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kottke.org posts about maps

The Partisan States of America

posted by Jason Kottke   Mar 07, 2019

The Atlantic recently teamed up with polling and analytics company PredictWise to build a county-by-county map of political open-mindedness in America.

US Map of Political Prejudice

In general, the most politically intolerant Americans, according to the analysis, tend to be whiter, more highly educated, older, more urban, and more partisan themselves. This finding aligns in some ways with previous research by the University of Pennsylvania professor Diana Mutz, who has found that white, highly educated people are relatively isolated from political diversity. They don’t routinely talk with people who disagree with them; this isolation makes it easier for them to caricature their ideological opponents. (In fact, people who went to graduate school have the least amount of political disagreement in their lives, as Mutz describes in her book Hearing the Other Side.) By contrast, many nonwhite Americans routinely encounter political disagreement. They have more diverse social networks, politically speaking, and therefore tend to have more complicated views of the other side, whatever side that may be.

We see this dynamic in the heat map. In some parts of the country, including swaths of North Carolina and upstate New York, people still seem to give their fellow Americans the benefit of the doubt, even when they disagree. In other places, including much of Massachusetts and Florida, people appear to have far less tolerance for political difference. They may be quicker to assume the worst about their political counterparts, on average.

If you click through to the article, the interactive map will let you see how prejudiced your county is. There are also maps for Republican on Democratic prejudice and Democratic on Republican prejudice.

This map is a little bit bonkers…I can’t wrap my head around some of the results. Why are Florida and South Carolina so polarized while the states surrounding them are not? And look at New York…aside from NYC, there’s relatively little polarization right up against a very polarized New England and Pennsylvania. Utah sticks out among western states but you can probably chalk that up to Mormonism. Is this a methodology problem or is it due to something fundamentally different about the states and/or their governments?

The Heart of the Grand Canyon Map

posted by Jason Kottke   Mar 01, 2019

Over a period of 8 years, explorer and photographer Bradford Washburn worked with a small team and National Geographic to produce a map called The Heart of the Grand Canyon. Published in 1978, it is “still considered by many to be the most beautiful map of the area ever created”.

Natgeo Grand Canyon Map

Here’s a closeup view of part of the map, which shows just how much detail is there:

Natgeo Grand Canyon Map

Often Washburn was dropped off on top of a pinnacle or small butte along with surveying equipment, such as a state-of-the-art laser range-finder device still under development, on loan from the company that made it. Using a built-in telescope, Washburn would aim the helium-neon laser at a reflecting prism positioned on another point miles away. The laser beam would be reflected back to the range finder, which measured how long the beam’s round-trip took and translated that into distances that were accurate to within 6/100 of an inch per mile. Washburn used a 40-pound surveying instrument called a theodolite to measure the angles between each of the control points, providing him with the relative position and height of each set of points.

After a few weeks in the canyon, Washburn was convinced of the potential for “a map of really superlative beauty as well as topographic quality.” Knowing exactly where to find the expertise, and the funds, needed to realize that potential, he asked the National Geographic Society to join the project.

The surveying took years and then came the data analysis & production phases…it took over 1000 hours just to paint the relief shading onto the map. If you want to compare Washburn’s map to earlier efforts, check out this post at Codex 99. This 1903 USGS map was the best map into the 1960s:

Natgeo Grand Canyon Map

Even in the age of crisp satellite views in Google Maps, The Heart of the Grand Canyon is a beautiful and useful map. You can purchase a copy of the 1978 map (and a refreshed 1999 version) from the National Geographic store.

Mapping the Odyssey Isn’t Easy

posted by Tim Carmody   Mar 01, 2019

Odyssey - Abraham Ortelius.png

We’ve looked before at maps of Odysseus’s travels in The Odyssey (as Jason wrote in 2018, “that dude was LOST”). But it turns out — and maybe this shouldn’t be surprising — that it’s not easy to figure out exactly where Odysseus was in the Mediterranean Sea for all that time.

