com.graphhopper.routing.util.spatialrules

Class Polygon

java.lang.Object

com.graphhopper.routing.util.spatialrules.Polygon

public class Polygon
extends Object

This class represents a polygon that is defined by a set of points. Every point i is connected to point i-1 and i+1.

TODO: Howto design inner rings in the polygon?

Author:

Robin Boldt

Constructor Summary

Constructors

Constructor and Description
Polygon(double[] lat, double[] lon)

Method Summary

Modifier and Type	Method and Description
boolean	contains(double lat, double lon) Implements the ray casting algorithm Code is inspired from here: http://stackoverflow.com/a/218081/1548788
boolean	contains(GHPoint point) Wrapper method for contains(double, double).
static Polygon	create(com.vividsolutions.jts.geom.Polygon polygon) Lossy conversion to a GraphHopper Polygon.
double	getMaxLat()
double	getMaxLon()
double	getMinLat()
double	getMinLon()

Methods inherited from class java.lang.Object

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

Constructor Detail

Polygon

public Polygon(double[] lat,
               double[] lon)

Method Detail

create

public static Polygon create(com.vividsolutions.jts.geom.Polygon polygon)

Lossy conversion to a GraphHopper Polygon.

contains

public boolean contains(GHPoint point)

Wrapper method for contains(double, double).

contains

public boolean contains(double lat,
                        double lon)

Implements the ray casting algorithm Code is inspired from here: http://stackoverflow.com/a/218081/1548788

Parameters:

lat - Latitude of the point to be checked

lon - Longitude of the point to be checked

Returns:

true if point is inside polygon

getMinLat

public double getMinLat()

getMinLon

public double getMinLon()

getMaxLat

public double getMaxLat()

getMaxLon

public double getMaxLon()