Corrections to the table:
Entry Score Part N N N Do nothing N N Y %2K+1+1 or %2Ki1+1+1 N Y N %%, Ki2+1+1 N Y Y Ki2+1+1 (=>K1+1+1) Y N N %%, Ki2-1-1, %2Ki1-1-1 Y N Y %%, Ki2-1-1, %2Ki1+0+1 Y Y N %%, Ki2+0+1, %2Ki1-1-1 Y Y Y Ki2+0+1 (=>K1+0+1) From: tex-music-boun...@tug.org [mailto:tex-music-boun...@tug.org] On Behalf Of Don Simons Sent: Thursday, June 02, 2011 11:12 PM To: 'Werner Icking Music Archive' Subject: Re: [Tex-music] PMX news: Instrument-wise transposition Reverse transposition lives! Before addressing any MIDI issues, let me ask for comments on my feeling that with a slight modification, the existing code and scor2prt can address all possible combinations of instrument-wise transposition on entry, in the score, or in parts. The keys are to recognize that Ki. can act as an instrument-wise key signature command without any transposition, and also that reverse transposition is possible. Let's suppose the concert key is F and all instruments except #2 are left alone, but #2 may be transposed up a step (to G) on entry, or as printed in the score, or as printed in the part, or any combination of those. The modification proposed is that commands Ki[iinst][+/-...] will automagically be transferred to part iinst as K[+/-...] (unless of course the preceding line is "%%"). Here are all the combinations and the commands that would be needed just after the usual setup in the score: Entry Score Part N N N Do nothing N N Y %2K+1+1 or %2Ki1+1+1 N Y N %%, Ki2+1+1 N Y Y Ki2+1+1 (=>K1+1+1) Y N N %%, Ki2-1-1, %2Ki1-1+0 Y N Y %%, Ki2-1+0, %2Ki1+0+1 Y Y N %%, Ki2+0+1, %2Ki1-1+0 Y Y Y Ki2+0+1 (=>K1+0+1) Notes: 1. Y or N is whether the respective aspect (entry, score, part) is transposed or not for instrument #2. 2. The items in parentheses would appear in part 2 automagically 3. commas in the table mean "start a new line" Some of the combinations are pretty unlikely, e.g. YNN, but still possible. The code modification isn't really necessary; even without it you could do NYY and YYY with part-only and score-only commands like the others. If this all makes sense, then I can move on to worrying about the MIDI output. --Don
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