world1103 opened a new issue #16235:
URL: https://github.com/apache/echarts/issues/16235
### What problem does this feature solve?
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{source: "3", target: "107"},
{source: "10", target: "65"},
{source: "9", target: "65"},
{source: "34", target: "81"},
{source: "66", target: "8"},
{source: "22", target: "21"},
{source: "105", target: "103"}
]
var categories = [
{name: "后处理系统"},
{name: "控制系统"},
{name: "政策系统"},
{name: "整车功能"},
{name: "整车系统"},
{name: "燃油系统"},
{name: "空气系统"}
]
nodes.forEach(function (node) {
node.label = {
show: node.symbolSize > 20
};
});
option = {
title: {
text: '伴生故障',
subtext: 'Circular layout',
top: 'bottom',
left: 'right'
}, //标题
tooltip: {},
legend: [
{
data: categories.map(function (a) {
return a.name;
})
}
],//图例
animationDurationUpdate: 1500,
animationEasingUpdate: 'quinticInOut',
series: [
{
name: '伴生故障',
type: 'graph',
layout: 'circular',
circular: {
rotateLabel: true
},
data: nodes, //节点
links: links, //节点关系
categories: categories, //轴分类
roam: true, //是否开启鼠标缩放和平移漫游
legendHoverLink: false, //是否启用图例 hover 时的联动高亮
label: {
position: 'right',
formatter: '{b}'
},
lineStyle: {
color: 'source',
curveness: 0.3
},
emphasis: {
focus: 'adjacency',
lineStyle: {
width: 10
}
}//悬停淡化周边
}
]
};
// 基于准备好的dom，初始化echarts实例
var myChart = echarts.init(document.getElementById('main'))
myChart.showLoading();
myChart.hideLoading();
// 使用刚指定的配置项和数据显示图表。
myChart.setOption(option)
</script>
</html>
### What does the proposed API look like?
I have a graph chart。
Set symbolSize>30 to display the node name，code show as below ：
nodes.forEach(function (node) {
node.label = {
show: node.symbolSize > 20
};
});
Emphasis is set to highlight graphics ，code show as below ：
emphasis: {
focus: 'adjacency',
lineStyle: {
width: 10
}
}
When hovering the mouse, the related associated node will be highlighted,
but the related node name is not displayed。
How can I display the node name while highlighting the node? And I don't
want to display all the node names, because there are too many nodes.
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