Error Bar

data

Use { category, value, low, high } or a symmetric error.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• ErrorBarData

  Type definition

width

Chart width in pixels. If the container width changes, update width from a ResizeObserver.

height

Chart height in pixels. Allow space for axes, titles, and the legend.

brandLogo

The default is the Syidax symbol and wordmark. With the Pro chart.branding entitlement, set none to remove it or provide a PNG, JPEG, or WebP data URL to replace it.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

brandPosition

The corner where the logo is anchored. Community and Pro both support all four corners, using the same position on screen and in image exports.

xAxis

Configure the horizontal axis type, categories, range, and formatting. For a category axis, match the categories order to the value array indices. Charts supporting multiple axes can accept an axis array.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• XAxisInput

  Type definition

yAxis

Configure the vertical axis range, ticks, labels, and direction. Use consistent units for comparisons, and consider a zero baseline when comparing bar lengths.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• YAxisInput

  Type definition

gridLines

Grid lines: the value axis's on by default, the category axis's off.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• CartesianGridLinesInput

  Type definition

crosshair

Crosshair that follows the cursor across the plot.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• CartesianCrosshairInput

  Type definition

zoom

Zoom: 'x' | 'y' | 'xy' | true (x) enable the drag rectangle, the pan (Shift + drag, the arrows), Ctrl + wheel, the pinch and the keyboard (+ / - / Escape) on the primary axes; an object refines them (mode / drag / pan / wheel / pinch / keyboard / minRangePx / resetButton / inside). Off by default; zoomTo / zoomBy / panBy / resetZoom work regardless of the gesture switches.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• CartesianZoomInput

  Type definition

yMin

Set as an HTML attribute or JavaScript property. type: number.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

yMax

Set as an HTML attribute or JavaScript property. type: number.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

padding

The automatic domain pads the span over the bounds by this share (default 5 %); bar mode joins zero.

color

The marker / column colour, the whisker + cap colour, the hovered / focused point.

errorColor

Set as an HTML attribute or JavaScript property. type: string.

activeColor

Set as an HTML attribute or JavaScript property. type: string.

showBars

Bar mode: a column from zero to the value instead of a marker (the domain joins zero).

barWidth

The column's share of the slot pitch (0.6), clamped between bar-min-px and bar-max-px.

barMinPx

Set as an HTML attribute or JavaScript property. type: number.

barMaxPx

Set as an HTML attribute or JavaScript property. type: number.

capWidth

The caps' share of the slot pitch (0.3; clamped 4 … 40 px; 0 hides them), their switch.

showCaps

Set as an HTML attribute or JavaScript property. type: boolean.

markerSize

The marker's size and the whisker's thickness in CSS px.

whiskerWidth

Set as an HTML attribute or JavaScript property. type: number.

chartTitle

The title inside the chart. Explain the data's unit and meaning alongside it.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

chartSubtitle

The subtitle inside the chart.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

enableMouseTracking

Set as an HTML attribute or JavaScript property. type: boolean.

tooltip

The point tooltip (the shared cartesian tooltip input: trigger, format, html, connector …), its switch, a formatter of the default text.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• CartesianTooltipInput

  Type definition

tooltipEnabled

Set as an HTML attribute or JavaScript property. type: boolean.

tooltipFormat

Pass as a JavaScript property. type: (detail: ErrorBarPointEventDetail) => string.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• ErrorBarPointEventDetail

  Type definition

animated

Whether to animate initial display and data changes.

animationDuration

Animation duration in milliseconds.

animationEasing

Allowed values: linear, ease-out, ease-in, ease-in-out. Default: 'ease-out'.

• ErrorBarEasing

  Type definition

animationType

Allowed values: initial, update. Default: undefined.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• ErrorBarAnimationType

  Type definition

streamSource

§3.6: an external stream source (category upserts); without one the chart keeps its own on the first push.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

• ErrorBarStreamSource

  Type definition

streamMax

Points tracked by the internal stream at most (the oldest leave as windowSlid).

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

streamWindow

The newest N streamed items the chart renders (the whole buffer when unset): the N categories pushed most recently keep their points, older streamed categories revert to their data point or leave.

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

engine

Renderer selection: auto, standard, or pro. Engine selection is separate from permission to use a Pro chart type.

• ErrorBarEngineMode

  Type definition

unavailable

Allowed values: fallback, error. Default: 'fallback'.

• ErrorBarUnavailableBehaviour

  Type definition

rendered

Every drawn frame; engine is the engine status (requested / effective / code / the governing license feature).

