1
vote
0answers
31 views

How to assign lat/lon points to raster?

I'm trying to work in PostGIS with the tri.txt raster found on this website: http://diegopuga.org/data/rugged/that The raster has no SRID specified, but I know it's made up of 30 arc-second cells ...
0
votes
0answers
29 views

Find correct SRID

I'm learning PostGIS raster, and importing GeoTiff with raster2pgsql. This command line tool states: -s <srid> Set the raster's SRID. Defaults to 0. If SRID not provided or is 0, ...
3
votes
1answer
558 views

PostGIS 2.0 ST_Transform with Rasters cannot find custom SRID

I'm trying to calculate an average value in a buffer around a point. Given a raster in EPSG 4326 and a similar point, this is fine, except that the values will be skewed as they are not projected in ...