YiHui-Liu commented on issue #18439:
URL: https://github.com/apache/echarts/issues/18439#issuecomment-3529240840
There is a way to achieve:
```js
let processedData = rawData.map(item => {
const safeValue = Math.max(1, item.value);
return {
name: item.name,
value: Math.log10(safeValue),
origin: safeValue
};
});
...
tooltip: {
formatter: function (params) {
if (params.data && params.data.origin !== undefined)
return params.name + ': ' + params.data.origin;
return params.name;
}
},
...
visualMap: {
formatter: (value) => Math.round(Math.pow(10, value)),
},
...
series: [{
data: processedData
}]
```
<img width="832" height="436" alt="Image"
src="https://github.com/user-attachments/assets/7f2f6d68-ea67-4041-8e21-17b0fe1d7937";
/>
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