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You can install OCSSW on your Mac (with Intel chips) without using docker -- https://seadas.gsfc.nasa.gov/downloads/

Our code needs some posList information from gml files, e.g. GRANULE/L1C_T33VUF_A031236_20210615T102244/QI_DATA/ MSK_DETFOO_B07.gml in the MSI_S2A L1 files with the old format, but we are not able to find the information from the MSI_S2A L1 files with the new format, certainly not GRANULE/L1C_T42QVK...

Yes, it's one dimensional and can be found in Metadata -> Scan_Line_Attributes as seen in the attached screenshot.

On the other hand, l2gen can generate product solz (solar zenith angle), which is two dimensional

We were able to replicate the error you encountered. It seems that adding /usr/local/bin to your PATH in your .bashrc or .bash_profile would work, if you use bash.

There is something not right with your installation of V2023.2. I don't know what happened to clean install. The version of l2gen/l2bin/l3bin/l3mapgen should look like this -- l2gen version: msl12 9.6.0-V2023.1 (Apr 4 2023 11:28:21) l2bin version: 7.0.4 l3bin version: 5.13 l3mapgen version: l3mapgen...

It seems you don't have Science Processors (OCSSW) installed. For l2gen to work correctly on Landsat 8 collection 2 L1 files, you probably need to use Science Processors (OCSSW) V2023.2 and SeaDAS 8.3.0. You can download SeaDAS 8.3.0 here and follow the instruction "Install With GUI" to in...

Yes, this page is out of date. Thanks for letting us know! We'll make the updates.

Please use this link for instructions to install and run SeaDAS -- https://github.com/seadas/seadas-toolbox/wiki/SeaDAS-8.x-Download,-Installation-and-Run-Instructions

Please let us know what version of SeaDAS and what tag of Science Processors (OCSSW) you are using? Or you can do SeaDAS-Toolbox -> Software & System Info and post the result here. Please also copy and paste the Landsat 8 L1 filename here, for it's hard to read the file name on the screenshot yo...

I am puzzled... I tried modis_GEO A2023164100000.L1A_LAC on MacOS 12.6.6 and linux Ubuntu 20.04.6 LTS, but could not replicate the error. Can you do modis_atteph A2023164100000.L1A_LAC getanc A2023164100000.L1A_LAC modis_atteph -s 2023164100000 -m aqua getanc -s 2023164100000 -m aqua and post the re...

Thanks for the clarification. Could you please do seadas_info and post the results here? When you did install_ocssw --install_dir $HOME/ocssw --tag V2023.2 --modisa you only updated modis and modisa files, but not seadas files and files of other sensors you have installed, such as modist. You might ...