GeomArea

Area geometry: a filled region from the y baseline (zero) to the y value, connected in x order per group. Use for stacked composition-over-time charts. With stat align, series with different x samples share a common grid for stack/fill.

Defaults

geom

area

default stat

identity

default position

stack

params type

AreaParams

Svelte component

import { GGPlot, GeomArea } from "@ggsvelte/svelte";

<GGPlot data={rows} aes={{ x: "x", y: "y" }}>
  <GeomArea />
</GGPlot>

JSON layer

{
  "geom": "area"
}

Params

alpha

number

Area fill opacity. Must be between 0 and 1 (inclusive). Default 1.

fillPaint

GradientPaint

Within-mark gradient fill paint (not a data scale). Requires a solid fallback.

glow

GlowSpec

Bounded within-mark glow treatment (not theme decoration).

Allowed stats

• identity default
• unique
• align

Allowed positions

• stack default
• fill
• dodge
• identity

Examples

• Halley's life table, 1693
• Deaths in the Crimea, 1854 to 1856

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