How to control the visibility of a layer?

How to control the visibility of a layer?

Using minZoom and maxZoom to control layer visibility. Layers support minZoom and maxZoom options for controlling visibility based on the view’s zoom level. If min or max zoom are set, the layer will only be visible at zoom levels greater than the minZoom and less than or equal to the maxZoom.

How to create a layer in OpenLayers API?

The minimum view zoom level (exclusive) above which this layer will be visible. The maximum view zoom level (inclusive) at which this layer will be visible. Source for this layer. If not provided to the constructor, the source can be set by calling layer.setSource (source) after construction.

When to instantiate base class in OpenLayers?

Base class from which all layer types are derived. This should only be instantiated in the case where a custom layer is be added to the map with a custom render function. Such a function can be specified in the options object, and is expected to return an HTML element. A visual representation of raster or vector map data.

How to set the opacity of a layer?

Set the opacity of the layer, allowed values range from 0 to 1. The opacity of the layer. Sets a collection of key-value pairs. Note that this changes any existing properties and adds new ones (it does not remove any existing properties). Values.

Which is the latest version of OpenLayers for Photoshop?

This example uses OpenLayers v 6.5.0. The latest is v 6.5.0 . Using minZoom and maxZoom to control layer visibility. Layers support minZoom and maxZoom options for controlling visibility based on the view’s zoom level.

How to set zoom limit on OSM layer?

If min or max zoom are set, the layer will only be visible at zoom levels greater than the minZoom and less than or equal to the maxZoom. After construction, the layer’s setMinZoom and setMaxZoom can be used to set limits. This example shows an OSM layer at zoom levels 14 and lower and a USGS layer at zoom levels higher than 14.