Search found 18 matches
- Thu Oct 27, 2022 5:23 am America/New_York
- Forum: Home
- Question: How to reproject MODIS L2 data via Python?
- Replies: 2
Re: How to reproject MODIS L2 data via Python?
got it thanks
- Sun Oct 23, 2022 11:14 pm America/New_York
- Forum: Home
- Question: How to reproject MODIS L2 data via Python?
- Replies: 2
How to reproject MODIS L2 data via Python?
Hi all, I tried to reproject MODIS L2 data(AQUA_MODIS.20200227T052500.L2.OC.nc) to geotiff using Python, tired GCP but the result was a little misplaced. Also found that part of the lat and lon of the data is not monotonically increasing(see the picture attached), why is this and how should I deal w...
- Tue Jun 28, 2022 9:53 pm America/New_York
- Forum: Home
- Question: How to derive Lw from Rrs product
- Replies: 4
Re: How to derive Lw from Rrs product
got it thanks!
- Mon Jun 27, 2022 10:49 pm America/New_York
- Forum: Home
- Question: How to derive Lw from Rrs product
- Replies: 4
Re: How to derive Lw from Rrs product
Hi Guoqing, Thanks for your anwser! The reason why I want to get Lw is I'm trying to calculate Lt(the formula below), and will calculate Lr,La,Lg,Lwc through corresponding model and look-up table, but unable to get in-situ Lw data for my study area, so I'm thinking about derive it from Rrs, seems th...
- Mon Jun 27, 2022 5:50 am America/New_York
- Forum: Home
- Question: How to derive Lw from Rrs product
- Replies: 4
How to derive Lw from Rrs product
I wanna derive Lw from Rrs product, found this formula on Rrs algorithm description page: Rrs(λ)=(Lw(λ)/(F0fscos(θs)tds)fb(λ)fλ F0 = extraterrestrial solar irradiance (Thuillier et al. 2003) fs= adjustment of F0 for variation in Earth-Sun distance fb = bidirectional reflectance correction fλ = corre...
- Thu Aug 06, 2020 4:14 am America/New_York
- Forum: Home
- Question: unable to install ocssw
- Replies: 4
unable to install ocssw
more info:$ which git/usr/local/bin/git$ git versiongit version 2.10.1macOS 10.13.4 (17E199)when trying GUI, showing :execution exception: java.io.IOException: install_ocssw.py failed with exit code 1.Check log for more details.Installing bundles.sha256sum (1 of 10) % Total % Rece...
- Thu Aug 06, 2020 1:57 am America/New_York
- Forum: Home
- Question: unable to install ocssw
- Replies: 4
unable to install ocssw
Hi all,I just download the 7.5.3 version of seadas on my Mac, but unable to install ocssw no matter using GUI or manually. These are the errors I got:0curl: (7) Failed to connect to oceandata.sci.gsfc.nasa.gov port 443: Operation timed outError - Executing command "cd /Applications/seadas-7.5.3...
- Mon Jun 11, 2018 9:34 am America/New_York
- Forum: Home
- Question: Got weird result from processing Landsat 8 with l2gen
- Replies: 2
Got weird result from processing Landsat 8 with l2gen
Thanks a lot, it works!
Ruizhe
Ruizhe
- Mon Jun 11, 2018 9:33 am America/New_York
- Forum: Home
- Question: What is the calfile for Sentinel 2 L1C process in l2gen?
- Replies: 4
What is the calfile for Sentinel 2 L1C process in l2gen?
Hi don,
Thanks for the help, I got this solved by install_ocssw.py --git-branch=v7.5 --msis2b.
Thanks!
Ruizhe
Thanks for the help, I got this solved by install_ocssw.py --git-branch=v7.5 --msis2b.
Thanks!
Ruizhe
- Fri Jun 08, 2018 11:11 am America/New_York
- Forum: Home
- Question: Got weird result from processing Landsat 8 with l2gen
- Replies: 2
Got weird result from processing Landsat 8 with l2gen
The result I got from processing Landsat 8 with l2gen has weird edge(as fig.1), seems the land mask isn't very good.
fig1:
fig2 is processed by ACOLITTE, which is normal
fiug2:
Any idea?
Thanks a lot.
Ruizhe
fig1:

fig2 is processed by ACOLITTE, which is normal
fiug2:

Any idea?
Thanks a lot.
Ruizhe