Abstract: This paper utilizes the theory of Space Analysis.Geometry,and advances a new and effective method to build the model of highway on that of Digieal Terrain model,which makes it more integrated to combine the two models.

Key words: digiteal terrain model, the model of highway, new method

摘要： 笔者利用空间解析几何原理,提出了新型、有效的在数字地面模型中公路横断面模型的建立方法.该方法能够使公路模型和数字地面模型更完整的结合

关键词: 数字地面模型, 公路模型, 新方法