math.geom2d.domain

Class Boundaries2D

java.lang.Object

math.geom2d.domain.Boundaries2D

public abstract class Boundaries2D
extends java.lang.Object

Collects some useful methods for operating on boundary curves.

Constructor Summary

Constructors

Constructor and Description
Boundaries2D()

Method Summary

Modifier and Type	Method and Description
static ContourArray2D<Contour2D>	clipBoundary(Boundary2D boundary, Box2D box) Clips a boundary and closes the result curve.
static CurveSet2D<ContinuousOrientedCurve2D>	clipContinuousOrientedCurve(ContinuousOrientedCurve2D curve, Box2D box) Clip a curve, and return a CurveSet2D.
static int	findNextCurveIndex(double[] positions, double pos)
static Polyline2D	getBoundaryPortion(Box2D box, Point2D p0, Point2D p1) Extracts a portion of the boundary of a bounded box.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Boundaries2D

public Boundaries2D()

Method Detail

clipContinuousOrientedCurve

public static final CurveSet2D<ContinuousOrientedCurve2D> clipContinuousOrientedCurve(ContinuousOrientedCurve2D curve,
                                                                                      Box2D box)

Clip a curve, and return a CurveSet2D. If the curve is totally outside the box, return a CurveSet2D with 0 curves inside. If the curve is totally inside the box, return a CurveSet2D with only one curve, which is the original curve.

clipBoundary

public static final ContourArray2D<Contour2D> clipBoundary(Boundary2D boundary,
                                                           Box2D box)

Clips a boundary and closes the result curve. Returns an instance of ContourArray2D.

findNextCurveIndex

public static final int findNextCurveIndex(double[] positions,
                                           double pos)

getBoundaryPortion

public static final Polyline2D getBoundaryPortion(Box2D box,
                                                  Point2D p0,
                                                  Point2D p1)

Extracts a portion of the boundary of a bounded box.

Parameters:

box - the box from which one extract a portion of boundary

p0 - the first point of the portion

p1 - the last point of the portion

Returns:

the portion of the bounding box boundary as a Polyline2D