城市地下管线作为城市信息传输、物质运送的生命线,在城市基础建设中发挥着重要的作用,随着智慧城市建设的推进,各地三维城市地下管线的建设也取得了一定的进展.在对三维管线的空间分析中,缓冲区分析存在于管线的设计、铺设、维护的各个阶段,具有重要的作用.本文介绍一种三维城市地下管线缓冲区分析的算法.%Urban underground pipeline plays an important role in urban infrastructure as the lifeline of the city for the information and material transportation. The speed of the construction of 3D urban underground pipeline progressed rapidly recent years with the development of the Smart City. Buffer analysis is important for the spatial analysis of the 3D urban underground pipeline and it exists in various stages of the pipeline's design, laying and maintenance. In this paper, a new algorithm for the analysis of 3D urban underground pipeline buffer is introduced.
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