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vtkiorg/vtki | vtki/plotting.py | plot | def plot(var_item, off_screen=None, full_screen=False, screenshot=None,
interactive=True, cpos=None, window_size=None,
show_bounds=False, show_axes=True, notebook=None, background=None,
text='', return_img=False, eye_dome_lighting=False, use_panel=None,
**kwargs):
"""
Conveni... | python | def plot(var_item, off_screen=None, full_screen=False, screenshot=None,
interactive=True, cpos=None, window_size=None,
show_bounds=False, show_axes=True, notebook=None, background=None,
text='', return_img=False, eye_dome_lighting=False, use_panel=None,
**kwargs):
"""
Conveni... | [
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Parameters
----------
item : vtk or numpy object
VTK object or numpy array to be plotted.
off_screen : bool
Plots off screen when True. Helpful for saving screenshots
without a window popping up.
full_screen : bool,... | [
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vtkiorg/vtki | vtki/plotting.py | system_supports_plotting | def system_supports_plotting():
"""
Check if x server is running
Returns
-------
system_supports_plotting : bool
True when on Linux and running an xserver. Returns None when
on a non-linux platform.
"""
try:
if os.environ['ALLOW_PLOTTING'].lower() == 'true':
... | python | def system_supports_plotting():
"""
Check if x server is running
Returns
-------
system_supports_plotting : bool
True when on Linux and running an xserver. Returns None when
on a non-linux platform.
"""
try:
if os.environ['ALLOW_PLOTTING'].lower() == 'true':
... | [
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vtkiorg/vtki | vtki/plotting.py | single_triangle | def single_triangle():
""" A single PolyData triangle """
points = np.zeros((3, 3))
points[1] = [1, 0, 0]
points[2] = [0.5, 0.707, 0]
cells = np.array([[3, 0, 1, 2]], ctypes.c_long)
return vtki.PolyData(points, cells) | python | def single_triangle():
""" A single PolyData triangle """
points = np.zeros((3, 3))
points[1] = [1, 0, 0]
points[2] = [0.5, 0.707, 0]
cells = np.array([[3, 0, 1, 2]], ctypes.c_long)
return vtki.PolyData(points, cells) | [
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vtkiorg/vtki | vtki/plotting.py | parse_color | def parse_color(color):
""" Parses color into a vtk friendly rgb list """
if color is None:
color = rcParams['color']
if isinstance(color, str):
return vtki.string_to_rgb(color)
elif len(color) == 3:
return color
else:
raise Exception("""
Invalid color input
M... | python | def parse_color(color):
""" Parses color into a vtk friendly rgb list """
if color is None:
color = rcParams['color']
if isinstance(color, str):
return vtki.string_to_rgb(color)
elif len(color) == 3:
return color
else:
raise Exception("""
Invalid color input
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vtkiorg/vtki | vtki/plotting.py | plot_compare_four | def plot_compare_four(data_a, data_b, data_c, data_d, disply_kwargs=None,
plotter_kwargs=None, show_kwargs=None, screenshot=None,
camera_position=None, outline=None, outline_color='k',
labels=('A', 'B', 'C', 'D')):
"""Plot a 2 by 2 comparison of data... | python | def plot_compare_four(data_a, data_b, data_c, data_d, disply_kwargs=None,
plotter_kwargs=None, show_kwargs=None, screenshot=None,
camera_position=None, outline=None, outline_color='k',
labels=('A', 'B', 'C', 'D')):
"""Plot a 2 by 2 comparison of data... | [
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.set_focus | def set_focus(self, point):
""" sets focus to a point """
if isinstance(point, np.ndarray):
if point.ndim != 1:
point = point.ravel()
self.camera.SetFocalPoint(point)
self._render() | python | def set_focus(self, point):
""" sets focus to a point """
if isinstance(point, np.ndarray):
if point.ndim != 1:
point = point.ravel()
self.camera.SetFocalPoint(point)
self._render() | [
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.set_position | def set_position(self, point, reset=False):
""" sets camera position to a point """
if isinstance(point, np.ndarray):
if point.ndim != 1:
point = point.ravel()
self.camera.SetPosition(point)
if reset:
self.reset_camera()
self.camera_set = T... | python | def set_position(self, point, reset=False):
""" sets camera position to a point """
if isinstance(point, np.ndarray):
if point.ndim != 1:
point = point.ravel()
self.camera.SetPosition(point)
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.set_viewup | def set_viewup(self, vector):
""" sets camera viewup vector """
if isinstance(vector, np.ndarray):
if vector.ndim != 1:
vector = vector.ravel()
self.camera.SetViewUp(vector)
self._render() | python | def set_viewup(self, vector):
""" sets camera viewup vector """
if isinstance(vector, np.ndarray):
if vector.ndim != 1:
vector = vector.ravel()
self.camera.SetViewUp(vector)
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vtkiorg/vtki | vtki/plotting.py | BasePlotter._render | def _render(self):
""" redraws render window if the render window exists """
if hasattr(self, 'ren_win'):
if hasattr(self, 'render_trigger'):
self.render_trigger.emit()
elif not self._first_time:
self.render() | python | def _render(self):
""" redraws render window if the render window exists """
if hasattr(self, 'ren_win'):
if hasattr(self, 'render_trigger'):
self.render_trigger.emit()
elif not self._first_time:
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.add_axes | def add_axes(self, interactive=None, color=None):
""" Add an interactive axes widget """
if interactive is None:
interactive = rcParams['interactive']
if hasattr(self, 'axes_widget'):
self.axes_widget.SetInteractive(interactive)
self._update_axes_color(color)
... | python | def add_axes(self, interactive=None, color=None):
""" Add an interactive axes widget """
if interactive is None:
interactive = rcParams['interactive']
if hasattr(self, 'axes_widget'):
self.axes_widget.SetInteractive(interactive)
self._update_axes_color(color)
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.key_press_event | def key_press_event(self, obj, event):
""" Listens for key press event """
key = self.iren.GetKeySym()
log.debug('Key %s pressed' % key)
if key == 'q':
self.q_pressed = True
# Grab screenshot right before renderer closes
self.last_image = self.screensh... | python | def key_press_event(self, obj, event):
