def test_true_shape(self):
c_data = data.Data(space.srgb, cube)
g = gamut.Gamut(space.srgb, c_data)
a = np.array([[0, 0, 0], [2, 2, 2], [2, 2, 2]])
a = g.true_shape(a)
# Test remove duplicates
a = np.array([[0, 0, 0], [2, 2, 2], [0, 0, 0], [2, 2, 2]])
self.assertEqual(2, g.true_shape(a).shape[0])
# Test 3 points on the same line should return outer points
a = np.array([[0, 0, 0], [2, 2, 2], [3, 3, 3]])
self.assertTrue(
np.allclose(g.true_shape(a), np.array([[0, 0, 0], [3, 3, 3]])))
# Test 4 points that are actually a triagle
a = np.array([[0, 0, 0], [0, 3, 0], [3, 0, 0], [1, 1, 0]])
self.assertTrue(
np.allclose(g.true_shape(a),
np.array([[0, 0, 0], [0, 3, 0], [3, 0, 0]])))
# Test 4 points that are all outher vetecis in a convex polygon
a = np.array([[0, 0, 0], [0, 3, 0], [3, 0, 0], [5, 5, 0]])
self.assertTrue(
np.allclose(g.true_shape(a),
np.array([[0, 0, 0], [0, 3, 0], [3, 0, 0], [5, 5,
0]])))
def test_in_line(self):
c_data = data.Data(space.srgb, cube)
g = gamut.Gamut(space.srgb, c_data)
self.assertTrue(
g.in_line(np.array([[2, 2, 2], [2, 2, 2]]),
np.array([2, 2, 2]))) # All points equal.
self.assertFalse(g.in_line(
line, point_not_paralell_to_line)) # Point in NOT parallel to line
self.assertFalse(g.in_line(line, point_opposite_direction_than_line)
) # Point opposite dir then line
self.assertFalse(g.in_line(
line,
point_further_away_than_line)) # Point is is further then line
self.assertTrue(g.in_line(line, point_on_line)) # Point is on line
self.assertFalse(
g.in_line(np.array([[3, 3, 3], [4, 4, 4]]),
np.array([5, 5, 5]))) # Point is on line
self.assertFalse(g.interior(
line, point_not_paralell_to_line)) # Point in NOT parallel to line
self.assertFalse(g.interior(line, point_opposite_direction_than_line)
) # Point opposite dir then line
self.assertFalse(g.interior(
line,
point_further_away_than_line)) # Point is is further then line
self.assertTrue(g.interior(line, point_on_line)) # Point is on line
self.assertFalse(
g.interior(np.array([[3, 3, 3], [4, 4, 4]]),
np.array([5, 5, 5]))) # Point is on line
def test_get_vertices(self):
# Test for gamut.Gamut.get_vertices
c_data = data.Data(space.srgb,
cube) # Generating the colour Data object
g = gamut.Gamut(space.srgb, c_data)
n1_data = np.array([
[
0, 0, 0
], # 0 vertices # Array with just the vertices used for comparison.
[10, 0, 0], # 1 vertices
[10, 10, 0], # 2 vertices
[0, 10, 0], # 3 vertices
[10, 10, 10], # 6 vertices
[10, 0, 10], # 8 vertices
[0, 0, 10], # 9 vertices
[0, 10, 10]
]) # 10 vertices
vertices = g.get_vertices(cube)
self.assertTrue(np.array_equiv(
n1_data,
vertices)) # Compares return array with the known vertices array.
vertices = g.get_vertices(
cube) # Calls the function and add the vertices to the array.
self.assertTrue(
np.array_equiv(n1_data, vertices)
) # Compares returned array with the known vertices array.
def test_is_inside(self): # Test for gamut.Gamut.is_inside
c_data = data.Data(space.srgb, cube)
g = gamut.Gamut(space.srgb, c_data)
c_data = data.Data(space.srgb, points_3d)
a = g.is_inside(space.srgb, c_data)
self.assertEqual(
a.shape,
points_3d.shape[:-1]) # Asserts if shape is reduced by 1dim
self.assertEqual(a.dtype,
bool) # Asserts is data type in the array is boolean
self.assertTrue(np.allclose(
a, bool_3d)) # Asserts that the returned values are correct
c_data = data.Data(space.srgb, points_2d)
a = g.is_inside(space.srgb, c_data)
self.assertEqual(
a.shape,
points_2d.shape[:-1]) # Asserts if shape is reduced by 1dim
self.assertEqual(a.dtype,
bool) # Asserts is data type in the array is boolean
self.assertTrue(np.allclose(
a, bool_2d)) # Asserts that the returned values are correct
c_data = data.Data(space.srgb, points_1d)
a = g.is_inside(space.srgb, c_data)
self.assertEqual(
1, a.size) # When only one point is sent, still returned a array
self.assertEqual(a.dtype,
bool) # Asserts is data type in the array is boolean
self.assertTrue(np.allclose(
a, bool_1d)) # Asserts that the returned values are correct
c_data = data.Data(space.srgb, self.generate_sphere(15, 100))
g = gamut.Gamut(space.srgb, c_data)
c_data = data.Data(space.srgb, self.generate_sphere(
10, 15)) # Points lie within the sphere(inclusion = true)
a = g.is_inside(space.srgb, c_data)
self.assertTrue(np.allclose(a, np.ones(
a.shape))) # Assert that all points lie within the gamut
c_data = data.Data(space.srgb, self.generate_sphere(
20, 15)) # Points lie outside the sphere(inclusion = true)
a = g.is_inside(space.srgb, c_data)
self.assertTrue(np.allclose(a, np.zeros(
a.shape))) # Assert that all points lie without the gamut
def test_center_of_mass(self):
c_data = data.Data(space.srgb, cube)
g = gamut.Gamut(space.srgb, c_data)
cm = g.center_of_mass(g.get_vertices(
g.hull.points)) # Get coordinate for center of the cube
cp = np.array([5., 5., 5.]) # Point in center of cube.
