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TUFLOW SWMM Tutorial M01: Difference between revisions

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The provided GIS data requires numerous updates, prior to our model simulation. We have built these updates into this tutorial to demonstrate some of the available TUFLOW SWMM model built processing tools. The following updates are being made to Objects and Layers within '''sw01_001.gpkg'''.
===Update Conduit Details===
Step 1 involves updating the ''From Node'' and ''To Node'' attribute information in '''Links--Conduits'''. This information is necessary to "build" the 1D SWMM network. It defines the Link/Node connections. The information we will be adding to '''Links--Conduits''' is extracted from '''Nodes--Junctions''' and '''Nodes--Outfalls''' automatically using the 'Conduits - Assign Node Fields' tool from the Processing Toolbox.
<ol>
<li>In the QGIS Layers Panelpanel, select (left click) '''Links--Conduits''' and toggle on editing.
<li>In the Processing Toolbox, select the 'Edit Features In-Place' tool [[File:edit_features_in_place_icon.png]]. This allows the editing of an existing layer, instead of the creation of a new layer.
<li>Go to TUFLOW > SWMM in the processing tool list and select 'Conduits - Assign Node Fields'. This opens the dialog shown below.
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Step 2, update the loss attributes in the '''Links--Conduits''' Layer. These values will be entered manually in this example using default values. Variation to the default values can be used in project models to reflect site specific information if desired.
<ol>
<li>In the QGIS Layers Panelpanel, select (left click) '''Links--Conduits''' and toggle on editing.
<li>Right click '''Links--Conduits''' and select 'Open Attribute Table'.
<li>Update the following fields:
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The following instructions introduce a new tool that automates the creation of 1D/2D connections. For 1D SWMM, HX lines are required from the upstream end of the culvert, and SX connections are used at the downstream end of the culvert.
<ol>
<li>In the QGIS Layers Panelpanel, select (left click) '''Links--Conduits'''.
<li>In the Processing Toolbox, go to TUFLOW > SWMM and select 'BC - Create channel endpoint 1D/2D connections'. This opens the dialog shown below.
:*Input Conduits Layer: '''Links--Conduits'''
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<li>Click 'Run'.
<li>Once the tool is finished, click 'Close'.
<li>The '''2d_bc_SWMM_Culvert_Connections_001_L''' appears in the Layers Panelpanel.
</ol>
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<ol>
<li>In the QGIS Layers Panelpanel, select (left click) '''Nodes--Junctions''' and toggle on editing.
<li>In the Processing Toolbox, select the 'Edit Features In-Place' tool. This allows the editing of an existing layer, instead of the creation of a new layer.
<li>Go to TUFLOW > SWMM in the processing tool list and select 'Junctions - Set attributes' processing tool. This opens the dialog shown below.
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