""" Listens for key press event """
key = self.iren.GetKeySym()
log.debug('Key %s pressed' % key)
if key == 'q':
self.q_pressed = True
# Grab screenshot right before renderer closes
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.left_button_down | def left_button_down(self, obj, event_type):
"""Register the event for a left button down click"""
# Get 2D click location on window
click_pos = self.iren.GetEventPosition()
# Get corresponding click location in the 3D plot
picker = vtk.vtkWorldPointPicker()
picker.Pick(... | python | def left_button_down(self, obj, event_type):
"""Register the event for a left button down click"""
# Get 2D click location on window
click_pos = self.iren.GetEventPosition()
# Get corresponding click location in the 3D plot
picker = vtk.vtkWorldPointPicker()
picker.Pick(... | [
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.isometric_view_interactive | def isometric_view_interactive(self):
""" sets the current interactive render window to isometric view """
interactor = self.iren.GetInteractorStyle()
renderer = interactor.GetCurrentRenderer()
renderer.view_isometric() | python | def isometric_view_interactive(self):
""" sets the current interactive render window to isometric view """
interactor = self.iren.GetInteractorStyle()
renderer = interactor.GetCurrentRenderer()
renderer.view_isometric() | [
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.update | def update(self, stime=1, force_redraw=True):
"""
Update window, redraw, process messages query
Parameters
----------
stime : int, optional
Duration of timer that interrupt vtkRenderWindowInteractor in
milliseconds.
force_redraw : bool, optional
... | python | def update(self, stime=1, force_redraw=True):
"""
Update window, redraw, process messages query
Parameters
----------
stime : int, optional
Duration of timer that interrupt vtkRenderWindowInteractor in
milliseconds.
force_redraw : bool, optional
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.update_scalar_bar_range | def update_scalar_bar_range(self, clim, name=None):
"""Update the value range of the active or named scalar bar.
Parameters
----------
2 item list
The new range of scalar bar. Example: ``[-1, 2]``.
name : str, optional
The title of the scalar bar to upda... | python | def update_scalar_bar_range(self, clim, name=None):
"""Update the value range of the active or named scalar bar.
Parameters
----------
2 item list
The new range of scalar bar. Example: ``[-1, 2]``.
name : str, optional
The title of the scalar bar to upda... | [
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.clear | def clear(self):
""" Clears plot by removing all actors and properties """
for renderer in self.renderers:
renderer.RemoveAllViewProps()
self._scalar_bar_slots = set(range(MAX_N_COLOR_BARS))
self._scalar_bar_slot_lookup = {}
self._scalar_bar_ranges = {}
self._... | python | def clear(self):
""" Clears plot by removing all actors and properties """
for renderer in self.renderers:
renderer.RemoveAllViewProps()
self._scalar_bar_slots = set(range(MAX_N_COLOR_BARS))
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.remove_actor | def remove_actor(self, actor, reset_camera=False):
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Removes an actor from the Plotter.
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actor : vtk.vtkActor
Actor that has previously added to the Renderer.
reset_camera : bool, optional
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Removes an actor from the Plotter.
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.loc_to_index | def loc_to_index(self, loc):
"""
Return index of the render window given a location index.
Parameters
----------
loc : int, tuple, or list
Index of the renderer to add the actor to. For example,
``loc=2`` or ``loc=(1, 1)``.
Returns
-----... | python | def loc_to_index(self, loc):
"""
Return index of the render window given a location index.
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loc : int, tuple, or list
Index of the renderer to add the actor to. For example,
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.index_to_loc | def index_to_loc(self, index):
"""Convert a 1D index location to the 2D location on the plotting grid
"""
sz = int(self.shape[0] * self.shape[1])
idxs = np.array([i for i in range(sz)], dtype=int).reshape(self.shape)
args = np.argwhere(idxs == index)
if len(args) < 1:
... | python | def index_to_loc(self, index):
"""Convert a 1D index location to the 2D location on the plotting grid
"""
sz = int(self.shape[0] * self.shape[1])
idxs = np.array([i for i in range(sz)], dtype=int).reshape(self.shape)
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.add_axes_at_origin | def add_axes_at_origin(self, loc=None):
"""
Add axes actor at the origin of a render window.
Parameters
----------
loc : int, tuple, or list
Index of the renderer to add the actor to. For example,
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... | python | def add_axes_at_origin(self, loc=None):
"""
Add axes actor at the origin of a render window.
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loc : int, tuple, or list
Index of the renderer to add the actor to. For example,
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.remove_bounding_box | def remove_bounding_box(self, loc=None):
"""
Removes bounding box from the active renderer.
Parameters
----------
loc : int, tuple, or list
Index of the renderer to add the actor to. For example,
``loc=2`` or ``loc=(1, 1)``. If None, selects the last
... | python | def remove_bounding_box(self, loc=None):
"""
Removes bounding box from the active renderer.
Parameters
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loc : int, tuple, or list
Index of the renderer to add the actor to. For example,
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.remove_bounds_axes | def remove_bounds_axes(self, loc=None):
"""
Removes bounds axes from the active renderer.
Parameters
----------
loc : int, tuple, or list
Index of the renderer to add the actor to. For example,
``loc=2`` or ``loc=(1, 1)``. If None, selects the last
... | python | def remove_bounds_axes(self, loc=None):
"""
Removes bounds axes from the active renderer.
