Re: Compound Slurs

[Urs Liska]

Am 24. September 2016 00:29:17 MESZ, schrieb Pierre Perol-Schneider 
<address@hidden>:
>Hi Urs,
>
>Here's an attempt with a Ravel piece.
>See: http://notat.io/download/file.php?id=208
>First attempt...

Nice to see. I'd maybe try to make the edges a bit rounder, but ok, there's nit 
much space.

>On thing: why not multiply the X-ratio by a factor of 10? It is
>sometimes
>confusing compare to the Y-offset.

I had this idea as well, but I thought a range from 0 to 10 would actually be 
inconsistent. Why take 10 then an not 100? Or xF?
I think it *is* the ratio and it should be treated like it.

>Anyway, this is a really nice tool. Again, thanks for sharing this.

If someone would like sharing a rendering of one of the relevant systems of 
Gaspard I'd be gappy to make that the "official" example.

Urs

>
>Cheers,
>Pierre
>
>
>2016-09-22 18:32 GMT+02:00 Pierre Perol-Schneider <
>address@hidden>:
>
>> Ok, I got it.
>> Thank you very much Urs.
>> Cheers,
>> Pierre
>>
>> 2016-09-22 16:54 GMT+02:00 Pierre Perol-Schneider <
>> address@hidden>:
>>
>>> That's just perfect.
>>> I was anable to get your function yet but the output looks very
>nice.
>>> Thank you Urs.
>>> Cheers,
>>> Pierre
>>>
>>> 2016-09-22 15:44 GMT+02:00 Urs Liska <address@hidden>:
>>>
>>>>
>>>>
>>>> Am 22.09.2016 um 14:26 schrieb Urs Liska:
>>>> > Am 22.09.2016 um 13:39 schrieb Pierre Perol-Schneider:
>>>> >> Hi Urs,
>>>> >>
>>>> >> Really nice, congrats!
>>>> >> One thing: Last year I had a discussion about how to draw flat
>slurs
>>>> >> (see: https://notat.io/viewtopic.php?p=696#p696)
>>>> >> Do you thing you could integrate such option in your function, I
>mean
>>>> a
>>>> >> simple - but really strait - line in between slurs ?
>>>> > That should be possible (within the limits of what Simon
>responded -
>>>> > OTOH Carl Sorensen already mentioned how that could be overcome).
>>>> >
>>>> >
>>>> > I see two alternative approaches, although the second won't
>always help
>>>> > with *that*.
>>>> >
>>>> > a)
>>>> > allow a special value 'straight as an inflection's "angle"
>property.
>>>> > This will then make the handle point to the next point. When the
>angle
>>>> > of the next point is 0 then you should have a straight line.
>>>> > The problem with this is that when the angle is determined the
>next
>>>> > point isn't known yet, and when that next point becomes known the
>>>> > control point left of the current inflection has already been
>>>> calculated.
>>>> > I'll have to look into this, but it should be possible to
>re-calculate
>>>> > the left point.
>>>>
>>>> This was actually quite easy to implement.
>>>> Now you can specify one inflection to have an angle of 'straight
>and the
>>>> next inflection of 0 (zero), which reliably creates a straight line
>>>> between the two (see attached).
>>>>
>>>> You'll see the differing line width, thought, but I hope we'll be
>able
>>>> to solve that as well.
>>>>
>>>> Urs
>>>>
>>>> >
>>>> > b)
>>>> > Currently the angle at an inflection is given as relative to the
>>>> > previous segment's baseline. I like this because it gives quite
>>>> > predictable results, but it could be extended by optional
>behaviours:
>>>> > A general or local option could interpret angles at an inflection
>as
>>>> > relative to the whole slur's baseline, or even as absolute angles
>>>> > (relative to horizontal). This may in *some* cases simplify the
>>>> > construction of flat segments, but I can imagine there are
>situations
>>>> > where this might be useful in general.
>>>> >
>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>>
>>>
>>

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