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From: | Alex Loomis |
Subject: | Re: snippet: standard staff sizes |
Date: | Tue, 7 Jan 2014 21:51:44 -0500 |
Hi all,
I try to answer my own mail after having searched the internet for answers:
No.
> 1. Is there a world wide standard for staff sizes?
No. The idea is always the same but there are several different values
> 2. Are "Rastral Staff Sizes" always the same? I once found a different
> list of rastral sizes. The differences are on the level of 2%, but I
> wonder if there is some official reference.
around. Some agree and differ only because they are rounded differently
to fractions of mm or inches. A comparison will follow from my side.
They follow a logarithmic/exponential law:
> 3. Why does LilyPond suggest other staff sizes?
> http://lilypond.org/doc/v2.16/Documentation/notation/setting-the-staff-size.html
> Where do they come from?
size(n) = 10 pt * 2^(n/6)
Where pt is the TeX-pt 1/72 inch = 25.4 / 72 mm.
The Feta font names are rounded except for the 25.2 which is rounded up
to 26 (probably to make clear, that the interval does not get smaller
again).
I suppose the staff sizes can be chosen freely. It is advisable to chose
> 4. Are "Rastral Staff Sizes" just a result of the fact that the tools
> for hand-engraved music can not scale arbitrarily?
> Or from the computer-based point of view: Is anything wrong with
> choosing a staff size of 19.1?
from a suggested range.
Cheers,
Joram
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