Wednesday, October 20, 2010

What is surface continuity?

When two surfaces meet at a common edge, it is sometimes desirable to have them appear to be one continuous surface across that edge by aligning one or both of the surfaces at their point of contact. This continuity comes in a variety of forms.

G1: Tangential continuity, where the edges areas of each surface lie on the same plane at the point of contact.

G2: Curvature continuity, where the areas near the edge of each surface “flow” from each other by matching the overall curve of one or both surfaces across the point of contact.

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