In this paper an improved version of an earlier proposed algorithm for approximating cubic Bezier curve by a set of circular arcs is presented. It is investigated how the improved algorithm fits for approximation of quadratic Bezier curves. These issues occur in CAD/CAM systems during data exchange into data formats which do not support Bezier curves. Experimental results on examples, widely used in the sources enlisted in references, are presented. Two typographical errors, made in the previous article, are corrected.
Today exchange of data among CAD systems becomes more important. As each CAD system has its own flavor to represent the same objects, exchange of data among them is full of issues. Most common problems are incomplete transfer of presentation information, associativity between representation and presentation, usage of annotation planes and text. They are analyzed in details and possible solutions are suggested as well.
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