Comparison · Intermediate

Radar chart

Compares several metrics at once.

Open in playground

Use when: Products or candidates scored on 5 to 8 metrics
Avoid when: More than 3 series (they overlap and get hard to read)

Try it

Reduce motion

Radar chart

Product ratings (out of 100)

Our app
Industry average

Radar chart data
Speed	Our app 86, Industry average 72
Stability	Our app 78, Industry average 74
Design	Our app 92, Industry average 68
Price	Our app 64, Industry average 71
Support	Our app 70, Industry average 66
Features	Our app 81, Industry average 75

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 radar --variant <id>) and the MCP server know the same names.

Round grid

Product ratings (out of 100)

Our app
Industry average

Three rings

Product ratings (out of 100)

Our app
Industry average

Code

RadarChart.tsx

import { ChartCard, RadarChart } from "ztd-charts";

const data = [
  {"metric":"Speed","product":"Our app","score":86},
  {"metric":"Stability","product":"Our app","score":78},
  {"metric":"Design","product":"Our app","score":92},
  {"metric":"Price","product":"Our app","score":64},
  {"metric":"Support","product":"Our app","score":70},
  {"metric":"Features","product":"Our app","score":81},
  // … 6 more rows
];

export function Example() {
  return (
    <ChartCard number="11" title="Radar chart" subtitle="Product ratings (out of 100)" takeaway="Ahead on design, behind on price" level="intermediate" legend={[{"label":"Our app","color":"accent"},{"label":"Industry average","color":"neutralStrong"}]} replay>
      <RadarChart
        data={data}
        axis="metric"
        value="score"
        series="product"
      />
    </ChartCard>
  );
}

Props

<RadarChart> takes these props. Rows marked Common work the same on every chart.

28 props

Prop	Type	Default	Description
`data`RequiredAn array of objects. Pass CSV, REST or database rows as they areobject[]	object[]	-	An array of objects. Pass CSV, REST or database rows as they are
`axis`RequiredMetric (axis) fieldstring \| (d, i) => string	string \| (d, i) => string	-	Metric (axis) field
`value`RequiredValue fieldstring \| (d, i) => number \| string[]	string \| (d, i) => number \| string[]	-	Value field
`series`Series fieldstring \| (d, i) => string	string \| (d, i) => string	-	Series field
`max`Value of the outer ringnumber	number	-	Value of the outer ring
`levels`Number of ringsnumberDefault `4`	number	4	Number of rings
`circular`Round grid instead of polygonsbooleanDefault `false`	boolean	false	Round grid instead of polygons
`height`CommonHeight in px. Without it, each chart picks a default that fits its widthnumber	number	-	Height in px. Without it, each chart picks a default that fits its width
`width`CommonFixed width in px. Without it, the chart fits its parentnumber	number	-	Fixed width in px. Without it, the chart fits its parent
`highlight`CommonItem to highlight. An index, a name, an array, or "max" \| "min" \| "first" \| "last" \| "none"number \| string \| (number\|string)[] \| "max" …	number \| string \| (number\|string)[] \| "max" …	-	Item to highlight. An index, a name, an array, or "max" \| "min" \| "first" \| "last" \| "none"
`format`CommonValue 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" \| …	"number" \| "percent" \| "compact" \| …	-	Value 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
`unit`CommonUnit appended to values. For example "%" or "ms"string	string	-	Unit appended to values. For example "%" or "ms"
`locale`CommonLocale 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"`	string	"en-US"	Locale 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 locale
`animate`CommonEntry and update animationbooleanDefault `true`	boolean	true	Entry and update animation
`duration`CommonAnimation length (ms)number	number	-	Animation length (ms)
`easing`CommonMotion curve"spring" \| "easeOut" \| "easeInOut" \| "linear"Default `"spring"`	"spring" \| "easeOut" \| "easeInOut" \| "linear"	"spring"	Motion curve
`stagger`CommonDelay between items as they enter (ms)number	number	-	Delay between items as they enter (ms)
`reducedMotion`Common"auto" follows the OS setting. true always turns motion offanyDefault `"auto"`	any	"auto"	"auto" follows the OS setting. true always turns motion off
`animateOnView`CommonPlay when the chart scrolls into viewbooleanDefault `true`	boolean	true	Play when the chart scrolls into view
`showLabels`CommonLabels drawn on the chart (values and names)booleanDefault `true`	boolean	true	Labels drawn on the chart (values and names)
`tooltip`CommonShow 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`	tooltip	true	Show 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 out
`syncId`CommonCharts with the same syncId show the hovered x together (line, area, bar, candlestick). <ChartGrid sync> sets one for every chart inside itstring	string	-	Charts with the same syncId show the hovered x together (line, area, bar, candlestick). <ChartGrid sync> sets one for every chart inside it
`ariaLabel`CommonName for screen readersstring	string	-	Name for screen readers
`description`CommonDescription for screen readers. Built from the data when omittedstring	string	-	Description for screen readers. Built from the data when omitted
`onHover`CommonRuns when hover or keyboard focus moves to another item(e: ChartEvent \| null) => void	(e: ChartEvent \| null) => void	-	Runs when hover or keyboard focus moves to another item
`onClick`CommonRuns on click, Enter or Space(e: ChartEvent) => void	(e: ChartEvent) => void	-	Runs on click, Enter or Space
`replayKey`CommonReplays the entry animation when it changesstring \| number	string \| number	-	Replays the entry animation when it changes
`theme`CommonChanges theme tokens for this chart onlyPartial<ChartTheme>	Partial<ChartTheme>	-	Changes theme tokens for this chart only

Try it

Variants

Code

Props

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