Scholars have pored over the text for clues for centuries, argued about their findings, and tried to interpret ambiguous language. We don’t even know for certain where Odysseus’s home island of Ithaca was.

Ithaca is one of a group of four islands, with smaller islands nearby, but it faces west while the others face east. (What does it mean for an island to face a direction?) It has forests and at least one mountain, and it is a good place for raising children. That isn’t much to go on.

Then there’s the whole question of what we gain from mapping The Odyssey in detail anyways. Some of it is plugging a gap in our imagination; we’ve gotten used to fantasy worlds supplying us with maps, and The Odyssey is a fantasy world that coexists with our own. But the level of detail is obsessive.

Attempts to map the Odyssey seem different from other attempts to locate the sites of famous myths and legends. Atlantis was the site of a wondrous civilization, Troy the landscape for an epic battle; finding them in the real world would mean discovering rich sources of evidence about past cultures. El Dorado’s location seems to have been coveted mainly for the lost city’s purported riches, Bimini for its rumored fountain of youth. But what do we gain by knowing where Helios kept his cows? Or which rocky, uninhabitable cave a kidnapping nymph called home?

Nevertheless, there’s a long history of scholars, artists, kings, and more attempting to write themselves into the myth of The Odyssey. The Aeneid, which simultaneously reimagines the founding of Rome as part of the story of the Iliad and Odyssey and elevates Virgil’s Latin poetry to the epic heights of Homer, is the most famous attempt to shore up a claim to legitimacy by appealing to the reality of the Odyssey’s ancient past.

But where exactly was Odysseus? Was he mostly in the Aegean and Italy, as Abraham Ortelius believed in 1597? Or was he scattered into the western Mediterranean, Spain, Corsica, North Africa, as Peter Struck thinks? We’ll probably never know. That dude was LOST.

A Detailed Map of Medieval Trade Routes in Europe, Asia, and Africa

posted by Jason Kottke   Feb 19, 2019

Medieval Trade Map

Medieval Trade Map

Grad student Martin Jan Månsson has created this incredibly detailed map of trade route networks in Europe, Asia, and Africa in the 11th and 12th centuries.

Even before modern times the Afro-Eurasian world was already well connected. This map depicts the main trading arteries of the high middle ages, just after the decline of the Vikings and before the rise of the Mongols, the Hansa and well before the Portuguese rounded the Cape of Good Hope.

The map also depicts the general topography, rivers, mountain passes and named routes. All of which contributed to why cities came to be, and still are, up until modern times.

The high middle ages were a time when the stars aligned in terms of commerce for many areas of the world. In central Europe many German and French cities initiated annual trade fairs, some of which are still active today — most notably in Frankfurt. The Europeans have redeveloped a demand for eastern goods as a result of the crusades in Iberia and the Levant. The Italian city states and some north eastern Iberian cities had shipped the crusaders back and forth in the Mediterranean sea, building up huge fleets and setting up networks of trade all around the Mediterranean shores. The Italians frequented ports such as Alexandria, which had separate trading ports for muslim and christian ships.

You can play with a zoomable version here.

The saying is that “all roads lead to Rome” but as this map shows, that assertion belongs to an earlier era. In the 12th century, it was more accurate to say that all roads lead to Constantinople or Cairo or Baghdad or Hanzhong…or perhaps even “all roads lead to everywhere”. It’s not quite globalization, but many of the world’s peoples were well on their way to connecting with everyone else.

P.S. I have heard many good things about Peter Frankopan’s The Silk Roads. It’s been sitting on my (virtual) bedside table for several months now…I think I might make it my next read. Has anyone read it?

The Hoover Dam’s “Hidden” 26,000-Year Astronomical Monument

posted by Jason Kottke   Feb 13, 2019

There’s a little-known monument located at the site of the Hoover Dam that shows the progression of “North Stars” as the Earth moves through its 25,772-year change of rotational axis. Alexander Rose of the Long Now Foundation couldn’t find much public documentation related to this celestial map, so he did some research.

