Re: custom engraver in scheme: accessing nested Music object

[Ricardo Wurmus]

On Aug 10, Neil Puttock wrote:
> On 10 August 2011 15:00, Ricardo Wurmus <address@hidden> wrote:
>
> > Is there a way to change that order, or call the note-head-interface
> > function again at the very end for processing a grob?
>
> Acknowledger order depends on the order engravers are \consist-ed (the
> only exception is if you set must-be-last to #t)
>
> If you want to do useful things to the NoteHead, you should wait until
> all the acknowledging has finished, i.e., store the NoteHead grob and
> process the information in a process-acknowledged or
> stop-translation-timestep function.

Thank you very much for the information. This is the bit I must have
overlooked.

> BTW, if you're prepared to wrap the notes in a chord (so you have
> access to 'articulations), you won't even need a scheme engraver (all
> the processing can take place in the NoteHead's stencil callback).

It should be a generic engraver, so I cannot assume that notes will
always be wrapped in a chord. I'll play around with defining a function
for process-acknowledged and see where it leads me.

> Cheers,
> Neil

Best,
Rekado