 xref comp sy sgi misc 2117 comp graphic 39049 path edu!rochest!udel!darwin sura net!howland reston an net!noc net!uunet!nwnexu!mpdillon from mpdillon halcyon michael dillon newsgroup comp sy sgi misc comp graphic subject re look polygon convexifi date 1 mai 1993 23 28 28 -0700 organ a world inform fingertip line 17 sender new nwfocu wa distribut messag-id 1rvpmc 3dd nwfocu wa refer 1rq5m5innmpp harpo ucc nntp-post-host nwfocu wa doe find code concav polygon break set convex polygon? o code algorithm in fact interest sourc code algorithm convert 2d graphic object 2d graphic object render imag bezier curv b spline spline circular arc segment b spline polgon -- michael dillon internet mpdillon halcyon halcyon c-4 powerhous fidonet 1 353 350 rr 2 armstrong bc v0e 1b0 voic +1-604-546-8022 canada bb +1-604-546-2705 