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Hamed Nadi

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Sep 18, 2024, 5:06:40 AM9/18/24
to pytroll

I've been attempting to process Meteosat data, but I'm encountering difficulties reading it using various readers. Even when I try to automatically detect the reader, I'm still unable to access the data.

Could you please review the attached file to identify the potential issue? If you suspect a problem with my dataset, please provide a sample for me to analyze.

data.rar

Adam Dybbroe

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Sep 18, 2024, 5:11:43 AM9/18/24
to pyt...@googlegroups.com, adam.d...@smhi.se

Dear Hamed,

Sorry for the delay in approving your message to the list. Your message was stopped in the mail-filter and had to be manually approved, which I just did now. Could you please not attach rar files in the future.

Could you post the error log in text format instead, and I am sure someone here can help you out?

This is what I see in your rar file (after having it checked for virus):

Pathname/Comment
                  Size   Date   Time     Attr
----------------------------------------------
 data/3.JPG
                 78183 08-09-24 21:00   .....A
 data/4.JPG
                189658 08-09-24 21:01   .....A
 data/5.JPG
                206047 08-09-24 21:03   .....A
 data/H-000-MSG4__-MSG4________-VIS006___-000004___-202105261200-C_
               1094040 26-10-21 07:13   .....A
 data/H-000-MSG4__-MSG4________-VIS006___-000004___-202105261200-__
               2159158 26-10-21 07:13   .....A
 data
                     0 08-09-24 21:06   .D....
----------------------------------------------
    6          3727086

-Adam


 

On 08/09/2024 20:31, Hamed Nadi wrote:

I've been attempting to process Meteosat data, but I'm encountering difficulties reading it using various readers. Even when I try to automatically detect the reader, I'm still unable to access the data.

Could you please review the attached file to identify the potential issue? If you suspect a problem with my dataset, please provide a sample for me to analyze.

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-- 
Adam Dybbroe,
Satellite Remote Sensing Scientist
Research lead - Nowcasting and Remote Sensing
Meteorological Research unit, Research and Development
Swedish Meteorological and Hydrological Institute (SMHI)
www.pytroll.org
nwcsaf.smhi.se
www.smhi.se

Adam Dybbroe

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Sep 18, 2024, 5:25:07 AM9/18/24
to pyt...@googlegroups.com, adam.d...@smhi.se

Hamed,

So, the syntax would be:

scn = Scene(filenames=FILENAMES, reader='seviri_l1b_hrit')

But FILENAMES here need to be the full list of files for the channels you want loaded for at least one HRIT segment, *including* the prologue and epilogue files! From your screen capture I see only one file, segment 4 VIS006.


-Adam

Panu Lahtinen

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Sep 18, 2024, 5:26:37 AM9/18/24
to pyt...@googlegroups.com

Hi Hamed,

I'm not opening the rar, but based on the listing Adam shows do you have
the corresponding EPI and PRO files for the data? The MSG HRIT reader
"seviri_l1b_hrit" requires both of those for the data to be read.

The file ending in "__" is decompressed and with the associated metadata
files should be readable directly.

P
>> <https://groups.google.com/d/msgid/pytroll/f3b67887-3658-4f9a-ba69-df898d7c2aban%40googlegroups.com?utm_medium=email&utm_source=footer>.
> --
> Adam Dybbroe,
> Satellite Remote Sensing Scientist
> Research lead - Nowcasting and Remote Sensing
> Meteorological Research unit, Research and Development
> Swedish Meteorological and Hydrological Institute (SMHI)
> www.pytroll.org
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Arctic Space Centre
Finnish Meteorological Institute
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