[postgis-users] multipoints to raster

[Rémi Cura]

Hey,
maybe using straight conversion :
http://postgis.refractions.net/docs/RT_ST_AsRaster.html

I don't know about the Z attribute.
If it doesn't work with point, maybe bufferize it.

Cheers,

Rémi-C


2013/10/9 Radan Šuba <nadarabus at gmail.com>

> Hi all,
>
> I want to create raster from multipoints geometry where value of pixels is
> Z value of points. I want to do everything in the database. Is there any
> simple query for that?
> So far, I have found the quite complicated way: First create a empty
> raster with ST_MakeEmptyRaster, secondly ST_AddBand and at the end
> ST_SetValues which is new functions release recently (PostGIS version 2.1).
> I am wondering how have these conversion been done until now?
>
> Thank for any answer
> Radan
>
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