rational interpolation of spherical motions with rational rotation-minimizing directed frames
Highlights
► A scheme for constructing rational rotation-minimizing spherical motions had been developed. ► The method is based on interpolation of initial/final curve positions, orientations, and compatible motion directions. ► The resulting curve segments possess continuity and therefore can be used to construct a spline by interpolation. ► The degree of obtained curves is usually eight, as well as the degree of the associated rational rotation-minimizing frames.
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