Re: note head extents and event procedures (tabstaff)

[Thomas Morley]

2015-12-22 15:55 GMT+01:00 Steve Fullerton <address@hidden>:
>  I am new to Lilypond and extremely confused. I have been working with
> lilypond tablature and have managed to get everything working except one
> thing.
>
> I need to add an event function that will draw something to the left or
> right of the last tab note head. I know how to do the drawing part using
> postscript, however I can't figure out how to get the extents for the
> current notehead.
>
> In the music I want something like this:  e'4\3\mything
>
> In mything I need something like:
>
> (left-x ...)
> (right-x ...)
> (top-y ...)
> (bot-y ..)
>
> where the x and y refer to the previous tab note head.
>
> I currently do my drawing (to the right of the notehead) starting at x=1.
> This works great for single digit tablature fret numbers (e.g. '1'). However
> as soon as the fret number goes to double digits, x=1 draws right on top of
> the note head.

It's not clear to me what you want achieve.

Could you post your code for "x=1"?

Cheers,
  Harm

>
> Can anyone out there sketch me out a generic event function (or music
> funtion or ???) that starts with the code needed to get the extents of the
> previous note/chord.
>
> Thank you for your help!
>
>
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