On 20.12.2015 00:45, Chris Yate wrote:
I can't get /alterBroken to work properly at all on control points.
When I try the "tweak" version, that I assume would look like:
<code>
r4.
d,16-\alterBroken control-points #'(((0.0 . 0.0) (0 . 1.2) (0 . 1.2)
(4 . 1)) ((0.0 . 0.0) (0 . 1.2) (0 . 1.2) (4 . 1)) ((0 . 4.0) (0 .
3) (0 . 1) (0 . 0)) )
(f af cf af bf |
</code>
.... then the slur only appears as a small, and odd-shaped squiggle by
the first note d. Editing these control points is a bit of hit and
miss anyway, but I don't feel I understand the syntax for \alterBroken
well enough; there are too few examples at present!
The big advantage of the shape command is that you can give offsets for
each control point against the default shape. The control-points
property however has every point coded relative to the reference point
for the entire slur (the note head of the first note in the slur, I
think), which often makes numbers very high and trial and error very
time-consuming.
The second argument to \alterBroken is a list. Each of its elements will
be applied to one of the segments of the broken spanner. If you supply
less entries than there are segments, the remaining segments will not be
tweaked.
HTH, Simon
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