Quadtree and Sub-Grid Sampling FAQ: Difference between revisions
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Remap function that is part of the asc_to_asc utility can be used to post-process the result grids to a finer resolution DEM. See <u>[[TUFLOW_Remapping | TUFLOW Remapping]]</u>.
=Why shouldn't I use gully lines with SGS models?=
If the DEM is fine enough, SGS can preserve the gully along the cells without using any gully line. In such case using a gully line may overestimate the width of the flow path as it makes the entire cell and face flat.
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