I now had some historical text and photos, but I was still missing a complete diagram of the plaza that would allow me to really understand it. I contacted the historian again, and she obtained permission from her superiors to release the actual building plans. I suspect that they generally don’t like to release technical plans of the dam for security reasons, but it seems they deemed my request a low security risk as the monument is not part of the structure of the dam. The historian sent me a tube full of large blueprints and a CD of the same prints already scanned. With this in hand I was finally able to re-construct the technical intent of the plaza and how it works.

In order to understand how the plaza marks the date of the dam’s construction in the nearly 26,000-year cycle of the earth’s precession, it is worth explaining what exactly axial precession is. In the simplest terms, it is the earth “wobbling” on its tilted axis like a gyroscope — but very, very slowly. This wobbling effectively moves what we see as the center point that stars appear to revolve around each evening.

Presently, this center point lies very close to the conveniently bright star Polaris. The reason we have historically paid so much attention to this celestial center, or North Star, is because it is the star that stays put all through the course of the night. Having this one fixed point in the sky is the foundation of all celestial navigation.

Here are some explanatory notes that Rose wrote over the blueprints of the monument showing how to read the map:

Hoover Celestial Map

Historic Topographic Maps Pushed Into 3D

posted by Jason Kottke   Jan 16, 2019

Designer Scott Reinhard takes old geological survey maps and combines them with elevation data to produce these wonderful hybrid topographic maps. From top to bottom, here are Reinhard’s 3D versions of a 1878 USGS Yellowstone map, a 1904 USGS map of Acadia National Park, and a 1899 USGS map of the Grand Tetons.

Scott Reinhard

Scott Reinhard

Scott Reinhard

What really sells it is the shadows cast by the topological part of the map onto the borders; it’s particularly evident in the Teton and Acadia maps. I’d love to see an animated version of the mountains pushing up from the flatness of the map. (via the morning news and several emailers)

Update: FYI, if you want to buy prints of some of these maps, Reinhard has set up a shop selling prints.

A Year in Weather

posted by Jason Kottke   Jan 11, 2019

This is mesmerizing to watch for a few minutes: a time lapse map of weather activity across the entire US in 2018. I was thinking it would be instructive to see this sped up a bit more, that perhaps different patterns might reveal themselves, and then I remembered that you can control the playback speed on YouTube videos…just click the gear icon. I think I like the 2X version better. (via @DesignObserver)

The Inverted Grand Canyon

posted by Jason Kottke   Jan 10, 2019

Inverted Grand Canyon

What would the Grand Canyon look like as a Grand Mountain, i.e. if its depth became its height? Not quite as Grand perhaps, but still pretty cool.

Some of my earliest memories of the place had to do with the trippy feeling of my eyes and mind trying to make sense of the scale. I had seen many mountain ranges and vistas, including some on the way, but the vast negative space played havoc with my perception of magnitude. I’ve felt it a few times since, but never like that first Grand Canyon overlook.

I wondered, then, if flipping the Grand Canyon into a Grand Mountain might in some way help me make sense of its scale. I’m much more accustomed to seeing the mass of something rather than the massive void of something. So, here’s what that looks like.

For reference, the depth at the deepest part of the canyon is ~6000 feet and the top of the canyon is between 6000 and 8000 feet above sea level, so the highest point of the Grand Mountains would be somewhere between 12,000 and 14,000 feet, in the ballpark of the Rocky Mountains. It would be fun to see what an inverted Kola Superdeep Borehole would look like: a 9-inch spire rising 40,000 feet into the air from a starting point very close to sea level, more that 10,000 feet higher than Everest.

