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Utopiah/.block

Created September 15, 2016 12:49
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Wiki data, first 10 pages only (force-Directed Graph with Mouseover)
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.link {
fill: none;
stroke: #666;
stroke-width: 1.5px;
}
.node circle {
fill: #ccc;
stroke: #fff;
stroke-width: 1.5px;
}
text {
font: 10px sans-serif;
pointer-events: none;
}
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src="http://vatelier.net/MyDemo/newtooling/wiki_graph_var.js"></script>
<script>
var parameterPosition= document.URL.indexOf('page=');
console.log(document.URL);
console.log(parameterPosition);
var specifiedPage = (parameterPosition !== -1 ) ? true:false;
if (specifiedPage){
if (!/[^a-zA-Z0-9\.]/.test(specifiedPage)) {
console.log("page ", document.URL[parameterPosition+5]);
// if clean use that as starting node
// recursively load up to MaxPages neighbours
// if nothing then next alphabetical pages
}
}
var MaxPages = 10;
var dictionary = wiki.Nodes;
var keys = [];
keys = Object.keys(dictionary);
var links = [];
for (var i=0; i<MaxPages; i++){
var page = dictionary[keys[i+1]];
if (page.Targets){
for (var j=0; j<page.Targets.length; j++){
links.push({source: page.Id, target: page.Targets[j]});
}
}
}
var nodes = {};
// Compute the distinct nodes from the links.
links.forEach(function(link) {
link.source = nodes[link.source] || (nodes[link.source] = {name: link.source});
link.target = nodes[link.target] || (nodes[link.target] = {name: link.target});
});
var width = 960,
height = 500;
var force = d3.layout.force()
.nodes(d3.values(nodes))
.links(links)
.size([width, height])
.linkDistance(60)
.charge(-300)
.on("tick", tick)
.start();
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
var link = svg.selectAll(".link")
.data(force.links())
.enter().append("line")
.attr("class", "link");
var node = svg.selectAll(".node")
.data(force.nodes())
.enter().append("g")
.attr("class", "node")
.on("mouseover", mouseover)
.on("mouseout", mouseout)
.call(force.drag);
node.append("circle")
.attr("r", 8);
node.append("text")
.attr("x", 12)
.attr("dy", ".35em")
.text(function(d) { return d.name; });
function tick() {
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; });
node
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
}
function mouseover() {
d3.select(this).select("circle").transition()
.duration(750)
.attr("r", 16);
}
function mouseout() {
d3.select(this).select("circle").transition()
.duration(750)
.attr("r", 8);
}
</script>
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