SYNBUILD-3D: A large, multi-modal, and semantically rich synthetic dataset of 3D building models at Level of Detail 4

Benchmarking Part-Level Semantic Segmentation of Urban Meshes

A QGIS plugin that adds support for CityJSON files

Include PDF images in your Typst document

A Rust crate and Python library for packed, immutable, zero-copy spatial indexes.

A lightweight, easy-to-use, and efficient library for processing and rendering 3D data (C++ & Python)

Point-based Individual Tree Delineation from 3D LiDAR Point Cloud Data.

A CLI tool for analysing urban form using open source geospatial data.

[3D GeoInfo 2025] RoofSense: A Multimodal Semantic Segmentation Dataset for Roofing Material Classification

CityJSON loader and renderer for Three.js, React-three-fiber, and Jupyter Notebook / JupyterLab

Automatic repair for 3D city models framework

Very fast Python line simplification using either the RDP or Visvalingam-Whyatt algorithm implemented in Rust

[CVPR 2025] BWFormer: Building Wireframe Reconstruction from airborne LiDAR point clouds with Transformer

[ECCV 2024] RoofDiffusion: Constructing Roofs from Severely Corrupted Point Data via Diffusion

Create+process+modify+convert CityJSONSeq

Validation of 3D primitives according to the international standard ISO19107

cjdb is a tool enabling CityJSON integration with a PostgreSQL database

In case of fire, git commit, git push and leave the building

Command-Line Interface (CLI) application for efficient and scalable generation of large-scale 3D building models.

CityJSON to JSON-FG converter

A list of recent papers, libraries and datasets about 3D shape/scene analysis (by topics, updating).

Open source digital twin cities on the web using shared data layers

PSSNet: Planarity-sensible Semantic Segmentation of Large-scale Urban Meshes

Toolkit for Meshing in the Wild