Search found 176 matches

by avmehta
Thu Jul 09, 2020 4:29 pm America/New_York
Forum: Questions/Comments
Question: HICO L-2 Processing
Replies: 11

HICO L-2 Processing

Thanks much Sean.I am  running l2gen for HICO  on  SeaDAS GUI. I see the absc_gas.nc file on my Mac in /seadas-7.5.3/ocssw/share/hico directory.I moved the file to /seadas-7.5.3/ocssw/share/common where atrem_angle_limit.nc is and just got read before I get the 'No such file or di...
by avmehta
Wed Jul 08, 2020 6:10 pm America/New_York
Forum: Questions/Comments
Question: HICO L-2 Processing
Replies: 11

HICO L-2 Processing

Hello,   I am using l2gen to get HICO L2 data.  My question is about 'Derived Geophysical Parameters'. Are all the options valid for HICO? Also, I see multiple algorithm options for certain parameters -- e.g. Kd 490, sst, Zsd (Sechhi Depth).  Is there any default recommen...
by avmehta
Tue Jun 23, 2020 12:33 pm America/New_York
Forum: Questions/Comments
Question: Level-2 Coordinates
Replies: 3

Level-2 Coordinates

Thanks Norman. I have another question I'd appreciate help with. I have installed OCSSW to process  a number of sensors. If I add a new sensor, do I have to re-install it for all the sensors? To be specific I installed OCSSW for MODIS, OLCI, OLI, MSI. Now I want to add VIIRS and HICO -- so ...
by avmehta
Sat Jun 20, 2020 7:50 pm America/New_York
Forum: Questions/Comments
Question: Level-2 Coordinates
Replies: 3

Level-2 Coordinates

Hello,    I am trying to match  pixel location in  OLI, OLCI, and MSI Level-2 image with in-situ data. I colocate according to latitude-longitude of the in situ point measurements data and the lat-lon arrays available in the L2 images. My question is, do I have to re-project the ...
by avmehta
Mon Jun 08, 2020 4:18 pm America/New_York
Forum: Questions/Comments
Question: getanc.py
Replies: 12

getanc.py

Hello,
     I have a question about l2gen output file. In the L2 netcdf output file I see longitudes slon, clon, and elon. And similar for latitude. I use clon and clat of each pixel as geolocation of that pixel when using in calculations. Is this a correct assumption?
Thanks.
Amita
by avmehta
Thu Jun 04, 2020 11:37 am America/New_York
Forum: Questions/Comments
Question: SeaDAS Visualization on Linux
Replies: 1

SeaDAS Visualization on Linux

Hello,  I use SeaDAS GUI on my Mac for raster calculations and visualization.  I am trying do the same on a Linux computer. When I launch 'seadas'  I get the following message window: "An Internal Error occurred. Not able to create user interface control for page componen...
by avmehta
Thu Jun 04, 2020 10:51 am America/New_York
Forum: Questions/Comments
Question: getanc.py
Replies: 12

getanc.py

Thanks Don.
Amita
by avmehta
Thu Jun 04, 2020 10:02 am America/New_York
Forum: Questions/Comments
Question: getanc.py
Replies: 12

getanc.py

Hi Sean,  Thanks for the clarification.   I checked on Earthdata and I do have accepted EULA for Sentinel.   I have looked at the download methods and that is how I used wget. In any method  I can not figure out how to specify geographical region ( as I don't want g...
by avmehta
Tue Jun 02, 2020 5:32 pm America/New_York
Forum: Questions/Comments
Question: getanc.py
Replies: 12

getanc.py

Thanks George for the reply.  -  I am having this problem for several days so may not be EOSDIS  - Also,  I download other data from EOSDIS (Earthdata/GES DISC) with wget without any problem.  But these are not  simple files - they are directories  as I mentioned i...
by avmehta
Tue Jun 02, 2020 5:05 pm America/New_York
Forum: Questions/Comments
Question: OLCI Data Download
Replies: 7

OLCI Data Download

Yes, that must be so. I checked and it does not say it is a zip file! I get the following:S3A_OL_1_EFR____20190731T150748_20190731T151048_20190801T182818_0179_047_296_2340_LN1_O_NT_002.zip: HTML document, ASCII text, with very long linesI also looked at the direct access option - for example this li...