| 摘要 |
One or more embodiments of the presently preferred invention provides a method and a computer-program product for generating a curve on a three-dimensional axis. The curve is generated from a fixed number of inputs or constraints. The combination of constraint types determines the type of curve. Further, the curve is associative to its inputs such that when the reference geometry changes, the constraint is updated, and the curve will modify to reflect the associated input modifications.
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