
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
if( fVerbose >= 2 )
|
|
{
|
|
G4cout << " G4ITNavigator::ComputeSafety() relocates-in-volume to point: "
|
|
<< pGlobalpoint << G4endl;
|
|
}
|
|
#endif
|
|
G4VPhysicalVolume *motherPhysical = fpNavigatorState->fHistory.GetTopVolume();
|
|
G4LogicalVolume *motherLogical = motherPhysical->GetLogicalVolume();
|
|
G4SmartVoxelHeader* pVoxelHeader = motherLogical->GetVoxelHeader();
|
|
G4ThreeVector localPoint = ComputeLocalPoint(pGlobalpoint);
|
|
|
|
if ( fpNavigatorState->fHistory.GetTopVolumeType()!=kReplica )
|
|
{
|
|
switch(CharacteriseDaughters(motherLogical))
|
|
{
|
|
case kNormal:
|
|
if ( pVoxelHeader )
|
|
{
|
|
newSafety=fvoxelNav.ComputeSafety(localPoint,fpNavigatorState->fHistory,pMaxLength);
|
|
}
|
|
else
|
|
{
|
|
newSafety=fnormalNav.ComputeSafety(localPoint,fpNavigatorState->fHistory,pMaxLength);
|
|
}
|
|
break;
|
|
case kParameterised:
|
|
if( GetDaughtersRegularStructureId(motherLogical) != 1 )
|
|
{
|
|
newSafety = fparamNav.ComputeSafety(localPoint,fpNavigatorState->fHistory,pMaxLength);
|
|
}
|
|
else // Regular structure
|
|
{
|
|
newSafety = fregularNav.ComputeSafety(localPoint,fpNavigatorState->fHistory,pMaxLength);
|
|
}
|
|
break;
|
|
case kReplica:
|
|
G4Exception("G4ITNavigator::ComputeSafety()", "NotApplicable",
|
|
FatalException, "Not applicable for replicated volumes.");
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
newSafety = freplicaNav.ComputeSafety(pGlobalpoint, localPoint,
|
|
fpNavigatorState->fHistory, pMaxLength);
|
|
}
|
|
}
|
|
else // if( endpointOnSurface && stayedOnEndpoint )
|
|
{
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
if( fVerbose >= 2 )
|
|
{
|
|
G4cout << " G4ITNavigator::ComputeSafety() finds that point - "
|
|
<< pGlobalpoint << " - is on surface " << G4endl;
|
|
if( fpNavigatorState->fEnteredDaughter ) { G4cout << " entered new daughter volume"; }
|
|
if( fpNavigatorState->fExitedMother ) { G4cout << " and exited previous volume."; }
|
|
G4cout << G4endl;
|
|
G4cout << " EndPoint was = " << fpNavigatorState->fStepEndPoint << G4endl;
|
|
}
|
|
#endif
|
|
newSafety = 0.0;
|
|
}
|
|
|
|
// Remember last safety origin & value
|
|
//
|
|
fpNavigatorState->fPreviousSftOrigin = pGlobalpoint;
|
|
fpNavigatorState->fPreviousSafety = newSafety;
|
|
|
|
if (keepState)
|
|
{
|
|
// *fpNavigatorState = fSaveState;
|
|
RestoreSavedState();
|
|
}
|
|
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
if( fVerbose > 1 )
|
|
{
|
|
G4cout << " ---- Exiting ComputeSafety " << G4endl;
|
|
if( fVerbose > 2 ) { PrintState(); }
|
|
G4cout << " Returned value of Safety = " << newSafety << G4endl;
|
|
}
|
|
G4cout.precision(oldcoutPrec);
|
|
#endif
|
|
|
|
return newSafety;
|
|
}
|
|
|
|
// ********************************************************************
|
|
// CreateTouchableHistoryHandle
|
|
// ********************************************************************
|
|
//
|
|
G4TouchableHistoryHandle G4ITNavigator::CreateTouchableHistoryHandle() const
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
return G4TouchableHistoryHandle( CreateTouchableHistory() );
|
|
}
|
|
|
|
// ********************************************************************
|
|
// PrintState
|
|
// ********************************************************************
|
|
//
|
|
void G4ITNavigator::PrintState() const
