Am 25.05.2018 um 07:44 schrieb Federico Bruni:
...
How do you use it all the above in combination with lyluatex?
I think this should be transparent. lyluatex will assign an arbitrary
first page number (i.e. the page it assumes the score will start),
then the above function will offset the TOC entries to be based on
"1", and \includepdf will translate them back to whatever page
they'll *actually* happen to be on in the end.
Thanks for the detailed explanation.
However, I cannot make it work with lyluatex.
You wrote that you wanted to use lyluatex to include the lilypond file
(not the PDF), in order to use the cache system.
I'm not sure this is what you need, but you should look up raw-pdf
and the section about wrapping commands in the manual.
the
urs
I've read the sections "Providing raw filenames" and "Wrapping Raw PDF
Filenames" of lyluatex manual and I'm still scratching my head...
Nevermind, I'll use the \includelilypond command of the Usage manual.
This last comment about using \lilypondfile "instead" makes me think you
got something wrong about the idea of the raw-pdf option. I don't really
see what you want to achieve, and maybe this isn't even relevant to your
use case. However, I'd like to clarify that.
Generally what happens when you pass LilyPond code to lyluatex is the
following (and it basically doesn't matter if you use \lily, the
environment or \lilypondfile:
* The LilyPond code is passed on to the Lua module
* There it is processed, and a Score is compiled using LilyPond
* In that proces a filename is generated from the hashed contents of
the score
* Finally some sort of a \includegraphics or \includepdf command is
"written" back to LaTeX, using the generated hash name.
When Lua "writes" back to the TeX domain this is what LaTeX "sees"
for its typesetting procedure. That means the LilyPond code is
essentially replaced with the code to include the resulting score.
However, there are contexts where you need more control over how the
score is integrated into the text document. For example when you want to
provide a custom figure environment and wrap the score in it. Or when
you want to make use of a .toc file you created here. Or when you don't
want to immediately include the score but just use lyluatex to create
and cache the scores, for example in order to produce a set of parts
from one input document.
In that case you can use the option raw-pdf. This does the following:
* Process the LilyPond code and create the score (as above)
* Generate the hash filename (as above)
* Do *not* write back the code to include the score in the current
document!
* Instead write back code that populates the macro \lyscore{} with the
cached filename (there are further options for multiple
pages/systems, but for now the basic functionality is sufficient)
Once the lyluatex command has completed you can access the filename of
the current score through \lyscore{}, e.g.
\includepdf[pages=-]{lyscore{}}
and start creating your custom solutions from there.
HTH
Urs
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