Re: custom compound time signature

[Thomas Morley]

2012/6/4 David Kastrup <address@hidden>:
> David Kastrup <address@hidden> writes:
>
>> Thomas Morley <address@hidden> writes:
>>
>>> 2012/6/2 diekunstderfuge <address@hidden>:
>>>>
>>>> Hi all,
>>>>
>>>> I'm trying to achieve the compound time signature seen in the image here:
>>>> http://old.nabble.com/file/p33950720/custom_time_signature.png
>>>>
>>>> As you can see, it's meant to represent 3 bars of 2/4 grouped together as
>>>> one bar. My plan was to write it as one bar of 3/2 and then override the
>>>> time signature stencil.
>>>>
>>>> First, I've used this snippet ( http://lsr.dsi.unimi.it/LSR/Item?id=272
>>>> http://lsr.dsi.unimi.it/LSR/Item?id=272 ) to create a "dummy" staff with
>>>> only the time signatures. (For some reason, \numericTimeSignature does not
>>>> seem to work inside of the TimeSig context. Does anyone know why?)
>>>
>>> Have a look at /ly/property-init.ly. where \numericTimeSignature is defined:
>>> numericTimeSignature = \override Staff.TimeSignature #'style = #'numbered
>>>
>>> But now you're using a new custom-defined context: "TimeSig"
>>> Replace Staff with TimeSig and it will work.
>>
>> It is much more straightforward to add
>> \alias "Staff"
>> to the definition of the TimeSig context.  Then any overrides for Staff
>> issued within TimeSig will not get handed upstairs.
>>
>> This should probably be added to the LSR snippet: while it does not in
>> itself require it currently, it is likely to cause irritation like
>> here.
>
> Since I got no further reply on this suggestion, here is the respective
> code that should work as expected.
>
> \layout {
>  \context {
>    \type "Engraver_group"
>    \consists "Time_signature_engraver"
>    \consists "Axis_group_engraver"
>    \name "TimeSig"
>    \alias "Staff"
>    \override TimeSignature #'font-size = #3
>    \override TimeSignature #'break-align-symbol = ##f
>    \override TimeSignature #'X-offset =
>      #ly:self-alignment-interface::x-aligned-on-self
>    \override TimeSignature #'self-alignment-X = #CENTER
>    \override TimeSignature #'after-line-breaking =
>      #shift-right-at-line-begin
>  }
>  \context {
>    \Score
>    \accepts TimeSig
>  }
>  \context {
>    \Staff
>    \remove "Time_signature_engraver"
>  }
> }
>
> timeSignatures = { \numericTimeSignature \time 2/4 s2 \time 3/4 s2. \time 4/4 
> s1 }
>
> \score {
>  <<
>    \new TimeSig \timeSignatures
>    \new Staff \relative { c'2 c2. c1 }
>    \new Staff { a2 a2. a1 }
>  >>
> }
>
> --
> David Kastrup

Hi David,

sorry for the late reply and many thanks for your effort.

I changed http://lsr.dsi.unimi.it/LSR/Item?id=272 following your suggestion.

-Harm