G6 - 系统网络

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    <html>
      <head>
        <meta charset="utf-8">
        <title>系统网络</title>
<script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/assets/g6/1.2.8/g6.min.js"></script>
      </head>
      <body>
          <div id="c1"></div>
 <script type="text/javascript">
$.getJSON('../../../static/data/systemNet.json',function(data){
  var Layout = G6.Layout;
  var Util = G6.Util;
  var map = {};
  var maxValue = 0;
  var maxValueTmp;
  var layout;
  var sizeDomain = 20;

  G6.Global.nodeLabelStyle = {
    fill: '#666',
    textAlign: 'center',
    fontSize: 12,
    textBaseline: 'middle'
  };

  G6.registNode('rect',{
    getAnchorPoints: function(){
      return 'auto'
    }
  });

  G6.registEdge('bezierQuadratic',{
    afterDraw: function(cfg, group, edge){
      var points = cfg.points;
      var start = points[0];
      var end = points[points.length - 1];
      var center = edge.getPoint(0.5);
      var lineWidth = edge.attr('lineWidth');
      if(lineWidth < 5){
        lineWidth = 5;
      }
      // 关于自身坐标系构造一个形，作为箭头
      var arrow = group.addShape('polyline', {
        attrs:{
          points: [
            [-lineWidth/4, lineWidth/2],
            [lineWidth/4, 0],
            [-lineWidth/4, -lineWidth/2]
          ],
          stroke: '#333'
        },
        class: 'arrow'
      });
      arrow.hide();
      Util.arrowTo(arrow, center.x, center.y, center.x, center.y, end.x, end.y);
    }
  });

  Util.each(data.nodes, function(node){
    map[node.id] = node;
  });

  Util.each(data.edges, function(edge){
    maxValueTmp = parseInt(edge.value);
    if(maxValueTmp > maxValue) maxValue = maxValueTmp;
  });

  layout = new Layout.Force({
    nodes: data.nodes,
    edges: data.edges,
    stiffness: 100.0,         // 硬度
    damping: 0.1,             // 阻尼
    minEnergyThreshold: 200,  // 能量域值
    repulsion: 2000.0         // 斥力
  });

  var net = new G6.Net({
    id: 'c1',           // 容器ID
    mode: 'analysis',   // 分析模式
    fitView: 'autoZoom',
    height: 450         // 画布高
  });
  net.source(data.nodes, data.edges);
  net.node()
    .label('id')
    .style({
      fill: 'white',
      fillOpacity: 0.8
    });
  net.edge()
    .size(function(obj){
      return Math.pow(parseInt(obj.value)/maxValue, 1/3) * sizeDomain;
    })
    .style({
      opacity: 0.2
    })
    .shape('bezierQuadratic');
  layout.onNodeChange = function(id, point){
    map[id].x = point.x*60+400;
    map[id].y = point.y*60+400;
  };
  layout.onFinish = function(){
    net.render();
  };
  net.on('mouseenter', function(ev){
    var item = ev.item;
    var group;
    var arrow;
    if(!item || ev.itemType === 'edge') return;
    var unRelativeItems = item.getUnRelativeItems();
    var edges = item.get('edges');
    Util.each(unRelativeItems, function(v){
      v.hide();
    });
    Util.each(edges, function(v){
      group = v.get('group');
      arrow = group.findByCFG('class', 'arrow')[0];
      arrow.show();
    });
    net.refresh();
  });

  net.on('mouseleave', function(ev){
    var item = ev.item;
    var group;
    var arrow;
    if(!item || ev.itemType === 'edge') return;
    var unRelativeItems = item.getUnRelativeItems();
    var edges = item.get('edges');
    Util.each(unRelativeItems, function(v){
      v.show();
    });
    Util.each(edges, function(v){
      group = v.get('group');
      arrow = group.findByCFG('class', 'arrow')[0];
      arrow.hide();
    });
    net.refresh();
  });
});
</script>

      </body>
    </html>
          
        
系统网络
该图展示了某计算机集群内系统和系统之间的调用关系。该示例的目的在于向大家展示静态力导图的用法。（数据纯属虚构）