KPI · Intermediate
Radial bar chart
Ratios such as progress toward goals, drawn as rings.
- Use when
- Showing progress on 3 to 6 goals in one view
- Avoid when
- Comparing values precisely (outer rings look longer)
Try it
17
Radial bar chart
Progress toward quarterly goals
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 radialBar --variant <id>) and the MCP server know the same names.
Half circle
Progress toward quarterly goals
Full circle
Progress toward quarterly goals
Code
RadialBarChart.tsx
import { ChartCard, RadialBarChart } from "ztd-charts";
const data = [
{"goal":"Revenue","rate":82},
{"goal":"Sign-ups","rate":64},
{"goal":"Repeat buys","rate":91},
{"goal":"NPS","rate":47},
];
export function Example() {
return (
<ChartCard number="17" title="Radial bar chart" subtitle="Progress toward quarterly goals" takeaway="Only repeat buys are near the goal" level="intermediate" replay>
<RadialBarChart
data={data}
label="goal"
value="rate"
unit="%"
format="integer"
/>
</ChartCard>
);
}
Props
<RadialBarChart> takes these props. Rows marked Common work the same on every chart.
26 props
| Prop |
|---|
dataRequiredAn array of objects. Pass CSV, REST or database rows as they areobject[] |
labelRequiredItem name fieldstring | (d, i) => string |
valueRequiredValue fieldstring | (d, i) => number |
maxValue of one full turnnumberDefault 100 |
sweepArc length in degreesnumberDefault 270 |
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> |