math.geom2d.domain

Class ContourArray2D<T extends Contour2D>

java.lang.Object

math.geom2d.curve.CurveArray2D<T>

math.geom2d.domain.ContourArray2D<T>

All Implemented Interfaces:

java.lang.Cloneable, java.lang.Iterable<T>, Curve2D, CurveSet2D<T>, Boundary2D, OrientedCurve2D, GeometricObject2D, Shape2D, ShapeSet2D<T>

Direct Known Subclasses:

CirculinearContourArray2D, Hyperbola2D

public class ContourArray2D<T extends Contour2D>
extends CurveArray2D<T>
implements Boundary2D

A ContourArray2D is a set of contours. Each contour in the set defines its own domain.

Field Summary

Fields inherited from interface math.geom2d.Shape2D

ACCURACY

Constructor Summary

Constructors

Constructor and Description
ContourArray2D()
ContourArray2D(java.util.Collection<? extends T> curves)
ContourArray2D(int size)
ContourArray2D(T... curves)
ContourArray2D(T curve)

Method Summary

Modifier and Type	Method and Description
CurveSet2D<? extends ContinuousOrientedCurve2D>	clip(Box2D box) Clip the curve by a box.
java.util.Collection<? extends T>	continuousCurves() Returns the collection of continuous curves which constitute this curve.
static <T extends Contour2D> ContourArray2D<T>	create(T... curves) Static factory for creating a new ContourArray2D from an array of contours.
Domain2D	domain() Returns the domain delimited by this boundary.
boolean	equals(java.lang.Object obj) Returns true if obj is a CurveArray2D with the same number of curves, and such that each curve belongs to both objects.
void	fill(java.awt.Graphics2D g2) Fills the interior of the boundary, using the Graphics current Paint.
boolean	isInside(Point2D point) Returns true if the point is 'inside' the domain bounded by the curve.
ContourArray2D<? extends Contour2D>	reverse() Returns the curve with same trace on the plane with parameterization in reverse order.
double	signedDistance(double x, double y) The same as distanceSigned(Point2D), but by passing 2 double as arguments.
double	signedDistance(Point2D p) Returns the signed distance of the curve to the given point.
CurveSet2D<? extends ContinuousOrientedCurve2D>	subCurve(double t0, double t1) Return an instance of CurveArray2D.
ContourArray2D<? extends Contour2D>	transform(AffineTransform2D trans) Transforms each curve, and build a new CurveArray2D with the set of transformed curves.
double	windingAngle(Point2D point) Return the angle portion that the curve turn around the given point.

Methods inherited from class math.geom2d.curve.CurveArray2D

add, add, almostEquals, asAwtShape, boundingBox, childCurve, clear, clone, contains, contains, contains, create, curveIndex, curves, distance, distance, draw, firstCurve, firstPoint, get, getGeneralPath, getT0, getT1, globalPosition, indexOf, intersections, isBounded, isEmpty, isSingular, iterator, lastCurve, lastPoint, localPosition, point, position, project, remove, remove, singularPoints, size, t0, t1, vertices

Methods inherited from class java.lang.Object

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

Methods inherited from interface math.geom2d.curve.Curve2D

asAwtShape, clone, draw, firstPoint, getT0, getT1, intersections, isSingular, lastPoint, point, position, project, singularPoints, t0, t1, vertices

Methods inherited from interface math.geom2d.Shape2D

boundingBox, contains, contains, distance, distance, isBounded, isEmpty

Methods inherited from interface math.geom2d.GeometricObject2D

almostEquals

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

ContourArray2D

public ContourArray2D()

ContourArray2D

public ContourArray2D(int size)

ContourArray2D

public ContourArray2D(T... curves)

ContourArray2D

public ContourArray2D(java.util.Collection<? extends T> curves)

ContourArray2D

public ContourArray2D(T curve)

Method Detail

create

public static <T extends Contour2D> ContourArray2D<T> create(T... curves)

Static factory for creating a new ContourArray2D from an array of contours.

Since:

0.8.1

continuousCurves

public java.util.Collection<? extends T> continuousCurves()

Description copied from interface: Curve2D

Returns the collection of continuous curves which constitute this curve.

