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Is there a library or quick function to calculate roll/pitch/yaw from a Quaternion? The Node.js Myo library only gives a raw quaternion and does not give roll/pitch/yaw, which Myo's other libraries seem to provide. The only javascript library that seemed to have such a function is Three.js, but unfortunately there doesn't seem to be a working implementation of Three.js for node...

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woojoo666
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Why not using Quaternion.js? With it it's quite simple to achieve:

var q = new Quaternion(...);

console.log(q.toEuler())
Robert Eisele
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