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Quaternion.to_vector() protocol missing key specifications #1424

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tribbloid opened this issue Jul 19, 2024 · 0 comments

tribbloid commented Jul 19, 2024 •

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Every quaternion protocol is different, specifically, the following options should be specified for every quaternion representation of rotation:

chirality: should be left-handed or right-handed
coordinate system: should be ijkw, wijk, or some esoteric coordinate system
marshalling sequence: should be ascending or descending
normalisation: should be normalised or unnormalised

from documentation I was able to piece out a few options:

coordinate system: ikjw on to_vector(), wijk on construction
normalisation: unnormalised unless it is UnitQuaternion

the other 2 specifications are still missing, specifically, the entire source code file doesn't mention "chiral" or "hand" anywhere.

Can we add them?

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