Hi Damian,
On Wed, Mar 19, 2014 at 1:47 PM, Damian Maddalena <[email protected] > wrote: > I am having some difficulty with the import of a netCDF dataset into GRASS > 7. The dataset I am attempting to import is a 30 second global LAI dataset > that can be found here: http://globalchange.bnu.edu.cn/research/lai/ > > I have successfully imported other netCDF files into this build (worldCLIM > and the soils data from the same source as this LAI data, for example), but > this particular data is giving me issues. I have tried several files from > several of the years available of the global LAI product. I get the same > results. > > I am running the following commands in a global lat/lon location: > > g.region n=90 s=-90 e=-180 w=180 res=0.008333333767951 (I have also tried > res=00:00:30.) > r.in.gdal does not respect region > r.in.gdal input=NETCDF:"global_30s_2009_153.nc":lai output=testNETCDF -o > > The file imports with some warnings. > > Warning 1: No UNIDATA NC_GLOBAL:Conventions attribute > WARNING: Over-riding projection check > WARNING: Fixing subtle input data rounding error of south boundary > (-9.38773e-06>4.62963e-08) > > It appears to be null when plotted, though r.info reports min of 0 and > max of 70. r.info hints at an issue with the e-w resolution: > > | N: 90N S: 90S Res: 0:00:30 > | E: 179:59:59.932408W W: 180W Res: 0:00:00.000002 > > r.stats seems to indicate that all data is null? > > r.stats testNETCDF -cp > 100% > * 900072000 100.00% > > d.histogram plots nothing. > > Any hints would be greatly appreciated. > I wanted to try it myself, but it's too big to download it now. Could you post output of: gdalinfo NETCDF:"global_30s_2009_153.nc":lai I am not an expert on netcdf but others might have some idea based on the gdalinfo output. Regards, Anna > Thanks!! > > -Damian > > > > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user >
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