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Bubble Chart
Raw
.block
license: gpl-3.0
height: 960
border: no
redirect: https://observablehq.com/@d3/bubble-chart
Raw
README.md

Bubble charts encode data in the area of circles. Although less perceptually-accurate than bar charts, they can pack hundreds of values into a small space. Implementation based on work by Jeff Heer. Data shows the Flare class hierarchy, also courtesy Jeff Heer.

Raw
flare.csv
id value
flare
flare.analytics
flare.analytics.cluster
flare.analytics.cluster.AgglomerativeCluster 3938
flare.analytics.cluster.CommunityStructure 3812
flare.analytics.cluster.HierarchicalCluster 6714
flare.analytics.cluster.MergeEdge 743
flare.analytics.graph
flare.analytics.graph.BetweennessCentrality 3534
flare.analytics.graph.LinkDistance 5731
flare.analytics.graph.MaxFlowMinCut 7840
flare.analytics.graph.ShortestPaths 5914
flare.analytics.graph.SpanningTree 3416
flare.analytics.optimization
flare.analytics.optimization.AspectRatioBanker 7074
flare.animate
flare.animate.Easing 17010
flare.animate.FunctionSequence 5842
flare.animate.interpolate
flare.animate.interpolate.ArrayInterpolator 1983
flare.animate.interpolate.ColorInterpolator 2047
flare.animate.interpolate.DateInterpolator 1375
flare.animate.interpolate.Interpolator 8746
flare.animate.interpolate.MatrixInterpolator 2202
flare.animate.interpolate.NumberInterpolator 1382
flare.animate.interpolate.ObjectInterpolator 1629
flare.animate.interpolate.PointInterpolator 1675
flare.animate.interpolate.RectangleInterpolator 2042
flare.animate.ISchedulable 1041
flare.animate.Parallel 5176
flare.animate.Pause 449
flare.animate.Scheduler 5593
flare.animate.Sequence 5534
flare.animate.Transition 9201
flare.animate.Transitioner 19975
flare.animate.TransitionEvent 1116
flare.animate.Tween 6006
flare.data
flare.data.converters
flare.data.converters.Converters 721
flare.data.converters.DelimitedTextConverter 4294
flare.data.converters.GraphMLConverter 9800
flare.data.converters.IDataConverter 1314
flare.data.converters.JSONConverter 2220
flare.data.DataField 1759
flare.data.DataSchema 2165
flare.data.DataSet 586
flare.data.DataSource 3331
flare.data.DataTable 772
flare.data.DataUtil 3322
flare.display
flare.display.DirtySprite 8833
flare.display.LineSprite 1732
flare.display.RectSprite 3623
flare.display.TextSprite 10066
flare.flex
flare.flex.FlareVis 4116
flare.physics
flare.physics.DragForce 1082
flare.physics.GravityForce 1336
flare.physics.IForce 319
flare.physics.NBodyForce 10498
flare.physics.Particle 2822
flare.physics.Simulation 9983
flare.physics.Spring 2213
flare.physics.SpringForce 1681
flare.query
flare.query.AggregateExpression 1616
flare.query.And 1027
flare.query.Arithmetic 3891
flare.query.Average 891
flare.query.BinaryExpression 2893
flare.query.Comparison 5103
flare.query.CompositeExpression 3677
flare.query.Count 781
flare.query.DateUtil 4141
flare.query.Distinct 933
flare.query.Expression 5130
flare.query.ExpressionIterator 3617
flare.query.Fn 3240
flare.query.If 2732
flare.query.IsA 2039
flare.query.Literal 1214
flare.query.Match 3748
flare.query.Maximum 843
flare.query.methods
flare.query.methods.add 593
flare.query.methods.and 330
flare.query.methods.average 287
flare.query.methods.count 277
flare.query.methods.distinct 292
flare.query.methods.div 595
flare.query.methods.eq 594
flare.query.methods.fn 460
flare.query.methods.gt 603
flare.query.methods.gte 625
flare.query.methods.iff 748
flare.query.methods.isa 461
flare.query.methods.lt 597
flare.query.methods.lte 619
flare.query.methods.max 283
flare.query.methods.min 283
flare.query.methods.mod 591
flare.query.methods.mul 603
flare.query.methods.neq 599
flare.query.methods.not 386
flare.query.methods.or 323
flare.query.methods.orderby 307
flare.query.methods.range 772
flare.query.methods.select 296
flare.query.methods.stddev 363
flare.query.methods.sub 600
flare.query.methods.sum 280
flare.query.methods.update 307
flare.query.methods.variance 335
flare.query.methods.where 299
flare.query.methods.xor 354
flare.query.methods._ 264
flare.query.Minimum 843
flare.query.Not 1554
flare.query.Or 970
flare.query.Query 13896
flare.query.Range 1594
flare.query.StringUtil 4130
flare.query.Sum 791
flare.query.Variable 1124
flare.query.Variance 1876
flare.query.Xor 1101
flare.scale
flare.scale.IScaleMap 2105
flare.scale.LinearScale 1316
flare.scale.LogScale 3151
flare.scale.OrdinalScale 3770
flare.scale.QuantileScale 2435
flare.scale.QuantitativeScale 4839
flare.scale.RootScale 1756
flare.scale.Scale 4268
flare.scale.ScaleType 1821
flare.scale.TimeScale 5833
flare.util
flare.util.Arrays 8258
flare.util.Colors 10001
flare.util.Dates 8217
flare.util.Displays 12555
flare.util.Filter 2324
flare.util.Geometry 10993
flare.util.heap
flare.util.heap.FibonacciHeap 9354
flare.util.heap.HeapNode 1233
flare.util.IEvaluable 335
flare.util.IPredicate 383
flare.util.IValueProxy 874
flare.util.math
flare.util.math.DenseMatrix 3165
flare.util.math.IMatrix 2815
flare.util.math.SparseMatrix 3366
flare.util.Maths 17705
flare.util.Orientation 1486
flare.util.palette
flare.util.palette.ColorPalette 6367
