Hi,
version 2.19.15:
Is anyone using instrumentSwitch that can explain what the various
variables in addInstrumentDefinition mean?
I don't care about the midi transposition. AFAIK I really only
want the key signature to change automatically when I do an
instrument switch.
In the following example I don't see why the alto (sax) pitch is
an octave higher than the piccolo pitch or why I get the errors except
for the clef change errors. (Both instruments are treble clef so
it seems pointless to show a new treble clef. Therefore I left the
clefGlyph definitions empty.)
Almost everything is copied from NM 1.6.3
\version "2.19.15"
\addInstrumentDefinition #"Piccolo"
#'(
(instrumentTransposition . ,(ly:make-pitch -1 0 0))
(shortInstrumentName . "")
(clefGlyph . "")
(middleCPosition . 1)
(clefPosition . 2)
(instrumentCueName . ,(make-bold-markup "Pic"))
(midiInstrument . "flute")
)
\addInstrumentDefinition #"alto"
#'(
(instrumentTransposition . ,(ly:make-pitch -1 0 0))
(shortInstrumentName . "")
(clefGlyph . "")
(middleCPosition . 1)
(clefPosition . 2)
(instrumentCueName . ,(make-bold-markup "Alto"))
(midiInstrument . "saxophone")
)
\score{
\new Staff \with {
instrumentName = #"Piccolo"
}
\relative{
c''2 r^\markup{to alto}
\instrumentSwitch "alto"
c2
}
}
GNU LilyPond 2.19.15
Processing `swtest.ly'
Parsing...
Interpreting music...
warning: type check for `instrumentTransposition' failed; value `(unquote
(ly:make-pitch -1 0 0))' must be of type `pitch'
warning: type check for `instrumentCueName' failed; value `(unquote
(make-bold-markup "Alto"))' must be of type `markup'
Preprocessing graphical objects...
warning: clef `_change' not found
warning: clef `' not found
warning: clef `_change' not found
Thanks for any help,
Paul Scott
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