def __widget_dict_default(self):
"""Default value for source dict."""
w = {'Box':tvtk.BoxWidget(place_factor = 0.9),
'Sphere':tvtk.SphereWidget(place_factor = 0.9),
'Plane':tvtk.PlaneWidget(place_factor = 0.9),
'ImplicitPlane':
tvtk.ImplicitPlaneWidget(place_factor=0.9,
draw_plane=False)}
return w
def _actor_type_changed(self, value):
if value == 'cone':
a = actors.cone_actor()
self.actor_map = {'cone': a}
elif value == 'sphere':
a = actors.sphere_actor()
self.actor_map = {'sphere': a}
elif value == 'plane_widget':
w = tvtk.PlaneWidget()
self.actor_map = {'plane_widget': w}
elif value == 'box_widget':
w = tvtk.BoxWidget()
self.actor_map = {'box_widget': w}
def _actor_type_changed(self, value):
scene = self.scene
if self._current_actor is not None:
scene.remove_actors(self._current_actor)
if value == 'cone':
a = actors.cone_actor()
scene.add_actors(a)
elif value == 'sphere':
a = actors.sphere_actor()
scene.add_actors(a)
elif value == 'plane_widget':
a = tvtk.PlaneWidget()
scene.add_actors(a)
elif value == 'box_widget':
a = tvtk.BoxWidget()
scene.add_actors(a)
self._current_actor = a
# Create the actor and set its mapper.
a = tvtk.Actor(mapper=m)
# Create a Renderer, add the actor and set its background color.
ren = tvtk.Renderer(background=(0.1, 0.2, 0.4))
ren.add_actor(a)
# Create a RenderWindow, add the renderer and set its size.
rw = tvtk.RenderWindow(size=(300, 300))
rw.add_renderer(ren)
# Create the RenderWindowInteractor
rwi = tvtk.RenderWindowInteractor(render_window=rw)
# Setup a box widget.
bw = tvtk.BoxWidget(interactor=rwi, place_factor=1.25, prop3d=a)
bw.place_widget()
def callback(widget, event):
"""This callback sets the transformation of the cone using that
setup by the the box."""
t = tvtk.Transform()
bw.get_transform(t)
bw.prop3d.user_transform = t
# Add an observer
bw.add_observer("InteractionEvent", callback)
# Turn on the box interaction. The default is off and can be toggled
def setup_pipeline(self):
self._transform = tvtk.Transform()
self.widget = tvtk.BoxWidget(place_factor=1.1)
self.filter = tvtk.TransformFilter()
super(TransformData, self).setup_pipeline()
# Create a Renderer, add the actor and set its background color.
ren = tvtk.Renderer()
ren.add_actor(a)
ren.background = (0.1, 0.2, 0.4)
# Create a RenderWindow, add the renderer and set its size.
rw = tvtk.RenderWindow()
rw.add_renderer(ren)
rw.size = (300, 300)
# Create the RenderWindowInteractor
rwi = tvtk.RenderWindowInteractor()
rwi.render_window = rw
# Setup a box widget.
bw = tvtk.BoxWidget()
bw.interactor = rwi
bw.place_factor = 1.25
bw.prop3d = a
bw.place_widget()
def callback(widget, event):
"""This callback sets the transformation of the cone using that
setup by the the box."""
t = tvtk.Transform()
bw.get_transform(t)
bw.prop3d.user_transform = t
# Add an observer