The AIM@SHAPE Glossary
Alphabetical list of terms
- umbilical point
- Surface point where the principal curvatures are equal. All the points in planar and spherical surface regions are umbilical.
- uniform knot sequence
- A knot sequence where all knots are equally spaced. One clear advantage of using uniform knot sequences can be found in the fact that the wavelet decomposition could be performed a-priori as the decomposition depends solely on the subspaces of the splines and is completely independent of the control points of the shapes.