Am Fr., 27. Mai 2022 um 11:22 Uhr schrieb Thomas Morley <thomasmorle...@gmail.com>: > > Hi, > > lsr-snippet "Variable bow thickness depending on length" > https://lsr.di.unimi.it/LSR/Item?u=1&id=1028 looks at 'control-points > to calculate a modified thickness. > > For recent lily-versions this throws > programming error: cyclic dependency: calculation-in-progress > encountered for Slur.thickness > as soon as 'control-points are called in a thickness-override. > > Stripped down example: > > \version "2.23.9" > > { > \override Slur.thickness = > #(lambda (grob) > ;; all of below trigger the programming error > (ly:slur::calc-control-points grob) > ;(ly:grob-property grob 'control-points) > ;((assoc-get 'control-points (ly:grob-basic-properties grob)) grob) > 2) > > b1( b') > } > > I think I can make it work with an override for 'after-line-breaking > (calling 'control-points, set 'thickness to the result of calculations > based on the 'control-points and finally redo setting > 'control-points). > > Is there a better way? > > Thanks, > Harm
Snippet "Modifying a slur by offsetting the positions property" https://lsr.di.unimi.it/LSR/Item?u=1&id=748 had a similar problem. I fixed it in s similar way. (Old code is still there, but commented for now) Cheers, Harm
