Radial Column Chart

Monthly values derive equal-width annular sectors with radius resolved by the polar-sector layout.

Radial Column Chart

Data Sources

4

Fields

20

Scales

1

Layers

5

Glyphs

21

path 5 / text 11 / rect 5

Jan: 31 (11.52%)Feb: 44 (16.36%)Mar: 52 (19.33%)Apr: 68 (25.28%)May: 74 (27.51%)3144526874JanFebMarAprMayMonth

Data Flow Diagram

0/210 nodes
0/351 edges
210 hidden

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Scope

Roles

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scale
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Available Data

4 tables
1 transforms

Monthly index

monthly-index
raw
4 columns
feeds radial-column-layout

ChartSpec

{
  "id": "catalogue.radial-column",
  "data": [
    {
      "id": "monthly-index",
      "rows": 5
    },
    {
      "id": "columns",
      "rows": 5
    },
    {
      "id": "__guide.month-legend",
      "rows": 5
    },
    {
      "id": "__guide.month-legend.title",
      "rows": 1
    }
  ],
  "transforms": [
    {
      "id": "radial-column-layout",
      "type": "layout",
      "input": "monthly-index",
      "output": "columns",
      "options": {
        "innerRadius": 54,
        "labelField": "month",
        "layout": "plot",
        "layoutKind": "polarSectors",
        "layoutMode": "equalAngleRadius",
        "outerRadius": 146,
        "paddingInner": 2.8,
        "value": "value"
      }
    }
  ],
  "legends": [
    {
      "id": "month-legend",
      "scale": "color",
      "kind": "color",
      "title": "Month"
    }
  ],
  "fields": [
    "month",
    "value",
    "pathD",
    "innerRadius",
    "outerRadius",
    "labelX",
    "labelY",
    "formatted",
    "tooltip",
    "startAngle",
    "endAngle",
    "midAngle",
    "share",
    "percentLabel",
    "label",
    "x",
    "y",
    "symbolX",
    "symbolY",
    "text"
  ],
  "scales": [
    {
      "id": "color",
      "type": "ordinal",
      "domain": {
        "source": "field",
        "data": "columns",
        "field": "month"
      }
    }
  ],
  "layers": [
    {
      "id": "month-legend-swatches",
      "mark": "rect",
      "role": "guide"
    },
    {
      "id": "month-legend-labels",
      "mark": "text",
      "role": "guide"
    },
    {
      "id": "month-legend-title",
      "mark": "text",
      "role": "guide"
    },
    {
      "id": "radial-columns",
      "mark": "path",
      "role": "data",
      "path": {
        "directD": true,
        "areaBand": false,
        "closedToY": false,
        "curve": "linear",
        "groupBy": [
          "id"
        ]
      }
    },
    {
      "id": "column-values",
      "mark": "text",
      "role": "guide"
    }
  ]
}

Resolved SceneGraph

{
  "scene": "catalogue.radial-column.scene",
  "scales": [
    {
      "id": "color",
      "type": "ordinal",
      "domain": [
        "Jan",
        "Feb",
        "Mar",
        "Apr",
        "May"
      ],
      "range": [
        "var(--colors-blue-9)",
        "var(--colors-green-9)",
        "var(--colors-amber-9)",
        "var(--colors-purple-9)",
        "var(--colors-red-9)"
      ]
    }
  ],
  "layers": [
    {
      "id": "radial-columns",
      "role": "data",
      "zIndex": 10,
      "glyphs": 5
    },
    {
      "id": "column-values",
      "role": "guide",
      "zIndex": 20,
      "glyphs": 5
    },
    {
      "id": "month-legend-swatches",
      "role": "guide",
      "zIndex": 30,
      "glyphs": 5
    },
    {
      "id": "month-legend-labels",
      "role": "guide",
      "zIndex": 31,
      "glyphs": 5
    },
    {
      "id": "month-legend-title",
      "role": "guide",
      "zIndex": 32,
      "glyphs": 1
    }
  ]
}

Glyph Data Tree

5 layers

Full parameter lineage for the active compiler surface.

radial-columns

5

column-values

5

month-legend-swatches

5

month-legend-labels

5

month-legend-title

1

Glyph Inspector

none

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