Vector Maps with OpenLayers

Advanced User Setup

For easier setup and pre-built features, consider using OpenLayers with Slpy JS

OpenLayers

OpenLayers is an open-source library that has a large community of developers and a wide range of supported formats and data sources.

Link	Description
Homepage	The Projects home for OpenLayers
Reference	Information, examples, and plugins
Github	Source code

Use the code below for a quick and easy setup.

Notice Our "latest" branch is updated with the newest tested versions. A best effort is made to maintain legacy compatibility with previous versions, but you may consider self hosting or using a CDN.

CSS Styling

Copy-paste the stylesheet <link> lines below into your <head>.

<!-- Open Layers CSS -->
<link href="https://api.slpy.com/lib/ol/latest/ol.css" rel="stylesheet">

Item	Description
Open Layers	Open Source library for displaying vector maps.
Font-Awesome	Vector icon library for showing Points of Interest icons

JS Libraries

Copy-paste the javascript <script> lines below into your <head> or into the <body> before the map loading scripts.

<!-- Open Layers -->
<script src="https://api.slpy.com/lib/ol/latest/ol.js"></script>

<!-- Open Layers Mapbox Style -->
<script src="https://api.slpy.com/lib/olms/latest/olms.js"></script>

Item	Description
Open Layers	Open Source library for displaying vector maps.
Open Layers Mapbox Style	OpenLayers developed plugin for using Mapbox/Maplibre GL styles.

Attribution

Our maps are built with the help of thousands of public and private sources and open projects. Allowing it's display satisfies their required attributions.

© <a href="https://www.slpy.com">Slpy</a> 
© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors

Example Config

Everything needed to make a functional map. Check out the Map Settings page for additional features and customization

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  
  <title>Hello World!</title>
  <!-- Open Layers CSS -->
  <link href="https://api.slpy.com/lib/ol/latest/ol.css" rel="stylesheet">
  
  <!-- Open Layers -->
  <script src="https://api.slpy.com/lib/ol/latest/ol.js"></script>

  <!-- Open Layers Mapbox Style -->
  <script src="https://api.slpy.com/lib/olms/latest/olms.js"></script>
  </head>
<body>
    <style>
    .map {
        width: 100%;
        height:400px;
    }
   </style>
   <div id="map" class="map"></div>
   <script type="text/javascript">
   		//settings
		var apiKey = 'your_api_key';
   		var targetDivId = 'map';
		mapLanguage = 'en';
   		
   		var latitude = '0.0'; //latitude of your map center
   		var longitude = '-0.0'; //longitude of your map center
   		var startZoom =  '3';
   		
		//map code
   		var center = [longitude,latitude];
   		var view = new ol.View({
			center: ol.proj.fromLonLat(center),
			zoom: startZoom,
			maxZoom: 20
		});
   		var map = new ol.Map({
   		    layers: [new ol.layer.VectorTile({
			  declutter: true,
			  source: new ol.source.VectorTile({
			  maxZoom: 15,
			  tileSize: 512,
			  renderMode: 'hybrid',
			  attributions: '© <a href="https://www.slpy.com">Slpy</a> © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
			  format: new ol.format.MVT(),
				url: 'https://api.slpy.com/v1/vector/'+mapLanguage+'/{z}/{x}/{y}.pbf?key=' + apiKey
			  }),
			  style: styleFunction(ol.style, view, targetDivId)
			})],
   		    target: targetDivId,
   		    view: view
   		});
		olms.apply(map, "https://www.slpy.com/style/slpy-mgl-style.json?key=" + apiKey);
    </script>
</body>
</html>

Item	Description
apiKey	Sign up or Log in, then create a Key from your account page.
targetDivId	Id name you used in your map div. You can change the id, but it should always have a class of "map".
mapType	'vector' or 'raster'. See the Raster Map page for setting up Raster.
Latitude and Longitude	The coordinates of where you want to center your map on loading. See our Geocoding page for help.
startZoom	Zoom level, ranging from 0-20. 0 is the whole world, and 20 is an individual house.
map	Your map instance for OpenLayers. See their documentation for further customization.
Style sizing	Style your map class with the appropriate width and height.

Next Steps

Customize and add features to your new map

Settings & Features

Common settings and Language Support.
Content Filtering
Satellite, Street Level, and other features.
Compatibility for older browsers.

Map Design

Customize your maps look
Night Mode, Greyscale.
Get the Slpy Style source code.

Search & Geocoding

Add a search bar to your map.
Translate addresses to coordinates
Search for points of interest.

Documentation