def test_text_widget():
interactive = False
renderer = window.Renderer()
axes = actor.axes()
window.add(renderer, axes)
renderer.ResetCamera()
show_manager = window.ShowManager(renderer, size=(900, 900))
if interactive:
show_manager.initialize()
show_manager.render()
fetch_viz_icons()
button_png = read_viz_icons(fname='home3.png')
def button_callback(obj, event):
print('Button Pressed')
button = widget.button(show_manager.iren, show_manager.ren,
button_callback, button_png, (.8, 1.2), (100, 100))
global rulez
rulez = True
def text_callback(obj, event):
global rulez
print('Text selected')
if rulez:
obj.GetTextActor().SetInput("Diffusion Imaging Rulez!!")
rulez = False
else:
obj.GetTextActor().SetInput("Diffusion Imaging in Python")
rulez = True
show_manager.render()
text = widget.text(show_manager.iren,
show_manager.ren,
text_callback,
message="Diffusion Imaging in Python",
left_down_pos=(0., 0.),
right_top_pos=(0.4, 0.05),
opacity=1.,
border=False)
if not interactive:
button.Off()
text.Off()
pass
if interactive:
show_manager.render()
show_manager.start()
arr = window.snapshot(renderer, size=(900, 900))
report = window.analyze_snapshot(arr)
npt.assert_equal(report.objects, 3)
opacity = stream_actor.GetProperty().GetOpacity()
if opacity > 0:
stream_actor.GetProperty().SetOpacity(opacity - 0.1)
"""
We need to download some icons to create a face for our buttons. We provide
some simple icons in this tutorial. But you of course you can use any PNG icon
you may want.
"""
fetch_viz_icons()
button_png_plus = read_viz_icons(fname='plus.png')
button_plus = widget.button(show_manager.iren,
show_manager.ren,
button_plus_callback,
button_png_plus, (.98, .9), (120, 50))
button_png_minus = read_viz_icons(fname='minus.png')
button_minus = widget.button(show_manager.iren,
show_manager.ren,
button_minus_callback,
button_png_minus, (.98, .9), (50, 50))
def move_lines(obj, event):
stream_actor.SetPosition((obj.get_value(), 0, 0))
"""
Then we create the slider.
"""
def test_button_and_slider_widgets():
recording = False
filename = "test_button_and_slider_widgets.log.gz"
recording_filename = pjoin(DATA_DIR, filename)
renderer = window.Renderer()
# create some minimalistic streamlines
lines = [
np.array([[-1, 0, 0.], [1, 0, 0.]]),
np.array([[-1, 1, 0.], [1, 1, 0.]])
]
colors = np.array([[1., 0., 0.], [0.3, 0.7, 0.]])
stream_actor = actor.streamtube(lines, colors)
states = {
'camera_button_count': 0,
'plus_button_count': 0,
'minus_button_count': 0,
'slider_moved_count': 0,
}
renderer.add(stream_actor)
# the show manager allows to break the rendering process
# in steps so that the widgets can be added properly
show_manager = window.ShowManager(renderer, size=(800, 800))
if recording:
show_manager.initialize()
show_manager.render()
def button_callback(obj, event):
print('Camera pressed')
states['camera_button_count'] += 1
def button_plus_callback(obj, event):
print('+ pressed')
states['plus_button_count'] += 1
def button_minus_callback(obj, event):
print('- pressed')
states['minus_button_count'] += 1
fetch_viz_icons()
button_png = read_viz_icons(fname='camera.png')
button = widget.button(show_manager.iren, show_manager.ren,
button_callback, button_png, (.98, 1.), (80, 50))
button_png_plus = read_viz_icons(fname='plus.png')
button_plus = widget.button(show_manager.iren, show_manager.ren,
button_plus_callback, button_png_plus,
(.98, .9), (120, 50))
button_png_minus = read_viz_icons(fname='minus.png')
button_minus = widget.button(show_manager.iren, show_manager.ren,
button_minus_callback, button_png_minus,
(.98, .9), (50, 50))
def print_status(obj, event):
rep = obj.GetRepresentation()
stream_actor.SetPosition((rep.GetValue(), 0, 0))
states['slider_moved_count'] += 1
slider = widget.slider(show_manager.iren,
show_manager.ren,
callback=print_status,
min_value=-1,
max_value=1,
value=0.,
label="X",
right_normalized_pos=(.98, 0.6),
size=(120, 0),
label_format="%0.2lf")