Parameters
----------
loc : int, tuple, or list
Index of the renderer to add the actor to. For example,
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.subplot | def subplot(self, index_x, index_y):
"""
Sets the active subplot.
Parameters
----------
index_x : int
Index of the subplot to activate in the x direction.
index_y : int
Index of the subplot to activate in the y direction.
"""
sel... | python | def subplot(self, index_x, index_y):
"""
Sets the active subplot.
Parameters
----------
index_x : int
Index of the subplot to activate in the x direction.
index_y : int
Index of the subplot to activate in the y direction.
"""
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.show_grid | def show_grid(self, **kwargs):
"""
A wrapped implementation of ``show_bounds`` to change default
behaviour to use gridlines and showing the axes labels on the outer
edges. This is intended to be silimar to ``matplotlib``'s ``grid``
function.
"""
kwargs.setdefault(... | python | def show_grid(self, **kwargs):
"""
A wrapped implementation of ``show_bounds`` to change default
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.set_scale | def set_scale(self, xscale=None, yscale=None, zscale=None, reset_camera=True):
"""
Scale all the datasets in the scene of the active renderer.
Scaling in performed independently on the X, Y and Z axis.
A scale of zero is illegal and will be replaced with one.
Parameters
... | python | def set_scale(self, xscale=None, yscale=None, zscale=None, reset_camera=True):
"""
Scale all the datasets in the scene of the active renderer.
Scaling in performed independently on the X, Y and Z axis.
A scale of zero is illegal and will be replaced with one.
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vtkiorg/vtki | vtki/plotting.py | BasePlotter._update_axes_color | def _update_axes_color(self, color):
"""Internal helper to set the axes label color"""
prop_x = self.axes_actor.GetXAxisCaptionActor2D().GetCaptionTextProperty()
prop_y = self.axes_actor.GetYAxisCaptionActor2D().GetCaptionTextProperty()
prop_z = self.axes_actor.GetZAxisCaptionActor2D().G... | python | def _update_axes_color(self, color):
"""Internal helper to set the axes label color"""
prop_x = self.axes_actor.GetXAxisCaptionActor2D().GetCaptionTextProperty()
prop_y = self.axes_actor.GetYAxisCaptionActor2D().GetCaptionTextProperty()
prop_z = self.axes_actor.GetZAxisCaptionActor2D().G... | [
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.update_scalars | def update_scalars(self, scalars, mesh=None, render=True):
"""
Updates scalars of the an object in the plotter.
Parameters
----------
scalars : np.ndarray
Scalars to replace existing scalars.
mesh : vtk.PolyData or vtk.UnstructuredGrid, optional
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"""
Updates scalars of the an object in the plotter.
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scalars : np.ndarray
Scalars to replace existing scalars.
mesh : vtk.PolyData or vtk.UnstructuredGrid, optional
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.update_coordinates | def update_coordinates(self, points, mesh=None, render=True):
"""
Updates the points of the an object in the plotter.
Parameters
----------
points : np.ndarray
Points to replace existing points.
mesh : vtk.PolyData or vtk.UnstructuredGrid, optional
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"""
Updates the points of the an object in the plotter.
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points : np.ndarray
Points to replace existing points.
mesh : vtk.PolyData or vtk.UnstructuredGrid, optional
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.close | def close(self):
""" closes render window """
# must close out axes marker
if hasattr(self, 'axes_widget'):
del self.axes_widget
# reset scalar bar stuff
self._scalar_bar_slots = set(range(MAX_N_COLOR_BARS))
self._scalar_bar_slot_lookup = {}
self._sca... | python | def close(self):
""" closes render window """
# must close out axes marker
if hasattr(self, 'axes_widget'):
del self.axes_widget
# reset scalar bar stuff
self._scalar_bar_slots = set(range(MAX_N_COLOR_BARS))
self._scalar_bar_slot_lookup = {}
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.add_text | def add_text(self, text, position=None, font_size=50, color=None,
font=None, shadow=False, name=None, loc=None):
"""
Adds text to plot object in the top left corner by default
Parameters
----------
text : str
The text to add the the rendering
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Adds text to plot object in the top left corner by default
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text : str
The text to add the the rendering
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.open_movie | def open_movie(self, filename, framerate=24):
"""
Establishes a connection to the ffmpeg writer
Parameters
----------
filename : str
Filename of the movie to open. Filename should end in mp4,
but other filetypes may be supported. See "imagio.get_writer"... | python | def open_movie(self, filename, framerate=24):
"""
Establishes a connection to the ffmpeg writer
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filename : str
Filename of the movie to open. Filename should end in mp4,
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.open_gif | def open_gif(self, filename):
"""
Open a gif file.
Parameters
----------
filename : str
Filename of the gif to open. Filename must end in gif.
"""
if filename[-3:] != 'gif':
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... | python | def open_gif(self, filename):
"""
Open a gif file.
Parameters
----------
filename : str
Filename of the gif to open. Filename must end in gif.
"""
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.write_frame | def write_frame(self):
""" Writes a single frame to the movie file """
if not hasattr(self, 'mwriter'):
raise AssertionError('This plotter has not opened a movie or GIF file.')
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""" Writes a single frame to the movie file """
if not hasattr(self, 'mwriter'):
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.add_lines | def add_lines(self, lines, color=(1, 1, 1), width=5, label=None, name=None):
"""
Adds lines to the plotting object.
Parameters
----------
lines : np.ndarray or vtki.PolyData
Points representing line segments. For example, two line segments
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Adds lines to the plotting object.