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
G4int oldcoutPrec = G4cout.precision(4);
|
|
if( fVerbose == 4 )
|
|
{
|
|
G4cout << "The current state of G4ITNavigator is: " << G4endl;
|
|
G4cout << " ValidExitNormal= " << fpNavigatorState->fValidExitNormal << G4endl
|
|
<< " ExitNormal = " << fpNavigatorState->fExitNormal << G4endl
|
|
<< " Exiting = " << fpNavigatorState->fExiting << G4endl
|
|
<< " Entering = " << fpNavigatorState->fEntering << G4endl
|
|
<< " BlockedPhysicalVolume= " ;
|
|
if (fpNavigatorState->fpBlockedPhysicalVolume==0)
|
|
G4cout << "None";
|
|
else
|
|
G4cout << fpNavigatorState->fpBlockedPhysicalVolume->GetName();
|
|
G4cout << G4endl
|
|
<< " BlockedReplicaNo = " << fpNavigatorState->fBlockedReplicaNo << G4endl
|
|
<< " LastStepWasZero = " << fpNavigatorState->fLastStepWasZero << G4endl
|
|
<< G4endl;
|
|
}
|
|
if( ( 1 < fVerbose) && (fVerbose < 4) )
|
|
{
|
|
G4cout << std::setw(30) << " ExitNormal " << " "
|
|
<< std::setw( 5) << " Valid " << " "
|
|
<< std::setw( 9) << " Exiting " << " "
|
|
<< std::setw( 9) << " Entering" << " "
|
|
<< std::setw(15) << " Blocked:Volume " << " "
|
|
<< std::setw( 9) << " ReplicaNo" << " "
|
|
<< std::setw( 8) << " LastStepZero " << " "
|
|
<< G4endl;
|
|
G4cout << "( " << std::setw(7) << fpNavigatorState->fExitNormal.x()
|
|
<< ", " << std::setw(7) << fpNavigatorState->fExitNormal.y()
|
|
<< ", " << std::setw(7) << fpNavigatorState->fExitNormal.z() << " ) "
|
|
<< std::setw( 5) << fpNavigatorState->fValidExitNormal << " "
|
|
<< std::setw( 9) << fpNavigatorState->fExiting << " "
|
|
<< std::setw( 9) << fpNavigatorState->fEntering << " ";
|
|
if ( fpNavigatorState->fpBlockedPhysicalVolume==0 )
|
|
G4cout << std::setw(15) << "None";
|
|
else
|
|
G4cout << std::setw(15)<< fpNavigatorState->fpBlockedPhysicalVolume->GetName();
|
|
G4cout << std::setw( 9) << fpNavigatorState->fBlockedReplicaNo << " "
|
|
<< std::setw( 8) << fpNavigatorState->fLastStepWasZero << " "
|
|
<< G4endl;
|
|
}
|
|
if( fVerbose > 2 )
|
|
{
|
|
G4cout.precision(8);
|
|
G4cout << " Current Localpoint = " << fpNavigatorState->fLastLocatedPointLocal << G4endl;
|
|
G4cout << " PreviousSftOrigin = " << fpNavigatorState->fPreviousSftOrigin << G4endl;
|
|
G4cout << " PreviousSafety = " << fpNavigatorState->fPreviousSafety << G4endl;
|
|
}
|
|
G4cout.precision(oldcoutPrec);
|
|
}
|
|
|
|
// ********************************************************************
|
|
// ComputeStepLog
|
|
// ********************************************************************
|
|
//
|
|
void G4ITNavigator::ComputeStepLog(const G4ThreeVector& pGlobalpoint,
|
|
G4double moveLenSq) const
|
|
{
|
|
CheckNavigatorStateIsValid();
|
|
// The following checks only make sense if the move is larger
|
|
// than the tolerance.
|
|
|
|
static const G4double fAccuracyForWarning = kCarTolerance,
|
|
fAccuracyForException = 1000*kCarTolerance;
|
|
|
|
G4ThreeVector OriginalGlobalpoint = fpNavigatorState->fHistory.GetTopTransform().Inverse().
|
|
TransformPoint(fpNavigatorState->fLastLocatedPointLocal);
|
|
|
|
G4double shiftOriginSafSq = (fpNavigatorState->fPreviousSftOrigin-pGlobalpoint).mag2();
|
|
|
|
// Check that the starting point of this step is
|
|
// within the isotropic safety sphere of the last point
|
|
// to a accuracy/precision given by fAccuracyForWarning.
|
|
// If so give warning.
