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terence

@tterence

smitten with #rstats · associate prof · political economy · the #rayverse's number one fan

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Latest posts by terence @tterence

A visualisation of the population of nine French cities

A visualisation of the population of nine French cities

Introducing population tiles of France.

#rayshader adventures, an #rstats tale

06.03.2026 12:54 👍 20 🔁 5 💬 0 📌 0
A visualisation of the rivers of the Danube basin

A visualisation of the rivers of the Danube basin

Did this a while back but forgot to share: the Danube basin.

#rayshader adventures, an #rstats tale

05.03.2026 02:27 👍 21 🔁 7 💬 0 📌 0
A visualisation of the rivers of the Paraná basin

A visualisation of the rivers of the Paraná basin

The Paraná basin.

#rayshader adventures, an #rstats tale

16.02.2026 13:10 👍 15 🔁 1 💬 0 📌 1
Video thumbnail

Average monthly precipitation of the world, 1970–2000

#rayshader adventures, an #rstats tale

15.02.2026 14:13 👍 17 🔁 4 💬 0 📌 0
A visualisation of the rivers of the Yangtze basin

A visualisation of the rivers of the Yangtze basin

Today's basin is the Yangtze.

#rayshader adventures, an #rstats tale

13.02.2026 12:50 👍 17 🔁 2 💬 0 📌 0
Video thumbnail

Average monthly precipitation of Japan, 1970–2000.

#rayshader adventures, an #rstats tale

12.02.2026 19:29 👍 15 🔁 2 💬 0 📌 0
A visualisation of the rivers of the Mekong basin

A visualisation of the rivers of the Mekong basin

Another day, another basin: the Mekong basin.

#rayshader adventures, an #rstats tale

12.02.2026 13:12 👍 19 🔁 4 💬 0 📌 0
A visualisation of the rivers of the Mississippi basin

A visualisation of the rivers of the Mississippi basin

The Mississippi basin.

#rayshader adventures, an #rstats tale

11.02.2026 15:42 👍 47 🔁 7 💬 3 📌 2

Thank you!

10.02.2026 23:46 👍 1 🔁 0 💬 0 📌 0
A visualisation of a segment of the Duchesne river

A visualisation of a segment of the Duchesne river

A visualisation of a segment of the Sevier river

A visualisation of a segment of the Sevier river

#30DayMapChallenge · Day Thirteen · A new tool. Visualisations of segments of the Duchesne (left) and Sevier (right) rivers, inspired and made possible by @geo_coe (who wrote a wonderful set of tutorials in QGIS) and @OpenTopography.

13.11.2024 20:32 👍 69 🔁 6 💬 3 📌 1
A visualisation of the rivers of the Nile basin

A visualisation of the rivers of the Nile basin

The Nile basin.

#rayshader adventures, an #rstats tale

10.02.2026 15:57 👍 15 🔁 4 💬 1 📌 0

Thanks! I've played with this; it's fun!

10.02.2026 15:16 👍 2 🔁 0 💬 0 📌 0
A visualisation of Australia's power lines

A visualisation of Australia's power lines

Power lines (OSM and derived) of Australia.

#rayshader adventures, an #rstats tale

09.02.2026 21:26 👍 14 🔁 1 💬 0 📌 0
A visualisation of the rivers of the Colorado basin

A visualisation of the rivers of the Colorado basin

The Colorado basin.

#rayshader adventures, an #rstats tale

08.02.2026 22:30 👍 32 🔁 8 💬 0 📌 0

Love it! From a hires DEM?

08.02.2026 00:48 👍 2 🔁 0 💬 1 📌 0
A visualisation of the rivers of the Congo basin

A visualisation of the rivers of the Congo basin

The Congo basin.

#rayshader adventures, an #rstats tale

07.02.2026 21:12 👍 46 🔁 11 💬 2 📌 1
A visualisation of the rivers of the Ganges-Brahmaputra basin

A visualisation of the rivers of the Ganges-Brahmaputra basin

The Ganges–Brahmaputra basin. Have another version that includes even more rivers but that's taking forever.

