{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "description": "Top-K plot with \"others\" by Trevor Manz, adapted from https://observablehq.com/@manzt/top-k-plot-with-others-vega-lite-example.",
  "background": "white",
  "padding": 5,
  "width": 200,
  "title": {
    "text": "Top Directors by Average Worldwide Gross",
    "frame": "group"
  },
  "style": "cell",
  "data": [
    {
      "name": "source_0",
      "url": "data/movies.json",
      "format": {"type": "json"},
      "transform": [
        {
          "type": "aggregate",
          "groupby": ["Director"],
          "ops": ["mean"],
          "fields": ["Worldwide Gross"],
          "as": ["aggregate_gross"]
        },
        {
          "type": "window",
          "params": [null],
          "as": ["rank"],
          "ops": ["row_number"],
          "fields": [null],
          "sort": {"field": ["aggregate_gross"], "order": ["descending"]}
        },
        {
          "type": "formula",
          "expr": "datum.rank < 10 ? datum.Director : 'All Others'",
          "as": "ranked_director"
        }
      ]
    },
    {
      "name": "data_0",
      "source": "source_0",
      "transform": [
        {
          "type": "aggregate",
          "groupby": ["ranked_director"],
          "ops": ["mean"],
          "fields": ["aggregate_gross"],
          "as": ["mean_aggregate_gross"]
        },
        {
          "type": "filter",
          "expr": "isValid(datum[\"mean_aggregate_gross\"]) && isFinite(+datum[\"mean_aggregate_gross\"])"
        }
      ]
    }
  ],
  "signals": [
    {"name": "y_step", "value": 20},
    {
      "name": "height",
      "update": "bandspace(domain('y').length, 0.1, 0.05) * y_step"
    }
  ],
  "marks": [
    {
      "name": "marks",
      "type": "rect",
      "style": ["bar"],
      "from": {"data": "data_0"},
      "encode": {
        "update": {
          "fill": {"value": "#4c78a8"},
          "ariaRoleDescription": {"value": "bar"},
          "description": {
            "signal": "\"Mean of aggregate_gross: \" + (format(datum[\"mean_aggregate_gross\"], \"\")) + \"; ranked_director: \" + (isValid(datum[\"ranked_director\"]) ? datum[\"ranked_director\"] : \"\"+datum[\"ranked_director\"])"
          },
          "x": {"scale": "x", "field": "mean_aggregate_gross"},
          "x2": {"scale": "x", "value": 0},
          "y": {"scale": "y", "field": "ranked_director"},
          "height": {"scale": "y", "band": 1}
        }
      }
    }
  ],
  "scales": [
    {
      "name": "x",
      "type": "linear",
      "domain": {"data": "data_0", "field": "mean_aggregate_gross"},
      "range": [0, {"signal": "width"}],
      "nice": true,
      "zero": true
    },
    {
      "name": "y",
      "type": "band",
      "domain": {
        "data": "source_0",
        "field": "ranked_director",
        "sort": {
          "op": "mean",
          "field": "aggregate_gross",
          "order": "descending"
        }
      },
      "range": {"step": {"signal": "y_step"}},
      "paddingInner": 0.1,
      "paddingOuter": 0.05
    }
  ],
  "axes": [
    {
      "scale": "x",
      "orient": "bottom",
      "gridScale": "y",
      "grid": true,
      "tickCount": {"signal": "ceil(width/40)"},
      "domain": false,
      "labels": false,
      "aria": false,
      "maxExtent": 0,
      "minExtent": 0,
      "ticks": false,
      "zindex": 0
    },
    {
      "scale": "x",
      "orient": "bottom",
      "grid": false,
      "labelFlush": true,
      "labelOverlap": true,
      "tickCount": {"signal": "ceil(width/40)"},
      "zindex": 0
    },
    {"scale": "y", "orient": "left", "grid": false, "zindex": 0}
  ]
}