this._projection = new GeographicProjection(this._ellipsoid);
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(2)修改切片矩阵计算获取行列号数量xy值的原型方法getNumberOfXTilesAtLevel和getNumberOfYTilesAtLeve
[code]/** * Gets the total number of tiles in the X direction at a specified level-of-detail. * * @param {Number} level The level-of-detail. * @returns {Number} The number of tiles in the X direction at the given level. */GeographicTilingScheme.prototype.getNumberOfXTilesAtLevel = function (level) { // return this._numberOfLevelZeroTilesX