摘要
在GIS环境中 ,对城市土地利用规划栅格图进行分类 ,并对导入的污水回用管网CAD图形构建几何网络 ,通过几何网络中的节点划分泰森多边形确定节点供水区域范围 ,分类统计各节点供水区域内的土地利用面积 ,根据分别对应的回用水定额 ,进行回用水量统计计算 。
The atlas of urban land utilization planning is imported into the GIS and classified. Alsothe CAD drawn wastewater reusing network plan is imported and the geometric network is built withGIS tools. The service subdivisions of wastewater reuse for each node will be decided by the ThiessenPolygons, which are formed on basis of those nodes in the network. Within these subdivisions, the areas of all types of land are counted, and referred to the standard of all types of wastewater reuse, the flow of wastewater reuse are calculated. This gives data support for wastewater reusing system planning.
出处
《给水排水》
CSCD
北大核心
2004年第8期100-103,共4页
Water & Wastewater Engineering
基金
北京市规划建设委员会资助项目 (0 0 5 0 2 37)
