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## com.vividsolutions.jts.operation.overlay
Class PolygonBuilder

    java.lang.Object
      com.vividsolutions.jts.operation.overlay.PolygonBuilder

public class PolygonBuilder
extends java.lang.Object

Forms `Polygon`s out of a graph of `DirectedEdge`s. The edges to use are marked as being in the result Area.

Version:
  1.7

Constructor Summary
`PolygonBuilder(GeometryFactory geometryFactory, CGAlgorithms cga)`

Method Summary
`void` | `add(java.util.Collection dirEdges, java.util.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.
`java.util.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,
                          CGAlgorithms cga)

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(java.util.Collection dirEdges,
                    java.util.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 java.util.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.

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