QGIS SWMM GeoPackage Create from SWMM inp
Introduction
This tool converts a SWMM input file (.inp) to a GeoPackage file (.gpkg) that can be visualized and edited within GIS. For most tables, the GeoPackage file is a simple conversion of the SWMM tables. For tables that have columns with multiple options, each of the options has its own column (it is a wide-format that does not reuse columns for different purposes). Some of the tables in the inp file will be combined in the GeoPackage representation. For example, the XSection table is appended to the Conduits, Weirs, and Orifices tables and the Losses table is appended to the Conduits table. Combining tables prevents needing to edit multiple tables when new features are added or moved. Fields usage can be inferred from looking at the SWMM input file documentation.
Usage
This tool can be found in the QGIS processing toolbox panel under 'TUFLOW > SWMM'. To open the Processing Toolbox Panel, navigate to 'Processing' in the menubar and select 'Toolbox'.
Parameters
- SWMM Input File (.inp): Select the ... button to bring up a dialogue and then navigate to the location of the SWMM inp file to convert.
- CRS for GeoPackage: Select the desired CRS (Coordinate Reference System) for the GeoPackage by either the drop down menu, or by selecting 'Select CRS'
and using the CRS Selector.
- SWMM Tags to ignore during conversion in a comma delimited list: ???
- GeoPackage output filename: Select the ... button to bring up a dialogue and then navigate to the desired location of the GeoPackage.
Example
Using the SWMM Tags to ignore during converson option:
????
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