SoTrd.h

Go to the documentation of this file.

//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * 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.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
//
//
/*-----------------------------Hepvis----------------------------------------*/
/*                                                                           */
/* Node:             SoTrd                                                   */
/* Description:      Represents the G4Trd Geant Geometry entity              */
/* Author:           Joe Boudreau Nov 11 1996                                */
/*                                                                           */
/*---------------------------------------------------------------------------*/
#ifndef HEPVis_SoTrd_h
#define HEPVis_SoTrd_h
 
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFNode.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/nodes/SoShape.h>
 
class SoSFNode;
 
//! SoTrd - Inventor version of the G4Trd Geant Geometry entity
/*!
 * Node:            SoTrd
 * 
 * Description:     Inventor version of the G4Trd Geant Geometry entity
 * 
 * Author:      Joe Boudreau Nov 11 1996
 * 
 * A Trd is a trapezoid with the x and y dimensions varying along z
 *
 * Always use Inventor Fields. This allows Inventor to detect a change to
 * the data field and take the appropriate action; e.g., redraw the scene.
 *
 */
 
#define SoTrd Geant4_SoTrd
 
class SoTrd:public SoShape {
 
  //
  //! This is required
  //
  SO_NODE_HEADER(SoTrd);
 
public:
 
  //
  //! half-length of x, at -fDz
  //
  SoSFFloat fDx1;                  
 
  //
  //! half-length of x, at +fDz
  //
  SoSFFloat fDx2;
 
  //
  //! half-length of y, at -fDz
  //
  SoSFFloat fDy1;
 
  //
  //! half-length of y, at +fDz
  //
  SoSFFloat fDy2;
 
  //
  //! half-length along Z
  //
  SoSFFloat fDz;
 
  //
  //! Alternate rep - required
  //
  SoSFNode  alternateRep;
 
  //
  //! Constructor, required
  //
  SoTrd();
 
  //
  //! Class Initializer, required
  //
  static void initClass();
 
  //
  //! Generate AlternateRep, required.  Generating an alternate representation
  //! must be done upon users request.  It allows an Inventor program to read
  //! back the file without requiring *this* code to be dynamically linked. 
  //! If the users expects that *this* code will be dynamically linked, he
  //! need not invoke this method.  
  //
  virtual void generateAlternateRep();
 
  //
  //! We better be able to clear it, too!
  //
  virtual void clearAlternateRep();
 
protected:
 
  //
  //! compute bounding Box, required
  //
  virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center );
 
  //
  //! Generate Primitives, required
  //
  virtual void generatePrimitives(SoAction *action);
 
  //
  //! GetChildList, required whenever the class has hidden children
  //
  virtual SoChildList *getChildren() const;
 
 
protected:
 
  //
  //! Destructor, required
  //
  virtual ~SoTrd();
 
private: 
 
  //
  //! Generate Children. Used to create the hidden children. Required whenever
  //! the node has hidden children.  
  //
  void generateChildren();  
 
  //
  //! Used to modify hidden children when a data field is changed. Required 
  //! whenever the class has hidden children. 
  //
  void updateChildren();
 
  //
  //! ChildList. Required whenever the class has hidden children.  
  //
  SoChildList *children;
};
class SoTrd:public SoShape {…};
 
#endif