Re: Rest is in the wrong place

[Aaron Hill]

On 2020-10-12 3:39 pm, Knute Snortum wrote:
> Hi again.
>
> I have a piece that I'm engraving and I have run into this problem:
> the 16th note rest is too high:
>
> %%% Start
> \version "2.20.0"
>
> \relative c'' {
>   << { c8[ r16 c] d4 b } \\ { g4 fis f } >>
> }
> %%% End
>
> I know that I can tweak the position of the rest, but I have many bars
> with this problem and I don't want to tweak them all. Is here a better
> way to go about this?  Am I doing something wrong, or a lease not in
> an optimum way?

Looks like RestCollision is shifting the rest upward to avoid the g4 in 
the lower voice.  Why the g4 is being considered might be a bug.

Try this for comparison:

%%%%
\version "2.20.0"

\fixed c'' { \time 3/4
  % Works.  Nothing to avoid.
  { \voiceOne c8[ r16 c] d4 b, }
  % Does not work.  g4 is "too close".
  << { c8[ r16 c] d4 b, } \\ { g,4 fis, f, } >>
  % Works.  g4*1/2 is not considered for collision.
  << { c8[ r16 c] d4 b, } \\ { g,4*1/2 s fis,4 f, } >>
  % Works.  Reduced constraint allows original position.
  \override Staff.RestCollision.minimum-distance = #0.4
  << { c8[ r16 c] d4 b, } \\ { g,4 fis, f, } >>
}
%%%%

Changing minimum-distance might be your best option to avoid needing to 
manually adjust and/or specify the staff-position for rests.


-- Aaron Hill

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