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Helsinki Open 3D Data

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: With input to Umbra through CLI, the output was ready for browser integration with Umbra player (C++, WebAssembly, WebGL).