Hi, El sáb., 23 jun. 2018 4:35, Markus Metz <markus.metz.gisw...@gmail.com> escribió:
> > > On Fri, Jun 22, 2018 at 10:34 PM, Veronica Andreo <veroand...@gmail.com> > wrote: > > > > Hi Gabriel, > > > > What you could do is import with r.in.gdal -a that adjusts resolution > for lat long maps [0] > > that will help to fix the resolution from 0.008333333300000 to > 0.008333333333333, i.e. exactly 30 arc-seconds. The software used to create > the raster data has stored the resolution with limited precision. > Right, I overlooked this > and then (before the intercalibration step), set the region to one of the > imported maps with g.region raster=yourmap > > you will then get a message like > 360 degree EW extent is exceeded by 1 cells > > which is correct because the first and last column are duplicates. The > cell centers cover -180, 180, and the EW extents regarding cell borders are > E: 180:00:15E, W: 180:00:15W, grown by half a cell, i.e. 15 arc-seconds. > So, solution is to just use the data with the extra 15 arc-seconds in each side? Of I want data to fit 180/-180, would r.region mymap e=180 w=180 help or will it change the data? Vero
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