D3 Examples - Zoomable Layout

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
.background {
  fill: none;
  pointer-events: all;
}
​
#states {
  fill: #aaa;
}
​
#states .active {
  fill: orange;
}
​
#state-borders {
  fill: none;
  stroke: #fff;
  stroke-width: 1.5px;
  stroke-linejoin: round;
  stroke-linecap: round;
  pointer-events: none;
}
​
</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,
    centered;
​
VisDock.init("body", {width: 960, height: 700});
var viewport = VisDock.getViewport();
​
var projection = d3.geo.albersUsa()
    .scale(1070)
    .translate([width / 2, height / 2]);
​
var path = d3.geo.path()
    .projection(projection);
​
var svg = viewport;
​
svg.append("rect")
    .attr("class", "background")
    .attr("width", width)
    .attr("height", height)
    .on("click", clicked);
​
var g = svg.append("g");
​
d3.json("us.json", function(error, us) {
  g.append("g")
      .attr("id", "states")
    .selectAll("path")
      .data(topojson.feature(us, us.objects.states).features)
    .enter().append("path")
      .attr("d", path)
      .on("click", clicked);
​
  g.append("path")
      .datum(topojson.mesh(us, us.objects.states, function(a, b) { return a !== b; }))
      .attr("id", "state-borders")
      .attr("d", path);
});
​
function clicked(d) {
  VisDock.startChrome();
  var x, y, k;
  
  if (d && centered !== d) {
    var centroid = path.centroid(d);
    x = centroid[0];
    y = centroid[1];
    k = 4;
    centered = d;
  } else {
    x = width / 2;
    y = height / 2;
    k = 1;
    centered = null;
  }
​
  g.selectAll("path")
      .classed("active", centered && function(d) { return d === centered; });
​
  g.transition()
      .duration(750)
      .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")scale(" + k + ")translate(" + -x + "," + -y + ")")
      .style("stroke-width", 1.5 / k + "px");
  VisDock.finishChrome();
}
​
// VisDock Event Handler
    VisDock.eventHandler = {
        getHitsPolygon : function(points, inclusive) {
            var shapebound = new createPolygon(points);
            return shapebound.intersectPath(d3.selectAll("#states").selectAll("path")[0], inclusive)
        },
        getHitsLine : function(points, inclusive) {
            var shapebound = new createLine(points);
            return shapebound.intersectPath(d3.selectAll("#states").selectAll("path")[0], inclusive)
            },
        getHitsEllipse : function(points, inclusive) {
            var shapebound = new createEllipse(points);
            return shapebound.intersectPath(d3.selectAll("#states").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, "d")
                QueryManager.layers[num - 1][i] = d3.selectAll("#states").append("path").attr("d", str)
                    .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) {
            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>
    