Search found 73 matches

by zhigang
Tue May 28, 2019 12:01 pm America/New_York
Forum: Home
Question: Landsat8 l2_flags
Replies: 9

Landsat8 l2_flags

Thanks Sean. I have remove this line. Although there is another problem, the l2gen does work when I didn't generate chlora.....chl_hu: incompatible sensor wavelengths for this algorithmchl_hu: -1 1 2....I also solved the problem for l7etmp ('cannot read the msl12_defaults.par'). The command git clon...
by zhigang
Sat May 25, 2019 2:40 pm America/New_York
Forum: Home
Question: Landsat8 l2_flags
Replies: 9

Landsat8 l2_flags

Hi Sean,I have a follow up question about the l2gen for Landsat 5 and Landsat 7.According to your comments, I have installed the bundle of Landsat 5 tm manually, and try to process the Landsat 5 data using the default parameter, however, the it didn't work. The detail of processing was:l2gen ifi...
by zhigang
Wed May 15, 2019 9:18 pm America/New_York
Forum: Home
Question: When the SeaDAS could process the image bands of VIIRS?
Replies: 5

When the SeaDAS could process the image bands of VIIRS?

Thanks don, I have found a temporary method to process them.

Regards,
Zhigang
by zhigang
Sat Apr 27, 2019 4:26 am America/New_York
Forum: Home
Question: When the SeaDAS could process the image bands of VIIRS?
Replies: 5

When the SeaDAS could process the image bands of VIIRS?

Greetings,I read a publication of Wang M.H(2018)(VIIRS-derived ocean color product using the imaging bands), demonstraing that the image band with 375m could be used to retrieve the ocean color matters and was more suitable to monitor the coastal regions. However, I don't know how to process tha...
by zhigang
Mon Mar 18, 2019 9:04 pm America/New_York
Forum: Home
Question: problem with https
Replies: 5

problem with https

Exactly, the set_tunnel is very useful. I have been using this function to access the https connection.

Zhigang
by zhigang
Sat Jan 26, 2019 10:24 am America/New_York
Forum: Home
Question: How to compress the L2 output in SeaDAS
Replies: 2

How to compress the L2 output in SeaDAS

Thanks Brendan. I have enlarged my disks to storage them.

Regards,
Zhigang
by zhigang
Wed Jan 16, 2019 11:38 am America/New_York
Forum: Home
Question: seadas7.5.1 installing issure fro
Replies: 2

seadas7.5.1 installing issure fro

I guess that the git in your system is not complete version. Firstly, you can check the git connection using:git ls-remote "https://oceandata.sci.gsfc.nasa.gov/git/obpgpyutils/" HEADif the text like "be40eb6871cf353024c22bdd8e4b014b91bc414a        HEAD" was no...
by zhigang
Tue Jan 15, 2019 9:29 am America/New_York
Forum: Home
Question: How to compress the L2 output in SeaDAS
Replies: 2

How to compress the L2 output in SeaDAS

Dear all,I generated some L2 products of Landsat 8 OLI with SeaDAS 7.5.1, the working flow is ok, just one thing needs to be solved. One L2 output is ~800M for Landsat 8 OLI, it is so large. If I have lots of data to be processed in the near future, they will need large spaces of the disk. Therefore...
by zhigang
Wed May 30, 2018 10:34 pm America/New_York
Forum: Home
Question: Error: No data product writer for the 'HDF5' format available in gpt.sh (v7.5)
Replies: 3

Error: No data product writer for the 'HDF5' format available in gpt.sh (v7.5)

Thanks, Don. So, for now, I have to write a NetCDF4 file.
by zhigang
Wed May 30, 2018 3:45 am America/New_York
Forum: Home
Question: Error: No data product writer for the 'HDF5' format available in gpt.sh (v7.5)
Replies: 3

Error: No data product writer for the 'HDF5' format available in gpt.sh (v7.5)

Greetings,I would like to export the L2_LAC_OC file to HDF5 file via gpt.sh (v7.5) in command line, but it didn't work. The error is :[optics@localhost tmp]$ /home/optics/seadas-7.5/bin/gpt.sh /home/optics/tmp/A2017243214000_gpt.xml -t /mnt/da81fa5a-016e-4718-a7ed-b89f4cd59da5/saltonsea/A2017243...