# GPT Image Hub prompt

## City Insomnia Index Poster
- URL: https://www.gptimagehub.com/library/city-insomnia-index-poster
- Generator URL: https://www.gptimagehub.com/generate?promptId=cmogxhqbw00gdxt5ga8q4yxv2
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Flibrary%2Fcity-insomnia-index-poster
- Category: Infographic / Education
- Model: gpt-image-1
- Aspect ratio: 1:1
- Style: graphic-design
- Updated: 2026-10-26T09:35:05.601Z
- Created: 2026-04-27T08:21:39.597Z

Generates a multi-layered city nightlife data infographic poster with circular metric charts, ideal for urban reports, tech studies, and editorial prints.

### Full prompt
```text
"A city's insomnia index"/"CITY INSOMNIA ATLAS", nightlife data visualization poster, the center is a top-down perspective of the city's night view map, according to late night 22:00, 00:00, 02:00, 04:00 The four time periods are illuminated in layers, with the commercial area highlighted in neon purple and electric blue, and the residential area presented in a dot matrix of dim yellow window light. Four circular data modules are embedded around the map: coffee sales curve, night taxi popularity, music playback peak, and social media activity. The title uses narrow uppercase English and Chinese bold overlapping, and the subtitle reads "Who is still awake and who is pretending to be asleep". The small characters at the bottom annotate the data source, time interval and city sample number. The overall visual reference is "Monocle" + Technology think tank report style, the atmosphere is between urban romance and mild anxiety, ratio 4:5.
```
### Source
- Title: image2官方推荐完整版出图提示词合集！复制即用