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Geom_Circle axis and angle wrong

Selman Uslu's picture

I attached the png file to show my problem.

In the red face, when i explore edges, a edge that Geom_Circle, I took it's Xaxis and Yaxis, they both correct but in the blue face Circle's Xaxis and Yaxis are not correct.  What is it's purpose and how can i fix that?

Handle(Geom_Circle) circle=Handle(Geom_Circle)::DownCast(curve);

gp_Circ circ=circle->Circ();

auto X=circ.Xaxis();

auto Y=circ.Yaxis();

X direction is (0,-1,0) and Y direction is ( 1,0,0) so our angles are not correct. In red faces edges angle is correct (0--3,14) blue one is (1.57--4,71) wrong.

I'd appreciate it if you answered. Thanks in advance.


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