Re: Proposed horizontal spacing adjustment [was Re: film score example]

[Marc Hohl]

Am 14.09.2013 20:54, schrieb David Kastrup:
> PMA <address@hidden> writes:
>
> > Jim Long wrote:
> > > I suppose that, by extension, this means that a factor of #0.0
> > > means the layout would have no spacing at all, and all glyphs
> > > would be engraved over the top of each other in one big blob, and
> > > a factor of #-1.0 would mean that the glyphs are engraved
> > > normally, but spaced right-to-left.  For the sake of
> > > reasonableness/sanity, perhaps Lily might just disallow factors<
> > > or perhaps even<= 0, unless someone can make a compelling use
> > > case for non-positive spacing factors.
> > > _______________________________________________
> > > lilypond-user mailing list
> > > address@hidden
> > > https://lists.gnu.org/mailman/listinfo/lilypond-user
> > Unless we'd prefer to make >0 expand,
> > <0 contract, and =0 change nothing).
>
> And to get right-to-left, you then set the value to i*pi.  And
> bottom-to-top is i*pi/2.

What about using Quaternions here? ;-)