{
  "transform": [
    {
      "window": [
        {
          "op": "sum",
          "field": "value",
          "as": "NbPublisPerYear"
        }
      ],
      "frame": [
        null,
        null
      ]
    },
    {
      "calculate": "round(datum.value*1000/datum.NbPublisPerYear)/1000",
      "as": "Taux"
    }
  ],
  "layer": [
    {
      "mark": {
        "type": "bar"
      },
      "encoding": {
        "x": {
          "field": "_id",
          "type": "nominal",
          "axis": {
            "labelAngle": 0,
            "tickMinStep": 1
          },
          "title": "",
          "sort": [
            "Diamond",
            "Gold",
            "Green",
            "Bronze",
            "Hybrid",
            "Closed"
          ]
        },
        "y": {
          "field": "value",
          "type": "quantitative",
          "axis": {
            "labelAngle": 0,
            "tickMinStep": 1
          },
          "scale": {
            "type": "linear"
          },
          "title": ""
        },
        "color": {
          "field": "_id",
          "scale": {
            "domain": [
              "Diamond",
              "Gold",
              "Green",
              "Bronze",
              "Hybrid",
              "Closed"
            ],
            "range": [
              "#00bfff",
              "#f9bc01",
              "#228B22",
              "#c97522",
              "#ffff67",
              "#7f7f7f"
            ]
          },
          "type": "nominal",
          "legend": null
        },
        "tooltip": [
          {
            "field": "_id",
            "type": "nominal",
            "title": "Voie d'accès"
          },
          {
            "field": "value",
            "type": "quantitative",
            "title": "Nb publis"
          },
          {
            "field": "Taux",
            "title": "Taux de publication",
            "format": ".1%",
            "type": "quantitative"
          }
        ],
        "size": {
          "value": 50
        }
      }
    },
    {
      "mark": {
        "type": "text",
        "color": "black",
        "fontSize": 10,
        "fontWeight": "bold",
        "baseline": "bottom",
        "align": "center",
        "dx": 0
      },
      "encoding": {
        "x": {
          "field": "_id",
          "type": "nominal",
          "title": "",
          "sort": [
            "diamond",
            "gold",
            "green",
            "bronze",
            "hybrid",
            "closed"
          ]
        },
        "y": {
          "field": "value",
          "type": "quantitative",
          "axis": null
        },
        "text": {
          "field": "value",
          "type": "quantitative"
        }
      }
    }
  ],
  "padding": {
    "left": 0,
    "right": 0,
    "top": 0,
    "bottom": 0
  },
  "config": {
    "view": {
      "strokeWidth": 0
    }
  },
  "width": 600,
  "height": 300
}