Angular PieChart API

The PieChart is a UI component that visualizes data as a circle divided into sectors that each represents a portion of the whole.

import { DxPieChartModule } from "devextreme-angular"

Type: DxPieChartTypes.default

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Properties

An object that defines configuration properties for the PieChart UI component.

Name	Description
adaptiveLayout	Specifies adaptive layout properties.
animation	Specifies animation properties.
centerComponent	An alias for the centerTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.
centerRender	An alias for the centerTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.
centerTemplate	Specifies a custom template for content in the pie's center.
commonSeriesSettings	An object defining the configuration properties that are common for all series of the PieChart UI component.
customizeLabel	Customizes the appearance of an individual point label.
customizePoint	Customizes the appearance of an individual series point.
dataSource	Binds the UI component to data.
diameter	Specifies the diameter of the pie.
disabled	Specifies whether the UI component responds to user interaction.
elementAttr	Specifies the global attributes to be attached to the UI component's container element.
export	Configures the exporting and printing features.
innerRadius	Specifies the fraction of the inner radius relative to the total radius in the series of the 'doughnut' type. The value should be between 0 and 1.
legend	Specifies PieChart legend properties.
loadingIndicator	Configures the loading indicator.
margin	Generates space around the UI component.
minDiameter	Specifies the minimum diameter of the pie.
onDisposing	A function that is executed before the UI component is disposed of.
onDone	A function that is executed when all series are ready.
onDrawn	A function that is executed when the UI component's rendering has finished.
onExported	A function that is executed after the UI component is exported.
onExporting	A function that is executed before the UI component is exported.
onFileSaving	A function that is executed before a file with exported UI component is saved to the user's local storage.
onIncidentOccurred	A function that is executed when an error or warning occurs.
onInitialized	A function used in JavaScript frameworks to save the UI component instance.
onLegendClick	A function that is executed when a legend item is clicked or tapped.
onOptionChanged	A function that is executed after a UI component property is changed.
onPointClick	A function that is executed when a series point is clicked or tapped.
onPointHoverChanged	A function that is executed after the pointer enters or leaves a series point.
onPointSelectionChanged	A function that is executed when a series point is selected or selection is canceled.
onTooltipHidden	A function that is executed when a tooltip becomes hidden.
onTooltipShown	A function that is executed when a tooltip appears.
palette	Sets the palette to be used to colorize series and their elements.
paletteExtensionMode	Specifies what to do with colors in the palette when their number is less than the number of series (in the Chart UI component) or points in a series (in the PieChart UI component).
pathModified	Notifies the UI component that it is embedded into an HTML page that uses a tag modifying the path.
pointSelectionMode	Specifies whether a single point or multiple points can be selected in the chart.
redrawOnResize	Specifies whether to redraw the UI component when the size of the parent browser window changes or a mobile device rotates.
resolveLabelOverlapping	Specifies how a chart must behave when point labels overlap.
rtlEnabled	Switches the UI component to a right-to-left representation.
segmentsDirection	Specifies the direction that the pie chart segments will occupy.
series	Specifies properties for the series of the PieChart UI component.
seriesTemplate	Defines properties for the series template.
size	Specifies the UI component's size in pixels.
sizeGroup	Allows you to display several adjoining pies in the same size.
startAngle	Specifies the angle in arc degrees from which the first segment of a pie chart should start.
theme	Sets the name of the theme the UI component uses.
title	Configures the UI component's title.
tooltip	Configures tooltips.
type	Specifies the type of the pie chart series.

Methods

Name	Description
beginUpdate()	Prevents the UI component from refreshing until the endUpdate() method is called.
clearSelection()	Deselects the chart's selected series. The series is displayed in an initial style.
dispose()	Disposes of all the resources allocated to the PieChart instance.
element()	Gets the root UI component element.
endUpdate()	Refreshes the UI component after a call of the beginUpdate() method.
exportTo(fileName, format)	Exports the UI component.
getAllSeries()	Gets all the series.
getDataSource()	Gets the DataSource instance.
getInnerRadius()	Gets the radius of the doughnut hole in pixels. Applies only when the type is "doughnut" or "donut".
getInstance(element)	Gets the instance of a UI component found using its DOM node.
getSeriesByName(seriesName)	Gets a series with a specific name.
getSeriesByPos(seriesIndex)	Gets a series with a specific index.
getSize()	Gets the current UI component size.
hideLoadingIndicator()	Hides the loading indicator.
hideTooltip()	Hides all UI component tooltips.
instance()	Gets the UI component's instance. Use it to access other methods of the UI component.
off(eventName)	Detaches all event handlers from a single event.
off(eventName, eventHandler)	Detaches a particular event handler from a single event.
on(eventName, eventHandler)	Subscribes to an event.
on(events)	Subscribes to events.
option()	Gets all UI component properties.
option(optionName)	Gets the value of a single property.
option(optionName, optionValue)	Updates the value of a single property.
option(options)	Updates the values of several properties.
print()	Opens the browser's print window.
refresh()	Reloads data and repaints the UI component.
render()	Redraws the UI component.
render(renderOptions)	Redraws the UI component.
resetOption(optionName)	Resets an property to its default value.
showLoadingIndicator()	Shows the loading indicator.
svg()	Gets the UI component's SVG markup.

Events

This section describes events fired by this UI component.

Name	Description
disposing	Raised before the UI component is disposed of.
done	Raised when all series are ready.
drawn	Raised when the UI component's rendering has finished.
exported	Raised after the UI component is exported.
exporting	Raised before the UI component is exported.
fileSaving	Raised before a file with exported UI component is saved to the user's local storage.
incidentOccurred	Raised when an error or warning occurs.
initialized	Raised only once, after the UI component is initialized.
legendClick	Raised when a legend item is clicked or tapped.
optionChanged	Raised after a UI component property is changed.
pointClick	Raised when a series point is clicked or tapped.
pointHoverChanged	Raised after the pointer enters or leaves a series point.
pointSelectionChanged	Raised when a series point is selected or selection is canceled.
tooltipHidden	Raised when a tooltip becomes hidden.
tooltipShown	Raised when a tooltip appears.