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.remove_scalar_bar | def remove_scalar_bar(self):
""" Removes scalar bar """
if hasattr(self, 'scalar_bar'):
self.remove_actor(self.scalar_bar, reset_camera=False) | python | def remove_scalar_bar(self):
""" Removes scalar bar """
if hasattr(self, 'scalar_bar'):
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.add_point_labels | def add_point_labels(self, points, labels, italic=False, bold=True,
font_size=None, text_color='k',
font_family=None, shadow=False,
show_points=True, point_color='k', point_size=5,
name=None):
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font_family=None, shadow=False,
show_points=True, point_color='k', point_size=5,
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.add_arrows | def add_arrows(self, cent, direction, mag=1, **kwargs):
""" Adds arrows to plotting object """
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if cent.ndim != 2:
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if direction.ndim != 2:
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direction[:,0] *= m... | python | def add_arrows(self, cent, direction, mag=1, **kwargs):
""" Adds arrows to plotting object """
direction = direction.copy()
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cent = cent.reshape((-1, 3))
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vtkiorg/vtki | vtki/plotting.py | BasePlotter._save_image | def _save_image(image, filename, return_img=None):
"""Internal helper for saving a NumPy image array"""
if not image.size:
raise Exception('Empty image. Have you run plot() first?')
# write screenshot to file
if isinstance(filename, str):
if isinstance(vtki.FIGU... | python | def _save_image(image, filename, return_img=None):
"""Internal helper for saving a NumPy image array"""
if not image.size:
raise Exception('Empty image. Have you run plot() first?')
# write screenshot to file
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.screenshot | def screenshot(self, filename=None, transparent_background=None,
return_img=None, window_size=None):
"""
Takes screenshot at current camera position
Parameters
----------
filename : str, optional
Location to write image to. If None, no image is wr... | python | def screenshot(self, filename=None, transparent_background=None,
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Takes screenshot at current camera position
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.add_legend | def add_legend(self, labels=None, bcolor=(0.5, 0.5, 0.5), border=False,
size=None, name=None):
"""
Adds a legend to render window. Entries must be a list
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----------
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.set_background | def set_background(self, color, loc='all'):
"""
Sets background color
Parameters
----------
color : string or 3 item list, optional, defaults to white
Either a string, rgb list, or hex color string. For example:
color='white'
color='w... | python | def set_background(self, color, loc='all'):
"""
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color : string or 3 item list, optional, defaults to white
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.remove_legend | def remove_legend(self):
""" Removes legend actor """
if hasattr(self, 'legend'):
self.remove_actor(self.legend, reset_camera=False)
self._render() | python | def remove_legend(self):
""" Removes legend actor """
if hasattr(self, 'legend'):
self.remove_actor(self.legend, reset_camera=False)
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.enable_cell_picking | def enable_cell_picking(self, mesh=None, callback=None):
"""
Enables picking of cells. Press r to enable retangle based
selection. Press "r" again to turn it off. Selection will be
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Uses last input mesh for input
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"""
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.generate_orbital_path | def generate_orbital_path(self, factor=3., n_points=20, viewup=None, z_shift=None):
"""Genrates an orbital path around the data scene
Parameters
----------
facotr : float
A scaling factor when biulding the orbital extent
n_points : int
number of points o... | python | def generate_orbital_path(self, factor=3., n_points=20, viewup=None, z_shift=None):
"""Genrates an orbital path around the data scene
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facotr : float
A scaling factor when biulding the orbital extent
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.orbit_on_path | def orbit_on_path(self, path=None, focus=None, step=0.5, viewup=None, bkg=True):
"""Orbit on the given path focusing on the focus point
Parameters
----------
path : vtki.PolyData
Path of orbital points. The order in the points is the order of
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vtkiorg/vtki | vtki/plotting.py | BasePlotter.export_vtkjs | def export_vtkjs(self, filename, compress_arrays=False):
"""
Export the current rendering scene as a VTKjs scene for
rendering in a web browser
"""
if not hasattr(self, 'ren_win'):
raise RuntimeError('Export must be called before showing/closing the scene.')
i... | python | def export_vtkjs(self, filename, compress_arrays=False):
"""
Export the current rendering scene as a VTKjs scene for
rendering in a web browser
"""
if not hasattr(self, 'ren_win'):
raise RuntimeError('Export must be called before showing/closing the scene.')
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vtkiorg/vtki | vtki/plotting.py | Plotter.show | def show(self, title=None, window_size=None, interactive=True,
auto_close=True, interactive_update=False, full_screen=False,
screenshot=False, return_img=False, use_panel=None):
"""
Creates plotting window
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title : string, optional
... | python | def show(self, title=None, window_size=None, interactive=True,
auto_close=True, interactive_update=False, full_screen=False,
screenshot=False, return_img=False, use_panel=None):
"""
Creates plotting window
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title : string, optional
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vtkiorg/vtki | vtki/examples/examples.py | load_structured | def load_structured():
""" Loads a simple StructuredGrid """
x = np.arange(-10, 10, 0.25)
y = np.arange(-10, 10, 0.25)
x, y = np.meshgrid(x, y)
r = np.sqrt(x**2 + y**2)
z = np.sin(r)
return vtki.StructuredGrid(x, y, z) | python | def load_structured():
""" Loads a simple StructuredGrid """
x = np.arange(-10, 10, 0.25)
y = np.arange(-10, 10, 0.25)
x, y = np.meshgrid(x, y)
r = np.sqrt(x**2 + y**2)
z = np.sin(r)
return vtki.StructuredGrid(x, y, z) | [
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vtkiorg/vtki | vtki/examples/examples.py | plot_ants_plane | def plot_ants_plane(off_screen=False, notebook=None):
"""
Demonstrate how to create a plot class to plot multiple meshes while
adding scalars and text.
