LayerSwitcher

LayerSwitcher is the layer switcher control. It extends Control. It shows a set of checkboxes on the map to toggle the visibility of base layers and overlay layers. It is displayed by default at the top-right corner.

import { LayerSwitcher } from "maptalks";

const layerSwitcher = new LayerSwitcher({
  baseTitle: "Base",
  overlayTitle: "Overlay"
}).addTo(map);

Constructor

new LayerSwitcher(options)

Parameters:

• options — LayerSwitcher control options.

options

Name	Type	Description	Default
position	String	The control position	"top-right"
baseTitle	String	The base layer group title	'Base Layers'
overlayTitle	String	The overlay layer group title	'Layers'
excludeLayers	Array	Layers to exclude	[]
containerClass	String	The CSS class of the container	'maptalks-layer-switcher'

Events

• layerchange — Fired when layer visibility changes.