Thank you for your help on this, Harm.
For now I'll use the workaround of using dotted as opposed to dashed
barlines. (These can be changed back via sed later).
-William
On 6/13/22 20:02, Thomas Morley wrote:
Am Di., 14. Juni 2022 um 01:25 Uhr schrieb Thomas Morley
<thomasmorle...@gmail.com>:
Am Mo., 13. Juni 2022 um 19:39 Uhr schrieb William Rehwinkel via
bug-lilypond <bug-lilypond@gnu.org>:
Dear Lilypond,
After not being able to find any bugs discussing this in the tracker, I
would like to share the following miniature example which I believe
shows that dashed bar-lines are misplaced in vertically compressed
scores (using default lilypond spacing settings). After testing in
2.22.2 and 2.23.9, the same behavior persists. The dashed lines should
have rendered in the same way as the double bar and dotted bar did, but
it does not connect between the two Piano Staves and extends above the
top staff. Note that if the spacing of systems is manually expanded, via
"\paper{ systems-per-page = 4 }", for example, the dashed bar-lines are
rendered properly.
Thank you,
-William
---
\version "2.23.9" % "2.22.2"
\score {
<<
\new PianoStaff <<
\new Staff \repeat unfold 32 { 8 8 8 8 \bar "!" 8 8 8 8
\bar "||" 8 8 8 8 \bar ";" 8 8 8 8 }
\new Staff \repeat unfold 32 { 8 8 8 8 8 8 8 8 8 8 8 8 8 8
8 8 }
>>
\new Staff \repeat unfold 32 { 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 }
>>
}
Confirmed.
Here a more tiny example:
mus = {
\override Staff.BarLine.bar-extent =
#(lambda (grob) (interval-widen (ly:bar-line::calc-bar-extent grob) 0.5))
f'4 \bar "!" f''4
}
\new PianoStaff
<<
\new Staff \mus
\new Staff \mus
>>
Actually a dashed bar line uses dashed-line _or_ a line constructed
from filled boxes, depending on certain conditions.
Iirc, this is due to wished different behaviour if BarLine.color is
different from StaffSymbol.color. I may be wrong here though...
If a _SpanBar_ is dashed with filled boxes the result needs to be
moved between the staves.Though, this is a very rare case and not
covered by any regtest afaict, thus it was undetected so far.
Many thanks for your report.
On it ...
Cheers,
Harm
https://gitlab.com/lilypond/lilypond/-/merge_requests/1408
is a basic fix.
Probably it should be amended by a regtest triggering the problem ...
Cheers,
Harm
--
William Rehwinkel
will...@williamrehwinkel.net
https://williamrehwinkel.net
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