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Once you get the VM setup follow these instructions to get the command line tools.

https://seadas.gsfc.nasa.gov/downloads/#manual-installation

don

Yes, we distribute many command line programs with SeaDAS that work with L3 bin files.

don

SeaDAS can not open L3 bin files, but can view L3 mapped files.  The command line program "l3mapgen" is used to convert a bin file into a mapped file.  Unfortunately, the command line programs only work on linux or a mac. We also have SMI (Standard Mapped Image) files on the webs...

Yes, there is an indexing bug in this product that slipped through.  It is already fixed and will be released when the new processing code goes out. Thanks for the pointing this one out.

don

Here is the documentation for the OC2M-HI chlorophyll algorithm.  The "HI" just means the algorithm is using the MODIS high resolution bands.

https://oceancolor.gsfc.nasa.gov/atbd/chlor_a/

l2gen will produce this product if you ask for "chl_oc2" using a MODIS file as input.

When you use "interp=area" you can also set the "fudge" parameter to make each pixel bigger.  This will average the neighboring pixels, but will obviously decrease your resolution.Are you sure the artifact is introduced by l3mapgen and not l2bin?Can you put the bin file and ...

Could you post what is in the par file.  The problem is that 0 pixels were binned.

Yes, it looks like the help file for l2bin does not list the return codes.  Here they are:

  return value: 0=OK, 1=error, 110=north,south,east,west does not intersect
  file data.

don

It is better to install SeaDAS as a normal user in your home directory or a dir that you have write privileges for.  I usually install it in

/home/<user>/local/seadas7.3.2

There will be issues with permissions if you install as root.

don

Yes, sorry to say that the Lawyers are still sitting on the VIIRS code.

Don

did you install OCSSW in:<seadas_install_dir>/ocsswon my machine it looks like this:dshea@gs616-crab:~$ ls local/seadas-7.3.2/bin/                            modules/CHANGELOG.txt              &#...