math.geom2d.conic
Class Hyperbola2D

java.lang.Object
  math.geom2d.curve.CurveSet2D<T>
      math.geom2d.curve.BoundarySet2D<HyperbolaBranch2D>
          math.geom2d.conic.Hyperbola2D

All Implemented Interfaces:

java.awt.Shape, java.lang.Iterable<HyperbolaBranch2D>, Conic2D, Boundary2D, Curve2D, OrientedCurve2D, Shape2D

public class Hyperbola2D
extends BoundarySet2D<HyperbolaBranch2D>
implements Conic2D

Superclass for all linear and pieces smooth curves : polylines, conics, lines ...

Field Summary

Fields inherited from class math.geom2d.curve.CurveSet2D

curves

Fields inherited from interface math.geom2d.conic.Conic2D

CIRCLE, ELLIPSE, HYPERBOLA, NOT_A_CONIC, PARABOLA, POINT, STRAIGHT_LINE, TWO_LINES

Fields inherited from interface math.geom2d.Shape2D

ACCURACY, defaultClipWindow, EMPTY_SET

Constructor Summary

Hyperbola2D()
Assume centered hyperbola, with a = b = 1 (orthogonal hyperbola), theta=0 (hyperbola is oriented East-West), and direct orientation.

Hyperbola2D(double xc, double yc, double a, double b, double theta, boolean d)
Main constructor

Hyperbola2D(Point2D center, double a, double b, double theta, boolean d)

Method Summary

boolean	contains(double x, double y) return true if one of the curves contains the point
boolean	contains(java.awt.geom.Point2D point) return true if one of the curves contains the point
boolean	equals(java.lang.Object obj) Tests whether this hyperbola equals another object.
double	getAngle()
double[]	getCartesianEquation() Return the coefficient of the cartesian representation of the conic.
Point2D	getCenter()
int	getConicType()
double	getEccentricity() Return eccentricity of the conic.
Point2D	getFocus1()
Point2D	getFocus2()
java.util.Collection<Point2D>	getIntersections(StraightObject2D line) Returns the intersection points of the curve with the specified line.
double	getLength1() Return 0
double	getLength2() Return 0
Hyperbola2D	getReverseCurve() Returns the curve with same trace on the plane with parametrization in reverse order.
Vector2D	getVector1()
Vector2D	getVector2()
boolean	isDirect()
Point2D	toGlobal(Point2D point) transform a point in local coordinate (ie orthogonal centered hyberbola with a=b=1) to global coordinate system.
Point2D	toLocal(Point2D point)
Hyperbola2D	transform(AffineTransform2D trans) Transform each curve, and build a new CurveSet2D with the set of transformed curves.

Methods inherited from class math.geom2d.curve.BoundarySet2D

clip, getBoundaryCurves, getSignedDistance, getSignedDistance, getSubCurve, getWindingAngle, isInside

Methods inherited from class math.geom2d.curve.CurveSet2D

addCurve, clearCurves, contains, contains, fromUnitSegment, getBoundingBox, getBounds, getBounds2D, getContinuousCurves, getCurveNumber, getCurves, getDistance, getDistance, getFirstCurve, getFirstPoint, getGeneralPath, getLastCurve, getLastPoint, getPathIterator, getPathIterator, getPoint, getPoint, getPosition, getT0, getT1, intersects, intersects, isBounded, isEmpty, iterator, project, removeCurve, toUnitSegment

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface math.geom2d.conic.Conic2D

clip

Methods inherited from interface math.geom2d.curve.OrientedCurve2D

getSignedDistance, getSignedDistance, getWindingAngle, isInside

Methods inherited from interface math.geom2d.curve.Curve2D

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

Methods inherited from interface math.geom2d.Shape2D

getBoundingBox, getDistance, getDistance, isBounded

Methods inherited from interface java.awt.Shape

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

Constructor Detail

Hyperbola2D

public Hyperbola2D()

Assume centered hyperbola, with a = b = 1 (orthogonal hyperbola), theta=0 (hyperbola is oriented East-West), and direct orientation.

Hyperbola2D

public Hyperbola2D(Point2D center,
                   double a,
                   double b,
                   double theta,
                   boolean d)

Hyperbola2D

public Hyperbola2D(double xc,
                   double yc,
                   double a,
                   double b,
                   double theta,
                   boolean d)

Main constructor

Method Detail

toGlobal

public Point2D toGlobal(Point2D point)

transform a point in local coordinate (ie orthogonal centered hyberbola with a=b=1) to global coordinate system.

toLocal

public Point2D toLocal(Point2D point)

getAngle

public double getAngle()

getCartesianEquation

public double[] getCartesianEquation()

Description copied from interface: Conic2D

Return the coefficient of the cartesian representation of the conic. Cartesian equation has the form :

a*x^2 + b*x*y + c*y^2 + d*x + e*y + f

The length of the array is then of size 6.

Specified by:

getCartesianEquation in interface Conic2D

getCenter

public Point2D getCenter()

getConicType

public int getConicType()

Specified by:

getConicType in interface Conic2D

getEccentricity

public double getEccentricity()

Description copied from interface: Conic2D

Return eccentricity of the conic.

Specified by:

getEccentricity in interface Conic2D

getFocus1

public Point2D getFocus1()

getFocus2

public Point2D getFocus2()

getLength1

public double getLength1()

Return 0

getLength2

public double getLength2()

Return 0

getVector1

public Vector2D getVector1()

getVector2

public Vector2D getVector2()

isDirect

public boolean isDirect()

contains

public boolean contains(java.awt.geom.Point2D point)

Description copied from class: CurveSet2D

return true if one of the curves contains the point

Specified by:

contains in interface java.awt.Shape

Overrides:

contains in class CurveSet2D<HyperbolaBranch2D>

contains

public boolean contains(double x,
                        double y)

Description copied from class: CurveSet2D

return true if one of the curves contains the point

Specified by:

contains in interface java.awt.Shape

Overrides:

contains in class CurveSet2D<HyperbolaBranch2D>

getReverseCurve

public Hyperbola2D 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 Conic2D

Specified by:

getReverseCurve in interface Boundary2D

Specified by:

getReverseCurve in interface Curve2D

Specified by:

getReverseCurve in interface OrientedCurve2D

Overrides:

getReverseCurve in class BoundarySet2D<HyperbolaBranch2D>

getIntersections

public java.util.Collection<Point2D> getIntersections(StraightObject2D line)

Description copied from interface: Curve2D

Returns the intersection points of the curve with the specified line. The length of the result array is the number of intersection points.

Specified by:

getIntersections in interface Curve2D

Overrides:

getIntersections in class CurveSet2D<HyperbolaBranch2D>

transform

public Hyperbola2D transform(AffineTransform2D trans)

Description copied from class: CurveSet2D

Transform each curve, and build a new CurveSet2D with the set of transformed curves.

Specified by:

transform in interface Conic2D

Specified by:

transform in interface Boundary2D

Specified by:

transform in interface Curve2D

Specified by:

transform in interface OrientedCurve2D

Specified by:

transform in interface Shape2D

Overrides:

transform in class BoundarySet2D<HyperbolaBranch2D>

Parameters:

trans - an affine transform

Returns:

the transformed shape

equals

public boolean equals(java.lang.Object obj)

Tests whether this hyperbola equals another object.

Overrides:

equals in class CurveSet2D<HyperbolaBranch2D>