TUFLOW 1D Flood Modeller Connectivity: Difference between revisions
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Flood Modeller and TUFLOW will be considered linked if an ESTRY node in a 1D_nwk layer and a Flood Modeller node in a Read GIS ISIS Nodes or Read GIS ISIS Network layer are snapped together (see Figure 3). Ensure that the 2 nodes are snapped, or that a snap tolerance is being used. The ESTRY node should have a 1d_nwk Conn_1D_2D attribute of either "X1DH" or "X1DQ". If Conn_1D_2D field is blank then “X1DH” is assumed (see Figure 4). Note that the upstream and downstream inverts for the ESTRY node linked to Flood Modeller should be set to -99999 unless the node is also being used to set the inverts of channels snapped to it.
[[File:Estry Link.png|thumb|Border|none|400px|Figure 3-The ESTRY 1d_nwk node layer (in blue) snapped to a Flood Modeller node (in a
[[File:Estry Properties.png|thumb|Border|none|700px|Figure 4-1d_nwk_nodes attributes for the ESTRY node snapped to the Flood Modeller node.]]<br>
A connector "X" channel type can be used to connect the end of the linked ESTRY channel to the ESTRY node snapped to the Flood Modeller node if the end of the ESTRY channel and the snapped Flood Modeller /ESTRY nodes are not in the same location. In this case it is important that the X-connector is drawn from the ESTRY channel (ie, the first vertex on the polyline) to the ESTRY node which is snapped to the Flood Modeller node (see Figure 5). The Flood Modeller node label in the
[[File:X Connector.png|thumb|Border|none|700px|Figure 5-X-Connector connected the ESTRY channel DARL_OC_1 to the ESTRY Node DB_2436 which is snapped to the Flood Modeller node DB_2436. Note the direction of the X-Connector between the ESTRY channel and the ESTRY/Flood Modeller node location.]]
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