QGIS TUFLOW Arch Bridge Editor: Difference between revisions
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:* A name must be provided for both the cross-section and bridge tables.
:* Numerous options are provided for creating/importing/editing/visualising the tables on the right-hand side of the cross-section table (these can be used for both tables). See <u>[[#Arch_Bridge_Table_Options | Arch Bridge Table Options]]</u> for more information.
:* The "General Data" tab contains other possible parameters for arch bridge modelling in TUFLOW (see relevant section of the <u>[https://docs.tuflow.com/classic-hpc/manual/latest/ TUFLOW Manual]</u> / 2022 Release Notes).
:* The "Settings" tab contains general settings
:* Any potential errors with the bridge attributes will be highlighted below the bridge table in red text (e.g. finish chainage is before the start chainage).
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===Bridge Curves===
Post-processed arch bridge curves can be imported to view alongside the plotted bridge data, or by themselves, by using "Bridge Curves > Import Bridge Curve From EOF". As the menu name suggests, the processed bridge inputs can be imported into the editor from the Estry Output File (EOF). This requires the pre-processing of the arch bridge data to have been completed by TUFLOW (this is done during the initialisation phase of a TUFLOW run and therefore does not require a TUFLOW simulation to have finished before checking).
'''Note:''' the EOF file is currently the only location that writes out information on bridge opening and blockage information (this information is not written to any other check file). The 1d_ta_tables check file does not report bridge opening area and only reports unobstructed area as it reports only on information from layers using <font color="blue"><tt>Read GIS Table Links </tt></font> <font color="red"><tt>==</tt></font><tt> <gis file></tt>.<Br>
[[File: arch_bridge_editor_bridge_curves.PNG]]<br>
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In all output options, the 1d_nwk attributes of the input layer and selected feature will be overwritten with the data from the bridge editor. The below options refer to the 1d_xs output. Any newly generated 1d_xs feature will be drawn as single line perpendicular to the arch bridge 1d_nwk polyline at the mid-point.<br>
The output location of the bridge geometry CSV can be changed on the "Settings" tab. Users can choose between two default locations or specify a custom location:
* <b>Same Location as 1d_nwk</b> - as the name suggests, this will save the CSV into the same folder location as the 1d_nwk layer containing the arch bridge.
* <b>CSV Folder</b> - Saves into a folder called 'CSV' in a location one level above the 1d_nwk layer containing the arch bridge (this folder will be created if it doesn't exist)
* <b>Custom Location</
The location of the output bridge geometry CSV can also be customised for individual bridges by using the 'Inlet_Type' attribute field in the arch bridge feature. This will take precedence over the settings above.
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