grass gis

From Point to PointZ

Learn how to convert a 2D point vector to 3D using QGIS and GRASS GIS geoalgorithms. Step-by-step tutorial with practical examples and attached datasets.

symfi 3d gis dsm dtm

Online from

20 October 2019

Reading time

2 minutes

Visibility analysis

Learn how to perform a visibility analysis with QGIS and GRASS GIS to evaluate the visual impact or visual accessibility of an area. Insights into the role of DEM and key parameters.

viewshed geographicdisplay dem gis qgis

Online from

12 September 2019

Reading time

5 minutes

Create a raster and a vector of the elevation bands

Learn to create a raster and elevation vector in QGIS using GRASS GIS. Step by step guide with a DEM, altimetric reclassification and conversion to polygons.

nationalgeoportal raster vector gis dem

Online from

26 May 2017

Reading time

1 minute

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