Document
Class Region

java.lang.Object
  Document.Region

Direct Known Subclasses:

WindsurfRegion

public abstract class Region
extends java.lang.Object

Abstract class representing a single region

Field Summary

protected ImageID	id The ID of this region
protected int	size The number of pixels in this region

Constructor Summary

Region(ImageID id)
Creates a region with a particular ID.

Method Summary

abstract double	distance(Region r) Abstract method for computing the distance to another region.
ImageID	getID() Returns the region ID.
int	getSize() Returns the size of the region (i.e., the number of its pixels).
void	setID(ImageID id) Modifies the region ID.
protected void	setSize(int s) Modifies the size of the region (i.e., the number of its pixels).

Methods inherited from class java.lang.Object

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

Field Detail

size

protected int size

The number of pixels in this region

id

protected ImageID id

The ID of this region

Constructor Detail

Region

public Region(ImageID id)

Creates a region with a particular ID.

Parameters:

id - ID of the region.

Method Detail

getID

public ImageID getID()

Returns the region ID.

Returns:

ID of the region.

getSize

public int getSize()

Returns the size of the region (i.e., the number of its pixels).

Returns:

the size of the region.

setID

public void setID(ImageID id)

Modifies the region ID.

Parameters:

id - new ID for the region.

setSize

protected void setSize(int s)

Modifies the size of the region (i.e., the number of its pixels).

Parameters:

s - the size of the region.

distance

public abstract double distance(Region r)

Abstract method for computing the distance to another region.

Parameters:

r - Region to be compared.

Returns:

The distance between the two regions.