Re: [SPAM] Re: Exact stem length?

[Urs Liska]

Hi Piaras,

I'm sorry, this has somehow slipped me. Your message had been posted 
last night.

This is already _very_ close to what I had in mind, thank you very much. 
I'll definitely have a closer look and study it.

There are two things I'd like to add:

a)
being able to explicitly define the beam shape. This can be manually 
done by once overriding Beam.positiony, but it should be an optional 
argument to the function.
I would (without already knowing how) add this to the "props" argument 
either by changing this to a list and check if it has two or more 
elements or by checking if the pair is a pair of numbers (as used 
currently) or a pair of pairs (which would represent the current pair 
plus the pair of Beam.positions).

b)
Optionally add a slash because that gesture is often used with a slash. 
No idea yet, but I recall that Gilberto recently worked on that.

I will modify your example so it can be included in the openLilyLib 
snippet repository. We can then go from there to improve and enhance it.

BTW: Does anybody have a good name for that notation?

Thank you very much again.
Urs

Am 26.03.2014 12:10, schrieb Piaras Hoban:
> Hi Urs,
>
> (sent this last night but I seem to have issues getting my messages to the
> list...)
>
> It should do what you want in terms of generating stems.
>
> It's a work in progress and still needs to be able to handle slurs,
> dynamics, articulations, different stem patterns etc...
>
> best wishes,
>
> piaras
>
>
>
>
> On 26 March 2014 08:38, Urs Liska <address@hidden> wrote:
>
> > Am 25.03.2014 13:45, schrieb Fredrik Wallberg:
> >
> >   ...a way to override the distance between notehead and stem...
> > > >
> > >
> > > \override Stem.Y-offset = 2
> > >
> > > (Sorry about the typos in my last message -- I wrote "beam lenghts"; I
> > > meant "stem lengths of beamed notes".)
> >
> > This works basically.
> > The attached image is the result of manually offsetting the stem for every
> > second note (i.e. any repeated pitch) by 0.25.
> >
> > Of course that's an inacceptable amount of manual work for a general
> > solution. I think for a function it would be better to
> >
> > - print the initial pitch
> > - print the last note at its pitch (without notehead of course)
> > - repeat the initial pitch for all intermediate events and
> > - calculate the offsets as a linear function.
> >
> > Urs
> >
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