def test_ui_ring_slider_2d(recording=False):
filename = "test_ui_ring_slider_2d"
recording_filename = pjoin(DATA_DIR, filename + ".log.gz")
expected_events_counts_filename = pjoin(DATA_DIR, filename + ".pkl")
ring_slider_2d_test = ui.RingSlider2D()
ring_slider_2d_test.center = (300, 300)
ring_slider_2d_test.value = 90
# Assign the counter callback to every possible event.
event_counter = EventCounter()
event_counter.monitor(ring_slider_2d_test)
current_size = (600, 600)
show_manager = window.ShowManager(size=current_size,
title="DIPY Ring Slider")
show_manager.ren.add(ring_slider_2d_test)
if recording:
# Record the following events
# 1. Left Click on the handle and hold it
# 2. Move to the left the handle and make 1.5 tour
# 3. Release the handle
# 4. Left Click on the handle and hold it
# 5. Move to the right the handle and make 1 tour
# 6. Release the handle
show_manager.record_events_to_file(recording_filename)
print(list(event_counter.events_counts.items()))
event_counter.save(expected_events_counts_filename)
else:
show_manager.play_events_from_file(recording_filename)
expected = EventCounter.load(expected_events_counts_filename)
event_counter.check_counts(expected)
max_value=5)
line_slider.on_change = translate_green_cube
"""
2D Ring Slider
==============
"""
def rotate_red_cube(slider):
angle = slider.value
previous_angle = slider.previous_value
rotation_angle = angle - previous_angle
cube_actor_1.RotateY(rotation_angle)
ring_slider = ui.RingSlider2D(text_template="{angle:5.1f}°")
ring_slider.center = (200, 200)
ring_slider.on_change = rotate_red_cube
"""
2D List Box
===========
"""
values = list(map(str, range(1, 50 + 1)))
listbox = ui.ListBox2D(values=values,
position=(300, 420),
size=(250, 160),
multiselection=True)
def _print_nb_selected_elements():
cube_mapper = window.vtk.vtkPolyDataMapper()
cube_mapper.SetInputConnection(cube.GetOutputPort())
cube_actor = window.vtk.vtkActor()
cube_actor.SetMapper(cube_mapper)
if color is not None:
cube_actor.GetProperty().SetColor(color)
return cube_actor
cube = cube_maker(color=(0, 0, 1), size=(20, 20, 20), center=(15, 0, 0))
"""
Now we'll add two sliders: one circular and one linear.
"""
ring_slider = ui.RingSlider2D(center=(740, 400),
initial_value=0,
text_template="{angle:5.1f}°")
line_slider = ui.LineSlider2D(center=(500, 250),
initial_value=0,
min_value=-10,
max_value=10)
"""
We can use a callback to rotate the cube with the ring slider.
"""
def rotate_cube(slider):
angle = slider.value
previous_angle = slider.previous_value
rotation_angle = angle - previous_angle