de.grogra.lignum.jadt

Class Ellipse

java.lang.Object

de.grogra.lignum.jadt.Ellipse

All Implemented Interfaces:

Mathsym, Shape

public class Ellipse
extends java.lang.Object
implements Shape, Mathsym

Translated from orignal C++ Lignum code.

Author:

Alexander Brinkmann

Field Summary

Fields inherited from interface de.grogra.lignum.jadt.Mathsym

HIT_THE_FOLIAGE, HIT_THE_WOOD, NO_HIT, PI_DIV_2, R_EPSILON, R_HUGE

Constructor Summary

Constructors

Constructor and Description
Ellipse(Ellipse e)
Ellipse(Point3d center0, PositionVector normal0, double semimajoraxis0, double semiminoraxis0)
Ellipse(Point3d petiole_end, PositionVector petiole_dir, PositionVector normal0, double semimajoraxis0, double semiminoraxis0)
Ellipse(Point3d petiole_end, PositionVector normal0, PositionVector xdir0, PositionVector ydir0, double semimajoraxis0, double semiminoraxis0)
Ellipse(PositionVector p, PositionVector n, PositionVector x1, double semimajoraxis0, double semiminoraxis0)

Method Summary

Methods

Modifier and Type	Method and Description
double	getArea()
Point3d	getCenterPoint()
PositionVector	getNormal()
double	getSemimajorAxis()
Point3d	getSemimajorAxisPoint()
double	getSemiminorAxis()
Point3d	getSemiminorAxisPoint()
java.util.Vector<Point3d>	getVertexVector(java.util.Vector<Point3d> points)
java.util.Vector<Point3d>	getVertexVector(java.util.Vector<Point3d> points, int npoints)
boolean	intersectShape(Point3d O, PositionVector B0)
void	pitch(double angle)
void	roll(double angle)
void	set(Ellipse e)
double	setArea(double area)
double	setArea(double area, Point3d base)
void	setCenterPoint(Point3d center0)
void	setSemimajorAxis(double semimajoraxis0)
void	setSemiminorAxis(double semiminoraxis0)
void	turn(double angle)
PositionVector	x1u()
PositionVector	y1u()

Methods inherited from class java.lang.Object

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

Constructor Detail

Ellipse

public Ellipse(Ellipse e)

Ellipse

public Ellipse(Point3d center0,
       PositionVector normal0,
       double semimajoraxis0,
       double semiminoraxis0)

Ellipse

public Ellipse(Point3d petiole_end,
       PositionVector petiole_dir,
       PositionVector normal0,
       double semimajoraxis0,
       double semiminoraxis0)

Ellipse

public Ellipse(Point3d petiole_end,
       PositionVector normal0,
       PositionVector xdir0,
       PositionVector ydir0,
       double semimajoraxis0,
       double semiminoraxis0)

Ellipse

public Ellipse(PositionVector p,
       PositionVector n,
       PositionVector x1,
       double semimajoraxis0,
       double semiminoraxis0)

Method Detail

getArea

public double getArea()

getCenterPoint

public Point3d getCenterPoint()

getNormal

public PositionVector getNormal()

getSemimajorAxis

public double getSemimajorAxis()

getSemimajorAxisPoint

public Point3d getSemimajorAxisPoint()

getSemiminorAxis

public double getSemiminorAxis()

getSemiminorAxisPoint

public Point3d getSemiminorAxisPoint()

getVertexVector

public java.util.Vector<Point3d> getVertexVector(java.util.Vector<Point3d> points)

getVertexVector

public java.util.Vector<Point3d> getVertexVector(java.util.Vector<Point3d> points,
                                        int npoints)

intersectShape

public boolean intersectShape(Point3d O,
                     PositionVector B0)

pitch

public void pitch(double angle)

roll

public void roll(double angle)

set

public void set(Ellipse e)

setArea

public double setArea(double area)

setArea

public double setArea(double area,
             Point3d base)

setCenterPoint

public void setCenterPoint(Point3d center0)

setSemimajorAxis

public void setSemimajorAxis(double semimajoraxis0)

setSemiminorAxis

public void setSemiminorAxis(double semiminoraxis0)

turn

public void turn(double angle)

x1u

public PositionVector x1u()

y1u

public PositionVector y1u()