circle_custom_tick_labels.vg.json

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "background": "white",
  "padding": 5,
  "width": 200,
  "style": "cell",
  "data": [
    {"name": "source_0", "url": "data/movies.json", "format": {"type": "json"}},
    {
      "name": "data_0",
      "source": "source_0",
      "transform": [
        {
          "type": "aggregate",
          "groupby": ["Major Genre"],
          "ops": ["mean"],
          "fields": ["IMDB Rating"],
          "as": ["mean_IMDB Rating"]
        },
        {
          "type": "filter",
          "expr": "isValid(datum[\"mean_IMDB Rating\"]) && isFinite(+datum[\"mean_IMDB Rating\"])"
        }
      ]
    }
  ],
  "signals": [
    {"name": "y_step", "value": 20},
    {
      "name": "height",
      "update": "bandspace(domain('y').length, 1, 0.5) * y_step"
    }
  ],
  "marks": [
    {
      "name": "marks",
      "type": "symbol",
      "style": ["circle"],
      "from": {"data": "data_0"},
      "encode": {
        "update": {
          "size": {"value": 80},
          "fill": {"value": "#4c78a8"},
          "ariaRoleDescription": {"value": "circle"},
          "description": {
            "signal": "\"Mean of IMDB Rating: \" + (format(datum[\"mean_IMDB Rating\"], \"\")) + \"; Major Genre: \" + (isValid(datum[\"Major Genre\"]) ? datum[\"Major Genre\"] : \"\"+datum[\"Major Genre\"])"
          },
          "x": {"scale": "x", "field": "mean_IMDB Rating"},
          "y": {"scale": "y", "field": "Major Genre"},
          "shape": {"value": "circle"}
        }
      }
    }
  ],
  "scales": [
    {
      "name": "x",
      "type": "linear",
      "domain": [0, 10],
      "range": [0, {"signal": "width"}],
      "nice": true,
      "zero": true
    },
    {
      "name": "y",
      "type": "point",
      "domain": {
        "data": "source_0",
        "field": "Major Genre",
        "sort": {"op": "mean", "field": "IMDB Rating"}
      },
      "range": {"step": {"signal": "y_step"}},
      "padding": 0.5
    }
  ],
  "axes": [
    {
      "scale": "x",
      "orient": "bottom",
      "values": [0, 5, 10],
      "gridScale": "y",
      "grid": true,
      "domain": false,
      "labels": false,
      "aria": false,
      "maxExtent": 0,
      "minExtent": 0,
      "ticks": false,
      "zindex": 0
    },
    {
      "scale": "x",
      "orient": "bottom",
      "grid": false,
      "labelFlush": false,
      "values": [0, 5, 10],
      "labelOverlap": true,
      "encode": {
        "labels": {
          "update": {
            "text": {
              "signal": "datum.label == 0 ? 'Poor' : datum.label == 5 ? 'Neutral' : 'Great'"
            }
          }
        }
      },
      "zindex": 0
    },
    {"scale": "y", "orient": "left", "grid": false, "zindex": 0}
  ]
}