[Qgis-user] Using qgis with big data
Mark Coletti
mcoletti at gmail.com
Wed May 21 08:55:49 PDT 2014
Hi, again. I'm a veteran qgis developer from the ancient times come to
make a return. ;)
So I'm using qgis again, and this time with big data. I.e., I've currently
got a layer with about 14 million points. Does anyone else have experience
with qgis and big data? E.g., would performance improve if I were to
create a spatial database of some kind? On the other hand, though things
are slow, I have enough RAM that I can load all 14 million points twice
over. (I.e., I load it once in qgis and again in R.) I fear that relying
on a database would add some I/O overhead. On the other hand, using a
shapefile may already entail such overhead, and using a more intelligent
and spatially aware database may mitigate some performance issues.
Cheers,
Mark
--
mcoletti at gmail.com
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