{"id":514,"date":"2015-02-11T11:17:23","date_gmt":"2015-02-11T03:17:23","guid":{"rendered":"http:\/\/www.daliane.com\/?p=514"},"modified":"2015-02-11T13:02:55","modified_gmt":"2015-02-11T05:02:55","slug":"d3js_layout_xiang_jie_cluster_-_ji_qun_tu","status":"publish","type":"post","link":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/d3js_layout_xiang_jie_cluster_-_ji_qun_tu\/","title":{"rendered":"D3js Layout \u8be6\u89e3Cluster \u2014- \u96c6\u7fa4\u56fe"},"content":{"rendered":"

\u96c6\u7fa4\u56fe\uff08 Cluster \uff09\u901a\u5e38\u7528\u4e8e\u8868\u793a\u5305\u542b\u4e0e\u88ab\u5305\u542b\u5173\u7cfb\u3002<\/p>\n

\u73b0\u5728\u6211\u4eec\u7ed9\u51fa\u6570\u636e\uff0c\u5e76\u5c06\u5176\u53ef\u89c6\u5316\u3002\u6570\u636e\u7684\u5185\u5bb9\u4e3a\uff1a\u4e2d\u56fd\u91cc\u5305\u542b\u7684\u90e8\u5206\u7701\u4efd\uff0c\u7701\u4efd\u91cc\u5305\u542b\u7684\u90e8\u5206\u57ce\u5e02\u3002\u6211\u4eec\u8bb2\u6570\u636e\u6587\u4ef6\u5199\u5728\u4e00\u4e2a JSON \u6587\u4ef6\u4e2d\uff0c\u518d\u7528 D3 \u6765\u8bfb\u53d6\u3002 JSON(JavaScript Object Notation) \u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\u3002\u5173\u4e8e\u5b83\u7684\u8bed\u6cd5\u89c4\u5219\uff0c\u8bf7\u5404\u4f4d\u81ea\u884c\u67e5\u8be2\u767e\u5ea6\u767e\u79d1\u7b49\u3002\u6570\u636e\u5982\u4e0b\uff1a<\/p>\n

{
\n“name”:”\u4e2d\u56fd”,
\n“children”:
\n[
\n{
\n“name”:”\u6d59\u6c5f” ,
\n“children”:
\n[
\n{“name”:”\u676d\u5dde” },
\n{“name”:”\u5b81\u6ce2” },
\n{“name”:”\u6e29\u5dde” },
\n{“name”:”\u7ecd\u5174” }
\n]
\n},<\/p>\n

{
\n“name”:”\u5e7f\u897f” ,
\n“children”:
\n[
\n{“name”:”\u6842\u6797”},
\n{“name”:”\u5357\u5b81”},
\n{“name”:”\u67f3\u5dde”},
\n{“name”:”\u9632\u57ce\u6e2f”}
\n]
\n},<\/p>\n

{
\n“name”:”\u9ed1\u9f99\u6c5f”,
\n“children”:
\n[
\n{“name”:”\u54c8\u5c14\u6ee8”},
\n{“name”:”\u9f50\u9f50\u54c8\u5c14”},
\n{“name”:”\u7261\u4e39\u6c5f”},
\n{“name”:”\u5927\u5e86”}
\n]
\n},<\/p>\n

{
\n“name”:”\u65b0\u7586” ,
\n“children”:
\n[
\n{“name”:”\u4e4c\u9c81\u6728\u9f50”},
\n{“name”:”\u514b\u62c9\u739b\u4f9d”},
\n{“name”:”\u5410\u9c81\u756a”},
\n{“name”:”\u54c8\u5bc6”}
\n]
\n}
\n]
\n}<\/p><\/blockquote>\n

