{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "description": "Source: https://vega.github.io/vega-lite/examples/histogram_log.html",
  "background": "white",
  "padding": 5,
  "width": 200,
  "height": 200,
  "style": "cell",
  "data": [
    {
      "name": "source_0",
      "values": [
        {"x": 0.01},
        {"x": 0.1},
        {"x": 1},
        {"x": 1},
        {"x": 1},
        {"x": 1},
        {"x": 10},
        {"x": 10},
        {"x": 100},
        {"x": 500},
        {"x": 800}
      ]
    },
    {
      "name": "data_0",
      "source": "source_0",
      "transform": [
        {"type": "formula", "expr": "log(datum.x)/log(10)", "as": "log_x"},
        {
          "type": "extent",
          "field": "log_x",
          "signal": "bin_maxbins_10_log_x_extent"
        },
        {
          "type": "bin",
          "field": "log_x",
          "as": ["bin_log_x", "bin_log_x_end"],
          "signal": "bin_maxbins_10_log_x_bins",
          "extent": {"signal": "bin_maxbins_10_log_x_extent"},
          "maxbins": 10
        },
        {"type": "formula", "expr": "pow(10, datum.bin_log_x)", "as": "x1"},
        {"type": "formula", "expr": "pow(10, datum.bin_log_x_end)", "as": "x2"},
        {
          "type": "aggregate",
          "groupby": ["x1", "x2"],
          "ops": ["count"],
          "fields": [null],
          "as": ["__count"]
        },
        {
          "type": "filter",
          "expr": "isValid(datum[\"x1\"]) && isFinite(+datum[\"x1\"])"
        }
      ]
    }
  ],
  "marks": [
    {
      "name": "marks",
      "type": "rect",
      "style": ["bar"],
      "from": {"data": "data_0"},
      "encode": {
        "update": {
          "fill": {"value": "#4c78a8"},
          "ariaRoleDescription": {"value": "bar"},
          "description": {
            "signal": "\"x1: \" + (format(datum[\"x1\"], \"\")) + \"; x2: \" + (format(datum[\"x2\"], \"\")) + \"; Count of Records: \" + (format(datum[\"__count\"], \"\"))"
          },
          "x": {"scale": "x", "field": "x1"},
          "x2": {"scale": "x", "field": "x2"},
          "y": {"scale": "y", "field": "__count"},
          "y2": {"scale": "y", "value": 0}
        }
      }
    }
  ],
  "scales": [
    {
      "name": "x",
      "type": "log",
      "domain": {"data": "data_0", "fields": ["x1", "x2"]},
      "range": [0, {"signal": "width"}],
      "base": 10,
      "nice": true,
      "padding": 5
    },
    {
      "name": "y",
      "type": "linear",
      "domain": {"data": "data_0", "field": "__count"},
      "range": [{"signal": "height"}, 0],
      "nice": true,
      "zero": true
    }
  ],
  "axes": [
    {
      "scale": "x",
      "orient": "bottom",
      "tickCount": 5,
      "gridScale": "y",
      "grid": true,
      "domain": false,
      "labels": false,
      "aria": false,
      "maxExtent": 0,
      "minExtent": 0,
      "ticks": false,
      "zindex": 0
    },
    {
      "scale": "y",
      "orient": "left",
      "gridScale": "x",
      "grid": true,
      "tickCount": {"signal": "ceil(height/40)"},
      "domain": false,
      "labels": false,
      "aria": false,
      "maxExtent": 0,
      "minExtent": 0,
      "ticks": false,
      "zindex": 0
    },
    {
      "scale": "x",
      "orient": "bottom",
      "grid": false,
      "title": "x1, x2",
      "tickCount": 5,
      "labelFlush": true,
      "labelOverlap": "greedy",
      "zindex": 0
    },
    {
      "scale": "y",
      "orient": "left",
      "grid": false,
      "title": "Count of Records",
      "labelOverlap": true,
      "tickCount": {"signal": "ceil(height/40)"},
      "zindex": 0
    }
  ]
}