Chart.js/test/fixtures/scale.radialLinear/gridlines-z.json

{
  "config": {
    "type": "radar",
    "data": {
      "labels": ["A", "B", "C", "D", "E"],
      "datasets": [
        {
          "backgroundColor": "rgba(255, 0, 0, 1)",
          "data": [1, 2, 3, 3, 3]
        }
      ]
    },
    "options": {
      "responsive": false,
      "scales": {
        "r": {
          "gridLines": {
            "color": "rgba(0, 0, 0, 1)",
            "lineWidth": 1,
            "z": 1
          },
          "angleLines": {
            "color": "rgba(0, 0, 255, 1)",
            "lineWidth": 1
          },
          "pointLabels": {
            "display": false
          },
          "ticks": {
            "display": false
          }
        }
      },
      "plugins": {
        "legend": false,
        "title": false,
        "tooltip": false,
        "filler": true
      }
    }
  }
}