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Re: LilyPond processing mode

From: Graham Percival
Subject: Re: LilyPond processing mode
Date: Sat, 5 Nov 2005 14:01:07 -0800

On 5-Nov-05, at 2:55 AM, Han-Wen Nienhuys wrote:

J L wrote:
So, would it be possible to add a mode to lilypond, where you load lilypond, and keep it sitting there on standby. Then, when you want a score typeset, you tell lilypond the file to use (or drag it into the window). Lilypond then processes the file as normal, but stays 'alive' after that. This might be a useful feature to have, especially when doing tweaks.

This is quite easy to add, since the LilyPond mainloop is also coded in Scheme, but why do you need it? It would only save 1 second or so on a run, typically much less than the time you spend dragging the file.

Seriously?!  Please please please!

I'm currently in discussions about arranging a Masters degree (to start next Sep), using lilypond (and chuck and/or pd and/or Max) to create interactive music for a string quartet. The lilypond portion of this involves compiling many short fragments of music. (ie display 4 bars, computer listens to performers and creates another 4 bars, displays them, etc)

I think I can avoid the latency issues by creating the music one system in advance... but still, saving 1 second for each run would be great! Especially if I wanted to try having one computer displaying parts for two (or even four) people.

- Graham

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