Area Charts
Area charts are line charts with a filled region below the line.
Basic area chart
Stacked look with multiple series
Custom fill opacity
By default the fill is 30% opacity of the line color. Override with a custom fill value:
Dataset options
| Field | Type | Description |
|---|---|---|
color | string | Line/stroke color (auto-assigned if omitted) |
width | number | Line width in pixels (default: 2) |
fill | string | Fill color (default: line color at 30% opacity) |
dash | array | Dash pattern, e.g. [5, 3] |
points | boolean | Show data point markers |