GIS and SWMM model-based sub catchment area quick search connection method

A connection method and catchment area technology, applied in 3D modeling, structured data retrieval, instrumentation, etc., can solve problems such as inability to quickly input and generate, reduce manual input debugging, improve time efficiency, and quickly model effect of demand

Inactive Publication Date: 2021-03-30
重庆华悦生态环境工程研究院有限公司
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Problems solved by technology

SWMM is mainly input and generated in the form of Inp files. However, in actual engineering cases, wh

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  • GIS and SWMM model-based sub catchment area quick search connection method
  • GIS and SWMM model-based sub catchment area quick search connection method

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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings. In the description of the present invention, it should be understood that the orientations or positional relationships indicated by orientation words such as "up, down" and "top, bottom" are usually based on the orientations or positional relationships shown in the accompanying drawings, and are only for To facilitate the description of the present invention and to simplify the description, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation unless stated otherwise, and therefore cannot be construed as a reference to this invention Limitation of the protection scope of the invention; the orientation words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0020] like Figure 1-2 As s...

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Abstract

The invention relates to a GIS and SWMM model-based sub-catchment area quick search connection method, which comprises the steps of 1, importing original data into GIS software to generate a surface map layer of a sub-catchment area shp, and inputting pipe network node data to generate a point map layer of the shp; 2, converting the graph surface layer of the sub-catchment area shp in the step 1 into a point surface layer, and performing mask analysis on the point surface layer to generate point X and Y coordinates and elevation information; 3, based on GIS software, conducting neighbor analysis on the point graph layer of the pipe network node shp in the step 1 and the point graph layer of the sub-catchment area in the step 2; 4, comparing the elevation information of the two points in the step 3, completing the search connection of the sub catchment areas, and exporting the coordinate information to generate an Inp file; and 5, creating and generating a hydraulic pipe network model on the SWMM platform by using the Inp file.

Description

technical field [0001] The invention relates to the interdisciplinary field of municipal engineering, geographic information system and environmental protection technology, in particular to a method for quickly searching and connecting sub-catchment areas based on GIS and SWMM models. Background technique [0002] The urban drainage pipe network system is the "blood" of the city's underground transportation and one of the most important infrastructures of the city. In recent years, with the continuous expansion of the city, the load borne by the underground pipe network is also increasing. In the urban planning and construction management, the development and construction of the pipe network is particularly prominent, and the hydraulic model of the pipe network can digitally simulate the actual underground pipe network with the help of computer technology, which can not only realize the simulation of the current state of the pipe network, but also Carry out more accurate sim...

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Application Information

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IPC IPC(8): G06F30/13G06F16/29G06F16/25G06T17/05G06Q50/26
CPCG06F30/13G06F16/29G06F16/258G06T17/05G06Q50/26
Inventor 叶文华李继强吴金富
Owner 重庆华悦生态环境工程研究院有限公司
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