Tutorial M02 001 GIS Inputs QGIS GPKG: Difference between revisions
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Within the QGIS Browser Panel, navigate to the '''Module_02\Tutorial_Data''' folder. Drag and drop the following layers into the '''Module_02\TUFLOW\model\gis\M02_001.gpkg''':
:*'''2d_zsh_M02_rd_crest_001_L'''
:*'''2d_zsh_M02_rd_crest_001_P'''
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<li>The 2d_zsh point layer is used to apply elevation to the breaklines:
:*The values in the 'Z' attribute are elevations above datum assigned to each point. The elevations are being interpolated along the breakline.
:*The points must be snapped to the vertices of the 2d_zsh line to instruct TUFLOW that these layers are linked. If no points are in the layer, the elevation on the line object is used, i.e. the elevation along the line does not vary. For more information,
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{{Video|name=Animation_M02_GPKG_GIS_001_02a.mp4|width=1279}}<br>
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<font color="orange"><tt>%asc_to_asc% </tt></font> <font color="black"><tt>-brkline "M02_Breaklines.gpkg >> 2d_zsh_breaklines_L" ..\TUFLOW\model\grid\DEM.tif</tt></font> <br>
<li>Save the batch file and double click it in file explorer to run the utility.
<li>The utility creates a new '''M02_Breaklines_brkline.gpkg''' that contains a points layer and updates the lines layer. These layers can be copied into '''Module_02\TUFLOW\model\gis\M02_001.gpkg''' and read into the TGC.
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