[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5412 modern-straight-flag and flat-flag should correspond to beams in thickness and gap

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If I’m not mistaken the gap changes for more more than three beams to ensure that the beams cover the staff lines. This should be considered for flags too.

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[issues:#5412] modern-straight-flag and flat-flag should correspond to beams in thickness and gap

Status: Accepted
Created: Wed Sep 05, 2018 06:23 PM UTC by Simon Albrecht
Last Updated: Wed Sep 05, 2018 06:23 PM UTC
Owner: nobody
Attachments:

• flat-flag.ly (246 Bytes; text/x-lilypond)
• flat-flag.png (11.8 kB; image/png)
• modern-straight-flag.ly (257 Bytes; text/x-lilypond)
• modern-straight-flag.png (16.0 kB; image/png)

Reported by edes:

For some reason, when using modern-straight-flag or flat-flag, flags are
much thicker than normal beams, and the distance is also much bigger.

Straight and flat flags were widely used by modern composers like Pierre
Boulez and Karlheinz Stockhausen, and in all cases flags were treated like
beams, with the same distance and the same width.

Please see the attached examples and images (I'm using 2.21.0 from git).

BTW, the first flag does not align with the end of the stem.

%%%% flat-flag.ly
\version "2.21.0"

\layout {
  \context {
    \Score
      \override Flag.stencil = #flat-flag
  }
}

\relative c' {
<<
  { 
    r8. d'16 d d d d  d r8 r32 d32 d[ d d d] d32 r16. }
  \\
  { r8. g,16 g g g g  g r8 r32 g32 g[ g g g] g32 r16. }
>>
}

%%%% modern-straight-flag.ly
\version "2.21.0"

\layout {
  \context {
    \Score
      \override Flag.stencil = #modern-straight-flag
  }
}

\relative c' {
<<
  { 
    r8. d'16 d d d d  d r8 r32 d32 d[ d d d] d32 r16. }
  \\
  { r8. g,16 g g g g  g r8 r32 g32 g[ g g g] g32 r16. }
>>
}

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