|
From: | N. Andrew Walsh |
Subject: | Re: weird error with \repeat tremolo |
Date: | Wed, 6 Mar 2019 13:15:16 +0100 |
On 2019-02-25 2:15 am, Thomas Morley wrote:
> Am Mo., 25. Feb. 2019 um 11:02 Uhr schrieb N. Andrew Walsh
> <address@hidden>:
>>
>> Hi Aaron,
>>
>> On Mon, Feb 25, 2019 at 10:50 AM Aaron Hill <address@hidden>
>> wrote:
>> You could try manually lengthening
>>>
>>> the stem to see if it helps as a possible workaround.
>>
>>
>> I've gone all the way out to
>>
>> \once \override Beam.positions = #'(-20 . -24)
>>
>> and still get the error, so I don't think tweaking stem length is
>> going to help. Any idea what the error might be? Is there a bug
>> report?
>>
>> Thanks for the help,
>>
>> A
> Some discussion here:
> https://lists.gnu.org/archive/html/bug-lilypond/2019-02/msg00000.html
I was so certain I had posted to the bug alias on this issue, but I
cannot find it. It was a pretty big write up too, testing lots of
things. But I am feeling like I must have dreamt it, since there's no
trace. :-/
> Here another minimal:
>
> \relative c'' {
> %\voiceOne
> d16. d32 \repeat tremolo 4 { b32 }
> }
>
> Looks like the error happens only if stems are pointing down, thus
> above compiles fine if voiceOne is uncommented.
The issue doesn't seem to be precisely stem direction. You can trigger
it with this:
%%%%
\version "2.19.82"
{ a32 8..:32 }
%%%%
If you change the note to g, then it works. Lower notes result in a
longer stem, which is why I had thought it might have something to do
with stem length.
But then I found that beam-thickness can affect things too:
%%%%
\version "2.19.82"
{ \override Beam.beam-thickness = #0.488934 a32 8..:32 }
%%%%
This fails, but change the thickness to #0.488935 or higher and it
works.
%%%%
\version "2.19.82"
{ \override StemTremolo.beam-thickness = #0.465801 a32 8..:32 }
%%%%
Again, this will fail, but *lower* the thickness to #0.465800 and it
works.
-- Aaron Hill
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