slider

Slider

Bases: Plot

Slider class for visualizing data over time and updating opacity.

Attributes:

Name	Type	Description
data	dict	Dictionary of data to visualize.
builders	dict	Dictionary of object builders.
visible_objects	list	List of visible objects.
actors	dict	Dictionary of pyvista actors.
plotter	Plotter	PyVista plotter object.
current_time_index	int	Current time index.
time_axis	ndarray | None	Array of time values for the slider.
slider_widget		The PyVista slider widget instance.

current_time_index = 0 instance-attribute

slider_widget = None instance-attribute

time_axis = time_axis instance-attribute

__init__(time_axis)

Initialize the Slider.

Parameters:

Name	Type	Description	Default
time_axis	ndarray | None	Array of time values for the slider. If None, must be set before using time-dependent features.	required

add_time_slider()

Add a time slider widget to the plotter for time navigation.

key_press_callback(obj, event)

Handle key press events for time navigation in the slider.

Parameters:

Name	Type	Description	Default
obj	vtkObject	VTK object triggering the event.	required
event	vtkEvent	VTK event.	required

show()

Show the slider window, initialize objects, sliders, and event handlers.

update_objects(time, prev_time=-1.0)

Update the objects in the slider for a given timestep.

Parameters:

Name	Type	Description	Default
prev_time	float	Previous timestep to update the objects for.	-1.0
time	float	Current timestep to update the objects for.	required

update_time(value)

Update the slider to a specific time value.

Parameters:

Name	Type	Description	Default
value	float	Time to update the slider to.	required

update_time_by_index(index)

Update the slider to a specific time index.

Parameters:

Name	Type	Description	Default
index	int	Index of the time to update the slider to.	required