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).
(+some details: Kubuntu 64-bit on Intel Core2 Duo T9400 @2.53GHz) > > 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. Moritz L: > 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 ? Hmm... right, I am using latest 64-svn. My intention was to test all within latest trunk but I gave up after the heavy process broke. I'll probably spend more time on it after a month or so. Thanks, Nikos _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
