Quadtree and Sub-Grid Sampling FAQ: Difference between revisions

It is possible that without correct breaklines, SGS model allows a leak over a levee or embankment that model with smaller cell size does not. The more 2d_zsh max/ridges are used the better. A rough estimate of SGS testing has required twice the number of ridge lines compared to a traditional model. This also includes locations where there were no ridges previously. <u>[[ASC_to_ASC#Extract_Breaklines_from_DEM | Breakline feature]]</u> in asc_to_asc utility might be useful withfor creating additional breaklines.