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Re: angular bisector
Posted:
Jan 21, 2013 11:32 AM


asp <nithi.pravas@googlemail.com> wrote in message <e36e680936a14d79a4e8cd4ba96ff74b@googlegroups.com>... > I am given three points...i constructed an angular bisector using vectors > V1=[(p1(1)p2(1)) (p1(2)p2(2))]; > V2=[(p2(1)p3(1)) (p2(2)p3(2))]; > V1=V1/norm(V1); > V2=V2/norm(V2); > V3 = V1+V2; % Bisector vector > plot([p2(1),V3(1)+p2(1)],[p2(2),V3(2)+p2(2)], 'g'); > > But the bisector i got is wrong... > Am i doing anything wrong in coding or direction of vectors.. > i took p1p2 and p2p3 direction... > thanks for your help...          If p2 is the point at the angle you wish to bisect, then just reverse the direction of V2.
V1 = p1p2; V2 = p3p2; etc
Roger Stafford



