KPI · Basic
Gauge
One KPI's current value against its target.
- Use when
- Showing one value against its target, large
- Avoid when
- Comparing several values
Try it
18
Gauge
Quarterly revenue goal (%)
Hover over the chart, or Tab in and use the arrow keys to move between items. The numbers are sample data.
Variants
Named looks for this chart. Each one is the example above with a few options or fields changed. The CLI (ztd-charts example gauge --variant <id>) and the MCP server know the same names.
Half circle
Quarterly revenue goal (%)
Progress ring
Quarterly revenue goal (%)
Lit ticks
Quarterly revenue goal (%)
Code
GaugeChart.tsx
import { ChartCard, GaugeChart } from "ztd-charts";
const data = [
{"label":"Goal reached","value":73,"target":85},
];
export function Example() {
return (
<ChartCard number="18" title="Gauge" subtitle="Quarterly revenue goal (%)" takeaway="12 points left to the goal" level="basic" replay>
<GaugeChart
data={data}
valueKey="value"
targetKey="target"
label="Goal reached"
unit="%"
/>
</ChartCard>
);
}
Props
<GaugeChart> takes these props. Rows marked Common work the same on every chart.
30 props
| Prop |
|---|
dataRequiredAn array of objects. Pass CSV, REST or database rows as they areobject[] |
valueKeyRequiredValue fieldstring | (d, i) => number |
targetKeyTarget fieldstring | (d, i) => number |
minMinimumnumberDefault 0 |
maxMaximumnumberDefault 100 |
labelCaption in the centerstring |
variantShape. ticks lights tick marks up to the value"arc" | "semi" | "ring" | "ticks"Default "arc" |
bandsBand boundaries (arc, semi)number[] |
ticksTick count when variant=ticks. Fits the size by defaultnumber |
heightCommonHeight in px. Without it, each chart picks a default that fits its widthnumber |
widthCommonFixed width in px. Without it, the chart fits its parentnumber |
highlightCommonItem to highlight. An index, a name, an array, or "max" | "min" | "first" | "last" | "none"number | string | (number|string)[] | "max" … |
formatCommonValue format. "number" | "integer" | "percent" (values are already percents: 42 → "42%") | "ratio" (0.42 → "42%") | "compact" | "currency" (KRW for Korean locales, otherwise USD; for another currency pass Intl options with currency) | "decimal" or Intl.NumberFormat options"number" | "percent" | "compact" | … |
unitCommonUnit appended to values. For example "%" or "ms"string |
localeCommonLocale for numbers, dates and the text a chart writes itself (tooltips, screen reader sentences). "ko" or "ko-*" switches to Korean. Falls back to the ThemeProvider localestringDefault "en-US" |
animateCommonEntry and update animationbooleanDefault true |
durationCommonAnimation length (ms)number |
easingCommonMotion curve"spring" | "easeOut" | "easeInOut" | "linear"Default "spring" |
staggerCommonDelay between items as they enter (ms)number |
reducedMotionCommon"auto" follows the OS setting. true always turns motion offanyDefault "auto" |
animateOnViewCommonPlay when the chart scrolls into viewbooleanDefault true |
showLabelsCommonLabels drawn on the chart (values and names)booleanDefault true |
tooltipCommonShow tooltips. { template: "{label} · {value} · owner {owner}" } writes them: {label}, {value}, {series} or any other column of the row. \n starts a new line, and a line with an empty value is left outtooltipDefault true |
syncIdCommonCharts with the same syncId show the hovered x together (line, area, bar, candlestick). <ChartGrid sync> sets one for every chart inside itstring |
ariaLabelCommonName for screen readersstring |
descriptionCommonDescription for screen readers. Built from the data when omittedstring |
onHoverCommonRuns when hover or keyboard focus moves to another item(e: ChartEvent | null) => void |
onClickCommonRuns on click, Enter or Space(e: ChartEvent) => void |
replayKeyCommonReplays the entry animation when it changesstring | number |
themeCommonChanges theme tokens for this chart onlyPartial<ChartTheme> |