q3dviewer: open-source Qt+OpenGL tool for painter-like point cloud editing
4310sy · x · 2026-10-18
Developer scomup released q3dviewer (MIT, 119 stars), an open-source library that makes editing point clouds feel as smooth as drawing, installable via pip install q3dviewer==1.3.4.
- Built on Qt and OpenGL, it offers efficient render items for point clouds, cameras, and 3D Gaussians; inspired by PyQtGraph but focused on fast 3D rendering.
- Usable as a library for building viewer apps, plus GUI tools like q3d.filmmaker via pip install "q3dviewer[tools]".
- Ubuntu 20.04/22.04 users need the libxcb-cursor0 dependency.
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