echarts-bot[bot] commented on issue #20274:
URL: https://github.com/apache/echarts/issues/20274#issuecomment-2298432539
@luhuiaaaluhui It seems you are not using English, I've helped translate the
content automatically. To make your issue understood by more people and get
helped, we'd like to suggest using English next time. 🤗
<details><summary><b>TRANSLATED</b></summary><br>
**BODY**
### What problem does this feature solve?
Currently, adding legend to the Sankey diagram does not work.
`option = {
series: {
type: "sankey",
layout: "none",
emphasis: {
focus: "adjacency",
},
legend: {
data: ["1", "2", "3"],
backgroundColor: "#ccc",
},
data: [
{
name: "a",
category: "1",
},
{
name: "b",
category: "1",
},
{
name: "a1",
category: "2",
},
{
name: "a2",
category: "1",
},
{
name: "b1",
category: "3",
},
{
name: "c",
category: "1",
},
],
links: [
{
source: "a",
target: "a1",
value: 5,
},
{
source: "a",
target: "a2",
value: 3,
},
{
source: "b",
target: "b1",
value: 8,
},
{
source: "a",
target: "b1",
value: 3,
},
{
source: "b1",
target: "a1",
value: 1,
},
{
source: "b1",
target: "c",
value: 2,
},
],
category: [{ name: "1" }, { name: "2" }, { name: "3" }],
},
};`
### What does the proposed API look like?
I want the Sankey diagram to also support tag filtering and display
relationships, similar to
[https://echarts.apache.org/examples/zh/editor.html?c=graph](https://echarts.apache.org
/examples/zh/editor.html?c=graph), you can filter and display nodes based on
labels.
</details>
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