IGES stands for Initial Graphics Exchange Specification and was written by a panel for the National Bureau of Standards. The strongest argument for IGES is its high level of support by CAD packages running on the larger computer systems. IGES is both a 2D and 3D format.
IGES is an NBS publication. Order from: US Department Of Commerce, National Technical Information Service, Springfield, Virginia 22161 Sections
Section 3.9 - Parametric Spline Surface Entity (type 114)
Section 3.17 - Rational B-Spline Surface Entity (type 128)
Appendix E - Spline Curves and Surfaces
Appendix G - Colour Space Mappings
IGES Start section created by Claris Graphics Translator v1.0 S 1
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