d3js实现力学图+人物关系图
2017-03-16 09:51
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描述人物关系的数据结构
{
"nodes":[
{ "name": "云天河" , "image" : "tianhe.png" },
{ "name": "韩菱纱" , "image" : "lingsha.png" },
{ "name": "柳梦璃" , "image" : "mengli.png" },
{ "name": "慕容紫英" , "image" : "ziying.png" },
{ "name": "云天青" , "image" : "tianqing.png" },
{ "name": "夙玉" , "image" : "suyu.png" },
{ "name": "玄霄" , "image" : "xuanxiao.png" },
{ "name": "夙瑶" , "image" : "suyao.png" },
{ "name": "太清" , "image" : "taiqing.png" },
{ "name": "宗炼" , "image" : "zonglian.png" },
{ "name": "婵幽" , "image" : "chanyou.png" },
{ "name": "奚仲" , "image" : "xizhong.png" },
{ "name": "归邪" , "image" : "guixie.png" }
],
"edges":[
{ "source": 0 , "target": 1 , "relation":"挚友" },
{ "source": 0 , "target": 2 , "relation":"挚友" },
{ "source": 0 , "target": 3 , "relation":"挚友" },
{ "source": 1 , "target": 2 , "relation":"挚友" },
{ "source": 1 , "target": 3 , "relation":"挚友" },
{ "source": 2 , "target": 3 , "relation":"挚友" },
{ "source": 0 , "target": 4 , "relation":"父子" },
{ "source": 0 , "target": 5 , "relation":"母子" },
{ "source": 4 , "target": 5 , "relation":"夫妻" },
{ "source": 0 , "target": 6 , "relation":"义兄弟" },
{ "source": 4 , "target": 6 , "relation":"同门" },
{ "source": 5 , "target": 6 , "relation":"同门" },
{ "source": 4 , "target": 7 , "relation":"同门" },
{ "source": 5 , "target": 7 , "relation":"同门" },
{ "source": 6 , "target": 7 , "relation":"同门" },
{ "source": 4 , "target": 8 , "relation":"师徒" },
{ "source": 5 , "target": 8 , "relation":"师徒" },
{ "source": 6 , "target": 8 , "relation":"师徒" },
{ "source": 7 , "target": 8 , "relation":"师徒" },
{ "source": 8 , "target": 9 , "relation":"同门" },
{ "source": 3 , "target": 9 , "relation":"师徒" },
{ "source": 2 , "target": 10 , "relation":"母子" },
{ "source": 10 , "target": 11 , "relation":"主臣" },
{ "source": 10 , "target": 12 , "relation":"主臣" },
{ "source": 11 , "target": 12 , "relation":"同僚" }
]
}
具体实现
<html>
<head>
<meta charset="utf-8">
<title>Force</title>
</head>
<style>
.labeltext {
font-size: 16px ;
font-family: SimSun;
fill:#000000;
}
.nodetext {
font-size: 12px ;
font-family: SimSun;
fill:#000000;
}
.linetext {
font-size: 12px ;
font-family: SimSun;
fill:#0000FF;
fill-opacity:0.0;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<script>
var width = 600;
var height = 600;
var img_w = 77;
var img_h = 90;
var svg = d3.select("body").append("svg")
.attr("width",width)
.attr("height",height);
d3.json("relation.json",function(error,root){
if( error ){
return console.log(error);
}
console.log(root);
var force = d3.layout.force()
.nodes(root.nodes)
.links(root.edges)
.size([width,height])
.linkDistance(200)
.charge(-1500)
.start();
var label_text_1 = svg.append("text")
.attr("class","labeltext")
.attr("x",10)
.attr("y",16)
.text("运动状态:开始");
var label_text_2 = svg.append("text")
.attr("class","labeltext")
.attr("x",10)
.attr("y",40)
.text("拖拽状态:结束");
var edges_line = svg.selectAll("line")
.data(root.edges)
.enter()
.append("line")
.style("stroke","#ccc")
.style("stroke-width",1);
var edges_text = svg.selectAll(".linetext")
.data(root.edges)
.enter()
.append("text")
.attr("class","linetext")
.text(function(d){
return d.relation;
});
var drag = force.drag()
.on("dragstart",function(d,i){
d.fixed = true; //拖拽开始后设定被拖拽对象为固定
label_text_2.text("拖拽状态:开始");
})
.on("dragend",function(d,i){
label_text_2.text("拖拽状态:结束");
})
.on("drag",function(d,i){
label_text_2.text("拖拽状态:进行中");
});
var nodes_img = svg.selectAll("image")
.data(root.nodes)
.enter()
.append("image")
.attr("width",img_w)
.attr("height",img_h)
.attr("xlink:href",function(d){
return d.image;
})
.on("mouseover",function(d,i){
//显示连接线上的文字
edges_text.style("fill-opacity",function(edge){
if( edge.source === d || edge.target === d ){
return 1.0;
}
});
})
.on("mouseout",function(d,i){
//隐去连接线上的文字
edges_text.style("fill-opacity",function(edge){
if( edge.source === d || edge.target === d ){
return 0.0;
}
});
})
.on("dblclick",function(d,i){
d.fixed = false;
})
.call(drag);
var text_dx = -20;
var text_dy = 20;
var nodes_text = svg.selectAll(".nodetext")
.data(root.nodes)
.enter()
.append("text")
.attr("class","nodetext")
.attr("dx",text_dx)
.attr("dy",text_dy)
.text(function(d){
return d.name;
});
//力学图运动开始时
force.on("start", function(){
label_text_1.text("运动状态:开始");
});
//力学图运动结束时
force.on("end", function(){
label_text_1.text("运动状态:结束");
});
force.on("tick", function(){
//修改标签文字
label_text_1.text("运动状态:进行中");
//限制结点的边界
root.nodes.forEach(function(d,i){
d.x = d.x - img_w/2 < 0 ? img_w/2 : d.x ;
d.x = d.x + img_w/2 > width ? width - img_w/2 : d.x ;
d.y = d.y - img_h/2 < 0 ? img_h/2 : d.y ;
d.y = d.y + img_h/2 + text_dy > height ? height - img_h/2 - text_dy : d.y ;
});
//更新连接线的位置
edges_line.attr("x1",function(d){ return d.source.x; });
edges_line.attr("y1",function(d){ return d.source.y; });
edges_line.attr("x2",function(d){ return d.target.x; });
edges_line.attr("y2",function(d){ return d.target.y; });
//更新连接线上文字的位置
edges_text.attr("x",function(d){ return (d.source.x + d.target.x) / 2 ; });
edges_text.attr("y",function(d){ return (d.source.y + d.target.y) / 2 ; });
//更新结点图片和文字
nodes_img.attr("x",function(d){ return d.x - img_w/2; });
nodes_img.attr("y",function(d){ return d.y - img_h/2; });
nodes_text.attr("x",function(d){ return d.x });
nodes_text.attr("y",function(d){ return d.y + img_w/2; });
});
});
</script>
</body>
</html>
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