                     symbolSize: 20,
                        encode: {label: 2},
                        label: {show: true},
                        data: _matrixXYDataMap[_ctx.xyData].data.seriesData
                    },
                    graphic: {
                        elements: [{
                            bottom: 5,
                            left: 'center',
                            id: 'convert_result',
                            type: 'text',
                            style: {
       