PolygonBuilder

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.

Constructor Summary

Constructors

Constructor and Description
`PolygonBuilder(GeometryFactory geometryFactory)`

Method Summary

All Methods

Instance Methods

Concrete Methods
Modifier and Type	Method and Description
`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.