{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "description": "Horizontally concatenated charts that show different types of discretizing scales.",
  "background": "white",
  "padding": 5,
  "data": [
    {
      "name": "source_0",
      "values": [
        {"a": "A", "b": 28},
        {"a": "B", "b": 55},
        {"a": "C", "b": 43},
        {"a": "D", "b": 91},
        {"a": "E", "b": 81},
        {"a": "F", "b": 53},
        {"a": "G", "b": 19},
        {"a": "H", "b": 87},
        {"a": "I", "b": 52}
      ]
    },
    {
      "name": "data_1",
      "source": "source_0",
      "transform": [
        {
          "type": "filter",
          "expr": "isValid(datum[\"b\"]) && isFinite(+datum[\"b\"])"
        }
      ]
    },
    {
      "name": "data_2",
      "source": "source_0",
      "transform": [
        {
          "type": "filter",
          "expr": "isValid(datum[\"b\"]) && isFinite(+datum[\"b\"])"
        }
      ]
    },
    {
      "name": "data_3",
      "source": "source_0",
      "transform": [
        {
          "type": "filter",
          "expr": "isValid(datum[\"b\"]) && isFinite(+datum[\"b\"])"
        }
      ]
    }
  ],
  "signals": [
    {"name": "childWidth", "value": 20},
    {"name": "concat_0_y_step", "value": 20},
    {
      "name": "concat_0_height",
      "update": "bandspace(domain('concat_0_y').length, 1, 0.5) * concat_0_y_step"
    },
    {"name": "concat_1_y_step", "value": 20},
    {
      "name": "concat_1_height",
      "update": "bandspace(domain('concat_1_y').length, 1, 0.5) * concat_1_y_step"
    },
    {"name": "concat_2_y_step", "value": 20},
    {
      "name": "concat_2_height",
      "update": "bandspace(domain('concat_2_y').length, 1, 0.5) * concat_2_y_step"
    }
  ],
  "layout": {"padding": 20, "bounds": "full", "align": "each"},
  "marks": [
    {
      "type": "group",
      "name": "concat_0_group",
      "style": "cell",
      "encode": {
        "update": {
          "width": {"signal": "childWidth"},
          "height": {"signal": "concat_0_height"}
        }
      },
      "signals": [{"name": "width", "update": "childWidth"}],
      "marks": [
        {
          "name": "concat_0_marks",
          "type": "symbol",
          "style": ["circle"],
          "from": {"data": "data_1"},
          "encode": {
            "update": {
              "opacity": {"value": 0.7},
              "fill": {"scale": "concat_0_color", "field": "b"},
              "ariaRoleDescription": {"value": "circle"},
              "description": {
                "signal": "\"b: \" + (isValid(datum[\"b\"]) ? datum[\"b\"] : \"\"+datum[\"b\"])"
              },
              "x": {"signal": "childWidth", "mult": 0.5},
              "y": {"scale": "concat_0_y", "field": "b"},
              "size": {"scale": "concat_0_size", "field": "b"},
              "shape": {"value": "circle"}
            }
          }
        }
      ],
      "axes": [
        {
          "scale": "concat_0_y",
          "orient": "left",
          "grid": false,
          "domain": false,
          "ticks": false,
          "zindex": 0
        }
      ],
      "legends": [
        {
          "title": "Quantize",
          "fill": "concat_0_color",
          "symbolType": "circle",
          "encode": {"symbols": {"update": {"opacity": {"value": 0.7}}}},
          "size": "concat_0_size"
        }
      ]
    },
    {
      "type": "group",
      "name": "concat_1_group",
      "style": "cell",
      "encode": {
        "update": {
          "width": {"signal": "childWidth"},
          "height": {"signal": "concat_1_height"}
        }
      },
      "signals": [{"name": "width", "update": "childWidth"}],
      "marks": [
        {
          "name": "concat_1_marks",
          "type": "symbol",
          "style": ["circle"],
          "from": {"data": "data_2"},
          "encode": {
            "update": {
              "opacity": {"value": 0.7},
              "fill": {"scale": "concat_1_color", "field": "b"},
              "ariaRoleDescription": {"value": "circle"},
              "description": {
