Difference between revisions of "QGIS SWMM Junctions Downstream Junctions to Outfalls"
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== Introduction == | == Introduction == | ||
This tool converts junctions on the downstream side of a network to outfall nodes as required by SWMM. An outfall layer with the converted nodes will be created along with a modified junction layer (outfall nodes removed). The contents of these layers needs to be copied into the appropriate layers in the SWMM GeoPackage.<br> | This tool converts junctions on the downstream side of a network to outfall nodes as required by SWMM. An outfall layer with the converted nodes will be created along with a modified junction layer (outfall nodes removed). The contents of these layers needs to be copied into the appropriate layers in the SWMM GeoPackage.<br> | ||
| − | '''Note:''' This tool relies on the | + | '''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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Revision as of 15:01, 3 January 2024
Introduction
This tool converts junctions on the downstream side of a network to outfall nodes as required by SWMM. An outfall layer with the converted nodes will be created along with a modified junction layer (outfall nodes removed). The contents of these layers needs to be copied into the appropriate layers in the SWMM GeoPackage.
Note: This tool relies on the 'From Node' and 'To Node' fields to determine position in the network. The Conduits - Assign node fields processing tool will ensure the 'From Node' and 'To Node' fields are correctly assigned.
Usage
This tool, Junctions - Downstream junctions to outfalls, can be found in the QGIS processing toolbox panel under 'TUFLOW > SWMM'. To open the Processing Toolbox Panel, navigate to 'Processing' in the menubar and select 'Toolbox'.
Parameters
- Input junctions: The existing junctions layer to be converted. To only convert some of the junctions, tick on 'Selected features only'. The tool will only convert the junctions which have been selected.
- Input conduits: The conduits layer to which the junctions and outfalls are connected.
- Modified junctions layer: Determines the location and filename of the modified junctions layer (outfall nodes removed). Details on the options are below.
- New outfalls layer: Determines the location and filename of the new outfalls and junctions layers.
Example
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