def test_equal_segments():
segment1 = Segment(Point([1, 1]), Point([2, 2]))
segment2 = Segment(Point([1, 1]), Point([2, 2]))
segment3 = Segment(Point([2, 2]), Point([1, 1]))
assert segment1 == segment2
assert segment1 != segment3
def test_distance_segment(points1, points2, expected_distance):
segment1 = Segment(*points1)
segment2 = Segment(*points2)
seg = segment1.shortest_segment(segment2)
assert seg.seglen == pytest.approx(expected_distance)
def test_intersect(points1, points2, expected_intersect_point, intersect_type):
segment1 = Segment(*points1)
segment2 = Segment(*points2)
intersection = segment1.intersect(segment2)
assert intersection.intersect_point == expected_intersect_point
assert intersection.intersect_type == intersect_type
def test_overlap(points1, points2, expected_points):
segment1 = Segment(*points1)
segment2 = Segment(*points2)
if expected_points is None:
assert segment1.overlap(segment2) == expected_points
else:
assert segment1.overlap(segment2) == Segment(*expected_points)
def test_angle(points1, points2, expected_angle):
segment1 = Segment(*points1)
segment2 = Segment(*points2)
assert segment1.angle(segment2) == pytest.approx(expected_angle)
def test_segment_t_3d(point, expected_t):
segment = Segment(Point([1, 1, 1]), Point([2, 2, 2]))
assert segment.t(point) == pytest.approx(expected_t)
def test_segment_point(t, expected_point):
segment = Segment(Point([1, 1]), Point([2, 2]))
assert segment.point(t) == expected_point
def test_reverse():
segment = Segment(Point([1, 1]), Point([2, 2]))
assert segment.reverse() == Segment(Point([2, 2]), Point([1, 1]))
def test_to_curve():
segment = Segment(Point([1, 1]), Point([2, 2]))
assert segment.to_curve() == Curve([(1, 2), (1, 2)])
def test_distance_point(segment_points, point, expected_distance):
segment = Segment(*segment_points)
assert segment.distance(point) == pytest.approx(expected_distance)
def test_singular():
segment = Segment(Point([1, 1]), Point([1, 1]))
assert segment.singular
def test_coplanar(points1, points2, expected_flag):
segment1 = Segment(*points1)
segment2 = Segment(*points2)
assert segment1.coplanar(segment2) == expected_flag
def test_parallel(points1, points2, expected_flag):
segment1 = Segment(*points1)
segment2 = Segment(*points2)
assert segment1.parallel(segment2) == expected_flag
def test_create_segment(p1, p2, ndim):
segment = Segment(p1, p2)
assert segment.ndim == ndim
assert segment.p1 == p1
assert segment.p2 == p2
def test_angle_nan():
segment1 = Segment(Point([1, 1]), Point([1, 2]))
segment2 = Segment(Point([0, 0]), Point([0, 0]))
with pytest.warns(GeometryAlgorithmsWarning):
assert np.isnan(segment1.angle(segment2))
import numpy as np
from skcurve import Point, Segment, Curve, CurveSegment, curves
skip = functools.partial(pytest.param, marks=pytest.mark.skip)
@pytest.mark.parametrize(
'segment1, segment2, intersect_point',
[
# ----------------------
# 2D
# intersected
(Segment(Point([1, 1]), Point([2, 2])),
Segment(Point([1, 2]), Point([2, 1])), Point([1.5, 1.5])),
# intersected perpendicular
(Segment(Point([0, 0]), Point(
[0, 2])), Segment(Point([-1, 1]), Point([1, 1])), Point([0, 1])),
# not intersected parallel
(Segment(Point([1, 2]), Point(
[2, 2])), Segment(Point([1, 1]), Point([2, 1])), None),
# not intersected collinear
(Segment(Point([0, 0]), Point(
[1, 1])), Segment(Point([1.1, 1.1]), Point([2, 2])), None),
# overlapped #1
(Segment(Point([1, 1]), Point([2, 2])),
Segment(Point([0.5, 0.5]), Point([1.5, 1.5])), Point([1.25, 1.25])),
# overlapped #2
(Segment(Point([1, 1]), Point([2, 2])),