2 texidoc = "Concave beams should be horizontal. However, what exactly
3 it is that makes a beam concave is still unclear.
5 Beams 1 and 3 should be sloped, 2 and 4 should be horizontal. Two
6 sane attempts of calculating concaveness of a beam fail to distinguish
13 \property Voice.Beam \set #'concaveness-threshold = #0.08
14 \property Voice.Beam \set #'concaveness-bt2 = #2.0
16 %% This case seems easy: second beam should be horizontal.
18 %% SCS-I Menuet I, m15
27 %% SCS-I Menuet II, m20
32 fis,^"horiz." a c es d c
34 %%% Sarabande: the first beam, obviously more concave, is not horizontal,
35 %%% but is matched with the next beam in the piece: context.
45 %% concaveness:a: 0.12
48 % Hmm. Concaveness of both: 1.75
49 % %% SCS-VI Prelude, m81
55 % %% SCS-VI Prelude, m82
56 % %% slope = 0.1ss (possibly b.o. context?)
60 %%% `Han-Wen': this should be concave
61 [a,16^"horiz." a' a a]
69 %% LilyPond-indent-level:2