# This callback is used to update the buttons/sliders' position
# so they can stay on the right side of the window when the window
# is being resized.
global size
size = renderer.GetSize()
if recording:
show_manager.record_events_to_file(recording_filename)
print(states)
else:
show_manager.play_events_from_file(recording_filename)
npt.assert_equal(states["camera_button_count"], 7)
npt.assert_equal(states["plus_button_count"], 3)
npt.assert_equal(states["minus_button_count"], 4)
npt.assert_equal(states["slider_moved_count"], 116)
if not recording:
button.Off()
slider.Off()
# Uncomment below to test the slider and button with analyze
# button.place(renderer)
# slider.place(renderer)
arr = window.snapshot(renderer, size=(800, 800))
report = window.analyze_snapshot(arr)
# import pylab as plt
# plt.imshow(report.labels, origin='lower')
# plt.show()
npt.assert_equal(report.objects, 4)
report = window.analyze_renderer(renderer)
npt.assert_equal(report.actors, 1)
def test_button_and_slider_widgets():
interactive = False
renderer = window.Renderer()
# create some minimalistic streamlines
lines = [
np.array([[-1, 0, 0.], [1, 0, 0.]]),
np.array([[-1, 1, 0.], [1, 1, 0.]])
]
colors = np.array([[1., 0., 0.], [0.3, 0.7, 0.]])
stream_actor = actor.streamtube(lines, colors)
renderer.add(stream_actor)
# the show manager allows to break the rendering process
# in steps so that the widgets can be added properly
show_manager = window.ShowManager(renderer, size=(800, 800))
if interactive:
show_manager.initialize()
show_manager.render()
def button_callback(obj, event):
print('Camera pressed')
def button_plus_callback(obj, event):
print('+ pressed')
def button_minus_callback(obj, event):
print('- pressed')
fetch_viz_icons()
button_png = read_viz_icons(fname='camera.png')
button = widget.button(show_manager.iren, show_manager.ren,
button_callback, button_png, (.98, 1.), (80, 50))
button_png_plus = read_viz_icons(fname='plus.png')
button_plus = widget.button(show_manager.iren, show_manager.ren,
button_plus_callback, button_png_plus,
(.98, .9), (120, 50))
button_png_minus = read_viz_icons(fname='minus.png')
button_minus = widget.button(show_manager.iren, show_manager.ren,
button_minus_callback, button_png_minus,
(.98, .9), (50, 50))
def print_status(obj, event):
rep = obj.GetRepresentation()
stream_actor.SetPosition((rep.GetValue(), 0, 0))
slider = widget.slider(show_manager.iren,
show_manager.ren,
callback=print_status,
min_value=-1,
max_value=1,
value=0.,
label="X",
right_normalized_pos=(.98, 0.6),
size=(120, 0),
label_format="%0.2lf")
# This callback is used to update the buttons/sliders' position
# so they can stay on the right side of the window when the window
# is being resized.
global size
size = renderer.GetSize()
def win_callback(obj, event):
global size
if size != obj.GetSize():
button.place(renderer)
button_plus.place(renderer)
button_minus.place(renderer)
slider.place(renderer)
size = obj.GetSize()
if interactive:
# show_manager.add_window_callback(win_callback)
# you can also register any callback in a vtk way like this
# show_manager.window.AddObserver(vtk.vtkCommand.ModifiedEvent,
# win_callback)
show_manager.render()
show_manager.start()
if not interactive:
button.Off()
slider.Off()
# Uncomment below to test the slider and button with analyze
# button.place(renderer)
# slider.place(renderer)
arr = window.snapshot(renderer, size=(800, 800))
report = window.analyze_snapshot(arr)
npt.assert_equal(report.objects, 2)
# imshow(report.labels, origin='lower')
report = window.analyze_renderer(renderer)
npt.assert_equal(report.actors, 1)
def test_text_widget():
interactive = False
renderer = window.Renderer()
axes = fvtk.axes()
window.add(renderer, axes)
renderer.ResetCamera()
show_manager = window.ShowManager(renderer, size=(900, 900))
if interactive:
show_manager.initialize()
show_manager.render()
fetch_viz_icons()
button_png = read_viz_icons(fname='home3.png')
def button_callback(obj, event):
print('Button Pressed')
button = widget.button(show_manager.iren,
show_manager.ren,
button_callback,
button_png, (.8, 1.2), (100, 100))
global rulez
rulez = True
def text_callback(obj, event):
global rulez
print('Text selected')
if rulez:
obj.GetTextActor().SetInput("Diffusion Imaging Rulez!!")
