Tutorial M10 003 GIS Inputs QGIS GPKG: Difference between revisions
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= Introduction =
QGIS is used to create, import and view input data.<br>
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Setup the GeoPackage Database:
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<li>Navigate to the '''Module_10\TUFLOW\model\gis''' folder. Save a copy of '''
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Within the QGIS Browser Panel, navigate to the '''Module_10\Tutorial_Data''' folder. Drag and drop the following layers into the '''M10_003.gpkg''':
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:*Within the QGIS Browser Panel, navigate to '''M10_003.gpkg''' and double click the layers, or
:*In File Explorer, drag and drop the '''M10_003.gpkg''' into the QGIS workspace and select the layers (hold Ctrl to select multiple).
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<li>The '''1d_nwk_M10_piping_003_L''' layer represents piping through the dam wall:
:*ID = Unique Channel ID.
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:*Height_or_WF = Height of the piping orifice when fully breached.<br>
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{{Video|name=Animation_M10_GPKG_003_GIS_01.mp4|width=1223}}<br>
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<li>The '''1d_nwk_M10_dambreak_003_L''' layer represents a 1D operational channel to model dam break in 1D:
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:*Width_or_Dia = Top width of the dam failure channel.
:*Height_or_WF = Weir coefficient Cd of the intact part.<br>
See Section
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{{Video|name=Animation_M10_GPKG_003_GIS_02.mp4|width=1223}}<br>
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<li>It is recommended to have a grd_check file from a previous run (with the same model cell size) turned on when digitising SX lines as the number of cells selected must correspond to the dimensions of the 1D structure. In this module, the 'Top Width Fully Breached' specified in the TOC is 25m, therefore 5 cells are selected:<br>
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{{Video|name=Animation_M10_GPKG_003_GIS_03.mp4|width=1223}}<br>
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