Re: Getting Y-offset on systems to be exact on left and right "mirrored pages"

[Thomas Morley]

Am Do., 5. Aug. 2021 um 08:53 Uhr schrieb Owain Evans <owaine1@live.com>:
>
> I'm arranging for a beginner piano duet where left and right pages mirror 
> each other:
> same bars per system, same system alignment-distances, same Y-offsets on each 
> system.
>
> I would like the same Y-offset value on left and right pages to be at the 
> same level.
> Here it's the notes above the staff that is affecting the Y-offset.
> I've tried changing the layer, script-priority, outside-staff-priority and 
> just cannot get them level.
>
> Is there any way to make the systems left and right align with the same value?
>
> (I'm using Frescobaldi Music>Two pages (first page left) so you can see they 
> are not level)
>
> \version "2.20.0"
>
> mymusic = { \repeat unfold 16 {c4} \break }
>
> \bookpart {
> \relative c' {
>  \overrideProperty Score.NonMusicalPaperColumn.
>  line-break-system-details  #'((Y-offset . 40)))
>     \mymusic }
> }
>
> \bookpart {
> \relative c''' {
>    \overrideProperty Score.NonMusicalPaperColumn.
>    line-break-system-details #'((Y-offset . 40)))
>  \ottava #1
>  \mymusic }
>   }

Instead of
NonMusicalPaperColumn.line-break-system-details
I'd use:

\paper {
  top-system-spacing =
  #'((basic-distance . 10)
     (minimum-distance . 10)
     (padding . 0)
     (stretchability .0))
}

(if no toplevel markup is between)


HTH,
  Harm