柱面投影等多种投影程序，包括斜柱等积方位投影，正轴等角割圆柱投影，高斯克吕克投影-Such as cylindrical projection projection procedures, including product direction, such as oblique projection column is cut Conformal cylindrical projection axis, high斯克吕克projecti

绘制正轴、横轴、等角、等面积、等距离方位投影，并可设定中央经线和加载地图数据-Drawing is axis, horizontal axis, equal angles, equal area, equidistant azimuth projection, and can set the central longitude and load map data

地图投影坐标转换，高斯正算，高斯反算，大地坐标系转空间坐标系，空间坐标系转大地坐标系。方位投影，墨卡托投影（正轴等角圆柱投影），高斯克吕格投影的算法表示-Map projection coordinate conversion, Gaussian positive operator, Inverse Gaussian, and the earth coordinate system to switch space coordinate