GEXF (Graph Exchange XML Format) is a language for describing complex networks structures, their associated data and dynamics. GexfUtil is a tool to generate .gexf files
This tool was developed on the basis of francesco-ficarola/gexf4j and therefore requires the dependency of gexf4j. It is recommended to use maven here.
<dependency>
<groupId>it.uniroma1.dis.wsngroup.gexf4j</groupId>
<artifactId>gexf4j</artifactId>
<version>1.0.0</version>
</dependency>
This tool is usually used in the reduce phase of the MapReduce computing framework.
GexfUtil.addNode(key.toString(), String.valueOf(sum), key.toString(), sum%100);
The four parameters represent the id of the node, lable, categories, size
GexfUtil.addEdge(key.toString(), lastKey);
<%--
User: jaschen
Date: 2018-11-25
Time: 10:14
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>GexfUtil</title>
<script src="https://upcdn.b0.upaiyun.com/libs/jquery/jquery-2.0.2.min.js"></script>
<script src="lib/echarts.js"></script>
<script src="lib/dataTool.js"></script>
</head>
<body>
<div id="main" style="width: 900px;height: 800px">
</div>
<script>
var myChart = echarts.init(document.getElementById('main'));
myChart.showLoading();
$.get('sample.gexf', function (xml) {
//static_graph_sample
myChart.hideLoading();
var graph = echarts.dataTool.gexf.parse(xml);
var categories = [];
//设置类别，类别需要手动设置
for (var i = 0; i < 3; i++) {
categories[i] = {
name: '列别' + i //change your code here
};
}
graph.nodes.forEach(function (node) {
node.itemStyle = null;
node.value = node.symbolSize;
// node.symbolSize = 80; //统一指定节点的大小，默认按照创建时候的大小进行显示
node.label = {
normal: {
show: node.symbolSize > 0 //设置当大于多少的时候显示node的label
}
};
node.category = node.attributes.modularity_class;//设置每一个node的类别，这里的modularity_class要与gexf文件中的一致
});
//开始设置表图的属性
option = {
title: {
text: 'GexfUtil Samples',
subtext: 'Created By Jaschen',
top: 'bottom',
left: 'right'
},
tooltip: {},
legend: [{
//selectedMode: 'single',//设置一个时间只显示一个列别
data: categories.map(function (a) {
return a.name;
})
}],
animationDuration: 1500,
animationEasingUpdate: 'quinticInOut',
series : [
{
name: 'GexfUtil Samples',
type: 'graph',
layout: 'force',
data: graph.nodes,
links: graph.links,
categories: categories,
roam: true,//是否开启鼠标缩放
focusNodeAdjacency: true,//突出显示节点
force:{
edgeLength:360,
layoutAnimation:true,//是否显示添加node之后动画
repulsion:999 //斥力因子，数值越大，表示斥力越大
},
itemStyle: {
normal: {
borderColor: '#fbf6ff',//node的颜色
borderWidth: 1,
shadowBlur: 10,
shadowColor: 'rgba(0, 0, 0, 0.3)'
}
},
label: {
position: 'right',
formatter: '{b}'
},
lineStyle: {
color: 'source',
curveness: 0.3 //边的曲度，从0-1，数值越大，曲度越大。
},
emphasis: {
lineStyle: {
width: 10
}
}
}
]
};
myChart.setOption(option);
}, 'xml');
</script>
</body>
</html><?xml version='1.0' encoding='UTF-8'?>
<gexf xmlns="http://www.gexf.net/1.2draft" xmlns:viz="http://www.gexf.net/1.2draft/viz" version="1.2">
<meta>
<creator>GexfUtil_Create_By_Jasc</creator>
</meta>
<graph defaultedgetype="undirected" idtype="string" mode="static">
<attributes class="node" mode="static">
<attribute id="modularity_class" title="Modularity Class" type="integer"/>
</attributes>
<nodes count="3">
<node id="1" label="1">
<attvalues>
<attvalue for="modularity_class" value="0"/>
</attvalues>
<viz:size value="10.0"/>
</node>
<node id="2" label="2">
<attvalues>
<attvalue for="modularity_class" value="1"/>
</attvalues>
<viz:size value="10.0"/>
</node>
<node id="3" label="3">
<attvalues>
<attvalue for="modularity_class" value="2"/>
</attvalues>
<viz:size value="20.0"/>
</node>
</nodes>
<edges count="3">
<edge id="3a1e19e7-ef4b-4516-8dec-3c1edb397b6a" source="1" target="2" type="undirected"/>
<edge id="a3e9999a-c532-4913-90eb-ba1949508102" source="2" target="3" type="undirected"/>
<edge id="4ae5e2d6-a366-4aea-86fd-0576b3edba16" source="3" target="1" type="undirected"/>
</edges>
</graph>
</gexf>public class Main {
public static void main(String[] args) throws IOException {
GexfUtil.setFile(new File("web/sample.gexf"),false);
GexfUtil.addNode("1","1","1",10);
GexfUtil.addNode("2","2","2",10);
GexfUtil.addNode("3","3","3",20);
GexfUtil.addEdge("1","2");
GexfUtil.addEdge("2","3");
GexfUtil.addEdge("3","1");
GexfUtil.flush();
}
}