D3 Examples - The Force Directed Map

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
path {
  fill: #ddd;
  fill-opacity: .8;
  stroke: #fff;
  stroke-width: 1.5px;
}
​
line {
  stroke: #999;
}
​
</style>
<body>
<link href="https://rawgithub.com/VisDockHub/NewVisDock/master/master/visdock.css" rel="stylesheet" type="text/css"/>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="https://d3js.org/topojson.v1.min.js"></script>
<script src="https://rawgithub.com/visdockhub/newvisdock/master/master/visdock.js"></script>
<script src="https://rawgithub.com/visdockhub/newvisdock/master/master/2d.js"></script>
<script src="https://rawgithub.com/visdockhub/newvisdock/master/master/intersectionutilities.js"></script>
<script src="https://rawgithub.com/visdockhub/newvisdock/master/master/visdock.utils.js"></script>
​
<script>
​
var width = 960,
    height = 500;
​
var click = 0;
​
VisDock.init("body", {width: 960, height: 700});
var viewport = VisDock.getViewport();
​
var path = d3.geo.path(),
    force = d3.layout.force().size([width, height]);
​
var svg = viewport;
​
d3.json("/VisDockHub/raw/8971488/us.json", function(error, us) {
  var states = topojson.feature(us, us.objects.states),
      nodes = [],
      links = [];
​
  states.features.forEach(function(d, i) {
    if (d.id === 2 || d.id === 15 || d.id === 72) return; // lower 48
    var centroid = path.centroid(d);
    if (centroid.some(isNaN)) return;
    centroid.x = centroid[0];
    centroid.y = centroid[1];
    centroid.feature = d;
    nodes.push(centroid);
  });
​
  d3.geom.voronoi().links(nodes).forEach(function(link) {
    var dx = link.source.x - link.target.x,
        dy = link.source.y - link.target.y;
    link.distance = Math.sqrt(dx * dx + dy * dy);
    links.push(link);
  });
​
  force
      .gravity(0)
      .nodes(nodes)
      .links(links)
      .linkDistance(function(d) { return d.distance; })
      .start();
​
  var link = svg.selectAll("line")
      .data(links)
    .enter().append("line")
      .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; });
​
  var node = svg.selectAll("g")
      .data(nodes)
    .enter().append("g")
      .attr("class", "states")
      .attr("transform", function(d) { return "translate(" + -d.x + "," + -d.y + ")"; })
      .call(force.drag)
    .append("path")
      .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
      .attr("d", function(d) { return path(d.feature); })
​
   
  force.on("tick", function(e) {
    VisDock.startChrome();
    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; });
        for (var u = 0; u < num; u++){
            for (var v = 0; v < QueryManager.layers[u].length; v++){
                var str = QueryManager.layers[u][v][0][0].parentNode.childNodes[0].getAttributeNS(null, "transform")
                QueryManager.layers[u][v][0][0].setAttributeNS(null, "transform", str)
            }
        } 
​
    node.attr("transform", function(d) {
      return "translate(" + d.x + "," + d.y + ")";
    });
    VisDock.finishChrome();
  });
});
​
VisDock.eventHandler = {
    getHitsPolygon : function(points, inclusive) {
        var shapebound = new createPolygon(points);
        return shapebound.intersectPath(d3.selectAll("path")[0], inclusive)
    },
    getHitsLine : function(points, inclusive) {
        var shapebound = new createLine(points);
        return shapebound.intersectPath(d3.selectAll("path")[0], inclusive)
    },
    getHitsEllipse : function(points, inclusive) {
        var shapebound = new createEllipse(points);
        return shapebound.intersectPath(d3.selectAll("path")[0], inclusive)
    },
    setColor : function(hits) {
        QueryManager.layers[num - 1] = [];
        for (var i = 0; i < hits.length; i++) {
            var str = hits[i].getAttributeNS(null, "transform");
            var d = hits[i].getAttributeNS(null, "d")
            QueryManager.layers[num - 1][i] = d3.select(hits[i].parentNode).append("path").attr("transform", str)
                .attr("d", d)
                .attr("style", "fill: " + VisDock.color[num - 1] + "; opacity: 0.5; pointer-events: none")
        }
    },
    changeColor : function(color, query, index) {
        var vis = VisDock.utils.getQueryVisibility(index);
        for (var i = 0; i < query.length; i++) {
            query[i][0][0].setAttributeNS(null, "style", "fill: " + color + "; opacity: " + vis)
        }
    },
    changeVisibility : function(vis, query, index) {
        var color = VisDock.utils.getQueryColor(index);
        for (var i = 0; i < query.length; i++) {
            query[i][0][0].setAttributeNS(null, "style", "fill: " + color + "; opacity: " + vis)
        }
    },
    removeColor : function(hits, index) {
        for (var i = 0; i < hits.length; i++) {
            hits[i].remove();
        }
    },
    QueryClick : function(query, index) {
​
    }
}
BirdView.init(viewport, 960, 700)
d3.select(self.frameElement).style("width", "960px")
d3.select(self.frameElement).style("height", "700px")
</script>
    