Event name: rendered. Names are case-sensitive. Read the payload from detail on CustomEvent<ErrorBarRenderResult & { tier: ErrorBarEngineTier; engine?: ChartEngineStatus }>.

chart.addEventListener('rendered', event => {
  console.log(event.detail); // ErrorBarRenderResult & { tier: ErrorBarEngineTier; engine?: ChartEngineStatus }
});

• ErrorBarRenderResult

  Type definition

• ErrorBarEngineTier

  Type definition

• ChartEngineStatus

  Type definition

pointClick

A point selection event. Read the selected data and index from CustomEvent.detail.

Event name: pointClick. Names are case-sensitive. Read the payload from detail on CustomEvent<ErrorBarPointEventDetail>.

chart.addEventListener('pointClick', event => {
  console.log(event.detail); // ErrorBarPointEventDetail
});

• ErrorBarPointEventDetail

  Type definition

pointHover

CustomEvent.detail type: ErrorBarPointEventDetail | null. Event names are case-sensitive.

Event name: pointHover. Names are case-sensitive. Read the payload from detail on CustomEvent<ErrorBarPointEventDetail | null>.

chart.addEventListener('pointHover', event => {
  console.log(event.detail); // ErrorBarPointEventDetail | null
});

• ErrorBarPointEventDetail

  Type definition

crosshairMove

CustomEvent.detail type: CartesianCrosshairEventDetail | null. Event names are case-sensitive.

Event name: crosshairMove. Names are case-sensitive. Read the payload from detail on CustomEvent<CartesianCrosshairEventDetail | null>.

chart.addEventListener('crosshairMove', event => {
  console.log(event.detail); // CartesianCrosshairEventDetail | null
});

• CartesianCrosshairEventDetail

  Type definition

zoomChange

Fired after every zoom change (drag / pan / wheel / pinch / keyboard / api / reset) with the new state.

Event name: zoomChange. Names are case-sensitive. Read the payload from detail on CustomEvent<CartesianZoomChangeEventDetail>.

chart.addEventListener('zoomChange', event => {
  console.log(event.detail); // CartesianZoomChangeEventDetail
});

• CartesianZoomChangeEventDetail

  Type definition

pointContextMenu

CustomEvent.detail type: ChartPointContextMenuEventDetail<ErrorBarPointEventDetail>. Event names are case-sensitive.

Event name: pointContextMenu. Names are case-sensitive. Read the payload from detail on CustomEvent<ChartPointContextMenuEventDetail<ErrorBarPointEventDetail>>.

chart.addEventListener('pointContextMenu', event => {
  console.log(event.detail); // ChartPointContextMenuEventDetail<ErrorBarPointEventDetail>
});

• ChartPointContextMenuEventDetail

  Type definition

• ErrorBarPointEventDetail

  Type definition

appended

CustomEvent.detail type: { count: number; replaced: number }. Event names are case-sensitive.

Event name: appended. Names are case-sensitive. Read the payload from detail on CustomEvent<{ count: number; replaced: number }>.

chart.addEventListener('appended', event => {
  console.log(event.detail); // { count: number; replaced: number }
});

windowSlid

CustomEvent.detail type: { dropped: number }. Event names are case-sensitive.

Event name: windowSlid. Names are case-sensitive. Read the payload from detail on CustomEvent<{ dropped: number }>.

chart.addEventListener('windowSlid', event => {
  console.log(event.detail); // { dropped: number }
});

tooltipShow

The shared tooltip events (the controller emits them).

Event name: tooltipShow. Names are case-sensitive. Read the payload from detail on CustomEvent<CartesianTooltipEventDetail>.

chart.addEventListener('tooltipShow', event => {
  console.log(event.detail); // CartesianTooltipEventDetail
});

• CartesianTooltipEventDetail

  Type definition

tooltipHide

CustomEvent.detail type: void. Event names are case-sensitive.

Event name: tooltipHide. Names are case-sensitive. Read the payload from detail on CustomEvent<void>.

chart.addEventListener('tooltipHide', event => {
  console.log(event.detail); // void
});

tooltipAction

CustomEvent.detail type: CartesianTooltipActionEventDetail. Event names are case-sensitive.

Event name: tooltipAction. Names are case-sensitive. Read the payload from detail on CustomEvent<CartesianTooltipActionEventDetail>.

chart.addEventListener('tooltipAction', event => {
  console.log(event.detail); // CartesianTooltipActionEventDetail
});

• CartesianTooltipActionEventDetail

  Type definition

chartAnimationStart

CustomEvent.detail type: void. Event names are case-sensitive.

