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我想复制此地图上示出的轮廓效果:https://maps.google.co.uk/maps?hl=en&safe=off&q=switzerland&ie=UTF-8&hq=&hnear=0x478c64ef6f596d61:0x5c56b5110fcb7b15,Switzerland&gl=uk&ei=PXO3UK3UPMS1hAfmjoDgBQ&sqi=2&ved=0CKQBELYD仅在一侧的Google地图上绘制路径?
换句话说,我想得出的路径:
- 沿着仅一侧的路径的示在GeoJSON中定义
- 从路径外侧向内部渐变透明?
Google Maps API可能有哪些功能?