aswi2021codebakers-gitlab/src/vega-analyze/first-analyze/piechart.json @ 532db909

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 400,
  "height": 200,
  "padding": 5,

  "data": [
    {
      "name": "table",
      "values": [
        {"category": "A", "amount": 28},
        {"category": "B", "amount": 55},
        {"category": "C", "amount": 43},
        {"category": "D", "amount": 91},
        {"category": "E", "amount": 81},
        {"category": "F", "amount": 53},
        {"category": "G", "amount": 19},
        {"category": "H", "amount": 87}
      ],
      "transform": [
        {
          "type": "pie",
          "field": "amount",
          "startAngle": 0,
          "endAngle": 6.29,
          "sort": false
        }
      ]
    }
  ],

  "scales": [
    {
      "name": "color",
      "type": "ordinal",
      "domain": {"data":  "table", "field": "category"},
      "range": {"scheme" : "dark2"}
    }
  ],

  "marks": [
    {
      "type": "arc",
      "from": {"data": "table"},
      "encode": {
        "enter": {
          "fill": {
            "scale": "color",
            "field": "category"
          },
          "x": {
            "signal": "width / 2"
          },
          "y": {
            "signal": "height / 2"
          },
          "startAngle": {
            "field": "startAngle"
          },
          "endAngle": {
            "field": "endAngle"
          },
          "outerRadius": {
            "signal": "width / 3"
          }
        },
        "update": {
          "stroke": {
            "value": "black"
          },
          "strokeWidth": {
            "value": 1
          }
        },
        "hover": {
          "stroke": {
            "value": "red"
          },
          "strokeWidth": {
            "value": 3
          }
        }
      }
    }
  ]
}