Re: Single line percussion staff with automatic note splitting

[Thomas Morley]

2011/12/11 Thomas Morley <address@hidden>:
> Hi,
>
> 2011/12/11 James <address@hidden>:
>> Hello,
>>
>> On 11 December 2011 09:00, Bart Nagel <address@hidden> wrote:
>>>
>>> Hi. I'm trying to make a single line percussion staff with automatic
>>> note splitting.
>>>
>>> The single staff is confusing but I got it working by following an
>>> example in the documentation. I have this:
>>>
>>>    \version "2.12.3"
>>>
>>>    #(define snaredrum '((snare default #t 0)))
>>>
>>>    \new DrumStaff {
>>>        \override Staff.StaffSymbol #'line-positions = #'( 0 )
>>>        \override Staff.BarLine #'bar-size = #2
>>>        \set DrumStaff.drumStyleTable = #(alist->hash-table snaredrum)
>>>
>>>        \drummode {
>>>            \time 4/4
>>>            sn2.  sn16  sn2.  sn2.  sn4  sn16
>>>        }
>>>    }
>>>
>>> (The notes are just random values.)
>>>
>>> That works, but when I try to add the code to enable automatic note
>>> splitting things go wrong. Following the documentation again I modify
>>> my source to this:
>>>
>>>    \version "2.12.3"
>>>
>>>    #(define snaredrum '((snare default #t 0)))
>>>
>>>    \new DrumStaff \with {
>>>        \remove "Note_heads_engraver"
>>>        \consists "Completion_heads_engraver"
>>>    } {
>>>        \override Staff.StaffSymbol #'line-positions = #'( 0 )
>>>        \override Staff.BarLine #'bar-size = #2
>>>        \set DrumStaff.drumStyleTable = #(alist->hash-table snaredrum)
>>>
>>>        \drummode {
>>>            \time 4/4
>>>            sn2.  sn16  sn2.  sn2.  sn4  sn16
>>>        }
>>>    }
>>>
>>> But now Lilypond exits with a segmentation fault.
>>
>>
>> In 2.14.1 it does but the message is more explicit (I don't know what 2.12.x
>> message is perhaps the same?)
>>
>> --snip--
>>
>> GNU LilyPond 2.14.1
>> Processing `untitled.ly'
>> Parsing...
>> Interpreting music...
>> warning: cannot find property type-check for `bar-size' (backend-type?).
>>  perhaps a typing error?
>> warning: doing assignment anyway
>> Segmentation fault
>>
>> --snip--
>>
>> So that is a clue. Although it is beyond me.
>>
>> regards
>>
>> --
>> --
>>
>> James
>
> engraver-init.ly states, that the "Note_heads_engraver" is removed
> from the DrumVoice per default. Instead the "Drum_notes_engraver" is
> used.
> But
>
>   \new DrumVoice
>   \with {
>       \remove "Drum_notes_engraver"
>       \consists "Completion_heads_engraver"
>   }
>      {
>       \override Staff.StaffSymbol #'line-positions = #'( 0 )
>       \override Staff.BarLine #'bar-size = #2
>       \set DrumStaff.drumStyleTable = #(alist->hash-table snaredrum)
>
>       \drummode {
>           \time 4/4
>           sn2.  sn16  sn2.  sn2.  sn4  sn16
>       }
>   }
>
> gives the same error. So I don't know if it's possible.
>

Sorry, typo !!
Should be
BTW in "2.14" 'bar-size was altered to 'bar-extent (expecting a pair).

> Cheers,
>  Harm