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What is DTM in hydraulic projects? and what is application area of QGIS ?

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closed as not a real question by underdark Jan 9 '13 at 15:55

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

DTM this can have more than one answer in this case it would be Digital Terrain Model. – Mapperz Dec 10 '12 at 14:41
up vote 1 down vote accepted

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.


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