def test_create_3P():
p1 = (3.0, 3.0)
p2 = (5.0, 7.0)
p3 = (12.0, 5.0)
circle = ConstructionCircle.from_3p(p1, p2, p3)
assert isclose(circle.center[0], 7.6875, abs_tol=1e-4)
assert isclose(circle.center[1], 3.15625, abs_tol=1e-4)
assert isclose(circle.radius, 4.6901, abs_tol=1e-4)
def circle_3p(self, data: bytes):
bs = ByteStream(data)
attribs = self._build_dxf_attribs()
p1 = Vec3(bs.read_vertex())
p2 = Vec3(bs.read_vertex())
p3 = Vec3(bs.read_vertex())
circle = ConstructionCircle.from_3p(p1, p2, p3)
attribs['center'] = circle.center
attribs['radius'] = circle.radius
return self._factory('CIRCLE', dxfattribs=attribs)