rulez = False
else:
obj.GetTextActor().SetInput("Diffusion Imaging in Python")
rulez = True
show_manager.render()
text = widget.text(show_manager.iren,
show_manager.ren,
text_callback,
message="Diffusion Imaging in Python",
left_down_pos=(0., 0.),
right_top_pos=(0.4, 0.05),
opacity=1.,
border=False)
if not interactive:
button.Off()
text.Off()
pass
if interactive:
show_manager.render()
show_manager.start()
arr = window.snapshot(renderer, size=(900, 900))
report = window.analyze_snapshot(arr)
npt.assert_equal(report.objects, 3)
def test_button_and_slider_widgets():
interactive = False
renderer = window.Renderer()
# create some minimalistic streamlines
lines = [np.array([[-1, 0, 0.], [1, 0, 0.]]),
np.array([[-1, 1, 0.], [1, 1, 0.]])]
colors = np.array([[1., 0., 0.], [0.3, 0.7, 0.]])
stream_actor = actor.streamtube(lines, colors)
renderer.add(stream_actor)
# the show manager allows to break the rendering process
# in steps so that the widgets can be added properly
show_manager = window.ShowManager(renderer, size=(800, 800))
if interactive:
show_manager.initialize()
show_manager.render()
def button_callback(obj, event):
print('Camera pressed')
def button_plus_callback(obj, event):
print('+ pressed')
def button_minus_callback(obj, event):
print('- pressed')
fetch_viz_icons()
button_png = read_viz_icons(fname='camera.png')
button = widget.button(show_manager.iren,
show_manager.ren,
button_callback,
button_png, (.98, 1.), (80, 50))
button_png_plus = read_viz_icons(fname='plus.png')
button_plus = widget.button(show_manager.iren,
show_manager.ren,
button_plus_callback,
button_png_plus, (.98, .9), (120, 50))
button_png_minus = read_viz_icons(fname='minus.png')
button_minus = widget.button(show_manager.iren,
show_manager.ren,
button_minus_callback,
button_png_minus, (.98, .9), (50, 50))
def print_status(obj, event):
rep = obj.GetRepresentation()
stream_actor.SetPosition((rep.GetValue(), 0, 0))
slider = widget.slider(show_manager.iren, show_manager.ren,
callback=print_status,
min_value=-1,
max_value=1,
value=0.,
label="X",
right_normalized_pos=(.98, 0.6),
size=(120, 0), label_format="%0.2lf")
# This callback is used to update the buttons/sliders' position
# so they can stay on the right side of the window when the window
# is being resized.
global size
size = renderer.GetSize()
def win_callback(obj, event):
global size
if size != obj.GetSize():
button.place(renderer)
button_plus.place(renderer)
button_minus.place(renderer)
slider.place(renderer)
size = obj.GetSize()
if interactive:
# show_manager.add_window_callback(win_callback)
# you can also register any callback in a vtk way like this
# show_manager.window.AddObserver(vtk.vtkCommand.ModifiedEvent,
# win_callback)
show_manager.render()
show_manager.start()
if not interactive:
button.Off()
slider.Off()
# Uncomment below to test the slider and button with analyze
# button.place(renderer)
# slider.place(renderer)
arr = window.snapshot(renderer, size=(800, 800))
report = window.analyze_snapshot(arr)
npt.assert_equal(report.objects, 2)
# imshow(report.labels, origin='lower')
report = window.analyze_renderer(renderer)
npt.assert_equal(report.actors, 1)
opacity = stream_actor.GetProperty().GetOpacity()
if opacity > 0:
stream_actor.GetProperty().SetOpacity(opacity - 0.1)
"""
We need to download some icons to create a face for our buttons. We provide
some simple icons in this tutorial. But you of course you can use any PNG icon
you may want.
