Re: Direction of tie from Completion_heads_engraver

[Simon Albrecht]

On 05.02.2016 23:25, Noeck wrote:
> a general upward flip of the ties can be achieved more
> easily with \tieUp

(slaps hand to forehead)
I see, the problem is not the \override, but the \once, or rather the 
moment at which the override is valid. An \override without \once works, 
and even the following works:

%%%%%%%%%%%%%%%%
\version "2.19.36"

\layout {
  \context {
    \Voice
    \remove "Note_heads_engraver"
    \consists "Completion_heads_engraver"
  }
}

\new Voice <<
  { s1 \once\override Tie.direction = 1 s }
  { a'\breve }
>>
%%%%%%%%%%%%%%%%

Thanks for this pointer :-)
Simon