Re: Calculate BarLine 'kern to fit with a given stencil-x-extent

[Thomas Morley]

2013/7/10 David Kastrup <address@hidden>:
> Thomas Morley <address@hidden> writes:
>
>> 2013/7/6 Pierre Perol-Schneider <address@hidden>:
>>> 2013/7/5 Pierre Perol-Schneider <address@hidden>
>>>>
>>>>
>>>> kern =x-length*1,4*EXP(-(LN(0,14)/LN(20)*LN(Staff-Size)))
>>
>> So far as I can observe the calculations isn't exact: with higher or
>> lower staff-size values it goes increasingly wrong.
>> Did I something wrong while tranforming your calculation into scheme?
>
> I think the above is just a curve fitting, not a model of what LilyPond
> actually does.  [...]

Well, that's _exactly_ the point.
Why is TextScript/RehearsalMark scaled different than BarLine 'kern
with different staff-sizes and how?
I've no idea what LilyPond does here.

-Harm