Parametric Surfaces in PHIGS PLUS a New Chance for Patterning and Hatching?

Published in: Comput. Graph. Forum (1990)

Keyphrases

line drawings
three dimensional
coordinate systems
free form
parametric models
algebraic curves
image data
curved objects
range data
object recognition
geometric features
semi parametric
surface roughness
surface points
surface features
video sequences
digital topology
computer vision