一、引言古建筑是指具有历史意义的古代民用和公共建筑,以及民国时期的建筑,从发展的角度看,古建筑既可以用于旅游开发,又是古代文化遗产的象征。目前古建筑保护工作是非常重要的,而其中古建筑测绘又是非常重要的一环。从概念来说,工程目的的实质就是真实客观地反映古建筑的原貌,为古建筑提供详尽、系统的资料,作为技术档案保存,为日后的修复、重建提供可靠的资料。目前,古建筑测绘工作使用的仪器大多是测距仪,但测距仪应用在古 I. Introduction Ancient architecture refers to the historic civil and public buildings as well as the architecture of the Republic of China. From the perspective of development, ancient architecture can be used both for tourism development and as a symbol of ancient cultural heritage. At present, the protection of ancient buildings is very important, and the survey of ancient buildings is a very important part. From a conceptual point of view, the essence of the project objective is to truly and objectively reflect the original appearance of the ancient buildings, providing detailed and systematic information for the ancient buildings and preserving the technical archives so as to provide reliable information for future restoration and reconstruction. At present, most of the instruments used in surveying and mapping ancient buildings are range finders, but the range finders are used in ancient