treebolic.core
Class Arc

java.lang.Object
  treebolic.core.Arc

public class Arc
extends java.lang.Object

Arc of radius r with center at x,y beginning 'start' and spanning 'angle' angles in radians

Author:

Bernard Bou

Field Summary

double	angle angle
private static double	E epsilon
Complex	from from-end
double	r radius
private static double	R max radius
double	start start
Complex	to to-end
double	x center x
double	y center y

Constructor Summary

Arc(Complex z1, Complex z2)
Construct segment of hyperbolic circle, which connects z1 and z2

Method Summary

private boolean

intersectOrigin() Compute if this arc meets origin

Methods inherited from class java.lang.Object

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

Field Detail

E

private static final double E

epsilon

See Also:

Constant Field Values

R

private static final double R

max radius

See Also:

Constant Field Values

x

public double x

center x

y

public double y

center y

r

public double r

radius

start

public double start

start

angle

public double angle

angle

from

public Complex from

from-end

to

public Complex to

to-end

Constructor Detail

Arc

public Arc(Complex z1,
           Complex z2)

Construct segment of hyperbolic circle, which connects z1 and z2

Parameters:

z1 - start endpoint

z2 - end enpoint

Method Detail

intersectOrigin

private boolean intersectOrigin()

Compute if this arc meets origin

Returns:

true if this arc meets origin