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OpenLayers is a JavaScript library for displaying map data in web browsers as slippy maps. It provides an API for building rich web-based geographic applications similar to Google Maps and Bing Maps. It is open-source, provided under the 2-clause BSD License. [2]
Leaflet is open source, and is developed by Volodymyr Agafonkin, who joined Mapbox in 2013. [4] Leaflet is an open-source, JavaScript-based library for creating interactive maps. It was created in 2011 by Volodymyr Agafonkin, a Ukrainian citizen. [5] It covers a wide range of features a developer would need in creating interactive maps.
[4] [5] The Geolocation API is ideally suited to web applications for mobile devices such as smartphones. On desktop computers, the W3C Geolocation API works in Firefox since version 3.5, Google Chrome, [6] Opera 10.6, [7] Internet Explorer 9.0, [8] and Safari 5. On mobile devices, it works on Android (firmware 2.0+), iOS, Windows Phone and Maemo.
TMS is most widely supported by web mapping clients and servers; although there is some desktop support, the Web Map Service protocol is more widespread for enterprise mapping applications. The OpenLayers JavaScript library supports TMS natively, while the Google Maps API allows URL templating, which makes support possible for developers.
In Wikimedia Commons, create a page in the Data: namespace with the .map extension, like Data:COTA10.map; When you create the page, replace the 'Data' placeholder (including the two brackets) with the GeoJSON you copied. Uncomment the line "license": "ODbL-1.0", // ODC Open Database License v1.0 and save the page.
With exports outpacing imports, China’s trade surplus rose to $97.4 billion. The report came a day after Beijing pledged to loosen monetary policy and provide more support for the world’s No ...
OpenStreetMap (abbreviated OSM) is a free, open map database updated and maintained by a community of volunteers via open collaboration. [4] Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import from other freely licensed geodata sources.
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