Method getHeight

src/common/commontypes/Bounds.js:208–210

* @function Bounds.prototype.getHeight * @description 获取 bounds 的高度。 * @example * var bounds = new Bounds(-180,-90,100,80); * //height = 170; * var height = bounds.getHeight(); * @returns {number} 边界高度（top 减去 bottom）。

()

     * @returns {number} 边界高度（top 减去 bottom）。
     */
    getHeight() {
        return (this.top - this.bottom);
    }

    /**
     * @function Bounds.prototype.getSize