Gabriele Cosmo
151 lines
6.5 KiB
C++
151 lines
6.5 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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// G4NormalNavigation
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//
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// Class description:
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//
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// Utility for navigation in volumes containing only G4PVPlacement
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// daughter volumes.
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// Author: Paul Kent (CERN), August 1996
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// --------------------------------------------------------------------
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#ifndef G4NORMALNAVIGATION_HH
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#define G4NORMALNAVIGATION_HH 1
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#include <iomanip>
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#include "G4VNavigation.hh"
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#include "G4NavigationHistory.hh"
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#include "G4VPhysicalVolume.hh"
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#include "G4LogicalVolume.hh"
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#include "G4VSolid.hh"
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#include "G4ThreeVector.hh"
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#include "G4AuxiliaryNavServices.hh"
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class G4NavigationLogger;
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/**
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* @brief G4NormalNavigation is a concrete utility class for navigation in
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* volumes containing only G4PVPlacement daughter volumes.
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*/
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class G4NormalNavigation : public G4VNavigation
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{
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public:
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/**
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* Constructor and Destructor.
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*/
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G4NormalNavigation();
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~G4NormalNavigation() override;
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/**
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* Searches positioned volumes in mother at current top level of history
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* for volume containing @p globalPoint. Do not test against @p blockedVol.
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* If a containing volume is found, push it onto navigation history state
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* and return true, else return false (the point lying in the mother but
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* not any of the daughters).
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* @param[in,out] history Navigation history.
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* @param[in,out] blockedVol Blocked volume to be ignored in queries.
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* @param[in,out] blockedNum Copy number for blocked volumes.
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* @param[in,out] globalPoint Point in global coordinates system.
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* @param[in,out] globalDirection Pointer to global direction or null.
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* @param[in] pLocatedOnEdge Flag specifying if point is located on edge.
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* @param[in,out] localPoint Point in local coordinates system.
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* @returns Whether a containing volume has been found.
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*/
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inline G4bool LevelLocate( G4NavigationHistory& history,
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const G4VPhysicalVolume* blockedVol,
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const G4int blockedNum,
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const G4ThreeVector& globalPoint,
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const G4ThreeVector* globalDirection,
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const G4bool pLocatedOnEdge,
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G4ThreeVector& localPoint) final;
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/**
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* Computes the length of a step to the next boundary.
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* Does not test against @p pBlockedPhysical. Identifies the next candidate
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* volume (if a daughter of the current volume), and returns it in:
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* pBlockedPhysical, blockedReplicaNo.
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* @param[in] localPoint Local point.
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* @param[in] localDirection Pointer to local direction or null pointer.
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* @param[in] currentProposedStepLength Current proposed step length.
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* @param[in,out] newSafety New safety.
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* @param[in,out] history Navigation history.
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* @param[in,out] validExitNormal Flag to indicate whether exit normal is
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* valid or not.
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* @param[in,out] exitNormal Exit normal.
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* @param[in,out] exiting Flag to indicate whether exiting a volume.
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* @param[in,out] entering Flag to indicate whether entering a volume.
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* @param[in,out] pBlockedPhysical Blocked physical volume that should be
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* ignored in queries.
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* @param[in,out] blockedReplicaNo Copy number for blocked replica volumes.
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* @returns Length from current point to next boundary surface along
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* @p localDirection.
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*/
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G4double ComputeStep( const G4ThreeVector& localPoint,
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const G4ThreeVector& localDirection,
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const G4double currentProposedStepLength,
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G4double& newSafety,
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G4NavigationHistory& history,
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G4bool& validExitNormal,
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G4ThreeVector& exitNormal,
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G4bool& exiting,
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G4bool& entering,
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G4VPhysicalVolume* (*pBlockedPhysical),
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G4int& blockedReplicaNo ) final;
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/**
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* Calculates the isotropic distance to the nearest boundary from the
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* specified point in the local coordinate system.
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* The localpoint utilised must be within the current volume.
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* @param[in] localPoint Local point.
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* @param[in] history Navigation history.
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* @param[in] pMaxLength Maximum step length beyond which volumes
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* need not be checked.
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* @returns Length from current point to closest surface.
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*/
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G4double ComputeSafety( const G4ThreeVector& localpoint,
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const G4NavigationHistory& history,
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const G4double pMaxLength=DBL_MAX ) final;
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/**
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* Verbosity control.
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* @note If level>0 && G4VERBOSE, printout can occur.
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*/
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G4int GetVerboseLevel() const final;
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void SetVerboseLevel(G4int level) final;
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private:
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G4NavigationLogger* fLogger;
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};
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#include "G4NormalNavigation.icc"
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#endif
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