                "signal": "\"b: \" + (isValid(datum[\"b\"]) ? datum[\"b\"] : \"\"+datum[\"b\"])"
              },
              "x": {"signal": "childWidth", "mult": 0.5},
              "y": {"scale": "concat_1_y", "field": "b"},
              "size": {"scale": "concat_1_size", "field": "b"},
              "shape": {"value": "circle"}
            }
          }
        }
      ],
      "axes": [
        {
          "scale": "concat_1_y",
          "orient": "left",
          "grid": false,
          "domain": false,
          "ticks": false,
          "zindex": 0
        }
      ],
      "legends": [
        {
          "format": "d",
          "title": "Quantile",
          "fill": "concat_1_color",
          "labelOverlap": "greedy",
          "symbolType": "circle",
          "encode": {"symbols": {"update": {"opacity": {"value": 0.7}}}},
          "size": "concat_1_size"
        }
      ]
    },
    {
      "type": "group",
      "name": "concat_2_group",
      "style": "cell",
      "encode": {
        "update": {
          "width": {"signal": "childWidth"},
          "height": {"signal": "concat_2_height"}
        }
      },
      "signals": [{"name": "width", "update": "childWidth"}],
      "marks": [
        {
          "name": "concat_2_marks",
          "type": "symbol",
          "style": ["circle"],
          "from": {"data": "data_3"},
          "encode": {
            "update": {
              "opacity": {"value": 0.7},
              "fill": {"scale": "concat_2_color", "field": "b"},
              "ariaRoleDescription": {"value": "circle"},
              "description": {
                "signal": "\"b: \" + (isValid(datum[\"b\"]) ? datum[\"b\"] : \"\"+datum[\"b\"])"
              },
              "x": {"signal": "childWidth", "mult": 0.5},
              "y": {"scale": "concat_2_y", "field": "b"},
              "size": {"scale": "concat_2_size", "field": "b"},
              "shape": {"value": "circle"}
            }
          }
        }
      ],
      "axes": [
        {
          "scale": "concat_2_y",
          "orient": "left",
          "grid": false,
          "domain": false,
          "ticks": false,
          "zindex": 0
        }
      ],
      "legends": [
        {
          "title": "Threshold",
          "fill": "concat_2_color",
          "labelOverlap": "greedy",
          "symbolType": "circle",
          "encode": {"symbols": {"update": {"opacity": {"value": 0.7}}}},
          "size": "concat_2_size"
        }
      ]
    }
  ],
  "scales": [
    {
      "name": "concat_0_y",
      "type": "point",
      "domain": {"data": "data_1", "field": "b"},
      "range": {"step": {"signal": "concat_0_y_step"}},
      "padding": 0.5
    },
    {
      "name": "concat_0_color",
      "type": "quantize",
      "domain": {"data": "data_1", "field": "b"},
      "range": "ramp",
      "zero": true,
      "interpolate": "hcl"
    },
    {
      "name": "concat_0_size",
      "type": "quantize",
      "domain": {"data": "data_1", "field": "b"},
      "range": {
        "signal": "sequence(9, 361 + (361 - 9) / (4 - 1), (361 - 9) / (4 - 1))"
      },
      "zero": false
    },
    {
      "name": "concat_1_y",
      "type": "point",
      "domain": {"data": "data_2", "field": "b"},
      "range": {"step": {"signal": "concat_1_y_step"}},
      "padding": 0.5
    },
    {
      "name": "concat_1_color",
      "type": "quantile",
      "domain": {"data": "data_2", "field": "b"},
      "range": {"scheme": "magma"},
      "interpolate": "hcl"
    },
    {
      "name": "concat_1_size",
      "type": "quantile",
      "domain": {"data": "data_2", "field": "b"},
      "range": [80, 160, 240, 320, 400]
    },
    {
      "name": "concat_2_y",
      "type": "point",
      "domain": {"data": "data_3", "field": "b"},
      "range": {"step": {"signal": "concat_2_y_step"}},
      "padding": 0.5
    },
    {
      "name": "concat_2_color",
      "type": "threshold",
      "domain": [30, 70],
      "range": {"scheme": "viridis"},
      "interpolate": "hcl"
    },
    {
      "name": "concat_2_size",
      "type": "threshold",
      "domain": [30, 70],
      "range": [80, 200, 320]
    }
  ]
}