Plot two ants and airplane
"""
# load and shrink airplane
airplane = vtki.PolyData(planefile)
airplane.points /= 10
# pts = airpla... | python | def plot_ants_plane(off_screen=False, notebook=None):
"""
Demonstrate how to create a plot class to plot multiple meshes while
adding scalars and text.
Plot two ants and airplane
"""
# load and shrink airplane
airplane = vtki.PolyData(planefile)
airplane.points /= 10
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vtkiorg/vtki | vtki/examples/examples.py | plot_wave | def plot_wave(fps=30, frequency=1, wavetime=3, interactive=False,
off_screen=False, notebook=None):
"""
Plot a 3D moving wave in a render window.
Parameters
----------
fps : int, optional
Maximum frames per second to display. Defaults to 30.
frequency: float, optional
... | python | def plot_wave(fps=30, frequency=1, wavetime=3, interactive=False,
off_screen=False, notebook=None):
"""
Plot a 3D moving wave in a render window.
Parameters
----------
fps : int, optional
Maximum frames per second to display. Defaults to 30.
frequency: float, optional
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vtkiorg/vtki | vtki/filters.py | _get_output | def _get_output(algorithm, iport=0, iconnection=0, oport=0, active_scalar=None,
active_scalar_field='point'):
"""A helper to get the algorithm's output and copy input's vtki meta info"""
ido = algorithm.GetInputDataObject(iport, iconnection)
data = wrap(algorithm.GetOutputDataObject(oport))
... | python | def _get_output(algorithm, iport=0, iconnection=0, oport=0, active_scalar=None,
active_scalar_field='point'):
"""A helper to get the algorithm's output and copy input's vtki meta info"""
ido = algorithm.GetInputDataObject(iport, iconnection)
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vtkiorg/vtki | vtki/filters.py | _generate_plane | def _generate_plane(normal, origin):
""" Returns a vtk.vtkPlane """
plane = vtk.vtkPlane()
plane.SetNormal(normal[0], normal[1], normal[2])
plane.SetOrigin(origin[0], origin[1], origin[2])
return plane | python | def _generate_plane(normal, origin):
""" Returns a vtk.vtkPlane """
plane = vtk.vtkPlane()
plane.SetNormal(normal[0], normal[1], normal[2])
plane.SetOrigin(origin[0], origin[1], origin[2])
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.clip | def clip(dataset, normal='x', origin=None, invert=True):
"""
Clip a dataset by a plane by specifying the origin and normal. If no
parameters are given the clip will occur in the center of that dataset
Parameters
----------
normal : tuple(float) or str
Length ... | python | def clip(dataset, normal='x', origin=None, invert=True):
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Clip a dataset by a plane by specifying the origin and normal. If no
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normal : tuple(float) or str
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.clip_box | def clip_box(dataset, bounds=None, invert=True, factor=0.35):
"""Clips a dataset by a bounding box defined by the bounds. If no bounds
are given, a corner of the dataset bounds will be removed.
Parameters
----------
bounds : tuple(float)
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"""Clips a dataset by a bounding box defined by the bounds. If no bounds
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Parameters
----------
bounds : tuple(float)
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.slice | def slice(dataset, normal='x', origin=None, generate_triangles=False,
contour=False):
"""Slice a dataset by a plane at the specified origin and normal vector
orientation. If no origin is specified, the center of the input dataset will
be used.
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contour=False):
"""Slice a dataset by a plane at the specified origin and normal vector
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.slice_orthogonal | def slice_orthogonal(dataset, x=None, y=None, z=None,
generate_triangles=False, contour=False):
"""Creates three orthogonal slices through the dataset on the three
caresian planes. Yields a MutliBlock dataset of the three slices
Parameters
----------
x :... | python | def slice_orthogonal(dataset, x=None, y=None, z=None,
generate_triangles=False, contour=False):
"""Creates three orthogonal slices through the dataset on the three
caresian planes. Yields a MutliBlock dataset of the three slices
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.slice_along_axis | def slice_along_axis(dataset, n=5, axis='x', tolerance=None,
generate_triangles=False, contour=False):
"""Create many slices of the input dataset along a specified axis.
Parameters
----------
n : int
The number of slices to create
axis : str... | python | def slice_along_axis(dataset, n=5, axis='x', tolerance=None,
generate_triangles=False, contour=False):
"""Create many slices of the input dataset along a specified axis.
Parameters
----------
n : int
The number of slices to create
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.threshold | def threshold(dataset, value=None, scalars=None, invert=False, continuous=False,
preference='cell'):
"""
This filter will apply a ``vtkThreshold`` filter to the input dataset and
return the resulting object. This extracts cells where scalar value in each
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preference='cell'):
"""
This filter will apply a ``vtkThreshold`` filter to the input dataset and
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.threshold_percent | def threshold_percent(dataset, percent=0.50, scalars=None, invert=False,
continuous=False, preference='cell'):
"""Thresholds the dataset by a percentage of its range on the active
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----------
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.outline | def outline(dataset, generate_faces=False):
"""Produces an outline of the full extent for the input dataset.
Parameters
----------
generate_faces : bool, optional
Generate solid faces for the box. This is off by default
"""
alg = vtk.vtkOutlineFilter()
... | python | def outline(dataset, generate_faces=False):
"""Produces an outline of the full extent for the input dataset.
Parameters
----------
generate_faces : bool, optional
Generate solid faces for the box. This is off by default
"""
alg = vtk.vtkOutlineFilter()
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.outline_corners | def outline_corners(dataset, factor=0.2):
"""Produces an outline of the corners for the input dataset.
Parameters
----------
factor : float, optional
controls the relative size of the corners to the length of the
corresponding bounds
"""
alg = vt... | python | def outline_corners(dataset, factor=0.2):
"""Produces an outline of the corners for the input dataset.
