Module: ol/layer/Layer

Classes

Layer

Type Definitions

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

Options{Object}

Properties:

Name	Type	Description
className	string (defaults to 'ol-layer')	A CSS class name to set to the layer element.
opacity	number (defaults to 1)	Opacity (0, 1).
visible	boolean (defaults to true)	Visibility.
extent	Extent | undefined	The bounding extent for layer rendering. The layer will not be rendered outside of this extent.
zIndex	number | undefined	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 | undefined	The minimum resolution (inclusive) at which this layer will be visible.
maxResolution	number | undefined	The maximum resolution (exclusive) below which this layer will be visible.
minZoom	number | undefined	The minimum view zoom level (exclusive) above which this layer will be visible.
maxZoom	number | undefined	The maximum view zoom level (inclusive) at which this layer will be visible.
source	SourceType | undefined	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 | undefined	Map.
render	RenderFunction | undefined	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, *> | undefined	Arbitrary observable properties. Can be accessed with #get() and #set().

RenderFunction()

layer/Layer.js, line 13

State{Object}

Properties:

Name	Type	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 | undefined	Extent.
zIndex	number	ZIndex.
maxResolution	number	Maximum resolution.
minResolution	number	Minimum resolution.
minZoom	number	Minimum zoom.
maxZoom	number	Maximum zoom.