                                x: cellPoint[0] - cellWidth / 2 + 10,
                                y: cellPoint[1] - cellHeight / 2 + 10,
                                width: cellWidth - 20,
                                height: cellHeight - 20,
                                opacity: 0.7
                            }
                        };
                    }

                    var group = {
                        type: 'group',
                        children: echarts.util.map(layouts[ev