Research And Implementation Of Three-dimensional Display System Of Urban Underground Pipeline Based On ArcGIS Engine

With the continuous development of urban construction and the continuous updating of urban infrastructure,the utilization ratio of urban surface space is getting higher and higher,and underground pipeline is the most basic and most important part of urban underground space in the development of urban construction.Underground pipelines play an important role in material transportation and information transmission,and aimed to save space and prevent damage,pipelines such as water and gas supply,communication cable they all choose to be buried in the underground space.The damages,obstruction and other accidents of the underground pipeline will bring great inconvenience to urban life.Therefore,underground pipeline is an essential part of urban infrastructure and the daily life of residents.However,when they saving urban surface space,the method buried also caused the inconvenience of visibility,brings inconvenience to the investigation and maintenance of pipeline.Due to authority of different types of pipeline management belongs to different department,the storage and management of Pipeline data is not perfect,caused confusion in the management and maintenance of underground pipelines.Therefore,the effective management and utilization of urban underground pipeline is very important.With the rapid development of computer technology nowadays,the application of GIS technology in urban management has been improved.The management of urban underground pipeline with the combination of urban underground pipeline and GIS technology has achieved good results.And the application of 3D GIS technology in urban underground pipeline management has become one of the hot spots.The 3D GIS can visualize and visualize the abstract 2D planar graph,not only provide professional management and analysis,but visual and intuitive 3D models for ordinary users.It has a unique advantage in visualization.This paper summarizes the theoretical basis of the research on 3D pipeline,puts forward the technical route and method of establishing 3D display system of urban underground pipeline,and provides method of the management of underground pipelines in the construction of smart city.This paper takes ArcGIS Engine as the development component and C#as development language,design and development of 3D display system for urban underground pipeline on the basis of 3D pipeline modeling.This paper first introduces the background and significance of the research,the domestic and foreign achievements in pipeline management and research status of 3D GIS technology at home and abroad,points out the existing problems of pipeline management mode.This paper gives a brief introduction of the current domestic and international mainstream 3D GIS platform and introduces details of the system used in the development of components ArcGIS Engine and its family products.This paper introduces demand analysis of 3D display system of urban underground pipeline,analysis the establishment of the necessary functions of the system,introduces the overall design,database and functional design of the system.This paper analysis the modeling method of 3D pipeline puts forward the modeling method of efficient and fast 3D underground pipeline model according to the characteristics of pipeline.The buffer algorithm of 3D pipeline model is also studied.This paper introduces the construction process of 3D display system of urban underground pipeline,and introduces the function of the system in a modular way.The main functions of the system such as browsing,query,statistics,calculation,net distance analysis,connectivity analysis,analysis of pipe burst and cross section analysis is also described in detail.Finally,the research results and significance of this paper are summarized,and the future development goals and direction of urban underground pipeline are prospected.