[GRASS-user] v.overlay: An Observation About Time

[Hamish]

Rich wrote:
>   I have a map of water bodies
> for the entire state. Yesterday, when I
> re-imported it (correctly), it took about 3 hours to
> complete; most of the
> time was waiting for it to 'break boundaries'.

fyi this is the classic "Florida Coastline" problem.
to work around it, after it is in grass you can use the v.split
command on it, after that it will be faster. (if may is really
huge it may still take some time..)
see the mailing list archives.


Hamish