If you are a cartographer or have an interest in creating your own maps use OKMap. Plot where you want to go and by using the map tiling for handheld GPS locations and routes will be displayed. Convert coordinates and datum’s between different formats for either imaging, map tiling, GPS data or GPS track maker. The features are endless and you will spend hours navigating through them.
以3D的形观看地图,并与谷歌地球交换数据