Package com.google.common.geometry

Class S2EdgeQuery.CrossingFilter

java.lang.Object

com.google.common.geometry.S2EdgeQuery.CrossingFilter

All Implemented Interfaces:

S2EdgeQuery.Edges

Enclosing class:

S2EdgeQuery

private static final class S2EdgeQuery.CrossingFilter
extends Object
implements S2EdgeQuery.Edges

An Edges implementation that filters edges of a shape to those that intersect the edge AB or have an endpoint on either A or B.

Field Summary

Fields

Modifier and Type	Field	Description
private final S2EdgeUtil.EdgeCrosser	crosser
private final S2Shape.MutableEdge	edge
private final S2EdgeQuery.Edges	edges
private int	nextEdge
private final S2Shape	shape

Constructor Summary

Constructors

Constructor	Description
CrossingFilter(S2Shape shape, S2EdgeQuery.Edges edges, S2Point a0, S2Point a1)

Method Summary

Modifier and Type	Method	Description
private void	checkPosition()
boolean	isEmpty()	Returns true if there are no more edges.
int	nextEdge()	Returns the next edge ID, or throws an exception if empty.

Methods inherited from class java.lang.Object

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

Field Details

shape

private final S2Shape shape

edges

private final S2EdgeQuery.Edges edges

crosser

private final S2EdgeUtil.EdgeCrosser crosser

edge

private final S2Shape.MutableEdge edge

nextEdge

private int nextEdge

Constructor Details

CrossingFilter

CrossingFilter(S2Shape shape,
 S2EdgeQuery.Edges edges,
 S2Point a0,
 S2Point a1)

Method Details

nextEdge

public int nextEdge()

Description copied from interface: S2EdgeQuery.Edges

Returns the next edge ID, or throws an exception if empty.

Specified by:

nextEdge in interface S2EdgeQuery.Edges

isEmpty

public boolean isEmpty()

Description copied from interface: S2EdgeQuery.Edges

Returns true if there are no more edges.

Specified by:

isEmpty in interface S2EdgeQuery.Edges

checkPosition

private void checkPosition()