[GRASS-user] Clipping Very Large Vector Map

[Juan Carlos Torrrs]

try using v.select.



Rich Shepard <rshepard en appl-ecosys.com> escribió:

>I have a map of streams and rivers that is about 474M for the coor file
>and 65M for the topo file; very large. The area of interest is very
>much
>smaller and I tried using v.overlay with the 'and' (intersect) operator
>to
>clip the huge line map with the small area map. After about 1/2-hour of
>processing the system shut down because the CPU overheated (at it's
>only 20C
>here today).
>
>Are there other modules, or ways of using v.overlay, that will allow me
>to
>trim off smaller chunks of the line file?
>
>TIA,
>
>Rich
>
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