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nivas8292/adjacency_matrix.js

Last active August 29, 2015 14:24
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Adjacency Matrix Example
Raw
adjacency_matrix.js
(function() {
d3.layout.adjacencyMatrix = function() {
var directed = true,
size = [1,1],
nodes = [],
edges = [],
edgeWeight = function (d) {return 1},
nodeID = function (d) {return d.id};
function matrix() {
var width = size[0],
height = size[1],
nodeWidth = width / nodes.length,
nodeHeight = height / nodes.length,
constructedMatrix = [],
matrix = [],
edgeHash = {},
xScale = d3.scale.linear().domain([0,nodes.length]).range([0,width]),
yScale = d3.scale.linear().domain([0,nodes.length]).range([0,height]);
nodes.forEach(function(node, i) {
node.sortedIndex = i;
})
edges.forEach(function(edge) {
var constructedEdge = {source: edge.source, target: edge.target, weight: edgeWeight(edge)};
if (typeof edge.source == "number") {
constructedEdge.source = nodes[edge.source];
}
if (typeof edge.target == "number") {
constructedEdge.target = nodes[edge.target];
}
var id = nodeID(constructedEdge.source) + "-" + nodeID(constructedEdge.target);
if (directed === false && constructedEdge.source.sortedIndex < constructedEdge.target.sortedIndex) {
id = nodeID(constructedEdge.target) + "-" + nodeID(constructedEdge.source);
}
if (!edgeHash[id]) {
edgeHash[id] = constructedEdge;
}
else {
edgeHash[id].weight = edgeHash[id].weight + constructedEdge.weight;
}
});
console.log("nodes", nodes, nodes.length)
nodes.forEach(function (sourceNode, a) {
nodes.forEach(function (targetNode, b) {
var grid = {id: nodeID(sourceNode) + "-" + nodeID(targetNode), source: sourceNode, target: targetNode, x: xScale(b), y: yScale(a), weight: 0, height: nodeHeight, width: nodeWidth};
var edgeWeight = 0;
if (edgeHash[grid.id]) {
edgeWeight = edgeHash[grid.id].weight;
grid.weight = edgeWeight;
};
if (directed === true || b < a) {
matrix.push(grid);
if (directed === false) {
var mirrorGrid = {id: nodeID(sourceNode) + "-" + nodeID(targetNode), source: sourceNode, target: targetNode, x: xScale(a), y: yScale(b), weight: 0, height: nodeHeight, width: nodeWidth};
mirrorGrid.weight = edgeWeight;
matrix.push(mirrorGrid);
}
}
});
});
console.log("matrix", matrix, matrix.length)
return matrix;
}
matrix.directed = function(x) {
if (!arguments.length) return directed;
directed = x;
return matrix;
}
matrix.size = function(x) {
if (!arguments.length) return size;
size = x;
return matrix;
}
matrix.nodes = function(x) {
if (!arguments.length) return nodes;
nodes = x;
return matrix;
}
matrix.links = function(x) {
if (!arguments.length) return edges;
edges = x;
return matrix;
}
matrix.edgeWeight = function(x) {
if (!arguments.length) return edgeWeight;
if (typeof x === "function") {
edgeWeight = x;
}
else {
edgeWeight = function () {return x};
}
return matrix;
}
matrix.nodeID = function(x) {
if (!arguments.length) return nodeID;
if (typeof x === "function") {
nodeID = x;
}
return matrix;
}
matrix.xAxis = function(calledG) {
var nameScale = d3.scale.ordinal()
.domain(nodes.map(nodeID))
.rangePoints([0,size[0]],1);
var xAxis = d3.svg.axis().scale(nameScale).orient("top").tickSize(4);
calledG
.append("g")
.attr("class", "am-xAxis am-axis")
.call(xAxis)
.selectAll("text")
.style("text-anchor", "end")
.attr("transform", "translate(-10,-10) rotate(90)");
}
matrix.yAxis = function(calledG) {
var nameScale = d3.scale.ordinal()
.domain(nodes.map(nodeID))
.rangePoints([0,size[1]],1);
yAxis = d3.svg.axis().scale(nameScale)
.orient("left")
.tickSize(4);
calledG.append("g")
.attr("class", "am-yAxis am-axis")
.call(yAxis);
}
return matrix;
}
})();
Raw
data.json
{
"nodes":[
{"name":"Myriel","group":1},
{"name":"Napoleon","group":1},
{"name":"Mlle.Baptistine","group":1},
{"name":"Mme.Magloire","group":1},
{"name":"CountessdeLo","group":1},
{"name":"Geborand","group":1},
{"name":"Champtercier","group":1},
{"name":"Cravatte","group":1},
{"name":"Count","group":1},
{"name":"OldMan","group":1},
{"name":"Labarre","group":2},
{"name":"Valjean","group":2},
{"name":"Marguerite","group":3},
{"name":"Mme.deR","group":2},
{"name":"Isabeau","group":2},
{"name":"Gervais","group":2},
{"name":"Tholomyes","group":3},
{"name":"Listolier","group":3},
{"name":"Fameuil","group":3},
{"name":"Blacheville","group":3},
{"name":"Favourite","group":3},
{"name":"Dahlia","group":3},
{"name":"Zephine","group":3},
{"name":"Fantine","group":3},
