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Radar chart

Legend Radar Chart

Visualize and compare multiple data series with an integrated legend for clear identification. Perfect for multi-series comparisons where data series need clear labeling and identification. Built for React applications with Next.js integration and TypeScript support.

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Installation

npx shadcn@latest add https://www.shadcn.io/registry/radar-chart-12.json
npx shadcn@latest add https://www.shadcn.io/registry/radar-chart-12.json
pnpm dlx shadcn@latest add https://www.shadcn.io/registry/radar-chart-12.json
bunx shadcn@latest add https://www.shadcn.io/registry/radar-chart-12.json

Features

  • Integrated legend using ChartLegend and ChartLegendContent components
  • Multiple data series comparison with desktop and mobile data overlays
  • Custom chart margins (top: -40, bottom: -10) to accommodate legend spacing
  • Legend positioning with mt-8 class for proper spacing below chart
  • Line indicator tooltips showing data points for both series on hover
  • Different fill opacities (desktop: 0.6, mobile: default) for visual hierarchy
  • Distinct color coding using chart-1 and chart-2 CSS variables
  • 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:

  • Multi-series dashboards - Clear identification of different data series
  • Comparative analysis - Easy reference for which line represents what data
  • Executive presentations - Professional appearance with clear data labeling
  • Educational materials - Helps users understand what each data series represents
  • Complex data visualization - Essential when displaying multiple overlapping series

API Reference

ChartRadarLegend

PropTypeDefaultDescription
classNamestring-Additional CSS classes for the container

Implementation Notes

  • ChartLegend component positioned below the radar chart with mt-8 spacing
  • Custom chart margins adjust space allocation for legend placement
  • Uses ChartLegendContent for consistent styling with other chart components
  • Two Radar components for desktop and mobile data series
  • Desktop series uses 0.6 fillOpacity, mobile uses default for visual contrast
  • Tooltip configured with indicator="line" for multi-series identification
  • Legend automatically displays series labels from chartConfig
  • Colors are automatically applied from CSS variables (--chart-1, --chart-2)
  • Data structure requires category field (month) and multiple numeric series
  • Chart automatically maintains aspect ratio within container
  • Legend provides essential context for interpreting multiple data series
  • Perfect for scenarios where data series identification is crucial