Method add

src/chart/parallel/ParallelView.ts:85–88

(newDataIndex: number)

            .execute();

        function add(newDataIndex: number) {
            const line = addEl(data, dataGroup, newDataIndex, dimensions, coordSys);
            updateElCommon(line, data, newDataIndex, seriesScope);
        }

        function update(newDataIndex: number, oldDataIndex: number) {
            const line = oldData.getItemGraphicEl(oldDataIndex) as graphic.Polyline;