TUFLOW SWMM Tutorial M01: Difference between revisions
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In this module, three culverts are added to represent flow through three separate road embankments. EPA SWMM is used as the solution scheme for the 1D culvert flow calculations, dynamically linked with the TUFLOW HPC 2D solution scheme. <br>
TUFLOW SWMM Tutorial Module 1 builds from the model created in <u>[[Tutorial_M02 |TUFLOW Tutorial Module 2]]</u> (in the TUFLOW Only tutorial dataset). The completed Module 2 model is provided in the '''''TUFLOW_SWMM_Module_01\TUFLOW''''' folder of the download dataset as the starting point for this tutorial. If you are not already familiar with TUFLOW, we recommend first completing Module 1 and 2 of the <u>[[Tutorial_Introduction | "TUFLOW Only" Tutorials]]</u> to establish an understanding of 2D
= QGIS Project Initialization =
QGIS Version 3.34 or newer, and QGIS TUFLOW Plugin 3.9.0.49 or newer are required to access the SWMM Processing Tools described in the following sections. For installation, see <u>[https://wiki.tuflow.com/index.php?title=TUFLOW_QGIS_Plugin#Installation_of_Plugin Installation of TUFLOW Plugin]</u>.<br>
<ol>
<li>Open QGIS.
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<li>Go to '''TUFLOW > SWMM''' in the processing tool list and select 'GeoPackage - Create'. This opens the dialog shown below.
:*To set the ‘CRS for GeoPackage’: Click the drop down menu and select ‘Project CRS: EPSG:32760 - WGS 84 / UTM zone 60S’.
:*To set the ‘Initial SWMM Sections’: Click
:**'''Project--Title''', '''Project--Options''', '''Project --Report.'''
:**'''Nodes--Junctions''', '''Nodes--Outfalls.'''
:**'''Links--Conduits, Links--Streets'''.
:*To define the ‘GPKG filename to create’: Click
<li>Click ‘Run’.
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== GIS Data Entry ==
A GeoPackage database called '''SWMM_Culverts.gpkg''' is provided in the '''TUFLOW_SWMM_Module_01\Tutorial_Data''' folder. It contains three layers:
:*'''Conduits:''' defines the culvert location, type and geometry.
:*'''Junctions:''' defines the upstream
:*'''Outfalls:''' defines the downstream culvert inverts.
<br>
To populate the GeoPackage database created in the previous section:
<ol>
<li>In Windows Explorer, navigate to the '''TUFLOW_SWMM_Module_01\Tutorial_Data''' folder. Drag and drop the '''SWMM_Culverts.gpkg''' into QGIS. By default, all items in the GeoPackage database will be selected. Click 'Add Layers'.
<li>In the QGIS Layers panel, right click on the '''SWMM_Culverts >>''' '''Conduits''' layer and select 'Zoom to Layer'.
<li>Use the 'Select Features' tool to highlight all items included in '''Conduits'''.
<li>Select 'Edit' from the top QGIS tab and 'Copy Features' from the drop down
<li>Select the '''sw01_001.gpkg >>''' '''Links--Conduits''' layer in the Layers panel by left clicking on it once.
<li>Make the '''Links--Conduits''' layer editable by clicking the 'Toggle Editing' symbol [[File:toggle_editing_icon.png|27x27px]].
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