D3.js } 函数d(d){ 如果(!d3.event.active)simulation.alphaTarget(0); d、 fx=null; d、 fy=null; } 功能阈值(阈值){ thresh=数量(thresh); 图链接拼接(0,图链接长度); 对于(var i=0;ithresh){graph.links.push(graphRec.links[i]);} } console.log(graph.links); /*var threshold_links=graph.links.filter(函数(d){return(d.value>thresh);}); console.log(graph.links); 重新启动(阈值_链接)*/ 重启(); } //在任何节点和链接更改后重新启动可视化 //功能重启(阈值链接){ 函数重新启动(){ //数据连接 //链路=链路数据(阈值链路); link=link.data(graph.links); 控制台日志(链接); //出口 link.exit().remove(); 控制台日志(链接); //输入-https://bl.ocks.org/colbenkharrl/21b3808492b93a21de841bc5ceac4e47 //根据需要创建新链接。 link=link.enter().append(“行”) .attr(“类”、“链接”) //.attr(“笔划宽度”,函数(d){return d.}) .合并(链接); 控制台日志(链接); //数据连接 node=node.data(graph.nodes); /* //出口 node.exit().remove(); //进入 node=node.enter().append(“圆”) .attr(“类”、“节点”) .attr(“r”,半径) .attr(“fill”,函数(d){返回d.color;}) .call(d3.drag() .on(“开始”,拖动开始) .打开(“拖动”,拖动) .开启(“结束”,绘图) ) .合并(节点); node.append(“标题”) .text(函数(d){返回d.id;}); */ 模拟 .nodes(图.nodes) 。在(勾选)上; 模拟力(“链接”) .links(图形链接); alphaTarget(0.3).restart(); } }

D3.js } 函数d(d){ 如果(!d3.event.active)simulation.alphaTarget(0); d、 fx=null; d、 fy=null; } 功能阈值(阈值){ thresh=数量(thresh); 图链接拼接(0,图链接长度); 对于(var i=0;ithresh){graph.links.push(graphRec.links[i]);} } console.log(graph.links); /*var threshold_links=graph.links.filter(函数(d){return(d.value>thresh);}); console.log(graph.links); 重新启动(阈值_链接)*/ 重启(); } //在任何节点和链接更改后重新启动可视化 //功能重启(阈值链接){ 函数重新启动(){ //数据连接 //链路=链路数据(阈值链路); link=link.data(graph.links); 控制台日志(链接); //出口 link.exit().remove(); 控制台日志(链接); //输入-https://bl.ocks.org/colbenkharrl/21b3808492b93a21de841bc5ceac4e47 //根据需要创建新链接。 link=link.enter().append(“行”) .attr(“类”、“链接”) //.attr(“笔划宽度”,函数(d){return d.}) .合并(链接); 控制台日志(链接); //数据连接 node=node.data(graph.nodes); /* //出口 node.exit().remove(); //进入 node=node.enter().append(“圆”) .attr(“类”、“节点”) .attr(“r”,半径) .attr(“fill”,函数(d){返回d.color;}) .call(d3.drag() .on(“开始”,拖动开始) .打开(“拖动”,拖动) .开启(“结束”,绘图) ) .合并(节点); node.append(“标题”) .text(函数(d){返回d.id;}); */ 模拟 .nodes(图.nodes) 。在(勾选)上; 模拟力(“链接”) .links(图形链接); alphaTarget(0.3).restart(); } },d3.js,D3.js,无论出于何种原因,您注释掉了定义enter选择的笔划宽度的行: .attr("stroke-width", function(d){ return Math.sqrt(d.value); }) 以下是更新的代码笔: //Read the data from the mis element var graph = document.getElementById('json').innerHTML; graph = JSON.parse(graph); r

无论出于何种原因,您注释掉了定义enter选择的
笔划宽度的行:

.attr("stroke-width", function(d){
    return Math.sqrt(d.value);
})
以下是更新的代码笔:

    //Read the data from the mis element 
    var graph = document.getElementById('json').innerHTML;
    graph = JSON.parse(graph);
    render(graph);  



    function render(graph){

    // Dimensions of sunburst.
    var radius = 6;

    var maxValue = d3.max(graph.links, function(d, i, data) {
        return d.value;
    });