"""
fetch_viz_icons()
button_png_plus = read_viz_icons(fname='plus.png')
button_plus = widget.button(show_manager.iren, show_manager.ren,
button_plus_callback, button_png_plus, (.98, .9),
(120, 50))
button_png_minus = read_viz_icons(fname='minus.png')
button_minus = widget.button(show_manager.iren, show_manager.ren,
button_minus_callback, button_png_minus,
(.98, .9), (50, 50))
def move_lines(obj, event):
stream_actor.SetPosition((obj.get_value(), 0, 0))
"""
Then we create the slider.
"""
def test_button_and_slider_widgets():
recording = False
filename = "test_button_and_slider_widgets.log.gz"
recording_filename = pjoin(DATA_DIR, filename)
renderer = window.Renderer()
# create some minimalistic streamlines
lines = [np.array([[-1, 0, 0.], [1, 0, 0.]]),
np.array([[-1, 1, 0.], [1, 1, 0.]])]
colors = np.array([[1., 0., 0.], [0.3, 0.7, 0.]])
stream_actor = actor.streamtube(lines, colors)
states = {'camera_button_count': 0,
'plus_button_count': 0,
'minus_button_count': 0,
'slider_moved_count': 0,
}
renderer.add(stream_actor)
# the show manager allows to break the rendering process
# in steps so that the widgets can be added properly
show_manager = window.ShowManager(renderer, size=(800, 800))
if recording:
show_manager.initialize()
show_manager.render()
def button_callback(obj, event):
print('Camera pressed')
states['camera_button_count'] += 1
def button_plus_callback(obj, event):
print('+ pressed')
states['plus_button_count'] += 1
def button_minus_callback(obj, event):
print('- pressed')
states['minus_button_count'] += 1
fetch_viz_icons()
button_png = read_viz_icons(fname='camera.png')
button = widget.button(show_manager.iren,
show_manager.ren,
button_callback,
button_png, (.98, 1.), (80, 50))
button_png_plus = read_viz_icons(fname='plus.png')
button_plus = widget.button(show_manager.iren,
show_manager.ren,
button_plus_callback,
button_png_plus, (.98, .9), (120, 50))
button_png_minus = read_viz_icons(fname='minus.png')
button_minus = widget.button(show_manager.iren,
show_manager.ren,
button_minus_callback,
button_png_minus, (.98, .9), (50, 50))
def print_status(obj, event):
rep = obj.GetRepresentation()
stream_actor.SetPosition((rep.GetValue(), 0, 0))
states['slider_moved_count'] += 1
slider = widget.slider(show_manager.iren, show_manager.ren,
callback=print_status,
min_value=-1,
max_value=1,
value=0.,
label="X",
right_normalized_pos=(.98, 0.6),
size=(120, 0), label_format="%0.2lf")
# This callback is used to update the buttons/sliders' position
# so they can stay on the right side of the window when the window
# is being resized.
global size
size = renderer.GetSize()
if recording:
show_manager.record_events_to_file(recording_filename)
print(states)
else:
show_manager.play_events_from_file(recording_filename)
npt.assert_equal(states["camera_button_count"], 7)
npt.assert_equal(states["plus_button_count"], 3)
npt.assert_equal(states["minus_button_count"], 4)
npt.assert_equal(states["slider_moved_count"], 116)
if not recording:
button.Off()
slider.Off()
# Uncomment below to test the slider and button with analyze
# button.place(renderer)
# slider.place(renderer)
arr = window.snapshot(renderer, size=(800, 800))
report = window.analyze_snapshot(arr)
# import pylab as plt
# plt.imshow(report.labels, origin='lower')
# plt.show()
npt.assert_equal(report.objects, 4)
report = window.analyze_renderer(renderer)
npt.assert_equal(report.actors, 1)
