力的导向图echarts graph配置项内容和展示

当节点数量超过一定数量后，关联节点信息及线信息不展示

      
var nodeCount = 998;//可以展示节点信息及线上信息
var nodeCount2 = 999;//不可以展示节点信息及线上信息
var nodes = [];
for(var i=0;i<998;i++){
    var category = 1;
    var symbolSize = 10;
    if(i%2 == 0){
        category=0;
    }
    var node = {
        category:category,
        draggable:true,
        id:i,
        name:'node'+i,
        symbolSize:symbolSize,
        value:i
    }
    nodes.push(node);
}

var links = [];
for(var i=0;i<1000;i++){
    var target = i+1;
    if(i==9){
        target = 0;
    }
    
    var link = {
        relation:i,
        source:i,
        target:target,
        emphasis:{
            label:{
                show:true,
                position:'middle',
                formatter:function(x){return x.data.relation}
            }
        }
    }
    links.push(link);
}

console.log("nodes");
console.log(nodes);
console.log("links");
console.log(links);

option = {
   legend:[{
       data:['测试1','测试2']
   }],
   color:["#8C0211","#F39501"],
   series:[{
       name:'demo',
       type:'graph',
       layout:'force',
       data:nodes,
       links:links,
       categories:[{code:'1',name:"测试1"},{code:"2",name:"测试2"}],
       roam:true,
       focusNodeAdjacency:true,
       label:{
           position:'right'
       },
       force:{
           repulsion:100
       }
   }]
};