IGeoLayerArea

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IGeoLayerArea interface

Area layer configuration.

Signature:

export interface IGeoLayerArea extends IGeoLayerBase 

Extends: IGeoLayerBase

Remarks

An area layer renders geographic regions (countries, states, provinces, etc.) as filled polygons, creating a choropleth map visualization.

The area attribute should reference a geographic attribute whose values map to known geographic regions. The component uses geocoding to match attribute values to geographic boundaries.

Supported region types include: - Countries (by name or ISO code) - States/Provinces - Administrative regions - Custom geographic boundaries

Features: - **Color-coded regions**: Use the color property for data-driven fill colors - **Segmentation**: Use segmentBy to categorize regions - **Opacity control**: Configure fill opacity via chart config

Properties

Property	Modifiers	Type	Description
area		IAttribute	Geographic area attribute.
type		"area"