YUI.add('series-spline-stacked', function (Y, NAME) {

/**

 * Provides functionality for creating a stacked spline series.

 *

 * @module charts

 * @submodule series-spline-stacked

 */

/**

 * StackedSplineSeries creates spline graphs in which the different series are stacked along a value axis

 * to indicate their contribution to a cumulative total.

 *

 * @class StackedSplineSeries

 * @constructor

 * @extends SplineSeries

 * @uses StackingUtil

 * @param {Object} config (optional) Configuration parameters.

 * @submodule series-spline-stacked

 */

Y.StackedSplineSeries = Y.Base.create("stackedSplineSeries", Y.SplineSeries, [Y.StackingUtil], {

    /**

     * @protected

     *

     * Calculates the coordinates for the series. Overrides base implementation.

     *

     * @method setAreaData

     */

    setAreaData: function()

    {

        Y.StackedSplineSeries.superclass.setAreaData.apply(this);

        this._stackCoordinates.apply(this);

    }

}, {

    ATTRS: {

        /**

         * Read-only attribute indicating the type of series.

         *

         * @attribute type

         * @type String

         * @default stackedSpline

         */

        type: {

            value:"stackedSpline"

        }

    }

});

}, '@VERSION@', {"requires": ["series-stacked", "series-spline"]});