The Visualization of DTM(Digital Terrain Model) is the main research content of GIS(Geographic Information System) > RS(Remote Sensing) and DP(Digital Photogrammetry),it has very important value in economic and military.

• 数字地面模型的可视化是地理信息系统(GIS)、遥感(RS)和数字摄影测量(DP)的重要研究内容，它具有重要的经济和军事应用价值。