[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5397 Doc: NR - Measure_grouping_engraver needs beatStructure and baseMoment set as well to work as expected

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On 07/08/18 13:32, Simon Albrecht wrote:

On 07.08.2018 13:08, Thomas Morley wrote:

MeasureGrouping also relies on the actual music rhythmically matching
the beatStructure.

\new Staff \with { \consists "Measure_grouping_engraver" }
{
\time 4/8
a'2
}
Will print only one bracket.

That doesn’t seem helpful, does it? IIUC, Measure_grouping_engraver is supposed to show the properties of the meter regardless of notes, so that a conductor will have a visual aid in cases like

{
  \time 4/8
  a'2
  \time 5/8
  4.~ 4
  \time 6/8
  2.
  \time 3/4
  2.
} 

---

[issues:#5397] Doc: NR - Measure_grouping_engraver needs beatStructure and baseMoment set as well to work as expected

Status: New
Created: Sun Aug 05, 2018 07:37 AM UTC by pkx166h
Last Updated: Wed Aug 08, 2018 07:37 AM UTC
Owner: nobody

Hi,

while playing with the Measure_grouping_engraver
see:
http://lilypond.1069038.n5.nabble.com/changing-symbols-used-by-Measure-grouping-engraver-td215283.html
I noticed ....

I tried to get MeasureGrouping in default 4/4-time, but nothing happened.
One has to set beatStructure and baseMoment accordingly. The current
docs make it sound it should work out of the box, though.

\version "2.19.82"

\new Staff \with { \consists "Measure_grouping_engraver" }
  {
      %% to get MeasureGrouping, next two lines need to be uncommented
    %\set Timing.beatStructure = 4,4
    %\set Score.baseMoment = #(ly:make-moment 1/8)
    \repeat unfold 8 a'8
  }

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