rescuecore2.misc.geometry.spatialindex

Class NullRegion

java.lang.Object

rescuecore2.misc.geometry.spatialindex.NullRegion

All Implemented Interfaces:

Region

public class NullRegion
extends java.lang.Object
implements Region

An empty region.

Constructor Summary

Constructors

Constructor and Description
NullRegion() Construct an empty region.

Method Summary

Modifier and Type	Method and Description
boolean	contains(Region r) Find out if this region fully contains another region.
double	getXMax() Get the upper X coordinate.
double	getXMin() Get the lower X coordinate.
double	getYMax() Get the upper Y coordinate.
double	getYMin() Get the lower Y coordinate.
boolean	intersects(Region r) Find out if this region intersects another region.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

NullRegion

public NullRegion()

Construct an empty region.

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

intersects

public boolean intersects(Region r)

Description copied from interface: Region

Find out if this region intersects another region.

Specified by:

intersects in interface Region

Parameters:

r - The other region.

Returns:

True if this region intersects the other.

contains

public boolean contains(Region r)

Description copied from interface: Region

Find out if this region fully contains another region.

Specified by:

contains in interface Region

Parameters:

r - The other region.

Returns:

True if this region contains the other.

getXMin

public double getXMin()

Description copied from interface: Region

Get the lower X coordinate.

Specified by:

getXMin in interface Region

Returns:

The lower X coordinate.

getYMin

public double getYMin()

Description copied from interface: Region

Get the lower Y coordinate.

Specified by:

getYMin in interface Region

Returns:

The lower Y coordinate.

getXMax

public double getXMax()

Description copied from interface: Region

Get the upper X coordinate.

Specified by:

getXMax in interface Region

Returns:

The upper X coordinate.

getYMax

public double getYMax()

Description copied from interface: Region

Get the upper Y coordinate.

Specified by:

getYMax in interface Region

Returns:

The upper Y coordinate.