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FM Tutorial M01 QGIS GPKG x1D Nodes: Difference between revisions

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<li> Move the GIS layer <b>1d_x1d_FMT_M01_nodes_001_P.gpkg</b> into the project GeoPackage file <b>M02_5m_002.gpkg</b> in the Browser Panel. </li>
<li>Reload the layer <b>1d_x1d_FMT_M01_nodes_001_P</b> in QGIS from <b>M02_5m_002.gpkg</b>.</li>
<li> Open the attribute table. This layer only has a single attribute correlating to the unique nameNode ID of a RIVER, INTERPOLATE or REPLICATE unit within the Flood Modeller model. Note that the nodeNode IDs are case-sensitive as this is a requirement of Flood Modeller. At junctions, both the upstream and downstream nodes must be digitised within this layer. It is often helpful to label the Node IDs.</li>
 
<br>{{Video|name= Define External 1D Networks GPKG v2.mp4 |width=1123}}<br>
 
 
<br>In recent versions of Flood Modeller, it is possible to export the nodes to a TUFLOW Shapefile using the Export->Nodes as TUFLOW Shapefile tool. This can then be imported into the Geopackage file format as the 1d_X1D layer. It should however be noted that the model should be correctly georeferenced within Flood Modeller which isn't always the case. The georeferencing of a model network can be a time-consuming process and should be considered at the project outset.<br>
<br>You have now created the GIS layer representing the Flood Modeller nodes for reading into TUFLOW. Return to the [[Flood_Modeller_Tutorial_Module01_Provisional#Define_the_1D/2D_Boundary Links|Flood Modeller Tutorial Model]].<br>
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