Event name: chartAnimationStart. Names are case-sensitive. Read the payload from detail on CustomEvent<void>.

chart.addEventListener('chartAnimationStart', event => {
  console.log(event.detail); // void
});

chartAnimationEnd

CustomEvent.detail type: void. Event names are case-sensitive.

Event name: chartAnimationEnd. Names are case-sensitive. Read the payload from detail on CustomEvent<void>.

chart.addEventListener('chartAnimationEnd', event => {
  console.log(event.detail); // void
});

chartAnimationInterrupted

CustomEvent.detail type: void. Event names are case-sensitive.

Event name: chartAnimationInterrupted. Names are case-sensitive. Read the payload from detail on CustomEvent<void>.

chart.addEventListener('chartAnimationInterrupted', event => {
  console.log(event.detail); // void
});

getDataTable

Current normalized table, including the retained stream; independent of GPU availability.

getDataTable(): Promise<ChartDataTable>

Return type: Promise<ChartDataTable>. Call the method after element registration and await its Promise result.

• ChartDataTable

  Type definition

redraw

Redraw the chart using its current data and options. Inspect the rendered result after the returned Promise resolves.

redraw(): Promise<ErrorBarRenderResult>

Return type: Promise<ErrorBarRenderResult>. Call the method after element registration and await its Promise result.

• ErrorBarRenderResult

  Type definition

getActiveTier

An asynchronous method. Check the argument and return types below.

getActiveTier(): Promise<ErrorBarEngineTier>

Return type: Promise<ErrorBarEngineTier>. Call the method after element registration and await its Promise result.

• ErrorBarEngineTier

  Type definition

getUnavailableReason

Why the WebGPU renderer could not run (the fallback notice's reason); undefined when nothing fell back.

getUnavailableReason(): Promise<string | undefined>

Return type: Promise<string | undefined>. Call the method after element registration and await its Promise result.

setData

Replace the bar set.

setData(data: ErrorBarData): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

• ErrorBarData

  Type definition

appendPoint

Append one value to the stream. Check the argument type and the licensing requirements for streaming.

appendPoint(datum: ErrorBarDatumInput): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

• ErrorBarDatumInput

  Type definition

appendBatch

Append multiple values to the stream. Check the argument type and the licensing requirements for streaming.

appendBatch(data: ReadonlyArray<ErrorBarDatumInput>): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

• ErrorBarDatumInput

  Type definition

shift

Drop the oldest streamed points (the data points are not the stream).

shift(count: number): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

replace

Swap the streamed set (replace([]) clears it); the base values never leave. Without chart.streaming the dies upsert into the base like a batch (quietly: no appended, no binChanged, as a ring replace).

replace(data: ReadonlyArray<ErrorBarDatumInput>): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

• ErrorBarDatumInput

  Type definition

getStreamSource

The stream session's source (Chart Pro): like the stream methods it waits for a license still being confirmed.

getStreamSource(): Promise<ErrorBarStreamSource | undefined>

Return type: Promise<ErrorBarStreamSource | undefined>. Call the method after element registration and await its Promise result.

• ErrorBarStreamSource

  Type definition

setAnimation

An asynchronous method. Check the argument and return types below.

setAnimation(options: { duration?: number; easing?: ErrorBarEasing; enabled?: boolean; type?: ErrorBarAnimationType }): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

• ErrorBarEasing

  Type definition

• ErrorBarAnimationType

  Type definition

pauseAnimation

Pause the current animation.

pauseAnimation(): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

resumeAnimation

Resume a paused animation.

resumeAnimation(): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

replayAnimation

Replay the initial sweep from min → value(s). No-op when animation is off / reduced.

replayAnimation(): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

hitTest

The point under a host-local CSS point (the nearest slot, within half a pitch), or null.

hitTest(cssX: number, cssY: number): Promise<ErrorBarPointEventDetail | null>

Return type: Promise<ErrorBarPointEventDetail | null>. Call the method after element registration and await its Promise result.

• ErrorBarPointEventDetail

  Type definition

getPoint

An asynchronous method. Check the argument and return types below.

getPoint(index: number): Promise<ErrorBarPoint | null>

Return type: Promise<ErrorBarPoint | null>. Call the method after element registration and await its Promise result.

• ErrorBarPoint

  Type definition

getPointByCategory

An asynchronous method. Check the argument and return types below.

getPointByCategory(category: string): Promise<ErrorBarPoint | null>

Return type: Promise<ErrorBarPoint | null>. Call the method after element registration and await its Promise result.

