Re: chord with notes of different duration

[Antheo]

so it seems that chords noted <> does not allow to set individual duration
but << >>  allows it?
That seems the best solution. Is there a way to have this patch make it into
the next version?


David Kastrup wrote:
> 
> David Kastrup <address@hidden> writes:
> 
>> "Marc Mouries" <address@hidden> writes:
>>
>>> Tim Rowe <address@hidden> wrote:
>>>>
>>>> You've made the whole thing look like a quarter-note to Lilypond, but
>>>> persuaded it to show *you* the top note as a half-note. As far as
>>>> Lilypond is concerned, it's still a quarter note but printed "wrongly"
>>>> so it looks like a half-note. It still only occupies the time duration
>>>> of a quarter note, so the bar would be missing a quarter note without
>>>> the skip.
>>>>
>>>> Marc's suggestion is to do it the other way around and make the whole
>>>> thing look to Lilypond like a half-note, so the timing is all just
>>>> fine, but tell it to print the /lower/ notes "wrongly" so they look
>>>> like quarter-notes.
>>>
>>>> Does that make it clearer?
>>>
>>>
>>> Yes I got it but both ways are like a hack. It would be so much better
>>> and logical if lilypond would allow to enter individual duration for
>>> each note of a chord.  This would deserve to be added to the doc.
>>
>> You mean, you'd like something like the following to work:
>>
>> < <<c4 e4 g2>> >
>>
>> But actually, something like
>> \new Voice { << g'4 c''4 e''2 >> }
>> works just fine modulo nonsensical warnings:
>>
>> /tmp/junk.ly:1:25: warning: adding note head to incompatible stem (type =
>> 4)
>> \new Voice { << g'4 c''4 
>>                          e''2 >> }
>> /tmp/junk.ly:1:25: warning: maybe input should specify polyphonic voices
>> \new Voice { << g'4 c''4 
>>                          e''2 >> }
>>
>> Of course, the stems are perfectly compatible.
> 
> With regard to the error messages, the following example is actually
> even more funny:
> 
> \new Voice { << g'\longa c''2 e'' >> << g'\breve c''1 >> }
> 
> I think it would be saner if the message specified (type = 1/4), then it
> could say (type = 2) for a \breve.
> 
> Anyway, the following patch (untested!) would appear to reduce the
> warnings to those cases where they actually make sense.  It does not
> touch the garbled warning message in the case of breve/longa.
> 
> diff --git a/lily/stem-engraver.cc b/lily/stem-engraver.cc
> index d09e3b9..21e8536 100644
> --- a/lily/stem-engraver.cc
> +++ b/lily/stem-engraver.cc
> @@ -134,7 +134,20 @@ Stem_engraver::acknowledge_rhythmic_head (Grob_info
> gi)
>    if (!stem_)
>      make_stem (gi);
>  
> -  if (Stem::duration_log (stem_) != d->duration_log ())
> +  int ds = Stem::duration_log (stem_);
> +  int dc = d->duration_log ();
> +  // Longa, half notes and quarter notes all have compatible stems
> +  if (ds < -1 || ds == 2)
> +    ds = 4;
> +  if (dc < -1 || dc == 2)
> +    dc = 4;
> +  // whole notes and brevis both have no stems
> +  if (ds == -1)
> +    ds = 0;
> +  if (dc == -1)
> +    dc = 0;
> +
> +  if (ds != dc) 
>      {
>        // FIXME: 
>        gi.event_cause ()->origin ()->warning (_f ("adding note head to
> incompatible stem (type = %d)",
> 
> 
> 
> -- 
> David Kastrup
> 
> 
> _______________________________________________
> lilypond-user mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/lilypond-user
> 
> 

-- 
View this message in context: 
http://old.nabble.com/chord-with-notes-of-different-duration-tp29900002p29963263.html
Sent from the Gnu - Lilypond - User mailing list archive at Nabble.com.