math.geom2d.circulinear

Class CirculinearCurveArray2D<T extends CirculinearCurve2D>

java.lang.Object

math.geom2d.curve.CurveArray2D<T>

math.geom2d.circulinear.CirculinearCurveArray2D<T>

All Implemented Interfaces:

java.lang.Cloneable, java.lang.Iterable<T>, CirculinearCurve2D, CirculinearCurveSet2D<T>, CirculinearShape2D, Curve2D, CurveSet2D<T>, GeometricObject2D, Shape2D, ShapeSet2D<T>

public class CirculinearCurveArray2D<T extends CirculinearCurve2D>
extends CurveArray2D<T>
implements CirculinearCurveSet2D<T>

A specialization of CurveArray2D that accepts only instances of CirculinearCurve2D.

  
 // create two orthogonal lines
 StraightLine2D line1 = new StraightLine2D(origin, v1);
 StraightLine2D line2 = new StraightLine2D(origin, v2);
	
 // put lines in a set
 CirculinearCurveSet2D<StraightLine2D> set = 
     CirculinearCurveArray2D.create(line1, line2);
 
 

Field Summary

Fields inherited from interface math.geom2d.Shape2D

ACCURACY

Constructor Summary

Constructors

Constructor and Description
CirculinearCurveArray2D() Empty constructor.
CirculinearCurveArray2D(java.util.Collection<? extends T> curves) Constructor from a collection of curves.
CirculinearCurveArray2D(int n) Empty constructor.
CirculinearCurveArray2D(T... curves) Constructor from an array of curves.

Method Summary

Modifier and Type	Method and Description
CirculinearDomain2D	buffer(double dist) Computes the buffer of the shape, formed by the set of points located at a distance from the shape that is lower or equal to d.
CirculinearCurveArray2D<? extends CirculinearCurve2D>	clip(Box2D box) Clips a curve, and return a CurveArray2D.
java.util.Collection<? extends CirculinearContinuousCurve2D>	continuousCurves() Returns the collection of continuous curves which constitute this curve.
static <T extends CirculinearCurve2D> CirculinearCurveArray2D<T>	create(T... curves) Static factory for creating a new CirculinearCurveArray2D from an array of curves.
double	length()
double	length(double pos)
CirculinearCurve2D	parallel(double d) Creates a new curve, formed by the points with parameterization: p(t) = c(t) + d*n(t)/|n(t)|, with p(t) being a point of the original curve, n(t) the normal of the curve, and |n| being the norm of n. In the case of a continuous curve formed by several smooth circulinear elements, the parallels of contiguous elements are joined by a circle arc.
double	position(double length)
CirculinearCurveArray2D<? extends CirculinearCurve2D>	reverse() Returns the curve with same trace on the plane with parameterization in reverse order.
CirculinearCurveArray2D<? extends CirculinearCurve2D>	subCurve(double t0, double t1) Return an instance of CurveArray2D.
CirculinearCurveArray2D<CirculinearCurve2D>	transform(CircleInversion2D inv) Transforms the shape by a circle inversion.

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, equals, 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, transform, vertices

Methods inherited from class java.lang.Object

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

Methods inherited from interface math.geom2d.curve.CurveSet2D

childCurve, contains, curveIndex, curves, firstCurve, get, globalPosition, lastCurve, localPosition, transform

Methods inherited from interface math.geom2d.ShapeSet2D

add, add, clear, indexOf, remove, remove, size

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

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

Constructor Detail

CirculinearCurveArray2D

public CirculinearCurveArray2D()

Empty constructor. Initializes an empty array of curves.

CirculinearCurveArray2D

public CirculinearCurveArray2D(int n)

Empty constructor. Initializes an empty array of curves, with a given size for allocating memory.

CirculinearCurveArray2D

public CirculinearCurveArray2D(T... curves)

Constructor from an array of curves.

Parameters:

curves - the array of curves in the set

CirculinearCurveArray2D

public CirculinearCurveArray2D(java.util.Collection<? extends T> curves)

Constructor from a collection of curves. The curves are added to the inner collection of curves.

