Han-Wen Nienhuys wrote:
> The proper solution would be to have a special new type of music
> production, something like
>
> \applycontext SCHEME-FUNCTION
>
> which would be a music expression/event, that when executed does
>
> (apply SCHEME-FUNCTION current-translator)
>
> then what you want could be done using
>
> \context Staff
> \applycontext #(lambda (trans)
> (ly-set-trans-property trans centralCPosition
> (+ (ly-get-trans-property trans centralCPosition) 7)))
>
> We could even use this mechanism as a basic way to express various
> other operations, such as barchecks, \property, staff changes,
> etc. Implementing it shouldn't be that hard. Basically, you have to
> implement a new music-iterator that does the gh_call (). Loads of fun
> if you've never written such a beast before :-)
I'll have a look at the end of the semester - i.e. in start of july.
One question though: If one does
\context Voice {
\context Staff {
..
I am pretty sure that the current translator will be Voice and not
Staff...? This is a problem in this case (the ottava statement would
apply to the voice and not the Staff).
-Rune
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