Re: Two questions about note heads

[Mats Bengtsson]

Michael O'Donnell wrote:
> Thanks to Mats for this tip, which also helps me with a similar 
> project (I'm trying to set some old mensural notation just as given by 
> the 15th century copyist, who has somewhat different conventions from 
> those in LilyPond).
>
> So, I managed to set some triangular heads, which I cooked up by 
> rotating one of the shape-note heads.
I hope you have searched the mailing list archives. I seem to remember some
recent discussions related to triangular note heads and the stem attachment
of these.
> Remaining problems:
>
> Get the stems to attach properly (they seem to default to the top center).
>
> Get reasonable spacing between notes (they set with no space in 
> between, but adding \hspace or even \null leads to a lot of space).
>
> Set the thing up globally to replace noteheads throughout a score (and 
> take care of the other stuff) according to the note duration. I expect 
> that I need to expand Mats' over-ride for stencil to a piece of 
> conditional Scheme code.
>
> I'll figure this all out eventually, but if anybody already knows, a 
> tip will be great.
>
> For the future, it would be great to have a user-settable list of 
> noteheads for each duration as a parameter.
Even better, you can already now specify a Scheme function that determines
what note head to print. The function is specified using the property 
glyph-name
of the NoteHead object and the implementation of the default function
note-head::calc-glyph-name can be found in the file .../scm/output-lib.scm.

  /Mats