Parameters:

curves - the collection of curves to add to the set

Method Detail

create

public static <T extends CirculinearCurve2D> CirculinearCurveArray2D<T> create(T... curves)

Static factory for creating a new CirculinearCurveArray2D from an array of curves.

Since:

0.8.1

length

public double length()

Specified by:

length in interface CirculinearCurve2D

Returns:

the length of the curve

length

public double length(double pos)

Specified by:

length in interface CirculinearCurve2D

Returns:

the length from the beginning to the position given by pos

position

public double position(double length)

Specified by:

position in interface CirculinearCurve2D

Returns:

the position located at a given geodesic distance from the origin

buffer

public CirculinearDomain2D buffer(double dist)

Description copied from interface: CirculinearShape2D

Computes the buffer of the shape, formed by the set of points located at a distance from the shape that is lower or equal to d.

Specified by:

buffer in interface CirculinearShape2D

Parameters:

dist - the maximal distance between a point of the buffer and the shape

Returns:

the buffer of the shape

parallel

public CirculinearCurve2D parallel(double d)

Description copied from interface: CirculinearCurve2D

Creates a new curve, formed by the points with parameterization: p(t) = c(t) + d*n(t)/|n(t)|, with p(t) being a point of the original curve, n(t) the normal of the curve, and |n| being the norm of n.
In the case of a continuous curve formed by several smooth circulinear elements, the parallels of contiguous elements are joined by a circle arc.

Specified by:

parallel in interface CirculinearCurve2D

Parameters:

d - the distance between the original curve and he parallel curve.

Returns:

the parallel curve

transform

public CirculinearCurveArray2D<CirculinearCurve2D> transform(CircleInversion2D inv)

Description copied from interface: CirculinearShape2D

Transforms the shape by a circle inversion. The result is still an instance a CirculinearShape2D.

Specified by:

transform in interface CirculinearCurve2D

Specified by:

transform in interface CirculinearShape2D

Parameters:

inv - the circle inversion

Returns:

the transformed shape

continuousCurves

public java.util.Collection<? extends CirculinearContinuousCurve2D> continuousCurves()

Description copied from interface: Curve2D

Returns the collection of continuous curves which constitute this curve.

Specified by:

continuousCurves in interface CirculinearCurve2D

Specified by:

continuousCurves in interface Curve2D

Overrides:

continuousCurves in class CurveArray2D<T extends CirculinearCurve2D>

Returns:

a collection of continuous curves.

clip

public CirculinearCurveArray2D<? extends CirculinearCurve2D> clip(Box2D box)

Description copied from class: CurveArray2D

Clips a curve, and return a CurveArray2D. If the curve is totally outside the box, return a CurveArray2D with 0 curves inside. If the curve is totally inside the box, return a CurveArray2D with only one curve, which is the original curve.

Specified by:

clip in interface CirculinearCurve2D

Specified by:

clip in interface CirculinearCurveSet2D<T extends CirculinearCurve2D>

Specified by:

clip in interface Curve2D

Specified by:

clip in interface Shape2D

Overrides:

clip in class CurveArray2D<T extends CirculinearCurve2D>

Parameters:

box - the clipping box

Returns:

the clipped shape

subCurve

public CirculinearCurveArray2D<? extends CirculinearCurve2D> subCurve(double t0,
                                                                      double t1)

Description copied from class: CurveArray2D

Return an instance of CurveArray2D.

Specified by:

subCurve in interface CirculinearCurve2D

Specified by:

subCurve in interface CirculinearCurveSet2D<T extends CirculinearCurve2D>

Specified by:

subCurve in interface Curve2D

Overrides:

subCurve in class CurveArray2D<T extends CirculinearCurve2D>

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.

reverse

public CirculinearCurveArray2D<? extends CirculinearCurve2D> 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 CirculinearCurve2D

Specified by:

reverse in interface CirculinearCurveSet2D<T extends CirculinearCurve2D>

Specified by:

reverse in interface Curve2D

Overrides:

reverse in class CurveArray2D<T extends CirculinearCurve2D>