Slicing image to map tile for https://github.com/lemberg/mappwidget
SlicingTool的修改版：https://github.com/lemberg/mappwidget/tree/master/slicingtool
作为Java Application运行，而不是Eclipse Application（我的Eclipse硬是没把这个插件正常运行起来）
具体参数通过Config类来配置。
https://github.com/peterLaurence/MapView
https://github.com/onlylemi/MapView
https://github.com/jiahuanyu/SVGMapView