Javascript “id”:0, “from”:223, “至”:136305, “财产”:{ } }, { “id”:0, “from”:223, “至”:136303, “财产”:{ } }, { “id”:0, “from”:223, “至”:136299, “财产”:{ } }, { “id”:0, “from”:223, “至”:136261, “财产”:{ } }, { “id”:0, “from”:223, “至”:136212, “财产”:{ } }, { “id”:0, “from”:223, “至”:136115, “财产”:{ } }, { “id”:0, “from”:223, “至”:136113, “财产”:{ } }, { “id”:0, “from”:223, “至”:135843, “财产”:{ } } ] }
来自的技术可以应用于您自己的代码,而无需进行重大更改,因为在这两种情况下,您都可以从每个链接访问Javascript “id”:0, “from”:223, “至”:136305, “财产”:{ } }, { “id”:0, “from”:223, “至”:136303, “财产”:{ } }, { “id”:0, “from”:223, “至”:136299, “财产”:{ } }, { “id”:0, “from”:223, “至”:136261, “财产”:{ } }, { “id”:0, “from”:223, “至”:136212, “财产”:{ } }, { “id”:0, “from”:223, “至”:136115, “财产”:{ } }, { “id”:0, “from”:223, “至”:136113, “财产”:{ } }, { “id”:0, “from”:223, “至”:135843, “财产”:{ } } ] },javascript,d3.js,data-visualization,force-layout,directed-graph,Javascript,D3.js,Data Visualization,Force Layout,Directed Graph,来自的技术可以应用于您自己的代码,而无需进行重大更改,因为在这两种情况下,您都可以从每个链接访问源和目标属性,这是控制折叠的单击功能所依赖的 下面是对代码进行以下更改的示例: 将用于定义和添加节点和链接的代码移动到update方法中,以便可以多次调用它,就像链接的答案一样 从链接答案中复制代码,以初始化折叠/折叠属性,并在重新初始化图形之前过滤节点和链接 复制click方法来处理折叠,但我修改了它以递归方式处理多个级别的子节点(我还修改了您的测试数据以测试这种情况) 代码: var-widt
源和目标属性,这是控制折叠的单击功能所依赖的
下面是对代码进行以下更改的示例:
- 将用于定义和添加节点和链接的代码移动到
update
方法中,以便可以多次调用它,就像链接的答案一样
- 从链接答案中复制代码,以初始化
折叠
/折叠
属性,并在重新初始化图形之前过滤节点和链接
- 复制
click
方法来处理折叠,但我修改了它以递归方式处理多个级别的子节点(我还修改了您的测试数据以测试这种情况)
代码:
var-width=960,
高度=500;
var svg=d3.选择(“正文”).追加(“svg”)
.attr(“宽度”,宽度)
.attr(“高度”,高度);
var-force=d3.layout.force()
.尺寸([宽度、高度])
//重力(0.2)
.连接距离(高度/6)
.费用(功能(节点){
如果(node.type!=“ORG”)返回-2000;
返回-30;
});
//建造箭头。
追加(“svg:defs”)。选择全部(“标记”)
.data([“end”])//可以在此处定义不同的链接/路径类型
.enter().append(“svg:marker”)//此部分在箭头中添加
.attr(“id”,函数(d){
返回d;
})
.attr(“视图框”,“0-5 10”)
.attr(“参考文献”,第12页)
.attr(“参考文献”,0)
.attr(“markerWidth”,9)
.attr(“markerHeight”,5)
.attr(“方向”、“自动”)
.attr(“类”、“箭头”)
.append(“svg:path”)
.attr(“d”,“M0,-5L10,0L0,5”);
var-json=数据集;
var边缘=[];
forEach(函数(e){
var sourceNode=json.nodes.filter(函数(n){
返回n.id==e.from;
})[0],
targetNode=json.nodes.filter(函数(n){
返回n.id==e.to;
})[0];
推({
来源:sourceNode,
目标:targetNode,
价值:e.价值
});
});
for(var i=0;i
fyi,更新了我的应答代码,并修复了多个级别的子节点d3 v5的任何更新?谢谢
var width = 960,
height = 500;
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
var force = d3.layout.force()
.size([width, height])
//gravity(0.2)
.linkDistance(height / 6)
.charge(function(node) {
if (node.type !== 'ORG') return -2000;
return -30;
});
// build the arrow.
