Re: Graphical rallentendo

[Jacques Menu]

Hello Lukas-Fabian,

Thanks, didnt’ think of the good old empty chord trick!

JM

> Le 2 févr. 2022 à 13:36, Lukas-Fabian Moser <lfm@gmx.de> a écrit :
> 
> Hi Jacques,
> 
>> Is there a more natural way of obtaining this result than with a sequence of 
>> shorter and shorter skips?
> 
> The following seems to work here:
> 
> \version "2.23.5"
> 
> \relative c''' {
>   \time 6/8
>   <<
>     {
>       g8 ^\markup {\italic "rit." }  g4  g8
>       g4  | % 16
>       c8 [  bes8 (  g8 )
>       e8 (  c8 )  bes8 _\laissezVibrer ]
>     }
>     {
>       \once\override TextSpanner.style = #'trill % wave zigzag
>       \once\override TextSpanner.minimum-length = #8
>       \once\override TextSpanner.Y-offset = #-4
>       \once\override TextSpanner.springs-and-rods = 
> #ly:spanner::set-spacing-rods
>       { <> \startTextSpan s2.*2 <> \stopTextSpan }
>     }
>   >>
> 
> }
> 
> If you want the stopTextSpan to happen before the next bar starts, feel free 
> to replace *2 in s2.*2 by a fraction slightly less than 2, for example 127/64.
> 
> In general, I never liked the technique of attaching events that occur at the 
> start of a timestep to spacer rests, and I already changed this in the 
> documentation at some points I think: To  me,
> 
> s2\f s2\> s1\p
> 
> always reads as "before skipping 2, put a \f; then, before skipping another 
> 2, start a diminuendo; then, before skipping a 1, put a \p" which feels like 
> mental roller coaster. It seems much more natural to do
> 
> <>\f s2 <>\> s2 <>\p
> 
> allowing us to read in the natural order: put a \f, then skip 2, then start a 
> diminuendo, etc.
> 
> And of course, with recent development versions, you can even do
> 
> <>\f \after 2 \> \after 1 \p s1*2
> 
> or something like that.
> 
> Lukas
>