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DOCS/options: make --scale documentation more consistent 

Beef up the barebones description for the Mitchell filter and make it
consistent with the other --scale examples. In addition to this, make
some wording changes to make the language in the documentation a bit
more unified.

Before this change it was pretty obvious that multiple authors
contributed to this part of the manual (at completely different
timeframes), so the language was somewhat disjointed. The Mitchell
description was also not very helpful.
This commit is contained in:
dokur0chan 2024-02-03 08:25:20 +00:00 committed by Dudemanguy
parent 76472e1ba8
commit 1a194e149c
1 changed files with 9 additions and 8 deletions
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17
DOCS/man/options.rst
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@ -5299,8 +5299,8 @@ them.
(This filter is an alias for ``jinc``-windowed ``jinc``)
``ewa_lanczossharp``
A slightly sharpened version of ewa_lanczos. This is the default when
using the ``high-quality`` profile.
A slightly sharpened version of ``ewa_lanczos``. This is the default
when using the ``high-quality`` profile.
``ewa_lanczos4sharpest``
Very sharp scaler, but also slightly slower than ``ewa_lanczossharp``.
@ -5309,8 +5309,10 @@ them.
built-in anti-ringing, so no extra action needs to be taken.
``mitchell``
Mitchell-Netravali. The ``B`` and ``C`` parameters can be set with
``--scale-param1`` and ``--scale-param2``.
Mitchell-Netravali. Piecewise cubic filter with a support of radius 2.0.
Provides a balanced compromise of all scaling artifacts. This filter has
both ``B`` and ``C`` set to ``1/3``. The ``B`` and ``C`` parameters can
be controlled with ``--scale-param1`` and ``--scale-param2``.
``hermite``
Hermite spline. Similar to ``bicubic`` but with ``B`` set to ``0.0``.
@ -5319,10 +5321,9 @@ them.
default for ``--dscale``.
``catmull_rom``
Catmull-Rom. A Cubic filter in the same vein as ``mitchell``, where
the ``B`` and ``C`` parameters are ``0.0`` and ``0.5`` respectively.
This filter is sharper than ``mitchell``, but it results in more
ringing.
Catmull-Rom spline. Similar to ``mitchell``, but with ``B`` and ``C``
set to ``0.0`` and ``0.5`` respectively. This filter is sharper than
``mitchell``, but prone to ringing.
``oversample``
A version of nearest neighbour that (naively) oversamples pixels, so