en/builder/src/echarts3/coord/single/singleCreator.js

/**
 * Single coordinate system creator.
 */
import Single from './Single';
import CoordinateSystem from '../../CoordinateSystem';
/**
 * 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>}
 */

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;
}

CoordinateSystem.register('single', {
  create: create,
  dimensions: Single.prototype.dimensions
});