Search found 11 matches

by masudocn02
Mon Apr 10, 2023 4:27 pm America/New_York
Forum: Questions/Comments
Question: Dealing with the negative Rrs values in NASA OC products
Replies: 1

Dealing with the negative Rrs values in NASA OC products

Hello folks, I am trying to compare the Remote sensing reflectance (Rrs) and top of the atmosphere (TOA) Rrs of SeaHawk with other ocean-color missions like MODIS-Aqua, Terra, and VIIRS for different matching bands. However, I found many Rrs values of SeaHawk and other sensors are negative. My quest...
by masudocn02
Thu Mar 23, 2023 3:01 pm America/New_York
Forum: Questions/Comments
Question: Conversion of WL radiance to reflectance in MOBY data
Replies: 2

Re: Conversion of WL radiance to reflectance in MOBY data

Hi all,

I did convert the degree, mins, and secs into decimal degrees. Yes, this was very easy to make a mistake.
Thank you all for your information and feedback.

Regards,
Masud
by masudocn02
Mon Mar 20, 2023 6:23 pm America/New_York
Forum: Questions/Comments
Question: Conversion of WL radiance to reflectance in MOBY data
Replies: 2

Conversion of WL radiance to reflectance in MOBY data

Hi there, I want to convert the MOBY (in situ buoy data) water leaving radiance () to remote sensing reflectance. The data can be seen on the website: https://www.star.nesdis.noaa.gov/socd/moby/filtered_spec/M272_2022052323d.txt. The following is the information given in the text file. " DscS 1...
by masudocn02
Mon Mar 20, 2023 5:58 pm America/New_York
Forum: Questions/Comments
Question: Conversion of radiance to reflectance in MOBY data
Replies: 1

Conversion of radiance to reflectance in MOBY data

Hi there, I want to convert the MOBY (in situ buoy data) water leaving radiance () to remote sensing reflectance. The data can be seen on the website: https://www.star.nesdis.noaa.gov/socd/moby/filtered_spec/M272_2022052323d.txt. The following is the information given in the text file. " DscS 1...
by masudocn02
Wed Feb 15, 2023 8:33 pm America/New_York
Forum: Questions/Comments
Question: Problems in updating LUTs and installing OCSSW processor
Replies: 8

Re: Problems in updating LUTs and installing OCSSW processor

Hi there! Yes, I got that fixed. I exactly don't know what was the issue. Firstly, I uninstalled all versions of python Anaconda and miniconda, and java. Then reinstalled again in the command line. Then i tried the manual process of OCSSW processor in the command line. Finally, it was successful!!! ...
by masudocn02
Tue Feb 14, 2023 6:29 pm America/New_York
Forum: Questions/Comments
Question: Problems in updating LUTs and installing OCSSW processor
Replies: 8

Re: Problems in updating LUTs and installing OCSSW processor

Hello, Running the following code in the terminal doesn't give any error. /usr/bin/env python3 -c "import requests" However, running this in the terminal, install_ocssw zsh: command not found: install_ocssw I followed the manual installation process of OCSSW based on the following page: ht...
by masudocn02
Wed Feb 01, 2023 1:57 pm America/New_York
Forum: Questions/Comments
Question: Problems in updating LUTs and installing OCSSW processor
Replies: 8

Re: Problems in updating LUTs and installing OCSSW processor

The Software & System Info and post the result ->>>> ----------------------------------------------------------- Main Application Platform: ----------------------------------------------------------- Application Version: SeaDAS 8.3.0 SNAP Engine Version: 9.0.3* (SeaDAS Platform modified) SNAP De...
by masudocn02
Tue Jan 31, 2023 6:49 pm America/New_York
Forum: Questions/Comments
Question: Problems in updating LUTs and installing OCSSW processor
Replies: 8

Problems in updating LUTs and installing OCSSW processor

Hello everyone, I installed the new version 8.3.0 of SeaDas on my MacBookPro (macMonterey, Version 12.5.1). When I am trying to update the LUTs, it fails to update. Also, if I try to install the SeaDas processor using GUI (“Install/Update SeaDAS Processors”), it shows the following errors: execution...
by masudocn02
Wed Jan 25, 2023 4:14 pm America/New_York
Forum: Questions/Comments
Question: How to obtain solar angle, solar zenith, sensor angle from SeaHawk and MODIS Aqua?
Replies: 2

How to obtain solar angle, solar zenith, sensor angle from SeaHawk and MODIS Aqua?

I downloaded SEAHAWK1_HAWKEYE.20210703T133243.L1A.nc file and I created the GEO file (e.g., SEAHAWK1_HAWKEYE.20210703T133243.GEO.hdf) by using geolocate_hawkeye. I am using version 8.1 Seadas GUI. When I try to run l2gen and I select the specific products that I want (sola, solz, sena, senz) it does...