Gabriele Cosmo
233 lines
8.9 KiB
C++
233 lines
8.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4PhysicalVolumeModel.hh,v 1.28 2006/06/29 21:30:34 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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//
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//
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// John Allison 31st December 1997.
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//
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// Class Description:
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//
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// Model for physical volumes. It describes a physical volume and its
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// daughters to any desired depth. Note: the "requested depth" is
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// specified in the modeling parameters; enum {UNLIMITED = -1}.
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//
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// For access to base class information, e.g., modeling parameters,
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// use GetModelingParameters() inherited from G4VModel. See Class
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// Description of the base class G4VModel.
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//
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// G4PhysicalVolumeModel assumes the modeling parameters have been set
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// up with meaningful information - default vis attributes and culling
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// policy in particular.
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#ifndef G4PHYSICALVOLUMEMODEL_HH
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#define G4PHYSICALVOLUMEMODEL_HH
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#include "G4VModel.hh"
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#include "G4Transform3D.hh"
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#include <iostream>
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#include <vector>
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class G4VPhysicalVolume;
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class G4LogicalVolume;
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class G4VSolid;
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class G4Material;
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class G4VisAttributes;
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class G4Polyhedron;
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class G4PhysicalVolumeModel: public G4VModel {
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public: // With description
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enum {UNLIMITED = -1};
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class G4PhysicalVolumeNodeID {
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public:
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G4PhysicalVolumeNodeID(G4VPhysicalVolume* pPV = 0, G4int iCopyNo = 0):
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fpPV(pPV), fCopyNo(iCopyNo) {}
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G4VPhysicalVolume* GetPhysicalVolume() const {return fpPV;}
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G4int GetCopyNo() const {return fCopyNo;}
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G4bool operator< (const G4PhysicalVolumeNodeID& right) const;
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G4bool operator== (const G4PhysicalVolumeNodeID& right) const;
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private:
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G4VPhysicalVolume* fpPV;
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G4int fCopyNo;
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};
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// Nested class for identifying physical volume nodes.
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G4PhysicalVolumeModel
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(G4VPhysicalVolume*,
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G4int requestedDepth = UNLIMITED,
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const G4Transform3D& modelTransformation = G4Transform3D(),
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const G4ModelingParameters* = 0,
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G4bool useFullExtent = false);
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virtual ~G4PhysicalVolumeModel ();
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void DescribeYourselfTo (G4VGraphicsScene&);
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// The main task of a model is to describe itself to the graphics scene
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// handler (a object which inherits G4VSceneHandler, which inherits
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// G4VGraphicsScene). It can also provide special information
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// through pointers to working space in the scene handler. These
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// pointers must be set up (if required by the scene handler) in the
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// scene handler's implementaion of EstablishSpecials
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// (G4PhysicalVolumeModel&) which is called from here. To do this,
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// the scene handler should call DefinePointersToWorkingSpace - see
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// below. DecommissionSpecials (G4PhysicalVolumeModel&) is also
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// called from here. To see how this works, look at the
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// implementation of this function and
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// G4VSceneHandler::Establish/DecommissionSpecials.
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G4String GetCurrentDescription () const;
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// A description which depends on the current state of the model.
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G4String GetCurrentTag () const;
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// A tag which depends on the current state of the model.
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const G4PhysicalVolumeModel* GetG4PhysicalVolumeModel () const
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{return this;}
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G4PhysicalVolumeModel* GetG4PhysicalVolumeModel ()
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{return this;}
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G4VPhysicalVolume* GetTopPhysicalVolume () const {return fpTopPV;}
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G4int GetRequestedDepth () const {return fRequestedDepth;}
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const G4Polyhedron* GetClippingVolume () const
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{return fpClippingPolyhedron;}
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G4int GetCurrentDepth() const {return fCurrentDepth;}
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// Current depth of geom. hierarchy.
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G4VPhysicalVolume* GetCurrentPV() const {return fpCurrentPV;}
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// Current physical volume.
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G4LogicalVolume* GetCurrentLV() const {return fpCurrentLV;}
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// Current logical volume.
