[gdal-dev] NetCDF: North is left

[mick howe]

I have run into that issue many times when using surveyor's data, seems the
profession is yet to come to terms with the concept of north = up, east =
right, south = down, west = left

mick in glen innes

On Mon, 18 Mar 2019 at 16:50, Markus Metz <markus.metz.giswork at gmail.com>
wrote:

> I have a NetCDF file with
>
> Size is 1800, 3600
> Coordinate System is `'
> Origin = (89.999996946545821,179.999996947394237)
> Pixel Size = (-0.099999996607273,-0.099999998304108)
> Metadata:
>   Latitude#long_name=Latitude
>   Latitude#units=degrees_north
>   Latitude#_CoordinateAxisType=Lat
>   Longitude#long_name=Longitude
>   Longitude#units=degrees_east
>   Longitude#_CoordinateAxisType=Lon
> ...
> Geolocation:
>   LINE_OFFSET=0
>   LINE_STEP=1
>   PIXEL_OFFSET=0
>   PIXEL_STEP=1
>   SRS=GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS
> 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]
>   X_BAND=1
>
> X_DATASET=NETCDF:"LPRM-AMSR2_L3_DS_A_SOILM3_V001_20190301000851.nc4":Longitude
>   Y_BAND=1
>
> Y_DATASET=NETCDF:"LPRM-AMSR2_L3_DS_A_SOILM3_V001_20190301000851.nc4":Latitude
> Corner Coordinates:
> Upper Left  (      90.000,     180.000)
> Lower Left  (      90.000,    -180.000)
> Upper Right (     -90.000,     180.000)
> Lower Right (     -90.000,    -180.000)
> Center      (  -0.0000000,  -0.0000000)
>
> -> apparently north is left and east is up
> Is there any way to rotate this subdataset with GDAL tools? gdalwarp
> -s_srs EPSG:4326 -t_srs EPSG:4326 does not work.
>
> Do I have to add GCPs with gdal_translate?
>
> Thanks for any hint!
>
> The problem file is here:
>
> https://hydro1.gesdisc.eosdis.nasa.gov/data/WAOB/LPRM_AMSR2_DS_A_SOILM3.001/2019/03/LPRM-AMSR2_L3_DS_A_SOILM3_V001_20190301000851.nc4
>
> Markus M
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