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Dev tools · October 7, 2026

TerrainSR – fast, realistic heightmap upscaling model

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TerrainSR – fast, realistic heightmap upscaling model launched on October 7, 2026 with 48 votes, #487 of 3,235 launches that month and more than 95% of that year's launches.

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In plain words

TerrainSR is an open-source model that upscales low-resolution terrain heightmaps into higher-detail versions. It converts 100-meter resolution data to 10-meter resolution and can extrapolate beyond that. The model was trained specifically to avoid generating artificial features like buildings, mines, or urban areas, producing terrain that reflects only natural landscape features. It is designed for developers and researchers working with geographic data.

written from the facts on this page · October 2026

From the sources

TerrainSR is a model that allows you to generate realistic higher-detail terrain height data from lower-detail terrain height data. It is trained on 100m -> 10m pairs, and will give good results for higher-resolution than 100m data (even extrapolating down past 10m detail) but will break down with lower-resolution data than that. TerrainSR was deliberately trained without built-up areas or human-modified land such as open-cut mines or cities, so that the generated outputs will be free of such artifacts. The model was originally produced (by me) to allow a lower-resolution 100m map of Europe to be used for a real-scale historical strategy game - a 10m dataset will both be hundreds of…from huggingface.co

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