Hello,
I sent this mail yesterday with the graphics attached, but it did not
appear in the mailing list. I resend it with an link to the graphic at a
web server. Hope this passes the moderation.
I write a piece with where are a lot of triplets in one variation. It
looks nice to have the beaming in the same length as the triplets as it
is done in the hand writing original.
I found in the manual (1.2.4 Beams) that I can manually set beaming. But
since the piece has a regulare structure (almost only triples), I wanted
to use automatic beaming. Unfortunately I did get i working. I attach
the samples in one file (tuplet.ly) with some samples. The handwritten
original score is placed here: http://dj1na.gmxhome.de/pg-0009.JPG
Sample:1 got from the manual works, shows the use of beatGrouping.
Sample:2 I modified it using beatLength, shows that automatic beaming
works with triplets.
Sample:3 This is an excerpt of the "real score", but using manual
beaming. The object is to setup automatic beaming, that it produces the
same output.
Sample:4 My Playground, where no combination of beatLength and
beatGrouping gave any acceptible result.
Can you tell we, what must I do to fix this?
Best Regards,
Helge
\version "2.11.63"
\include "deutsch.ly"
% sample:1
% from snippet repository, two explicit voices, works fine
\score {
\new Staff <<
\time 7/8
\new Voice {
\relative c'' {
\set Staff.beatGrouping = #'(2 3 2)
a8 a a a a a a
}
}
\new Voice {
\relative c' {
\voiceTwo
\set Voice.beatGrouping = #'(1 3 3)
f8 f f f f f f
}
}
>>
% \layout { \context { \Staff \consists "Measure_grouping_engraver" } }
}
% sample:2
% based on snippet repository shows beatGrouping with triplets, works fine
% but give unexpected behavior, when the \time is changed to 4/8 or 2/4
\score {
\new Staff <<
\time 7/8
\new Voice {
\relative c'' {
\voiceTwo
\set Staff.beatLength = #(ly:make-moment 1 8)
\times 2/3 { a16 a a } \times 2/3 { a a a }
}
}
>>
% \layout { \context { \Staff \consists "Measure_grouping_engraver" } }
}
% sample:3
% "real score", manual beaming, works
% but this requires manual beaming for all measures
\score {
\relative c'' {
\clef treble \key as \minor \time 2/4
<< { r8 ces r ces }
\\
{ \times 2/3 { r16 as[ b] }
\times 2/3 { ces[ b as] }
\times 2/3 { s as[ b] }
\times 2/3 { ces[ b as] }
}
>>
}
\layout { \context { \Staff \consists "Measure_grouping_engraver" } }
}
% "real score", automatic beaming, does NOT work
\score {
\relative c'' {
\clef treble \key as \minor \time 2/4
% \set Staff.beatLength = #(ly:make-moment 1 8)
% \set Staff.beatGrouping = #'(2 2 2 2 2 2 2 2 )
\set Staff.beatGrouping = #'(8 8 8 8)
<< { r8 ces r ces }
\\
{ \times 2/3 { r16 as b }
\times 2/3 { ces b as }
\times 2/3 { s as b }
\times 2/3 { ces b as }
}
>>
}
\layout { \context { \Staff \consists "Measure_grouping_engraver" } }
}
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