Re: Notating same part in two different mixtures of clefs

[Urs Liska]

Am 16.05.2012 09:30, schrieb Christopher Webster:

Thank you!  Of your three proposed solutions, the one with tags looks like the winner.  I didn't know about tags - they look ideally suited.

Yes, that's exactly what they are for.

A feature of your first solution which I would have hoped to avoid is that you do seem to have duplicated notation - the "s1*3" and the "s1*2" - in the source.  Or did I misunderstand what you were suggesting?

Yes, you would have to write out the whole piece for both \voices and apply one or the other.
Whether this makes sense, depends a little bit, whether the clef changes necessarily occur at the same places, which I assume they don't. In this case the solution with separate voices provides you with quite fine control. But you have to manage a separate layer that you don't enter directly into the music.

And the feature of the third solution which I would have hoped to avoid is that I would need to edit and re-process the input to get the output with the other set of clefs.  I was looking for a solution in which one input, processed once, would produce both outputs.

No you don't have to edit the ly-file.
You can write sth like:

music = { ... }

myClefI = { \clef tenor }
myClefII = { \clef bass

\score ... % references \music

% and then redefine the variables
myClefI = { \clef treble }
myClefII = { \clef bass

\score ... % references \music

If your clef layers are independent (as I assume) you could define four variables trebleClef, altoClef, tenorClef, bassClef and leave two of them empty.

music = {
  % contains all four clefs as references.
  % If you have e.g. alto and bass clef at the same time you write
  % \altoClef \bassClef
}
% define clefs for first score
trebleClef = {}
altoClef = {}
tenorClef = { \clef tenor }
bassClef = { \clef bass }

\score { \music } % in this score the treble and alto clefs are just ignored

%then define the clefs the other way roung
% ...
 \score % now the tenor and bass clefs are ignored.

I find this solution looks nicer than with tags, but the functionality is nearly identical.

Only if you consider that the cello might also have a treble clef, this one won't work anymore. But this again is no problem when you work with clefs.

I have come to find the redefinition of variables a _very_ useful concept.

HTH
Urs

But the tags - they look just right!  I'll try those.

Many thanks again

            Christopher.


On 2012-05-16 09:04, Janek Warchoł wrote:

On Wed, May 16, 2012 at 8:53 AM, Christopher Webster
<address@hidden> wrote:

What's the most elegant way in which I can enter the notes just once, but
generate two output scores - one with bass and tenor clefs, the other with
bass and alto clefs?

what about separate voices for clefs?  something like:

<<
  { music }
  { \clef bass s1*3 \clef alto  s1*2 }
  %{ \clef bass s1*3 \clef tenor s1*2 }

you could also try tags
http://lilypond.org/doc/v2.14/Documentation/notation/different-editions-from-one-source#using-tags

Or simply store the clef in a variable - that's probably the simplest method:

myclef = { \clef alto }   % or \clef tenor
{ \clef bass c c \myclef f' f' }

hope this helps,
Janek

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