osgExtension::Group Class Reference

Leaf Node for grouping Drawables. More...

Inherited by osgAR::Assessment, osgAR::RegionCGAL, osgAR::RegionNoCGAL, and osgExtension::Camera.

Public Member Functions
	Group (const Group &, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
bool	clearMatrixEstimates (void)
	clear the matrix estimates stored in this group.
bool	addMatrixEstimate (osg::NodePath &, const MatrixEstimate &)
	Add another matrix estimate. Matrix estimates correspond to different paths.
bool	removeMatrixEstimate (osg::NodePath &)
	Remove the matrix estimate correspoind to specified path.
bool	replaceMatrixEstimate (osg::NodePath &, const MatrixEstimate &, osg::NodePath &)
	Replace the matrix estimate corresponding to the especified path.
bool	containsMatrixEstimate (osg::NodePath &)
	Return true if a matrix estimate for a given path is stored, false otherwise.
bool	containsMatrixEstimate (const osg::NodePath &)
	Return true if a matrix estimate for a given path is stored, false otherwise.
MatrixEstimate &	getMatrixEstimate (unsigned int)
	Return the matrix estimate stored at the specified position.
const MatrixEstimate &	getMatrixEstimate (unsigned int) const
	Return the const matrix estimate stored at the specified position.
MatrixEstimate &	getMatrixEstimate (const osg::NodePath &)
	Return the matrix estimate for a given path.
const MatrixEstimate &	getMatrixEstimate (const osg::NodePath &) const
	Return the cont matrix estimate for a given path.
void	setVertices (const osg::Vec3Array *vertices)
const osg::Vec3Array *	getVertices (void)
	Return the vertices for the children of all subtrees.
void	setDamaged (bool val)
	Set if the node is damaged.
bool	isDamaged (void)
	Return if this node is damaged.
virtual void	augment (osgView::SpaceManager *, const MatrixEstimate &, const osg::Vec3Array *, osg::NodePath &)=0
Static Protected Attributes
const int	ELLIPSE_PTS = 20

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Detailed Description

Stores both the vertices that correspond to subtree and a matrix estimate representing the view independent estimate. Both information are used for computing the view dependent error estimate.

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Constructor & Destructor Documentation

Group::Group (  const Group &  , const osg::CopyOp &  copyop = osg::CopyOp::SHALLOW_COPY )

Copy constructor using CopyOp to manage deep vs shallow copy.

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Member Function Documentation

bool Group::addMatrixEstimate (  osg::NodePath &  path, const MatrixEstimate &  matrixEstimate )

add the const matrix estimate corresponding to the specified path Parameters: path  the NodePath matrixEstimate  the new matrix estimate Returns: true if successful, false otherwise

virtual void osgExtension::Group::augment (  osgView::SpaceManager *  , const MatrixEstimate &  , const osg::Vec3Array *  , osg::NodePath &  )  [pure virtual]

augment is called by the augmentVisitor each subclass of osgExtension::Group should implement this.

bool Group::clearMatrixEstimates (  void   )

clear the EstimateList Returns: true

bool Group::containsMatrixEstimate (  const osg::NodePath &  path  )

checkes whether or not there is a MatrixEstimate corresponding to the specified path Parameters: path  the const NodePath Returns: true if there is a matrix estimate, false otherwise

bool Group::containsMatrixEstimate (  osg::NodePath &  path  )

checkes whether or not there is a MatrixEstimate corresponding to the specified path Parameters: path  the NodePath Returns: true if there is a matrix estimate, false otherwise

const MatrixEstimate & Group::getMatrixEstimate (  const osg::NodePath &  path  )  const

get the const matrix estimate corresponding to the specified path Parameters: path  the NodePath Returns: the const MatrixEstimate

MatrixEstimate & Group::getMatrixEstimate (  const osg::NodePath &  path  )

get the matrix estimate corresponding to the specified path Parameters: path  the NodePath Returns: the MatrixEstimate

const MatrixEstimate & Group::getMatrixEstimate (  unsigned int  pos  )  const

get the const matrix estimate store at a given position. Parameters: pos  the position on the EstimateList Returns: the const MatrixEstimate

MatrixEstimate & Group::getMatrixEstimate (  unsigned int  pos  )

get the matrix estimate store at a given position. Parameters: pos  the position on the EstimateList Returns: the MatrixEstimate

const osg::Vec3Array * Group::getVertices (  void   )

return the vertices corresponding to the 3D convex hull Returns: the vertices

bool Group::removeMatrixEstimate (  osg::NodePath &  path  )

remove the const matrix estimate corresponding to the specified path Parameters: path  the NodePath Returns: true if successful, false otherwise

bool Group::replaceMatrixEstimate (  osg::NodePath &  path, const MatrixEstimate &  matrixEstimate, osg::NodePath &  newPath )

replace the const matrix estimate corresponding to the specified path Parameters: path  the NodePath matrixEstimate  the new matrix estimate newPath  the new NodePath Returns: true if successful, false otherwise

void Group::setVertices (  const osg::Vec3Array *  vertices  )

Set the vertices corresponding to all the children This function locally computes the 3D convex hull of the vertices before storing them.

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The documentation for this class was generated from the following files:

• Group
• Group.cpp

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