aliasfox/srtm30m-ozt2-v2
SRTM 30m OZT2 Elevation Tiles This dataset contains SRTM 30-meter resolution elevation data encoded in the OZT2 tile format. Format OZT2 is a high-performance elevation tile format: Compression: ~93% smaller than Terrarium PNG Prediction: Gradient-based prediction (left neighbor + vertical gradient) Quantization: Adaptive bit-depth (8/10/12/16-bit per channel) Codec: Zstd q3 (30× faster encode than Brotli, same decode speed) Each tile is 256×256 pixels in Web… See the full description on the dataset page: https://huggingface.co/datasets/aliasfox/srtm30m-ozt2-v2.
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