利用contour组件和经纬度+高程数据转换等高线.是delphi程序.-Using latitude and longitude+ elevation contour components and data conversion contour lines. Is the delphi program.

用contour组件在delphi语言下开发的关于经纬度和高程数据转换tin的应用程序.-Contour component with delphi language developed under the latitude and longitude and elevation data conversion on the tin applications.