Hi Kieren,
I modified the example for the auto-transpose engraver a bit, so it uses
a music and a global variable. I merged them in one Voice, so that the
cue names are not printed twice. But that is not necessary for the
transposition.
If the music is in concert-pitch and transposed to instrument-pitch midi
is OK. In the other direction print is OK, but midi is wrong.
That is no problem to me, as I mostly enter music in concert-pitch and
just have to display it in instrument pitch.
One thing to take care of: When music is used twice - for example via
repeat unfold - every event is transposed multiple times.
That should be changed.
HTH
time to sleep now ;)
Best, Jan-Peter
Am 09.09.14 14:55, schrieb Kieren MacMillan:
Hi Jan-Peter,
may I again mention the auto-transpose snippet.
Does the key signature get changed automatically, even if the key-signatures
are defined “externally” (i.e., in a variable) and change DURING THE TIME the
player is on the second (or third) instrument?
If so, this would solve a HUGE problem I’ve been struggling with for years.
Thanks,
Kieren.
_______________________
Kieren MacMillan, composer
www: <http://www.kierenmacmillan.info>
email: i...@kierenmacmillan.info
\version "2.18.2"
\include "editorial-tools/auto-transpose/definitions.ily"
\include "editorial-tools/edition-engraver/definitions.ily"
\include "deutsch.ly"
% some music to insert into example
bach = \relative c'' { b a c h }
% add two transposing instrument-definitions
\addInstrumentDefinition #"eb-clarinet"
#`((instrumentTransposition . ,(ly:make-pitch 0 2 -1/2))
(shortInstrumentName . "Es-Kl")
(clefGlyph . "clefs.G")
(middleCPosition . -6)
(clefPosition . -2)
(instrumentCueName . "Es-Kl")
(midiInstrument . "clarinet"))
\addInstrumentDefinition #"b-clarinet"
#`((instrumentTransposition . ,(ly:make-pitch -1 6 -1/2))
(shortInstrumentName . "Kl")
(clefGlyph . "clefs.G")
(middleCPosition . -6)
(clefPosition . -2)
(instrumentCueName . "Kl")
(midiInstrument . "clarinet"))
%%% create demo score
\addEdition transp
\editionMod transp 2 0/1 switch.instrument.Staff.A \instrumentSwitch
"b-clarinet"
\editionMod transp 3 0/1 switch.instrument.Staff.A \instrumentSwitch
"eb-clarinet"
music = { $bach $bach $bach <>^"note get transposed multiple times!" \repeat
unfold 4 c''4 }
global = { \key f \major s1 \key f \major s1 \key f \major s1 }
\score {
\new Staff \with {
\autoTranspose
\consists \editionEngraver switch.instrument
} \new Voice <<
\global
\music
>>
\layout {}
\midi { \tempo 4=150 }
}
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