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Entity Cubism.js
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<title>Entity Cubism.js</title> | |
<style> | |
body { | |
font-family: Helvetica, sans-serif; | |
} | |
#body { | |
position: relative; | |
} | |
svg { | |
font: 10px sans-serif; | |
} | |
.axis path, .axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.axis { | |
font: 10px sans-serif; | |
} | |
.axis text { | |
-webkit-transition: fill-opacity 250ms linear; | |
} | |
.axis path { | |
display: none; | |
} | |
.axis line { | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.horizon { | |
border-bottom: solid 1px #000; | |
overflow: hidden; | |
position: relative; | |
} | |
.horizon { | |
border-top: solid 1px #000; | |
border-bottom: solid 1px #000; | |
} | |
.horizon + .horizon { | |
border-top: none; | |
} | |
.horizon canvas { | |
display: block; | |
} | |
.horizon .title, | |
.horizon .value { | |
bottom: 0; | |
line-height: 30px; | |
margin: 0 6px; | |
position: absolute; | |
text-shadow: 0 1px 0 rgba(255,255,255,.5); | |
white-space: nowrap; | |
} | |
.horizon .title { | |
left: 0; | |
} | |
.horizon .value { | |
right: 0; | |
} | |
.line { | |
background: #000; | |
opacity: .2; | |
z-index: 2; | |
} | |
#entities { min-height: 155px; width: 720px; } | |
</style> | |
<div id="body"> | |
<div id="entities"> | |
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
<script src="http://square.github.io/cubism/cubism.v1.js"></script> | |
<script> | |
var context = cubism.context() | |
.serverDelay(0) | |
.clientDelay(0) | |
.step(1e3) | |
.size(720); | |
d3.select("#entities").call(function(div) { | |
div.append("div") | |
.attr("class", "axis") | |
.call(context.axis().orient("top")); | |
div.append("div") | |
.attr("class", "rule") | |
.call(context.rule()); | |
}); | |
// On mousemove, reposition the chart values to match the rule. | |
context.on("focus", function(i) { | |
d3.selectAll(".value").style("right", i == null ? null : context.size() - i + "px"); | |
}); | |
</script> | |
<script> | |
function entity(name) { | |
var totals = [], | |
values = [], | |
i = 0, | |
value = 0, | |
first, last; | |
return context.metric(function(start, stop, step, callback) { | |
start = +start, stop = +stop; | |
if (isNaN(last)) last = start; | |
while (last < stop) { | |
last += step; | |
value = entities[name]; | |
totals.push(value); | |
} | |
if (isNaN(first)) first = totals.length; | |
values = totals.map(function(d, i) { | |
var last60 = totals.slice(Math.max(first, i-60), i); | |
return (d-last60[0])*60/last60.length; | |
}); | |
values = values.slice(1).slice((start - stop) / step); | |
// values = values.map(function(d, i) { return i ? (values[i-1] + d)/2 : d }); | |
callback(null, values); | |
}, name); | |
} | |
var entities = {}; | |
var entityMetrics = {}; | |
function updateEntities(newEntities) { | |
var different = false; | |
for(newEntity in newEntities) | |
if(!(newEntity in entities)) different = true; | |
entities = newEntities; | |
if(different) d3.select("#entities").call(function(div) { | |
for(newEntity in newEntities) | |
if (!(newEntity in entityMetrics)) | |
entityMetrics[newEntity] = entity(newEntity); | |
var newEntityMetrics = []; | |
for(entityMetric in entityMetrics) | |
newEntityMetrics.push(entityMetrics[entityMetric]); | |
div.selectAll(".horizon") | |
.data(newEntityMetrics) | |
.enter().append("div") | |
.attr("class", "horizon") | |
.call(context.horizon().extent([0, 100])); | |
}); | |
} | |
</script> | |
<script> | |
// Fake a bit of dynamic data. | |
updateEntities({ | |
"Vladimir Putin": 20, | |
"Ukraine": 14, | |
"Hypocrisy": 9, | |
"Inhalant abuse": 5, | |
"Barack Obama": 4 | |
}); | |
setInterval(function() { | |
newEntities = {} | |
newEntities["Vladimir Putin"] = entities["Vladimir Putin"] + Math.floor(Math.random()*3.1); | |
newEntities["Ukraine"] = entities["Ukraine"] + Math.floor(Math.random()*2.6); | |
newEntities["Hypocrisy"] = entities["Hypocrisy"] + Math.floor(Math.random()*2.2); | |
newEntities["Inhalant abuse"] = entities["Inhalant abuse"] + Math.floor(Math.random()*1.8); | |
if(entities["Barack Obama"] > 7) newEntities["Mark Rutte"] = 5; | |
else if("Mark Rutte" in entities) | |
newEntities["Mark Rutte"] = entities["Mark Rutte"] + Math.floor(Math.random()*1.3); | |
else | |
newEntities["Barack Obama"] = entities["Barack Obama"] + Math.floor(Math.random()*1.3); | |
updateEntities(newEntities); | |
}, 1000) | |
</script> |
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