[GRASS5] [bug #3014] (grass) v.hull: work for all vectors, not just points

this bug's URL: http://intevation.de/rt/webrt?serial_num=3014
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Subject: v.hull: work for all vectors, not just points

v.hull only works when the input map contains points. It would be nice if you
could draw a polygon around the outer extent of vector lines or a series of
small polygons without having to run v.to.points first.

thanks,
Hamish

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