[GRASS-dev] About v.distance, v.what.vect (wrt "count points within...").

[Moritz Lennert]

On 07/08/10 08:33, Nikos Alexandris wrote:
> "v.distance" is slow (for the impatient user) with very large vectors (from my
> memory I estimate that it took ~20h for ~600.000 features). Trying to get the
> "dmax=" first in order to tell "v.distance" to look for features within a
> certain radius, might _not_ be very efficient as well. It takes time to get
> results from "v.distance -pa" and, depending on the vector(s), the addition of
> the _real_ v.distance can be a deal-breaker.

Just an innocent question (partly directed to Markus M): could this be 
linked to the spatial index ? And is v.distance faster with spatial 
index on file in grass7 ?

Which version are you using ?

Moritz