RandomPointsBuilder

com.vividsolutions.jts.shape.random

Class RandomPointsBuilder

java.lang.Object
- com.vividsolutions.jts.shape.GeometricShapeBuilder
- - com.vividsolutions.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.

Field Summary

Fields

Modifier and Type	Field and Description
`protected Geometry`	`maskPoly`

Fields inherited from class com.vividsolutions.jts.shape.GeometricShapeBuilder
extent, geomFactory, 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

All Methods

Instance Methods

Concrete Methods
Modifier and Type	Method and Description
`protected Coordinate`	`createCoord(double x, double y)`
`protected Coordinate`	`createRandomCoord(Envelope env)`
`Geometry`	`getGeometry()`
`protected boolean`	`isInExtent(Coordinate p)`
`void`	`setExtent(Geometry mask)` Sets a polygonal mask.

Methods inherited from class com.vividsolutions.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
  - setExtent
```
public void setExtent(Geometry mask)
```
    Sets a polygonal mask.
    
    Parameters:
    
    mask -
    
    Throws:
    
    IllegalArgumentException - if the mask is not polygonal
  - getGeometry
```
public Geometry getGeometry()
```
  - isInExtent
```
protected boolean isInExtent(Coordinate p)
```
  - createCoord
```
protected Coordinate createCoord(double x,
                                 double y)
```
  - createRandomCoord
```
protected Coordinate createRandomCoord(Envelope env)
```