On Wed, Aug 3, 2011 at 10:34 PM, Adam Spiers
<lilypond-u...@adamspiers.org> wrote:
> On Wed, Aug 3, 2011 at 5:37 AM, David Kastrup <d...@gnu.org> wrote:
>> David Kastrup <d...@gnu.org> writes:
>> Ragged-bottom or not, this is ugly and that should get reflected in the
>> scores.
>
> I agree 100% David! This is beginning to sound like a bug to me. I
> couldn't find any documentation on how to debug the vertical spacing
> algorithms, and by its nature it's impossible to reduce this to a test
> case involving only a handful of notes. Any suggestions how to
> proceed?
I just found lily/optimal-page-breaking.cc which led me to:
#(ly:set-option 'debug-page-breaking-scoring)
However that does not reveal much:
Finding the ideal number of pages...
Fitting music on 1 or 2 pages...
trying 7 systems
best score for this sys-count: 15.210169
trying 8 systems
best score for this sys-count: 33.003158
trying 9 systems
best score for this sys-count: 48.201796
trying 10 systems
best score for this sys-count: 70.968437
trying 11 systems
best score for this sys-count: 98.457262
trying 12 systems
best score for this sys-count: 130.470496
trying 13 systems
best score for this sys-count: inf
Drawing systems...
Layout output to `pagination-bug.ps'...
Converting to `./pagination-bug.pdf'...
success: Compilation successfully completed
I guess I could try adding some more debug to
optimal-page-breaking.cc, but at this point I'm
really out of my depth and would need mentoring
from a developer.
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