com.graphhopper.util.shapes

Class Polygon

java.lang.Object

com.graphhopper.util.shapes.Polygon

All Implemented Interfaces:

Shape

public class Polygon
extends Object
implements Shape

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.

Author:

Robin Boldt

Field Summary

Fields

Modifier and Type	Field and Description
org.locationtech.jts.geom.Envelope	envelope
org.locationtech.jts.geom.prep.PreparedGeometry	prepPolygon
boolean	rectangle

Constructor Summary

Constructors

Constructor and Description
Polygon(double[] lats, double[] lons)
Polygon(org.locationtech.jts.geom.prep.PreparedPolygon prepPolygon)

Method Summary

Modifier and Type	Method and Description
boolean	contains(double lat, double lon) Does the point in polygon check.
static Polygon	create(org.locationtech.jts.geom.Polygon polygon)
BBox	getBounds()
double	getMaxLat()
double	getMaxLon()
double	getMinLat()
double	getMinLon()
boolean	intersects(PointList pointList)
boolean	isRectangle()
static Polygon	parsePoints(String pointsStr)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

prepPolygon

public final org.locationtech.jts.geom.prep.PreparedGeometry prepPolygon

rectangle

public final boolean rectangle

envelope

public final org.locationtech.jts.geom.Envelope envelope

Constructor Detail

Polygon

public Polygon(org.locationtech.jts.geom.prep.PreparedPolygon prepPolygon)

Polygon

public Polygon(double[] lats,
               double[] lons)

Method Detail

create

public static Polygon create(org.locationtech.jts.geom.Polygon polygon)

intersects

public boolean intersects(PointList pointList)

Specified by:

intersects in interface Shape

contains

public boolean contains(double lat,
                        double lon)

Does the point in polygon check.

Specified by:

contains in interface Shape

Parameters:

lat - Latitude of the point to be checked

lon - Longitude of the point to be checked

Returns:

true if point is inside polygon

getBounds

public BBox getBounds()

Specified by:

getBounds in interface Shape

Returns:

the minimal rectangular bounding box of this shape

getMinLat

public double getMinLat()

getMinLon

public double getMinLon()

getMaxLat

public double getMaxLat()

getMaxLon

public double getMaxLon()

isRectangle

public boolean isRectangle()

toString

public String toString()

Overrides:

toString in class Object

parsePoints

public static Polygon parsePoints(String pointsStr)