Re: What to do wanting a 4th order Bézier?

[Thomas Morley]

2016-10-09 13:23 GMT+02:00 Urs Liska <address@hidden>:
>
>
> Am 09.10.2016 um 12:07 schrieb Thomas Morley:
>
> 2016-09-18 15:38 GMT+02:00 Simon Albrecht <address@hidden>:
>
> On 18.09.2016 15:15, Kieren MacMillan wrote:
>
> And finally with a better user interface
>
> Under what circumstances would you NOT want the end of one curve to match
> precisely the beginning of the next one?
> If “none”, then I would say an even better user interface would not
> require typing that set of coordinates twice.
>
> I thought about that too – it also makes the data structure less complicated
> if it’s a list of seven pairs. I added the new version to the LSR
> <http://lsr.di.unimi.it/LSR/Item?id=1045>, awaiting approval.
>
> Best, Simon
>
> Hi Simon,
>
> I'm not sure what to do with this snippet.
>
> I had the impression Urs started to implement it in the source. Is
> that true? Urs?
> Otoh, the LSR runs 2.18.0. With this version the lsr-snippet is the
> only available possibility to do slurs this way, warranting it's
> approval, I'd say.
>
> Opinions?
>
>
> I've started an implementation in https://github.com/openlilylib/snippets,
> but with the intention of proposing it for LilyPond proper. My approach
> doesn't require the redundant definition of control points (both doubling
> the start/end and ensuring the two opposing control points are in opposite
> directions), but actually I could even imagine integrating it into the
> \shape function, in a way that allows you to optionally add inflection
> points when shaping a slur.
>
> If it makes a difference (and I can imagine it does) my code will only run
> with latest LilyPond and would unreasonably complicated to backport (due to
> the really useful angle/vector ly:XXX functions that are available now).
>
> Urs
>
>
> Cheers,
>   Harm
>
>

Simon, Urs,

thanks for your replies.
I added a remark/link and approved it as
"Slur with two turning points"
http://lsr.di.unimi.it/LSR/Item?id=1045

Thanks,
  Harm