Search found 19 matches

by osrani
Thu Dec 20, 2018 11:32 am America/New_York
Forum: Questions/Comments
Question: Rayleigh correction
Replies: 8

Rayleigh correction

Thank you sean
Is rho-cirrus can also be obtained as l2prod=rho-cirrus????
What is the importance of this product .
by osrani
Thu Dec 20, 2018 5:45 am America/New_York
Forum: Questions/Comments
Question: Rayleigh correction
Replies: 8

Rayleigh correction

Thank you  so much .It  worked.Now  I am this assuming  rhos_nnn are only rayleigh corrected .I observed that F0 values below are not matching with F0 given in metadata. Bnd   Lam       Fo    Tau_r     k_oz    k_no2...
by osrani
Wed Dec 19, 2018 10:49 am America/New_York
Forum: Questions/Comments
Question: Rayleigh correction
Replies: 8

Rayleigh correction

Thank you norman.
Yes I want rho_nnn for  sentinel-2 image.
will this command will work for rhos_nnn
l2gen ifile="" ofile ="xxxx.L2" product=rhos_nnn
by osrani
Tue Dec 18, 2018 10:31 pm America/New_York
Forum: Questions/Comments
Question: Rayleigh correction
Replies: 8

Rayleigh correction

HaiiI recently started working on seadas. I am processing MSI sentinel data .I have successfully processed sentinel-2 data using l2gen command with ifile and ofile.But I need only Rayleigh corrected image.In previous posts I found , we can get only rayleigh corrected images by rho_nnn.I think this s...
by osrani
Thu Dec 06, 2018 9:00 am America/New_York
Forum: Questions/Comments
Question: Atmospheric correction
Replies: 5

Atmospheric correction

Sean,Do you mean ip address of proxy.. xx.xxx.xx.xx 8080 portNow the command shows below errormodis_GEO.py /home/itra/Downloads/A2018289080500.L1A_LAC -v error:Traceback (most recent call last):  File "/home/itra/seadas-7.5.1/ocssw/scripts/modis_GEO.py", line 7, in <module>  ...
by osrani
Wed Dec 05, 2018 12:13 am America/New_York
Forum: Questions/Comments
Question: netcdf file processing
Replies: 4

netcdf file processing

HaiAfter processing l2gen ,I got Rrs442,492,559, 665 and 704 but I need Rrs at 443,490,670and 680 for chl extraction .So I tried spectral response function to get weighted band Rrs.Now I unable to understood how to get Rrs at particular wavelength(required)  from this weighted band Rrs.Please s...
by osrani
Tue Dec 04, 2018 10:20 pm America/New_York
Forum: Questions/Comments
Question: netcdf file processing
Replies: 4

netcdf file processing

Thank you Sean .
Problem solved.
by osrani
Tue Dec 04, 2018 1:02 pm America/New_York
Forum: Questions/Comments
Question: netcdf file processing
Replies: 4

netcdf file processing

Thank you Sean. You are right .Previous post error in seadas licence -E- /home/seadas/ocssw/oel_hdf4/libdfutils/wrapper.c line 586: Could not create NCDF4 file, /home/itra/Data/seadas_outputs/sentinel-2_op/test_msi2.L2 .-E- l2gen: Error opening /home/itra/Data/seadas_outputs/sentinel-2_op/test_msi2....
by osrani
Tue Dec 04, 2018 11:48 am America/New_York
Forum: Questions/Comments
Question: Atmospheric correction
Replies: 5

Atmospheric correction

Thank you Sean for the response.MODIS Luts .Our proxy was unable to reach the ftp server having these luts .Every time, it used to show network error in seadas while updating and even while installing but the network connection was fine with other things.So I request you to  please check the is...
by osrani
Tue Dec 04, 2018 1:25 am America/New_York
Forum: Questions/Comments
Question: Atmospheric correction
Replies: 5

Atmospheric correction

HaiiI need small clarification..1.In calculation of Rrs from nLw and F0 ,is F0 is different for all satellites???(it was given in forum that as RSR changes F0 changes for satellites like Modis and seawifs)2.I am unable to open the links below:(even I am registered)http://oceancolor.gsfc.nasa.gov/DOC...