Mercator ↔ Equal Earth

תקציר מקורי באנגלית<p><strong>Tool:</strong> <a href="https://tools.simonwillison.net/equal-earth">Mercator ↔ Equal Earth</a></p> <p>I got curious about the Equal Earth map projection that was recently <a href="https://www.theguardian.com/world/2026/sep/04/un-vote-world-map-mercator-equal-earth-africa">voted on at the UN</a> so I had GPT-6 Astra (medium) in ChatGPT Work <a href="https://chatgpt.com/share/6a9ee520-c82c-83ea-8111-2f7050c08638">build me</a> this animated transition between Mercator and Equal Earth using D3.</p> <video controls playsinline preload="none" width="360" height="476" poster="https://static.simonwillison.net/static/2026-09-07/equal-earth.jpg"> <source src="https://static.simonwillison.net/static/2026-09-07/equal-earth-medium.mp4" type="video/mp4"> </video> <p>Tags: <a href="https://si