If you want to dig into the details of how this visualization was made, check out this post on the ArcGIS blog. (thx, john)

Kottke.org’s Best of 2018, Parts 1 and 2

posted by Tim Carmody   Dec 21, 2018

2018 light bulb.jpg

Subscribers to Noticing, the Kottke.org newsletter, have already seen our two-part Best of 2018 series, published on Thursday the 20th and Friday the 21st. We decided to split the best-of into two parts, with the first letter, the A-Sides, focusing on the 50 most popular posts of the year, and the second, the B-Sides, collecting our personal favorites.

For the B-Sides, Jason and I each submitted lists of posts we wanted to include, and after discarding redundancies, it turned out that the number of “favorite” posts was an even 100. I’d expected to write up about fifty, which was the number of the first newsletter. But that century mark felt like a sign, and a challenge I wanted to meet. So, fuck it; we wrote up the full 100.

Here’s an excerpt from the first newsletter:

Mapping cities, the planet, the stars

A number of the year’s best posts, as always, featured maps. A literal world map stars countries with the literal translations of their names. A map of the world after four degrees of warming is sobering, if not outright depressing. (Spoiler: most of the places where lots of people live will become hostile to the point of unliveable.) A map of the world where the sizes of countries is determined by their population has a similar “whoa!” effect, making you rethink the distribution of the planet. But maybe nothing is more “whoa!” than a timeline map of the 200,000 year history of human civilization, starting with migrations out of sub-Saharan Africa and following human travel and development through to the present.



We’ve reached the point in our development where we don’t necessarily need cartography to map our surroundings; photography will do the job. Even in 1920, photographers were able to capture stunning aerial photographs like cities, like these snaps of Edinburgh. These days, you can take aerial panoramas from 20,000 feet using as something as ubiquitous as an iPhone. Or use a fractal lens to take pictures of Tokyo, bending yourself into the future from that great contemporary city.



We now know what high-resolution photos of the Earth taken from the surface of the moon look like. We know how our seemingly geometric road grids subtly correct themselves for the curvature of the Earth’s surface. And we can even photograph black holes — or rather, watch stars in orbit around black holes, using a twenty-year time lapse. (Twenty years? Huh.)

That “twenty years” bit is a callback, as Kottke.org turned 20 this year.

And here is an excerpt from the B-Sides issue, which is, let’s just say, more dense:

The Year In Inspiration





Consider the fable of the dragon-tyrant. Literally, it’s about the possibility of extending the human lifespan and human flourishing, instead of sacrificing the young and old alike to the tyranny of death. But allegorically, as Jason writes, “humanity has lots of dragons sitting on mountaintops, devouring people, waiting for a change in the world’s perspective or technology or culture to meet its doom.”



Consider, too, the calmness of airline pilots. In the midst of disaster, good pilots actually get calmer, and this helps them solve their problems.



Do you need to get yourself out of a funk? Or console or otherwise help a grieving friend? Think about what Augustine says about hope: hope stretches us out across time. It makes our hearts bigger in order to contain it. And all our secular hopes help to prepare us for the great hope to come, that all might be redeemed and made perfect, and we can find our true place in the cosmos. Think about Dean Allen, one of the kindest and most talented people in the tech universe, and whether or not he’s found the peace that eluded him — that eludes us all — on Earth.



We are, all of us, explorers and hermits, both searching for adventure and longing for routine. This is why, despite it all, it is some small comfort to know that humans right now are better at Tetris than they have ever been. And that if we decide to move to Los Angeles, we’ll have to solve a lot of problems with ourselves first: “How do you help care for the city that drew you in, rather than allow your presence to steamroll its culture?” And, to generalize: how can we care for 2019, as we’re drawn inexorably into its vortex, rather than allow it to steamroll us all?

It’s been a great year. I’ve loved writing this newsletter, and being able to chime in with my Friday posts and occasional guest weeks. (Guest editor Chrysanthe Tenentes put up some great posts this year as well.) Cheers to Jason for continuing to host the best blog in the universe. Here’s to more and better in 2019. Here’s to blogs making their inevitable comeback. Here’s to another twenty years.