flare.util.palette.Palette 1229
flare.util.palette.ShapePalette 2059
flare.util.palette.SizePalette 2291
flare.util.Property 5559
flare.util.Shapes 19118
flare.util.Sort 6887
flare.util.Stats 6557
flare.util.Strings 22026
flare.vis
flare.vis.axis
flare.vis.axis.Axes 1302
flare.vis.axis.Axis 24593
flare.vis.axis.AxisGridLine 652
flare.vis.axis.AxisLabel 636
flare.vis.axis.CartesianAxes 6703
flare.vis.controls
flare.vis.controls.AnchorControl 2138
flare.vis.controls.ClickControl 3824
flare.vis.controls.Control 1353
flare.vis.controls.ControlList 4665
flare.vis.controls.DragControl 2649
flare.vis.controls.ExpandControl 2832
flare.vis.controls.HoverControl 4896
flare.vis.controls.IControl 763
flare.vis.controls.PanZoomControl 5222
flare.vis.controls.SelectionControl 7862
flare.vis.controls.TooltipControl 8435
flare.vis.data
flare.vis.data.Data 20544
flare.vis.data.DataList 19788
flare.vis.data.DataSprite 10349
flare.vis.data.EdgeSprite 3301
flare.vis.data.NodeSprite 19382
flare.vis.data.render
flare.vis.data.render.ArrowType 698
flare.vis.data.render.EdgeRenderer 5569
flare.vis.data.render.IRenderer 353
flare.vis.data.render.ShapeRenderer 2247
flare.vis.data.ScaleBinding 11275
flare.vis.data.Tree 7147
flare.vis.data.TreeBuilder 9930
flare.vis.events
flare.vis.events.DataEvent 2313
flare.vis.events.SelectionEvent 1880
flare.vis.events.TooltipEvent 1701
flare.vis.events.VisualizationEvent 1117
flare.vis.legend
flare.vis.legend.Legend 20859
flare.vis.legend.LegendItem 4614
flare.vis.legend.LegendRange 10530
flare.vis.operator
flare.vis.operator.distortion
flare.vis.operator.distortion.BifocalDistortion 4461
flare.vis.operator.distortion.Distortion 6314
flare.vis.operator.distortion.FisheyeDistortion 3444
flare.vis.operator.encoder
flare.vis.operator.encoder.ColorEncoder 3179
flare.vis.operator.encoder.Encoder 4060
flare.vis.operator.encoder.PropertyEncoder 4138
flare.vis.operator.encoder.ShapeEncoder 1690
flare.vis.operator.encoder.SizeEncoder 1830
flare.vis.operator.filter
flare.vis.operator.filter.FisheyeTreeFilter 5219
flare.vis.operator.filter.GraphDistanceFilter 3165
flare.vis.operator.filter.VisibilityFilter 3509
flare.vis.operator.IOperator 1286
flare.vis.operator.label
flare.vis.operator.label.Labeler 9956
flare.vis.operator.label.RadialLabeler 3899
flare.vis.operator.label.StackedAreaLabeler 3202
flare.vis.operator.layout
flare.vis.operator.layout.AxisLayout 6725
flare.vis.operator.layout.BundledEdgeRouter 3727
flare.vis.operator.layout.CircleLayout 9317
flare.vis.operator.layout.CirclePackingLayout 12003
flare.vis.operator.layout.DendrogramLayout 4853
flare.vis.operator.layout.ForceDirectedLayout 8411
flare.vis.operator.layout.IcicleTreeLayout 4864
flare.vis.operator.layout.IndentedTreeLayout 3174
flare.vis.operator.layout.Layout 7881
flare.vis.operator.layout.NodeLinkTreeLayout 12870
flare.vis.operator.layout.PieLayout 2728
flare.vis.operator.layout.RadialTreeLayout 12348
flare.vis.operator.layout.RandomLayout 870
flare.vis.operator.layout.StackedAreaLayout 9121
flare.vis.operator.layout.TreeMapLayout 9191
flare.vis.operator.Operator 2490
flare.vis.operator.OperatorList 5248
flare.vis.operator.OperatorSequence 4190
flare.vis.operator.OperatorSwitch 2581
flare.vis.operator.SortOperator 2023
flare.vis.Visualization 16540
Raw
index.html
<!DOCTYPE html>
<svg width="960" height="960" font-family="sans-serif" font-size="10" text-anchor="middle"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
var format = d3.format(",d");
var color = d3.scaleOrdinal(d3.schemeCategory20c);
var pack = d3.pack()
.size([width, height])
.padding(1.5);
d3.csv("flare.csv", function(d) {
d.value = +d.value;
if (d.value) return d;
}, function(error, classes) {
if (error) throw error;
var root = d3.hierarchy({children: classes})
.sum(function(d) { return d.value; })
.each(function(d) {
if (id = d.data.id) {
var id, i = id.lastIndexOf(".");
d.id = id;
d.package = id.slice(0, i);
d.class = id.slice(i + 1);
}
});
var node = svg.selectAll(".node")
.data(pack(root).leaves())
.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
node.append("circle")
.attr("id", function(d) { return d.id; })
.attr("r", function(d) { return d.r; })
.style("fill", function(d) { return color(d.package); });
node.append("clipPath")
.attr("id", function(d) { return "clip-" + d.id; })
.append("use")
.attr("xlink:href", function(d) { return "#" + d.id; });
node.append("text")
.attr("clip-path", function(d) { return "url(#clip-" + d.id + ")"; })
.selectAll("tspan")
.data(function(d) { return d.class.split(/(?=[A-Z][^A-Z])/g); })
.enter().append("tspan")
.attr("x", 0)
.attr("y", function(d, i, nodes) { return 13 + (i - nodes.length / 2 - 0.5) * 10; })
.text(function(d) { return d; });
node.append("title")
.text(function(d) { return d.id + "\n" + format(d.value); });
});
</script>
@mmattozzi
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I've created an example of the Bubble Chart that uses a transparent, floating div to expose the label of the bubble rather than the default browser tooltip (which I disabled using pointer-events=none). I think this makes for a more immediate and smoother experience. Enjoy!

