The RtMidi library looks like a good find. I’ll be interested to hear how your testing goes. Also I’d like to hear how difficult it is to include rtmidi in your tool. We usually only ship third-party libraries that the Chimera core tools use — it is too difficult to compile and maintain them on all platforms. Another issue is that all our development effort is on ChimeraX.

On Jan 28, 2017, at 11:47 AM, Dougherty, Matthew T wrote:

Hi,

I got the midi interface working with chimera, thanks. I ended up using the rtmidi package instead of mido.
https://pypi.python.org/pypi/python-rtmidi

Midi will significantly reduce my reliance on accelerators. It will give me the ability to pass multivariate parameters from hardware and modify LED displays on those devices. Previous efforts directly working with USB has be difficult because of lack of compliance and limited open source methods.

The software I developed allows the DS1 control surface to easily control volume rendering and stereographics.
http://lividinstruments.com/products/ds1/

I am anticipating this will improve operational viz for tomograms. If users demonstrate value in device, will release as an chimera extension. Internal NCMI testing begins next week.

Also looking at other inexpensive midi devices.

Recommending chimera ship with rtmidi library.

thanks,

Matthew Dougherty
National Center for Macromolecular Imaging
Baylor College of Medicine
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