市政技术2024，Vol.42Issue(4)：237-244,8.DOI:10.19922/j.1009-7767.2024.04.237
具有数据保护功能的排水管网自动简化技术
Automatic Simplification of Drainage Network with Data Protection Function
王芳1
作者信息
- 1. 武汉市规划研究院(武汉市交通发展战略研究院),湖北武汉 430014
- 折叠
摘要
Abstract
During the hydraulic modeling process of urban drainage network,network simplification is necessary to improve the simulation efficiency.In order to solve the problems of low automation and destruction of original net-work data for current network simplification technology,a drainage network automatic simplification technology with data protection function was designed.By introducing simplified status identification of network elements,the ap-propriate simplified feature fields were extended to describe the topological relationship of simplified node,pipeline and subcatchment area.Based on breadth-first traversal,the branch pipe trimming and serial pipes were merged with the same attribute so that the network can be simplified automatically under the condition of protecting the orig-inal data.The feasibility of this method was verified by a practical case.The results show that the the hydraulic sim-ulation results of the networks before and after simplification is smaller and the simulation time can be compressed to about 5.5％of the original network model.关键词
GIS/排水管网/管网简化/数据保护/广度优先遍历Key words
GIS/drainage network/network simplification/data protection/breadth-first traversal分类
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王芳..具有数据保护功能的排水管网自动简化技术[J].市政技术,2024,42(4):237-244,8.