GDP Per Capita in China and Africa in 1980 and 2016

posted by Jason Kottke   Dec 19, 2018

Africa China GDP

Using data from the IMF and World Bank, this map by Näytä Data shows how quickly the relative fortunes of China and African countries changed over the last few decades. For reference, in 1980, Africa had an estimated population of 480 million and China’s population was 994 million, while in 2016, Africa had 1.23 billion people and China had 1.4 billion people.

Terrible Maps

posted by Jason Kottke   Dec 17, 2018

For the past few years, the @TerribleMaps Twitter account has been posting maps that aren’t useful or that don’t make a lot of sense. Here are some of my favorites.

Terrible Maps

Terrible Maps

Terrible Maps

Terrible Maps

(via laura olin)

Typewriter Maps

posted by Jason Kottke   Dec 13, 2018

Typewriter Map

Daniel Huffman dug his dad’s old typewriter out of the basement and used it to type out a map of the major rivers draining into Lake Michigan.

The final product has various interesting smudges where the paper accidentally contacted the ribbon. In particular, I noticed that typing in red always produced a faint black “shadow” a couple of lines above. When the slug hit the red part of the ribbon, a small portion of it would lightly hit the black portion of the ribbon, too. Later on, I started holding scrap paper over my map in order to prevent this, so that the black shadow would go on the scrap.

In sum: my typewriter is not a precision instrument. This makes it a somewhat uncomfortable-feeling tool for a detail-oriented designer like me. I like being able to zoom in to 64,000% in Illustrator and correct errors that are small enough that no human eye could possibly ever see them. But, there’s something attractive about the organic messiness of the typewriter.

He experimented with a couple of other maps as well: a shaded relief map of Africa and a contour relief map of the Great Lakes.

See also An Atlas for the Blind.

James Niehues: The Man Behind the Map

posted by Jason Kottke   Dec 11, 2018

I’ve you’ve ever skied or snowboarded in the US, Canada, or many other spots around the world, chances are you’ve used a ski map painted by James Niehues. He’s hand-painted almost 200 trail maps for places like Alta, Vail, Big Sky, Okemo, and Mammoth.

Ski Magazine regularly ranks the Top 50 resorts in North America. Jim has hand painted 45 of them. His tools of choice are a camera, a notepad, a paintbrush and a canvas. Every painstaking detail — peaks, cliffs, trees and shadows — is painted by hand. Jim’s large and beautiful paintings have helped generations of skiers navigate and capture the unique character of each mountain. He has had more impact on the image and feel of skiing than almost anyone, yet few people know his name.

With the help of a small team, Niehues is publishing a hardcover coffee table book featuring all of his work along with a series of prints. Here are a couple of the maps that will be in the book:

Niehues Maps 01

Niehues Maps 02

These Are Barely Maps

posted by Jason Kottke   Nov 27, 2018

Peter Gorman is creating dozens of minimalist maps that he’s rolling up into a book that will be ready late next year (hopefully).

One of my favorites is this map that shows the 5 largest cities in each US state as constellations.

Barely Maps

I also like how this map of Manhattan mostly keeps its shape only using subway stations.

Barely Maps

You can follow Gorman’s progress on Instagram.

An Infinite Icosahedral Puzzle of the Earth

posted by Jason Kottke   Nov 13, 2018

Earth Puzzle

Nervous System designed this puzzle of Earth so that it can be put together in a variety of different ways.

This puzzle is based on an icosahedral map projection and has the topology of a sphere. This means it has no edges, no North and South, and no fixed shape. Try to get the landmasses together or see how the oceans are connected. Make your own maps of the earth!

A Song Map of the United States

posted by Jason Kottke   Nov 12, 2018

Song Map

Song Map

Design studio Dorothy has produced a poster of a map of the United States where all the place names are song titles.

Some of our favourite song choices are the ones which require you to think a little harder about connections, such as Space Oddity (David Bowie) which signposts Cape Canaveral, After the Gold Rush (Neil Young) which references Sutter’s Mill, and Homecoming (Kanye West) which is placed near the rapper’s home town of Chicago.

