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Re: geostationary satellite data

From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Subject Re: geostationary satellite data
Date 2015-12-17 04:37 +1100
Message-ID <mailman.22.1450287455.30845.python-list@python.org> (permalink)
References <mailman.11.1450280795.30845.python-list@python.org> <dddjs0Fevt5U1@mid.individual.net> <mailman.21.1450285692.30845.python-list@python.org> <dddlcuFg1u6U1@mid.individual.net>

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On Thu, Dec 17, 2015 at 4:30 AM, Peter Pearson
<pkpearson@nowhere.invalid> wrote:
> Agreed.  It's annoying when an agency goes to the trouble of making
> huge datasets available online, but fails to identify the format.
>
> But the 16-bits-per-pixel hypothesis is unlikely, given that each
> byte tends to echo its predecessor:
>
> 0000130 ffff ffff ffff ffff ffff ffff ffff ffff
> 0000140 ffff ffff ffff c0ff c1c0 c3c3 c3c3 c4c4
> 0000150 c4c4 c3c4 c3c3 c4c4 c3c3 c3c3 c3c3 c3c3
> 0000160 c4c4 c4c4 c5c4 c6c5 c7c7 c7c7 c5c5 c6c5

Hmm. With just a few exceptions. Maybe it's two channels or something
- is that what you mean by "taken at different wavelengths"?

Definitely it's begging for format identification from the source.

ChrisA

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Thread

geostationary satellite data jorge.conrado@cptec.inpe.br - 2015-12-16 13:19 -0200
  Re: geostationary satellite data Peter Pearson <pkpearson@nowhere.invalid> - 2015-12-16 17:04 +0000
    Re: geostationary satellite data Chris Angelico <rosuav@gmail.com> - 2015-12-17 04:08 +1100
      Re: geostationary satellite data Peter Pearson <pkpearson@nowhere.invalid> - 2015-12-16 17:30 +0000
        Re: geostationary satellite data Chris Angelico <rosuav@gmail.com> - 2015-12-17 04:37 +1100
          Re: geostationary satellite data Peter Pearson <pkpearson@nowhere.invalid> - 2015-12-16 17:53 +0000
        Re: geostationary satellite data Robin Koch <robin.koch@t-online.de> - 2015-12-16 19:57 +0100

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