en/builder/src/echarts3/processor/dataFilter.js

export default function (seriesType, ecModel) {
  var legendModels = ecModel.findComponents({
    mainType: 'legend'
  });

  if (!legendModels || !legendModels.length) {
    return;
  }

  ecModel.eachSeriesByType(seriesType, function (series) {
    var data = series.getData();
    data.filterSelf(function (idx) {
      var name = data.getName(idx); // If in any legend component the status is not selected.

      for (var i = 0; i < legendModels.length; i++) {
        if (!legendModels[i].isSelected(name)) {
          return false;
        }
      }

      return true;
    }, this);
  }, this);
}