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Resumé Sankey
Raw
.block
license: gpl-3.0
Raw
README.md

Built with blockbuilder.org

Example of a responsive resumé sankey diagram with hover effect.

Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<style>
div.vis {
width: 80%;
height:700;
margin: 0 auto;
}
text {
fill: #294a51;
font-family: Monospace;
font-size: 11px;
pointer-events: none; }
text.active {
letter-spacing: 1.2px;
font-weight: 700;
text-transform: uppercase; }
@media screen and (min-width: 768px) {
text {
font-size: 12px; } }
.link {
fill: none;
stroke: #e9e9e9;
stroke-opacity: 1;
transition: all 0.3s ease-in-out; }
.link.active {
transition: all 0.3s ease-in-out;
stroke-opacity: 0.4; }
.link.active#link3 {
stroke: #7a6364; }
.link.active#link1 {
stroke: #7a7863; }
.link.active#link2 {
stroke: #a2846a; }
.link.active#link0 {
stroke: #294a51; }
.link.inactive {
stroke-opacity: 0.3;
transition: all 0.3s ease-in-out; }
rect {
fill: #55605a;
stroke-width: 3px; }
rect#id3 {
fill: #7a6364; }
rect#id1 {
fill: #7a7863; }
rect#id2 {
fill: #a2846a; }
rect#id0 {
fill: #294a51; }
rect:hover {
cursor: pointer; }
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="https://d3js.org/queue.v1.min.js"></script>
<script src="sankey.js"></script>
</head>
<body>
<div class="vis">
<div id="sankey"></div>
</div>
<script>
$(document).ready(function(){
//global variables
var $vis = $('.vis');
var width = $vis.width();
var sankeyH;
//check for window width to set sankeyH, width, innerR, outerR
if ($(window).width() >= 768) {
sankeyH = 600;
} else {
sankeyH = 450;
}
/**************** SVG's setup ****************/
//append SVG to #sankey
var sankeySVG = d3.select('#sankey').append('svg')
.attr({
width: width,
height: sankeyH
});
//append g to sankeySVG
var sankeyG = sankeySVG.append('g')
.attr({
class: 'sankeyG'
});
/**************** Sankey setup ****************/
var sankeyGraph;
var node;
var link;
var rect;
// Set the sankey diagram properties
var sankey = d3.sankey()
.nodeWidth(10)
.nodePadding(10)
.size([width, sankeyH]);
var sankeyPath = sankey.link();
//queue data
queue()
.defer(d3.json, 'sankey.json')
.await(pushData);
//load data
function pushData(error, sankeyData) {
if (error) throw error;
//Update global variable with sankeyData
sankeyGraph = sankeyData;
//draw sankey
drawSankey();
};
/**************** Draw Sankey ****************/
//draw sankey
function drawSankey() {
sankey
.nodes(sankeyGraph.nodes)
.links(sankeyGraph.links)
.layout(32);
// add in the links
link = sankeySVG.append('g').selectAll(".link")
.data(sankeyGraph.links)
.enter().append("path")
.attr({
class: 'link',
d: sankeyPath,
id: function(d) {
return 'link' + d.source.node;
}
})
.style({
'stroke-width': 2,
'stroke-dasharray': '2,2'
})
.sort(function(a, b) { return b.dy - a.dy; });
// add in the nodes
node = sankeySVG.append('g').selectAll(".node")
.data(sankeyGraph.nodes)
.enter().append("g")
.attr({
class: 'node',
transform: function(d) {
return "translate(" + d.x + "," + d.y + ")";
}
});
//append rectangles to nodes
rect = node.append("rect")
.attr({
height: function(d) {
return d.dy;
},
width: sankey.nodeWidth(),
rx: 5,
ry: 5,
id: function(d, i) {
return 'id' + i;
}
})
.on('mouseover', function(d) {
//check if source or target of link are same as hovered node and set class active/inactive
d3.selectAll('.link').classed('active', function(p) {
return p.source === d || p.target === d;
});
d3.selectAll('.link').classed('inactive', function(p) {
return p.source !== d && p.target !== d;
});
//text variables
var nodeId = 'textId' + d.node;
