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openlayers

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Build tools and sources for developing OpenLayers based mapping applications

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goog.provide('ol.source.OSM'); goog.require('ol'); goog.require('ol.Attribution'); goog.require('ol.source.XYZ'); /** * @classdesc * Layer source for the OpenStreetMap tile server. * * @constructor * @extends {ol.source.XYZ} * @param {olx.source.OSMOptions=} opt_options Open Street Map options. * @api stable */ ol.source.OSM = function(opt_options) { var options = opt_options || {}; var attributions; if (options.attributions !== undefined) { attributions = options.attributions; } else { attributions = [ol.source.OSM.ATTRIBUTION]; } var crossOrigin = options.crossOrigin !== undefined ? options.crossOrigin : 'anonymous'; var url = options.url !== undefined ? options.url : 'https://{a-c}.tile.openstreetmap.org/{z}/{x}/{y}.png'; ol.source.XYZ.call(this, { attributions: attributions, cacheSize: options.cacheSize, crossOrigin: crossOrigin, opaque: options.opaque !== undefined ? options.opaque : true, maxZoom: options.maxZoom !== undefined ? options.maxZoom : 19, reprojectionErrorThreshold: options.reprojectionErrorThreshold, tileLoadFunction: options.tileLoadFunction, url: url, wrapX: options.wrapX }); }; ol.inherits(ol.source.OSM, ol.source.XYZ); /** * The attribution containing a link to the OpenStreetMap Copyright and License * page. * @const * @type {ol.Attribution} * @api */ ol.source.OSM.ATTRIBUTION = new ol.Attribution({ html: '&copy; ' + '<a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> ' + 'contributors.' });