#rayshader adventures, an #rstats tale

06.02.2026 18:06 👍 19 🔁 5 💬 1 📌 0
A visualisation of the rivers of the Amazon basin

A visualisation of the rivers of the Amazon basin

The Amazon basin. Been wanting to do this for a while and finally managed to fix the errors I was getting.

I rather like how it turned out.

#rayshader adventures, an #rstats tale

06.02.2026 00:22 👍 21 🔁 5 💬 2 📌 0
A visualisation of Vietnam's power lines

A visualisation of Vietnam's power lines

Power lines (OSM and derived) of Vietnam.

#rayshader adventures, an #rstats tale

04.02.2026 20:46 👍 13 🔁 2 💬 0 📌 0
A visualisation of Thailand's power lines

A visualisation of Thailand's power lines

Power lines (OSM and derived) of Thailand.

#rayshader adventures, an #rstats tale

03.02.2026 15:15 👍 21 🔁 3 💬 1 📌 0
A visualisation of Portugal's power lines

A visualisation of Portugal's power lines

Power lines (OSM and derived) of Portugal (minus Madeira and the Azores).

#rayshader adventures, an #rstats tale

02.02.2026 12:36 👍 7 🔁 0 💬 0 📌 1
A visualisation of Australia's freshwater ecoregions

A visualisation of Australia's freshwater ecoregions

Freshwater ecoregions of Australia.

#ggplot2 adventures, an #rstats tale

31.01.2026 13:23 👍 11 🔁 1 💬 0 📌 0
A visualisation of Africa's freshwater ecoregions

A visualisation of Africa's freshwater ecoregions

Freshwater ecoregions of Africa.

#ggplot2 adventures, an #rstats tale

30.01.2026 14:16 👍 26 🔁 2 💬 2 📌 1
A visualisation of Romania's power lines

A visualisation of Romania's power lines

Power lines (OSM and derived) of Romania.

#rayshader adventures, an #rstats tale

29.01.2026 23:41 👍 20 🔁 4 💬 1 📌 0
A visualisation of Hunter Mountain's ski pistes

A visualisation of Hunter Mountain's ski pistes

Did this last week but never shared: a profile of Hunter Mountain's ski pistes. Should I do more? This was just a test of an idea. Might choose a mountain in Europe or Japan next time.

#ggplot2 adventures, an #rstats tale

24.01.2026 02:02 👍 33 🔁 5 💬 1 📌 0
A visualisation of South America's freshwater ecoregions

A visualisation of South America's freshwater ecoregions

Freshwater ecoregions of South America.

But why didn't you do this in #rayshader?! Of course I did, but am still sorting out a few issues because rivers don't fall neatly into categories...

#ggplot2 adventures, an #rstats tale

23.01.2026 18:45 👍 22 🔁 3 💬 0 📌 0
A visualisation of the top 10 mountain peaks of the United States as a series of overlapping lines

A visualisation of the top 10 mountain peaks of the United States as a series of overlapping lines

Top 10 peaks of the United States, by which I mean Alaska, because all of them are in Alaska.

#ggplot2 adventures, an #rstats tale

17.01.2026 14:41 👍 17 🔁 2 💬 1 📌 0
A visualisation of nine Japanese volcanoes

A visualisation of nine Japanese volcanoes

Nine volcanoes of Japan. Mt. Fuji is instantly recognisable. The others too, I hope.

This took a while to get right. Looks like fancy chocolates, no? Or little LED buttons.

#rayshader adventures, an #rstats tale

17.01.2026 01:17 👍 26 🔁 9 💬 0 📌 0
A visualisation of ski run profiles from steepest to gentlest of Hunter Mountain, NY

A visualisation of ski run profiles from steepest to gentlest of Hunter Mountain, NY

Something like this?

17.01.2026 01:05 👍 0 🔁 0 💬 1 📌 0

Back to ski runs. I liked @infowetrust.com's suggestion and got to work but was frustrated by label size and placement.

So I made it interactive, two ways. Which do you prefer?

tterence.shinyapps.io/hunter_mount...
tterence.shinyapps.io/hunter_mount...

#shiny adventures, an #rstats tale

16.01.2026 20:38 👍 3 🔁 0 💬 3 📌 0