QGIS SWMM Conduits Assign Losses: Difference between revisions
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== Introduction ==
This tool creates loss geometry and attributes for a SWMM conduit layer. Losses are dependent upon whether a conduit is the furthest upstream, furthest downstream, and which nodes are connected to inlets. Upstream entrance losses are assigned to the furthest upstream channels where the upstream node is <u>not</u> connected to an inlet and other entrance losses assigned to all other conduits (may be 0.0). Downstream exit losses are assigned to the furthest downstream channels where the downstream node is <u>not</u> connected to an inlet and other exit losses are assigned to the rest of the channels (may be 0.0). This tool creates entrance and exit losses specified by the user throughout the domain. Channels that experience atypical size changes may need higher or lower loss coefficients.<br>
This tool supports in-place editing if selected in the QGIS processing window.<br><br>
'''Note:''' This tool relies on the "From Node" and "To Node" fields to determine position in the network. The <u>[[QGIS SWMM Conduits Assign Node Fields|Conduits - Assign node fields]]</u> processing tool will ensure the "From Node" and "To Node" fields are correctly assigned.
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