Package org.locationtech.jts.operation.overlay

Class ConsistentPolygonRingChecker

java.lang.Object

org.locationtech.jts.operation.overlay.ConsistentPolygonRingChecker

public class ConsistentPolygonRingChecker
extends Object

Tests whether the polygon rings in a GeometryGraph are consistent. Used for checking if Topology errors are present after noding.

Version:

1.7

Field Summary

Fields

Modifier and Type	Field	Description
private PlanarGraph	graph
private final int	LINKING_TO_OUTGOING
private final int	SCANNING_FOR_INCOMING

Constructor Summary

Constructors

Constructor	Description
ConsistentPolygonRingChecker(PlanarGraph graph)

Method Summary

Modifier and Type	Method	Description
void	check(int opCode)	Tests whether the result geometry is consistent
void	checkAll()
private List	getPotentialResultAreaEdges(DirectedEdgeStar deStar, int opCode)
private boolean	isPotentialResultAreaEdge(DirectedEdge de, int opCode)
private void	testLinkResultDirectedEdges(DirectedEdgeStar deStar, int opCode)

Methods inherited from class java.lang.Object

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

Field Details

graph

private PlanarGraph graph

SCANNING_FOR_INCOMING

private final int SCANNING_FOR_INCOMING

See Also:

• Constant Field Values

LINKING_TO_OUTGOING

private final int LINKING_TO_OUTGOING

See Also:

• Constant Field Values

Constructor Details

ConsistentPolygonRingChecker

public ConsistentPolygonRingChecker(PlanarGraph graph)

Method Details

checkAll

public void checkAll()

check

public void check(int opCode)

Tests whether the result geometry is consistent

Throws:

TopologyException - if inconsistent topology is found

getPotentialResultAreaEdges

private List getPotentialResultAreaEdges(DirectedEdgeStar deStar,
 int opCode)

isPotentialResultAreaEdge

private boolean isPotentialResultAreaEdge(DirectedEdge de,
 int opCode)

testLinkResultDirectedEdges

private void testLinkResultDirectedEdges(DirectedEdgeStar deStar,
 int opCode)