Re: question about ottava spanner

[Thomas Morley]

Am Fr., 29. Nov. 2019 um 18:20 Uhr schrieb Jinsong Zhao
<address@hidden>:
>
> Hi there,
>
>
>
> In the following MWE, you may notice that the ottava spanner have different 
> behavior. It may be my fault. However, I don’t know how to correct it.
>
>
>
> The first question is why the first ottava spanner extent to the second note? 
> The second question is how to prevent the ottava spanner merging, shown as 
> the last two notes.
>
>
>
> Any suggestion will be really appreciated.
>
>
>
> Best,
>
> Jinsong
>
>
>
> \version "2.19.83"
>
>
>
> \relative{
>
>   \clef bass
>
>   \key g \major
>
>   \time 3/4
>
>   \override Staff.OttavaBracket.direction = #DOWN
>
>   <<
>
>     { s4 <b e g b>2 }
>
>     \\
>
>     {
>
>       \ottava #1
>
>       \set Staff.ottavation = #"8"
>
>       <b, b'>2
>
>       \ottava #0
>
>       \ottava #1
>
>       \set Staff.ottavation = #"8"
>
>       <b b'>4
>
>       \ottava #0
>
>     }
>
>   >>
>
>   \ottava #1
>
>   <b b'>2
>
>   \ottava #0
>
>   \ottava #1
>
>   <b b'>4
>
>   \ottava #0
>
> }

\ottava works for Staff. You told LilyPond to write your entered
Staff-input one octave below. Thus the OttavaBracket _needs_ to span
the upper Voice (although you tweaked it's direction down)

Though, I somehow doubt that's what you intended ...

Cheers,
  Harm