Ruby Gem，仅为中心点（经度、纬度）和半径创建KML正多边形（方形、六边形、圆形、星形等）。，Ruby Gem to create a KML regular polygon (square, hexagon , circle, star etc.) for only a centre-point (longitude, latitude) and radius., (2017-01-08, Ruby, 0KB, 下载0次)