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G4Material* GetCurrentMaterial() const {return fpCurrentMaterial;}
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// Current material.
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const std::vector<G4PhysicalVolumeNodeID>& GetDrawnPVPath() const
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{return fDrawnPVPath;}
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// Path of the current drawn (non-culled) volume in terms of drawn
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// (non-culled) ancesters. It is a vector of physical volume node
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// identifiers corresponding to the geometry hierarchy actually
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// selected, i.e., not culled. It is guaranteed that volumes are
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// presented to the scene handlers in top-down hierarchy order,
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// i.e., ancesters first, mothers before daughters, so the scene
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// handler can be assured that, if it is building its own scene
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// graph tree, a mother, if any, will have already been encountered
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// and there will already be a node in place on which to hang the
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// current volume.
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void SetRequestedDepth (G4int requestedDepth) {
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fRequestedDepth = requestedDepth;
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}
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void SetClippingPolyhedron (const G4Polyhedron* pClippingPolyhedron) {
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fpClippingPolyhedron = pClippingPolyhedron;
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}
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G4bool Validate (G4bool warn);
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// Validate, but allow internal changes (hence non-const function).
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void DefinePointersToWorkingSpace
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(G4int* pCurrentDepth = 0,
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G4VPhysicalVolume** ppCurrentPV = 0,
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G4LogicalVolume** ppCurrentLV = 0,
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G4Material** ppCurrentMaterial = 0,
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std::vector<G4PhysicalVolumeNodeID>* pDrawnPVPath = 0);
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// For use (optional) by the scene handler if it needs to know about
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// the current information maintained through these pointers. For
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// description of pointers, see below.
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void CurtailDescent() {fCurtailDescent = true;}
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protected:
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void VisitGeometryAndGetVisReps (G4VPhysicalVolume*,
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G4int requestedDepth,
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const G4Transform3D&,
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G4VGraphicsScene&);
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void DescribeAndDescend (G4VPhysicalVolume*,
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G4int requestedDepth,
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G4LogicalVolume*,
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G4VSolid*,
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G4Material*,
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const G4Transform3D&,
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G4VGraphicsScene&);
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virtual void DescribeSolid (const G4Transform3D& theAT,
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G4VSolid* pSol,
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const G4VisAttributes* pVisAttribs,
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G4VGraphicsScene& sceneHandler);
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void CalculateExtent ();
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/////////////////////////////////////////////////////////
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// Data members...
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G4VPhysicalVolume* fpTopPV; // The physical volume.
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G4String fTopPVName; // ...of the physical volume.
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G4int fTopPVCopyNo; // ...of the physical volume.
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G4int fRequestedDepth;
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// Requested depth of geom. hierarchy search.
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G4bool fUseFullExtent; // ...if requested.
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G4int fCurrentDepth; // Current depth of geom. hierarchy.
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G4VPhysicalVolume* fpCurrentPV; // Current physical volume.
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G4LogicalVolume* fpCurrentLV; // Current logical volume.
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G4Material* fpCurrentMaterial; // Current material.
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std::vector<G4PhysicalVolumeNodeID> fDrawnPVPath;
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G4bool fCurtailDescent; // Can be set to curtail descent.
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const G4Polyhedron*fpClippingPolyhedron;
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////////////////////////////////////////////////////////////
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// Pointers to working space in scene handler, if required.
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G4int* fpCurrentDepth; // Current depth of geom. hierarchy.
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G4VPhysicalVolume** fppCurrentPV; // Current physical volume.
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G4LogicalVolume** fppCurrentLV; // Current logical volume.
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G4Material** fppCurrentMaterial; // Current material.
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std::vector<G4PhysicalVolumeNodeID>* fpDrawnPVPath;
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private:
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// Private copy constructor and assigment operator - copying and
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// assignment not allowed. Keeps CodeWizard happy.
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G4PhysicalVolumeModel (const G4PhysicalVolumeModel&);
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G4PhysicalVolumeModel& operator = (const G4PhysicalVolumeModel&);
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};
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std::ostream& operator<<
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(std::ostream& os, const G4PhysicalVolumeModel::G4PhysicalVolumeNodeID);
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#endif
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