Ultra-large Photogrammetry scene
This model is a complete 3D scan of the city of Helsinki. It was reconstructed from 42,000 aerial photographs with a ground sample distance of about 7.5 cm/pixel. The open dataset comprises 3B triangles and 406790 1K textures and is available for download here: https://hri.fi/data/en_GB/dataset/helsingin-3d-kaupunkimalli. After a day of Umbrafying with input through CLI, the output was ready for browser integration with Umbra player (C++, WebAssembly, WebGL).