|
|
// If it fails by more than fAccuracyForException exit with error.
|
|
//
|
|
if( shiftOriginSafSq >= sqr(fpNavigatorState->fPreviousSafety) )
|
|
{
|
|
G4double shiftOrigin = std::sqrt(shiftOriginSafSq);
|
|
G4double diffShiftSaf = shiftOrigin - fpNavigatorState->fPreviousSafety;
|
|
|
|
if( diffShiftSaf > fAccuracyForWarning )
|
|
{
|
|
G4int oldcoutPrec= G4cout.precision(8);
|
|
G4int oldcerrPrec= G4cerr.precision(10);
|
|
std::ostringstream message, suggestion;
|
|
message << "Accuracy error or slightly inaccurate position shift."
|
|
<< G4endl
|
|
<< " The Step's starting point has moved "
|
|
<< std::sqrt(moveLenSq)/mm << " mm " << G4endl
|
|
<< " since the last call to a Locate method." << G4endl
|
|
<< " This has resulted in moving "
|
|
<< shiftOrigin/mm << " mm "
|
|
<< " from the last point at which the safety "
|
|
<< " was calculated " << G4endl
|
|
<< " which is more than the computed safety= "
|
|
<< fpNavigatorState->fPreviousSafety/mm << " mm at that point." << G4endl
|
|
<< " This difference is "
|
|
<< diffShiftSaf/mm << " mm." << G4endl
|
|
<< " The tolerated accuracy is "
|
|
<< fAccuracyForException/mm << " mm.";
|
|
|
|
suggestion << " ";
|
|
static G4int warnNow = 0;
|
|
if( ((++warnNow % 100) == 1) )
|
|
{
|
|
message << G4endl
|
|
<< " This problem can be due to either " << G4endl
|
|
<< " - a process that has proposed a displacement"
|
|
<< " larger than the current safety , or" << G4endl
|
|
<< " - inaccuracy in the computation of the safety";
|
|
suggestion << "We suggest that you " << G4endl
|
|
<< " - find i) what particle is being tracked, and "
|
|
<< " ii) through what part of your geometry " << G4endl
|
|
<< " for example by re-running this event with "
|
|
<< G4endl
|
|
<< " /tracking/verbose 1 " << G4endl
|
|
<< " - check which processes you declare for"
|
|
<< " this particle (and look at non-standard ones)"
|
|
<< G4endl
|
|
<< " - in case, create a detailed logfile"
|
|
<< " of this event using:" << G4endl
|
|
<< " /tracking/verbose 6 ";
|
|
}
|
|
G4Exception("G4ITNavigator::ComputeStep()",
|
|
"GeomNav1002", JustWarning,
|
|
message, G4String(suggestion.str()));
|
|
G4cout.precision(oldcoutPrec);
|
|
G4cerr.precision(oldcerrPrec);
|
|
}
|
|
#ifdef G4DEBUG_NAVIGATION
|
|
else
|
|
{
|
|
G4cerr << "WARNING - G4ITNavigator::ComputeStep()" << G4endl
|
|
<< " The Step's starting point has moved "
|
|
<< std::sqrt(moveLenSq) << "," << G4endl
|
|
<< " which has taken it to the limit of"
|
|
<< " the current safety. " << G4endl;
|
|
}
|
|
#endif
|
|
}
|
|
G4double safetyPlus = fpNavigatorState->fPreviousSafety + fAccuracyForException;
|
|
if ( shiftOriginSafSq > sqr(safetyPlus) )
|
|
{
|
|
std::ostringstream message;
|
|
message << "May lead to a crash or unreliable results." << G4endl
|
|
<< " Position has shifted considerably without"
|
|
<< " notifying the navigator !" << G4endl
|
|
<< " Tolerated safety: " << safetyPlus << G4endl
|
|
<< " Computed shift : " << shiftOriginSafSq;
|
|
G4Exception("G4ITNavigator::ComputeStep()", "GeomNav1002",
|
|
JustWarning, message);
|
|
}
|
|
}
|
|
|
|
// ********************************************************************
|
|
// Operator <<
|
|
// ********************************************************************
|
|
//
|
|
std::ostream& operator << (std::ostream &os,const G4ITNavigator &n)
|
|
{
|
|
n.CheckNavigatorState();
|
|
os << "Current History: " << G4endl << n.fpNavigatorState->fHistory;
|
|
return os;
|
|
}
|