org.geolatte.geom

Class Circle.Arc

java.lang.Object

org.geolatte.geom.Circle.Arc

Enclosing class:

Circle

public class Circle.Arc
extends java.lang.Object

An arc, or circle segment

Field Summary

Fields

Modifier and Type	Field and Description
private double	arcAngle
private boolean	clockwise
private org.locationtech.jts.geom.Coordinate	p1
private double	p1Angle
private org.locationtech.jts.geom.Coordinate	p2
private double	p2Angle

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Arc(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2, boolean isClockwise)
private	Arc(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate midPt, org.locationtech.jts.geom.Coordinate p2)

Method Summary

Modifier and Type	Method and Description
private void	determineArcAngle()
double	getArcAngle()
double	getArcAngleDegrees()
double	getArcHeight() given a an arc defined from p1 to p2 existing on this circle, returns the height of the arc.
org.locationtech.jts.geom.Coordinate	getChordCenterPoint() Returns the center of this Arc
org.locationtech.jts.geom.Coordinate	getP1()
double	getP1Angle()
org.locationtech.jts.geom.Coordinate	getP2()
double	getP2Angle()
boolean	isClockwise()
Circle.Arc[]	split() Splits this Arc at the mid point
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

p1

private org.locationtech.jts.geom.Coordinate p1

p2

private org.locationtech.jts.geom.Coordinate p2

arcAngle

private double arcAngle

p1Angle

private double p1Angle

p2Angle

private double p2Angle

clockwise

private boolean clockwise

Constructor Detail

Arc

private Arc(org.locationtech.jts.geom.Coordinate p1,
            org.locationtech.jts.geom.Coordinate midPt,
            org.locationtech.jts.geom.Coordinate p2)

Arc

private Arc(org.locationtech.jts.geom.Coordinate p1,
            org.locationtech.jts.geom.Coordinate p2,
            boolean isClockwise)

Method Detail

determineArcAngle

private void determineArcAngle()

getArcHeight

public double getArcHeight()

given a an arc defined from p1 to p2 existing on this circle, returns the height of the arc. This height is defined as the distance from the center of a chord defined by (p1, p2) and the outer edge of the circle.

Returns:

the arc height

getChordCenterPoint

public org.locationtech.jts.geom.Coordinate getChordCenterPoint()

Returns the center of this Arc

Returns:

the center of this Arc

split

public Circle.Arc[] split()

Splits this Arc at the mid point

Returns:

an array of two Arcs

getP1

public org.locationtech.jts.geom.Coordinate getP1()

getP2

public org.locationtech.jts.geom.Coordinate getP2()

getArcAngle

public double getArcAngle()

getArcAngleDegrees

public double getArcAngleDegrees()

getP1Angle

public double getP1Angle()

getP2Angle

public double getP2Angle()

isClockwise

public boolean isClockwise()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object