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Re: [Lilypond-auto] Issue 3739 in lilypond: 16th notes cannot be spaced


From: lilypond
Subject: Re: [Lilypond-auto] Issue 3739 in lilypond: 16th notes cannot be spaced as densely as quarters
Date: Fri, 20 Dec 2013 06:48:08 +0000


Comment #1 on issue 3739 by address@hidden: 16th notes cannot be spaced as densely as quarters
http://code.google.com/p/lilypond/issues/detail?id=3739

I think you know that the fix for issue 3304 resolves the inconsistency in the example you show. So don't work too hard to collect examples until 3304 is finished (and remember to post .ly rather than images)

The underlying cause for the spacing inconsistency will remain after issue 3304 is done. There are some heuristic quirks in the function Springs::merge_springs() :

// Create two springs using  Spring::Spring (natural_length, minimum_length)
a = Spring(1.5, 1.0); // rather flexible spring of length 1.5
b = Spring(0.5, 0.5); // incompressible spring of length 0.5

c = merge_springs(a, b); // currently gives an incompressible spring of length 1.3

We might expect two springs, each with can compress to length 1.0 or shorter, to merge into a spring that is compressible down to 1.0 Simplifying spings.cc might be rewarding. Check the history first, to see why the 0.3 was added.

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