Re: [Qgis-user] Extraction 3D vectors ridges/Thalweg from raster DEM ?

2013-12-12 Thread G. Allegri
For this kind of analysis toy should give a look to the algorithms provided through Processing. GRASS, SAGA and TauDEM have a lot of tools to do hydromorphological analysis. giovanni 2013/12/12 image > Dear all, > > From my Raster DEM, i would like extract Thalweg and Drainage divide > (ridges

[Qgis-user] Extraction 3D vectors ridges/Thalweg from raster DEM ?

2013-12-12 Thread image
Dear all, >From my Raster DEM, i would like extract Thalweg and Drainage divide (ridges) 's 3D vectors. According to you, is it possible to do that with qgis? In advance, Thank you. Regards. -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Extraction-3D-vectors-