Circle (Treeviz 1.1.1 2013-03-10)

java.lang.Object
- ch.randelshofer.tree.circlemap.Circle

All Implemented Interfaces:

java.lang.Cloneable

Direct Known Subclasses:

CirclemapNode
```
public class Circle
extends java.lang.Object
implements java.lang.Cloneable
```
Describes a Circle by its radius and the location of its center.

Version:

1.0 Jan 17, 2008 Created.

Author:

Werner Randelshofer

Field Summary

Fields
Modifier and Type Field and Description

double cx

double cy

double radius

Fields
Modifier and Type	Field and Description
`double`	`cx`
`double`	`cy`
`double`	`radius`

Constructor Summary

Constructors
Constructor and Description
`Circle()` Creates a new circle at location 0,0 and a radius of 0.
`Circle(double cx, double cy, double r)` Creates a new circle with the specified coordinates and radius.

Method Summary

Methods
Modifier and Type	Method and Description
`Circle`	`clone()`
`boolean`	`contains(Circle that)` Returns true, if this circle contains that circle.
`boolean`	`contains(Circle that, double error)`
`boolean`	`contains(double px, double py)` Returns true, if this circle contains the specified point.
`double`	`getCX()` Returns the x-coordinate of the center of the circle.
`double`	`getCY()` Returns the y-coordinate of the center of the circle.
`double`	`getIntersectionRadius(Circle that)` Returns true, if this circle intersects that circle.
`double`	`getRadius()` Returns the radius of the circle.
`boolean`	`intersects(Circle that)` Returns true, if this circle intersects that circle.
`boolean`	`intersects(Circle that, double error)`
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - cx
```
public double cx
```
  - cy
```
public double cy
```
  - radius
```
public double radius
```
- Constructor Detail
  - Circle
```
public Circle()
```
    Creates a new circle at location 0,0 and a radius of 0.
  - Circle
```
public Circle(double cx,
      double cy,
      double r)
```
    Creates a new circle with the specified coordinates and radius.
- Method Detail
  - getRadius
```
public double getRadius()
```
    Returns the radius of the circle.
  - getCX
```
public double getCX()
```
    Returns the x-coordinate of the center of the circle.
    
    Returns:
    the x-coordinate of the center.
  - getCY
```
public double getCY()
```
    Returns the y-coordinate of the center of the circle.
    
    Returns:
    the y-coordinate of the center.
  - intersects
```
public boolean intersects(Circle that)
```
    Returns true, if this circle intersects that circle.
  - intersects
```
public boolean intersects(Circle that,
                 double error)
```
  - getIntersectionRadius
```
public double getIntersectionRadius(Circle that)
```
    Returns true, if this circle intersects that circle.
  - contains
```
public boolean contains(Circle that)
```
    Returns true, if this circle contains that circle.
  - contains
```
public boolean contains(Circle that,
               double error)
```
  - contains
```
public boolean contains(double px,
               double py)
```
    Returns true, if this circle contains the specified point.
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - clone
```
public Circle clone()
```
    Overrides:
    
    clone in class java.lang.Object

Class Circle

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

cx

cy

radius

Constructor Detail

Circle

Circle

Method Detail

getRadius

getCX

getCY

intersects

intersects

getIntersectionRadius

contains

contains

contains

toString

clone