bqplot.marks.Pie¶

class bqplot.marks.Pie(**kwargs)[source]¶

Piechart mark.

colors¶

list of colors for the slices.

Type:	list of colors (default: CATEGORY10)

stroke¶

stroke color for the marker

Type:	color (default: ‘white’)

opacities¶

Opacities for the slices of the Pie mark. Defaults to 1 when the list is too short, or the element of the list is set to None.

Type:	list of floats (default: [])

sort¶

sort the pie slices by descending sizes

Type:	bool (default: False)

x¶

horizontal position of the pie center, in data coordinates or in figure coordinates

Type:	Float (default: 0.5) or Date

y¶

vertical y position of the pie center, in data coordinates or in figure coordinates

Type:	Float (default: 0.5)

radius¶

radius of the pie, in pixels

Type:	Float

inner_radius¶

inner radius of the pie, in pixels

Type:	Float

start_angle¶

start angle of the pie (from top), in degrees

Type:	Float (default: 0.0)

end_angle¶

end angle of the pie (from top), in degrees

Type:	Float (default: 360.0)

display_labels¶

label display options

Type:	{‘none’, ‘inside’, ‘outside’} (default: ‘inside’)

display_values¶

if True show values along with labels

Type:	bool (default: False)

values_format¶

format for displaying values

Type:	string (default: ‘.2f’)

label_color¶

color of the labels

Type:	Color or None (default: None)

font_size¶

label font size in px, em or ex

Type:	string (default: ‘14px’)

font_weight¶

label font weight

Type:	{‘bold’, ‘normal’, ‘bolder’} (default: ‘normal’)

Data Attributes

sizes¶

proportions of the pie slices

Type:	numpy.ndarray (default: [])

color¶

color of the data points. Defaults to colors when not provided.

Type:	numpy.ndarray or None (default: None)

Notes

The fields which can be passed to the default tooltip are:: : the x value associated with the bar/candle open: open value for the bar/candle high: high value for the bar/candle low: low value for the bar/candle close: close value for the bar/candle index: index of the bar/candle being hovered on

__init__(**kwargs)¶: Public constructor

Methods

`__init__`(**kwargs)	Public constructor
`add_traits`(**traits)	Dynamically add trait attributes to the Widget.
`class_own_trait_events`(name)	Get a dict of all event handlers defined on this class, not a parent.
`class_own_traits`(**metadata)	Get a dict of all the traitlets defined on this class, not a parent.
`class_trait_names`(**metadata)	Get a list of all the names of this class’ traits.
`class_traits`(**metadata)	Get a `dict` of all the traits of this class.
`close`()	Close method.
`close_all`()
`get_manager_state`([drop_defaults, widgets])	Returns the full state for a widget manager for embedding
`get_state`([key, drop_defaults])	Gets the widget state, or a piece of it.
`get_view_spec`()
`handle_comm_opened`(comm, msg)	Static method, called when a widget is constructed.
`has_trait`(name)	Returns True if the object has a trait with the specified name.
`hold_sync`()	Hold syncing any state until the outermost context manager exits
`hold_trait_notifications`()	Context manager for bundling trait change notifications and cross validation.
`notify_change`(change)	Called when a property has changed.
`observe`(handler[, names, type])	Setup a handler to be called when a trait changes.
`on_background_click`(callback[, remove])
`on_click`(callback[, remove])
`on_displayed`(callback[, remove])	(Un)Register a widget displayed callback.
`on_element_click`(callback[, remove])
`on_hover`(callback[, remove])
`on_legend_click`(callback[, remove])
`on_legend_hover`(callback[, remove])
`on_msg`(callback[, remove])	(Un)Register a custom msg receive callback.
`on_trait_change`([handler, name, remove])	DEPRECATED: Setup a handler to be called when a trait changes.
`on_widget_constructed`(callback)	Registers a callback to be called when a widget is constructed.
`open`()	Open a comm to the frontend if one isn’t already open.
`send`(content[, buffers])	Sends a custom msg to the widget model in the front-end.
`send_state`([key])	Sends the widget state, or a piece of it, to the front-end, if it exists.
`set_state`(sync_data)	Called when a state is received from the front-end.
`set_trait`(name, value)	Forcibly sets trait attribute, including read-only attributes.
`setup_instance`(args, *kwargs)	This is called before self.__init__ is called.
`trait_events`([name])	Get a `dict` of all the event handlers of this class.
`trait_metadata`(traitname, key[, default])	Get metadata values for trait by key.
`trait_names`(**metadata)	Get a list of all the names of this class’ traits.
`traits`(**metadata)	Get a `dict` of all the traits of this class.
`unobserve`(handler[, names, type])	Remove a trait change handler.
`unobserve_all`([name])	Remove trait change handlers of any type for the specified name.

Attributes

`apply_clip`	A boolean (True, False) trait.
`color`	A numpy array trait type.
`colors`	An instance of a Python list.
`comm`	A trait whose value must be an instance of a specified class.
`cross_validation_lock`	A contextmanager for running a block with our cross validation lock set to True.
`display_labels`	An enum whose value must be in a given sequence.
`display_legend`	A boolean (True, False) trait.
`display_values`	A boolean (True, False) trait.
`enable_hover`	A boolean (True, False) trait.
`end_angle`	A float trait.
`font_size`	A trait for unicode strings.
`font_weight`	An enum whose value must be in a given sequence.
`icon`
`inner_radius`	A float trait.
`interactions`	An instance of a Python dict.
`keys`	An instance of a Python list.
`label_color`	A string holding a valid HTML color such as ‘blue’, ‘#060482’, ‘#A80’
`labels`	An instance of a Python list.
`log`	A trait whose value must be an instance of a specified class.
`mark_types`
`model_id`	Gets the model id of this widget.
`name`
`opacities`	An instance of a Python list.
`preserve_domain`	An instance of a Python dict.
`radius`	A float trait.
`scales`	An instance of a Python dict.
`scales_metadata`	An instance of a Python dict.
`selected`	An instance of a Python list.
`selected_style`	An instance of a Python dict.
`sizes`	A numpy array trait type.
`sort`	A boolean (True, False) trait.
`start_angle`	A float trait.
`stroke`	A string holding a valid HTML color such as ‘blue’, ‘#060482’, ‘#A80’
`tooltip`	A trait whose value must be an instance of a specified class.
`tooltip_location`	An enum whose value must be in a given sequence.
`tooltip_style`	An instance of a Python dict.
`unselected_style`	An instance of a Python dict.
`values_format`	A trait for unicode strings.
`visible`	A boolean (True, False) trait.
`widget_types`
`widgets`
`x`	A trait type representing a Union type.
`y`	A trait type representing a Union type.