Lukas-Fabian Moser, This is wonderful! Thanks for taking the time to do this. The mathematics of the "cheat" is complex to me, but it works well.
-- Knute Snortum On Wed, Dec 27, 2023 at 4:18 AM Lukas-Fabian Moser <l...@gmx.de> wrote: > Hi Knute, hi Mark, > > here's an example of what I mean. The "cheating" system should create what > the original engraving suggests, even if it's wrong mathematically. I > didn't check the difference in MIDI; of course the "conductor" part > (consisting of eigths throughout) shows a significant difference. > > Of course I took advantage of the fact that the original engraving stops > bothering with tuplet brackets/numbers starting from the second bar; it > should be possible to get them back, but this will involve some further > tweaking in the "cheating" version. > > Lukas > Am 27.12.23 um 09:17 schrieb Lukas-Fabian Moser: > > Hi Mark, > Am 27.12.23 um 01:54 schrieb Mark Stephen Mrotek: > > Knute, > > In the original the first beat of the second measure is three against 2. > The 5 against 3 does not start until the second beat. > > Unfortunately, that can't be true, as with this interpretation, the > measure is over-full. Rather, the groups of quintuplets/triplets continue, > with a beaming not in sync with the measure's beat structure. > > This also implies that the original engraving isn't mathematically correct > (as the beginnings of the bems groups look as if they're aligned). > Situations like that are hard to approximate with LilyPond, as Lily has a > strict binary notion of two notes being simultaneous or not. One can try > cheating a bit by engraving the measure according to its visual apperance > (3-vs-2 in the first beat, exact 4-vs-1 in the last quaver of the measure), > but then it will be necessary to compress whatever will be in the measure > to the duration of one whole note, and it's not certain what LilyPond's > spacing algorithm will make of it. > > Sorry for describing the situation verbally; I'll try to cook up an > example as soon as I have time (later today). > > Lukas > >
