TUFLOW SWMM Tutorial M01: Difference between revisions
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===Update Conduit Details===
==== Node 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 '<u>[[QGIS_SWMM_Conduits_Assign_Node_Fields |Conduits - Assign
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<li>In the QGIS Layers panel, 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 '<u>[[QGIS_SWMM_Conduits_Assign_Node_Fields |Conduits - Assign node fields]]</u>'.
<li>Tick on the SWMM Node Layers: '''Nodes--Junctions''' and '''Nodes--Outfalls'''.
<li>Select 'Modify All Features'.
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<li>View the attributes associated within '''Links--Conduits''' to verify the data processing has been completed correctly. The 'From Node' and 'To Node' attribute information is now configured correctly. For a broader understanding of the other attributes associated with the '''Links---Conduits''' Layer, refer to <u>[https://docs.tuflow.com/classic-hpc/release/2023-03-AD/SWMM-Input-Detailed-1.html#tab:tab-SWMM-Input-Conduits TUFLOW 2023-03-AD Release Notes (Table A.19)]</u> and the <u>[https://downloads.tuflow.com/SWMM/SWMM5_Reference_Manual_Volume2_Hydaulics_P100S9AS.pdf SWMM Reference Manual - Volume 2 (Hydraulics)]</u>. <br>
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'''Tip1:''' If you wish to only update a selection of objects, instead of selecting the entire '''Link--Conduits''' dataset, select the target objects first using the Feature by Area tool. The '<u>[[QGIS_SWMM_Conduits_Assign_Node_Fields |Conduits - Assign node fields]]</u>' tool will provide an option to 'Modify Selected Features', instead of 'Modify All Features.'<br>
'''Tip2:''' Unique Node ID's are required for the SWMM network to function error free. If you are following this workflow for a project model build, please ensure the '''Nodes--Junctions''' and '''Nodes--Outfalls''' object ID information is unique. If duplicate ID values are assigned to multiple objects, consider using the 'Integrity - Make object names unique' TUFLOW SWMM processing tool to ensure all ID values are unique before using '<u>[[QGIS_SWMM_Conduits_Assign_Node_Fields |Conduits - Assign node fields]]</u>'.
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{{Video|name=Animation_TS1_SWMM_Inputs_05e.mp4|width=1235}}
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An urban pipe network is added to the model in <u>[[TUFLOW_SWMM_Tutorial_M02 | TUFLOW SWMM Module 2]]</u>. In that situation, different loss attributes are required for the road culverts and underground stormwater pipe network links. To simplify the loss attribute update step in that situation, we will be using the '<u>[[QGIS_SWMM_Conduits_Assign_Node_Fields |Conduits - Assign node fields]]</u>' processing tool. However, it is not necessary for this Module 1 tutorial, because all the 1D SWMM inputs are embankment culverts all using the same loss parameters.
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