The map is accompanied by a Spotify playlist of most of the songs used…over 61 hours of music in total.

Leave Land and Remain Land

posted by Jason Kottke   Nov 05, 2018

These two maps by Esri UK show the parts of the UK that voted to leave the EU and which parts voted to remain.

Leave Land Remain Land

See also the NY Times’ maps of Trump’s & Clinton’s Americas from the 2016 election. (via @goodwinmj)

All Over the Map: A Cartographic Odyssey

posted by Jason Kottke   Nov 01, 2018

The folks behind the National Geographic cartography blog All Over the Map have come out with a book of the same name that is a “guided tour through the world’s most incredible maps”.

Just to give you a taste of the kind of stuff they feature, recent entries include maps of the most extreme places on Earth and Heinrich Berann’s panoramic paintings of national parks.

All Over The Map

All Over The Map

All Over The Map

You can order a copy of All Over the Map here.

Haptic Labs now makes wearables

posted by Chrysanthe Tenentes   Oct 25, 2018

I’m a sucker for maps so I’ve been into Haptic Labs quilts since we found out about them nine years ago (thanks Kelsey!). Founder Emily Fischer is endlessly creative, but technical, and is one of the best layoff success stories I know. She originally programmed quilting machines to create to-scale neighborhood map quilts, though now they’re now all handmade.

haptic-constellation.jpg

It’s hard to pick a favorite between the city maps, coastal maps, and constellation quilts. She even does baby quilts (a great gift) and has three lines of kites.

nyc-haptic-quilt.jpg

And now Haptic Lab makes quilted coats, which look great but also feel like draping yourself in bedding. Kind of genius considering the stressful times we live in, no need to get out of bed.

haptic-cloak.jpg

The Wrong Color Subway Map

posted by Jason Kottke   Oct 16, 2018

Wrong Color Subway Map

From the orange 123 line to the green ACE to the purple 456, the color designations on the NYC subway lines on the Wrong Color Subway Map will mess with your head. Get the print here. From the folks who brought us the One-Color Subway Map. (via @khoi)

How the Mercator Projection Distorts the True Sizes of Countries on Maps

posted by Jason Kottke   Oct 15, 2018

Data scientist Neil Kaye made this map to show how much the popular Mercator projection distorts the sizes of many countries, particularly those in the Northern Hemisphere.

Mercator Adjusted

The distortion in the animated version is even clearer. Key takeaway: Africa is *enormous*.

See also the true size of things on world maps.

True Size Map

New York City Street Tree Map

posted by Jason Kottke   Oct 02, 2018

Nyc Street Tree Map

The NYC Parks department maintains an online map of the city’s street trees — currently 678,674 mapped trees from 422 different species.

Our tree map includes every street tree in New York City as mapped by our TreesCount! 2015 volunteers, and is updated daily by our Forestry team. On the map, trees are represented by circles. The size of the circle represents the diameter of the tree, and the color of the circle reflects its species. You are welcome to browse our entire inventory of trees, or to select an individual tree for more information.

The map only shows trees that grow on land under the jurisdiction of NYC Parks. This includes trees planted along sidewalks or other public rights-of-way. You might not see trees that are planted on rights-of-way maintained by the NYC Department of Transportation, or by the state or federal government. You will also not see trees planted on private property.

Each tree on the map is clickable; when you do so, you can see the tree’s species, diameter, and the ecological benefits. (For example, this large oak tree along Central Park West provides $540 of ecological benefits each year…from capturing storm runoff to removing air pollutants.) You can also keep track of your favorite trees, join a tree care group to help take care of the city’s trees, or record activities you’ve done to care for trees in your neighborhood.

It’s easy to become a tree steward! We host volunteers all year long. We can train you in basic activities such as watering trees, adding mulch and soil, and removing weeds and litter; as well as advanced activities such as installing a tree guard, expanding tree beds, and installing or removing stone or brick pavers.

