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Re: lilypond bug in version 2.6.3

From: Mats Bengtsson
Subject: Re: lilypond bug in version 2.6.3
Date: Tue, 25 Oct 2005 15:44:25 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050511

Dylan Nicholson wrote:

tempomarks = {\mark "Allegro" \skip 1*24
 \mark "Andante" \skip 1*32

> Then you can do
> \score{
> \new Staff << \tempomarks \flute >>
> \new Staff \oboe ...
> }
> for the full score and
> \score{
> \new Staff << \tempmarks \oboe >>
> }
> for the instrumental parts.

Hmm...fine, if you only have one or two tempo markings in your whole work!
The only way I can think that this could be made to work reasonably is to maintain a separate staff that just has tempo markings, and then for the full score, merge it with the flute part and violin I part (the usual place above which Tempo markings are shown), but then merge it with all the individual parts separately.

That's exactly what is done in the proposed solution above.

Still a headache.
If there was a way of specifying *which* staves \mark events would appear above (and ideally below also) I would be able to use realistically use lilypond for doing large orchestral scores.

Easy, just add the engraver that handles rehearsal marks to the corresponding
Staff contexts:

 \new Staff {\flute}
 \new Staff \with{\consists "Mark_engraver"}{\corno}

If you want them below the corresponding stave, add a
\override RehearsalMark #'direction = #down

And note, you need a reasonable amount of control here - there might be some systems that have only, say, a flute staff and a violin I staff (all other staves are tacet and hidden), but in this case, you don't really need the tempo marking to appear above both. Typically you would only show it if at least 3 or so staves appeared between the top visible staff and the violin I staff. And often in big choral works the tempo markings will be shown again above the choir staff (but only when the choir staff is present obviously). Nor is it uncommon to have tempo markings/rehearsal numbers etc. etc. appear below the bottom of the score - even if there are only two staves in a system.

I haven't tried it, but the marks should vanish if the corresponding stave is removed from a score line. Of course, for more fuzzy rules like "it should not be printed if
at least so and so many of these are shown" it's harder to automate.


        Mats Bengtsson
        Signal Processing
        Signals, Sensors and Systems
        Royal Institute of Technology
        SE-100 44  STOCKHOLM
        Phone: (+46) 8 790 8463                         
       Fax:   (+46) 8 790 7260
        Email: address@hidden
        WWW: http://www.s3.kth.se/~mabe

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