通过全国160个站点的数据。空间内插后，用Mo生产查询信息系统，可用点选属性-through the National 160 site data. Spatial interpolation, with Mo inquiries production information systems, available Click attributes

完成一个DEM内插算法，需要输入数据，然后计算一个未知高程的点的内插高程。-Completion of a DEM interpolation algorithm, the input data, and then calculate the interpolated elevation of a point of unknown elevation.

自动布设横断面，内插高程点，各种小功能的集成。-Automatic layout cross-sectional, interpolation elevation point, integration of various kinds of small feature.