Re: Triplets

[Noeck]

Hi Martin,

please note that you have to replace the double backslashes by a single
one and mind the line breaks in the e-mail.

Here is a version that works for me (2.19.50).

Best,
Joram


tupletBracketToSlur = {
  % Use slur-stencil
  \override TupletBracket.stencil = #ly:slur::print
  %% Use 'thickness from Slur
  \override TupletBracket.thickness = #1.2
  %% 'control-points need to be set
  \override TupletBracket.control-points =
    #(lambda (grob)
      (let* ((x-pos (ly:grob-property grob 'X-positions))
             (pos (ly:grob-property grob 'positions))
             (x-ln (interval-length x-pos))
             (dir (ly:grob-property grob 'direction))
             ;; read out the height of the TupletBracket, may be
             ;; negative!
             (height (- (cdr pos) (car pos)))
             ;; height-corr is introduced because sometimes the shape
             ;; of the slur needs to be adjusted.
             ;; It is used in the 2nd/3rd control-point.
             ;; The value of 0.3 is found by trial and error
             (height-corr (* 0.3 dir height))
             (edge-height (ly:grob-property grob 'edge-height
                           '(0.7 . 0.7)))
             (pad 1.0))
        (list
          ;; first cp
          (cons
            (+ (car x-pos) 0.5)
            (- (+ (* dir pad) (+ (car pos) (* -1 dir
                     (car edge-height))))
              (if (= dir -1)
                  (if (> height 3)
                    (/ dir 2.0)
                    0.0)
                  (if (< height -3)
                    (/ dir 2.0)
                    0.0))))
          ;; second cp
          (cons
            (+ (car x-pos) (* x-ln 1/4))
            (+ (* dir pad) (+ (car pos) (* dir (+ 0.5 height-corr)))))
          ;; third cp
          (cons
            (+ (car x-pos) (* x-ln 3/4))
            (+ (* dir pad) (+ (cdr pos) (* dir (- 0.5 height-corr)))))
          ;; fourth cp
          (cons
            (- (cdr x-pos) 0.5)
            (+ (* dir pad) (+ (cdr pos) (* -1 dir (cdr edge-height)))))
        )))
  \override TupletBracket.staff-padding = #'()
  #(define (invert-direction x) (if (eq? UP
(ly:tuplet-bracket::calc-direction x)) DOWN UP))
\override TupletBracket.direction = #invert-direction
}


\layout { \tupletBracketToSlur }

{ a a \tuplet 3/2 { a8 a a }  a4 }