zh/builder/src/echarts3/chart/parallel/parallelVisual.js

var opacityAccessPath = ['lineStyle', 'normal', 'opacity'];
export default function (ecModel) {
  ecModel.eachSeriesByType('parallel', function (seriesModel) {
    var itemStyleModel = seriesModel.getModel('itemStyle.normal');
    var lineStyleModel = seriesModel.getModel('lineStyle.normal');
    var globalColors = ecModel.get('color');
    var color = lineStyleModel.get('color') || itemStyleModel.get('color') || globalColors[seriesModel.seriesIndex % globalColors.length];
    var inactiveOpacity = seriesModel.get('inactiveOpacity');
    var activeOpacity = seriesModel.get('activeOpacity');
    var lineStyle = seriesModel.getModel('lineStyle.normal').getLineStyle();
    var coordSys = seriesModel.coordinateSystem;
    var data = seriesModel.getData();
    var opacityMap = {
      normal: lineStyle.opacity,
      active: activeOpacity,
      inactive: inactiveOpacity
    };
    coordSys.eachActiveState(data, function (activeState, dataIndex) {
      var itemModel = data.getItemModel(dataIndex);
      var opacity = opacityMap[activeState];

      if (activeState === 'normal') {
        var itemOpacity = itemModel.get(opacityAccessPath, true);
        itemOpacity != null && (opacity = itemOpacity);
      }

      data.setItemVisual(dataIndex, 'opacity', opacity);
    });
    data.setVisual('color', color);
  });
}