[postgis-users] Why so terribly slow?

DavidRA theboss777 at gmail.com
Fri Feb 10 09:13:59 PST 2012

Several test later, I'm sure that ST_MapAlgebraExpr() suits me perfectly.
Besides it's very easy to use.

It's slower than using the equivalent function on a GIS tool like GRASS but
I think that could be expected, isn't it? Though I'm curious about the

Thanks again for this and for the tips on the weighted average.

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