TUFLOW Remapping: Difference between revisions

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'''Figure 3 Water depth simulation results with SGS. Lefe: 2.5/5/10/20m Quadtree model. Right: 10/20m Quadtree model.'''<br><br>
 
In TUFLOW, the depth output is interpolated from the nearest cell centre and cell corners surrounding the output grid. The interpolated depth may not perfectly represent the actual depth, since TUFLOW doesn't store the under laying DEM value at the moment. <br>
map output need to "remap" the water level in large Quadtree cells to a DEM with much finer resolution. While we are developing high resolution SGS output in the future release, we have also added a new functionality in the [[ASC_to_ASC|ASC_to_ASC]] utility to remap a water level grid to a finer DEM grid. This page introduce how to use the ASC_to_ASC remap function, and also discuss the limitation of the method.