---
title: Terrain Diffusion Demo
emoji: 🏔️
colorFrom: green
colorTo: blue
sdk: gradio
sdk_version: 6.10.0
app_file: app.py
short_description: Interactive 3D diffusion terrain generator
startup_duration_timeout: 1h
---

# Terrain Diffusion Demo

Generate realistic terrain heightmaps using the [terrain-diffusion-30m](https://huggingface.co/xandergos/terrain-diffusion-30m) model and inspect them in an interactive Three.js viewer.

Based on the paper [InfiniteDiffusion: Bridging Learned Fidelity and Procedural Utility for Open-World Terrain Generation](https://arxiv.org/abs/2512.08309).

## Features

- Custom `gr.Server` frontend with Three.js WebGL terrain rendering
- Preset and sketch-based elevation conditioning
- Orbit, zoom, pan, wireframe, and elevation exaggeration controls
- 16-bit PNG heightmap download
- Paper-informed About panel