self.assertEqual(cp.all(),
cm.all()) # Assert true that the points are the same.
def test_is_coplanar(self):
c_data = data.Data(space.srgb, cube)
g = gamut.Gamut(space.srgb, c_data)
points = np.array([[0, 0, 0], [2, 2, 0], [3, 3, 0],
[1, 1, 0]]) # coplanar points
self.assertTrue(True, g.is_coplanar(points))
points = np.array([[0, 0, 1], [2, 2, 0], [3, 3, 0],
[1, 1, 0]]) # non-coplanar points
self.assertFalse(False, g.is_coplanar(points))
def test_gamut_initialize(self):
# Test for convex hull
c_data = data.Data(space.srgb,
cube) # Generating the colour Data object
g = gamut.Gamut(space.srgb, c_data)
vertices = np.array([0, 1, 2, 3, 6, 8, 9, 10
]) # Known indices of vertices for the test case
self.assertEqual(
vertices.tolist(),
g.vertices.tolist()) # Checking that the vertices match
def test_plot_surface(self): # Test for gamut.Gamut.plot_surface
fig = plt.figure() # Creates a figure
ax = fig.add_subplot(111, projection='3d') # Creates a 3D plot ax
# c = self.generate_circle(1000, 10)
# c_data = data.Data(space.srgb, c)
# g = gamut.Gamut(space.srgb, c_data)
c_data = data.Data(space.srgb,
polyhedron) # Generating the colour Data object
g = gamut.Gamut(space.srgb, c_data) # Creates a new gamut
sp = g.space # specifies the color space
g.plot_surface(ax, sp) # Calls the plot function
def test_generate_sphere(self):
sphere = self.generate_sphere(5, 10)
# plt.plot(sphere[:,0],sphere[:,1])
# plt.show()
#
# plt.plot(sphere[:,0],sphere[:,2])
# plt.show()
fig = plt.figure() # Creates a figure
ax = fig.add_subplot(111, projection='3d') # Creates a 3D plot ax
c_data = data.Data(space.srgb, sphere)
g = gamut.Gamut(space.srgb, c_data)
sp = g.space # specifies the color space
g.plot_surface(ax, sp) # Calls the plot function
def test_in_tetrahedron(self):
c_data = data.Data(space.srgb, tetrahedron)
g = gamut.Gamut(space.srgb, c_data)
self.assertTrue(g.in_tetrahedron(
tetrahedron, tetra_p_inside)) # Point is on the tetrahedron
self.assertFalse(g.in_tetrahedron(
tetrahedron, tetra_p_not_inside)) # Point is NOT on tetrahedron
self.assertTrue(g.in_tetrahedron(
tetrahedron,
tetra_p_on_surface)) # Point is on a simplex(counts as inside)
self.assertTrue(g.interior(
tetrahedron, tetra_p_inside)) # Point is on the tetrahedron
self.assertFalse(g.interior(
tetrahedron, tetra_p_not_inside)) # Point is NOT on tetrahedron
self.assertTrue(g.interior(tetrahedron, tetra_p_on_surface))
def test_feito_torres_with_sphere(self):
gamut_sphere = self.generate_sphere(10, 100)
outside = self.generate_sphere(12, 5)
innside = self.generate_sphere(8, 5)
c_idk = self.generate_sphere(9.9, 12)
c_data = data.Data(space.srgb, gamut_sphere)
g = gamut.Gamut(space.srgb, c_data)
print("----------------")
print("Should be inside")
print("----------------")
for i in range(0, innside.shape[0]):
print(g.feito_torres(innside[i]))
print("----------------")
print("Should be outside")
print("----------------")
for i in range(0, innside.shape[0]):
print(g.feito_torres(outside[i]))
print("----------------")
print("Uncertain")
print("----------------")
for i in range(0, innside.shape[0]):
print(g.feito_torres(c_idk[i]))
def test_in_triangle(self):
c_data = data.Data(space.srgb, cube)
g = gamut.Gamut(space.srgb, c_data)
self.assertFalse(g.in_triangle(triangle, triangle_point_not_coplanar))
self.assertFalse(
g.in_triangle(triangle, triangle_point_coplanar_but_outside))
self.assertTrue(g.in_triangle(triangle, triangle_point_inside))
self.assertFalse(g.in_triangle(triangle2,
triangle2_point_not_coplanar))
self.assertFalse(
g.in_triangle(triangle2, triangle2_point_coplanar_but_outside))
self.assertTrue(g.in_triangle(triangle2, triangle2_point_inside))
self.assertFalse(g.interior(triangle, triangle_point_not_coplanar))
self.assertFalse(
g.interior(triangle, triangle_point_coplanar_but_outside))
self.assertTrue(g.interior(triangle, triangle_point_inside))
self.assertFalse(g.interior(triangle2, triangle2_point_not_coplanar))
self.assertFalse(
g.interior(triangle2, triangle2_point_coplanar_but_outside))
self.assertTrue(g.interior(triangle2, triangle2_point_inside))
def test_fix_orientation(self):
c_data = data.Data(space.srgb, cube)
g = gamut.Gamut(space.srgb, c_data)
g.fix_orientation()
def test_sign(self):
c_data = data.Data(space.srgb, cube)
g = gamut.Gamut(space.srgb, c_data)
print(g.sign(tetrahedron_two))