Thanks Lukas!
This works but also forces the accidental on tied notes.
Best,
Michael
Oct 22, 2023, 10:19 by l...@gmx.de:
>
> Hi Michael,
>
>
> this is easily accomplished with an custom engraver. (I perfectly
> understand that the terms "easily" and "custom engraver" don't seem to
> go well together at first - I thought so for many years as well -, but
> after some getting used to it, the concept is actually quite simple and
> elegant.)
>
>
>
> \version "2.24.0"
>
> forced-accidentals-pitches =
> #(music-pitches #{ bes b #})
>
> #(define (diatonic-pitch-class= p q)
> (and (= (ly:pitch-notename p) (ly:pitch-notename q))
> (= (ly:pitch-alteration p) (ly:pitch-alteration q))))
>
> Force_accidentals_engraver =
> #(lambda (context)
> (make-engraver
> (listeners
> ((note-event engraver event)
> (if (member (ly:event-property event 'pitch)
> forced-accidentals-pitches
> diatonic-pitch-class=)
> (ly:event-set-property! event 'force-accidental #t))))))
>
> \layout {
> \context {
> \Voice
> \consists #Force_accidentals_engraver
> }
> }
>
> \transpose a c' \relative
> {
> a8 gis g fis g gis a4
> }
>
>
>
> Lukas
>
> Am 21.10.23 um 11:37 schrieb Michael Winter via LilyPond user discussion:
>
>> Thanks Jean,
>>
>> I am not sure I completely follow.
>>
>> Lets say I have a music sequence:
>>
>> a b c d e f g a bes c d e f g ...
>>
>> How do I apply what you have written as a function to only show the
>> flats and naturals for b and bes. Again. I do not want to apply this
>> to individual notes.
>>
>> Sorry if I am missing something.
>>
>> Best,
>>
>> Michael
>>
>>
>> Oct 21, 2023, 01:37 by >> j...@abou-samra.fr>> :
>>
>>>
>>> Try
>>>
>>> \displayMusic c'!
>>>
>>> This shows you that the >>> !>>> syntax corresponds to setting
>>> the >>> force-accidental>>> property to true. Thus, if you
>>> have identified the note events you want to force accidentals
>>> on, you can do
>>>
>>> (ly:music-set-property! the-note-event 'force-accidental #t)
>>>
>>> on each of them.
>>>
>>>
>>> Best,
>>>
>>>
>>> Jean
>>>
>>>
>>
>>
