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Re: Finding note positions and midi values in lilypond
From: |
Mark Burton |
Subject: |
Re: Finding note positions and midi values in lilypond |
Date: |
Mon, 12 Mar 2012 09:14:35 +0100 |
On 12 Mar 2012, at 03:21, Han-Wen Nienhuys wrote:
> On Sun, Mar 11, 2012 at 4:25 PM, Mark Burton <address@hidden> wrote:
>> Hi,
>> Way back in 2005 you hinted that extracting e.g. midi note values and their
>> corresponding position on e.g. a PDF page would be possible….
>> Did you ever build the examples you talked about? - Or do you have some
>> hints and tips where I could look?
>>
>> http://lists.gnu.org/archive/html/lilypond-user/2005-11/msg00273.html
>>
>> I'm mucking about with trying to play (via midi) and highlight notes at the
>> same time… would be nice if it worked :-))
>
> No, never got to that. Without thinking, I'd say it would be the
> quickest to render the notes with a color triple that encodes the
> information you want, converting to PNG and analyzing the image.
Yikes - sounds hard?
I'd have hopes that I could jump into the processor somewhere and get it
spitting out note names and co-ordinates…. seems like that information must
exist pretty much in the same place at the same time somewhere in the
processing chain?
To me, it seems like a really good thing for Lilypond to be able to do, as it
opens up a bunch of graphical options?
>
> The list may have other ideas.
Thanks for forwarding :-)
cheers
Mark.
> --
> Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen