math.geom2d.domain

Class PolyOrientedCurve2D<T extends ContinuousOrientedCurve2D>

java.lang.Object

math.geom2d.curve.CurveArray2D<T>

math.geom2d.curve.PolyCurve2D<T>

math.geom2d.domain.PolyOrientedCurve2D<T>

All Implemented Interfaces:

java.lang.Cloneable, java.lang.Iterable<T>, ContinuousCurve2D, Curve2D, CurveSet2D<T>, ContinuousOrientedCurve2D, OrientedCurve2D, GeometricObject2D, Shape2D, ShapeSet2D<T>

Direct Known Subclasses:

BoundaryPolyCurve2D, PolyCirculinearCurve2D

public class PolyOrientedCurve2D<T extends ContinuousOrientedCurve2D>
extends PolyCurve2D<T>
implements ContinuousOrientedCurve2D

A PolyOrientedCurve2D is a set of piecewise smooth curve arcs, such that the end of a curve is the beginning of the next curve, and such that they do not intersect nor self-intersect.

Field Summary

Fields inherited from interface math.geom2d.Shape2D

ACCURACY

Constructor Summary

Constructors

Constructor and Description
PolyOrientedCurve2D()
PolyOrientedCurve2D(java.util.Collection<? extends T> curves)
PolyOrientedCurve2D(java.util.Collection<? extends T> curves, boolean closed)
PolyOrientedCurve2D(int size)
PolyOrientedCurve2D(T... curves)
PolyOrientedCurve2D(T[] curves, boolean closed)

Method Summary

Modifier and Type	Method and Description
CurveSet2D<? extends ContinuousOrientedCurve2D>	clip(Box2D box) Clips the PolyCurve2D by a box.
static <T extends ContinuousOrientedCurve2D> PolyOrientedCurve2D<T>	create(T... curves) Static factory for creating a new PolyOrientedCurve2D from an array of curves.
static <T extends ContinuousOrientedCurve2D> PolyOrientedCurve2D<T>	create(T[] curves, boolean closed) Static factory for creating a new PolyOrientedCurve2D from an array of curves and a flag indicating if the curve is closed or not.
static <T extends ContinuousOrientedCurve2D> PolyOrientedCurve2D<T>	createClosed(T... curves) Static factory for creating a new PolyOrientedCurve2D from an array of curves.
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.
boolean	isInside(Point2D point) Determines if the given point lies within the domain bounded by this curve.
PolyOrientedCurve2D<? extends ContinuousOrientedCurve2D>	reverse() Returns the reverse curve of this PolyCurve2D.
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.
PolyOrientedCurve2D<? extends ContinuousOrientedCurve2D>	subCurve(double t0, double t1) Returns a portion of this curve as an instance of PolyOrientedCurve2D.
PolyOrientedCurve2D<?>	transform(AffineTransform2D trans) Transforms each smooth piece in this PolyCurve2D and returns a new instance of PolyCurve2D.
double	windingAngle(Point2D point) Return the angle portion that the curve turn around the given point.

Methods inherited from class math.geom2d.curve.PolyCurve2D

appendPath, asPolyline, continuousCurves, create, curvature, draw, getGeneralPath, isClosed, leftTangent, rightTangent, setClosed, smoothPieces

Methods inherited from class math.geom2d.curve.CurveArray2D

add, add, almostEquals, asAwtShape, boundingBox, childCurve, clear, clone, contains, contains, contains, create, curveIndex, curves, distance, distance, firstCurve, firstPoint, get, 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.ContinuousCurve2D

appendPath, asPolyline, curvature, isClosed, leftTangent, rightTangent, smoothPieces

Methods inherited from interface math.geom2d.curve.Curve2D

asAwtShape, clone, continuousCurves, 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

PolyOrientedCurve2D

public PolyOrientedCurve2D()

PolyOrientedCurve2D

public PolyOrientedCurve2D(int size)

PolyOrientedCurve2D

public PolyOrientedCurve2D(T... curves)

PolyOrientedCurve2D

public PolyOrientedCurve2D(T[] curves,
                           boolean closed)

PolyOrientedCurve2D

public PolyOrientedCurve2D(java.util.Collection<? extends T> curves)

PolyOrientedCurve2D

public PolyOrientedCurve2D(java.util.Collection<? extends T> curves,
                           boolean closed)

Method Detail

create

public static <T extends ContinuousOrientedCurve2D> PolyOrientedCurve2D<T> create(T... curves)

Static factory for creating a new PolyOrientedCurve2D from an array of curves.

Since:

0.8.1

createClosed

public static <T extends ContinuousOrientedCurve2D> PolyOrientedCurve2D<T> createClosed(T... curves)

Static factory for creating a new PolyOrientedCurve2D from an array of curves.

Since:

0.8.1

create

public static <T extends ContinuousOrientedCurve2D> PolyOrientedCurve2D<T> create(T[] curves,
                                                                                  boolean closed)

Static factory for creating a new PolyOrientedCurve2D from an array of curves and a flag indicating if the curve is closed or not.

Since:

0.9.0

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)

Determines if the given point lies within the domain bounded by this curve.

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 PolyOrientedCurve2D<? extends ContinuousOrientedCurve2D> reverse()

Description copied from class: PolyCurve2D

Returns the reverse curve of this PolyCurve2D.

Specified by:

reverse in interface ContinuousCurve2D

Specified by:

reverse in interface Curve2D

Specified by:

reverse in interface ContinuousOrientedCurve2D

Specified by:

reverse in interface OrientedCurve2D

Overrides:

reverse in class PolyCurve2D<T extends ContinuousOrientedCurve2D>

subCurve

public PolyOrientedCurve2D<? extends ContinuousOrientedCurve2D> subCurve(double t0,
                                                                         double t1)

Returns a portion of this curve as an instance of PolyOrientedCurve2D.

Specified by:

subCurve in interface ContinuousCurve2D

Specified by:

subCurve in interface Curve2D

Specified by:

subCurve in interface ContinuousOrientedCurve2D

Overrides:

subCurve in class PolyCurve2D<T extends ContinuousOrientedCurve2D>

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)

Clips the PolyCurve2D by a box. The result is an instance of CurveSet2D, which contains only instances of ContinuousOrientedCurve2D. If the PolyCurve2D is not clipped, the result is an instance of CurveSet2D which contains 0 curves.

Specified by:

clip in interface ContinuousCurve2D

Specified by:

clip in interface Curve2D

Specified by:

clip in interface ContinuousOrientedCurve2D

Specified by:

clip in interface OrientedCurve2D

Specified by:

clip in interface Shape2D

Overrides:

clip in class PolyCurve2D<T extends ContinuousOrientedCurve2D>

Parameters:

box - the clipping box

Returns:

the clipped shape

transform

public PolyOrientedCurve2D<?> transform(AffineTransform2D trans)

Description copied from class: PolyCurve2D

Transforms each smooth piece in this PolyCurve2D and returns a new instance of PolyCurve2D.

Specified by:

transform in interface ContinuousCurve2D

Specified by:

transform in interface Curve2D

Specified by:

transform in interface CurveSet2D<T extends ContinuousOrientedCurve2D>

Specified by:

transform in interface ContinuousOrientedCurve2D

Specified by:

transform in interface OrientedCurve2D

Specified by:

transform in interface Shape2D

Overrides:

transform in class PolyCurve2D<T extends ContinuousOrientedCurve2D>

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 PolyCurve2D<T extends ContinuousOrientedCurve2D>