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# Copyright (c) 2010-2024, Manfred Moitzi
# License: MIT License
import pytest
from math import radians
import numpy as np
from ezdxf.math import xround, Vec2
from ezdxf.math.construct2d import *
def test_left_of_line():
assert is_point_left_of_line(Vec2(-1, 0), Vec2(0, 0), Vec2(0.1, 1)) is True
assert is_point_left_of_line(Vec2(1, 0), Vec2(0, 0), Vec2(0, -1)) is True
assert is_point_left_of_line(Vec2(-1, -1), Vec2(0, 0), Vec2(0.1, 1)) is True
def test_point_to_line_relation_left():
assert point_to_line_relation(Vec2(-1, 0), Vec2(0, 0), Vec2(0.1, 1)) == -1
assert point_to_line_relation(Vec2(1, 0), Vec2(0, 0), Vec2(0, -1)) == -1
assert point_to_line_relation(Vec2(-1, -1), Vec2(0, 0), Vec2(0.1, 1)) == -1
def test_left_of_line_or_on_the_line():
# vertical line
assert (
is_point_left_of_line(Vec2(1, 0), Vec2(0, 0), Vec2(0, 1), colinear=True)
is False
)
assert (
is_point_left_of_line(
Vec2(0, 0.5), Vec2(0, 0), Vec2(0, 1), colinear=True
)
is True
)
assert (
is_point_left_of_line(
Vec2(-1, 0.5), Vec2(0, 0), Vec2(0, 1), colinear=True
)
is True
)
# horizontal line
assert (
is_point_left_of_line(Vec2(0, 1), Vec2(0, 0), Vec2(1, 0), colinear=True)
is True
)
assert (
is_point_left_of_line(Vec2(0, 0), Vec2(0, 0), Vec2(1, 0), colinear=True)
is True
)
assert (
is_point_left_of_line(
Vec2(0, -1), Vec2(0, 0), Vec2(1, 0), colinear=True
)
is False
)
# 45 deg line
assert (
is_point_left_of_line(Vec2(0, 0), Vec2(0, 0), Vec2(1, 1), colinear=True)
is True
)
assert (
is_point_left_of_line(
Vec2(0.5, 0.5), Vec2(0, 0), Vec2(1, 1), colinear=True
)
is True
)
assert (
is_point_left_of_line(Vec2(1, 1), Vec2(0, 0), Vec2(1, 1), colinear=True)
is True
)
assert (
is_point_left_of_line(
Vec2(0.5, 0.49), Vec2(0, 0), Vec2(1, 1), colinear=True
)
is False
)
def test_point_ot_line_relation_on_line():
# vertical line
assert point_to_line_relation(Vec2(0, 2), Vec2(0, 0), Vec2(0, 1)) == 0
assert point_to_line_relation(Vec2(0, -1), Vec2(0, 0), Vec2(0, 1)) == 0
assert point_to_line_relation(Vec2(0, 0.5), Vec2(0, 0), Vec2(0, 1)) == 0
# horizontal line
assert point_to_line_relation(Vec2(1, 0), Vec2(0, 0), Vec2(1, 0)) == 0
assert point_to_line_relation(Vec2(-1, 0), Vec2(0, 0), Vec2(1, 0)) == 0
assert point_to_line_relation(Vec2(0, 0), Vec2(0, 0), Vec2(1, 0)) == 0
# 45 deg line
assert point_to_line_relation(Vec2(0, 0), Vec2(0, 0), Vec2(1, 1)) == 0
assert point_to_line_relation(Vec2(0.5, 0.5), Vec2(0, 0), Vec2(1, 1)) == 0
assert point_to_line_relation(Vec2(1, 1), Vec2(0, 0), Vec2(1, 1)) == 0
assert point_to_line_relation(Vec2(-0.5, -0.5), Vec2(0, 0), Vec2(1, 1)) == 0
def test_xround():
assert xround(9.999, 0.0) == 10
assert xround(9.999, 0.5) == 10
assert xround(9.75, 0.5) == 10
assert xround(9.74, 0.5) == 9.5
assert xround(9.74, 0.25) == 9.75
assert xround(9.626, 0.25) == 9.75
assert xround(9.624, 0.25) == 9.50
