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List:       lilypond-user
Subject:    Re: Controlling slur shapes automatically
From:       Knute Snortum <ksnortum () gmail ! com>
Date:       2023-09-22 15:16:56
Message-ID: CALmeJxS7tXEhW0r3QRxtMFhr1di-_tQKff4V8JtuGJB8+VbzKg () mail ! gmail ! com
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On Fri, Sep 22, 2023 at 2:26 AM Vaughan McAlley <vaughan@mcalley.net.au>
wrote:

> Hi Knute,
>
> Have you had any luck so far? After I read your original email I looked at
> what Gould had to say, and looked through a Henle edition of Beethoven
> piano sonatas. The Henle slurs all looked good (or at least not wrong), but
> placement looks like more of an art than a science when a slur is scaling
> high musical passages.
>
> Gould doesn't give blanket statements about slurs, but it seems like her
> default position in the first bar of your excerpt is to attach the slur to
> the end of the stem, like the second version given. She then details
> various scenarios when it may be good to move the end of the slur closer to
> the notehead (but never pointing directly at it like the first version).
> There is probably a range of acceptable shapes, so maybe tweaking penalties
> could get default slurs closer to this range.
>

Jean suggested:

    \override Slur.details.region-size = 10

...which helps.  I found I sometimes still had to use \shape, but the slurs
LilyPond produced were much closer to what I would like.  I think using
\shape is unavoidable in some cases, especially when the passage has very
large intervals between notes.

--
Knute Snortum

[Attachment #3 (text/html)]

<div dir="ltr"><div dir="ltr">On Fri, Sep 22, 2023 at 2:26 AM Vaughan McAlley \
&lt;<a href="mailto:vaughan@mcalley.net.au">vaughan@mcalley.net.au</a>&gt; \
wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" \
style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hi \
Knute,</div><div><br></div><div>Have you had any luck so far? After I read your \
original email I looked at what Gould had to say, and looked through a Henle edition \
of Beethoven piano sonatas. The Henle slurs all looked good (or at least not wrong), \
but placement looks like more of an art than a science when a slur is scaling high \
musical passages.</div><div><br></div><div>Gould doesn't give blanket statements \
about slurs, but it seems like her default position in the first bar of your excerpt \
is to attach the slur to the end of the stem, like the second version given. She then \
details various scenarios when it may be good to move the end of the slur closer to \
the notehead (but never pointing directly at it like the first version). There is \
probably a range of acceptable shapes, so maybe tweaking penalties could get default \
slurs closer to this range.</div></div></blockquote><div><br></div><div>Jean \
suggested:</div><div><br></div><div>      \override Slur.details.region-size = \
10</div><div><br></div><div>...which helps.   I found I sometimes still had to use \
\shape, but the slurs LilyPond produced were much closer to what I would like.   I \
think using \shape is unavoidable in some cases, especially when the passage has very \
large intervals between notes.</div><div><div><div dir="ltr" \
class="gmail_signature"><div dir="ltr"><div \
dir="ltr"><div><br></div><div>--</div><div>Knute \
Snortum</div></div></div></div></div></div></div></div>



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