[GRASS-user] r.watershed error

[Rich Shepard]

On Sat, 22 May 2010, Kurt Springs wrote:

> ERROR: G_malloc: unable to allocate 18446744070980740804 bytes at ...
                                       ^^^^^^^^^^^^^^^^^^^^
> Any idea what I'm doing wrong?

Kurt,

   Look at the amount of memory your file wants to be allocated: several
Petabytes. How much area is covered by that DEM and at what resolution? Even
with GRASS compiled for large file support your file is _way_ too large.

Rich