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Toot

Written by Arseny Kapoulkine on 2024-12-29 at 21:26

@mbr In http://marc-b-reynolds.github.io/quaternions/2017/05/02/QuatQuantPart1.html, is the Cayley transform correct? The inverse seems to produce the conjugate quaternion; vec4(-s*v.xyz, 1.0 - s) seems to produce correct reconstruction.

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Descendants

Written by Marc B. Reynolds on 2024-12-30 at 23:56

Yeah. Both the equation and the code for the inverse transform are wrong in that post. I should have written that line as:

vec4(s*v.xyz, s-1.0)

It is correct in the "toy" C code that is linked and used to produce the plots.

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