math.geom2d.curve
Interface SmoothCurve2D

All Superinterfaces:

ContinuousCurve2D, Curve2D, java.awt.Shape, Shape2D

All Known Subinterfaces:

SmoothOrientedCurve2D

All Known Implementing Classes:

BezierCurve2D, Circle2D, CircleArc2D, Ellipse2D, EllipseArc2D, HyperbolaBranch2D, HyperbolaBranchArc2D, LineArc2D, LineObject2D, LineSegment2D, Parabola2D, ParabolaArc2D, Ray2D, StraightLine2D, StraightObject2D

public interface SmoothCurve2D
extends ContinuousCurve2D

Interface for smooth and continuous curves. They accept first and second derivative at every point, and can be drawn with a parametric representation for every values of t comprised between T0 and T1. Every Curve2D is a compound of several SmoothCurve2D.

Field Summary

Fields inherited from interface math.geom2d.curve.ContinuousCurve2D

CIRCLE, CLOSED_EDGE, LOOP, OPEN_EDGE

Fields inherited from interface math.geom2d.Shape2D

ACCURACY, defaultClipWindow, EMPTY_SET

Method Summary

CurveSet2D<? extends SmoothCurve2D>	clip(Box2D box) When a curve is clipped, the result is a set of curves.
double	getCurvature(double t)
SmoothCurve2D	getReverseCurve() Returns the curve with same trace on the plane with parametrization in reverse order.
SmoothCurve2D	getSubCurve(double t0, double t1) Returns a portion of the original curve, delimited by two positions on the curve.
Vector2D	getTangent(double t)
SmoothCurve2D	transform(AffineTransform2D trans) Transforms the curve by an affine transform.

Methods inherited from interface math.geom2d.curve.ContinuousCurve2D

appendPath, getAsPolyline, getSmoothPieces, isClosed

Methods inherited from interface math.geom2d.curve.Curve2D

getContinuousCurves, getFirstPoint, getIntersections, getLastPoint, getPoint, getPoint, getPosition, getT0, getT1, project

Methods inherited from interface math.geom2d.Shape2D

getBoundingBox, getDistance, getDistance, isBounded

Methods inherited from interface java.awt.Shape

contains, contains, contains, contains, getBounds, getBounds2D, getPathIterator, getPathIterator, intersects, intersects

Method Detail

getTangent

Vector2D getTangent(double t)

getCurvature

double getCurvature(double t)

getReverseCurve

SmoothCurve2D getReverseCurve()

Description copied from interface: Curve2D

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

Specified by:

getReverseCurve in interface ContinuousCurve2D

Specified by:

getReverseCurve in interface Curve2D

getSubCurve

SmoothCurve2D getSubCurve(double t0,
                          double t1)

Description copied from interface: Curve2D

Returns a portion of the original curve, delimited by two positions on the curve.

Specified by:

getSubCurve in interface ContinuousCurve2D

Specified by:

getSubCurve in interface Curve2D

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

CurveSet2D<? extends SmoothCurve2D> clip(Box2D box)

Description copied from interface: Curve2D

When a curve is clipped, the result is a set of curves.

Specified by:

clip in interface ContinuousCurve2D

Specified by:

clip in interface Curve2D

Specified by:

clip in interface Shape2D

Parameters:

box - the clipping box

Returns:

the clipped shape

transform

SmoothCurve2D transform(AffineTransform2D trans)

Description copied from interface: Curve2D

Transforms the curve by an affine transform. The result is an instance of Curve2D.

Specified by:

transform in interface ContinuousCurve2D

Specified by:

transform in interface Curve2D

Specified by:

transform in interface Shape2D

Parameters:

trans - an affine transform

Returns:

the transformed shape