Line Radar Chart

Visualize multivariate data with clean line-only radar charts. Perfect for comparing multiple datasets without fill distractions, showing clear relationships between different data series. Built for React applications with Next.js integration and TypeScript support.

Recharts

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"use client"import { TrendingUp } from "lucide-react"import { PolarAngleAxis, PolarGrid, Radar, RadarChart } from "recharts"import {  ChartConfig,  ChartContainer,  ChartTooltip,  ChartTooltipContent,} from "@/components/ui/chart"export const description = "A radar chart with lines only"const chartData = [  { month: "January", desktop: 186, mobile: 160 },  { month: "February", desktop: 185, mobile: 170 },  { month: "March", desktop: 207, mobile: 180 },  { month: "April", desktop: 173, mobile: 160 },  { month: "May", desktop: 160, mobile: 190 },  { month: "June", desktop: 174, mobile: 204 },]const chartConfig = {  desktop: {    label: "Desktop",    color: "var(--chart-1)",  },  mobile: {    label: "Mobile",    color: "var(--chart-2)",  },} satisfies ChartConfigexport function ChartRadarLinesOnly() {  return (    <div className="w-full h-full flex flex-col p-4">      <div className="text-center mb-2">        <h3 className="text-lg font-semibold">Radar Chart - Lines Only</h3>        <p className="text-sm text-muted-foreground">          Showing total visitors for the last 6 months        </p>      </div>      <div className="flex-1 flex items-center justify-center min-h-0">        <ChartContainer          config={chartConfig}          className="aspect-square w-80 h-80"        >          <RadarChart data={chartData}>            <ChartTooltip              cursor={false}              content={<ChartTooltipContent indicator="line" />}            />            <PolarAngleAxis dataKey="month" />            <PolarGrid radialLines={false} />            <Radar              dataKey="desktop"              fill="var(--color-desktop)"              fillOpacity={0}              stroke="var(--color-desktop)"              strokeWidth={2}            />            <Radar              dataKey="mobile"              fill="var(--color-mobile)"              fillOpacity={0}              stroke="var(--color-mobile)"              strokeWidth={2}            />          </RadarChart>        </ChartContainer>      </div>      <div className="flex flex-col gap-1 text-sm text-center mt-2">        <div className="flex items-center justify-center gap-2 leading-none font-medium">          Trending up by 5.2% this month <TrendingUp className="h-4 w-4" />        </div>        <div className="text-muted-foreground flex items-center justify-center gap-2 leading-none">          January - June 2024        </div>      </div>    </div>  )}

Installation

npx shadcn@latest add https://www.shadcn.io/registry/radar-chart-03.json

npx shadcn@latest add https://www.shadcn.io/registry/radar-chart-03.json

pnpm dlx shadcn@latest add https://www.shadcn.io/registry/radar-chart-03.json

bunx shadcn@latest add https://www.shadcn.io/registry/radar-chart-03.json

Features

Multi-series line visualization with desktop and mobile data comparison
Clean line-only design with no fill for minimal, focused presentation
Interactive tooltips with line indicators showing data points on hover
No radial lines for cleaner grid appearance using radialLines={false}
Customizable stroke width for better line visibility
Responsive design with automatic scaling to fit container
TypeScript support with complete type definitions for all props
shadcn/ui integration using Chart components

Use Cases

This free open source React component works well for:

Comparative analytics - Compare multiple data series without visual clutter
Performance tracking - Monitor different metrics over time with clear line separation
Multi-platform comparison - Compare desktop vs mobile performance with distinct lines
Trend analysis - Focus on data relationships without fill distractions

API Reference

ChartRadarLinesOnly

Prop	Type	Default	Description
`className`	`string`	-	Additional CSS classes for the container

Implementation Notes

Component displays multiple data series (desktop and mobile) as separate lines
Fill opacity set to 0 for clean line-only appearance
Stroke width set to 2px for optimal visibility
Uses line indicator in tooltips for better data identification
PolarGrid configured without radial lines for cleaner appearance
Data structure requires category field (month) and multiple numeric series
Chart automatically maintains aspect ratio within container
Uses Recharts RadarChart with customized line-only styling