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Re: left-aligning grobs to other grobs
From: |
Janek Warchoł |
Subject: |
Re: left-aligning grobs to other grobs |
Date: |
Wed, 9 Mar 2011 20:05:01 +0100 |
Hi David,
thanks for sharing this!
2011/3/8 David Nalesnik <address@hidden>:
> Hi, all --
>
> Attached is a function which started out as an attempt to get tempo
> indications to line up with the left edge of the time signature. It's
> been generalized so that you can left-align any grob responsive to
> 'extra-offset to the closest grob of a specified type in that system
> (as far as I can tell so far -- you could even left-align a notehead
> to a barline, if you were so inclined...)
>
> It locates the closest grob by first searching all of the grobs in a
> system for every instance of the target type, then selecting the one
> that is closest horizontally. (For example, if you want to align
> something to a barline, the function would determine where all the
> barlines are, then choose the nearest one).
>
> I have several questions:
>
> (1) Is there a way to locate the nearest grob more efficiently, so the
> routine doesn't have to search the entire system?
>
> (2) Is there a way to exclude grobs that are in the same system, but
> on a different staff? I've looked at the 'staff-symbol property, but
> it's empty in some cases.
>
> (3) Does anybody have any suggestions how to improve the coding? I'm
> enjoying learning Scheme, but my approach is rather hit-and-miss!
>
> Best,
> David
>
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