splats.ply with pre-trained model is required

https://github.com/graphdeco-inria/gaussian-splatting

https://repo-sam.inria.fr/fungraph/3d-gaussian-splatting/datasets/pretrained/models.zip

EWA Splatting (Matthias Zwicker, Hanspeter Pfister, Jeroen van Baar, Markus Gross)