 <\/p>\n

 <\/p>\n

\u5176\u5b9e\u6211\u4eec\u5149\u4ece\u6570\u636e\u4e0a\u770b\uff0c\u4e5f\u5f88\u5bb9\u6613\u770b\u51fa\u5b83\u4eec\u662f\u7528\u6765\u8868\u793a\u4ec0\u4e48\u7684\uff0c\u662f\u4ec0\u4e48\u5173\u7cfb\u3002\u597d\uff0c\u73b0\u5728\u5f00\u59cb\u8fdb\u884c\u53ef\u89c6\u5316\u3002\u540c\u6837\u7684\uff0c\u5148\u8981\u7528 Layout \u8f6c\u6362\u6570\u636e\u3002
\n[javascript] view plaincopy\u5728CODE\u4e0a\u67e5\u770b\u4ee3\u7801\u7247\u6d3e\u751f\u5230\u6211\u7684\u4ee3\u7801\u7247
\nvar cluster = d3.layout.cluster()
\n.size([height, width – 200]);
\n\u4e0a\u9762\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a cluster \u7684\u6570\u636e\u8f6c\u6362\u51fd\u6570\u3002.size \u51fd\u6570\u7528\u4e8e\u8bbe\u5b9a\u8f6c\u6362\u540e\u7684\u5c3a\u5bf8\u3002\u63a5\u4e0b\u6765\u8981\u7528\u8fd9\u4e2a\u51fd\u6570\u6765\u8f6c\u6362\u6570\u636e\uff1a
\n[javascript] view plaincopy\u5728CODE\u4e0a\u67e5\u770b\u4ee3\u7801\u7247\u6d3e\u751f\u5230\u6211\u7684\u4ee3\u7801\u7247
\nd3.json(“city.json”, function(error, root) {<\/p>\n

var nodes = cluster.nodes(root);
\nvar links = cluster.links(nodes);<\/p>\n

console.log(nodes);
\nconsole.log(links);<\/p>\n

}<\/p>\n

 <\/p>\n

\u6709\u4e86\u8f6c\u6362\u540e\u7684\u6570\u636e\uff0c\u5c31\u53ef\u4ee5\u7ed8\u5236\u4e86\u3002\u5176\u5b9e D3 \u5df2\u7ecf\u57fa\u672c\u4e0a\u4e3a\u6211\u4eec\u51c6\u5907\u597d\u4e86\u7ed8\u5236\u7684\u51fd\u6570\uff0c\u6211\u4eec\u8981\u5b66\u4e60\u7684\u4ec5\u4ec5\u662f\u67e5\u8be2\u5e76\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n

\u7ed8\u5236\u7ebf\u6761\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n

[javascript] view plaincopy\u5728CODE\u4e0a\u67e5\u770b\u4ee3\u7801\u7247\u6d3e\u751f\u5230\u6211\u7684\u4ee3\u7801\u7247
\nvar diagonal = d3.svg.diagonal()
\n.projection(function(d) { return [d.y, d.x]; });
\n\u8fd9\u662f\u7528\u4e8e\u7ed8\u5236\u5bf9\u6389\u7ebf\u7684\u51fd\u6570\uff0c .projection \u7528\u4e8e\u8bbe\u5b9a\u5b83\u7684\u6295\u5f71\u3002\u7ed8\u5236\u7684\u65f6\u5019\uff0c\u6211\u4eec\u8fd9\u6837\u4f7f\u7528\u5b83\uff1a
\n[javascript] view plaincopy\u5728CODE\u4e0a\u67e5\u770b\u4ee3\u7801\u7247\u6d3e\u751f\u5230\u6211\u7684\u4ee3\u7801\u7247
\nvar link = svg.selectAll(“.link”)
\n.data(links)
\n.enter()
\n.append(“path”)
\n.attr(“class”, “link”)
\n.attr(“d”, diagonal);
\n\u8fd9\u6837\u5c31\u7ed8\u5236\u4e86\u6240\u6709\u8282\u70b9\u4e4b\u95f4\u7684\u8fde\u7ebf\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u518d\u7ed8\u5236\u8282\u70b9\u3002\u8282\u70b9\u8fd8\u662f\u4f7f\u7528 svg \u4e2d\u7684 circle \u6765\u7ed8\u5236\uff0c\u8fd9\u91cc\u5c31\u4e0d\u590d\u8ff0\u4e86\uff0c\u524d\u9762\u5df2\u7ecf\u8bb2\u8fc7\u4e86\uff0c\u60a8\u4e5f\u53ef\u4ee5\u81ea\u5df1\u67e5\u770b\u6e90\u4ee3\u7801\u3002\u7ed3\u679c\u56fe\u4e3a\uff1a<\/p>\n

