def point_intersect_rectangle( point, rect ):
"""Calculates the intersection point of a point and a 2D rectangle.
For 3D points, the Z axis will be ignored.
:return: Returns True if the point is touching
or within the rectangle.
"""
left, right, bottom, top = rectangle.bounds( rect )
if \
point[ 0 ] < left or \
point[ 0 ] > right or \
point[ 1 ] < bottom or \
point[ 1 ] > top:
return None
return point
def test_bounds(self):
rect = rectangle.create_from_bounds(-1, 1, -2, 2)
result = rectangle.bounds(rect)
np.testing.assert_almost_equal(result, (-1,1,-2,2), decimal=5)
def test_bounds( self ):
left = 0.0
right = 5.0
bottom = 0.0
top = 5.0
rect = numpy.array(
[
[ left, bottom ],
[ right - left, top - bottom ],
]
)
left2, right2, bottom2, top2 = rectangle.bounds( rect )
self.assertEqual(
left,
left2,
"Bounds not calculated correctly"
)
self.assertEqual(
right,
right2,
"Bounds not calculated correctly"
)
self.assertEqual(
bottom,
bottom2,
"Bounds not calculated correctly"
)
self.assertEqual(
top,
top2,
"Bounds not calculated correctly"
)
left = 0.0
right = 5.0
bottom = 0.0
top = 5.0
# make rectangle inverse size
rect = numpy.array(
[
[ right, top ],
[ left - right, bottom - top ],
]
)
left2, right2, bottom2, top2 = rectangle.bounds( rect )
self.assertEqual(
left,
left2,
"Bounds not calculated correctly"
)
self.assertEqual(
right,
right2,
"Bounds not calculated correctly"
)
self.assertEqual(
bottom,
bottom2,
"Bounds not calculated correctly"
)
self.assertEqual(
top,
top2,
"Bounds not calculated correctly"
)
def test_bounds(self):
rect = rectangle.create_from_bounds(-1, 1, -2, 2)
result = rectangle.bounds(rect)
np.testing.assert_almost_equal(result, (-1,1,-2,2), decimal=5)