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Document behaviour on default enhancement #2247

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merged 3 commits into from Nov 2, 2022
Merged

Document behaviour on default enhancement #2247

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Document behaviour on default enhancement
gerritholl Oct 27, 2022
86b4f2f
Merge branch 'main' into default-stretch
gerritholl Nov 1, 2022
8dba3d9
Default is linear not crude stretch
gerritholl Nov 1, 2022
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17 changes: 17 additions & 0 deletions doc/source/composites.rst
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Expand Up @@ -536,6 +536,23 @@ the file) as::
kwargs:
gamma: [1.7, 1.7, 1.7]

.. warning::
If you define a composite with no matching enhancement, Satpy will by
default apply a crude stretch enhancement. If you want no enhancement
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at all (maybe you are enhancing a composite based on
:class:`DayNightCompositor` where the components have their own
enhancements defined), you need to define an enhancement that does
nothing::

enhancements:
day_x:
standard_name: day_x
operations: []

It is recommended to define an enhancement even if you intend to use
the default, in case the default should change in future versions of
Satpy.

More examples can be found in SatPy source code directory
``satpy/etc/enhancements/generic.yaml``.

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