Re: Combining \markup and \override in a variable

[David Sumbler]

On Fri, 2016-11-18 at 21:40 +0100, Thomas Morley wrote:
> 2016-11-18 20:36 GMT+01:00 David Sumbler <address@hidden>:
> > 
> > I have a bar which contains 3 notes, e.g.
> > 
> > fs4 ds as' |
> > 
> > It comes after a passage which is pizzicato, but the 2nd and 3rd
> > notes
> > of this bar need to be arco.  However, a normal "arco" marking over
> > the
> > d sharp does not make it sufficiently clear that that is what is
> > intended: particularly because of some earlier passages, a player
> > might
> > easily think that the arco applies only to the 3rd note.
> > 
> > So I have a marking
> > 
> > larco = \markup { \larger \italic "┌ arco" }
> > 
> > The extra character is intended to make it clear that the 2nd note
> > of
> > the bar has to be played arco.  In order to do that, the mark needs
> > to
> > be moved to the left so that the little bracket clearly includes
> > the
> > note, rather than pointing directly to it.
> > 
> > So that bar is now
> > 
> > fs4 \once \override TextScript.self-alignment-X = #-0.6 ds^\larco
> > as' |
> > 
> > This works well.
> > 
> > My question is this: is there some way to include the position
> > override
> > or a tweak within the definition of "larco", so that I don't have
> > to
> > add it separately every time I use the marking?
> > 
> > I have tried a number of experiments with this, but so far I
> > haven't
> > figured out how to get it to work.
> > 
> > David
> > 
> 
> 
> Hi David,
> 
> there are many possibilities, here two of them
> 
> larco = \tweak self-alignment-X  #-0.6 -\markup { \larger \italic "┌
> arco" }
> 
> {
>   f4 d^\larco a'
> }
> 
> larcoII = \markup { \translate #'(-0.8 . 0) \larger \italic "┌ arco"
> }
> 
> {
>   f4 d^\larcoII a'
> }
> 
> Both could be turned into a function with argument(s) for the amount
> of moving and the markup itself.
> Probably even an automagically procedure could be set up to take the
> extent of the NoteColumn into account, which is ofcourse variable,
> with respect to suspended NoteHeads and Accidentals.
> 
> Cheers,
>   Harm
> 
> P.S. Please post always a minimal and _compilable_ example, including
> the LilyPond-version you use.

Thanks for that.  I see now that this is to some extent related to a
question I asked a couple of weeks back, which you kindly answered.
 Again I was omitting a "-" where one is needed: in this case, before
the \markup if the tweak is placed before it.

I need to study this (and the previous answer) to see if I can fathom
out the logic of it all.

The solution with \translate is simpler, of course - I should have
discovered this method for myself, but stupidly it didn't occur to me
that there might be such an easy way to move markups around.

David