Module: ol/layer/Layer

ol/layer/Layer

Classes

Layer

Type Definitions

LayerEventType{'sourceready'} {'change:source'}

Options{Object}

Properties:

Name	Type	Argument	Default	Description
`className`	string	<optional>	'ol-layer'	A CSS class name to set to the layer element.
`opacity`	number	<optional>	1	Opacity (0, 1).
`visible`	boolean	<optional>	true	Visibility.
`extent`	Extent	<optional>		The bounding extent for layer rendering. The layer will not be rendered outside of this extent.
`zIndex`	number	<optional>		The z-index for layer rendering. At rendering time, the layers will be ordered, first by Z-index and then by position. When `undefined`, a `zIndex` of 0 is assumed for layers that are added to the map's `layers` collection, or `Infinity` when the layer's `setMap()` method was used.
`minResolution`	number	<optional>		The minimum resolution (inclusive) at which this layer will be visible.
`maxResolution`	number	<optional>		The maximum resolution (exclusive) below which this layer will be visible.
`minZoom`	number	<optional>		The minimum view zoom level (exclusive) above which this layer will be visible.
`maxZoom`	number	<optional>		The maximum view zoom level (inclusive) at which this layer will be visible.
`source`	SourceType	<optional>		Source for this layer. If not provided to the constructor, the source can be set by calling `layer.setSource(source)` after construction.
`map`	Map \| null	<optional>		Map.
`render`	RenderFunction	<optional>		Render function. Takes the frame state as input and is expected to return an HTML element. Will overwrite the default rendering for the layer.
`properties`	Object.<string, *>	<optional>		Arbitrary observable properties. Can be accessed with `#get()` and `#set()`.

RenderFunction() layer/Layer.js, line 13

State{Object}

Properties:

Name	Type	Argument	Description
`layer`	Layer		Layer.
`opacity`	number		Opacity, the value is rounded to two digits to appear after the decimal point.
`visible`	boolean		Visible.
`managed`	boolean		Managed.
`extent`	Extent	<optional>	Extent.
`zIndex`	number		ZIndex.
`maxResolution`	number		Maximum resolution.
`minResolution`	number		Minimum resolution.
`minZoom`	number		Minimum zoom.
`maxZoom`	number		Maximum zoom.