echarts/src/chart/radar/radarLayout.js

A powerful charting and visualization library for browser

export default function (ecModel) {
    ecModel.eachSeriesByType('radar', function (seriesModel) {
        var data = seriesModel.getData();
        var points = [];
        var coordSys = seriesModel.coordinateSystem;
        if (!coordSys) {
            return;
        }

        function pointsConverter(val, idx) {
            points[idx] = points[idx] || [];
            points[idx][i] = coordSys.dataToPoint(val, i);
        }
        var axes = coordSys.getIndicatorAxes();
        for (var i = 0; i < coordSys.getIndicatorAxes().length; i++) {
            data.each(data.mapDimension(axes[i].dim), pointsConverter);
        }

        data.each(function (idx) {
            // Close polygon
            points[idx][0] && points[idx].push(points[idx][0].slice());
            data.setItemLayout(idx, points[idx]);
        });
    });
}