GCJ-02 topic

GCJ-02 and BD-09 are map obfuscation algorithms used in China; obfuscation is mandatory for all domestic online maps.

List GCJ-02 repositories

MapHelper

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:earth_asia: MapHelper是一个整合了高德地图、百度地图、腾讯地图、谷歌地图等相关路线规划和导航的地图帮助类库

PRCoords

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Public Domain library for rectifying Chinese coordinates

xyconvert

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Converting xy coordinates between WGS-84, GCJ-02 and BD-09 system

ol-proj-ch

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china's gcj02 for openlayers