var sourceLength = d.sourceLinks.length;
var targetLength = d.targetLinks.length;
//set active class on text node of hovered element
$('text#' + nodeId).addClass('active');
//loop through source and target links to set active class on text
if (sourceLength !== 0) {
for (var i = 0; i < sourceLength; i++) {
var tNodeId = 'textId' + d.sourceLinks[i].target.node;
$('text#' + tNodeId).addClass('active');
}
} else if (targetLength !== 0) {
for (var i = 0; i < targetLength; i++) {
var tNodeId = 'textId' + d.targetLinks[i].source.node;
$('text#' + tNodeId).addClass('active');
}
}
//set hovered node as class active
d3.select(this).classed('active', true);
})
.on('mouseout', function(d) {
//remove active and inactive classes
d3.selectAll('.active').classed('active', false);
d3.selectAll('.inactive').classed('inactive', false);
});
//Append text to node
node
.append("text")
.attr({
x: -20,
y: function(d) {
return d.dy / 3 * 2;
},
dy: '.01em',
'text-anchor': 'end',
id: function(d) {
return 'textId' + d.node;
}
})
.text(function(d) { return d.name; })
.filter(function(d) {
return d.x < width / 2;
})
.attr({
y: function(d) {
return d.dy / 2;
},
x: 6 + sankey.nodeWidth(),
'text-anchor': 'start'
});
}
/**************** RESIZE FUNCTION ****************/
$(window).resize(function() {
width = $vis.width();;
//check for window width to set sankeyH, width, innerR, outerR
if ($(window).width() >= 768) {
sankeyH = 600;
} else {
sankeyH = 450;
}
//update vis SVG's height and width
sankeySVG
.attr({width: width, height: sankeyH});
//update sankey width
sankey
.size([width, sankeyH]);
//reset sankey
sankey
.nodes(sankeyGraph.nodes)
.links(sankeyGraph.links)
.layout(32);
//Update node positioning
node
.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")";
});
//Update rect height
d3.selectAll('rect')
.attr("height", function(d) { return d.dy;
});
//update links
link
.attr("d", sankeyPath);
//update text positioning
d3.selectAll('text')
.attr({
y: function(d) {
return d.dy / 3 * 2;
}
});
d3.selectAll('text')
.filter(function(d) {
return d.x < width / 2;
})
.attr({
y: function(d) {
return d.dy / 2;
}
});
}); //end function resize
});
</script>
</body>
Raw
sankey.js
d3.sankey = function() {
var sankey = {},
nodeWidth = 24,
nodePadding = 8,
size = [1, 1],
nodes = [],
links = [];
sankey.nodeWidth = function(_) {
if (!arguments.length) return nodeWidth;
nodeWidth = +_;
return sankey;
};
sankey.nodePadding = function(_) {
if (!arguments.length) return nodePadding;
nodePadding = +_;
return sankey;
};
sankey.nodes = function(_) {
if (!arguments.length) return nodes;
nodes = _;
return sankey;
};
sankey.links = function(_) {
if (!arguments.length) return links;
links = _;
return sankey;
};
sankey.size = function(_) {
if (!arguments.length) return size;
size = _;
return sankey;
};
sankey.layout = function(iterations) {
computeNodeLinks();
computeNodeValues();
computeNodeBreadths();
computeNodeDepths(iterations);
computeLinkDepths();
return sankey;
};
sankey.relayout = function() {
computeLinkDepths();
return sankey;
};
sankey.link = function() {
var curvature = .5;
function link(d) {
var x0 = d.source.x + d.source.dx,
x1 = d.target.x,
xi = d3.interpolateNumber(x0, x1),
x2 = xi(curvature),
x3 = xi(1 - curvature),
y0 = d.source.y + d.sy + d.dy / 2,
y1 = d.target.y + d.ty + d.dy / 2;
return "M" + x0 + "," + y0
+ "C" + x2 + "," + y0
+ " " + x3 + "," + y1
+ " " + x1 + "," + y1;
}
link.curvature = function(_) {
if (!arguments.length) return curvature;
curvature = +_;
return link;
};
return link;
};
// Populate the sourceLinks and targetLinks for each node.
