writing custom engravers in scheme - defining context properties?

Hello! I've been in the process of switching over to LilyPond for the past several months and have been really impressed so far by quality of the results, as well as the huge amount of information available in the documentation and list-serv archives. That this is the first time I haven't been abl

engraver for beginning-of-system partcombiner "reminder markups"

Hello all, Has anyone already tackled the issue of showing, at the beginning of each system, which voice(s) are active in a given partcombined staff? e.g. Say I have Clarinets I & II partcombined into a single staff, and Clarinet I is soloing for a number of systems. The partcombiner currently

Re: writing custom engravers in scheme - defining context properties?

Welcome to LilyPond! More below... On 10/10/2016 12:00 PM, Maxwell Phillips wrote: I'm experimenting with writing custom scheme engravers, for example to deal with groups of staffs with complex rules about when each staff should be visible or hidden. I can't figure out how to define the prop

Re: writing custom engravers in scheme - defining context properties?

Hi Max, 2016-10-10 19:25 GMT+02:00 Paul : > Welcome to LilyPond! More below... > +1 :) > On 10/10/2016 12:00 PM, Maxwell Phillips wrote: >> >> I'm experimenting with writing custom scheme engravers, for example to >> deal with groups of staffs with complex rules about when each staff should >>

Re: writing custom engravers in scheme - defining context properties?

Thomas Morley writes: > Well, there are several examples in LSR, defining > grob-/music-/context-properties. > http://lsr.di.unimi.it/LSR/Search?q=set+object+property > The first seven hits. Ugh. This is going to be fun. We need to change the API eventually to make user-defined properties sess

Re:MIDI dynamics parsing error

> I'm dealing with several of these MIDI errors during compilation of a long > piece. > "programming error: Impossible or ambiguous (de)crescendo in MIDI." > > I tried to get rid of these by placing a starting volume, but alas, it's > not > that simple. The approach I use is to define some dynam

Show TupletNumber after \hide

LilyPond Friends, The manuals explain how to hide tuplet numbers, but nowhere could I find an explanation of how to turn them back on. After many experiments, I finally found an easy way to control turning on tuplet numbers after turning them off. The secret was to enclose within curly brackets th