Vega rug plot

rugplot.json

{
  "name": "Vega Visualization",
  "height": 20,
  "padding": "auto",
  "marks": [
    {
      "name": "cell",
      "marks": [
        {
          "properties": {
            "update": {
              "height": {
                "value": 14
              },
              "x": {
                "field": "x",
                "scale": "x"
              },
              "width": {
                "value": 1
              },
              "fill": {
                "value": "#4682b4"
              },
              "opacity": {
                "value": 0.7
              },
              "y": {
                "value": 0
              }
            },
            "enter": {
              "height": {
                "value": 14
              },
              "x": {
                "field": "x",
                "scale": "x"
              },
              "width": {
                "value": 1
              },
              "fill": {
                "value": "#4682b4"
              },
              "opacity": {
                "value": 0.7
              },
              "y": {
                "value": 0
              }
            }
          },
          "from": {
            "data": "table"
          },
          "type": "rect"
        }
      ],
      "properties": {
        "enter": {
          "height": {
            "value": 20
          },
          "width": {
            "value": 400
          }
        }
      },
      "axes": [
        {
          "titleOffset": 38,
          "format": "",
          "layer": "back",
          "properties": {
            "stroke": {
              "value": "#000000"
            },
            "opacity": {
              "value": 0.08
            }
          },
          "title": "",
          "grid": true,
          "type": "x",
          "scale": "x",
          "ticks": 5
        }
      ],
      "scales": [
        {
          "reverse": false,
          "name": "x",
          "nice": true,
          "zero": true,
          "range": [
            0,
            400
          ],
          "domain": {
            "data": "table",
            "field": "x"
          },
          "type": "linear",
          "round": true
        }
      ],
      "type": "group"
    }
  ],
  "data": [
    {
      "name": "table",
      "values": [
        {
          "x": 160,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 160,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 108,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 258,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 360,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 225,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 360,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 146.7,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 140.8,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 167.6,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 167.6,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 275.8,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 275.8,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 275.8,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 472,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 460,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 440,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 78.7,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 75.7,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 71.1,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 120.1,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 318,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 304,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 350,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 400,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 79,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 120.3,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 95.1,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 351,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 145,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 301,
          "y2": 0,
          "group": 1,
          "y": 0
        },
        {
          "x": 121,
          "y2": 0,
          "group": 1,
          "y": 0
        }
      ]
    }
  ],
  "width": 400
}