Re: Accidentals centred above notes

[David Kastrup]

Richard Shann <address@hidden> writes:

> the docs (
> http://www.lilypond.org/doc/v2.18/Documentation/internals/self_002dalignment_002dinterface
>  ) say:
> "
>  self-alignment-X (number)
>
>     Specify alignment of an object. The value -1 means left aligned, 0 
> centered, and 1 right-aligned in X direction. Other numerical values may also 
> be specified. 
> "
>
> which doesn't give much clue as to what the units are... (if I'm looking
> at the right thing)

The units are pretty well-defined.  -1 means left-aligned, 1 means right
aligned.  So moving the entire width of the object from left edge to
right edge implies a difference of 2.

So the unit is half the object width.

-- 
David Kastrup