Parameters
----------
factor : float, optional
controls the relative size of the corners to the length of the
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.extract_geometry | def extract_geometry(dataset):
"""Extract the outer surface of a volume or structured grid dataset as
PolyData. This will extract all 0D, 1D, and 2D cells producing the
boundary faces of the dataset.
"""
alg = vtk.vtkGeometryFilter()
alg.SetInputDataObject(dataset)
... | python | def extract_geometry(dataset):
"""Extract the outer surface of a volume or structured grid dataset as
PolyData. This will extract all 0D, 1D, and 2D cells producing the
boundary faces of the dataset.
"""
alg = vtk.vtkGeometryFilter()
alg.SetInputDataObject(dataset)
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.elevation | def elevation(dataset, low_point=None, high_point=None, scalar_range=None,
preference='point', set_active=True):
"""Generate scalar values on a dataset. The scalar values lie within a
user specified range, and are generated by computing a projection of
each dataset point onto ... | python | def elevation(dataset, low_point=None, high_point=None, scalar_range=None,
preference='point', set_active=True):
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.contour | def contour(dataset, isosurfaces=10, scalars=None, compute_normals=False,
compute_gradients=False, compute_scalars=True, rng=None,
preference='point'):
"""Contours an input dataset by an array. ``isosurfaces`` can be an integer
specifying the number of isosurfaces in the... | python | def contour(dataset, isosurfaces=10, scalars=None, compute_normals=False,
compute_gradients=False, compute_scalars=True, rng=None,
preference='point'):
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.texture_map_to_plane | def texture_map_to_plane(dataset, origin=None, point_u=None, point_v=None,
inplace=False, name='Texture Coordinates'):
"""Texture map this dataset to a user defined plane. This is often used
to define a plane to texture map an image to this dataset. The plane
defines... | python | def texture_map_to_plane(dataset, origin=None, point_u=None, point_v=None,
inplace=False, name='Texture Coordinates'):
"""Texture map this dataset to a user defined plane. This is often used
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.warp_by_scalar | def warp_by_scalar(dataset, scalars=None, scale_factor=1.0, normal=None,
inplace=False):
"""
Warp the dataset's points by a point data scalar array's values.
This modifies point coordinates by moving points along point normals by
the scalar amount times the scale f... | python | def warp_by_scalar(dataset, scalars=None, scale_factor=1.0, normal=None,
inplace=False):
"""
Warp the dataset's points by a point data scalar array's values.
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vtkiorg/vtki | vtki/filters.py | DataSetFilters.delaunay_3d | def delaunay_3d(dataset, alpha=0, tol=0.001, offset=2.5):
"""Constructs a 3D Delaunay triangulation of the mesh.
This helps smooth out a rugged mesh.
Parameters
----------
alpha : float, optional
Distance value to control output of this filter. For a non-zero
... | python | def delaunay_3d(dataset, alpha=0, tol=0.001, offset=2.5):
"""Constructs a 3D Delaunay triangulation of the mesh.
This helps smooth out a rugged mesh.
Parameters
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alpha : float, optional
Distance value to control output of this filter. For a non-zero
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vtkiorg/vtki | vtki/pointset.py | PolyData._load_file | def _load_file(self, filename):
"""
Load a surface mesh from a mesh file.
Mesh file may be an ASCII or binary ply, stl, or vtk mesh file.
Parameters
----------
filename : str
Filename of mesh to be loaded. File type is inferred from the
extensio... | python | def _load_file(self, filename):
"""
Load a surface mesh from a mesh file.
Mesh file may be an ASCII or binary ply, stl, or vtk mesh file.
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filename : str
Filename of mesh to be loaded. File type is inferred from the
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vtkiorg/vtki | vtki/pointset.py | PolyData.faces | def faces(self, faces):
""" set faces without copying """
if faces.dtype != vtki.ID_TYPE:
faces = faces.astype(vtki.ID_TYPE)
# get number of faces
if faces.ndim == 1:
log.debug('efficiency warning')
c = 0
nfaces = 0
while c < f... | python | def faces(self, faces):
""" set faces without copying """
if faces.dtype != vtki.ID_TYPE:
faces = faces.astype(vtki.ID_TYPE)
# get number of faces
if faces.ndim == 1:
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vtkiorg/vtki | vtki/pointset.py | PolyData._from_arrays | def _from_arrays(self, vertices, faces, deep=True, verts=False):
"""
Set polygons and points from numpy arrays
Parameters
----------
vertices : np.ndarray of dtype=np.float32 or np.float64
Vertex array. 3D points.
faces : np.ndarray of dtype=np.int64
... | python | def _from_arrays(self, vertices, faces, deep=True, verts=False):
"""
Set polygons and points from numpy arrays
Parameters
----------
vertices : np.ndarray of dtype=np.float32 or np.float64
Vertex array. 3D points.
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vtkiorg/vtki | vtki/pointset.py | PolyData.edge_mask | def edge_mask(self, angle):
"""
Returns a mask of the points of a surface mesh that have a surface
angle greater than angle
Parameters
----------
angle : float
Angle to consider an edge.
"""
self.point_arrays['point_ind'] = np.arange(self.n_p... | python | def edge_mask(self, angle):
"""
Returns a mask of the points of a surface mesh that have a surface
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angle : float
Angle to consider an edge.
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vtkiorg/vtki | vtki/pointset.py | PolyData.boolean_cut | def boolean_cut(self, cut, tolerance=1E-5, inplace=False):
"""
Performs a Boolean cut using another mesh.
Parameters
----------
cut : vtki.PolyData
Mesh making the cut
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Updates mesh in-place while returning nothing.
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Performs a Boolean cut using another mesh.
