Source: layer/BMNGLayer.js

/*
 * Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented
 * by the Administrator of the National Aeronautics and Space Administration.
 * All rights reserved.
 *
 * The NASAWorldWind/WebWorldWind platform is licensed under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License
 * at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 * NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source
 * software:
 *
 *    ES6-Promise – under MIT License
 *    libtess.js – SGI Free Software License B
 *    Proj4 – under MIT License
 *    JSZip – under MIT License
 *
 * A complete listing of 3rd Party software notices and licenses included in
 * WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses
 * PDF found in code  directory.
 */
/**
 * @exports BMNGLayer
 */
define([
        '../geom/Location',
        '../geom/Sector',
        '../layer/TiledImageLayer',
        '../util/WmsUrlBuilder'
    ],
    function (Location,
              Sector,
              TiledImageLayer,
              WmsUrlBuilder) {
        "use strict";

        /**
         * Constructs a Blue Marble image layer.
         * @alias BMNGLayer
         * @constructor
         * @augments TiledImageLayer
         * @classdesc Displays a Blue Marble image layer that spans the entire globe.
         * @param {String} layerName The name of the layer to display, in the form "BlueMarble-200401"
         * "BlueMarble-200402", ... "BlueMarble-200412". "BlueMarble-200405" is used if the argument is null
         * or undefined.
         */
        var BMNGLayer = function (layerName) {
            // This LevelSet configuration captures the Blue Marble resolution of 4.166666667E-03 degrees/pixel
            TiledImageLayer.call(this,
                Sector.FULL_SPHERE, new Location(45, 45), 7, "image/jpeg", layerName || "BMNG256", 256, 256);

            this.displayName = "Blue Marble";
            this.pickEnabled = false;

            this.urlBuilder = new WmsUrlBuilder("https://worldwind25.arc.nasa.gov/wms",
                layerName || "BlueMarble-200405", "", "1.3.0");
        };

        BMNGLayer.prototype = Object.create(TiledImageLayer.prototype);

        return BMNGLayer;
    });