com.revolsys.jts.shape.random

Class RandomPointsBuilder

java.lang.Object

com.revolsys.jts.shape.GeometricShapeBuilder

com.revolsys.jts.shape.random.RandomPointsBuilder

public class RandomPointsBuilder
extends GeometricShapeBuilder

Creates random point sets contained in a region defined by either a rectangular or a polygonal extent.

Author:

mbdavis

Field Summary

Fields

Modifier and Type	Field and Description
protected Geometry	maskPoly

Fields inherited from class com.revolsys.jts.shape.GeometricShapeBuilder

extent, geometryFactory, numPts

Constructor Summary

Constructors

Constructor and Description
RandomPointsBuilder() Create a shape factory which will create shapes using the default GeometryFactory.
RandomPointsBuilder(GeometryFactory geomFact) Create a shape factory which will create shapes using the given GeometryFactory.

Method Summary

Methods

Modifier and Type	Method and Description
protected Point	createCoord(double x, double y)
protected Point	createRandomCoord(BoundingBox env)
Geometry	getGeometry()
protected boolean	isInExtent(Point p)
void	setExtent(Geometry mask) Sets a polygonal mask.

Methods inherited from class com.revolsys.jts.shape.GeometricShapeBuilder

getCentre, getDiameter, getExtent, getRadius, getSquareBaseLine, getSquareExtent, setExtent, setNumPoints

Methods inherited from class java.lang.Object

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

Field Detail

maskPoly

protected Geometry maskPoly

Constructor Detail

RandomPointsBuilder

public RandomPointsBuilder()

Create a shape factory which will create shapes using the default GeometryFactory.

RandomPointsBuilder

public RandomPointsBuilder(GeometryFactory geomFact)

Create a shape factory which will create shapes using the given GeometryFactory.

Parameters:

geomFact - the factory to use

Method Detail

createCoord

protected Point createCoord(double x,
                double y)

Overrides:

createCoord in class GeometricShapeBuilder

createRandomCoord

protected Point createRandomCoord(BoundingBox env)

getGeometry

public Geometry getGeometry()

Specified by:

getGeometry in class GeometricShapeBuilder

isInExtent

protected boolean isInExtent(Point p)

setExtent

public void setExtent(Geometry mask)

Sets a polygonal mask.

Parameters:

mask -

Throws:

IllegalArgumentException - if the mask is not polygonal