用Delphi开发的GIS软件源码,用Delphi开发的GIS软件源码-The development of GIS software with Delphi source code, using GIS software developed by Delphi source code

个人图形系统，可绘制简单图形，并保存成矢量图。-Personal graphics system can draw a simple graph, and save as vector.

CAD vector drawing. Allows you to draw lines, circles or rectangles in a vectorial way for easily way exporting to dxf file-CAD vector drawing. Allows you to draw lines, circles or rectangles in a vectorial way for easily way exporting to dxf fil