用VB开发的GIS系统，主要完成由测量的地形离散点生成TIN数据，内附详细的说明和源代码-VB development of the GIS system, mainly completed by measuring the topography of discrete data points generated TIN, contains detailed descr iptions and source code

在java开发的过程中，一些数据统计或者报表用到的图表，比如：饼图，条形图等-In java development process, some of the statistics used in the report or chart, such as: pie charts, bar charts, etc.