def test_to_vtk():
"Test if default properties of the camera object."
# Initialize a camera object and assess all the default properties
camera = Camera()
assert camera.identifier[0:6] == 'camera'
assert camera.position == (0, 0, 100)
assert camera.direction == (0, 0, -1)
assert camera.up_vector == (0, 1, 0)
assert camera.h_size == 60
assert camera.v_size == 60
assert camera.type == 'v'
# Assess type of the outcome of the to_vtk method
camera = camera.to_vtk()
assert isinstance(camera, vtk.vtkCamera)
def test_to_vtk():
"Test if default properties of the camera object."
# Initialize a camera object and assess all the default properties
camera = Camera()
assert camera.identifier[0:6] == 'camera'
assert camera.position.value == (0, 0, 100)
assert camera.direction.value == (0, 0, -1)
assert camera.up_vector.value == (0, 1, 0)
assert camera.h_size.value == 60
assert camera.v_size.value == 30
assert camera.type.value == 'v'
assert camera.flat_view_direction[(0, 0, -1)] == [2, '+']
assert camera.flat_view_direction[(0, 0, 1)] == [2, '-']
assert camera.flat_view_direction[(0, 1, 0)] == [1, '+']
assert camera.flat_view_direction[(0, -1, 0)] == [1, '-']
assert camera.flat_view_direction[(-1, 0, 0)] == [0, '-']
assert camera.flat_view_direction[(1, 0, 0)] == [0, '+']
# Assess type of the outcome of the to_vtk method
camera = camera.to_vtk()
assert isinstance(camera, vtk.vtkCamera)