// Also, if the source and target are not objects, assume they are indices.
function computeNodeLinks() {
nodes.forEach(function(node) {
node.sourceLinks = [];
node.targetLinks = [];
});
links.forEach(function(link) {
var source = link.source,
target = link.target;
if (typeof source === "number") source = link.source = nodes[link.source];
if (typeof target === "number") target = link.target = nodes[link.target];
source.sourceLinks.push(link);
target.targetLinks.push(link);
});
}
// Compute the value (size) of each node by summing the associated links.
function computeNodeValues() {
nodes.forEach(function(node) {
node.value = Math.max(
d3.sum(node.sourceLinks, value),
d3.sum(node.targetLinks, value)
);
});
}
// Iteratively assign the breadth (x-position) for each node.
// Nodes are assigned the maximum breadth of incoming neighbors plus one;
// nodes with no incoming links are assigned breadth zero, while
// nodes with no outgoing links are assigned the maximum breadth.
function computeNodeBreadths() {
var remainingNodes = nodes,
nextNodes,
x = 0;
while (remainingNodes.length) {
nextNodes = [];
remainingNodes.forEach(function(node) {
node.x = x;
node.dx = nodeWidth;
node.sourceLinks.forEach(function(link) {
if (nextNodes.indexOf(link.target) < 0) {
nextNodes.push(link.target);
}
});
});
remainingNodes = nextNodes;
++x;
}
//
moveSinksRight(x);
scaleNodeBreadths((size[0] - nodeWidth) / (x - 1));
}
function moveSourcesRight() {
nodes.forEach(function(node) {
if (!node.targetLinks.length) {
node.x = d3.min(node.sourceLinks, function(d) { return d.target.x; }) - 1;
}
});
}
function moveSinksRight(x) {
nodes.forEach(function(node) {
if (!node.sourceLinks.length) {
node.x = x - 1;
}
});
}
function scaleNodeBreadths(kx) {
nodes.forEach(function(node) {
node.x *= kx;
});
}
function computeNodeDepths(iterations) {
var nodesByBreadth = d3.nest()
.key(function(d) { return d.x; })
.sortKeys(d3.ascending)
.entries(nodes)
.map(function(d) { return d.values; });
//
initializeNodeDepth();
resolveCollisions();
for (var alpha = 1; iterations > 0; --iterations) {
relaxRightToLeft(alpha *= .99);
resolveCollisions();
relaxLeftToRight(alpha);
resolveCollisions();
}
function initializeNodeDepth() {
var ky = d3.min(nodesByBreadth, function(nodes) {
return (size[1] - (nodes.length - 1) * nodePadding) / d3.sum(nodes, value);
});
nodesByBreadth.forEach(function(nodes) {
nodes.forEach(function(node, i) {
node.y = i;
node.dy = node.value * ky;
});
});
links.forEach(function(link) {
link.dy = link.value * ky;
});
}
function relaxLeftToRight(alpha) {
nodesByBreadth.forEach(function(nodes, breadth) {
nodes.forEach(function(node) {
if (node.targetLinks.length) {
var y = d3.sum(node.targetLinks, weightedSource) / d3.sum(node.targetLinks, value);
node.y += (y - center(node)) * alpha;
}
});
});
function weightedSource(link) {
return center(link.source) * link.value;
}
}
function relaxRightToLeft(alpha) {
nodesByBreadth.slice().reverse().forEach(function(nodes) {
nodes.forEach(function(node) {
if (node.sourceLinks.length) {
var y = d3.sum(node.sourceLinks, weightedTarget) / d3.sum(node.sourceLinks, value);
node.y += (y - center(node)) * alpha;
}
});
});
function weightedTarget(link) {
return center(link.target) * link.value;
}
}
function resolveCollisions() {
nodesByBreadth.forEach(function(nodes) {
var node,
dy,
y0 = 0,
n = nodes.length,
i;
// Push any overlapping nodes down.