svg.append("svg:defs").selectAll("marker")
.data(["end"]) // Different link/path types can be defined here
.enter().append("svg:marker") // This section adds in the arrows
.attr("id", function(d) {
return d;
})
.attr("viewBox", "0 -5 10 10")
.attr("refX", 12)
.attr("refY", 0)
.attr("markerWidth", 9)
.attr("markerHeight", 5)
.attr("orient", "auto")
.attr("class", "arrow")
.append("svg:path")
.attr("d", "M0,-5L10,0L0,5");
var json = dataset;
var edges = [];
json.edges.forEach(function(e) {
var sourceNode = json.nodes.filter(function(n) {
return n.id === e.from;
})[0],
targetNode = json.nodes.filter(function(n) {
return n.id === e.to;
})[0];
edges.push({
source: sourceNode,
target: targetNode,
value: e.Value
});
});
for(var i = 0; i < json.nodes.length; i++) {
json.nodes[i].collapsing = 0;
json.nodes[i].collapsed = false;
}
var link = svg.selectAll(".link");
var node = svg.selectAll(".node");
force.on("tick", function() {
// make sure the nodes do not overlap the arrows
link.attr("d", function(d) {
// Total difference in x and y from source to target
diffX = d.target.x - d.source.x;
diffY = d.target.y - d.source.y;
// Length of path from center of source node to center of target node
pathLength = Math.sqrt((diffX * diffX) + (diffY * diffY));
// x and y distances from center to outside edge of target node
offsetX = (diffX * d.target.radius) / pathLength;
offsetY = (diffY * d.target.radius) / pathLength;
return "M" + d.source.x + "," + d.source.y + "L" + (d.target.x - offsetX) + "," + (d.target.y - offsetY);
});
node.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")";
});
});
update();
function update(){
var nodes = json.nodes.filter(function(d) {
return d.collapsing == 0;
});
var links = edges.filter(function(d) {
return d.source.collapsing == 0 && d.target.collapsing == 0;
});
force
.nodes(nodes)
.links(links)
.start();
link = link.data(links)
link.exit().remove();
link.enter().append("path")
.attr("class", "link")
.attr("marker-end", "url(#end)");
node = node.data(nodes);
node.exit().remove();
node.enter().append("g")
.attr("class", function(d) {
return "node " + d.type
});
node.append("circle")
.attr("class", "circle")
.attr("r", function(d) {
d.radius = 30;
return d.radius
}); // return a radius for path to use
node.append("text")
.attr("x", 0)
.attr("dy", ".35em")
.attr("text-anchor", "middle")
.attr("class", "text")
.text(function(d) {
return d.type
});
// On node hover, examine the links to see if their
// source or target properties match the hovered node.
node.on('mouseover', function(d) {
link.attr('class', function(l) {
if (d === l.source || d === l.target)
return "link active";
else
return "link inactive";
});
});
// Set the stroke width back to normal when mouse leaves the node.
node.on('mouseout', function() {
link.attr('class', "link");
})
.on('click', click);
function click(d) {
if (!d3.event.defaultPrevented) {
var inc = d.collapsed ? -1 : 1;
recurse(d);
function recurse(sourceNode){
//check if link is from this node, and if so, collapse
edges.forEach(function(l) {
if (l.source.id === sourceNode.id){
l.target.collapsing += inc;
recurse(l.target);
}
});
}
d.collapsed = !d.collapsed;
}
update();
}
}