[GitHub] [incubator-echarts] Alextrasza67 opened a new issue #11461: graph关系图是否支持链路高亮

[GitBox <gi...@apache.org>]

Alextrasza67 opened a new issue #11461: graph关系图是否支持链路高亮
URL: https://github.com/apache/incubator-echarts/issues/11461
 
 
   ### What problem does this feature solve?
   目前想通过echarts绘制应用系统架构图，发现使用graph关系图，可以很好体现应用之间关系，但是后续有些请求在应用之间的链路关系目前没有看到有哪些api可以绘制。
   focusNodeAdjacency: true 可以通过指针触发自身、邻接节点、links高亮，
   目前echarts是否支持指定某条链路高亮，
   例如示例网站：https://www.echartsjs.com/examples/zh/editor.html?c=graph 中 
   fanzine、fanzine>valjean、valjean、valjean >labarre、labarre 
   仅这3个节点及2个links高亮，这样可以利用相关API绘制基于服务器架构的请求链路图
   
   ### What does the proposed API look like?
   series中添加highlights对象可以指定高亮的data以及link即可，例如：
   ```
   series : [{
           type: 'graph', 
           data: [{ name: '节点1',  x: 300,  y: 300 }, 
                   { name: '节点2',  x: 800,  y: 300 }, 
                   { name: '节点3',  x: 550,  y: 100 }, 
                   { name: '节点4',  x: 550,  y: 500 },
                   { name: '节点5',  x: 100,  y: 300,  draggable: true }],         
           links: [{ source: 0,  target: 1}, 
                   { source: '节点2',  target: '节点1' }, 
                   { source: '节点1',  target: '节点3' }, 
                   { source: '节点2',  target: '节点3' }, 
                   { source: '节点2',  target: '节点4' }, 
                   { source: '节点1',  target: '节点4' }],            
           highlights: {
               dataIndex: [0,1,2],
               linkIndex: [0,3]
           }
       }
   ]
   ```
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   

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