Re: spacing/breaking with header considered separate from music

[Jean Abou Samra]

Hi Kieren,

Le 25/11/2021 à 16:02, Kieren MacMillan a écrit :
> Hi all,
>
> I've always wanted Lilypond to have the following (related) abilities:
>    1. Consider header and music separately in the spacing/breaking 
> calculations; and


Could you say a bit more? In what respect would
they differ? What kind of settings do you want
to achieve?


>    2. Be able to force systems-on-first-page separately from systems-per-page 
> [et al.].

Sounds like a reasonable feature request. Alternatively:
a setting to define how many systems the global title
counts for.


> Obviously the equivalent behaviour can be accomplished "manually", as I've done 
> in my scores through a tedious combination of bookparts, edition-engraver injections, 
> etc. I'm just inquiring about whether an automagic solution is possible.
>
> In very high-level terms (e.g. "it would touch these general areas of the code; 
> difficulty = x/100"), what would be the scope of the work involved to make this kind 
> of control possible?

The page breaker is the single one area I've
always been afraid of looking at :-)  It's all
C++, the algorithms are not entirely trivial,
and it is very performance-sensitive.

Regards,
Jean