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You need to do something with the connection to know it works.  On macOS El Capitan:$ /usr/bin/python2.7 -c 'import httplib ; c = httplib.HTTPSConnection("oceancolor.gsfc.nasa.gov"); c.request("GET", "/"); r=c.getresponse(); print r.status, r.reason'Traceba...

The Python 2.7 documentation says ssl.OPENSSL_VERSION was new in 2.7.  Kudos to RedHat for providing a useful Python 2.6 configuration.

Many of my colleagues share your frustration.   I think you are very close to having things working, so please don't give up.  I'm sure there are many users encountering similar problems, so it is very useful when someone steps up to point out gaps in the documentation and per...

You don't need a git GUI.  I'm not sure what you mean by "not able to update the $PATH environment variable".   The command to run the Anaconda installer needs to be run in the directory that contains the downloaded file "Anaconda2-4.3.1-MacOSX-x86_64.sh".&...

If you run the SeaDAS 7 GUI by clicking the icon, it is using Anaconda python3 which will cause pyvercheck.py to fail.  The current pyvercheck.py seems to have been designed to handle "too old" python versions and does not run under python3. It is not hard to change the script to supp...

Good to see things getting back on track.  I'm sure there are others who can benefit from seeing how to have both Anaconda Python2 and Python3 installed.Does update_luts.py work in the GUI as wells on the command line?  To check that the processing system is working, you can start with...

For the missing settings of OCSSWROOT and OCDATAROOT, see the very bottom section of SeaDAS Installion:"Add the following lines to your “.bashrc” file to configure your command line enviroment [sic]. This assumes your login shell is bash. If you are using a differnt [sic] shell, talk to you sys...

You seem to have all the right ingredients.   Have you tried running update_luts.py --verbose ... from the command line with the python2 environment?  You can also try: /Users/astridleitner/anaconda3/envs/python2/bin/python $OCSSWROOT/run/scripts/update_luts.py --verbose ....If that w...

If it is any comfort, you are not the only one having this problem.   It may be helpful to others if you provide more complete details of your misbehaving configuration.  So far I have seen systems (both macOS and linux) with a suitable python installed but the PATH variable set to us...

I suspect the relevant change in SeaDAS 7 is the use of a "TrueColour" graphics model.  SeaDAS 6 used 8-bit colour, so your previous GeoTiffs probably had a single band and a colour LUT.  There are tools you can use to check if this is the case (e.g., ImageMagick's "iden...