Traditional Culture Encyclopedia - Photography and portraiture - What does G4 mean?

What does G4 mean?

G4 is the CPU name of Apple PowerPC G4.

Curve and surface continuity G0 refers to continuity (function continuity), G 1 refers to tangent continuity (derivative continuity), G2 refers to curvature continuity (second derivative continuity), G3 refers to curvature change rate continuity (third derivative continuity), G4 refers to curvature change rate continuity (fourth derivative continuity), and automobile A surface generally requires G3 continuity.