Thanks! Mille merci, Jean, I will try it after implementing the corrections from Thomas Morley letter. Will keep in touch with you.
Best, *Леонід - Leonid* On Sun, Nov 21, 2021 at 5:59 AM Jean Abou Samra <j...@abou-samra.fr> wrote: > Hi Leonid, > > Regarding your last request: > > Le 20/11/2021 à 03:17, Leonid Hrabovsky a écrit : > > > > 3) I see (=guess) that tweaking with numerical data of the > > /squiggleLine/ (in order to enlarge it strictly proportionally when > > preserving its angles and/or curvatures) will create the two types of > > horizontal lines I need. But I also need the third line that shall > > look like a tight chain of repeated organ pedal symbols (the arches). > > So is there a way of building such a line? Maybe by building a small > > semicircle and then multiplying it as a variable? > > Do you mean something like this? > > \version "2.22.1" > > #(define-markup-command (draw-horizontal-arches layout props len) (number?) > #:properties ((thickness 0.1) > (arch-length 5) > (arch-height 1.5) > (angularity 0.2) > path-markup) > (interpret-markup > layout > props > (make-path-markup > thickness > (let loop ((x-pos 0.0) > (path-acc '())) > (if (> x-pos len) > (reverse! path-acc) > (loop (+ x-pos arch-length) > (cons > `(rcurveto ,(* 1/2 angularity arch-length) > ,(- arch-height) > ,(- arch-length (* 1/2 angularity > arch-length)) > ,(- arch-height) > ,arch-length > 0) > path-acc))))))) > > \markup \draw-horizontal-arches #20 > > \markup \override #'((thickness . 0.2) > (arch-length . 10) > (arch-height . 3) > (angularity . 0.8)) > \draw-horizontal-arches #20 > > Best regards, > Jean >
