Technical Write-up: https://www.justinchavez.com/blog/isometric-sf-how/Hi HN! Showcasing this fun project. I took 1300 square miles of the SF Bay Area from Google Photorealistic 3D Tiles and transformed them into a cohesive pixel map. It's really fun to explore and stumble upon various famous landmarks like Apple Park, Palace of Fine Arts, or UC Berkeley.The technicals involve using Nano Banana 2 to train a Qwen-Image-Edit 2511 LoRA which is used to prototype the style and generation methods. For final map I used Qwen to train a Klein 4B LoRA which reproduced the style at 1/4 of the cost. More details in the blog post.Let me know what you think! I really enjoyed this process of fine-tuning smaller open source models.If I did the map with Nano Banana 2 it would have cost around 7k USD!Credit for the idea goes to Isometric NYC.
Show HN: Isometric SF – A pixel-art map of the SF Bay Area
An isometric pixel-art map of the whole San Francisco Bay Area. Search a place, a town or an address, then send someone the view.
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Key takeaways
A pixel-art map of the SF Bay Area was created using 1300 square miles of data from Google Photorealistic 3D Tiles.
- The project used Nano Banana 2 and Qwen-Image-Edit 2511 LoRA for style generation.
- A Klein 4B LoRA was used for the final map at 1/4 the cost.
- The idea was inspired by Isometric NYC.
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