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Zoom level view for OpenLayers

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Developer-Plexscape/ol-zoom-level

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Welcome to ol-zoom-level 👋

Twitter: plexearth

OpenLayers zoom level library. Adds a zoom level view on an OpenLayers map that displays the current zoom level.

Preview

Install

npm install ol-zoom-level

Usage

To use ol-zoom-level, first you need to load OpenLayers JavaScript library along with its corresponsing CSS.

<script src="https://openlayers.org/en/v4.6.5/build/ol.js"></script>
<link rel="stylesheet" href="https://openlayers.org/en/v4.6.5/css/ol.css" type="text/css">

Then, load the ol-zoom-level library from node_modules

<script src="./node_modules/ol-zoom-level/build.js"></script>

Finally, in your existing OpenLayers application, add ol-zoom-level HTML element and pass the OpenLayers map object as a property.

const zoomLevel = document.createElement('ol-zoom-level');

// map is the OpenLayers map object
zoomLevel.map = map;

document.body.appendChild(zoomLevel);

Please note that if you are creating the zoom level control synchronously with the creation of the map, you may need to introduce a timeout so that the map has enough time to instantiate.

Author

👤 Plexscape

🤝 Contributing

Contributions, issues and feature requests are welcome!

Feel free to check issues page.