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Re: Ugly collision when acciaccatura is followed by downward stem

From: Urs Liska
Subject: Re: Ugly collision when acciaccatura is followed by downward stem
Date: Thu, 26 Nov 2015 12:50:01 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

Am 26.11.2015 um 12:16 schrieb address@hidden:
> Am 2015-11-26 10:33, schrieb Urs Liska:
>> PS: A non-bug question: I tweaked that slur using \shape, but could
>> someone give me a hint as to use other properties to override, so the
>> slur doesn't cross the stem but rather goes *to* it?
> If you set Slur.positions so that slur is below the end of the stem it
> will horizontally align to it. 

Unfortunately that doesn't work, at least not in my case (maybe an
acciaccatura's slur behaves differently from a normal one?).

In the attachment you can see that the slur still aligns to the center
of the note head. Moreover I feel that the override doesn't work as
expected: First attachment is overriding positions to #'(0 . -4.466),
second to #'(0 . -4.467). Suddenly there's a "leap", and it isn't
possible to get a horizontal slur that way (also the first position
doesn't seem to matter).

> But this ist what I suggested elsewhere some days ago: I would like
> the possibility to offset the endpoints of a slur without having to
> find correct values for the other bezier control points.

That seems like a nice idea. Did you look into \shapeII for that? I
don't know if it provides such a feature directly, but it will surely
offer you functions to significantly improve the user experience,
specifically I'd look for the "polar coordinates" approach.


Attachment: schwan.png
Description: PNG image

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