1.GPolyline折线对象和GPolygon多边形对象html
html标签中必须包含v="urn:schemas-microsoft--com:vml"的命名空间算法
<html xmlns:v="urn:schemas-microsoft--com:vml">api
new GPolyline(points,color?,weight?,opacity?)google
new GPolygon(points,strokeColor,strokeWeight,strokeOpacity,fillColor,fillOpacity)编码
2.GPolyline折线对象和GPolygon多边形对象的工厂方法fromEncoded()code
GPolyline.fromEncoded(color,weight,opacity,points,zoomFactor,levels,numLevels)//points编码后的数据,xml
GPolygon.fromEncoded(polylins,fill,color,opacity,outline)//polylins一组通过编码的折线数据;fill是否以color参数指定的颜色填充多边形;opacity和outline参数表示是否以指定的透明度绘制边线。htm
3.如何简单快速的将经纬度信息转化为编码:对象
(1)对于静态、不须要修改的数据: http://www.google.com/apis/maps/documentation/polylineutility.htmlci
编码算法: http://www.google.com/apis/maps/documentation/polylinealgorithm.html
4.其余类方法
getVertexCount()和getVertex()
GPolyline.getVertexCount()或GPolygon.getVertexCount() //返回值为该折线或多边形全部顶点的个数
GPolygon.getVertex()或GPolyline.getVertex() //index表示指定折线或多边形顶点所表明的序号,返回值为序号,为该参数的GLatLng()对象