数字高程模型(DEM)是一定区域范围内规则格网点的平面坐标及其高程的数据集或者是经、纬度和海拔高度的数据集。

DEM (Digital elevation Model) is a data set of plane coordinate or longitude, latitude, and elevation of the regular square grid points in some region.

youdao

论述了一种基于规则格网地形模型的动态构网算法。

This paper discusses an algorithm of dynamic triangulation for RSG model of terrain.

youdao

本文论述了一种基于规则格网地形模型的实时动态构网算法。

This paper discusses an algorithm of real-time dynamic triangulation for RSG model of terrain.

youdao