assert xround(9.624, 0.1) == 9.6
assert xround(9.624, 0.01) == 9.62
assert xround(9.626, 0.01) == 9.63
assert xround(9.626, 0.05) == 9.65
assert xround(19.1, 1.0) == 19
assert xround(19.1, 2.0) == 20
assert xround(18.9, 2.0) == 18
assert xround(18.9, 5.0) == 20
assert xround(18.9, 10) == 20
assert xround(1234, 10) == 1230
assert xround(1236, 10) == 1240
def test_enclosing_angles():
assert (
enclosing_angles(
radians(45),
start_angle=radians(45),
end_angle=radians(45),
ccw=True,
)
is True
)
assert (
enclosing_angles(
radians(45),
start_angle=radians(45),
end_angle=radians(45),
ccw=False,
)
is True
)
assert (
enclosing_angles(
radians(90),
start_angle=radians(45),
end_angle=radians(135),
ccw=True,
)
is True
)
assert (
enclosing_angles(
radians(90),
start_angle=radians(45),
end_angle=radians(135),
ccw=False,
)
is False
)
assert (
enclosing_angles(
radians(0),
start_angle=radians(45),
end_angle=radians(135),
ccw=True,
)
is False
)
assert (
enclosing_angles(
radians(0),
start_angle=radians(45),
end_angle=radians(135),
ccw=False,
)
is True
)
assert (
enclosing_angles(
radians(45),
start_angle=radians(50),
end_angle=radians(40),
ccw=True,
)
is False
)
assert (
enclosing_angles(
radians(45),
start_angle=radians(50),
end_angle=radians(40),
ccw=False,
)
is True
)
assert (
enclosing_angles(
radians(90),
start_angle=radians(135),
end_angle=radians(45),
ccw=True,
)
is False
)
assert (
enclosing_angles(
radians(90),
start_angle=radians(135),
end_angle=radians(45),
ccw=False,
)
is True
)
assert (
enclosing_angles(
radians(270),
start_angle=radians(135),
end_angle=radians(45),
ccw=True,
)
is True
)
assert (
enclosing_angles(
radians(270),
start_angle=radians(135),
end_angle=radians(45),
ccw=False,
)
is False
)
def test_no_points():
assert closest_point((0, 0), []) is None
def test_one_points():
assert closest_point((0, 0), [(1, 1)]) == (1, 1)
def test_two_points():
assert closest_point((0, 0), [(0, 0, 1), (1, 1, 1)]) == (0, 0, 1)
def test_more_points():
assert closest_point(
(0, 0), [(0, 0, 1), (1, 1, 1), (2, 2, 2), (0, 0, -0.5)]
) == (0, 0, -0.5)
def test_decdeg2dms():
ss = 1.0 / 3600.0
mm = 1.0 / 60.0
for value in np.linspace(-2, 2, 71):
d, m, s = decdeg2dms(value)
result = d + m * mm + s * ss
assert value == pytest.approx(result)
assert decdeg2dms(-1) == (-1, 0, 0)
assert decdeg2dms(0) == (0, 0, 0)
assert decdeg2dms(1) == (1, 0, 0)
def test_linspace():
assert list(np.linspace(1, 4, num=4)) == [1, 2, 3, 4]
assert list(np.linspace(1, 4, num=1)) == [1]
assert list(np.linspace(1, 4, num=0)) == []
assert list(np.linspace(1, 5, num=4, endpoint=False)) == [1, 2, 3, 4]
assert list(np.linspace(2, -2, num=5)) == [2, 1, 0, -1, -2]
with pytest.raises(ValueError):
list(np.linspace(1, 4, num=-1))
def test_area():
assert area([(4, 6), (4, -4), (8, -4), (8, -8), (-4, -8), (-4, 6)]) == 128
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