Search found 708 matches
- Thu Mar 16, 2017 7:23 am America/New_York
- Forum: Questions/Comments
- Question: Chlorophyll-A algorithm question
- Replies: 5
Chlorophyll-A algorithm question
Roughly speaking, you get a weighted contribution from the underwater concentration. The wavelengths used in chlor_a algorithms can penetrate many meters, but due to attenuation of the light on both downward and return paths, the contribution to Rrs is heavily weighted towards the surfac...
- Tue Mar 14, 2017 5:55 pm America/New_York
- Forum: Questions/Comments
- Question: SeaDAS 7.4 GUI issue on Centos 7
- Replies: 2
SeaDAS 7.4 GUI issue on Centos 7
Try Oracle Java. OpenJDK is known to have problems with graphics updating.
- Tue Mar 14, 2017 1:52 pm America/New_York
- Forum: Questions/Comments
- Question: MODISA Image Generation
- Replies: 2
MODISA Image Generation
My personal approach to the issues you posed:1. attaching a colorbara. GPT is generally used in batch processing to create lots of images, hopefully all with the same colour scale. Rather than attaching a colour scale to each image, it often makes sense to keep it separate. I often...
- Tue Mar 14, 2017 11:29 am America/New_York
- Forum: Questions/Comments
- Question: VIIRS L1A to L1B
- Replies: 2
VIIRS L1A to L1B
Try using the full paths for the lines:dnb_dynamic_lut_file=<** missing path **>/VIIRS_NPP_CAL_DNB_DYNAMIC_LUT_v2.0.0.2_obpg.ncrsb_dynamic_lut_file=<** missing path **>/VIIRS_NPP_CAL_RSB_DYNAMIC_LUT_v2.0.0.2_obpg.ncI don't think the big dem files are needed if you use V*.GEO-M_SNPP.nc files, and...
- Tue Mar 14, 2017 8:44 am America/New_York
- Forum: Questions/Comments
- Question: viirsn processing after SeaDAS 7.4 upgrade
- Replies: 13
viirsn processing after SeaDAS 7.4 upgrade
I get the same error on 2 different systems (macOS and linux). Using "strace geolocate_viirs verbose=true ifile=V2017072153000.L1A_SNPP.nc" reveals that the problem is with "$OCDATAROOT/viirsn/dem//NPP_VIIRS_Terrain-Eco-ANC-Tile_N0722_v1.5.04.00_LP.teb". I have ...
- Sun Mar 12, 2017 5:39 pm America/New_York
- Forum: Questions/Comments
- Question: viirsn processing after SeaDAS 7.4 upgrade
- Replies: 13
viirsn processing after SeaDAS 7.4 upgrade
If you want to do VIIRS geolocation you need to install the files manually, see What is needed to geolocate NASA L1 VIIRS data?-SeaDAS 7 FAQ
- Sun Mar 12, 2017 1:20 pm America/New_York
- Forum: Questions/Comments
- Question: seadas-7.4 GUI java exception
- Replies: 6
seadas-7.4 GUI java exception
The log shows "
Caused by: java.awt.HeadlessException
". In plain language, this says Java didn't find keyboard, mouse, or display so is running in "headless" mode.- Fri Mar 10, 2017 1:57 pm America/New_York
- Forum: Questions/Comments
- Question: viirsn processing after SeaDAS 7.4 upgrade
- Replies: 13
viirsn processing after SeaDAS 7.4 upgrade
I have SeaDAS 7.4 on Linux Mint 18.1 (based on Ubuntu 16.04). After running
update_luts.py
I also have the new $OCVARROOT/viirsn/cal/OPER/*_LUT_v2.0.0.2_obpg.nc
files but ocssw/run/data/viirsn/instrument_defaults.par
still has *_LUT_v1.1.0.1_obpg.nc
.- Mon Mar 06, 2017 10:41 am America/New_York
- Forum: Questions/Comments
- Question: problems installing ocssw processors
- Replies: 4
problems installing ocssw processors
You don't mention the python version. Apple's python uses an old SSL library that doesn't support NASA's https configuration, so you will need a more up-to-date Python 2.7. If you did install a newer Python, you may need to adjust your PATH variable to ensure ...
- Fri Mar 03, 2017 11:17 am America/New_York
- Forum: Questions/Comments
- Question: problems to download and install seadas 7.3.2
- Replies: 2
problems to download and install seadas 7.3.2
You are making things too complicated. Assuming you have the Required software, in a terminal, just run:wget https://oceandata.sci.gsfc.nasa.gov/SeaDAS/installer/7.3.2/seadas_7.3.2_linux64_installer.sh and you should see something like:--2017-03-03 12:04:59-- https://oceandat...