MapToPoster
Generate beautiful city map posters from OpenStreetMap data with customizable themes, fonts, and resolution
### Overview Generate beautiful city map posters from OpenStreetMap data. This app ports the [maptoposter](https://github.com/originalankur/maptoposter) Python CLI tool to a web application with an interactive map UI, allowing you to click anywhere on the map to generate a poster of that city. ### Features - **Interactive Map**: Click on the Amap (高德地图) to select any city worldwide, with built-in geolocation support - **Auto Geocoding**: Reverse geocoding via Amap API auto-fills city and country names (with CJK province fallback for China) - **17 Themes**: Choose from themes like Noir, Neon Cyberpunk, Japanese Ink, Sunset, Autumn, Gradient Roads, Monochrome Blue, and more — each with a preview thumbnail - **Resolution Presets**: Quick-select from Default Poster, Instagram Post, Mobile/HD/4K Wallpaper, A4 Print, or Custom size - **Preview Mode**: Generate a fast low-res preview (150 DPI, drive-only) in ~30-60 seconds before committing to full HD - **Google Fonts with Live Preview**: Select from recommended fonts including CJK (Noto Sans SC/JP/KR/TC), Arabic, Devanagari, Thai, and Khmer — fonts are loaded from Google Fonts CDN and previewed in real-time - **CJK Font Support**: Full CJK (Chinese/Japanese/Korean) font rendering in generated posters via fonttools TTC extraction and matplotlib font fallback - **Real-time Progress**: Watch the Python generation process in real-time via SSE streaming, including tqdm progress bars - **Bilingual UI**: Chinese/English interface with one-click language toggle (auto-detects browser language) - **Job History**: All generated posters are saved persistently — browse your history gallery anytime - **Cache Persistence**: OSM data and font downloads are cached to disk for faster repeat generations