When Melbourne, Australia assigned each of their trees an email address to report problems, people started writing love letters to their favorite trees.

“My dearest Ulmus,” the message began.

“As I was leaving St. Mary’s College today I was struck, not by a branch, but by your radiant beauty. You must get these messages all the time. You’re such an attractive tree.”

This is an excerpt of a letter someone wrote to a green-leaf elm, one of thousands of messages in an ongoing correspondence between the people of Melbourne, Australia, and the city’s trees.

Each of NYC’s trees has a ID number too…let’s give them email addresses! (via @halobrien_wa)

The 2018 Fall Foliage Prediction Map

posted by Jason Kottke   Sep 24, 2018

Foliage Map

Well, I really can’t ignore it any longer. Here in Vermont, we’ve paid our last visit to the swim hole, the heat is on in my house, and the leaves on the trees have started changing. Autumn has arrived. If you’re into peeping some leaves in your neck of the woods, SmokyMountains.com has the best foliage prediction map on the web.

The 2018 Fall Foliage Map is the ultimate visual planning guide to the annual progressive changing of the leaves. While no tool can be 100% accurate, this tool is meant to help travelers better time their trips to have the best opportunity of catching peak color each year.

Compared to the past two years, it looks like the leaves are changing a little later this year.

Shoreline Maps of the World

posted by Jason Kottke   Sep 19, 2018

In a book called Atlas of the World with Geophysical Boundaries, scientist Athelstan Spilhaus published a series of world maps that emphasized the Earth’s oceans over the continents. The maps turn our familiar continental view of the world inside out. Check out this rendering of one of Spilhaus’ maps by Le Cartographe:

Spilhaus Map

Takes a second to get your bearings on that, right? One big ocean with Antarctica in the middle, surrounded by the stretched-out landmasses of Asia and the Americas. Jason Davies recreated some of the other Spilhaus maps and so did Mike Bostock.

Spilhaus Map

You can see a bunch of Spilhaus’ other shoreline maps by flipping through the pages of his book on Google Books.

Making useful three-dimensional maps

posted by Tim Carmody   Sep 14, 2018

I’ve often said that every two-dimensional map is a lie; a perfect map would be able to show a city in three dimensions. (Or four, to show how they’ve changed over time.)

Height tells you so much; the steepness of streets, where water tends to flood, even often class distinctions, at least traditional ones. Try walking around San Francisco sometime, or Gloucester, Massachusetts, following a map that tells you take a left turn, straight uphill. Better still, try this in a wheelchair.

Toby Eglesfield, a graphic designer working in New Zealand, took this challenge seriously. After some aborted attempts with arrows, he settled on a trimetric projection (it’s like isometric, but slightly different), with different colored wedges to indicate the relative steepness of a street. Here’s the basic idea:

DRCMap-WorkInProgress.jpg

And here’s the completed product:

Queenstown 3d Map (large).png

Created for the disAbilities Resource Centre in Queenstown, the map includes marks for accessible toilets, car parks, etc. I’d love to see a version for Manhattan, San Francisco — anywhere, really, but especially older cities with varied topography.

A Map of the World Where the Sizes of Countries Are Determined by Population

posted by Jason Kottke   Sep 13, 2018

World Map Population

Max Roser has constructed a cartogram of the world where the size of the countries are determined by their populations (big version of the image here). He refers to it as “the map we need if we want to think about how global living conditions are changing”.

The cartogram is made up of squares, each of which represents half a million people of a country’s population. The 11.5 million Belgians are represented by 23 squares; the 49.5 million Colombians are represented by 99 squares; the 1.415 billion people in China are represented by 2830 squares; and this year’s entire world population of 7.633 billion people is represented by the total sum of 15,266 squares.

