Re: PATCH: Issue 638 Autobeaming

[David Kastrup]

Carl Sorensen <address@hidden> writes:

> On 12/18/09 9:52 AM, "Trevor Daniels" <address@hidden> wrote:
>
>> 
>> 
>> Carl, you wrote Friday, December 18, 2009 4:21 PM
>> 
>>> On 12/18/09 2:49 AM, "Trevor Daniels" <address@hidden>
>>> wrote:
>>>> 
>>>> A question.  Does your code require autobeaming
>>>> rules to be defined for beams of every possible
>>>> duration?  I ask because the following example beams
>>>> inconsistently, and I'm not sure if this is due to your
>>>> code or differences in the autobeaming rules for 4/4 and
>>>> 2/2 time signatures.  With a32 instead of a64 a64 the
>>>> beaming is fine.
>>> 
>>> The current design is that unless a beaming rule is specified for
>>> a given
>>> duration, the default beaming rule is used.
>> 
>> I mentioned this example because the beaming with
>> your patch is inconsistent when the 64th notes are
>> present because they cause the rule for 32nd notes
>> to be ignored.  This is a change from the previous
>> behaviour.
>
> Actually, the code now correctly breaks the beam in response to the
> rule for the shortest note in the beam, rather than for the *last*
> note in the beam.

If I understood your explanation correctly, your code would not break

{
  \time 2/2
  \repeat unfold 16 c'64  \repeat unfold 16 c'32
  \repeat unfold 16 c'64
}

symmetrically with the current patterns since it would connect the first
two quarters and keep the last two quarters unconnected.

-- 
David Kastrup