{
  "gem": {
    "slug": "heatmap-js-vg-0465",
    "name": "heatmap.js",
    "description": "Canvas heatmap library for point-density overlays with configurable radius, gradient and blur, usable over maps or images.",
    "url": "https://github.com/pa7/heatmap.js",
    "domain": "github.com",
    "author": "Patrick Wied (@patrickwied)",
    "license": "MIT",
    "category": "Data Visualization & Charts",
    "subcategory": "Exploratory & misc",
    "tags": [
      "heatmap",
      "canvas",
      "density",
      "overlay"
    ],
    "whyGem": "The density overlay behind most click-tracking and sports heatmaps",
    "sourceType": "github",
    "image": "/api/public/library/og/VG-0465-480.webp",
    "pageUrl": "https://vibing.inc/library/heatmap-js-vg-0465"
  }
}