com.vividsolutions.jts.operation.overlay
Class PolygonBuilder

java.lang.Object
  com.vividsolutions.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

PolygonBuilder(GeometryFactory geometryFactory)

Method Summary

void	add(Collection dirEdges, Collection nodes) Add a set of edges and nodes, which form a graph.
void	add(PlanarGraph graph) Add a complete graph.
boolean	containsPoint(Coordinate p) Checks the current set of shells (with their associated holes) to see if any of them contain the point.
List	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(PlanarGraph graph)

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

add

public void add(Collection dirEdges,
                Collection 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.

getPolygons

public List getPolygons()

containsPoint

public boolean containsPoint(Coordinate p)

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