Example here: http://bl.ocks.org/mmattozzi/7018021

@TanushaGS
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I have tried this code.. but bubble chart is not being displayed with d3.js,index.html and flare.json files.Is anything else required for displaying the bubble chart in my browser??Please suggest.....

@sakshak
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sakshak commented May 15, 2016

function classes(root) {
var classes = [];
function recurse(name, node) {
if (node.children) node.children.forEach(function(child) { recurse(node.name, child); });
else classes.push({packageName: name, className: node.name, value: node.size});
}
recurse(null, root);
return {children: classes};
}
d3.select(self.frameElement).style("height", diameter + "px");

I didn't understand this piece of code since I am a novice web developer. can someone please explain me.

appreciate your help

@jiankuang
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question: Because Pack Layout is a Hierarchy Layout. I am trying to make this plot not flat. I commented out classes function, but it turned out d.x and d.y are NaN. Why was what ?
screen shot 2016-05-28 at 8 22 06 pm

@alundiak
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alundiak commented Feb 26, 2017 •
edited
Loading

@mbostock FYI:
If my d.class is number 320 or string "320" this example fails in place:

screen shot 2017-02-26 at 03 22 15

I would suggest such change:

.data(function(d) {
     return isNaN(d.class) ? d.class.split(/(?=[A-Z][^A-Z])/g) : '';
})

Note 1: Maybe in other places of example, such issues might be also. Did not yet spotted.
Note 2: That fix I suggest is not ideal, because if d.class is undefined or null, then isNaN() will give true.
Ideally it should be like in underscore !_.isEmpty(d.class).

@kvtoraman
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Thank you for your work!
In line 27, Why we have an assignment here if (id = d.data.id) { ? Shouldn't it be a comparison == ?
(https://gist.github.com/mbostock/4063269#file-index-html-L27)

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