GeomCol

Column geometry: one rectangle per data row, from the y baseline (zero) to the row's y value. Use when the data already contains the bar heights — prefer over GeomBar, which counts or bins.

Defaults

geom

col

default stat

identity

default position

stack

params type

ColParams

Svelte component

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

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

JSON layer

{
  "geom": "col"
}

Params

alpha

number

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

width

number

Bar width as a fraction of the band step. Must be greater than 0 and at most 1. Default 0.9.

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

Allowed positions

• stack default
• fill
• dodge
• identity

Examples

• Armada tonnage by squadron, 1588
• Chests of 5,738 Scottish soldiers
• Long category labels at a narrow width
• One long label among short ones
• The same chests under theme_linedraw
• The Salk vaccine field trial, 1954
• Counting yeast under a microscope

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