Lukas,
On Mon, Jan 9, 2017 at 8:43 AM, David Nalesnik <david.nales...@gmail.com> wrote:
> The new output-attibutes property allows you to create multiple
> attributes, so why not adapt the labeling routines to return something
> like
>
> value of output-attributes = '((name . someGrob) (moment . whenIAm)
> (x-pos . xCoordinate) (y-pos . yCoordinate))
A way to do this is attached.
An excerpt from the SVG:
<g name="StaffSymbol" when="[Mom 0]" x-pos="8.53582677165354" y-pos="-7.552">
-David
\version "2.19.49"
% angle brackets cause SVG error so reformat:
% #<Mom 1> becomes [Mom 1]
#(define (reformat-moment mom)
(let* ((mom (format #f "~a" mom))
(mom (string-drop mom 2))
(mom (string-drop-right mom 1)))
(string-concatenate (list "[" mom "]"))))
% grob name + absolute moment + (system) coordinates should be enough for a unique id...
#(define (get-unique-id grob)
(let ((sys (ly:grob-system grob)))
(list
(cons 'name
(symbol->string (grob::name grob)))
(cons 'when
(reformat-moment (grob::when grob)))
(cons 'x-pos
(number->string (ly:grob-relative-coordinate grob sys X)))
(cons 'y-pos
(number->string (ly:grob-relative-coordinate grob sys Y))))))
assignIDs =
#(let ((grob-names (map car all-grob-descriptions)))
#{
#@(map (lambda (x) #{
\override #(list 'Score x 'output-attributes) = #get-unique-id
#})
grob-names)
#})
{
\assignIDs
a1
\break
a
\break
a
}
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