Hi,
I am writing an application to take the results of musical performance
analysis and plot them above the score produced by Lilypond. I need to be
able to trace which graphic elements in the svg file relate to which notes in
the input file. Using svg also allows a certain amount of interactivity in
the display which would be more difficult to achieve with ps/pdf.
Would it be possible to add support for metadata tags in Lilypond's svg
output? An example:
% lilypond file
{
c' \svgmetadata {mynamespace notestarttime 0.12345}
}
% end
<!-- xml snippet !-->
<g
transform="translate(22.9263719527559, 18.8286614173228)">
<text
style="font-family:Emmentaler;
font-style:20;
font-size:4.0;
text-anchor:west;"
fill="currentColor">
<tspan>
<metadata>
<mynamespace:notestarttime>
0.12345
</mynamespace:notestarttime>
</metadata>

</tspan>
</text>
</g>
NB: According to the w3c SVG 1.1 spec
(http://www.w3.org/TR/SVG11/metadata.html):
"The contents of the 'metadata' should be elements from other XML namespaces."
Thanks,
Stuart
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