【摘要】 城市建筑物的三维建模是数字城市基础建设中最重要的技术之一,对建筑物测绘和三维点的计算进行了论述和对比,并介绍了使用ACAD中的CAL函数构建的基础计算程序。更多还原

【Abstract】 The 3D modeling of urban building is one of the most important techniques in digital urban foundational construction. The calculation of the surveying and mapping of building and the calculation of 3D point is discussed and compared in the article, and the basic calculation program of constructing CAL function in using ACAD is introduced.更多还原