Re: [postgis-users] Using Postgis raster for water elevation

2015-05-27 Thread Pierre Racine
sion > Subject: Re: [postgis-users] Using Postgis raster for water elevation > > Hey, > > > Map Algebra? > > (custom function with a thresholding?) > > > > Cheers, > > Rémi-C > > > 2015-05-27 14:57 GMT+02:00 Gabriel Vatin : > > >

Re: [postgis-users] Using Postgis raster for water elevation

2015-05-27 Thread Rémi Cura
Hey, Map Algebra? (custom function with a thresholding?) Cheers, Rémi-C 2015-05-27 14:57 GMT+02:00 Gabriel Vatin : > Hello all, > > I'd like to have some feedbacks on an operation that should be possible > with Postgis raster, but I can't find out how to do this. > I have a whole raster of Fre

[postgis-users] Using Postgis raster for water elevation

2015-05-27 Thread Gabriel Vatin
Hello all, I'd like to have some feedbacks on an operation that should be possible with Postgis raster, but I can't find out how to do this. I have a whole raster of French DEM (elevation data) stored on PostGis, with tiled objects. That makes a table with some 14.000 rows of data: france_mnt