Brendan Harmon

The Visual Display of Quantitative Information

Edward Tufte

“Graphical excellence gives the viewer the greatest number of ideas in the shortest time with the least ink in the smallest space…. And graphical excellence requires telling the truth about the data.”

Principles of Data Visualization

  • Complexity
  • Clarity
  • Precision
  • Efficiency

But what about expression?

Types of Maps

  • Dot
  • Choropleth
  • Chorological
  • Bin
  • Cartogram
  • Flow
  • Topological
  • Topographic
  • Mental
  • Tree
  • Phenomenological
  • etc…

Dot Maps

Racial Dot Map 2020

ESRI Demographics Team

Atlas of Inequality

MIT Media Lab, Human Dynamics Group

Cluster Maps

Police Brutality at Black Lives Matter Protests

Forensic Architecture

Choropleth Maps

Google Trend Maps

Try making your own at

2012 US Election Results

Kieran Healy

Data Visualization: A Practical Introduction

New Politics of Care

Columbia Center for Spatial Research

Chorological Maps

European Atlas of Forest Tree Species

European Commission


Atlas for the New Green Deal

McHarg Center, University of Pennsylvania

Rising Temperatures

Sea Level Rise

Crop Damages

Economic Damages

Job Losses

Wind Power Potential


Simulated Dendrochronology of U.S. Immigration

Pedro Cruz, John Wihbey, Avni Ghael, and Felipe Shibuya

Process of simulating tree rings for immigration in the U.S.

World Mapper

Flow Maps

The Minard System

Charles Joseph Minard

Global Refugee Atlas

Humanistic GIS Laboratory

University of Washington

Megaregions of the US

Garrett Dash Nelson & Alasdair Rae

An Economic Geography of the United States: From Commutes to Megaregions

Topological Maps

London Tube Map

Transport for London

First designed by Harry Beck, 1931


Benedikt Groß

Topographical Maps

A Journey Through Time


Thematic Maps

Atlas for the End of the World

Richard Weller, Claire Hoch, & Chieh Huang

Department of Landscape Architecture, University of Pennsylvania

Tree Map

Atlas of Economic Complexity

Harvard Growth Lab

Mental Maps


Guy Debord and Asger Jorn, 1959

Situationist International

An Ocean of Books

Gael Hugo


Phenomenological Maps

Sensory Maps

Kate Mclean

Nose-first: practices of smellwalking and smellscape mapping

Generative Art


Robert Thodgin

Land Lines

Zach Lieberman & Google Data Arts Team


How to Make Maps

  • Virtual Globes
  • Geographic Information Systems
  • Geospatial Programming
  • Web Mapping

Virtual Globes

Geographic Information Systems

Web Mapping