Tutorial M10 003 GIS Inputs QGIS: Difference between revisions
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<li>The 2d_bc layer uses SX type connection to link 1D elements into the 2D domain. It removes water out of the upstream cell(s) and deposits water back at the downstream cell(s). The line SX links need a CN (connection) line snapped from the upstream and downstream vertex of the 1D network line to the SX boundary.
<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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[[File:Animation M10 003 GIS 03i.gif]]<br>
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