com.revolsys.jts.operation.overlay

Class PolygonBuilder

java.lang.Object

com.revolsys.jts.operation.overlay.PolygonBuilder

public class PolygonBuilder
extends Object

Forms Polygons out of a graph of DirectedEdges. The edges to use are marked as being in the result Area.

Version:

1.7

Constructor Summary

Constructors

Constructor and Description
PolygonBuilder(GeometryFactory geometryFactory)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(Collection<DirectedEdge> dirEdges, Collection<Node> nodes) Add a set of edges and nodes, which form a graph.
void	add(PlanarGraph graph) Add a complete graph.
boolean	containsPoint(Point point) Checks the current set of shells (with their associated holes) to see if any of them contain the point.
List<Polygon>	getPolygons()

Methods inherited from class java.lang.Object

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

Constructor Detail

PolygonBuilder

public PolygonBuilder(GeometryFactory geometryFactory)

Method Detail

add

public void add(Collection<DirectedEdge> dirEdges,
       Collection<Node> nodes)

Add a set of edges and nodes, which form a graph. The graph is assumed to contain one or more polygons, possibly with holes.

add

public void add(PlanarGraph graph)

Add a complete graph. The graph is assumed to contain one or more polygons, possibly with holes.

containsPoint

public boolean containsPoint(Point point)

Checks the current set of shells (with their associated holes) to see if any of them contain the point.

getPolygons

public List<Polygon> getPolygons()