On the curvature of curves and surfaces defined by normalforms

• 1 June 1999
• journal article
• Published by Elsevier in Computer Aided Geometric Design
• Vol. 16  (5) , 355-376
• https://doi.org/10.1016/s0167-8396(99)00003-5

Abstract

Keywords

• NORMALFORM
• HESSIAN MATRIX
• CURVATURE
• NORMAL CURVATURE
• BISECTOR
• GN-BLENDING
• G2-CONTINUITY
• UMBILIC POINTS
• ISOPHOTE
• CURVATURE LINE
• FEATURE LINE
• RIDGE
• RAVINE
• INTERSECTION CURVE
• FOOT POINT