    //sub-in max-value from
    d3.select("div").html('<form class="force-control" ng-if="formControl">Link threshold 0 <input type="range" id="thersholdSlider" name="points" value="0" min="0" max="'+ maxValue +'">'+ maxValue +'</form>');

    document.getElementById("thersholdSlider").onchange = function() {threshold(this.value);};

    var svg = d3.select("svg");
    var width = svg.attr("width");
    var height = svg.attr("height");


    console.log(graph);
    var graphRec = JSON.parse(JSON.stringify(graph)); //Add this line       
    //graphRec = graph; //Add this line         
    console.log(graphRec);

    var simulation = d3.forceSimulation()
            .force("link", d3.forceLink().id(function(d) { return d.id; }))
            .force("charge", d3.forceManyBody().strength(Number(-1000 + (1.25*graph.links.length))))  //default force is -30, making weaker to increase size of chart
            .force("center", d3.forceCenter(width / 2, height / 2));

    var link = svg.append("g")
              .attr("class", "links")
            .selectAll("line")
            .data(graph.links)
            .enter().append("line")
              .attr("class", "link")
              .attr("stroke-width", function(d) { return Math.sqrt(d.value); });

    var node = svg.append("g")
              .attr("class", "nodes")
            .selectAll("circle")
            .data(graph.nodes)
            .enter().append("circle")
              .attr("class", "node")
              .attr("r", radius)
              .attr("fill", function(d) { return d.color; })
              .call(d3.drag()
                  .on("start", dragstarted)
                  .on("drag", dragged)
                  .on("end", dragended));

          node.append("title")
              .text(function(d) { return d.id; });

          simulation
              .nodes(graph.nodes)
              .on("tick", ticked);

          simulation.force("link")
              .links(graph.links);

    console.log(link.data(graph.links));

    //drawLegend(labelCounts, allLabels, totalJourneys);  //need a copy of the buildHeirarchy function from sunburst-draw.js to extract these vars

    function ticked() {
            link
                .attr("x1", function(d) { return d.source.x; })
                .attr("y1", function(d) { return d.source.y; })
                .attr("x2", function(d) { return d.target.x; })
                .attr("y2", function(d) { return d.target.y; });

            node
                .attr("cx", function(d) { return d.x; })
                .attr("cy", function(d) { return d.y; });
          }

    function dragstarted(d) {
          if (!d3.event.active) simulation.alphaTarget(0.3).restart();
          d.fx = d.x;
          d.fy = d.y;
        }

    function dragged(d) {
          d.fx = d3.event.x;
          d.fy = d3.event.y;
        }

    function dragended(d) {
          if (!d3.event.active) simulation.alphaTarget(0);
          d.fx = null;
          d.fy = null;
        }



    function threshold(thresh) {
            thresh = Number(thresh);
            graph.links.splice(0, graph.links.length);
                for (var i = 0; i < graphRec.links.length; i++) {
                    if (graphRec.links[i].value > thresh) {graph.links.push(graphRec.links[i]);}
                }

            console.log(graph.links);
            /*var threshold_links = graph.links.filter(function(d){ return (d.value > thresh);});
            console.log(graph.links);

            restart(threshold_links);*/
            restart();


        }


    //Restart the visualisation after any node and link changes
//  function restart(threshold_links) {
    function restart() {    

            //DATA JOIN 
            //link = link.data(threshold_links);
            link = link.data(graph.links);    
            console.log(link); 

            //EXIT
            link.exit().remove();
            console.log(link);

            // ENTER - https://bl.ocks.org/colbenkharrl/21b3808492b93a21de841bc5ceac4e47
            // Create new links as needed.  
            link = link.enter().append("line")
            .attr("class", "link")
            //.attr("stroke-width", function(d){ return d.})
            .merge(link);           
            console.log(link);


            // DATA JOIN
            node = node.data(graph.nodes);

            /*
            // EXIT
            node.exit().remove();

            // ENTER
            node = node.enter().append("circle")
                .attr("class", "node")
                .attr("r", radius)
                .attr("fill", function(d) {return d.color;})
                .call(d3.drag()
                  .on("start", dragstarted)
                  .on("drag", dragged)
                  .on("end", dragended)
                )
                .merge(node);

            node.append("title")
            .text(function(d) { return d.id; });
            */          

          simulation
              .nodes(graph.nodes)
              .on("tick", ticked);

          simulation.force("link")
              .links(graph.links);

            simulation.alphaTarget(0.3).restart();
        }

    }
.attr("stroke-width", function(d){
    return Math.sqrt(d.value);
})