def test_complex_ellipse_with_spline_intersection(self):
ellipse = ConstructionEllipse(center=(0, 0), major_axis=(3, 0), ratio=0.5)
bspline = BSpline([(-4, -4), (-2, -1), (2, 1), (4, 4)])
p1 = ellipse.flattening(distance=0.01)
p2 = bspline.flattening(distance=0.01)
res = intersect_polylines_2d(Vec2.list(p1), Vec2.list(p2))
assert len(res) == 2
def test_flattening_ellipse():
# Visually checked in BricsCAD:
e = ConstructionEllipse(major_axis=(3, 0), ratio=0.25)
assert len(list(e.flattening(0.1))) == 13
assert len(list(e.flattening(0.01))) == 37
def test_flattening(s, e, distance, count):
ellipse = ConstructionEllipse(
start_param=math.radians(s),
end_param=math.radians(e),
)
assert len(list(ellipse.flattening(distance, segments=2))) == count
