XPSWMM to TUFLOW-SWMM: Difference between revisions
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In addition to the pipe network inlet usage 1D/2D connections, we also need to connect the 1D culvert inlet/outlets to the 2D. These features are typically associated with culverts located under raised roads or rail embankments, outlets from pipe networks into creeks, streams, or rivers, or open pipe network inlets and outlets linked to major stormwater drainage infrastructure, which often involves the modification of historically above-ground streamflows to an underground stormwater network. An example is shown in the image below.<br>
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In order to connect a 1D SWMM culvert to TUFLOW 2D, TUFLOW SWMM necessitates 1D/2D HX connection lines at the upstream (inlet) end of the culvert and 1D/2D SX connection lines at the downstream (outlet) end. This model schematization differs from that of the TUFLOW ESTRY and XPSWMM, which require 1D/2D SX connections both upstream and downstream, but aligns with the traditional requirements of EPA SWMM.
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[[File: 1D2D_Connections_Diagram.png | 300px]]
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In the <u>[[#Convert_XPSWMM_Model_to_Recommended_TUFLOW_Structure | Convert XPSWMM Model to Recommended TUFLOW Structure]]</u> section, the XPSWMM 1D/2D connections were converted into TUFLOW format. This layer needs to be updated to work for TUFLOW SWMM.
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<li> In the QGIS Layers panel, within the TBC group, select (left click) the 2d_bc lines layer (i.e. '''1D2D_Urban_001_2d_bc_L''') and toggle on editing. This layer contains the converted XPSWMM 1D/2D connections.
<li> In the top dropdown menu options, select View > Toolbars. Tick on 'Snapping Toolbar'.
<li> Select the 'Enable Snapping' [[File: snapping_icon.png]] and 'All Layers > Advanced Configuration', an eye icon appears.
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[[File: snapping_toolbar_dropdown_menu.png | 500px]]
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<li> Select the 'Edit Advanced Configuration' [[File: Advanced_config_icon.png | 30px]] and tick on the 2d_bc lines layer and the '''Links--Conduits''' layer.
<li> From the 'Digitizing Toolbar', use the 'Add Line Feature' tool and the 'Vertex Tool' to edit the 2d_bc lines layer.
<li> The video below demonstrates this process.
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{{Video|name=|width=1350}}
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