Hi François, Many thanks for the information, that's very helpful. I had a quick scan looking for references to BRDF in the code, but I should have used 'normalization' instead! We might leave the POLYMER dataset as it is and correct the standard product, but it's good to have the two options. Thank...

Hi there, I'm processing S3 OLCI data from level 1 to level 2 using POLYMER v.4.13. The idea is to compare the POLYMER outputs with the OLCI standard product which, from the user manual, are directional water-leaving reflectances - i.e. not corrected for BRDF effects. From the literature I see that ...