Tag Archives: raster

Calculating the raster cell area of an unprojected raster layer

Posted on December 17, 2012 by

What if you get a raster layer with number of people per raster cell, like for example the population layer from Afripop,  and you want to convert it to a population density layer? Well, obviously, you need to divide the … Continue reading →

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Importing global rasters in GRASS gives me ‘illegal latitude for North’ message

Posted on May 10, 2011 by

Importing data layers with a global coverage in GRASS GIS might in some cases result in the error message “G_set_window(): Illegal latitude for North”. For example, I got the message while trying to import the GlobCover 2009 (version 2.3).

Posted in Data handling, GIS, GIS software, GRASS GIS | Tagged , , , , , | 1 Comment