helgasoft commented on issue #19254:
URL: https://github.com/apache/echarts/issues/19254#issuecomment-1784191673
not-a-bug
Yes, it's hard to look at a **44K points** chart without _dataZoom_.
But improvements can be made:
```
const data = ... 44K points with plenty of 0 and null...
const data2 = data.filter((item) => item.y && item.y!=0);
option = {
tooltip: {
formatter: (p) => {return p.data.x+' '+p.data.y;},
trigger: 'item' //'axis'
},
dataset: {source: data2},
xAxis: {},
yAxis: {},
series: [
{
type: 'line',
encode:{x:'x', y:'y'},
symbolSize: 2
}
],
dataZoom: [{type: 'slider', filterMode: 'none', xAxisIndex: 0}]
};
```
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