[postgis-devel] [WKT Raster] ST_SetValue

[George Silva]

Hello guys,

Actually I haven't thought about setting values for pixels intersecting
geometries. It is a nice idea.

My need is to set pixel by pixel and I'll be trying the new build right now.

George

On Tue, Jul 27, 2010 at 1:33 PM, Paragon Corporation <lr at pcorp.us> wrote:

> Pierre,
>
> We haven't had a chance to test ST_SetValue, but its on our todo.
>
> By the way -- the latest windows builds with it are up on the experimental
> for those who want to try it.
>
> http://www.postgis.org/download/windows/experimental.php
>
> Based on your naming, it sounds like the geometry value for the geometry
> version, only takes a point.
>
> We were thinking it would be really nice if it could take any kind of
> geometry and color in any pixel that intersects the geometry.
>
> That way you can do things like make statistical maps right in PostGIS like
> a heatmap.  Not sure if that was along the lines of what George was
> thinking
> as well.
>
> I know it then doesn't quite follow the ST_Value pattern, but I think for
> this case, its understandable to do it that way.
>
> Just a thought and maybe you thought of it already.
>
> Thanks,
> Regina and Leo
> http://www.postgis.us
>
>
>
>
>
> _______________________________________________
> postgis-devel mailing list
> postgis-devel at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-devel
>



-- 
George R. C. Silva

Desenvolvimento em GIS
http://blog.geoprocessamento.net
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/postgis-devel/attachments/20100727/01d13c2e/attachment.html>