{"name":"Mme.Thenardier","group":4},
{"name":"Thenardier","group":4},
{"name":"Cosette","group":5},
{"name":"Javert","group":4},
{"name":"Fauchelevent","group":0},
{"name":"Bamatabois","group":2},
{"name":"Perpetue","group":3},
{"name":"Simplice","group":2},
{"name":"Scaufflaire","group":2},
{"name":"Woman1","group":2},
{"name":"Judge","group":2},
{"name":"Champmathieu","group":2},
{"name":"Brevet","group":2},
{"name":"Chenildieu","group":2},
{"name":"Cochepaille","group":2},
{"name":"Pontmercy","group":4},
{"name":"Boulatruelle","group":6},
{"name":"Eponine","group":4},
{"name":"Anzelma","group":4},
{"name":"Woman2","group":5},
{"name":"MotherInnocent","group":0},
{"name":"Gribier","group":0},
{"name":"Jondrette","group":7},
{"name":"Mme.Burgon","group":7},
{"name":"Gavroche","group":8},
{"name":"Gillenormand","group":5},
{"name":"Magnon","group":5},
{"name":"Mlle.Gillenormand","group":5},
{"name":"Mme.Pontmercy","group":5},
{"name":"Mlle.Vaubois","group":5},
{"name":"Lt.Gillenormand","group":5},
{"name":"Marius","group":8},
{"name":"BaronessT","group":5},
{"name":"Mabeuf","group":8},
{"name":"Enjolras","group":8},
{"name":"Combeferre","group":8},
{"name":"Prouvaire","group":8},
{"name":"Feuilly","group":8},
{"name":"Courfeyrac","group":8},
{"name":"Bahorel","group":8},
{"name":"Bossuet","group":8},
{"name":"Joly","group":8},
{"name":"Grantaire","group":8},
{"name":"MotherPlutarch","group":9},
{"name":"Gueulemer","group":4},
{"name":"Babet","group":4},
{"name":"Claquesous","group":4},
{"name":"Montparnasse","group":4},
{"name":"Toussaint","group":5},
{"name":"Child1","group":10},
{"name":"Child2","group":10},
{"name":"Brujon","group":4},
{"name":"Mme.Hucheloup","group":8}
],
"links":[
{"source":1,"target":0,"value":1},
{"source":2,"target":0,"value":8},
{"source":3,"target":0,"value":10},
{"source":3,"target":2,"value":6},
{"source":4,"target":0,"value":1},
{"source":5,"target":0,"value":1},
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{"source":7,"target":0,"value":1},
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{"source":11,"target":10,"value":1},
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{"source":23,"target":19,"value":3},
{"source":23,"target":20,"value":4},
{"source":23,"target":21,"value":4},
{"source":23,"target":22,"value":4},
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{"source":23,"target":11,"value":9},
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{"source":24,"target":11,"value":7},
{"source":25,"target":24,"value":13},
{"source":25,"target":23,"value":1},
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{"source":26,"target":25,"value":1},
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{"source":27,"target":23,"value":5},
{"source":27,"target":25,"value":5},
{"source":27,"target":24,"value":1},
{"source":27,"target":26,"value":1},
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{"source":76,"target":48,"value":1},
{"source":76,"target":58,"value":1}
]
}
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<title>Adjacency Matrix Layout</title>
<style>
svg {
width: 1250px;
height: 850px;
border: 1px solid gray;
}
g.am-axis text {
font-size: 8px;
}
.domain {
fill: none;
}
.tick > line{
stroke: black;
stroke-width: 1px;
stroke-opacity: .25;
}
</style>
</head>
<body>
<svg></svg>
<script src="http://d3js.org/d3.v3.min.js" type="text/JavaScript"></script>
<script src="adjacency_matrix.js"></script>
<script>
var svg = d3.select('svg');
d3.json('data.json', function(err, data) {
var adjacencyMatrix = d3.layout.adjacencyMatrix()
.size([1200, 800])
.nodes(data.nodes)
.links(data.links)
.directed(false)
.nodeID(function(d) {return d.name;});
var matrixData = adjacencyMatrix();
var colorScale = d3.scale.category20b();
svg.append('g')
.attr('transform', 'translate(' + 50 + ',' + 50 + ')')
.attr('id', 'adjacencyG')
.selectAll('rect')
.data(matrixData)
.enter().append('rect')
.attr('x', function(d) {return d.x;})
.attr('y', function(d) {return d.y;})
.attr('width', function(d) {return d.width;})
.attr('height', function(d) {return d.height;})
.style('stroke', 'black')
.style('stroke-width', '1px')
.style('stroke-opacity', .1)
.style('fill', function(d) {return colorScale(d.source.group);})
.style('fill-opacity', function(d) {return d.weight * .8;})
d3.select('#adjacencyG')
.call(adjacencyMatrix.xAxis)
.call(adjacencyMatrix.yAxis);
});
</script>
</body>
</html>
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