Re: edition-editor usage

[Jan-Peter Voigt]

Hello Mason,

it is possible to use \shapeII with the edition-engraver :-)
And it sounds like this is the use case the EE is originally meant for.

Yes, the wording is a bit inconsistent and/or irritating. I will try to sum it up:
In the recent versions I used the terms target and context to divide two dimensions. The target names the requested output like for example 'fullscore' or 'violinI-part'. If you "activate" an edition-target with \addEdition violinI-part it uses all modifications that look like
\editionMod violinI-part <measure> <moment> <edition-context> { \shapeII ... }

This is a real example I used inside the piano reduction:
\editionMod klavier 38 0/8 chor.ten.TenorStaff \once \shapeII #'(()(0 . 1)()()) Slur
It means:
with edition-target 'klavier' (the piano reduction) in measure 38 the first eighth apply the shapeII-command inside the context identified by 'chor.ten.TenorStaff'.
Moments are counted zero-based, so the first moment is zero. This might irritating on first sight, but it is meaningful as the distance from the beginning of the measure. The context in the example above is the tenor staff inside the choir-staff.

I think the main point is understanding the three dimensions:
1. the edition-target - that is the condition if to apply the modification ... apply this modification for the score of type T(arget)
2. the edition-context - that is where to apply the modification ... the LilyPond context like Voice, Staff, Score etc.
3. the time - that is the musical timestamp when to apply the modification ... moment X inside measure Y

HTH

I will send more details and information soon!
But for today and tomorrow I wish you a merry Christmas and all the best for 2018!

Jan-Peter

Am 23. Dezember 2017 20:09:29 MEZ schrieb Mason Hock <address@hidden>:

I have a piece in which each performer reads from a version of the score 
with their staff full-sized with the other parts on small staves. This 
pieces also requires a lot of manual tweaking of slurs.

I've been using \shapeII for the slurs, which works great, except that 
if I shape the slur correctly for the full-sized version of the part it 
is shaped incorrectly for the small version of the part and vice versa. 
In order for the slurs to look good in both situations I need two sets 
of \shapeII tweaks.

edition-editor looks like a promising solution, but I'm having trouble 
learning how to use it. The only documentation I can find is the usage 
examples here.

https://github.com/openlilylib/edition-engraver/tree/master/usage-examples

Each example is very specific, which makes it difficult to decode how 
edition-engraver works in general. I guess my questions are

(1) Will edition-engraver work for tweaking slurs with \shapeII?

(2) If so, what should be my approach in terms of organization? My guess 
would be to have 8 editions, a full-size version and small version for 
each of the 4 staves, where each pdf uses 1 full-size edition and 3 
small editions.

(3) How do I make certain 'editions' (at this point I'm questioning 
whether I'm using that term correctly) apply to certain staves in each pdf?

(4) What is the basic syntax for using edition-editor? It's difficult to 
tell from the examples in the repo what is the basic syntax and what is 
extending it.

Thanks to anyone who can clarify.

Mason



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