Package org.oscim.utils

Class Triangulator

java.lang.Object

org.oscim.utils.Triangulator

public class Triangulator
extends Object

Triangulates a polygon into triangles - duh. Doesn't handle holes in polys

Constructor Summary

Constructors

Constructor	Description
Triangulator()	Create a new triangulator

Method Summary

Modifier and Type	Method	Description
void	addPolyPoint(float x, float y)	Add a point describing the polygon to be triangulated
int	getTriangleCount()	Get a count of the number of triangles produced
float[]	getTrianglePoint(int tri, int i)	Get a point on a specified generated triangle
boolean	triangulate()	Cause the triangulator to split the polygon

Methods inherited from class java.lang.Object

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

Constructor Details

Triangulator

public Triangulator()

Create a new triangulator

Method Details

addPolyPoint

public void addPolyPoint(float x,
 float y)

Add a point describing the polygon to be triangulated

Parameters:

x - The x coordinate of the point

y - the y coordinate of the point

triangulate

public boolean triangulate()

Cause the triangulator to split the polygon

Returns:

True if we managed the task

getTriangleCount

public int getTriangleCount()

Get a count of the number of triangles produced

Returns:

The number of triangles produced

getTrianglePoint

public float[] getTrianglePoint(int tri,
 int i)

Get a point on a specified generated triangle

Parameters:

tri - The index of the triangle to interegate

i - The index of the point within the triangle to retrieve (0 - 2)

Returns:

The x,y coordinate pair for the point