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From: | Auto mailings of changes to Lily Issues via Testlilyissues-auto |
Subject: | [Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5217 random results for the merge-rests-engraver regression test |
Date: | Sun, 22 Oct 2017 16:36:53 +0000 |
FWIW,
I looked through our regtests searching for { r4. } in simultaneous music and found only:
dot-column-rest-collision.ly
dots.ly
merge-rests-engraver.ly
rest-dot-position.ly
merge-rests-engraver.ly is the single one with three voices
I then modified rest-dot-position.ly :
mus = { r\longa. r\breve. r1. r2. r4. \once \override Rest.style = #'classical r4. r8. r16. r32. r64. r64. } vI = \new Voice { \override Rest.color = #red \voiceOne \mus } vII = \new Voice { \override Rest.color = #green \voiceTwo \mus } vIII = \new Voice { \override Rest.color = #cyan \voiceThree \mus } vIV = \new Voice { \override Rest.color = #yellow \voiceFour \mus } { \set Score.timing = ##f \set Staff.instrumentName = #(lilypond-version) \mus \bar "" \break << \vI \vII >> \bar "" \break << \vI \vII \vIII >> \bar "" \break << \vI \vII \vIII \vIV >> }
If you look at the output you see dots moving depending on \voiceXxxx
To make it more obvious colors are applied.
So far I the results are not random, though I always checked in-file and not running the regtests.
Maybe of some help, though.
Btw, some output is really poor, imho, see the dots for short rests in the outer voices.
[issues:#5217] random results for the merge-rests-engraver regression test
Status: New
Created: Fri Oct 20, 2017 07:28 AM UTC by Knut Petersen
Last Updated: Sat Oct 21, 2017 10:58 AM UTC
Owner: Knut Petersen
Attachments:
There is some randomness in the placement of dots. The merge-rests-engraver.ly regtest (git-version557dc7) exposes the problem as the output might be one of the two attached pngs. The probability for both results is identical on my system.
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