cg3d::Planar3d Class Reference

A convex planar polyhedron, with its vertices scattered in 3D. More...

#include <cg3d.h>

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Public Member Functions
	Planar3d (PointSet3d *ps_)
int	getPoints (void) const
int	getPointIndex (int p) const
const CkVector3d &	getPoint (int p) const
void	addPoint (int ptIdx)
	Add a new point along our boundary. Points must be presented in order.
void	addPoint (int pt0, int pt1, int pt2)
void	addPoint (int pt0, int pt1, int pt2, int pt3)
bool	addConstraint (int halfspace)
	Clip this shape to lie within this halfspace.
Private Types
enum	{ maxPts = 4+2*6 }
Private Attributes
PointSet3d *	ps
int	nPts
int	pts [maxPts]

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Detailed Description

A convex planar polyhedron, with its vertices scattered in 3D.

This typically represents the face of some shape.

The representation is a chain of boundary points, which are split and queried as each halfspace is intersected.

Definition at line 105 of file cg3d.h.

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Member Enumeration Documentation

anonymous enum [private]

Enumerator:

maxPts

Definition at line 107 of file cg3d.h.

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Constructor & Destructor Documentation

Planar3d::Planar3d

(

PointSet3d *

ps_

)

Definition at line 66 of file cg3d.C.

References nPts, and ps.

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Member Function Documentation

int cg3d::Planar3d::getPoints

(

void

)

const [inline]

Definition at line 112 of file cg3d.h.

References nPts.

Referenced by cg3d::Volume3dDest::addFace(), and cg3d::intersect().

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int cg3d::Planar3d::getPointIndex

(

int

p

)

const [inline]

Definition at line 113 of file cg3d.h.

References pts.

Referenced by cg3d::intersect().

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const CkVector3d& cg3d::Planar3d::getPoint

(

int

p

)

const [inline]

Definition at line 114 of file cg3d.h.

References cg3d::PointSet3d::getPoint(), ps, and pts.

Referenced by addConstraint(), and cg3d::Volume3dDest::addFace().

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void cg3d::Planar3d::addPoint

(

int

ptIdx

)

[inline]

Add a new point along our boundary. Points must be presented in order.

Definition at line 118 of file cg3d.h.

References nPts, and pts.

Referenced by cg3d::Tet3d::getFace().

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void cg3d::Planar3d::addPoint	(	int	pt0,
		int	pt1,
		int	pt2
	)			[inline]

Definition at line 121 of file cg3d.h.

References nPts, and pts.

void cg3d::Planar3d::addPoint	(	int	pt0,
		int	pt1,
		int	pt2,
		int	pt3
	)			[inline]

Definition at line 127 of file cg3d.h.

References nPts, and pts.

bool Planar3d::addConstraint

(

int

halfspace

)

Clip this shape to lie within this halfspace.

Returns false if we are made empty by the intersection.

Returns true if we are made empty by the intersection.

Definition at line 73 of file cg3d.C.

References cg3d::PointSet3d::addPoint(), cg3d::PointSet3d::getHalfspace(), getPoint(), h, CkHalfspace3d::intersectPt(), cg3d::PointSet3d::isOutside(), maxPts, nPts, ps, and pts.

Referenced by cg3d::intersect().

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Field Documentation

PointSet3d* cg3d::Planar3d::ps [private]

Definition at line 106 of file cg3d.h.

Referenced by addConstraint(), getPoint(), and Planar3d().

int cg3d::Planar3d::nPts [private]

Definition at line 107 of file cg3d.h.

Referenced by addConstraint(), addPoint(), getPoints(), and Planar3d().

int cg3d::Planar3d::pts[maxPts] [private]

Definition at line 108 of file cg3d.h.

Referenced by addConstraint(), addPoint(), getPoint(), and getPointIndex().

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

• libs/ck-libs/datatransfer/cg3d.h
• libs/ck-libs/datatransfer/cg3d.C