nodes.sort(ascendingDepth);
for (i = 0; i < n; ++i) {
node = nodes[i];
dy = y0 - node.y;
if (dy > 0) node.y += dy;
y0 = node.y + node.dy + nodePadding;
}
// If the bottommost node goes outside the bounds, push it back up.
dy = y0 - nodePadding - size[1];
if (dy > 0) {
y0 = node.y -= dy;
// Push any overlapping nodes back up.
for (i = n - 2; i >= 0; --i) {
node = nodes[i];
dy = node.y + node.dy + nodePadding - y0;
if (dy > 0) node.y -= dy;
y0 = node.y;
}
}
});
}
function ascendingDepth(a, b) {
return a.y - b.y;
}
}
function computeLinkDepths() {
nodes.forEach(function(node) {
node.sourceLinks.sort(ascendingTargetDepth);
node.targetLinks.sort(ascendingSourceDepth);
});
nodes.forEach(function(node) {
var sy = 0, ty = 0;
node.sourceLinks.forEach(function(link) {
link.sy = sy;
sy += link.dy;
});
node.targetLinks.forEach(function(link) {
link.ty = ty;
ty += link.dy;
});
});
function ascendingSourceDepth(a, b) {
return a.source.y - b.source.y;
}
function ascendingTargetDepth(a, b) {
return a.target.y - b.target.y;
}
}
function center(node) {
return node.y + node.dy / 2;
}
function value(link) {
return link.value;
}
return sankey;
};
Raw
sankey.json
{
"nodes": [
{"node": 0, "name": "Web Development"},
{"node": 1, "name": "Geospatial"},
{"node": 2, "name": "Design"},
{"node": 3, "name": "Data Management"},
{"node": 4, "name": "AngularJS"},
{"node": 5, "name": "D3.js"},
{"node": 6, "name": "Leaflet"},
{"node": 7, "name": "CSS3"},
{"node": 8, "name": "HTML5"},
{"node": 9, "name": "Javascript"},
{"node": 10, "name": "jQuery"},
{"node": 11, "name": "PHP"},
{"node": 12, "name": "Sass"},
{"node": 13, "name": "GRASS GIS"},
{"node": 14, "name": "PCI Geomatica"},
{"node": 15, "name": "QGIS"},
{"node": 16, "name": "CartoCSS"},
{"node": 17, "name": "PostGIS"},
{"node": 18, "name": "PostgreSQL"},
{"node": 19, "name": "Adobe Illustrator"},
{"node": 20, "name": "Adobe Indesign"},
{"node": 21, "name": "OpenLayers"}
],
"links": [
{"source": 0, "target": 4, "value": 3},
{"source": 0, "target": 5, "value": 3},
{"source": 0, "target": 6, "value": 3},
{"source": 0, "target": 7, "value": 3},
{"source": 0, "target": 8, "value": 3},
{"source": 0, "target": 9, "value": 3},
{"source": 0, "target": 10, "value": 3},
{"source": 0, "target": 11, "value": 3},
{"source": 0, "target": 12, "value": 3},
{"source": 0, "target": 16, "value": 3},
{"source": 0, "target": 21, "value": 3},
{"source": 1, "target": 13, "value": 4},
{"source": 1, "target": 14, "value": 4},
{"source": 1, "target": 15, "value": 4},
{"source": 1, "target": 16, "value": 4},
{"source": 1, "target": 17, "value": 4},
{"source": 1, "target": 18, "value": 4},
{"source": 1, "target": 21, "value": 4},
{"source": 2, "target": 16, "value": 5},
{"source": 2, "target": 19, "value": 5},
{"source": 2, "target": 20, "value": 5},
{"source": 3, "target": 21, "value": 5},
{"source": 3, "target": 17, "value": 6},
{"source": 3, "target": 18, "value": 6}
]
}
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