As the size of the population rather than the size of the territory is shown in this map you can see some big differences when you compare it to the standard geographical map we’re most familiar with. Small countries with a high population density increase in size in this cartogram relative to the world maps we are used to — look at Bangladesh, Taiwan, or the Netherlands. Large countries with a small population shrink in size — talking about you Canada, Mongolia, Australia, and Russia.

Some observations (Roser has many more if you click through):

1. Look at how teeny Russia is. (So is Canada.)

2. Seriously, Bangladesh, Pakistan, Nigeria, Indonesia, and Brazil all have larger populations than Russia. Japan, Ethiopia, and Mexico are very close.

3. 60% of the world’s population lives in Asia.

4. 5 times as many people live in Madagascar as do Ireland. The populations of Ireland + the Scandinavian countries = the population of Peru.

5. Europe is tiny. Guns, Germs, and Steel, yo.

6. India and China. Damn.

I would love to see an animated version of this cartogram from like 1950 to 2100 (like this one of the US).

Update: Jakub Nowosad built an animated map of the world’s population changes from 1800-2100 and documented the steps so you can make your own variation.

An Ultra-High Resolution Map of Antarctica

posted by Jason Kottke   Sep 11, 2018

Antarctica Detailed Map

Antarctica Detailed Map

Antarctica Detailed Map

Using years of satellite data and photography, researchers have constructed an extremely detailed terrain map called the Reference Elevation Model of Antarctica that maps 98% of the continent down to a resolution of 8 meters. That makes it the most detailed terrain map of any continent. The NY Times has the skinny on the new map.

Previous maps of the continent had a resolution similar to seeing the whole of Central Park from a satellite. With this new data, it is now possible to see down to the size of a car, and even smaller in some areas. The data is so complete that scientists now know the height of every feature on the continent down to a few feet.

“If you’re someone that needs glasses to see, it’s a bit like being almost blind and putting on glasses for the first time and seeing 20/20,” said Dr. Howat.

The team used 187,585 images collected over six years to create the map.

“Until now, we’ve had a better map of Mars than we’ve had of Antarctica,” said Dr. Howat.

The best designed maps from the past two years

posted by Jason Kottke   Aug 28, 2018

Published by the North American Cartographic Information Society, the upcoming 2018 Atlas of Design showcases 32 of the best maps made over the past 2 years. Atlas Obscura has a selection of maps featured in the book.

2018 Atlas Of Design

2018 Atlas Of Design

You can preorder the book here or view a list of all the maps and their designers included in the book.

Territorial maps of indigenous nations in the Americas & Australia/NZ

posted by Jason Kottke   Aug 06, 2018

Native Lands Map

Native Lands Map

The Native Land site is a collaborative effort to map the approximate boundaries of the territories and languages of the indigenous nations in the Americas, Australia, and New Zealand.

Cows, trees, corn, and golf - how America uses its land

posted by Jason Kottke   Jul 31, 2018

US Land Use

Here’s How America Uses Its Land is a nice presentation by Bloomberg on land use in the US. The land and resources used for livestock makes a great case for Americans eating more vegetarian.

More than one-third of U.S. land is used for pasture — by far the largest land-use type in the contiguous 48 states. And nearly 25 percent of that land is administered by the federal government, with most occurring in the West. That land is open to grazing for a fee.

There’s a single, major occupant on all this land: cows. Between pastures and cropland used to produce feed, 41 percent of U.S. land in the contiguous states revolves around livestock.

Urban areas take up relatively less space but are growing the fastest. And only 100 people own a space the size of Florida? Wow.

On a percentage basis, urban creep outpaces growth in all other land-use categories. Another growth area: land owned by wealthy families. According to The Land Report magazine, since 2008 the amount of land owned by the 100 largest private landowners has grown from 28 million acres to 40 million, an area larger than the state of Florida.

It would be interesting to see this data sliced and diced in a few different ways. I’d love to see land use by state or area of the country or how much each category is growing or shrinking, with projections 5, 10, 20 years into the future.