Ciao Markus! Thanks for your answer, On Wed, Aug 10, 2016 at 8:00 PM, Markus Neteler <[email protected]> wrote:
> Hi > > On Aug 10, 2016 4:34 PM, "Margherita Di Leo" <[email protected]> wrote: > > > > ERROR: Illegal latitude for North > > Which projection are you using? > I suspect latlong? > yes, correct. > > How should I calculate my overlap and my tiles in order to avoid this > problem? > > Please let us know more.. Perhaps also the command with parameters. > The data source I'm using is GMTED 2010 at 30 arc second spatial resolution, global coverage --> created VRT --> linked via r.external --> set g.region rast=<the whole mosaic> g.region rast=bln300_mosaic -ap projection: 3 (Latitude-Longitude) zone: 0 datum: wgs84 ellipsoid: wgs84 north: 89:59:59.5N south: 70:00:00.5S west: 179:59:59.5E east: 179:59:59.5E nsres: 0:00:30 ewres: 0:00:30 rows: 19200 cols: 43200 cells: 829440000 I wanted to try create 6 large tiles as a first tentative, to see how r.tile works. Then i calculate them like this: rows: 19200 / 2 = 9600 cols: 43200 / 3 = 14400 r.tile input=bln300_mosaic output=tiled width=14400 height=9600 overlap=4 --v ERROR: Illegal latitude for North hm.. -- Margherita Di Leo
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