planning

node_modules/ol/source/OSM.js

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+/**
+ * @module ol/source/OSM
+ */
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+import XYZ from './XYZ.js';
+/**
+ * The attribution containing a link to the OpenStreetMap Copyright and License
+ * page.
+ * @const
+ * @type {string}
+ * @api
+ */
+export var ATTRIBUTION = '© ' +
+    '<a href="https://www.openstreetmap.org/copyright" target="_blank">OpenStreetMap</a> ' +
+    'contributors.';
+/**
+ * @typedef {Object} Options
+ * @property {import("./Source.js").AttributionLike} [attributions] Attributions.
+ * @property {number} [cacheSize] Initial tile cache size. Will auto-grow to hold at least the number of tiles in the viewport.
+ * @property {null|string} [crossOrigin='anonymous'] The `crossOrigin` attribute for loaded images.  Note that
+ * you must provide a `crossOrigin` value if you want to access pixel data with the Canvas renderer.
+ * See https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_enabled_image for more detail.
+ * @property {boolean} [imageSmoothing=true] Deprecated.  Use the `interpolate` option instead.
+ * @property {boolean} [interpolate=true] Use interpolated values when resampling.  By default,
+ * linear interpolation is used when resampling.  Set to false to use the nearest neighbor instead.
+ * @property {number} [maxZoom=19] Max zoom.
+ * @property {boolean} [opaque=true] Whether the layer is opaque.
+ * @property {number} [reprojectionErrorThreshold=0.5] Maximum allowed reprojection error (in pixels).
+ * Higher values can increase reprojection performance, but decrease precision.
+ * @property {import("../Tile.js").LoadFunction} [tileLoadFunction] Optional function to load a tile given a URL. The default is
+ * ```js
+ * function(imageTile, src) {
+ *   imageTile.getImage().src = src;
+ * };
+ * ```
+ * @property {number} [transition=250] Duration of the opacity transition for rendering.
+ * To disable the opacity transition, pass `transition: 0`.
+ * @property {string} [url='https://{a-c}.tile.openstreetmap.org/{z}/{x}/{y}.png'] URL template.
+ * Must include `{x}`, `{y}` or `{-y}`, and `{z}` placeholders.
+ * @property {boolean} [wrapX=true] Whether to wrap the world horizontally.
+ * @property {number|import("../array.js").NearestDirectionFunction} [zDirection=0]
+ * Choose whether to use tiles with a higher or lower zoom level when between integer
+ * zoom levels. See {@link module:ol/tilegrid/TileGrid~TileGrid#getZForResolution}.
+ */
+/**
+ * @classdesc
+ * Layer source for the OpenStreetMap tile server.
+ * @api
+ */
+var OSM = /** @class */ (function (_super) {
+    __extends(OSM, _super);
+    /**
+     * @param {Options} [opt_options] Open Street Map options.
+     */
+    function OSM(opt_options) {
+        var options = opt_options || {};
+        var interpolate = options.imageSmoothing !== undefined ? options.imageSmoothing : true;
+        if (options.interpolate !== undefined) {
+            interpolate = options.interpolate;
+        }
+        var attributions;
+        if (options.attributions !== undefined) {
+            attributions = options.attributions;
+        }
+        else {
+            attributions = [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';
+        return _super.call(this, {
+            attributions: attributions,
+            attributionsCollapsible: false,
+            cacheSize: options.cacheSize,
+            crossOrigin: crossOrigin,
+            interpolate: interpolate,
+            maxZoom: options.maxZoom !== undefined ? options.maxZoom : 19,
+            opaque: options.opaque !== undefined ? options.opaque : true,
+            reprojectionErrorThreshold: options.reprojectionErrorThreshold,
+            tileLoadFunction: options.tileLoadFunction,
+            transition: options.transition,
+            url: url,
+            wrapX: options.wrapX,
+            zDirection: options.zDirection,
+        }) || this;
+    }
+    return OSM;
+}(XYZ));
+export default OSM;
+//# sourceMappingURL=OSM.js.map