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About
Choose round rings when the radar sits among cards and soft shapes, or when you want each ring to read as one distance from the center. If people trace the outline itself, the polygon grid of the plain radar matches it better.
Four concentric circles and six spokes sit behind a 60% filled shape, with a dot on each month's value so the corners have something to land on.
Installation
Usage
import { ChartRadarGridCircle } from "@/components/charts/chart-radar-grid-circle";<ChartRadarGridCircle />Customize
radialGrid({ shape: "circle" })turns the rings round. They sit on the radius scale's ticks:chartLinearScalerounds February's 305 up to 320, so the rings are at 80, 160, 240 and 320.angleGridkeeps the spokes and the month labels. Both guides stroke withvar(--border), so they follow the theme.- A
radialDotmark withr: 4sits on top of theradialAreain a decorative layer of its own, both readingmonthanddesktop. - The
tooltipprop passes{ hideLabel: true }: the tooltip shows only the series row. - The square
mx-auto aspect-square max-h-[250px]container keeps the rings round at every width.
FAQ
How do I switch the grid to circles?
Set shape: "circle" on radialGrid. The rings stay at the same radius values; only their outline changes from a hexagon to a circle. angleGrid still draws the six spokes from the center.
Circles or polygons: which grid should I use?
Polygon rings repeat the shape of the data, which makes the outline easy to trace. Circles keep every ring at one distance from the center, so reading a value against the nearest ring is a little easier, and they look softer in a dashboard.
Why does this version add dots?
Corners of a polygon don't line up with round rings the way they do with polygon rings. The dots give each value a clear point to compare against the circles. Remove the decorative layer that holds the radialDot mark if you prefer the bare shape.
API Reference
ChartContainer
<div> data-slot="chart"
configChartConfig
Each series' label, icon and color, read by the tooltip and the legend.
definitionChartDefinition
The chart: defineChart(spec, chartTooltip()), its data, marks, scales and axes, and the tooltip's focus.
ariaLabelstring
The chart's accessible name: the card's title.
ariaDescription?string
The chart's accessible description.
className?string
The container's size: aspect-auto h-[250px] w-full, mx-auto aspect-square max-h-[250px]. It's aspect-video by default.
children?ReactNode
What sits under the chart inside the container: a ChartLegend.
tooltip?ChartTooltipContentProps | false
ChartTooltipContent's props (indicator, hideLabel, formatter…) for the default body, or false for TanStack's own tooltip body.
- Type
ChartTooltipContentProps | false
renderTooltip?(context: ChartTooltipBodyRenderContext) => ReactNode
A whole tooltip body of your own, in place of ChartTooltipContent: it gets the focused points (each with its datum, group and color).
- Type
(context: ChartTooltipBodyRenderContext) => ReactNode
defaultIndex?number
The category whose tooltip shows before any pointer, as Recharts' defaultIndex.
height?number
A fixed height in pixels for the chart, in place of the container's.
aspectRatio?number
A width-to-height ratio for the chart, in place of the container's height.
initialWidth?number
The width the chart renders at before it's measured.
onFocusChange?(point: ChartPoint | null) => void
Called as the focused point changes: a pointer, a key or a tap.
- Type
(point: ChartPoint | null) => void
onFocusGroupChange?(points: readonly ChartPoint[]) => void
Called with every point at the focused category (a stacked or grouped chart's).
- Type
(points: readonly ChartPoint[]) => void
onSelect?(point: ChartPoint | null) => void
Called when a point is clicked or picked with Enter.
- Type
(point: ChartPoint | null) => void
--color-<key>?color
Each config key's color (its theme color in light and dark), set on the container: the marks paint with var(--color-<key>).
ChartTooltipContent
<div>
pointsreadonly ChartPoint[]
The focused points, from the tooltip's context. ChartContainer passes them to its default body; a body of your own passes its context's.
indicator?"dot" | "line" | "dashed"
The indicator's shape beside each row.
- Type
"dot" | "line" | "dashed"- Default
"dot"
hideLabel?boolean
Hides the label above the rows (the focused category).
