ZoomCharts Documentation
Version: 1.21.9 (2025-10-05)
Switch to Version 2.0 (BETA)

ZoomCharts.Configuration.PieChartSettingsLabels

Methods

This type does not define any methods.

Properties

angle: number

Label rotation angle.

angledConnectorBend: number

Where the bend occurs for the angled connector. 0 means it is exactly halfway between the label and the pie. -1 means it is at the label, and 1 means it is at the pie.

connectorLength: number

Minimal connector length from slice to label.

connectorType: "curved" | "straight" | "angled" | "strictAngled" | "constrained"

Connector line type.

Valid values:
  • curved - curved lines
  • straight - straight lines
  • angled - lines away from the pie with a configurable bend, then horizontally towards the label
  • strictAngled - lines directly away from the pie, then horizontally towards the label
  • constrained - lines using only 45-degree multiples (0°, 45°, 90°, etc.)
connectors: boolean

Whether to show connector lines for labels.

enabled: boolean

Show/hide labels.

includeName: boolean

Whether to include the name in the label

includePercent: boolean

Whether to include the percent in the label

insideLabel: "always" | "auto" | "append"

Inside label placement method.

Valid values:
  • always - always show
  • auto - show only when available area is at least insideLabelVisibilityFraction from label size
  • append - same as auto, but append inside label to normal label when it cannot be shown inside.
insideLabelVisibilityFraction: number

Inside label is not shown if the fraction of label that fits inside slice is smaller than this.

interLabelSpacing: number

Min distance between labels, as a fraction of line height.

labelAppendFunction: (outerText: string, innerText: string, isRightSide: boolean) => string
Parameters
outerText: string
innerText: string
isRightSide: boolean
Return value
Data type: string
maxMultiLabelWidth: number

Maximum width of the multi label, with null or undefined for no limit.

placement: "aligned" | "forceAligned" | "wrap"

Outside labels placement method.

Valid values:
  • aligned - align labels in vertical lines. If not enough space, wrap labels around the pie.
  • forceAligned - align labels in vertical lines, and don't show labels if not enough space.
  • wrap - wrap labels tightly around pie
useMultiLabelStyles: boolean

Whether to use multiple label styles for the same slice.

X