[postgis-users] Line of sight (LOS) Calculation

[Rémi Cura]

Very cool solution !

Could you give a better estimate of run time?
(example of DEM resolution, time?)
Cheers,
Rémi-C

2015-03-09 9:45 GMT+01:00 Paolo Cavallini <cavallini at faunalia.it>:

> Il 09/03/2015 04:16, Mark Wynter ha scritto:
> > An example of how you can generate Viewsheds in PostGIS via PL/R and
> Grass using a single SQL query statement.
> >
> > CREATE OR REPLACE FUNCTION generate_viewshed(coordxy text) RETURNS text
> as
>
> Hi all.
> Please note that in GRASS7, recently released, r.los has been replaced
> by the (much more efficient) r.viewshed.
> All the best.
>
> --
> Paolo Cavallini - www.faunalia.eu
> QGIS & PostGIS courses: http://www.faunalia.eu/training.html
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