On Dec 28, 2011, at 3:41 AM, "m...@apollinemike.com" <m...@apollinemike.com>
wrote:
>
> On Dec 25, 2011, at 10:50 PM, Janek Warchoł wrote:
>
>> Hi Mike,
>>
>> (i've come back finally) When i was thinking about LilyPond lately, i
>> decided that changing character outlines from boxes to something more
>> precise was perhaps the most important thing we should improve now -
>> and i see that you are working on this! Great!
>> My (quick) question is: would be easy to apply your solution to other
>> objects? I know that lyrics and dynamics really need improvement in
>> this area too - see this example: http://www.sendspace.com/file/dm4ua2
>> (source is attached to pdf).
>>
>> Many thanks!
>> Janek
>
> Hey Janek,
>
> Welcome back!
>
> Vertical skylines are useful for any object whose height changes appreciably
> over its horizontal span. Slurs (sometimes) fall into this category.
> Accidentals fall into this category as well and have been dealt with
> similarly (I don't know who wrote the code, but there is code in
> accidental.cc to get a boxed approximation of an accidental's form).
>
> I am not sure that dynamics and lyrics have subtleties in their shape that
> could be better approximated by the use of boxes (perhaps dynamics more than
> lyrics as they are slanted, but I'm dubious of this).
>
> To fix the problem, it'll be necessary to cook up a few minimal examples
> showing each problem (ideally with lines that can be commented out to trigger
> the problem). Once you have this, we'll be able to find the cause rather
> quickly. I suspect that the issue arises from too-generous pure height
> approximations and/or oddities in inter-staff vertical spacing, so boxes are
> likely not the solution.
>
Looking at Janek's examples, there are places where a hairpin could go closer
to the notes if it didn't have a rectangular skyline the size of the large end.
There are also places that the lyrics could go closer if the extended used a
skyline that had its tiny height instead of the character box height.
Thanks,
Carl
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