Function prepareDataCoordInfo

libs/echarts/echarts.simple.js:33975–34010

* @param {Object} coordSys * @param {module:echarts/data/List} data * @param {string} valueOrigin lineSeries.option.areaStyle.origin

(coordSys, data, valueOrigin)

 * @param {string} valueOrigin lineSeries.option.areaStyle.origin
 */
function prepareDataCoordInfo(coordSys, data, valueOrigin) {
    var baseAxis = coordSys.getBaseAxis();
    var valueAxis = coordSys.getOtherAxis(baseAxis);
    var valueStart = getValueStart(valueAxis, valueOrigin);

    var baseAxisDim = baseAxis.dim;
    var valueAxisDim = valueAxis.dim;
    var valueDim = data.mapDimension(valueAxisDim);
    var baseDim = data.mapDimension(baseAxisDim);
    var baseDataOffset = valueAxisDim === 'x' || valueAxisDim === 'radius' ? 1 : 0;

    var dims = map(coordSys.dimensions, function (coordDim) {
        return data.mapDimension(coordDim);
    });

    var stacked;
    var stackResultDim = data.getCalculationInfo('stackResultDimension');
    if (stacked |= isDimensionStacked(data, dims[0] /*, dims[1]*/)) { // jshint ignore:line
        dims[0] = stackResultDim;
    }
    if (stacked |= isDimensionStacked(data, dims[1] /*, dims[0]*/)) { // jshint ignore:line
        dims[1] = stackResultDim;
    }

    return {
        dataDimsForPoint: dims,
        valueStart: valueStart,
        valueAxisDim: valueAxisDim,
        baseAxisDim: baseAxisDim,
        stacked: !!stacked,
        valueDim: valueDim,
        baseDim: baseDim,
        baseDataOffset: baseDataOffset,
        stackedOverDimension: data.getCalculationInfo('stackedOverDimension')
    };
}

function getValueStart(valueAxis, valueOrigin) {
    var valueStart = 0;