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cut : vtki.PolyData
Mesh making the cut
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vtkiorg/vtki | vtki/pointset.py | PolyData.boolean_add | def boolean_add(self, mesh, inplace=False):
"""
Add a mesh to the current mesh. Does not attempt to "join"
the meshes.
Parameters
----------
mesh : vtki.PolyData
The mesh to add.
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vtkiorg/vtki | vtki/pointset.py | PolyData.curvature | def curvature(self, curv_type='mean'):
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mesh : vtk.polydata
vtk polydata mesh
curvature string, optional
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mesh : vtk.polydata
vtk polydata mesh
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vtkiorg/vtki | vtki/pointset.py | PolyData.smooth | def smooth(self, n_iter=20, convergence=0.0, edge_angle=15, feature_angle=45,
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vtkiorg/vtki | vtki/pointset.py | PolyData.decimate_pro | def decimate_pro(self, reduction, feature_angle=45.0, split_angle=75.0, splitting=True,
pre_split_mesh=False, preserve_topology=False, inplace=False):
"""Reduce the number of triangles in a triangular mesh, forming a good
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vtkiorg/vtki | vtki/pointset.py | PolyData.tube | def tube(self, radius=None, scalars=None, capping=True, n_sides=20,
radius_factor=10, preference='point', inplace=False):
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radius ... | python | def tube(self, radius=None, scalars=None, capping=True, n_sides=20,
radius_factor=10, preference='point', inplace=False):
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vtkiorg/vtki | vtki/pointset.py | PolyData.subdivide | def subdivide(self, nsub, subfilter='linear', inplace=False):
"""
Increase the number of triangles in a single, connected triangular
mesh.
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vtkButterflySubdivisionFilter
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... | python | def subdivide(self, nsub, subfilter='linear', inplace=False):
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vtkiorg/vtki | vtki/pointset.py | PolyData.extract_edges | def extract_edges(self, feature_angle=30, boundary_edges=True,
non_manifold_edges=True, feature_edges=True,
manifold_edges=True, inplace=False):
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1... | python | def extract_edges(self, feature_angle=30, boundary_edges=True,
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vtkiorg/vtki | vtki/pointset.py | PolyData.decimate | def decimate(self, target_reduction, volume_preservation=False,
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vtkiorg/vtki | vtki/pointset.py | PolyData.center_of_mass | def center_of_mass(self, scalars_weight=False):
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----------
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Flag for using the mesh scalars as weights. Defaults to False.
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vtkiorg/vtki | vtki/pointset.py | PolyData.clip_with_plane | def clip_with_plane(self, origin, normal, value=0, inplace=False):
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vtkiorg/vtki | vtki/pointset.py | PolyData.extract_largest | def extract_largest(self, inplace=False):
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vtkiorg/vtki | vtki/pointset.py | PolyData.fill_holes | def fill_holes(self, hole_size, inplace=False): # pragma: no cover
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vtkiorg/vtki | vtki/pointset.py | PolyData.area | def area(self):
"""
Mesh surface area
Returns
-------
area : float
Total area of the mesh.
"""
mprop = vtk.vtkMassProperties()
mprop.SetInputData(self)
return mprop.GetSurfaceArea() | python | def area(self):
"""
Mesh surface area
Returns
-------
area : float
Total area of the mesh.
"""
mprop = vtk.vtkMassProperties()
mprop.SetInputData(self)
return mprop.GetSurfaceArea() | [
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vtkiorg/vtki | vtki/pointset.py | PolyData.geodesic | def geodesic(self, start_vertex, end_vertex, inplace=False):
"""
Calculates the geodesic path betweeen two vertices using Dijkstra's
algorithm.
Parameters
----------
start_vertex : int
Vertex index indicating the start point of the geodesic segment.
... | python | def geodesic(self, start_vertex, end_vertex, inplace=False):
"""
Calculates the geodesic path betweeen two vertices using Dijkstra's
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Parameters
----------
start_vertex : int
Vertex index indicating the start point of the geodesic segment.
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vtkiorg/vtki | vtki/pointset.py | PolyData.geodesic_distance | def geodesic_distance(self, start_vertex, end_vertex):
"""
Calculates the geodesic distance betweeen two vertices using Dijkstra's
algorithm.
Parameters
----------
start_vertex : int
Vertex index indicating the start point of the geodesic segment.
en... | python | def geodesic_distance(self, start_vertex, end_vertex):
"""
Calculates the geodesic distance betweeen two vertices using Dijkstra's
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Parameters
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start_vertex : int
Vertex index indicating the start point of the geodesic segment.
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vtkiorg/vtki | vtki/pointset.py | PolyData.ray_trace | def ray_trace(self, origin, end_point, first_point=False, plot=False,
off_screen=False):
"""
Performs a single ray trace calculation given a mesh and a line segment
defined by an origin and end_point.
Parameters
----------
origin : np.ndarray or list
... | python | def ray_trace(self, origin, end_point, first_point=False, plot=False,
off_screen=False):
"""
Performs a single ray trace calculation given a mesh and a line segment
defined by an origin and end_point.
Parameters
----------
origin : np.ndarray or list
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vtkiorg/vtki | vtki/pointset.py | PolyData.plot_boundaries | def plot_boundaries(self, **kwargs):
""" Plots boundaries of a mesh """
edges = self.extract_edges()
plotter = vtki.Plotter(off_screen=kwargs.pop('off_screen', False),
notebook=kwargs.pop('notebook', None))
plotter.add_mesh(edges, 'r', style='wireframe', l... | python | def plot_boundaries(self, **kwargs):
""" Plots boundaries of a mesh """
edges = self.extract_edges()
plotter = vtki.Plotter(off_screen=kwargs.pop('off_screen', False),
notebook=kwargs.pop('notebook', None))
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vtkiorg/vtki | vtki/pointset.py | PolyData.plot_normals | def plot_normals(self, show_mesh=True, mag=1.0, flip=False,
use_every=1, **kwargs):
"""
Plot the point normals of a mesh.
