Re: How to prevent slur from breaking?

[Thomas Morley]

2014-05-03 16:57 GMT+02:00 Karol Majewski :
> Thanks Harm!
>
> \omitLastBrokenSlur is what I need! Anathoer useful command to my collection 
> :-)
>



Seems I always forget about alterBroken ...
You can make it work with:

#(define get-stil
  (lambda (grob)
(let* ((function (assoc-get 'stencil
 (reverse (ly:grob-basic-properties grob
   (stil (if (procedure? function)
 (function grob)
 #f)))
stil)))

omitLastBrokenSlur =
\alterBroken stencil #`(,get-stil #f) Slur

Note a difference between both codings:
My suggestion from previous mail will affect the _last_ slur-part, the
code above the _second_ slur-part.
Thinking of a Slur spread over three or more lines, both codings will
cause different output.


Cheers,
  Harm

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Re: How to prevent slur from breaking?

[Karol Majewski]

Thanks Harm!

\omitLastBrokenSlur is what I need! Anathoer useful command to my collection :-)




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Re: How to prevent slur from breaking?

[Thomas Morley]

Hi Karol,

2014-05-03 14:15 GMT+02:00 Karol Majewski :
> Hi.
>
> When it comes to create slur over repeat (volta), I use this trick:

hmm, your example shows no repeat ...

>
> http://lilypond.org/doc/v2.19/Documentation/notation/modifying-shapes#modifying-ties-and-slurs
>(see: Specifying control points explicitly)
>
> But when slur is created just before line break, it appears also in the next 
> line, which of course is not what I want.
>
> {
> c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 -\tweak control-points 
> #'((-46 . 7) (-31 . 8) (-9 . 9) (0.75 . 7)) ( <> ) c'1 c'1 c'1 c'1 c'1 c'1 
> c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1
> }
>
> How to prevent this?
>
> --Karol

It's not clear to me what you want.
Do you want the tweak applied only to the Slur form first line?
Or do you want no Slur in second line at all?

In first case use \shape as a tweak.
In second you may want to use 'omitLastBrokenSlur' as defined below.

\version "2.19.4"

omitLastBrokenSlur =
\override Slur.after-line-breaking =
 #(lambda (grob)
   (let* ((orig (ly:grob-original grob))
  (siblings (ly:spanner-broken-into orig)))
   (if (and (not (null? siblings))
(equal? grob (car (last-pair siblings
   (ly:grob-set-property! grob 'stencil #f

{
%\omitLastBrokenSlur
%% some crazy values :)
c'1 -\shape #'((0 . 7) (0 . 10) (0 . 1) (0 . 10))
^( %% set directions with ^ or _
\break
<> ) c'1
}

HTH,
  Harm

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Odp: How to prevent slur from breaking?

[Karol Majewski]

OK, so I've tried:

\alterBroken transparent #'(#f #t) Slur

and it works quite well. The only problem is that transparent object is still 
there, therefore takes space. Better solution would be:

\alterBroken stencil #'(#t #f) Slur

But It doesn't work...



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How to prevent slur from breaking?

[Karol Majewski]

Hi.

When it comes to create slur over repeat (volta), I use this trick:

http://lilypond.org/doc/v2.19/Documentation/notation/modifying-shapes#modifying-ties-and-slurs
   (see: Specifying control points explicitly)

But when slur is created just before line break, it appears also in the next 
line, which of course is not what I want.

{
c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 -\tweak control-points #'((-46 
. 7) (-31 . 8) (-9 . 9) (0.75 . 7)) ( <> ) c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 c'1 
c'1 c'1 c'1 c'1 c'1 
}

How to prevent this?

--Karol
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