makVrv::DtOsgEarthBoundary Class Reference

DtOsgEarthBoundary. More...

Classes
class	VertexCollectionVisitor
	VertexCollectionVisitor. More...

Public Member Functions
	DtOsgEarthBoundary ()
	The default constructor. More...

Static Public Member Functions
static void	setTolerance (double meters)
	Sets the tolerance when combining close verts. Default = 0.01. More...
static double	getTolerance ()
	Gets the tolerance when combining close verts. Default = 0.01. More...
static osg::Vec3dArray *	getBoundary (osg::Node *modelNode, bool geocentric=true, bool convexHull=false)
	Use the vertices of the given node to calculate a boundary via the findHull() method. More...
static osg::Vec3dArray *	findHull (osg::Vec3dArray &points)
	Finds the convex hull for the given points using the Andrew's monotone chain algorithm. More...
static osg::Vec3dArray *	findMeshBoundary (osg::Node *modelNode, bool geocentric=true)
	Finds the boundary of the mesh. More...

Static Protected Member Functions
static osg::Vec3dArray *	hullPresortPoints (osg::Vec3dArray &points)
	Returns an array containing the points sorted first by x and then by y. More...
static float	isLeft (osg::Vec3d P0, osg::Vec3d P1, osg::Vec3d P2)
	Tests if a point is Left|On|Right of an infinite line Returns: >0 for P2 left of the line through P0 and P1 0 for P2 on the line <0 for P2 right of the line. More...

Static Protected Attributes
static double	myTolerance

Private Member Functions
	DtOsgEarthBoundary (const DtOsgEarthBoundary &)
	Copy Constructor not implemented – Copy not allowed. More...
DtOsgEarthBoundary &	operator= (const DtOsgEarthBoundary &)
	Assignment Operator not implemented – Copy not allowed. More...

Detailed Description

DtOsgEarthBoundary.

This class is the same as osgEarth::BoundaryUtil. It's used to generate a boundary of a osg::Node.

Constructor & Destructor Documentation

makVrv::DtOsgEarthBoundary::DtOsgEarthBoundary

(

)

The default constructor.

makVrv::DtOsgEarthBoundary::DtOsgEarthBoundary ( const DtOsgEarthBoundary &  )

private

Copy Constructor not implemented – Copy not allowed.

Member Function Documentation

static void makVrv::DtOsgEarthBoundary::setTolerance ( double  meters )

static

Sets the tolerance when combining close verts. Default = 0.01.

static double makVrv::DtOsgEarthBoundary::getTolerance ( )

inlinestatic

Gets the tolerance when combining close verts. Default = 0.01.

static osg::Vec3dArray* makVrv::DtOsgEarthBoundary::getBoundary ( osg::Node *  modelNode, bool  geocentric = true, bool  convexHull = false  )

static

Use the vertices of the given node to calculate a boundary via the findHull() method.

static osg::Vec3dArray* makVrv::DtOsgEarthBoundary::findHull ( osg::Vec3dArray &  points )

static

Finds the convex hull for the given points using the Andrew's monotone chain algorithm.

Returns an ordered set of points defining the hull.

static osg::Vec3dArray* makVrv::DtOsgEarthBoundary::findMeshBoundary ( osg::Node *  modelNode, bool  geocentric = true  )

static

Finds the boundary of the mesh.

Parameters

modelNode	The node of the model.
geocentric	If the model is in geocentric coordinate.

static osg::Vec3dArray* makVrv::DtOsgEarthBoundary::hullPresortPoints ( osg::Vec3dArray &  points )

staticprotected

Returns an array containing the points sorted first by x and then by y.

static float makVrv::DtOsgEarthBoundary::isLeft ( osg::Vec3d  P0, osg::Vec3d  P1, osg::Vec3d  P2  )

inlinestaticprotected

Tests if a point is Left|On|Right of an infinite line Returns: >0 for P2 left of the line through P0 and P1 0 for P2 on the line <0 for P2 right of the line.

Implementation based on method from softSurfer (www.softsurfer.com)

DtOsgEarthBoundary& makVrv::DtOsgEarthBoundary::operator= ( const DtOsgEarthBoundary &  )

private

Assignment Operator not implemented – Copy not allowed.

Member Data Documentation

double makVrv::DtOsgEarthBoundary::myTolerance

staticprotected

---

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

• /data/exports/nrhent7-1/nightly/docs/vrForces.vrf4-10-branch/include/vrvOsgEarth/DtOsgEarthBoundary.h