text: // The MIT License (MIT)
  //
  // Copyright (c) 2015-2021 Camptocamp SA
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy of
  // this software and associated documentation files (the "Software"), to deal in
  // the Software without restriction, including without limitation the rights to
  // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  // the Software, and to permit persons to whom the Software is furnished to do so,
  // subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  import olSourceWMTS from 'ol/source/WMTS.js';
  import olTilegridWMTS from 'ol/tilegrid/WMTS.js';
  
  /**
   * @typedef {Object} AsitVDOptions
   * @property {string} layer Layer name. Possible values are `asitvd.fond_couleur`, `asitvd.fond_gris`
   * and `asitvd.fond_pourortho`.
   */
  
  /**
   * @type {number[]}
   * @private
   * @hidden
   */
  const asitVDResolutions = [
    4000, 3750, 3500, 3250, 3000, 2750, 2500, 2250, 2000, 1750, 1500, 1250, 1000, 750, 650, 500, 250, 100, 50,
    20, 10, 5, 2.5, 2, 1.5, 1, 0.5,
  ];
  
  /**
   * @type {import("ol/tilegrid/WMTS.js").default}
   * @private
   * @hidden
   */
  const asitVDTileGrid = new olTilegridWMTS({
    extent: [2420000, 130000, 2900000, 1350000],
    resolutions: asitVDResolutions,
    matrixIds: asitVDResolutions.map((value, index) => `${index}`),
  });
  
  /**
   * Layer source for the ASIT VD tile server.
   * @see https://www.asitvd.ch/chercher/geoservices/fond-de-plan-asit-vd.html
   * @hidden
   */
  export default class extends olSourceWMTS {
    /**
     * @param {AsitVDOptions} options WMTS options.
     */
    constructor(options) {
      super({
        attributions: 'géodonnées &copy; Etat de Vaud & &copy; contributeurs OpenStreetMap',
        url:
          'https://ows{1-4}.asitvd.ch/wmts/1.0.0/{Layer}/default/default/0/' +
          '2056/{TileMatrix}/{TileRow}/{TileCol}.png',
        projection: 'EPSG:2056',
        requestEncoding: 'REST',
        layer: options.layer,
        style: 'default',
        matrixSet: '2056',
        format: 'image/png',
        tileGrid: asitVDTileGrid,
      });
    }
  }
  