Proposed changes to LSR Snippet 906

[tisimst]

LSR Maintainers,

I'd like to propose the following changes to make  LSR snippet 906
<http://lsr.di.unimi.it/LSR/Item?id=906>   "Orchestral grouping with a
postscript brace"

Current output (using postscript code):

<http://lilypond.1069038.n5.nabble.com/file/n170797/Image.image> 

Proposed code and output (using the built-in braces):

%< ------------------------------------ START SNIP

\version "2.18.2"
%% http://lsr.di.unimi.it/LSR/Item?id=906

% by Kieren MacMillan and P.P.Schneider.
% => http://lists.gnu.org/archive/html/lilypond-user/2013-03/msg00260.html

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% LSR workaround:
#(set! paper-alist (cons '("snippet" . (cons (* 90 mm) (* 120 mm)))
paper-alist))
\paper {
  #(set-paper-size "snippet")
  tagline = ##f
}

\markup \vspace #1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%here starts the snippet:

someMusic = { 
  \tempo "Andante."
  \time 3/4
  \key c \minor
  c'2. r8 
}

\paper { 
  indent = 40 
}

\layout {
  \context {
    \Staff
    \override InstrumentName.font-size = #-1
    \override InstrumentName.extra-offset = #'(6 . 0)
  }
  \context {
    \StaffGroup
    \name ViolinGroup
    \alias StaffGroup
    systemStartDelimiter = #'SystemStartBrace
  }
  \context {
    \StaffGroup
    \name WindGroup
    \alias StaffGroup
    systemStartDelimiter = #'SystemStartBracket
    \override SystemStartBracket.collapse-height = #1
  }
  \context {
    \StaffGroup
    \name StringGroup
    \alias StaffGroup
    \accepts ViolinGroup
    systemStartDelimiter = #'SystemStartBracket
  }
  \context {
    \StaffGroup
    \name OrchestraGroup
    \accepts WindGroup
    \accepts StringGroup
    \remove "System_start_delimiter_engraver"
    instrumentName = \markup { 
      \lower #0.75 \rotate #90 "Orchestra" \hspace #1
      \left-brace #175 \hspace #5
    }
  }
  \context {
    \GrandStaff
    \remove "System_start_delimiter_engraver"
    \accepts OrchestraGroup
    \accepts StaffGroup
    \accepts VocalGroup
  }
  \context {
    \StaffGroup
    \name VocalGroup
    \alias StaffGroup
    systemStartDelimiter = #'SystemStartBracket
  }
}

\score {
  \new GrandStaff <<
    \new OrchestraGroup <<
      \new WindGroup <<
        \new Staff \with { 
          instrumentName = "Oboe" 
        } \someMusic
      >>
      \new StringGroup <<
        \new ViolinGroup <<
          \new Staff \with { 
            instrumentName = "Violino I" 
          } \someMusic
          \new Staff \with { 
            instrumentName = "Violino II" 
          } \someMusic
        >>
        \new Staff \with { 
            instrumentName = "Viola" 
          } { \clef C \someMusic }
      >>
    >>
    \new VocalGroup <<
      \new Staff \with { 
        instrumentName = "Soprano" 
      } \someMusic
      \new Staff \with { 
        instrumentName = "Alto" 
      } { \clef C \someMusic }
    >>
  >>
}

%< ------------------------------------ END SNIP

<http://lilypond.1069038.n5.nabble.com/file/n170797/snippet906-updated.png> 

What do you think? 

I guess it might also need a new name since it doesn't actually use
postscript anymore... There's probably more that could be done to make this
even more automagic, but I'm leaving it at this for now.

-Abraham



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