- Default
false
hideIndicator?boolean
Hides each row's color indicator.
- Default
false
label?string
The label's text in place of the focused category, looked up in config.
labelKey?string
The datum field (or config key) the label is read from, looked up in config.
nameKey?string
The datum field (or config key) each row's series is read from: a pie's browser.
valueKey?string
The datum field each row's value is read from, for points that carry geometry rather than values (a pie's, from pie()).
color?string
One indicator color for every row, in place of each series' own.
labelFormatter?(label: string, points: readonly ChartPoint[]) => string
Formats the label (the config's label or the category), with the rows' points: a date written out, a unit.
- Type
(label: string, points: readonly ChartPoint[]) => string
formatter?(value: number | string, name: string, item: ChartTooltipItem, index: number) => ReactNode
A row's content in place of its indicator, name and value, as shadcn's formatter: a unit, a currency, a total row.
- Type
(value: number | string, name: string, item: ChartTooltipItem, index: number) => ReactNode
className?string
Classes for the tooltip's card.
ChartLegend
<div>
config?ChartConfig
The series to list: the container's config by default.
keys?readonly string[]
The series keys to list, in order: every key with a color by default.
hideIcon?boolean
Hides each series' icon (from config), leaving its color swatch.
- Default
false
verticalAlign?"top" | "bottom"
Above the chart or under it.
- Type
"top" | "bottom"- Default
"bottom"
className?string
Classes for the legend's row.
ChartConfig
label?string
The series' name in the tooltip and the legend.
icon?Component
An icon beside its name in the legend and the tooltip (a lucide-react icon).
color?string
Its color in both themes: a token (var(--chart-1)) or any CSS color.
theme?{ light: string; dark: string }
A color for each theme, in place of color.
Helpers
chartTooltip?(settings?: ChartTooltipSettings) => ChartDefinitionOptions
defineChart's second argument for a chart with a tooltip: what a pointer or a key focuses (group-x, each category's series, by default), the focus ring, and the host ChartContainer draws its body in.
- Type
(settings?: ChartTooltipSettings) => ChartDefinitionOptions
chartTheme?ChartTheme
defineChart's theme in the site's tokens: the text, the grid and the palette (--chart-1 to --chart-5).
chartColors?(config: ChartConfig, keys?: readonly string[]) => { domain: string[]; range: string[] }
defineChart's color: each series key (in config order, or keys') painted var(--color-<key>), for marks with a color channel.
- Type
(config: ChartConfig, keys?: readonly string[]) => { domain: string[]; range: string[] }
chartLinearScale?() => LinearScale
A value axis drawn as Recharts draws its default one: zero in the domain, five nice ticks. Pass it as a factory: y: { scale: chartLinearScale }.
- Type
() => LinearScale
curveNatural?CurveFactory
D3's natural curve, for a smooth line or area: curve: d3Curve(curveNatural).
curveStep?CurveFactory
D3's step curve, for a line or area that holds each value: curve: d3Curve(curveStep).
curveMonotoneX?CurveFactory
D3's monotone curve, smooth without overshooting a point: curve: d3Curve(curveMonotoneX).
curveLinearClosed?CurveFactory
D3's closed linear curve: a radar's polygon (curve: curveLinearClosed on radialLine and radialArea).
useChart?() => { config: ChartConfig }
The config of the ChartContainer around a component of your own (a custom tooltip body or legend).
- Type
() => { config: ChartConfig }
Related
Radar Chart with Filled Circle Grid
Radar chartsA radar on filled circular grid rings.
Radar Chart with Circle Grid, No Lines
Radar chartsCircular grid rings with no spokes from the center.
Radar Chart
Radar chartsOne series on a polygon grid, six months around the center.
Radar Chart with Dots
Radar chartsA radar with a dot on every value.
Radial Chart with Grid
Radial chartsRadial bars over circular grid lines.
Multiple Radar Chart
Radar chartsTwo series overlaid on the same radar grid.