Specified by:

continuousCurves in interface Curve2D

Specified by:

continuousCurves in interface Boundary2D

Overrides:

continuousCurves in class CurveArray2D<T extends Contour2D>

Returns:

a collection of continuous curves.

domain

public Domain2D domain()

Description copied from interface: Boundary2D

Returns the domain delimited by this boundary.

Specified by:

domain in interface Boundary2D

Returns:

the domain delimited by this boundary

fill

public void fill(java.awt.Graphics2D g2)

Description copied from interface: Boundary2D

Fills the interior of the boundary, using the Graphics current Paint.

Specified by:

fill in interface Boundary2D

Parameters:

g2 - the Graphics to fill on

windingAngle

public double windingAngle(Point2D point)

Description copied from interface: OrientedCurve2D

Return the angle portion that the curve turn around the given point. Result is a signed angle.

Specified by:

windingAngle in interface OrientedCurve2D

Parameters:

point - a point of the plane

Returns:

a signed angle

signedDistance

public double signedDistance(Point2D p)

Description copied from interface: OrientedCurve2D

Returns the signed distance of the curve to the given point. The distance is positive if the point lies outside the shape, and negative if the point lies inside the shape. In both cases, absolute value of distance is equals to the distance to the border of the shape.

Specified by:

signedDistance in interface OrientedCurve2D

Parameters:

p - a point of the plane

Returns:

the signed distance to the curve

signedDistance

public double signedDistance(double x,
                             double y)

Description copied from interface: OrientedCurve2D

The same as distanceSigned(Point2D), but by passing 2 double as arguments.

Specified by:

signedDistance in interface OrientedCurve2D

Parameters:

x - x-coord of a point

y - y-coord of a point

Returns:

the signed distance of the point (x,y) to the curve

isInside

public boolean isInside(Point2D point)

Description copied from interface: Boundary2D

Returns true if the point is 'inside' the domain bounded by the curve.

Specified by:

isInside in interface Boundary2D

Specified by:

isInside in interface OrientedCurve2D

Parameters:

point - a point in the plane

Returns:

true if the point is on the left side of the curve.

reverse

public ContourArray2D<? extends Contour2D> reverse()

Description copied from interface: Curve2D

Returns the curve with same trace on the plane with parameterization in reverse order.

Specified by:

reverse in interface Curve2D

Specified by:

reverse in interface Boundary2D

Specified by:

reverse in interface OrientedCurve2D

Overrides:

reverse in class CurveArray2D<T extends Contour2D>

subCurve

public CurveSet2D<? extends ContinuousOrientedCurve2D> subCurve(double t0,
                                                                double t1)

Description copied from class: CurveArray2D

Return an instance of CurveArray2D.

Specified by:

subCurve in interface Curve2D

Overrides:

subCurve in class CurveArray2D<T extends Contour2D>

Parameters:

t0 - position of the start of the sub-curve

t1 - position of the end of the sub-curve

Returns:

the portion of original curve comprised between t0 and t1.

clip

public CurveSet2D<? extends ContinuousOrientedCurve2D> clip(Box2D box)

Clip the curve by a box. The result is an instance of CurveSet2D, which contains only instances of ContinuousOrientedCurve2D. If the curve is not clipped, the result is an instance of CurveSet2D which contains 0 curves.

Specified by:

clip in interface Curve2D

Specified by:

clip in interface OrientedCurve2D

Specified by:

clip in interface Shape2D

Overrides:

clip in class CurveArray2D<T extends Contour2D>

Parameters:

box - the clipping box

Returns:

the clipped shape

transform

public ContourArray2D<? extends Contour2D> transform(AffineTransform2D trans)

Description copied from class: CurveArray2D

Transforms each curve, and build a new CurveArray2D with the set of transformed curves.

Specified by:

transform in interface Curve2D

Specified by:

transform in interface CurveSet2D<T extends Contour2D>

Specified by:

transform in interface Boundary2D

Specified by:

transform in interface OrientedCurve2D

Specified by:

transform in interface Shape2D

Overrides:

transform in class CurveArray2D<T extends Contour2D>

Parameters:

trans - an affine transform

Returns:

the transformed shape

equals

public boolean equals(java.lang.Object obj)

Description copied from class: CurveArray2D

Returns true if obj is a CurveArray2D with the same number of curves, and such that each curve belongs to both objects.

Overrides:

equals in class CurveArray2D<T extends Contour2D>