Package cn.mapway.geo.shared.vector

Class Polygon

java.lang.Object

cn.mapway.geo.shared.vector.GeoObject

cn.mapway.geo.shared.vector.Polygon

All Implemented Interfaces:

Serializable

public class Polygon
extends GeoObject
implements Serializable

Polygon 多边形

Author:

zhang

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
List<Line>	lines

Constructor Summary

Constructors

Constructor	Description
Polygon()

Method Summary

Modifier and Type	Method	Description
void	addLine(Line line)
void	forceRightHandRule()	将多边形强制转化为 右手规则 外边框是 逆时针方向 内部是顺时针方向 算法参考 https://github.com/mapbox/geojson-rewind if (rings.length === 0) return;
Box	getExtend()

Methods inherited from class java.lang.Object

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

Field Details

lines

public List<Line> lines

Constructor Details

Polygon

public Polygon()

Method Details

addLine

public void addLine(Line line)

getExtend

public Box getExtend()

Specified by:

getExtend in class GeoObject

forceRightHandRule

public void forceRightHandRule()

将多边形强制转化为 右手规则 外边框是 逆时针方向 内部是顺时针方向 算法参考 https://github.com/mapbox/geojson-rewind if (rings.length === 0) return;

rewindRing(rings[0], outer); for (var i = 1; i < rings.length; i++) { rewindRing(rings[i], !outer); }