Tutorial M04 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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= Method =
Set up the GeoPackage Database:
Navigate to the '''Module_04\Tutorial_Data''' folder. Copy and save all the below layers into the '''Module_04\TUFLOW\model\gis''' folder: <br>▼
<ol>
:*2d_lfcsh_M04_bridge_001_L▼
<li>Navigate to the '''Module_04\TUFLOW\model\gis''' folder. Save a copy of '''M02_001.gpkg''' as '''M04_001.gpkg'''.
:*2d_po_M04_001_L▼
<li>Within the QGIS Browser Panel, right click on 'Favorites' and select 'Add a Directory...'.
:*2d_po_M04_001_P▼
<li>Navigate to the '''Module_04''' folder and select it.
:*2d_zsh_M02_cut_002_R▼
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▲:*'''2d_lfcsh_M04_bridge_001_L'''
▲:*'''2d_po_M04_001_L'''
▲:*'''2d_po_M04_001_P'''
▲:*'''2d_zsh_M02_cut_002_R'''
Investigate the supplied files:
<ol>
<li>Open the files, either: <br>
:*Within the QGIS Browser Panel, navigate to '''M04_001.gpkg''' and double click the layers, or
:*In File Explorer, drag and drop the '''M04_001.gpkg''' into the QGIS workspace and select the layers (hold Ctrl to select multiple).
<li>Use the ‘Apply TUFLOW Styles to Open Layers’.
<li>The 2d_zsh file cuts through the road embankment, see <u>[[Tutorial_M02 | Module 2]]</u> for more information.<br>
<li>The 2d_lfcsh represents the bridge in 2D, it has layers of varying blockage and form loss for piers, bridge deck and railings. The layers of the bridge structure are defined as:<br>
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:*Layer 3: The bridge rails.
:*Layer 4: Flow above the rails (assumed to be unimpeded).
<br>
{{Video|name=Animation_M04_GPKG_GIS_01.mp4|width=1232}}<br>
<br>
<li>The 2d_po files include a structure group output for the 2D bridge. The 'Label' attribute links the 2d_po line to the 2d_po points by the same attribute ‘Bridge’.
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:*Label = Bridge
<br>
{{Video|name=Animation_M04_GPKG_GIS_02.mp4|width=1232}}<br>
</ol>
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