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

[Janek Warchoł]

2013/9/15 Janek Warchoł <address@hidden>:
> 2013/9/14 Jim Long <address@hidden>:
>> On Sat, Sep 14, 2013 at 12:14:55PM +0200, Janek Warcho?? wrote:
>>>
>>> I think that we should add to LilyPond a simple, user-friendly
>>> interface that would allow choosing the "density" of music, so that
>>> one could write
>>> \layout { \horizontalSpacingLoose }
>>> and it would result in common-shortest-duration being increased by
>>> some factor.
>>
>> I like this idea, also.  I would suggest that the factor be
>> specified by the user, to make this a fully (or at least, widely)
>> adjustable parameter.  A factor of 1.0 could mean no change.  A
>> factor of 1.1 would increase (loosen) the spacing by 10%, while a
>> factor or 0.9 would tighten the spacing by 10%, etc.
>>
>> \layout { \horizontalSpacingFactor #1.04 }
>
> I'd rather stick to the convention used by font-size and other
> friends, where 0 means "no change".
> I've tried to write a function that would do this, but wasn't able to
> come up with anything in 20 minutes (and i really don't have more time
> to spare).  But i'm sure that for someone more familiar with scheme
> functions (Harm, Davids?) it could be done; David N's generalized
> offsetter could be used as a starting point.

Just for the sake of the archivves: i wrote the function with David N
and announced it here:
http://lists.gnu.org/archive/html/lilypond-user/2013-09/msg00675.html