Comment by beklein | Hacker News Reader

Comment by beklein | Hacker News Reader

Would love to see the original prompt for Nano Banana from OP somewhere. One that yields decent results, for me, is:

{ "image_generation_prompt": { "subject_focus": { "primary": "Architectural exterior scene", "constraint": "Strictly preserve original building geometry, facade details, and structural layout", "reference_adherence": "High structural fidelity to input image" }, "environment_and_season": { "season": "Late November, very late autumn", "weather": "Post-rain, overcast, gloomy, high humidity", "sky": "Heavy grey cloud cover, diffuse white/grey light, no direct sunlight", "ground_texture": "Wet asphalt/pavement, highly reflective puddles, wet concrete, scattering of wet brown decaying leaves" }, "vegetation_details": { "trees": "Leafless branches, dormant skeletal trees, sparse lingering brown foliage", "color_palette": "Desaturated greens, browns, greys, russet, damp earth tones", "state": "Winter-ready, wet bark, dormant landscaping" }, "human_element": { "density": "Sparse, minimal crowd", "clothing": "Heavy winter coats, scarves, boots, muted colors", "activity": "Walking briskly to avoid cold, holding closed wet umbrellas, hurrying, heads down against the wind", "mood": "Solitary, cold, urban transit" }, "photographic_style": { "medium": "Realistic architectural photography", "camera": "35mm lens, sharp focus on architecture", "tone": "Cinematic, moody, desaturated, cool color temperature, blue-grey tint", "quality": "8k resolution, high dynamic range, hyper-realistic textures" } } }

It's on Lovable so you can just fork it and take a look (the prompt is in supabase/functions/transform-render/index.ts):

Transform this idealized architectural rendering into the most brutally realistic, depressing photograph possible. This is the WORST CASE scenario - what the building will actually look like in reality:

- Set on a dreary, grey, overcast late November day with flat, lifeless lighting - The sky is a uniform dirty grey, threatening rain - All trees are completely bare - just skeletal branches against the grey sky - The landscaping is dead, muddy, or non-existent. No lush gardens, just patchy brown grass and bare dirt - Remove ALL people, the scene should feel empty and abandoned - Any water features should look stagnant and grey - Add realistic weathering, dirt streaks, and construction residue on the building - The building materials should look how they actually appear, not the idealized clean version - Include visible utility boxes, drainage grates, and other mundane infrastructure usually hidden in renders - The overall mood should be bleak but realistic - this is what buyers will actually see on a random Tuesday in late autumn - Maintain the exact building, angle, and composition, just strip away all the marketing polish

The goal is honest truth, not beauty. Show what the architect's client will actually see when they visit the site.

Thank you! Learned something new today. Will try to look out for this trick on other Lovable sites I will stumble upon.

>> Remove ALL people, the scene should feel empty and abandoned

That really captures the vibe in Kendall square on the weekend, but for maximum "honest truth" there should be double-parking, delivery trucks and ubers stuck in traffic waiting on a thousand people to scurry across the street from the subway entrance, huddling against the cold. Some dirty snowbanks and grey slush puddles in the crosswalks would really nail it.

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