> On 10 Jun 2019, at 17:50, Aaron Hill <lilyp...@hillvisions.com> wrote:
>
> On 2019-06-10 9:12 am, Michael Hendry wrote:
>> I can usually get a reasonable result by tweaking global-staff-size,
>> but here’s an example of the bottom of a page with
>> [ . . . ]
>> Am I tweaking the wrong parameter?
>> Is there a more elegant way of ensuring that a leadsheet fits in one page?
>
> %%%%
> \paper { page-count = #1 }
> %%%%
That didn’t work in the particular file I was working on - a second page was
started.
>
> Whether LilyPond will be happy about that is another thing entirely.
>
> Setting and/or adjusting the global staff size is unlikely to be the correct
> thing since that scales everything. What you probably want is tighter
> spacing rather than physically smaller elements. This falls to using the
> flexible vertical spacing features of LilyPond:
>
> %%%%
> \paper {
> system-system-spacing = #'(
> (basic-distance . 15)
> (minimum-distance . 10)
> (padding . 1)
> (stretchability . 2))
>
> ragged-bottom = ##f
> last-bottom-spacing = #'(
> (basic-distance . 0)
> (minimum-distance . 0)
> (padding . 0)
> (stretchability . 1))
> }
> %%%%
These did the trick, exactly as you wrote them, thanks.
I added the ragged-last-bottom suggested by Simon, and that improved the look
further.
I’ll obviously have to experiment with all of these to get the best result.
Thank you!
Michael
>
> (NOTE: The values above are just examples, nothing magical nor implying best
> practice.)
>
> One could probably write a dissertation on LilyPond's vertical spacing
> algorithm and the resulting head-scratching. Here is a quick breakdown:
>
> basic-distance is what LilyPond will try to honor absent of other
> constraints. Specifying a smaller value for minimum-distance will give
> LilyPond permission to compress the spacing. padding lets you specify that
> the "ink" between two systems must be separated by a suitable amount.
> Finally, stretchability is a unitless number that controls where LilyPond is
> permitted to *add* space such as when ragged-bottom is false.
>
> It should be noted that annotate-spacing is a useful tool to determine where
> space is allocated. The whitespace you see between the last system and the
> footer might not be useable space, as far as LilyPond is concerned. If it
> has been instructed to keep a minimum amount of space, that is probably why
> it opted to overflow to a second page.
>
>
> -- Aaron Hill
>
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