Contents
Foreword: Wandering multiplicity. xi
Preface: I'm not writing another book; I'm done xii
Prologue: Speaking to different truths xiv
Chapter 1: Preparation 1
From geography to map: Selecting a projection that works 2
Building your map: Laying strong foundations
The lines are drawn Boundaries always shape the map 4
Colouring the map: Designing colour schemes with purpose 8
Reference information: Adding detail that helps people interpret the map 10
Static or dynamic: Going beyond the printed page 12
Chapter 2: Area maps 15
Red and blue states: The bottom-line result as unique values
Red and blue counties: Unique values at a finer level of detail
Shades of truth: Share of the vote as a choropleth 20
Seeing things differently: Processing and classifying the data 22
Side by side: Two choropleths to tell two sides of the story 24
Two maps in one: Choropleth with a diverging colour scheme 26
Red and blue makes purple: Choropleth with a blended-hue colour scheme 28
De-emphasising land mass: Value-by-alpha choropleth 30
Using visual effects for emphasis: Choropleth with hill shading 32
Emphasising place, not space: Dissymmetric reallocation to new areas 34
Flipped counties: Selective choropleth of key places 36
Continuously varying results: Interpolated surfaces 38
Looking for relationships: Bivariate choropleth of two variables 40
All the colours: Fusing three variables into a triradiate choropleth 42
Don't lose your stripes: Vertical bar fills 44
What is a vote worth?: Electoral College votes per capita choropleth
One map is not enough: Small multiples over time
A landslide for apathy: Non-voters as unique
Chapter 3: Point maps 53
Size matters: Geometric shapes graduated in size 54
The winner's circle: Proportional symbols emphasise the data range 56
Squaring the circle: Proportional symbol map using squares 58
Painting the town red: Proportional symbol map using abstract symbols 60
Donkeys and elephants: Logos as proportional symbols 62
Hemispheres: Multivariate proportional symbols 64
Purple haze: Mixing red and blue dots 66
One dot per vote: Maximum detail with dasymetric dot density 68
Putting people on the map: Minimum detail with isotype symbology 70
Making the point: A hybrid proportional symbol dot density approach 72
When is an area a point? Combining a choropleth with coloured dots 74
Crop circles Equal area binned, gridded symbols 76
Map box of doughnuts: Equal area binned, gridded symbols with a hole 78
Bipartisan patterns: Purple gridded squares 80
Let the data speak for itself: Proportionally sized labels as literal symbols 82
A map stack: Stacking one map on top of another 84
Chapter 4: Line maps 87
Data as a fluid surface: Humble contour88
Colouring between the lines: Isopleth (filled contours) 90
Throwing shade: Illuminated contours 92
Over the garden fence: Alpha-blended boundary lines 94
Gauging the situation: Directional symbology 96
Winds of change: Trends over time using directional arrows 98
Path to victory: Flow map from candidacy to the finish line 100
Road to nowhere: Strip map for a political trip across America 102
Stars and stripes: Exposing cross-sections across the map 104
Chapter 5: Cartograms 107
Exploding the map: Non-contiguous cartogram 108
Out of shape: Population density-equalising cartogram 110
Tessellated geographies: Gridded cartogram by hexagon 112
The honeycomb: Non-contiguous gridded cartogram 114
Round like a circle: Dorling cartogram 116
It's hip to be square: Demers cartogram 118
The ballot box: Pseudo-3D hexagonal mosaic cartogram 120
Two colour counters: Compromise cartogram 122
Every vote's on the map: Darling cartogram with embedded charts 124
Chapter 6: Graphs, charts, and plots 127
Let the numbers tell the story- Tabulation 128
128 Off the charts Sometimes, the best map is no map 130
130 Repeatable pictures: Isotype-styled unit chart 132
The river: Line graph as a path to victory 134
Creating order from chaos Tree map 136
Creating a new order: Spatially ordered tree map 138
Make some noise: Violin and beeswarm plots 140
Start the party infographics 142
Trump's tower: Building an Electoral College histogram 144
Plotting the x, y, and z: Space-time cubes 146
Chapter 7: Chart maps 149
Counting votes: Waffle grid on a geographical base 150
Double dessert: Pie charts on a waffle grid 152
Square pegs in square holes: Unique values waffle grid 154
Pulse: Small multiples line graphs 156
No. l at the end of the bar: small multiples stacked bar charts 158
Ebb and flow: small multiples Sankey diagrams 160
Ticking away the moments: small multiples radar charts 162
American pie: small multiples polar area charts 164
Just for the record: small multiples tree-ring charts 166
Common people: Trump and Clinton as Chernoff faces 168
Faces of America: Chernoff face Dorling cartogram 170
Just the basic facts: Minimalist sparklines 172
Dialing it in: Dials as a Dorling cartogram 174
Chapter 8: 3D maps 177
Round and round: Extruded prisms on a digital globe 178
Reach for the sky: Extruded prisms on a flat surface 180
Proper perspective: Extruded prisms in an axonometric view 182
Peaks and valleys: Extruded filled contours 184
View from the hill: 3D block diagram with a draped surface 186
Us and them: Triangulated irregular networks 188
Fake 3D: Chroma stereoscopic colour encoding 190
From the ground up: Illuminated 3D columns 192
Raising the stakes: Stacked chips 194
Power to the people: Dasymetrically distributed 3D people 196
Q*Map: Extruded waffle grid 198
Electoral causeway: Stratified areal space-time cube 200
Can't see the forest for the trees: Data spikes 202
It's a sign! 3D gridded chart map 204
Chapter 9: Curiosities 207
Winner takes all: Single fill for the win 208
A textured finish: Pattern fills 210
Islands in a storm: Imagined landscape 212
Pop art carte: Halftone symbology 214
Mountains and molehills: Multivariate symbol landscape 216
Politics will tear us apart: Joy plot 218
Old skool pen plot Horizontal proportional lines 220
Ishihara election test: Dot density Dorling cartogram 222
Presidential puzzle: Abstract tessellated cartogram 224
Go ahead, make my day: Steampunk'd gridded cartogram 226
The force is strong in this one: Value-by-alpha dasymetrically equalised repetition 228
A picture is worth 2,638 counties: Modified pictorial map
Epilogue: The making of a viral map 233
Prior carte: Old is new again 245
Credits 273