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 <cavall...@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 > _______________________________________________ > postgis-users mailing list > postgis-users@lists.osgeo.org > http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users >
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