 <\/p>\n

\"2015-02-11_113409\"<\/a><\/p>\n

<html>
\n<head>
\n<meta charset=”utf-8″>
\n<title>Cluster<\/title>
\n<\/head>
\n<style>
\n.node circle {
\nfill: #fff;
\nstroke: steelblue;
\nstroke-width: 1.5px;
\n}
\n.node {
\nfont: 12px sans-serif;
\n}
\n.link {
\nfill: none;
\nstroke: #ccc;
\nstroke-width: 1.5px;
\n}
\n<\/style>
\n<body>
\n<script src=”.\/js\/d3.min.js” charset=”utf-8″><\/script>
\n<script>
\nvar width = 500,
\nheight = 500;<\/p>\n

\/\/\u5b9a\u4e49\u4e86\u4e00\u4e2a cluster\uff08\u96c6\u7fa4\uff09 \u7684\u6570\u636e\u8f6c\u6362\u51fd\u6570\u3002
\nvar cluster = d3.layout.cluster()
\n.size([height, width – 200]);<\/p>\n

\/\/\/\/\u5b9a\u4e49\u5e03\u5c40\u65b9\u5411
\nvar diagonal = d3.svg.diagonal()
\n.projection(function(d) { return [d.y, d.x]; });<\/p>\n

\/\/\u6dfb\u52a0\u753b\u5e03
\nvar svg = d3.select(“body”).append(“svg”)
\n.attr(“width”, width)
\n.attr(“height”, height)
\n.append(“g”)
\n\/\/\u65cb\u8f6c
\n.attr(“transform”, “translate(40,0)”);<\/p>\n

\/\/ d3.json \u7528\u4e8e\u8bfb\u53d6 JSON \u6587\u4ef6\u3002\u8981\u6ce8\u610f\uff0cd3.json \u53ea\u80fd\u7528\u4e8e\u7f51\u7edc\u8bfb\u53d6\uff0c\u6240\u4ee5\u60a8\u5fc5\u987b\u642d\u5efa\u4e00\u4e2a\u670d\u52a1\u5668\u6765\u4f7f\u7528\u5b83<\/p>\n

d3.json(“city.json”, function(error, root) {
\nvar nodes = cluster.nodes(root);
\nvar links = cluster.links(nodes);
\n\/\/\u4e3a\u5173\u7cfb\u96c6\u5408\u8bbe\u7f6e\u8d1d\u585e\u5c14\u66f2\u7ebf\u8fde\u63a5
\nvar link = svg.selectAll(“.link”)
\n.data(links)
\n.enter()
\n.append(“path”)
\n.attr(“class”, “link”)
\n.attr(“d”, diagonal);
\n\/\/\u6839\u636enode\u96c6\u5408\u751f\u6210\u8282\u70b9
\nvar node = svg.selectAll(“.node”)
\n.data(nodes)
\n.enter()
\n.append(“g”)
\n.attr(“class”, “node”)
\n.attr(“transform”, function(d) { return “translate(” + d.y + “,” + d.x + “)”; })
\n\/\/\u4e3a\u8282\u70b9\u6dfb\u52a0\u5706\u5f62\u6807\u8bb0
\nnode.append(“circle”)
\n.attr(“r”, 4.5);
\n\/\/\u4e3a\u8282\u70b9\u6dfb\u52a0\u8bf4\u660e\u6587\u5b57
\nnode.append(“text”)
\n.attr(“dx”, function(d) { return d.children ? -8 : 8; })
\n.attr(“dy”, 3)
\n.style(“text-anchor”, function(d) { return d.children ? “end” : “start”; })
\n.text(function(d) { return d.name; });
\n});
\n<\/script>
\n<\/body>
\n<\/html><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

\u96c6\u7fa4\u56fe\uff08 Cluster \uff09\u901a\u5e38\u7528\u4e8e\u8868\u793a\u5305\u542b\u4e0e\u88ab\u5305\u542b\u5173\u7cfb\u3002 \u73b0\u5728\u6211\u4eec\u7ed9\u51fa\u6570\u636e\uff0c\u5e76\u5c06\u5176\u53ef\u89c6\u5316\u3002\u6570\u636e\u7684\u5185\u5bb9\u4e3a\uff1a\u4e2d\u56fd…<\/p>\n","protected":false},"author":2,"featured_media":518,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[38,56,8],"tags":[55,233],"_links":{"self":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts\/514"}],"collection":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/comments?post=514"}],"version-history":[{"count":6,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts\/514\/revisions"}],"predecessor-version":[{"id":521,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts\/514\/revisions\/521"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/media\/518"}],"wp:attachment":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/media?parent=514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/categories?post=514"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/tags?post=514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}