{
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  "background": "white",
  "padding": 5,
  "width": 200,
  "height": 200,
  "data": [
    {
      "name": "source_0",
      "url": "data/movies.json",
      "format": {"type": "json"},
      "transform": [
        {
          "type": "extent",
          "field": "IMDB Rating",
          "signal": "layer_1_bin_maxbins_10_IMDB_Rating_extent"
        },
        {
          "type": "bin",
          "field": "IMDB Rating",
          "as": [
            "bin_maxbins_10_IMDB Rating",
            "bin_maxbins_10_IMDB Rating_end"
          ],
          "signal": "layer_1_bin_maxbins_10_IMDB_Rating_bins",
          "extent": {"signal": "layer_1_bin_maxbins_10_IMDB_Rating_extent"},
          "maxbins": 10
        },
        {
          "type": "aggregate",
          "groupby": [
            "bin_maxbins_10_IMDB Rating",
            "bin_maxbins_10_IMDB Rating_end"
          ],
          "ops": ["count"],
          "fields": [null],
          "as": ["__count"]
        }
      ]
    },
    {
      "name": "data_0",
      "source": "source_0",
      "transform": [
        {
          "type": "filter",
          "expr": "isValid(datum[\"bin_maxbins_10_IMDB Rating\"]) && isFinite(+datum[\"bin_maxbins_10_IMDB Rating\"])"
        }
      ]
    },
    {
      "name": "data_1",
      "source": "source_0",
      "transform": [
        {
          "type": "filter",
          "expr": "isValid(datum[\"bin_maxbins_10_IMDB Rating\"]) && isFinite(+datum[\"bin_maxbins_10_IMDB Rating\"])"
        }
      ]
    }
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  "marks": [
    {
      "name": "layer_0_marks",
      "type": "arc",
      "style": ["arc"],
      "from": {"data": "data_0"},
      "encode": {
        "update": {
          "stroke": {"value": "white"},
          "tooltip": {
            "signal": "{\"IMDB Rating (binned)\": !isValid(datum[\"bin_maxbins_10_IMDB Rating\"]) || !isFinite(+datum[\"bin_maxbins_10_IMDB Rating\"]) ? \"null\" : format(datum[\"bin_maxbins_10_IMDB Rating\"], \"\") + \" – \" + format(datum[\"bin_maxbins_10_IMDB Rating_end\"], \"\"), \"Count of Records\": format(datum[\"__count\"], \"\")}"
          },
          "fill": {"value": "#4c78a8"},
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            "signal": "\"IMDB Rating (binned): \" + (!isValid(datum[\"bin_maxbins_10_IMDB Rating\"]) || !isFinite(+datum[\"bin_maxbins_10_IMDB Rating\"]) ? \"null\" : format(datum[\"bin_maxbins_10_IMDB Rating\"], \"\") + \" – \" + format(datum[\"bin_maxbins_10_IMDB Rating_end\"], \"\")) + \"; Count of Records: \" + (format(datum[\"__count\"], \"\"))"
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          "x": {"signal": "width", "mult": 0.5},
          "y": {"signal": "height", "mult": 0.5},
          "outerRadius": {"scale": "radius", "field": "__count"},
          "innerRadius": {"scale": "radius", "value": 0},
          "endAngle": {"scale": "theta", "field": "bin_maxbins_10_IMDB Rating"},
          "startAngle": {
            "scale": "theta",
            "field": "bin_maxbins_10_IMDB Rating_end"
          }
        }
      }
    },
    {
      "name": "layer_1_marks",
      "type": "text",
      "style": ["text"],
      "from": {"data": "data_1"},
      "encode": {
        "update": {
          "align": {"value": "right"},
          "fill": {"value": "black"},
          "description": {
            "signal": "\"IMDB Rating (binned): \" + (!isValid(datum[\"bin_maxbins_10_IMDB Rating\"]) || !isFinite(+datum[\"bin_maxbins_10_IMDB Rating\"]) ? \"null\" : format(datum[\"bin_maxbins_10_IMDB Rating\"], \"\") + \" – \" + format(datum[\"bin_maxbins_10_IMDB Rating_end\"], \"\")) + \"; Count of Records: \" + (format(datum[\"__count\"], \"\"))"
          },
          "x": {"signal": "width", "mult": 0.5},
          "y": {"signal": "height", "mult": 0.5},
          "text": {
            "signal": "!isValid(datum[\"bin_maxbins_10_IMDB Rating\"]) || !isFinite(+datum[\"bin_maxbins_10_IMDB Rating\"]) ? \"null\" : format(datum[\"bin_maxbins_10_IMDB Rating\"], \"\") + \" – \" + format(datum[\"bin_maxbins_10_IMDB Rating_end\"], \"\")"
          },
          "angle": {
            "signal": "scale(\"angle\", 0.5 * datum[\"bin_maxbins_10_IMDB Rating\"] + 0.5 * datum[\"bin_maxbins_10_IMDB Rating_end\"])"
          },
          "baseline": {"value": "middle"},
          "radius": {"scale": "radius", "field": "__count", "offset": 15},
          "theta": {
            "signal": "scale(\"theta\", 0.5 * datum[\"bin_maxbins_10_IMDB Rating\"] + 0.5 * datum[\"bin_maxbins_10_IMDB Rating_end\"])"
          }
        }
      }
    }
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  "scales": [
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      "name": "theta",
      "type": "linear",
      "domain": {
        "signal": "[layer_1_bin_maxbins_10_IMDB_Rating_bins.start, layer_1_bin_maxbins_10_IMDB_Rating_bins.stop]"
      },
      "range": [0, 6.283185307179586],
      "bins": {"signal": "layer_1_bin_maxbins_10_IMDB_Rating_bins"},
      "zero": false
    },
    {
      "name": "radius",
      "type": "sqrt",
      "domain": {
        "fields": [
          {"data": "data_0", "field": "__count"},
          {"data": "data_1", "field": "__count"}
        ]
      },
      "range": [0, {"signal": "min(width,height)/2"}],
      "zero": true
    },
    {
      "name": "angle",
      "type": "linear",
      "domain": {
        "signal": "[layer_1_bin_maxbins_10_IMDB_Rating_bins.start, layer_1_bin_maxbins_10_IMDB_Rating_bins.stop]"
      },
      "range": [90, 450],
      "bins": {"signal": "layer_1_bin_maxbins_10_IMDB_Rating_bins"},
      "zero": false
    }
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}