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摘要
En 中文
An algorithm for data approximation with biarcs is presented. The method uses a specific formulation of biarcs appropriate for parametric curves in Bezier or NURBS,formulation. A base curve is applied to obtain tangents and anchor points for the individual arcs joining in G(1) continuity. Data sampled from circular arcs or straight line segments is represented precisely by one biarc. The method is most useful in numerical control to drive the cutter along straight line or circular paths.
Keyword:
algorithms
biarcs
curves and surfaces
data approximation
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