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When using mosaic to reproject an image the whole output area will be covered.  With l3mapgen only the area bounded by the lat/lon constraints will we filled.  So when using stereographic projections there will parts of the image that will be blank.  The old Seadas 6 version of l3mapg...

With l3mapgen there are three options for interpolation: nearest, bin and area.  Using gpt Mosaic the resampling options are nearest, bilinear and bicubic.

Is the equivalent of area in l3mapgen bilinear in Mosaic?

Thanks!

Thanks for the replies.  The ESA product looks interesting indeed.  Thanks for the tip.

Aqua and Viirs Chl seem to agree pretty well.  So I was thinking of merging the two datasets in order to get better spatial coverage.  What would be the best way to do that be?In the L3b files the mean Chl is calculated for each bin as: sum/weights.So I was thinking of calculating a mean m...

That is great news!  I am now using ImageMagick's convert to add coastline from the command line which is kind of a pain. Thanks!

Yes, indeed, I am pretty sure you will need to update your python install.  Even with the new SeaDAS that just came out. (7.4).This is how I did 'fixed' SeaDAS (see some earlier posts), but if you upgrade to SeaDAS 7.4 you only have to do the Anaconda step, since you can do the other st...

@madhur: see my post above on the steps to take.  You probably only have to install Anaconda, with python 2.7:"I installed Anaconda following Sean's recommendation ( https://www.continuum.io/downloads ).  I now have:python --version: Python 2.7.13 :: Anaconda 4.3.0 (x86_64)openssl...

Thanks for testing...From the command line getting ancillary data works fine for me, thanks for the reminder.When I do the following:From the GUI, start l2gen, and click on "Get Ancillary", I get a pop-up window for a 5-10 seconds with "Retrieving ancillary files", but the window...

Strange, I tried a couple just now...S2003239163104.L1A_GACS2000243154434.L1A_GACenv | grep anc gives: L2GEN_ANC=/Applications/seadas-7.3/ocssw/run/var/ancls /Applications/seadas-7.3/ocssw/run/var/anc gives 2015 (so no year 2000 or 2003...).The log says:Opening meteorological files.  met1 ...

Ah, ok, I see.  I was confused because inymar wrote that 'everything' worked. I am not sure if the 'Get Ancillary' is working in l2gen when processing a SeaWiFS L2_GAC file.  I just tried it and nothing happens when I click Get Ancillary (any of the options).  In the p...