[postgis-users] ST_SetValue takes too much time..
Sandro Santilli
strk at keybit.net
Mon Feb 20 07:58:17 PST 2012
On Mon, Feb 20, 2012 at 04:50:17PM +0100, daniel spiering wrote:
> UPDATE target_tbl SET rast = ST_SetValue(rast, 1, COL, ROW, CLIMATE_VALUE)
> WHERE EXTRACT(DOY FROM datum) = CURRENT_DAY;
>
> The problem is that updating each cell, using the ST_SetValue-function
...
> Is there any other way to create rasters from the original data than
> updating an empty raster cell by cell?
Hi Daniel, I had a similar requirement a few weeks ago, see:
http://postgis.refractions.net/pipermail/postgis-devel/2012-February/018033.html
--strk;
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