Petite Ceinture, under snow

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Field notes — Petite Ceinture, January 2026
Paris, 12e arrondissement — 06.01.2026

1 — Interactive scene

Gaussian Splatting — navigable scene (SuperSplat viewer)

2 — Traveling

Traveling through the reconstructed environment — Unreal Engine

Training

Method: Gaussian Splatting (PostShot)
Images: 938
Splats: 2.0M
Iterations: 150k
Alignment: RealityCapture — 850 aligned images

Post-clean: none

Camera: Insta360 X4
Projection: equirectangular
Capture duration: 2:06 min (extract)
Location: Petite Ceinture, Paris 12e — outdoor / snow

3 — Training timelapse

Gaussian Splatting training — 150k iterations (PostShot, accelerated)

4 — Raw 360° capture

Source footage — Insta360 X4, equirectangular projection, 2:06 min

5 — Scene captures

— Nicolas Mimault, Bagnolet / Paris · nmimault@gmail.com