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.
地図を3D表示し、Google Earthとデータをやり取りします