[gdal-dev] convert NETCDF to Geotiff upside down

[Marius Jigmond]

The following works for the proper orientation but there's a shift. I would consult the documentation as they usually specify conversion params.

gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -179.9 -72.7 180 72.7 -co COMPRESS=LZW NETCDF:GLOBCOMPLIR_nc.2023080819:data ofn.tif
________________________________
From: gdal-dev <gdal-dev-bounces at lists.osgeo.org> on behalf of Dori <izzybitsie at gmail.com>
Sent: Wednesday, August 9, 2023 2:29 PM
To: gdal-dev at lists.osgeo.org <gdal-dev at lists.osgeo.org>
Subject: [gdal-dev] convert NETCDF to Geotiff upside down

Hi,
I tried to convert the NETCDF stored in https://noaa-gmgsi-pds.s3.amazonaws.com/index.html#GMGSI_LW/202308/08/19/GLOBCOMPLIR_nc.2023080819  to Geotiff format using following command:

gdal_translate 0ol GTiff -a_srs EPSG:4326 -aullr -180 -72.7 179.9 -72.7 -co “COMPRESS=LZW” NETCDF:GLOBCOMPLIR_nc.2023080819:data ofn.tif

ofn.tif is upside down.  North latitude points are in South and viceversa.

How can I solve this upside down output?
What causes this?

I did notice that the points in the NETCDF file are not equidistant  what could be my issue.

Thank you for any hint on how to go about getting the correct Geotiff output

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