Re: Need some pointers for engravers.

[David Kastrup]

Neil Puttock <address@hidden> writes:

> On 5 August 2010 19:20, David Kastrup <address@hidden> wrote:
>
>> now that we have accordion push&pull symbols in Lilypond, I want to
>> use them.  Tracking things up and down other articulation code I
>> found that its not possible to make the accordion symbols regular
>> articulations (the script engraver will only work with symbols named
>> "scripts.*").  However, it was unlikely that they would work well as
>> normal articulations: the bellows symbols should appear left of any
>> scripts or fingering columns.  So its likely one should use a
>> separate engraver working after the respective others.  There might
>> be special variants that are not placed over a note but rather over
>> the bar preceding it (directly after any rehearsal marks, I'd guess).
>
> It depends on how you want to include the symbols in existing music;
> for example, if you define them as TextScriptEvents, then you could
> simply call them as \push and \pull following notes,

That could be considered slightly unintuitive since the bellows changes
direction at a time less than or equal to note onset.  Nothing that
would worry me all too much.

> or create a context (like Dynamics) to contain a line of symbols
> attached to skips.

I doubt that this would facilitate placing them before, say, a fingering
column.

> If you wanted to use an engraver, you'd probably need to think about
> sending an event to represent the push/pull, but it ultimately would
> end up generating a TextScript.

What are fingerings?

-- 
David Kastrup