Keep in mind that an art net value range for a given channel is 0-255 or 0-1(normalized), whereas with MIDI, a channel has 128 steps. If you are comfortable coding at all, Openframeworks has some add ons with built in functions that allow some helpful and creative things to be done, without having to write all of it from scratch yourself. That's a pretty solid and customizable approach, that many people are using. You could also consider using something like TouchOSC to create yourself a custom GUI for your show, that you can control via iPad or iPhone - it sends out MIDI or OSC messages, that you could then convert to Artnet. I'm not as familiar, but have used a couple of those type of things in a pinch before. There will need to be some finessing and re-ranging of values using QuartzComposer.īUT, there are also many little MIDI to Artnet bridge apps, or MIDI/OSC/Artnet bridge type apps available, that may allow you to do this as well. since there is no way that the raw MIDI data will equate to proper DMX values. I would probably tend to use that if I had various instruments sending out MIDI, and wanted to literally derive lighting looks from that data. I have many times used QuartzComposer to receive the MIDI data, then use the built in math/LFO/interpolation objects to contour the MIDI data however I want, then spit it out to Artnet using Kineme's artnet sender plugin, and something like an Enttec node.
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