src/coord/single/singleCreator.js
function create(ecModel, api) {
    var singles = [];

    ecModel.eachComponent('singleAxis', function (axisModel, idx) {

        var single = new Single(axisModel, ecModel, api);
        single.name = 'single_' + idx;
        single.resize(axisModel, api);
        axisModel.coordinateSystem = single;
        singles.push(single);

    });

    ecModel.eachSeries(function (seriesModel) {
        if (seriesModel.get('coordinateSystem') === 'singleAxis') {
            var singleAxisModel = ecModel.queryComponents({
                mainType: 'singleAxis',
                index: seriesModel.get('singleAxisIndex'),
                id: seriesModel.get('singleAxisId')
            })[0];
            seriesModel.coordinateSystem = singleAxisModel && singleAxisModel.coordinateSystem;
        }
    });

    return singles;
}
function create(ecModel, api) {
    var singles = [];

    ecModel.eachComponent('singleAxis', function (axisModel, idx) {

        var single = new Single(axisModel, ecModel, api);
        single.name = 'single_' + idx;
        single.resize(axisModel, api);
        axisModel.coordinateSystem = single;
        singles.push(single);

    });

    ecModel.eachSeries(function (seriesModel) {
        if (seriesModel.get('coordinateSystem') === 'singleAxis') {
            var singleAxisModel = ecModel.queryComponents({
                mainType: 'singleAxis',
                index: seriesModel.get('singleAxisIndex'),
                id: seriesModel.get('singleAxisId')
            })[0];
            seriesModel.coordinateSystem = singleAxisModel && singleAxisModel.coordinateSystem;
        }
    });

    return singles;
}
function create ( ecModel , api ) { var singles = [ ] ; ecModel . eachComponent ( 'singleAxis' , function ( axisModel , idx ) { var single = new Single ( axisModel , ecModel , api ) ; single . name = 'single_' + idx ; single . resize ( axisModel , api ) ; axisModel . coordinateSystem = single ; singles . push ( single ) ; } ) ; ecModel . eachSeries ( function ( seriesModel ) { if ( seriesModel . get ( 'coordinateSystem' ) === 'singleAxis' ) { var singleAxisModel = ecModel . queryComponents ( { mainType : 'singleAxis' , index : seriesModel . get ( 'singleAxisIndex' ) , id : seriesModel . get ( 'singleAxisId' ) } ) [ 0 ] ; seriesModel . coordinateSystem = singleAxisModel && singleAxisModel . coordinateSystem ; } } ) ; return singles ; }
Create single coordinate system and inject it into seriesModel.

@param {module:echarts/model/Global} ecModel
@param {module:echarts/ExtensionAPI} api
@return {Array.<module:echarts/coord/single/Single>}
Create single coordinate system and inject it into seriesModel .