Function getStackedOnPoints

libs/echarts/echarts-en.simple.js:34823–34834

* @param {module:echarts/coord/cartesian/Cartesian2D|module:echarts/coord/polar/Polar} coordSys * @param {module:echarts/data/List} data * @param {Object} dataCoordInfo * @param {Array. >} points

(coordSys, data, dataCoordInfo)

 * @param {Array.<Array.<number>>} points
 */
function getStackedOnPoints(coordSys, data, dataCoordInfo) {
    if (!dataCoordInfo.valueDim) {
        return [];
    }

    var points = [];
    for (var idx = 0, len = data.count(); idx < len; idx++) {
        points.push(getStackedOnPoint(dataCoordInfo, coordSys, data, idx));
    }

    return points;
}

function turnPointsIntoStep(points, coordSys, stepTurnAt) {
    var baseAxis = coordSys.getBaseAxis();