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index.html
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index.html
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<!DOCTYPE html>
<html>
<meta charset="utf-8">
<style>
.links line {
stroke: #999;
stroke-opacity: 0.6;
}
.nodes circle {
stroke: #fff;
stroke-width: 1.5px;
}
</style>
<!-- SEARCH FUNCTIONALITY -->
<div class="ui-widget">
<input id="search">
<button type="button" onclick="searchNode()">Search</button>
</div>
<!-- FishEye -->
<script type='text/javascript' src="http://bost.ocks.org/mike/fisheye/fisheye.js?0.0.3"> </script>
<!-- Search Function -->
<script type='text/javascript' src="http://code.jquery.com/ui/1.11.0/jquery-ui.min.js"> </script>
<script type='text/javascript' src="http://code.jquery.com/ui/1.11.0/themes/smoothness/jquery-ui.css"> </script>
<!-- JSON File -->
<svg width="960" height="600"></svg>
<script src="http://d3js.org/d3.v3.min.js" type="text/javascript"></script>
<script>
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
var color = d3.scale.category20();
//Set up the force layout
var force = d3.layout.force()
.charge(-120)
.linkDistance(30)
.size([width, height]);
d3.json("miserables.json", function(error, graph) {
if (error) throw error;
//Append a SVG to the body of the html page. Assign this SVG as an object to svg
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
//Read the data from the mis element
var mis = document.getElementById('mis').innerHTML;
graph = JSON.parse(mis);
graphRec=JSON.parse(JSON.stringify(graph)); //Add this line
//Creates the graph data structure out of the json data
force.nodes(graph.nodes)
.links(graph.links)
.start();
//Create all the line svgs but without locations yet
var link = svg.selectAll(".link")
.data(graph.links)
.enter().append("line")
.attr("class", "link")
.style("marker-end", "url(#suit)") // Modified line
return Math.sqrt(d.value);
//Do the same with the circles for the nodes - no
var node = svg.selectAll(".node")
.data(graph.nodes)
.enter().append("g")
.attr("class", "node")
.call(force.drag);
.on('dblclick', connectedNodes); //Added code
node.append("circle")
.attr("r", 8)
.style("fill", function (d) {
return color(d.group);
})
node.append("text")
.attr("dx", 10)
.attr("dy", ".35em")
.text(function(d) {return d.name})
.style("stroke", "gray")
//Now we are giving the SVGs co-ordinates - the force layout is generating the co-ordinates which this code is using to update the attributes of the SVG elements
force.on("tick", function () {
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;
});
d3.selectAll("circle").attr("cx", function(d) {
return d.x;
})
.attr("cy", function (d) {
return d.y;
});
d3.selectAll("text").attr("x", function(d) {
return d.x;
})
.attr("y", function (d) {
return d.y;
});
node.each(collide(0.5)); //Added
});
// Arrows for directed graph
svg.append("defs").selectAll("marker")
.data(["suit", "licensing", "resolved"])
.enter().append("marker")
.attr("id", function(d) { return d; })
.attr("viewBox", "0 -5 10 10")
.attr("refX", 25)
.attr("refY", 0)
.attr("markerWidth", 6)
.attr("markerHeight", 6)
.attr("orient", "auto")
.append("path")
.attr("d", "M0,-5L10,0L0,5 L10,0 L0, -5")
.style("stroke", "#4679BD")
.style("opacity", "0.6");
//adjust threshold
function threshold(thresh) {
graph.links.splice(0, graph.links.length);
for (var i = 0; i < graphRec.links.length; i++) {
if (graphRec.links[i].value > thresh) {graph.links.push(graphRec.links[i]);}
}
restart();
}
//Restart the visualisation after any node and link changes
function restart() {
link = link.data(graph.links);
link.exit().remove();
link.enter().insert("line", ".node").attr("class", "link");
node = node.data(graph.nodes);
node.enter().insert("circle", ".cursor").attr("class", "node").attr("r", 5).call(force.drag);
force.start();
}
var padding = 1, // separation between circles
radius=8;
function collide(alpha) {
var quadtree = d3.geom.quadtree(graph.nodes);
return function(d) {
var rb = 2*radius + padding,
nx1 = d.x - rb,
nx2 = d.x + rb,
ny1 = d.y - rb,
ny2 = d.y + rb;
quadtree.visit(function(quad, x1, y1, x2, y2) {
if (quad.point && (quad.point !== d)) {
var x = d.x - quad.point.x,
y = d.y - quad.point.y,
l = Math.sqrt(x * x + y * y);
if (l < rb) {
l = (l - rb) / l * alpha;
d.x -= x *= l;
d.y -= y *= l;
quad.point.x += x;
quad.point.y += y;
}
}
return x1 > nx2 || x2 < nx1 || y1 > ny2 || y2 < ny1;
});
};
}
// FISH EYE
var fisheye = d3.fisheye.circular()
.radius(120);
svg.on("mousemove", function() {
force.stop();
fisheye.focus(d3.mouse(this));
d3.selectAll("circle").each(function(d) { d.fisheye = fisheye(d); })
.attr("cx", function(d) { return d.fisheye.x; })
.attr("cy", function(d) { return d.fisheye.y; })
.attr("r", function(d) { return d.fisheye.z * 8; });
link.attr("x1", function(d) { return d.source.fisheye.x; })
.attr("y1", function(d) { return d.source.fisheye.y; })
.attr("x2", function(d) { return d.target.fisheye.x; })
.attr("y2", function(d) { return d.target.fisheye.y; });
});
// HIGHLIGHTING
//Toggle stores whether the highlighting is on
var toggle = 0;
//Create an array logging what is connected to what
var linkedByIndex = {};
for (i = 0; i < graph.nodes.length; i++) {
linkedByIndex[i + "," + i] = 1;
};
graph.links.forEach(function (d) {
linkedByIndex[d.source.index + "," + d.target.index] = 1;
});
//This function looks up whether a pair are neighbours
function neighboring(a, b) {
return linkedByIndex[a.index + "," + b.index];
}
function connectedNodes() {
if (toggle == 0) {
//Reduce the opacity of all but the neighbouring nodes
d = d3.select(this).node().__data__;
node.style("opacity", function (o) {
return neighboring(d, o) | neighboring(o, d) ? 1 : 0.1;
});
link.style("opacity", function (o) {
return d.index==o.source.index | d.index==o.target.index ? 1 : 0.1;
});
//Reduce the op
toggle = 1;
} else {
//Put them back to opacity=1
node.style("opacity", 1);
link.style("opacity", 1);
toggle = 0;
}
}
// SEARCH BAR FUNCTIONALITY
var optArray = [];
for (var i = 0; i < graph.nodes.length - 1; i++) {
optArray.push(graph.nodes[i].name);
}
optArray = optArray.sort();
$(function () {
$("#search").autocomplete({
source: optArray
});
});
function searchNode() {
//find the node
var selectedVal = document.getElementById('search').value;
var node = svg.selectAll(".node");
if (selectedVal == "none") {
node.style("stroke", "white").style("stroke-width", "1");
} else {
var selected = node.filter(function (d, i) {
return d.name != selectedVal;
});
selected.style("opacity", "0");
var link = svg.selectAll(".link")
link.style("opacity", "0");
d3.selectAll(".node, .link").transition()
.duration(5000)
.style("opacity", 1);
}
}
});
</script>
</html>