import DeveloperError from "./DeveloperError.js"; /** * A tiling scheme for geometry or imagery on the surface of an ellipsoid. At level-of-detail zero, * the coarsest, least-detailed level, the number of tiles is configurable. * At level of detail one, each of the level zero tiles has four children, two in each direction. * At level of detail two, each of the level one tiles has four children, two in each direction. * This continues for as many levels as are present in the geometry or imagery source. * * @alias TilingScheme * @constructor * * @see WebMercatorTilingScheme * @see GeographicTilingScheme */ function TilingScheme(options) { //>>includeStart('debug', pragmas.debug); throw new DeveloperError( "This type should not be instantiated directly. Instead, use WebMercatorTilingScheme or GeographicTilingScheme." ); //>>includeEnd('debug'); } Object.defineProperties(TilingScheme.prototype, { /** * Gets the ellipsoid that is tiled by the tiling scheme. * @memberof TilingScheme.prototype * @type {Ellipsoid} */ ellipsoid: { get: DeveloperError.throwInstantiationError, }, /** * Gets the rectangle, in radians, covered by this tiling scheme. * @memberof TilingScheme.prototype * @type {Rectangle} */ rectangle: { get: DeveloperError.throwInstantiationError, }, /** * Gets the map projection used by the tiling scheme. * @memberof TilingScheme.prototype * @type {MapProjection} */ projection: { get: DeveloperError.throwInstantiationError, }, }); /** * Gets the total number of tiles in the X direction at a specified level-of-detail. * @function * * @param {Number} level The level-of-detail. * @returns {Number} The number of tiles in the X direction at the given level. */ TilingScheme.prototype.getNumberOfXTilesAtLevel = DeveloperError.throwInstantiationError; /** * Gets the total number of tiles in the Y direction at a specified level-of-detail. * @function * * @param {Number} level The level-of-detail. * @returns {Number} The number of tiles in the Y direction at the given level. */ TilingScheme.prototype.getNumberOfYTilesAtLevel = DeveloperError.throwInstantiationError; /** * Transforms a rectangle specified in geodetic radians to the native coordinate system * of this tiling scheme. * @function * * @param {Rectangle} rectangle The rectangle to transform. * @param {Rectangle} [result] The instance to which to copy the result, or undefined if a new instance * should be created. * @returns {Rectangle} The specified 'result', or a new object containing the native rectangle if 'result' * is undefined. */ TilingScheme.prototype.rectangleToNativeRectangle = DeveloperError.throwInstantiationError; /** * Converts tile x, y coordinates and level to a rectangle expressed in the native coordinates * of the tiling scheme. * @function * * @param {Number} x The integer x coordinate of the tile. * @param {Number} y The integer y coordinate of the tile. * @param {Number} level The tile level-of-detail. Zero is the least detailed. * @param {Object} [result] The instance to which to copy the result, or undefined if a new instance * should be created. * @returns {Rectangle} The specified 'result', or a new object containing the rectangle * if 'result' is undefined. */ TilingScheme.prototype.tileXYToNativeRectangle = DeveloperError.throwInstantiationError; /** * Converts tile x, y coordinates and level to a cartographic rectangle in radians. * @function * * @param {Number} x The integer x coordinate of the tile. * @param {Number} y The integer y coordinate of the tile. * @param {Number} level The tile level-of-detail. Zero is the least detailed. * @param {Object} [result] The instance to which to copy the result, or undefined if a new instance * should be created. * @returns {Rectangle} The specified 'result', or a new object containing the rectangle * if 'result' is undefined. */ TilingScheme.prototype.tileXYToRectangle = DeveloperError.throwInstantiationError; /** * Calculates the tile x, y coordinates of the tile containing * a given cartographic position. * @function * * @param {Cartographic} position The position. * @param {Number} level The tile level-of-detail. Zero is the least detailed. * @param {Cartesian2} [result] The instance to which to copy the result, or undefined if a new instance * should be created. * @returns {Cartesian2} The specified 'result', or a new object containing the tile x, y coordinates * if 'result' is undefined. */ TilingScheme.prototype.positionToTileXY = DeveloperError.throwInstantiationError; export default TilingScheme;