SoObliqueSlice.h

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**=======================================================================*/
/*=======================================================================
** Author      : P. ESTRADE (Mar 2000)
**=======================================================================*/
#ifndef  _SO_OBLIQUE_SLICE_
#define  _SO_OBLIQUE_SLICE_
 
#ifdef _MSC_VER
#pragma warning( push )
#pragma warning(disable:4251)
#endif
 
#include <Inventor/nodes/SoShape.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/fields/SoSFPlane.h>
#include <Inventor/fields/SoSFNode.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/STL/vector>
#include <VolumeViz/nodes/SoVolumeRendering.h>
#include <VolumeViz/nodes/SoSlice.h>
#include <LDM/SoLDM.h>
 
class SoVolumeData;
class SoCache;
class SoLDMObliqueSliceGeom;
 
class SoObliqueSliceLdm;
class SoObliqueSliceInterface;
class SoObliqueSlicePaging;
class SoVolumeStateObliqueSlice;
class SoGetBoundingBoxAction;
class SoCallback;
 
class  SoObliqueSlice : public SoSlice {
  SO_NODE_HEADER( SoObliqueSlice );
 
 public:
 
  SoSFInt32 dataSetId;
 
  SoSFPlane plane;
 
  SoObliqueSlice();
 
 
 
private:
  void computeBBox(SoAction *, SbBox3f &box, SbVec3f &center);
 
  virtual void write(SoWriteAction *action);
  
  virtual SoNode* getAlternateRep( SoAction* action );
 
  virtual void GLRender( SoGLRenderAction* action );
 
private:
  static void initClass();
  static void exitClass();
 
  virtual SoNode* createAlternateRep( SoAction *action );
 
  virtual void notify(SoNotList *list);
 
  bool m_backFace;
 
private:
 
  void setupSliceInterface();
 
  void generatePrimitives(SoAction* action);
 
  SoDetail* createTriangleDetail(SoRayPickAction*,
    const SoPrimitiveVertex* v1,
    const SoPrimitiveVertex*,
    const SoPrimitiveVertex*,
    SoPickedPoint*);
 
  void doRendering(SoGLRenderAction* action);
 
  virtual SbBool readInstance(SoInput* in, unsigned short flags);
 
  virtual ~SoObliqueSlice();
 
  SbBool m_altRepCreatedHere;
 
  SoObliqueSliceInterface* m_sliceInterface;
  SoObliqueSliceLdm* m_sliceLdm;
 
  SoVolumeStateObliqueSlice* m_vs;
 
private:
  SoCallback* m_preEltsCBNode;
  SoCallback* m_postEltsCBNode;
  int m_savedVertexOrdering;
  int m_savedShapeType;
  SoLDM::DataSetIdPair m_savedMasterIdPair;
 
 
  friend class SoObliqueSliceLdm;
};
 
#ifdef _MSC_VER
#pragma warning( pop )
#endif
 
#endif // _SO_OBLIQUE_SLICE_