def test_affine_transform_scale_with_transform_matrix(): source = cle.push( np.asarray([[ [0, 0, 0, 0, 0], [0, 0, 1, 1, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], ]])) reference = cle.push( np.asarray([[ [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 1, 1, 0], [0, 0, 1, 1, 0], [0, 0, 0, 0, 0], ]])) transform = np.asarray([ [1, 0, 0, 0], [0, 2, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1], ]) result = cle.affine_transform(source, transform=transform) a = cle.pull(result) b = cle.pull(reference) print(a) print(b) assert (np.array_equal(a, b))
def test_affine_transform_translate(): source = cle.push( np.asarray([[ [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 1, 1, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], ]])) reference = cle.push( np.asarray([[ [0, 0, 0, 0, 0], [0, 1, 1, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], ]])) transform = cle.AffineTransform3D() transform.translate(-1, -1, 0) result = cle.affine_transform(source, transform=transform) a = cle.pull(result) b = cle.pull(reference) print(a) print(b) assert (np.array_equal(a, b))
def test_affine_transform_rotation_auto_size(): source = cle.push( np.asarray([[ [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 1, 1, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], ]])) reference = cle.push( np.asarray([[ [0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 1, 0, 0, 0], [0, 0, 0, 0, 1, 0, 0], [0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0], ]])) transform = cle.AffineTransform3D() transform.rotate(angle_in_degrees=45) result = cle.affine_transform(source, transform=transform, auto_size=True) a = cle.pull(result) b = cle.pull(reference) print(a) print(b) assert (np.array_equal(a, b))
def test_affine_transform_rotate_around_center(): source = cle.push( np.asarray([[ [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 1, 1], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], ]])) reference = cle.push( np.asarray([[ [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 1, 0, 0], [0, 0, 1, 0, 0], ]])) transform = cle.AffineTransform3D() transform.translate(-2.5, -2.5) transform.rotate(2, 90.0) transform.translate(2.5, 2.5) result = cle.affine_transform(source, transform=transform) a = cle.pull(result) b = cle.pull(reference) print(a) print(b) assert (np.array_equal(a, b))
def test_affine_shear_x_in_z_plane(): source = np.zeros((5, 5, 5)) source[1, 1, 1] = 1 reference = np.zeros((5, 5, 5)) reference[1, 1, 2] = 1 transform = cle.AffineTransform3D() transform.shear_in_z_plane(angle_x_in_degrees=45) result = cle.affine_transform(source, transform=transform) a = cle.pull(result) b = cle.pull(reference) print(a) print(b) assert (np.array_equal(a, b))
def test_affine_transform_make_sure_2d_images_become_2d_results_autosize(): source = cle.push( np.asarray([ [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 1, 1, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], ])) transform = cle.AffineTransform3D() result = cle.affine_transform(source, transform=transform, auto_size=True) a = cle.pull(result) b = cle.pull(source) print(a) print(b) assert (np.array_equal(a, b))