Hi,
I imported the Global Land Cover Characteristics database v2.0, but cannot get it to have a latlon projection. By using the Force Lat/Lon maps to fit into geographic coordinates option, I keep getting the error: The '-l' flag only works in Lat/Lon locations.
I tried it without this option and I imported the dataset but with the XY location (unprojected) map projection. I would like to convert the xy location projection to latlon. Ive tried using the r.proj command, but it assumes that I already have a raster map with the latlon projection available. I also tried to do it through the Settings tab of the GUI, but wasnt successful. Any help would be appreciated. Thanks.
regards,
Darren
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Darren Slevin
Postgraduate Research Student
The University of Edinburgh
Grant Institute
The King's Buildings
West Mains Road
Edinburgh
EH9 3JW
--
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.
I imported the Global Land Cover Characteristics database
v2.0, but cannot get it to have a latlon projection. By
using the Force Lat/Lon maps to fit into geographic
coordinates option, I keep getting the error: The '-l' flag
only works in Lat/Lon locations.
I tried it without this option and I imported the dataset
but with the XY location (unprojected) map projection. I
would like to convert the xy location projection to latlon.
Ive tried using the r.proj command, but it assumes that I
already have a raster map with the latlon projection
available. I also tried to do it through the Settings tab of
the GUI, but wasnt successful. Any help would be
appreciated. Thanks.
it is better to create a new lat/lon Location than to try and
convert a simple xy Location into a lat/lon one by hand. all
maps within a single Location will share the same map projection.
You can't mix and match (lat/lon uses a radial coordinate system;
simple xy uses a Cartesian one). after importing into a lat/lon
Location (with '-l') be sure to double check map bounds with
r.info, and fix with r.region if needed.