12
Я следую за Force directed Graph. Как предотвратить перекрытие ссылки (линии) в силе направленного графика. Ожидаемый результат должен быть равен this. Текущие данные JSON не содержат родительских отношений дочерних отношений.как предотвратить перекрытие ссылки в силе направленного графа?
Вот мой код:
var width = 960,
height = 500;
var color = d3.scale.category20();
var force = d3.layout.force()
.charge(-120)
.linkDistance(30)
.size([width, height]);
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
var graph = {
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{"name":"Mme.Magloire","group":1},
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{"name":"Favourite","group":3},
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{"name":"Cosette","group":5},
{"name":"Javert","group":4},
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{"name":"Bamatabois","group":2},
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{"name":"Simplice","group":2},
{"name":"Scaufflaire","group":2},
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{"name":"Champmathieu","group":2},
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{"name":"Mlle.Vaubois","group":5},
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{"name":"Combeferre","group":8},
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{"name":"Feuilly","group":8},
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{"name":"Bossuet","group":8},
{"name":"Joly","group":8},
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}
//d3.json("miserables.json", function(error, graph) {
force
.nodes(graph.nodes)
.links(graph.links)
.start();
var link = svg.selectAll(".link")
.data(graph.links)
.enter().append("line")
.attr("class", "link")
.style("stroke-width", function(d) { return Math.sqrt(d.value); });
var node = svg.selectAll(".node")
.data(graph.nodes)
.enter().append("circle")
.attr("class", "node")
.attr("r", 5)
.style("fill", function(d) { return color(d.group); })
.call(force.drag);
node.append("title")
.text(function(d) { return d.name; });
force.on("tick", function() {
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; });
});
//});.node {
stroke: #fff;
stroke-width: 1.5px;
}
.link {
stroke: #999;
stroke-opacity: .6;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.0/d3.min.js"></script>
Я думаю, что это невозможно для всех графиков.Я заинтересован в том, как это может быть достигнуто во всех случаях, когда это возможно, хотя. – Oliver
См https://stackoverflow.com/questions/29006725/avoid-links-criss-cross-overlap-in-d3-js-using-force-layout –
Я не думаю, что это возможно, если у вас есть филиалы, которые связаны к другим ветвям одного и того же родителя. Пример вы показали только работает во всех случаях, когда узел подключается к одному из родителей, и это собственные дети. – myrcutio