Hi James, On Fri, Apr 20, 2012 at 3:32 AM, James Harkins <[email protected]> wrote:
> Maybe a simple question: Is there a way to flatten the curve of a tie that > is as easy as overriding "ratio" for slurs? You can override 'ratio for ties too: \override Tie #'details #'ratio = #0.2 Another possibility is to override 'height-limit: \override Tie #'details #'height-limit = #0.75 I found "control-points" and this does change the tie's shape. But, I don't > need to modify the x-extent, only the y-extent. It looks to me as if > overriding the control points means that I would have to re-edit the > control points by hand if horizontal spacing changes (which could happen, > say, if I take the piece to the US and have to change the paper to letter > size instead of A4). > > I found TieColumn's Y-extent property, but overriding it like this takes > no effect: > > \once \override TieColumn #'Y-extent = #'(1 . 1.5) > > Also doesn't change the result in any way if the pair of numbers is > reversed: (1.5 . 1). > > Searched LSR for "tie," didn't find anything quite like this. I'm fairly > sure a scheme function could handle it, but I'm probably a good year or two > away from being able to attempt something like that on my own. > > As far as easier control of 'control-points goes, you can modify http://lsr.dsi.unimi.it/LSR/Snippet?id=639 like so: shapeTie = #(define-music-function (parser location offsets) (list?) #{ \once \override Tie #'control-points = #(alter-curve offsets) #}) #(define ((alter-curve offsets) grob) (let ((coords (ly:tie::calc-control-points grob))) (define (add-offsets coords offsets) (if (null? coords) '() (cons (cons (+ (caar coords) (car offsets)) (+ (cdar coords) (cadr offsets))) (add-offsets (cdr coords) (cddr offsets))))) (add-offsets coords offsets))) \relative c'' { c~ c \shapeTie #'(0 0 0 -0.15 0 -0.15 0 0) c~ c } This way the shape of the tie is modified by offsetting lilypond's default rather than you having to create the control points from scratch. HTH, David
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