地质制图系统_GeoMap3.5正式版20080325，是地理信息系统领域和地震地质领域绘等值线等图的有效工具-Geological Mapping System _GeoMap3.5 official version 20080325, is the field of geographic information systems and seismic geological fields, such as contour map drawn an effective tool

Creation, transformations, algorithms and visualization of geometrical 3D primitives, such as points, lines, planes, polyhedra, circles and spheres.