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Version: 1.0.4

Line Chart

Line series over a category axis, with smooth / step / area / stack toggles. Bind it to a named query — this is for query results, not for tag history (use Historian for that).

The Line Chart component as it renders with its default settings.The Line Chart component as it renders with its default settings.

Reach for it when you need:

  • Production by hour from a database
  • Any query result that is a series over categories

Component name: LineChart · Category: Chart

In the palette: Line series over a category axis — toggle smooth / step / area / stack. Bind data to a named query; click a point to expose {{point.value}}.

Properties

Any property can be bound to a tag, another component's property, or a query.

PropertyTypeDefaultDescription
dataarray[{"month":"Jan","revenue":120,"target":100},{"month":"Feb","… (truncated)Array of row objects. Bind to a named query ({{query.MyQuery}}), a tag, or edit inline. Rows map to series via categoryField + seriesFields (auto-derived when empty).
categoryFieldstring""Row key for the category/name axis. Empty ⇒ first non-numeric column.
seriesFieldsarray[]Which columns become series (+ per-series color, and stack/area/renderAs where they apply). Empty ⇒ all numeric columns.
animationbooleantrueEnable enter/update animation.
animationDurationnumber600ms.
animationEasingenumcubicOutOptions: linear · cubicIn · cubicOut · cubicInOut · quadraticOut · elasticOut · bounceOut.
animationDelaynumber0Per-datum stagger (ms).
titleobject{"show":true,"text":"","subtext":"","left":"left"}
legendobject{"show":true,"type":"plain","orient":"horizontal","left":"ce… (truncated)
tooltipobject{"show":true,"trigger":"axis","axisPointerType":"line"}
colorPalettestring""Comma-separated series colors (e.g. #2563eb, #16a34a). Empty ⇒ theme palette.
backgroundColorcolor""Empty ⇒ transparent/theme.
xAxisobject{"show":true,"name":"","type":"category","min":"","max":"","… (truncated)
yAxisobject{"show":true,"name":"","type":"value","min":"","max":"","spl… (truncated)
gridobject{"left":8,"right":16,"containLabel":true}
dataZoomobject{"enabled":false,"type":"inside","start":0,"end":100}
stackbooleanfalse
areabooleanfalse
fillOpacitynumber0.25
enableClickbooleantrueFire the Data click event + expose lastClicked.
lastClickedobject{}Output (bind from this): the last-clicked datum — {{ ThisChart.lastClicked.value }}.
optionOverridestring""Power user: paste a raw JSON object of chart options to deep-merge over the built chart, e.g. {"series":[{"itemStyle":{"color":"#e11"}}]}. Empty = none.
emptyMessagestringNo data
stylestyle{}Custom CSS properties

Events

Attach event actions to these in the Event Manager.

EventLabelGroupPayload
clickClickMouseThe DOM event.
dblclickDouble clickMouseThe DOM event.
contextmenuRight clickMouseThe DOM event.
mouseenterMouse enterMouseThe DOM event.
mouseleaveMouse leaveMouseThe DOM event.
dataClickData clickChartThe clicked datum, under point.
dataDblClickData double clickChartThe clicked datum, under point.
legendSelectLegend toggleChartThe toggled series.
Right-click behaves differently in the Designer

contextmenu fires your configured actions at runtime only — in LiveView and in preview. On the Designer canvas the right-click is captured to open the Event Manager, so testing it there will not run your actions. Test right-click in preview.