[Qgis-user] alternatives to join attributes

[David Fawcett]

Have you thought about loading the data into PostGIS?  You would load
the data into the db and then be able to query and display only the
data that you want at any time.

David.

On Thu, Dec 17, 2009 at 8:46 AM, Carbonari, Katie (IS)
<Katie.Carbonari at ngc.com> wrote:
> Good morning. I have a lot of data I need to visualize in QGIS (142 time
> steps, each with over 200,000 points). I need a way to quickly and easily
> load this data in QGIS. All of my data is in separate .csv files (one file
> per time step). I load each file via the csv plug-in and then use join
> attributes to connect my csv data to the polygon data that defines my grid.
> Join attributes takes forever (trying to do 4,000 points took an hour). Any
> one know of any other, faster way to do this? Or a way to speed up my join
> attributes? I know 200,000 points is a lot to ask and can easily cut that
> down a bit, but an hour to do 4000 points seems very slow. At that rate, it
> would take 3 weeks to load the entire time series into QGIS. I'm running the
> latest version of QGIS (Mimas) on a Mac OsX.
>
> Thanks,
> Katie
>
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