def test_normalize_knots_if_needed():
s = BSpline(
control_points=DEFPOINTS,
knots=[2, 2, 2, 2, 3, 6, 6, 6, 6],
order=4,
)
k = s.knots()
assert k[0] == 0.0
def apply_construction_tool(self, s: BSpline) -> None:
"""
Set SPLINE data from construction tool :class:`ezdxf.math.BSpline`.
.. versionadded:: 0.13
"""
self.dxf.degree = s.degree
self.control_points = s.control_points
self.fit_points = [] # remove fit points
self.knots = s.knots()
self.weights = s.weights()
self.set_flag_state(Spline.RATIONAL, state=bool(len(self.weights)))