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