#Projections for #30DayMapChallenege

An animation of 24 hours (from midnight at UTC+00:00) on Earth today, in four different projections: Left to right, top to bottom: #Orthographic, #Stereographic, Interrupted Goode Homolosine and #Spilhaus.

Plotted with #cartopy 's Nightshade function (repeated calls to get the different twilight zones) and #matplotlib at 15 minute time steps and then stacked together in #gimp

Background image is cartopy's `stock_img()`.

re-used some code I threw together recently to make a thing for changing my desktop background: https://tlohde.com/blog/2025/10/because-i-cant-afford-a-geochron/

#theTerminator #twilightZones #blog #geochron

The Spilhaus Projection-A World Map according to Fish.

https://southernwoodenboatsailing.com/news/the-spilhaus-projection-a-world-map-according-to-fish

The Spilhaus Projection... centres on Antarctica... And compellingly, it presents the seas and oceans – 71% of the Earth's surface – as a unified body of water. The map was designed by a renaissance man who also invented the skyways of Minneapolis and the secret weather balloon that caused the Roswell Incident.

#maps #MapMaking #Spilhaus #sea #ocean #antarctica #earth #SoutherWoodenBoatSailing #WoodenBoat #sailing

🗺️⭐(im)ports (ex)ports⭐
Notre carte réalisée avec @neocarto pour l'Atlas de Migreurop (2022), sur les #circulations de #marchandises, pendant la pandémie de 2020, mobilise la superbe projection de Athelstan Frederick #Spilhaus (1942).

Sur #Neocarto https://neocarto.hypotheses.org/21985

& pour #Migreurop https://migreurop.org/article3408.html?lang_article=fr

(im)ports (ex)ports pendant la pandémie de 2020

La carte (im)ports (exports) illustre la persistance du mouvement des transport de marchandises par voie maritime, pendant la pandémie de 2020. Réalisée avec Nicolas Lambert, elle est publiée dans le Chapitre Flux must go on ! La circulation en trompe l’œil des marins de commerce de l’Atlas des migrations de Migreurop (2022). Elle mobilise la superbe projection dite de Spilhaus, du nom de son créateur, Athelstan Frederick Spilhaus (1942), un géophysicien et océanographe États-unien d’origine Sud-africaine, qui combina en réalité deux projections : celle de Ernst Hammer et celle d’August Heinrich Petermann. La carte étant focalisée sur les espaces maritimes...

Carnet (neo)cartographique
🌘 Spilhaus世界海洋地圖在一個正方形的身體中
➤ Spilhaus世界海洋地圖的特點和用途
https://storymaps.arcgis.com/stories/756bcae18d304a1eac140f19f4d5cb3d
Spilhaus世界海洋地圖是一個以正方形形式呈現的地圖,它展示了全球的海洋和洋流。這個地圖是通過高度壓縮源,去除停用詞並保留原文意思的方式進行TL;DR生成的。
+ 這個地圖看起來很有趣,我想了解更多關於Spilhaus世界海洋地圖的信息。
+ 這個地圖的設計真是獨特,我喜歡它能夠展示全球的海洋和洋流。
#地圖 #海洋 #Spilhaus
The Spilhaus World Ocean Map in a Square

A story about the "Spilhaus projection" – a map projection that went viral in fall 2018 and is now supported in ArcGIS.

Esri

@Pampa @davidho @helenczerski

Imagine you're a whale. you'd have that #Spilhaus projection image as a #map in your mind. You'd not need or know of the earth as a globe. All you need to remember is the #ocean #currents and where your nose would hit a water-less landmass.

In case the #Spilhaus #projection of the world hasn't been shared in the fediverse yet. #OneOcean

https://storymaps.arcgis.com/stories/756bcae18d304a1eac140f19f4d5cb3d

The Spilhaus World Ocean Map in a Square

A story about the "Spilhaus projection" – a map projection that went viral in fall 2018 and is now supported in ArcGIS.

Esri
Atlas des migrations dans le monde.
(Extrait)
Une magnifique et inédite cartographie de flux mondiaux pour illustrer la circulation de marins, navires, marchandises, par voie maritime. Réalisée pour l’occasion avec @neocarto #flowmap #monde #circulation #maritime #oceans #Spilhaus