TUFLOW SWMM Tutorial M02 Check QGIS

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Review SWMM Check Files

When TUFLOW runs SWMM, it can accommodate for multiple INP input files within the SWMM Control file. TUFLOW combines the input INP files into a single combined INP file for the simulation execution. The combined file that TUFLOW uses is written to the TUFLOW\results folder. The QGIS TUFLOW Plugin SWMM Processing Tool, 'GeoPackage - Create from SWMM inp' can be used to create a spatial GeoPackage version of the data for post simulation review checking.

  1. In the Processing Toolbox, select 'GeoPackage - Create from SWMM inp'. This opens the dialog shown below.
    • SWMM Input File (inp): Navigate to the TUFLOW\results folder and select TS02_5m_001_swmm.inp.
    • CRS for GeoPackage: Click the drop down menu and select ‘Project CRS: EPSG:32760 - WGS 84 / UTM zone 60S’.
    • SWMM Tags to ignore: leave blank.
    • GeoPackage output filename: Click the ... and select 'Save to GeoPackage'. Navigate to the TUFLOW\check folder and set the GeoPackage output filename to TS02_5m_001_swmm_check.gpkg.
  2. Click 'Run'.
  3. Once the tool has finished, click 'Close'.
  4. TS02_5m_001_swmm_check.gpkg will now be available in the TUFLOW\check folder.
  5. In File Explorer, navigate to the TUFLOW\check folder and drag and drop TS02_5m_001_swmm_check.gpkg into QGIS.
  6. When prompted by QGIS, select 'Add Layers to open all layers within TS02_5m_001_swmm_check.gpkg. By default, all items in the available list should have been selected.

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Review the TUFLOW Check Files

  1. In File Explorer, navigate to the TUFLOW\check folder and drag and drop TS02_5m_001_Check.gpkg into QGIS.
  2. When prompted by QGIS, select TS02_5m_001_swmm_pit_P and TS02_5m_001_1d_to_2d_check_R (hold Ctrl to select multiple), then click 'Add Layers'.
  3. Use the 'Apply TUFLOW Styles to Open Layers'.
  4. Also open, TS02_5m_001_DEM_Z from TUFLOW\check. Style the topography check file using the same hillshade styling you used for the input DEM model geometry.


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