Package org.opensourcephysics.cabrillo.tracker

Class TRegion

java.lang.Object

java.awt.Polygon

org.opensourcephysics.cabrillo.tracker.TRegion

All Implemented Interfaces:

Shape, Serializable

public class TRegion
extends Polygon

This is a region determined by inside and outside pixel values.

Author:

Douglas Brown

See Also:

• Serialized Form

Field Summary

Fields inherited from class java.awt.Polygon

bounds, npoints, xpoints, ypoints

Constructor Summary

Constructors

Constructor	Description
TRegion(BufferedImage image, int x0, int y0)	Constructs a region starting from a specified image pixel position.

Method Summary

Modifier and Type	Method	Description
void	findEdge()	Finds and traces the edge that defines the inside/outside of the region.
TPoint	getCenter()	Gets the center point of the region.

Methods inherited from class java.awt.Polygon

addPoint, contains, contains, contains, contains, contains, contains, getBoundingBox, getBounds, getBounds2D, getPathIterator, getPathIterator, inside, intersects, intersects, invalidate, reset, translate

Methods inherited from class java.lang.Object

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

Constructor Details

TRegion

public TRegion(BufferedImage image,
 int x0,
 int y0)

Constructs a region starting from a specified image pixel position.

Parameters:

image - the image

x0 - the starting x position

y0 - the starting y position

Method Details

getCenter

public TPoint getCenter()

Gets the center point of the region.

Returns:

the center

findEdge

public void findEdge()

Finds and traces the edge that defines the inside/outside of the region.