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Schuyler Erie and Rich Gibson talking about GRASS.

• OSCON 2004 Presentation, "Introduction to GRASS"

GRASS is hard to use, instead you should use Qt-based GIS (qgis) unless you really need the power of a real GIS system. It's a collection command line tools, equivalent to the commercial offerings costing thousands of dollars. But it's hard to use, I think they mentioned that before...



GRASS georectifying a digital elevation model and a population map
GRASS is just UNIX. The GRASS commands extends the UNIX tools philiosphy; they have man pages, you can pipe the output between commands, and have all the UNIX goodness you'd expect. Apparently the useability isn't that much worse that the commercial systems, although according to Gemma that probably isn't saying much...