Re: change regular/staccato/staccatissimo midi duration 2.19.80

[Gianmaria Lari]

On 25 December 2017 at 14:42, Malte Meyn <address@hidden> wrote:

Am 25.12.2017 um 14:22 schrieb Gianmaria Lari:

This code generate some 'regular', staccato and staccatissimo notes:

    \version "2.19.80"
    \score {
       \fixed c' {c8 d e-. f-. g-! a-! r4}
       \midi{}
       \layout {}
    }


Is there any way to change the default duration of 'regular', staccato and staccatissimo notes?

Have a look at the definition of staccato in the file script-init.ly:

staccato = #(make-articulation "staccato"
             'midi-length
             (lambda (len context)
               (moment-min (ly:moment-mul len (ly:make-moment 1/2))
                           (seconds->moment 1/2 context)))
             'midi-extra-velocity 4)

Maybe this can be copied and changed?

Thank you Malte!!!

I had a look to the script-init.ly and then I tried to modify the staccato like this:

\version "2.19.80"

staccato = #(make-articulation "staccato"

             'midi-length

             (lambda (len context)

               (moment-min (ly:moment-mul len (ly:make-moment 1/1))

                           (seconds->moment 1/1 context)))

             'midi-extra-velocity 4)

\score {

  \fixed c' {c8 d e\staccato f-. }

  \midi{}

  \layout {}

}

The result is that "e\staccato" plays perfectly accordingly my changes (in my previous example the staccato became "legato :))

Now some questions:

- What's the difference between the two fractions

(ly:make-moment 1/1)

and 

(seconds->moment 1/1 context)

?

- What's  

'midi-extra-velocity 4

?

- The previous code works for the \staccato but not for the shorthand ".". Any idea how to fix it?

- Any idea how to change also the duration of the 'regular' note (not staccato/staccatissimo etc.)?

Thank you Malte!

g.