                   },
                    xAxis: {
                        axisPointer: {
                            show: true,
                            snap: true,
                            triggerTooltip: true
                        }
                    },
                    yAxis: {
                        name: 'both axes snap\nand so animate by default',
                        axisPointer: {
                            show: true,
                            snap: true,
                     