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Every L2 file has a global attribute "day_night_flag".  It is a string and has Day, Night, Mixed, or Unknown stored in it.  It that what you are looking for?

don

Strange.  Once the script gets the start time, it should not care what kind of file you used as input.  I'll take a look at the script and see if I see anything that could cause this.

don

Unfortunately, getanc.py works fine for me on that L1A MODIS file.  Try the verbose option to see if the script gets the date correct.

getanc.py -v A2017184170500.L1A_LAC

don

tilt is in every L2 file.  On the other hand ntilts, tilt_flags, and tilt_ranges have never been written to NetCDF L2 files and have not been populated in HDF L2 files for over 10 years.  They are added as a VGroup, but never filled in as far as I can tell.  I stopped looking backward...

The SMI files after May 2014 are produced by l3mapgen instead of smigen.  The new files are smaller since the poc data is stored as a scaled 16 bit int instead of a 32 bit float.  As you noticed, the file size is almost 3 times smaller.  From the NetCDF metadata:  short poc(lat, ...

If you scroll down, there is a table listing all of the bundles available.For you <arch> is probably "linux_64"You want to download the bundles for your desired sensors:MODIS Common Processing DataMODIS-Aqua Processing DataMODIS-Aqua (hires) Processing DataMODIS-Terra Processing DataMODIS-...

The networking on many virtual machines can be really flaky.  For some reason git, which uses libcurl for networking, has trouble if the network is flaky.  I would try to do the install a many times and see if one of the installs succeeds.  If that does not work you might have to reso...

the GUI does not support OLCI yet.  You have to use l2gen from the command line.

Your first problem is that the default python is version 3 and not version 2.  install_ocssw.py is a python 2.7 program.Not sure why l2gen is not working for you.  I downloaded these files:dshea@gs616-crab:~/data/terra$ ls -ltotal 522375-rw-rw-r-- 1 dshea dshea 161605822 Jul 13 09:06 MOD02...

If you are talking about missing data on the outside 1/2 ish of each scan, that is a "feature" of VIIRS.  The overlapping data of the bowtie region of the scan is not transmitted from VIIRS to the ground.  If you map the data you will get complete spacial coverage.

don