[GRASS-user] how to make a grid with my DEM

Nick Jachowski njachowski at gmail.com
Sun Feb 12 04:06:34 EST 2012

Hi Janet,
Do you mean you want to create contour lines at 30m intervals? If so,
r.contour would do the trick.

On Sat, Feb 11, 2012 at 1:56 AM, Janet Choate <jsc.eco at gmail.com> wrote:

> Hi all,
> i want to simply divide my DEM into 30m grid cells - does anyone know how
> to do this?
> i have previously used r.clump on a 30m DEM to create unique spatial units.
> however, since r.clump finds all areas of contiguous cell category values
> and groups them to form physically discrete areas, i end up with some
> spatial areas that may be larger than 30m.
> any help is very much appreciated!
> thank you,
> Janet
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