Search found 17 matches

by jcoca
Tue Jun 25, 2019 2:16 pm America/New_York
Forum: Questions/Comments
Question: S3A and S3B negative Rrs_761, Rrs_764, Rrs_768
Replies: 2

S3A and S3B negative Rrs_761, Rrs_764, Rrs_768

Hello
We are processing Sentinel 3A and 3B calling l2gen. We always get negative Rrs for band 761, 764 and 768 (see attached example). It happens for both satellites, and for both clear and turbid waters

Regards
Josep
by jcoca
Fri Mar 23, 2018 3:49 pm America/New_York
Forum: Questions/Comments
Question: Landsat 8 Ocean Color initially succesful for 2018 5th march
Replies: 2

Landsat 8 Ocean Color initially succesful for 2018 5th march

Hello

Unbelievable!!!!
Thank you very much for your answer, Due to the unexpected result, I enclosed the images.
I will wait for seadas 7.5:wink:

Josep
by jcoca
Thu Mar 22, 2018 2:32 pm America/New_York
Forum: Questions/Comments
Question: Landsat 8 Ocean Color initially succesful for 2018 5th march
Replies: 2

Landsat 8 Ocean Color initially succesful for 2018 5th march

Dear AllRecently I have done some test to retrieve ocean color variables from Landsat 8, using SeaDAS. I am surprised, because I started doing two test and the processing was succesful. Some days later, I tried to process other data and the processing failed. Due to that , I tried to process again t...
by jcoca
Thu Mar 16, 2017 8:50 am America/New_York
Forum: Questions/Comments
Question: viirsn processing after SeaDAS 7.4 upgrade
Replies: 13

viirsn processing after SeaDAS 7.4 upgrade

HelloI have test geolocate_viirs in comandline test execution adding the geofile_mod option, it is working now.In my operational script  the option geofile_mod  was already set, however I had to remove the options  terrain_path  and  land_water_mask_path to to accomplishthe ...
by jcoca
Tue Mar 14, 2017 5:20 am America/New_York
Forum: Questions/Comments
Question: viirsn processing after SeaDAS 7.4 upgrade
Replies: 13

viirsn processing after SeaDAS 7.4 upgrade

HelloI have dowloaded and extracted the   file DEM-LWM.tar.gz (ftp://samoa.gsfc.nasa.gov/pub/VIIRSL1/) in my $OCDATAROOT/viirsn directory. The dem/ and lw/ directories have been created. However I am still experiencing problems. This is the current output of geolocate_viirs: geolocate_viir...
by jcoca
Sun Mar 12, 2017 1:43 pm America/New_York
Forum: Questions/Comments
Question: viirsn processing after SeaDAS 7.4 upgrade
Replies: 13

viirsn processing after SeaDAS 7.4 upgrade

Hello I have updated the ocssw, however there is still a problem related to terrain_path=$OCDATAROOT/viirsn/dem/ dem subdirectory.The dem subdirectory is still missing. Are dem data placed in other location? The ouput of geolocate_viirs:geolocate_viirs ifile=V2017068132400.L1A_SNPP.ncMain:: Geolocat...
by jcoca
Fri Mar 10, 2017 5:26 am America/New_York
Forum: Questions/Comments
Question: viirsn processing after SeaDAS 7.4 upgrade
Replies: 13

viirsn processing after SeaDAS 7.4 upgrade

Hello After installing SeaDAS 7.4 we are experiencing problems with VIIRSN processing (Also reprojecting files with gpt.sh, solved thanks to the aynur response to the alakes post). After the instalation, we have run  update_luts.py for viirsn, aqua and terra.- Example of the output of geolocate...