ip.transforms
Class GeometryUtils

java.lang.Object
  ip.transforms.GeometryUtils

public class GeometryUtils
extends java.lang.Object

Constructor Summary

GeometryUtils()

Method Summary

static int	getNextDirection(java.awt.Point startPoint, java.awt.Point endPoint) getNextDirection returns an integer ranging from -1 to 8.
static void	getNextDirectionTest()
static java.awt.Point	getNextPointOnLine(java.awt.Point p1, java.awt.Point p2) Use Bresenham's algorithm to get the next point on a line.
static Points	getNextPoints(java.awt.Point p1, java.awt.Point p2) grabs a few points in the general direction

Methods inherited from class java.lang.Object

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

Constructor Detail

GeometryUtils

public GeometryUtils()

Method Detail

getNextDirectionTest

public static void getNextDirectionTest()

getNextDirection

public static int getNextDirection(java.awt.Point startPoint,
                                   java.awt.Point endPoint)

getNextDirection returns an integer ranging from -1 to 8. -1 means it does not know the direction Here are the 8 directions 6 7 8 5 1 4 3 2

getNextPoints

public static Points getNextPoints(java.awt.Point p1,
                                   java.awt.Point p2)

grabs a few points in the general direction

getNextPointOnLine

public static java.awt.Point getNextPointOnLine(java.awt.Point p1,
                                                java.awt.Point p2)

Use Bresenham's algorithm to get the next point on a line.