Tutorial M11 002 GIS Inputs QGIS GPKG: Difference between revisions
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<li>The 1d_nwk weir layer represents a weir for flow over the bridge in 1D at the downstream road crossing. Type attribute 'W' is specified, the weir is based on the broad crested weir formula: <br>
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{{Video|name=Animation_M11_002_GIS_06a.mp4|width=1238}}<br>
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<li>Use the TUFLOW Viewer to view the 'HW' (height vs width) cross section of the bridges and 'XZ' (distance vs elevation) cross section of the weir. <br>
Note: If a 1d_xs line has only two nodes, it must intersect with the 1d_nwk it provides information for. If a line has more than two nodes, it must be snapped to the 1d_nwk. The tutorial shows both. <br>
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{{Video|name=Animation_M11_002_GIS_07a.mp4|width=1238}}<br>
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<li>Click 'OK' and turn off editing to save the edits.<br>
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<li>Click 'OK' and turn off editing to save the edits.<br>
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<li>Click 'OK' and turn off editing to save the edits.<br>
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<li>Water from 1D does not transition to 2D at this location anymore, delete the two HX lines intersecting the open channel. The water at the 1D channel node is transferred to the banks by the CN lines, all four CN lines remain:<br>
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<li>Create new HX lines connecting the current HX lines on the banks of the open channel:
<li>Click 'OK' and turn off editing to save the edits.<br>
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