def test_absolute_shape_volume(self):
"""creates a rotated shape using straight and spline connections and \
checks the volume is correct"""
test_shape = RotateMixedShape(
points=[(0, 0,
"straight"), (0, 20,
"spline"), (20, 20,
"spline"), (20, 0, "spline")])
test_shape.rotation_angle = 360
test_shape.create_solid()
assert test_shape.solid is not None
assert test_shape.volume > 100
test_shape2 = RotateMixedShape(
points=[(0, 0,
"straight"), (0, 20,
"spline"), (20, 20,
"spline"), (20, 0, "spline")])
test_shape2.rotation_angle = 180
test_shape2.create_solid()
assert test_shape2.solid is not None
assert 2 * test_shape2.volume == test_shape.volume
def test_shape_volume_with_multiple_azimuth_placement_angles(self):
"""creates rotated shapes at multiple placement angles using mixed connections
and checks the volumes are correct"""
test_shape = RotateMixedShape(
points=[
(1, 1, "straight"),
(1, 20, "spline"),
(20, 20, "spline"),
(20, 1, "spline"),
]
)
test_shape.rotation_angle = 10
test_shape.azimuth_placement_angle = [0, 90, 180, 270]
test_shape.create_solid()
assert test_shape.solid is not None
assert test_shape.volume > 100
test_shape2 = RotateMixedShape(
points=[
(1, 1, "straight"),
(1, 20, "spline"),
(20, 20, "spline"),
(20, 1, "spline"),
]
)
test_shape2.rotation_angle = 5
test_shape2.azimuth_placement_angle = [0, 90, 180, 270]
test_shape2.create_solid()
assert test_shape2.solid is not None
assert 2 * test_shape2.volume == pytest.approx(test_shape.volume)
test_shape3 = RotateMixedShape(
points=[
(1, 1, "straight"),
(1, 20, "spline"),
(20, 20, "spline"),
(20, 1, "spline"),
]
)
test_shape3.rotation_angle = 20
test_shape3.azimuth_placement_angle = [0, 180]
test_shape3.create_solid()
assert test_shape3.solid is not None
assert test_shape3.volume == pytest.approx(test_shape.volume)
def main():
blanket = RotateMixedShape(points=[
(538, 305, "straight"),
(538, -305, "straight"),
(322, -305, "spline"),
(470, 0, "spline"),
(322, 305, "straight"),
])
blanket.rotation_angle = 180
blanket.export_stp("blanket_from_points.stp")
def test_hash_value_update(self):
"""tests that the hash_value of the shape is not updated until a new solid has been created"""
test_shape = RotateMixedShape(points=[
(0, 0, "straight"),
(0, 20, "spline"),
(20, 20, "spline"),
],
rotation_angle=360)
test_shape.solid
assert test_shape.hash_value is not None
initial_hash_value = test_shape.hash_value
test_shape.rotation_angle = 180
assert test_shape.hash_value == initial_hash_value
test_shape.solid
assert test_shape.hash_value != initial_hash_value
def test_conditional_solid_reconstruction(self):
"""tests that a new cadquery solid with a new unique hash is constructed when .solid is called again after changes have been made to the shape"""
test_shape = RotateMixedShape(points=[
(0, 0, "straight"),
(0, 20, "spline"),
(20, 20, "spline"),
],
rotation_angle=360)
assert test_shape.solid is not None
assert test_shape.hash_value is not None
initial_hash_value = test_shape.hash_value
test_shape.rotation_angle = 180
assert test_shape.solid is not None
assert test_shape.hash_value is not None
assert initial_hash_value != test_shape.hash_value