[GRASS-user] Using r.buffer on image with geographic coordinates

Markus Neteler neteler at osgeo.org
Mon Feb 13 10:24:45 EST 2012

On Fri, Mar 25, 2011 at 2:42 PM, Ned Horning <horning at amnh.org> wrote:
> Hi - I am trying to create buffers for large (~1GB) line and polygon vector
> files. I tried v.buffer but after letting it run overnight with no apparent
> progress I killed the process. I'm not aware of any software capable of
> buffering large vector files on a modest computer so that wasn't a big
> surprise. I then converted the vector to a large (23GB) raster file and am
> now trying r.buffer. I ran some tests on small images but can't figure out
> how the distance parameter works when an image has latitude/longitude
> coordinates.

For the record, Markus Metz fixed r.buffer in GRAS 7 for latlong


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