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PieSeries Class

Module: charts

PieSeries visualizes data as a circular chart divided into wedges which represent data as a percentage of a whole.

Methods

_addHotspot

(
  • cfg
  • seriesIndex
  • index
)
private

Adds an interactive map when rendering in canvas.

Parameters:

  • cfg Object

    Object containing data used to draw the hotspot

  • seriesIndex Number

    Index of series in the seriesCollection.

  • index Number

    Index of the marker using the hotspot.

_categoryAxisChangeHandler

(
  • e
)
private

Event handler for the categoryAxisChange event.

Parameters:

  • e Object

    Event object.

_categoryDataChangeHandler

(
  • event
)
private

Event handler for categoryDataChange event.

Parameters:

  • event Object

    Event object.

_createMarker

(
  • styles
  • order
  • index
)
private

Creates a shape to be used as a marker.

Parameters:

  • styles Object

    Hash of style properties.

  • order Number

    Order of the series.

  • index Number

    Index within the series associated with the marker.

Returns:

Shape

_createMarkerCache

() private

Creates a cache of markers for reuse.

_getDefaultColor

(
  • index
  • type
)
protected

Colors used if style colors are not specified

Parameters:

  • index Number

    Index indicating the series order.

  • type String

    Indicates which type of object needs the color.

Returns:

String

_getPlotDefaults

() private

Gets the default style values for the markers.

Returns:

Object

_redraw

() private

Redraws the chart instance.

_setMap

() private

Creates or updates the image map when rendered with canvas.

_valueAxisChangeHandler

(
  • e
)
private

Event handler for the valueAxisChange event.

Parameters:

  • e Object

    Event object.

_valueDataChangeHandler

(
  • event
)
private

Event handler for valueDataChange event.

Parameters:

  • event Object

    Event object.

addListeners

() private

Adds event listeners.

draw

() protected

Draws the series. Overrides the base implementation.

drawPlots

() protected

Draws the markers

updateMarkerState

(
  • type
  • i
)
protected

Resizes and positions markers based on a mouse interaction.

Parameters:

  • type String

    state of the marker

  • i Number

    index of the marker

validate

() private

Draws the series.

Properties

_categoryDisplayName

Unknown private

Storage for categoryDisplayName attribute.

_defaultBorderColors

Array protected

Collection of default colors used for marker borders in a series when not specified by user.

_defaultFillColors

Array protected

Collection of default colors used for marker fills in a series when not specified by user.

_defaultLineColors

Array protected

Collection of default colors used for lines in a series when not specified by user.

_defaultSliceColors

Array protected

Collection of default colors used for area fills, histogram fills and pie fills in a series when not specified by user.

_image

HTMLElement private

Image used for image map when rendered with canvas.

_map

HTMLElement private

Image map used for interactivity when rendered with canvas.

_valueDisplayName

Unknown private

Storage for valueDisplayName attribute.

GUID

String private

Constant used to generate unique id.

Attributes

categoryKey

String

Indicates which array to from the hash of value arrays in the category Axis instance.

Legend

The legend for the chart.

order

Number

Order of this instance of this type.

graph

Graph

Reference to the Graph in which the series is drawn into.

categoryAxis

Axis

Reference to the Axis instance used for assigning category values to the graph.

categoryAxis

Axis

Reference to the Axis instance used for assigning series values to the graph.

type

String

Read-only attribute indicating the type of series.

Default: pie

valueKey

String

Indicates which array to from the hash of value arrays in the value Axis instance.

categoryDisplayName

String

Name used for for displaying category data

valueDisplayName

String

Name used for for displaying value data

slices

Array private

styles

Object

Style properties used for drawing markers. This attribute is inherited from MarkerSeries. Below are the default values:

fill
A hash containing the following values:
colors
An array of colors to be used for the marker fills. The color for each marker is retrieved from the array below: ["#66007f", "#a86f41", "#295454", "#996ab2", "#e8cdb7", "#90bdbd","#000000","#c3b8ca", "#968373", "#678585"]
alphas
An array of alpha references (Number from 0 to 1) indicating the opacity of each marker fill. The default value is [1].
border
A hash containing the following values:
color
An array of colors to be used for the marker borders. The color for each marker is retrieved from the array below: ["#205096", "#b38206", "#000000", "#94001e", "#9d6fa0", "#e55b00", "#5e85c9", "#adab9e", "#6ac291", "#006457"]
alpha
Number from 0 to 1 indicating the opacity of the marker border. The default value is 1.
weight
Number indicating the width of the border. The default value is 1.
over
hash containing styles for markers when highlighted by a mouseover event. The default values for each style is null. When an over style is not set, the non-over value will be used. For example, the default value for marker.over.fill.color is equivalent to marker.fill.color.