def test_point_height_above_plane(self):
pl = plane.create([0., 1., 0.], 1.)
p = np.array([0., 1., 0.])
result = gt.point_height_above_plane(p, pl)
self.assertEqual(result, 0.)
p = np.array([0., 0., 0.])
result = gt.point_height_above_plane(p, pl)
self.assertEqual(result, -1.)
v1 = np.array([ 0.0, 0.0, 1.0])
v2 = np.array([ 1.0, 0.0, 1.0])
v3 = np.array([ 0.0, 1.0, 1.0])
p = np.array([0.0, 0.0, 20.0])
pl = plane.create_from_points(v1, v2, v3)
pl = plane.invert_normal(pl)
result = gt.point_height_above_plane(p, pl)
self.assertEqual(result, 19.)
pl = plane.create_xz(distance=5.)
p = np.array([0., 5., 0.])
h = gt.point_height_above_plane(p, pl)
self.assertEqual(h, 0.)
def test_x_y():
vecs = numpy.array(
[
[ 1.0, 0.0, 0.0 ],
[ 0.0, 1.0, 0.0 ],
[ 1.0, 1.0, 0.0 ]
],
dtype = numpy.float
)
result = plane.create_from_points(
vecs[ 0 ],
vecs[ 1 ],
vecs[ 2 ]
)
expected_normal = numpy.array([ 0.0, 0.0, 1.0 ])
expected_d = 0
self.assertTrue(
numpy.array_equal( result[ :3 ], expected_normal ),
"Plane normal incorrect"
)
self.assertTrue(
numpy.array_equal( result[ 3 ], expected_d ),
"Plane distance incorrect"
)
def test_create_from_points(self):
result = plane.create_from_points(
[1., 0., 0.],
[0., 1., 0.],
[1., 1., 0.],
)
self.assertTrue(np.allclose(result, [0., 0., 1., 0.]))
self.assertTrue(np.allclose(plane.position(result), [0., 0., 0.]))
result = plane.create_from_points(
[1., 1., 0.],
[1., 1., 1.],
[0., 1., 1.],
)
expected = plane.create([0., 1., 0.], 1.)
self.assertTrue(np.allclose(result, expected))
self.assertTrue(np.allclose(plane.position(result), [0., 1., 0.]))
def test_create_from_points(self):
vecs = np.array([
[ 1.0, 0.0, 0.0 ],
[ 0.0, 1.0, 0.0 ],
[ 1.0, 1.0, 0.0 ]
])
result = plane.create_from_points(*vecs)
self.assertTrue(np.allclose(result, [0.,0.,1.,0.]))
def test_point_height_above_plane(self):
v1 = np.array([ 0.0, 0.0, 1.0])
v2 = np.array([ 1.0, 0.0, 1.0])
v3 = np.array([ 0.0, 1.0, 1.0])
p = np.array([0.0, 0.0, 20.0])
pl = plane.create_from_points(v1, v2, v3)
pl = plane.invert_normal(pl)
result = gt.point_height_above_plane(p, pl)
self.assertEqual(result, 19.)
def test_point_height_above_plane(self):
v1 = np.array([ 0.0, 0.0, 1.0])
v2 = np.array([ 1.0, 0.0, 1.0])
v3 = np.array([ 0.0, 1.0, 1.0])
p = np.array([0.0, 0.0, 20.0])
pl = plane.create_from_points(v1, v2, v3)
pl = plane.invert_normal(pl)
result = gt.point_height_above_plane(p, pl)
self.assertEqual(result, 19.)
def test_height_above_plane( self ):
v1 = numpy.array( [ 0.0, 0.0, 1.0 ] )
v2 = numpy.array( [ 1.0, 0.0, 1.0 ] )
v3 = numpy.array( [ 0.0, 1.0, 1.0 ] )
point = numpy.array([ 0.0, 0.0, 20.0 ])
p = plane.create_from_points( v1, v2, v3 )
p = plane.invert_normal( p )
result = gt.point_height_above_plane( point, p )
# should be 19.0
expected = 19.0
self.assertEqual(
result,
expected,
"Height above plane incorrect"
)
def test_create_from_points(self):
vecs = np.array([[1.0, 0.0, 0.0], [0.0, 1.0, 0.0], [1.0, 1.0, 0.0]])
result = plane.create_from_points(*vecs)
self.assertTrue(np.allclose(result, [0., 0., 1., 0.]))
