Search found 151 matches

by avmehta
Tue Jun 08, 2021 6:11 pm America/New_York
Forum: All Questions/Comments
Question: OLCI Chlorophyll from OCSSW
Replies: 1

OLCI Chlorophyll from OCSSW

Hi,
This is just to confirm (again) that OLCI processing in SeaDAS uses OC4 algorithm by default for Ch-a calculations.
Thank you.
Amita
by avmehta
Wed May 05, 2021 12:07 am America/New_York
Forum: All Questions/Comments
Question: MODIS data
Replies: 2

MODIS data

Hello,
I ordered MODIS data through OC Data Access. Before I could download all the files, the order was removed! I re-ordered the data (OBPG: Data order [c0a0f30a289b0166]. Is it possible to get the data back online?
Thank you.
Amita
by avmehta
Fri Mar 26, 2021 11:39 am America/New_York
Forum: All Questions/Comments
Question: OLCI data peocessing
Replies: 1

OLCI data peocessing

Hello, I am using gpt with OLCI images. I assume that when there are no multiple images, available single image is added to the larger grid specified. Occasionally I see that in the resulting file there is a line appears where no samples are counted! This feature is not seen in the original image. P...
by avmehta
Wed Mar 03, 2021 4:39 pm America/New_York
Forum: All Questions/Comments
Question: OLCI and MODIS data processing
Replies: 0

OLCI and MODIS data processing

Hello, This is in continuation of my Q/A with the OC Forum about using gpt to mosaic MODIS and OLCI images. In the end I started using IDL because while gpt provides mean reflectances we are interested in composting 7-day images to find mean, minimum and median reflectances for a region. Since I wan...
by avmehta
Mon Feb 22, 2021 10:15 am America/New_York
Forum: All Questions/Comments
Question: gpt MosaicGeneral
Replies: 7

gpt MosaicGeneral

Hi,
The xml file does not like && ! Any way I am  going to use IDL to do mosaics as I want minimum, mean, and median values  for the mosaics.
Thanks for your help.
Amita
by avmehta
Thu Feb 18, 2021 12:40 pm America/New_York
Forum: All Questions/Comments
Question: gpt MosaicGeneral
Replies: 7

gpt MosaicGeneral

Thanks so much Danny - will try this.
Amita
by avmehta
Wed Feb 17, 2021 9:39 am America/New_York
Forum: All Questions/Comments
Question: gpt MosaicGeneral
Replies: 7

gpt MosaicGeneral

Thank you so much.
Amita
by avmehta
Wed Feb 17, 2021 12:45 am America/New_York
Forum: All Questions/Comments
Question: gpt MosaicGeneral
Replies: 7

gpt MosaicGeneral

Hello,  Could you please  explain the following segment in the xml file from https://seadas.gsfc.nasa.gov/help/GptCookbook/gptCookbookMosaic.html    <conditions>            <condition>                <name>cond...
by avmehta
Tue Feb 16, 2021 2:23 pm America/New_York
Forum: All Questions/Comments
Question: gpt MosaicGeneral
Replies: 21

gpt MosaicGeneral

I am not using GUI -- in GUI I see NaNs!
In the Parameter file is there way to fix this?
Thanks for your help.
Amita
by avmehta
Mon Feb 15, 2021 10:04 am America/New_York
Forum: All Questions/Comments
Question: gpt MosaicGeneral
Replies: 21

gpt MosaicGeneral

Thanks. Here is a portion of what I get after I use gpt to mosaic files:metadata:Processing_Graph:node_0:parameters:orthorectify = "false" ;                metadata:Processing_Graph:node_0:parameters:combine = "OR" ;      ...