61 lines
1.5 KiB
JavaScript
61 lines
1.5 KiB
JavaScript
/**
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* @module ol/source/OSM
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*/
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import _ol_ from '../index.js';
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import _ol_source_XYZ_ from '../source/XYZ.js';
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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
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*/
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var _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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_ol_source_XYZ_.call(this, {
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attributions: attributions,
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cacheSize: options.cacheSize,
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crossOrigin: crossOrigin,
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opaque: options.opaque !== undefined ? options.opaque : true,
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maxZoom: options.maxZoom !== undefined ? options.maxZoom : 19,
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reprojectionErrorThreshold: options.reprojectionErrorThreshold,
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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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_ol_.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 {string}
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* @api
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*/
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_ol_source_OSM_.ATTRIBUTION = '© ' +
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'<a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> ' +
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'contributors.';
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export default _ol_source_OSM_;
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