How is a DTM used in hydraulic engineering projects when working with QGIS?
closed as not a real question by underdark♦ Jan 9 '13 at 15:55
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QGIS using GRASS to do modelling of Hydrology and DTM's
GRASS GIS, commonly referred to as GRASS (Geographic Resources Analysis Support System), is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.