• ErrorBarPoint

  Type definition

getPointCount

An asynchronous method. Check the argument and return types below.

getPointCount(): Promise<number>

Return type: Promise<number>. Call the method after element registration and await its Promise result.

getPoints

An asynchronous method. Check the argument and return types below.

getPoints(): Promise<ErrorBarPoint[]>

Return type: Promise<ErrorBarPoint[]>. Call the method after element registration and await its Promise result.

• ErrorBarPoint

  Type definition

getCategories

An asynchronous method. Check the argument and return types below.

getCategories(): Promise<string[]>

Return type: Promise<string[]>. Call the method after element registration and await its Promise result.

getExtent

An asynchronous method. Check the argument and return types below.

getExtent(): Promise<ErrorBarExtent>

Return type: Promise<ErrorBarExtent>. Call the method after element registration and await its Promise result.

• ErrorBarExtent

  Type definition

getDomain

The data domain the grid spans.

getDomain(): Promise<ErrorBarDomain>

Return type: Promise<ErrorBarDomain>. Call the method after element registration and await its Promise result.

• ErrorBarDomain

  Type definition

showTooltipAtIndex

Open the tooltip on a point (the facade's showTooltipAtPoint routes here); null off the points or with the tooltip off.

showTooltipAtIndex(index: number): Promise<CartesianTooltipEventDetail | null>

Return type: Promise<CartesianTooltipEventDetail | null>. Call the method after element registration and await its Promise result.

• CartesianTooltipEventDetail

  Type definition

hideTooltip

Close the currently visible tooltip.

hideTooltip(): Promise<void>

Return type: Promise<void>. Call the method after element registration and await its Promise result.

focusPointAt

Move the keyboard focus ring to a point (null off the points); emits pointHover like the walk.

focusPointAt(index: number): Promise<ErrorBarPointEventDetail | null>

Return type: Promise<ErrorBarPointEventDetail | null>. Call the method after element registration and await its Promise result.

• ErrorBarPointEventDetail

  Type definition

zoomTo

Zoom to explicit windows: x / y as { min, max } or [min, max] (null clears that orientation); xAxis / yAxis name the axis by id or slot index (default: the primary axis).

zoomTo(request: CartesianZoomRequest): Promise<CartesianZoomChangeEventDetail | null>

Return type: Promise<CartesianZoomChangeEventDetail | null>. Call the method after element registration and await its Promise result.

• CartesianZoomChangeEventDetail

  Type definition

• CartesianZoomRequest

  Type definition

zoomBy

Scale the current windows by factor (< 1 zooms in) around anchorFraction (0..1, default centre).

zoomBy(factor: number, anchorFraction?: number): Promise<CartesianZoomChangeEventDetail | null>

Return type: Promise<CartesianZoomChangeEventDetail | null>. Call the method after element registration and await its Promise result.

• CartesianZoomChangeEventDetail

  Type definition

panBy

Slide the zoomed windows by data units ({ x?, y? }); a no-op at the full extent.

panBy(delta: { x?: number; y?: number }): Promise<CartesianZoomChangeEventDetail | null>

Return type: Promise<CartesianZoomChangeEventDetail | null>. Call the method after element registration and await its Promise result.

• CartesianZoomChangeEventDetail

  Type definition

resetZoom

Reset the zoomed or panned range to the original data range.

resetZoom(): Promise<CartesianZoomChangeEventDetail | null>

Return type: Promise<CartesianZoomChangeEventDetail | null>. Call the method after element registration and await its Promise result.

• CartesianZoomChangeEventDetail

  Type definition

getZoom

Read the current zoom range. Check the return type's nullability and the range for each axis.

getZoom(): Promise<CartesianZoomState | null>

Return type: Promise<CartesianZoomState | null>. Call the method after element registration and await its Promise result.

• CartesianZoomState

  Type definition

getZoomExtent

The full extent (and key) of the primary — or the named — axes (null before the first layout).

getZoomExtent(request?: CartesianZoomExtentRequest): Promise<CartesianZoomExtentDetail | null>

Return type: Promise<CartesianZoomExtentDetail | null>. Call the method after element registration and await its Promise result.

• CartesianZoomExtentDetail

  Type definition

• CartesianZoomExtentRequest

  Type definition

getEngineStatus

Requested engine vs what runs, and why (CHART-ADD-08): the decision for the current inputs, read without side effects (ProChartLicense.engineStatus); a renderer that failed at run time reports engine-unsupported.

getEngineStatus(): Promise<ChartEngineStatus>

Return type: Promise<ChartEngineStatus>. Call the method after element registration and await its Promise result.

• ChartEngineStatus

  Type definition