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geant4/source/visualization/modeling/include/G4VModel.hh
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//
// ********************************************************************
// * DISCLAIMER *
// * *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
// * govern, are listed with their locations in: *
// * http://cern.ch/geant4/license *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. *
// * *
// * This code implementation is the intellectual property of the *
// * GEANT4 collaboration. *
// * By copying, distributing or modifying the Program (or any work *
// * based on the Program) you indicate your acceptance of this *
// * statement, and all its terms. *
// ********************************************************************
//
//
// $Id: G4VModel.hh,v 1.14 2003/06/16 17:14:29 gunter Exp $
// GEANT4 tag $Name: geant4-05-02 $
//
//
// John Allison 31st December 1997.
//
// Class Description:
//
// G4VModel is a base class for visualization models. A model is a
// graphics-system-indepedent description of a Geant4 component.
// The key fuctionality of a model is to know how to describe itself
// to a scene handler. A scene is a collection of models.
// A special case is made for G4PhysicalVolumeModel - a non-null pointer
// is to be returned by G4PhysicalVolumeModel::GetG4PhysicalVolumeModel().
#ifndef G4VMODEL_HH
#define G4VMODEL_HH
#include "globals.hh"
#include "G4VisExtent.hh"
#include "G4Transform3D.hh"
class G4VGraphicsScene;
class G4ModelingParameters;
class G4PhysicalVolumeModel; // Special case - see above.
class G4VModel {
public: // With description
friend std::ostream& operator << (std::ostream& os, const G4VModel&);
G4VModel
(const G4Transform3D& modelTransformation = G4Transform3D::Identity,
const G4ModelingParameters* = 0);
virtual ~G4VModel ();
virtual void DescribeYourselfTo (G4VGraphicsScene&) = 0;
// The main task of a model is to describe itself to the graphics scene.
const G4ModelingParameters* GetModelingParameters () const;
virtual G4String GetCurrentDescription () const;
// A description which depends on the current state of the model.
virtual G4String GetCurrentTag () const;
// A tag which depends on the current state of the model.
const G4VisExtent& GetExtent () const;
// Extent of visible objects in local coordinate system.
// Define protected data member in derived class constructor.
const G4String& GetGlobalDescription () const;
// A description which does not change and lasts the life of the model.
// Define protected data member in derived class constructor.
const G4String& GetGlobalTag () const;
// A tag which does not change and lasts the life of the model.
// Define protected data member in derived class constructor.
const G4Transform3D& GetTransformation () const;
// Model transformation, i.e., position and orientation of model in world.
virtual const G4PhysicalVolumeModel* GetG4PhysicalVolumeModel () const;
virtual G4PhysicalVolumeModel* GetG4PhysicalVolumeModel ();
// Returns 0 unless implemented by derived class.
void SetModelingParameters (const G4ModelingParameters*);
void SetExtent (const G4VisExtent&);
virtual G4bool Validate (G4bool warn = true);
// Validate, but allow internal changes (hence non-const function).
protected:
G4String fGlobalTag;
G4String fGlobalDescription;
G4VisExtent fExtent;
G4Transform3D fTransform;
const G4ModelingParameters* fpMP;
private:
// Private copy constructor and assigment operator - copying and
// assignment not allowed. Keeps CodeWizard happy.
G4VModel (const G4VModel&);
G4VModel& operator = (const G4VModel&);
};
#include "G4VModel.icc"
#endif