Pie Chart for Angular
import { AuiPieChart } from '@absoluteui/angular/pie-chart';Styles are included with the component. Behavior, keyboard and screen-reader support, design tokens, and limitations are described on the Pie Chart page; this page covers the Angular API.
Defaults for every instance: provideAbsoluteUIConfig({ components: { pieChart: { ... } } }) (see Configuration).
Example
Section titled “Example”import { Component } from '@angular/core';import { AuiPieChart } from '@absoluteui/angular/pie-chart';import type { PieChartSlice } from '@absoluteui/components/pie-chart';
@Component({ selector: 'app-plans', imports: [AuiPieChart], template: `<aui-pie-chart label="Plan mix" [slices]="slices" [donut]="true"></aui-pie-chart>`,})export class PlansComponent { readonly slices: PieChartSlice[] = [{ id: 'free', label: 'Free', value: 62 }, { id: 'pro', label: 'Pro', value: 38 }];}<aui-pie-chart>
Section titled “<aui-pie-chart>”Class AuiPieChart; template reference #ref="auiPieChart".
Server rendering: Renders on the server; the browser re-creates it after hydration.
Inputs
Section titled “Inputs”| Input | Type | Default | Description |
|---|---|---|---|
label |
string |
Required. Chart title: visible text and the accessible name of the plot (aria-labelledby). | |
hideLabel |
boolean |
false |
Visually hide the title; it stays the accessible name. |
description |
string |
Visible description below the title, also referenced by aria-describedby (text only). | |
summary |
string |
Replaces the generated accessible summary (aria-describedby). | |
valueFormat |
NumberFormatOptions |
Number format for values in tooltips, labels, the data table, the summary, and axis ticks (ticks use fixed fraction digits). | |
formatValue |
(value: number) => string |
Custom value text; overrides valueFormat everywhere except axis ticks. | |
slices |
readonly PieChartSlice[] |
Required. Slices: { id, label, value: number | null, color?: 1-8 }. Negative, null, and non-finite values are not plotted; they are listed in the summary and the table. | |
donut |
boolean |
false |
Render a ring (inner radius 60%). |
centerLabel |
string |
Donut center text. Default: the formatted total of visible slices; empty string: none. aria-hidden (the summary states the total). | |
valueLabel |
string |
Data table header of the value column. Default: localized “Value”. | |
legend |
ChartLegendMode |
'auto' |
auto: legend when there is more than one series (pie charts: always). |
dataTable |
ChartTableMode |
'toggle' |
Data table fallback with the exact data: behind a Show data table button (built on first open), always visible, visually hidden (screen readers only), or none. |
tooltip |
boolean |
true |
Tooltip on pointer hover and keyboard focus. |
patterns |
boolean |
false |
Dash patterns and texture fills so series never differ by color alone. Off by default (plain colors); always on in forced colors. Turn it on when series are told apart by color alone (grouped or stacked series, multi-slice pies) and no labels carry the distinction (WCAG 1.4.1). |
height |
number |
'300' |
Plot height in CSS px (integer 120-2000); the width follows the container. |
sliceLabels |
PieChartSliceLabels |
'percent' |
Text printed on slices large enough to hold it. |
locale |
string |
'en-US' |
Number, date, and message locale. |
direction |
Direction |
'ltr' |
rtl mirrors the category/x axis, the value axis side, and Left/Right arrow keys. |
Two-way bindings
Section titled “Two-way bindings”| Model | Type | Change output | Description |
|---|---|---|---|
[(hiddenSeries)] |
readonly string[] |
(hiddenSeriesChange) |
Ids of series (or slices) hidden initially; update() replaces the hidden set. |
Outputs
Section titled “Outputs”| Output | Payload | Description |
|---|---|---|
(seriesToggled) |
PieChartSeriesToggleDetail |
The user toggled a legend entry (pointer or keyboard). Not emitted for update() or setSeriesVisible(). Re-emits aui-series-toggle. |
Methods
Section titled “Methods”Call them through a viewChild query or a template reference.
| Method | Description |
|---|---|
setSeriesVisible(id: string, visible: boolean): void |
Show or hide a series (slice) programmatically; emits no event. |