This page has a perhaps more entertaining way to discuss surface continuity, but it also covers higher orders of continuity – G3 and G4.
https://www.augi.com/articles/detail/an-introduction-to-surface-continuity
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This page has a perhaps more entertaining way to discuss surface continuity, but it also covers higher orders of continuity – G3 and G4.
https://www.augi.com/articles/detail/an-introduction-to-surface-continuity