Search found 59 matches

by gfireman
Thu Oct 19, 2017 10:54 am America/New_York
Forum: All Questions/Comments
Question: about L2 Ocean Products
Replies: 7

about L2 Ocean Products

Please just give us a file name.
Bit 15 of SST Quality Flags is SST_CLOUD, which you had said is set in Suwa Lake under clear conditions.
by gfireman
Wed Oct 18, 2017 5:13 pm America/New_York
Forum: All Questions/Comments
Question: about L2 Ocean Products
Replies: 7

about L2 Ocean Products

Could you give us an example of a standard product, where SST_CLOUD is set where there are no clouds?

And, yes, I mean starting from calibrated radiance.
You may want to start with SeaDAS: https://seadas.gsfc.nasa.gov/
by gfireman
Wed Oct 18, 2017 11:22 am America/New_York
Forum: All Questions/Comments
Question: about L2 Ocean Products
Replies: 7

about L2 Ocean Products

Bit 15 of which flag?Our land/water mask flags only the largest inland water bodies.  At 15 sq km, Lake Suwa is probably flagged as land.Our standard products do not attempt to process chlorophyll or SST over land.  Your best bet is to generate l2 products yourself, using the "proc_la...
by gfireman
Tue Oct 17, 2017 11:10 am America/New_York
Forum: All Questions/Comments
Question: about L2 Ocean Products
Replies: 7

about L2 Ocean Products

1.  For any product, when a pixel contains a null or fill value, it means that no meaningful value could be determined - for any of a number of reasons.  To find the reason in the case of SST, you will need to decode the corresponding flags_sst value using the table you mentioned: https://...
by gfireman
Mon Oct 02, 2017 10:47 am America/New_York
Forum: All Questions/Comments
Question: Series of images MODIS Aqua L2 of coastal region ( chlorophyll)
Replies: 7

Series of images MODIS Aqua L2 of coastal region ( chlorophyll)

You say you want results.
What results are you looking for?
You say you "have to upload pictures modis aqua L2 (10 years)", but that doesn't tell us what your goals are.
For instance, are you trying to export MODIS Aqua chlorophyll as mapped pngs?
by gfireman
Tue Sep 26, 2017 2:14 pm America/New_York
Forum: All Questions/Comments
Question: converting Dimensions
Replies: 6

converting Dimensions

Where did you get this file?  Doesn't look like one of ours.
The "h00v02" part of the filename suggests it's in a sinusoidal tile grid, as described here.  Except tile "h00v02" doesn't exist, over India or anywhere on the planet.
by gfireman
Tue Jul 11, 2017 11:27 am America/New_York
Forum: All Questions/Comments
Question: l2gen MOD02/MYD02
Replies: 24

l2gen MOD02/MYD02

Cassandra -Files distributed by LAADS have the processing timestamp as part of the filename.  Usually the three L1B resolutions are created at exactly the same time, so our code looks for higher-resolution files with the same suffix.  One workaround would be to remove the processing timest...
by gfireman
Mon Feb 13, 2017 10:10 am America/New_York
Forum: All Questions/Comments
Question: Terra MODIS real-time geolocation broken in SeaDAS 7.3.2
Replies: 6

Terra MODIS real-time geolocation broken in SeaDAS 7.3.2

Liam,Yes, James Kuyper is the one to contact.  He explained on 9/12/13:The bugs I know of are triggered when an entire scan of data falls intoan ancillary data packet gap. PGE01 discards the information it'scollected telling it that there was a gap, and happily goes forwardprocessing the da...
by gfireman
Thu Feb 02, 2017 3:18 pm America/New_York
Forum: All Questions/Comments
Question: Problem processing aqua data with seadas 7..
Replies: 2

Problem processing aqua data with seadas 7..

Jay -
I'm looking into this issue.
Gwyn