Hi Martin, Thanks for the detailed report ! Indeed there is a bug, external ancillary data can not be applied to OLCI due to the NetCDF library returning masked arrays. This can be fixed with the following patch : diff --git a/polymer/level1_olci.py b/polymer/level1_olci.py index 10a4a63..55787d6 10...

Dear Federica, Indeed these bands are not included by default. To include band 842, pass the following argument to run_atm_corr : run_atm_corr(..., bands_rw=[443,490,560,665,705,740,783,842,865, 1610, ]) I will make it default in the next polymer release. You could do the same for the other bands, b...

By downloading Polymer you agree to the licence terms and conditions . In this version : OLCI SVC coefficients have been updated Support for ERA5 ancillary data has been added Support for VIIRS/JPSS1 has been added Fixed bugs in landsat8 and HICO readers See more details in the changelog . Don't hes...

Dear Karthick,

Indeed, all Level1 readers support the following keywords: sline, eline, scol and ecol.

Example: Cheers,
François

Ok, great to see this is solved.
For your last error message, I guess you forgot to compile the program

Hi Laura, I have similar lines in my .bashrc. However in my case, PROJ_LIB points to the anaconda directory: % env | grep PROJ PROJ_LIB=/home/applis/anaconda/envs/py3v19.04/share/proj _CONDA_SET_PROJ_LIB=/home/applis/seadas/v7.5.3/ocssw//opt/share/proj Maybe is there an issue with your anaconda inst...

Can you show the seadas-related lines in your .bashrc?

Please edit your file /home/laura/.bashrc, and see if the variable PROJ_LIB is set in this file. If this is the case, please comment out this line, restart your terminal and see if it works.

Dear Clémence, Concerning pycuda installation we are internally using either pip install pycuda or https://anaconda.org/lukepfister/pycuda. Also, please make sure to use latest version 0.9.2 which ships with source code instead of compiled binaries : it easens significantly the flexibility of the in...

This PROJ_LIB environment variable should be set by your anaconda environment for use by pyproj.
There is maybe a conflict with this seadas-related variable.
Is it set in your .bashrc ? If so, could you try to remove it from your .bashrc, restart your anaconda environment and see if that helps ?