Am 18.01.2015 um 19:08 schrieb Thomas Morley:
2015-01-18 18:31 GMT+01:00 Samuel DA MOTA <da.mota....@gmail.com>:
Hi,
On the following documentation, it explains how to create arpeggios
across notes in different voices.
http://lilypond.org/doc/v2.19/Documentation/notation/expressive-marks-as-lines#arpeggio
I tried to tweak the example to get parenthesis arpeggios across
voices, with no success.
Can anyone help me?
--
Samuel DA MOTA
Do you mean?:
\version "2.19.15"
staffArpeggioParenthesis = {
\override Staff.Arpeggio.stencil = #ly:arpeggio::brew-chord-slur
\override Staff.Arpeggio.X-extent = #ly:grob::stencil-width
\revert Staff.Arpeggio.dash-definition
}
\new Staff
\with {
\consists "Span_arpeggio_engraver"
}
\relative c' {
\set Staff.connectArpeggios = ##t
\staffArpeggioParenthesis
<<
\new Voice { \voiceOne <e' g>4\arpeggio <d f> <d f>2\arpeggio }
\new Voice { \voiceTwo <d, f>2\arpeggio <g b>2\arpeggio }
>>
}
The predefined arpeggioParenthesis is made for Bottom-context.
Simply add the correct context to the definition.
Hm.
How should anyone know this or find this out?
From the referenced page from the NR it clearly looks like arpeggios
are exclusively styled using the predefined commands, so when that
doesn't help it's hard to see that it is possible at all.
If you already know that predefined commands are actually shorthands for
overriding grob properties you may think about following the link "See
also: Internals reference" to
http://lilypond.org/doc/v2.19/Documentation/internals/arpeggio
On this page you would have to realize that
stencil (stencil):
ly:arpeggio::print
The symbol to print.
is the property you are looking for, which is far from self-evident IMO
(I would actually expect some property setting a 'style or whatever).
And even if you'd already know that overriding the stencil might be what
you're looking for, how would you know what to use to override it with?
Where is ly:arpeggio::brew-chord-slur documented? In any case nowhere
you'd reach it on that track.
I would consider following the link "arpeggio-interface" to
http://lilypond.org/doc/v2.19/Documentation/internals/arpeggio_002dinterface
but there is absolutely nothing that helps.
Apart from the current example of someone looking for an
arpeggioParenthesis this once more shows how difficult it is to get
one's way through the documentation.
In short: this leads to asking on lilypond-user to be the most promising
approach. Usually you'll get an answer here but I think there should be
ways to make all this information easier to retrieve. Unfortunately I
don't have a clue how one could do that ...
Urs
HTH,
Harm
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--
Urs Liska
www.openlilylib.org
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