----- Original Message -----
From: "Andrew C. Smith" <andrewchristophersm...@gmail.com>
To: "Phil Holmes" <m...@philholmes.net>
Cc: "LilyPond User Group" <lilypond-user@gnu.org>
Sent: Monday, November 15, 2010 5:45 PM
Subject: Re: Creating arbitrary lines (or other postscript things)
Have you seen this:
http://lsr.dsi.unimi.it/LSR/Item?id=662
--
Phil Holmes
Thanks--no, I hadn't seen that. I hadn't thought about using glissando
before, actually, because it seems to only take arguments within a single
voice. Plus, I can't seem
to start a text span in one voice and end it in another voice.
Would it make sense to, rather than use glissando or something similar,
create a function that takes a syntax similar to the following:
\lineBegin x y
\lineEnd x y
where x is an index so that \lineBegin and \lineEnd may be matched to one
another (even across the entire score), and y is the note event (with the
NoteHead)
that the line is drawn from. As a default, I could make any \lineBegin that
doesn't have a corresponding \lineEnd sets its \lineEnd to the same as
\lineBegin
(so that the length is 0). At the end of the program, a scheme function
could cycle through each set of pairs and draw a dotted line between each
pair of
coordinates, possibly with make-stencil rather than usurping a glissando.
Does this seem like it's at all reasonable? Storing a list of pairs and
going back later to draw all the lines?
I'm sure it could do - although I doubt it would be used too much and so
even if such an enhancement were formally requested I think it unlikely it
would be implemented any time soon. There is likely to be someone along
here soon who could tell you how to do this in scheme... (Not something I
can do, I'm afraid).
--
Phil Holmes
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