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![]() | Cohen, Elaine | Hybrid symbolic and numeric operators as tools for analysis of freeform surfaces | Freeform surfaces are commonly used in Computer Aided Geometric Design, so accurate analysis of surface properties is becoming increasingly important. In this paper we define surface slope and surface speed, develop visualization tools, and demonstrate t h a t they can be useful in the design proces... | Freeform surfaces; Hybrid operators | 1992 |