"""
plotter = vtki.Plotter(off_screen=kwargs.pop('off_screen', False),
notebook=kwargs.pop('notebook', None))
... | python | def plot_normals(self, show_mesh=True, mag=1.0, flip=False,
use_every=1, **kwargs):
"""
Plot the point normals of a mesh.
"""
plotter = vtki.Plotter(off_screen=kwargs.pop('off_screen', False),
notebook=kwargs.pop('notebook', None))
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vtkiorg/vtki | vtki/pointset.py | PolyData.remove_points | def remove_points(self, remove, mode='any', keep_scalars=True, inplace=False):
"""
Rebuild a mesh by removing points. Only valid for
all-triangle meshes.
Parameters
----------
remove : np.ndarray
If remove is a bool array, points that are True will be
... | python | def remove_points(self, remove, mode='any', keep_scalars=True, inplace=False):
"""
Rebuild a mesh by removing points. Only valid for
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Parameters
----------
remove : np.ndarray
If remove is a bool array, points that are True will be
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vtkiorg/vtki | vtki/pointset.py | PolyData.flip_normals | def flip_normals(self):
"""
Flip normals of a triangular mesh by reversing the point ordering.
"""
if self.faces.size % 4:
raise Exception('Can only flip normals on an all triangular mesh')
f = self.faces.reshape((-1, 4))
f[:, 1:] = f[:, 1:][:, ::-1] | python | def flip_normals(self):
"""
Flip normals of a triangular mesh by reversing the point ordering.
"""
if self.faces.size % 4:
raise Exception('Can only flip normals on an all triangular mesh')
f = self.faces.reshape((-1, 4))
f[:, 1:] = f[:, 1:][:, ::-1] | [
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vtkiorg/vtki | vtki/pointset.py | PolyData.delaunay_2d | def delaunay_2d(self, tol=1e-05, alpha=0.0, offset=1.0, bound=False, inplace=False):
"""Apply a delaunay 2D filter along the best fitting plane"""
alg = vtk.vtkDelaunay2D()
alg.SetProjectionPlaneMode(vtk.VTK_BEST_FITTING_PLANE)
alg.SetInputDataObject(self)
alg.SetTolerance(tol)
... | python | def delaunay_2d(self, tol=1e-05, alpha=0.0, offset=1.0, bound=False, inplace=False):
"""Apply a delaunay 2D filter along the best fitting plane"""
alg = vtk.vtkDelaunay2D()
alg.SetProjectionPlaneMode(vtk.VTK_BEST_FITTING_PLANE)
alg.SetInputDataObject(self)
alg.SetTolerance(tol)
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vtkiorg/vtki | vtki/pointset.py | PointGrid.plot_curvature | def plot_curvature(self, curv_type='mean', **kwargs):
"""
Plots the curvature of the external surface of the grid
Parameters
----------
curv_type : str, optional
One of the following strings indicating curvature types
- mean
- gaussian
... | python | def plot_curvature(self, curv_type='mean', **kwargs):
"""
Plots the curvature of the external surface of the grid
Parameters
----------
curv_type : str, optional
One of the following strings indicating curvature types
- mean
- gaussian
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vtkiorg/vtki | vtki/pointset.py | PointGrid.extract_surface | def extract_surface(self, pass_pointid=True, pass_cellid=True, inplace=False):
"""
Extract surface mesh of the grid
Parameters
----------
pass_pointid : bool, optional
Adds a point scalar "vtkOriginalPointIds" that idenfities which
original points these s... | python | def extract_surface(self, pass_pointid=True, pass_cellid=True, inplace=False):
"""
Extract surface mesh of the grid
Parameters
----------
pass_pointid : bool, optional
Adds a point scalar "vtkOriginalPointIds" that idenfities which
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vtkiorg/vtki | vtki/pointset.py | UnstructuredGrid._from_arrays | def _from_arrays(self, offset, cells, cell_type, points, deep=True):
"""
Create VTK unstructured grid from numpy arrays
Parameters
----------
offset : np.ndarray dtype=np.int64
Array indicating the start location of each cell in the cells
array.
... | python | def _from_arrays(self, offset, cells, cell_type, points, deep=True):
"""
Create VTK unstructured grid from numpy arrays
Parameters
----------
offset : np.ndarray dtype=np.int64
Array indicating the start location of each cell in the cells
array.
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vtkiorg/vtki | vtki/pointset.py | UnstructuredGrid._load_file | def _load_file(self, filename):
"""
Load an unstructured grid from a file.
The file extension will select the type of reader to use. A .vtk
extension will use the legacy reader, while .vtu will select the VTK
XML reader.
Parameters
----------
filename :... | python | def _load_file(self, filename):
"""
Load an unstructured grid from a file.
The file extension will select the type of reader to use. A .vtk
extension will use the legacy reader, while .vtu will select the VTK
XML reader.
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vtkiorg/vtki | vtki/pointset.py | UnstructuredGrid.linear_copy | def linear_copy(self, deep=False):
"""
Returns a copy of the input unstructured grid containing only
linear cells. Converts the following cell types to their
linear equivalents.
- VTK_QUADRATIC_TETRA --> VTK_TETRA
- VTK_QUADRATIC_PYRAMID --> VTK_PYRAMID
... | python | def linear_copy(self, deep=False):
"""
Returns a copy of the input unstructured grid containing only
linear cells. Converts the following cell types to their
linear equivalents.
- VTK_QUADRATIC_TETRA --> VTK_TETRA
- VTK_QUADRATIC_PYRAMID --> VTK_PYRAMID
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