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Abstract
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Mathematical Problems in Engineering 
Volume 2 (1996), Issue 6, Pages 487-497
doi:10.1155/S1024123X96000440

Surface normals and barycentric coordinates

Glen Mullineux

School of Mechanical Engineering, University of Bath, Bath BA2 7AY, UK

Received 15 January 1996; Revised 19 February 1996

Abstract

The normal to a triangular parametric surface is investigated where the parameters used are barycentric coordinates. Formulae for the normal are obtained for non-rational and rational surfaces.