LDM/SoLDMGeometry.h

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**=======================================================================*/
/*=======================================================================
** Author      : J.HUMMEL (Dec 2002)
** Modified by : T.DUFOUR (MMM yyyy)
**=======================================================================*/
#ifndef  _SO_LDM_VVIZ_GEOMETRY_
#define  _SO_LDM_VVIZ_GEOMETRY_

#include <LDM/SoLDMLargeDataManagement.h>
#include <LDM/SoLDMTileVisitor.h>
#include <Inventor/SbPList.h>
#include <Inventor/SbElapsedTime.h>

class SoAction;
class SoNode;
class SoROI;

#ifdef _MSC_VER
#pragma warning( push )
#pragma warning(disable:4251)
#endif

SoEXTENDER_Documented      class SoDEPRECATED  SoLDMGeometry : public SoLDMLargeDataManagement
{
public:
  SoLDMGeometry();

  virtual ~SoLDMGeometry();

  void beginCollectingGeometry(SoState* state = NULL);

  void addGeometry( SoAction *action, SoNode* node );

  void endCollectingGeometry(SoState* state = NULL);

  bool isTileInROI(SoROI*, const SbBox3i32& ,SoLDMTileVisitor::NodeStatus&, SbBool);

  int getGeometry(SbPList& geomList);

  void assignTilePriority();

private:
  void setUpdateGeometry(); //mark geomtries as cache invalid
  bool needsUpdate();       //does any geom need update
  bool toUpdate(SoNode*);   //does this node needs cache update?
  void updated(SoNode*);    //this node cache has been updated.

  bool has2DShapes();

  bool has3DShapes();

  bool isCollecting(){return m_isCollecting;};

  //distance from a point to a plane in data coordinnate
  static int getPointToPlaneDistance(const SbVec3i32& point, const SbPlane& plane);

  //distance from a point to the nearest plane of a box in data coordinnate
  static int getPointToBoxSkinDistance(const SbVec3i32& point, const SbBox3i32& box);

  bool            m_ROIChanged;

  //------------------------------------------------------------------------------
private:
  struct GeometryInfos
  {
    GeometryInfos() : m_firstMove(1),
                         m_userIsInteracting(FALSE),
                         m_changeNotification(FALSE),
                         m_numGeoms(0), m_currentGeomIndex(0) {}
    int               m_firstMove;
    SbBool            m_userIsInteracting;
    SbBool            m_changeNotification;

    SbPList           m_geometryList;
    int               m_numGeoms;
    int               m_currentGeomIndex;
  };
  typedef std::map<int, GeometryInfos> CtxGeometryMap;

  CtxGeometryMap m_geometryInfos;

  static void setUpdateGeometry(CtxGeometryMap::value_type& p);
  static bool needsUpdate(CtxGeometryMap::value_type& p);
  static void deleteLDMGeomElement(CtxGeometryMap::value_type& p);

  void removeUnusuedContext();

  void              handleInteraction(SoState* state);
  bool              m_rightEye; //stereo?

  bool              m_isCollecting;
  //temp var for no_user_interaction mode:
  SbBool            m_viewCulling;
  int               m_sliceTexLoadRate;
  int               m_texLoadRate;
  LDM_TILE_ID_TYPE  m_maxTileID;

  friend class SoLDMGeometryToUpdate;
  friend class SoLDMGeometryUpdated;
};
//--------------------------------------------------------------------------------

#ifdef _MSC_VER
#pragma warning( pop )
#endif

#endif // _SO_LDM_VVIZ_GEOMETRY_

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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