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48 real-world heightmaps of Alaska's fjords, lakes and volcanoes, 10 x 10 km (102 km²) each at 5 m, true 1:1 scale. 9 demo scenes, Built-in/URP/HDRP.Unity 2022.3 and above. Built-in, URP and HDRP in one package. Real-scale terrains (1 unit = 1 m) built from the exact heightmap pixels.▶ Full 4K video showcase: https://youtu.be/I-g6ZqnbFK8​The coast, lakes and volcanoes of Alaska - fjord arms and big lakes below steep mountains, cone volcanoes, glacier-carved cirques with tarns and braided rivers - at their real size, 10 x 10 km per map48 maps of the coast, lakes and volcanoes of Alaska from real-world elevation data (DEM). Fjord arms and big lakes below steep coastal mountains, cone volcanoes up to 2,468 m of relief, glacier-carved cirques with tarns, braided rivers and rugged coastal ranges of Alaska. Each map covers 10.08 x 10.08 km (about 10 x 10 km, 102 square km) at 5 m between samples. Every Unity terrain sample is an original heightmap pixel - nothing is stretched or resampled - and 1 Unity unit is 1 metre.​✦ WHAT'S INSIDE48 heightmaps - 16-bit PNG, 2017 x 2017 px, relief from 108 m to 2,468 m per mapOne Unity terrain per map - 2049 samples at the map's own 5 m spacing; the unused 32-sample strip at the edge is cut away with terrain holes3 demo levels x 3 render pipelines - 9 ready scenes to fly or walk through: Volcano, Fjord Shore, Cirque TarnsTerrain Builder - one click turns any heightmap into a real-scale Unity terrainAlaska Fjords and Volcanoes ground look - 8 ground layers in 4K (meadow, forest floor, dry earth, scree, rock, gravel, snow, lake bed)Shore water - transparent fjord arms, big lakes and cirque tarns: clear at the shoreline, the bed visible in the shallows, darker water further out, rivers that follow the valley downhill, a thin moving shore film and wet ground just above the water, in Built-in, URP and HDRPAlaska in winter - the ground of the demo levels is painted from the real shape of each map: snow over the coastal slopes, alder twigs through the snow, deep snow on the cones, wind-scoured grey ash, dark scoria and black volcanic rock on the steepest walls​✦ FEATURESHuge real-world maps - 10 x 10 km of real ground in every map, at 5 m between samples: volcano cones, crater rims, cirques, fjord walls, deltas and braided river beds are in the data itselfExact scale - size and height range are in every file name and inside every PNG, and the builder reads them for youAnti-tiling terrain shaders - every layer blends three texture sizes by viewing distance, so no repeating patternsCliffs without stretching - textures are projected from the side on steep faces, so walls show real rock texture instead of vertical streaks; flat ground is unchangedVerify - compares every terrain height with the original pixels​✦ PERFORMANCENative 3840 x 2160 - no upscaling, demo scenes in player builds: HDRP 122-143 FPS · URP 159-216 FPS · Built-in 337-445 FPS (RTX 3090)​✦ DEMO CONTROLSMouse look · WASD move · Shift fast · G walk at 1.8 m eye height · F fly · N / P next / previous level · H help​✦ UNITY 2022.3 AND ABOVEBuilt-in, URP and HDRP in one package. Tools > Lidar Terrains > Project Setup switches on terrain holes, and Shore Water Setup the depth and opaque textures the water reads, in your pipeline asset with one click. The Built-in Render Pipeline has no post-processing, so the Built-in demo levels look simpler than the URP and HDRP ones.​✦ USE CASESOpen-world games · flight and driving simulators · hiking, hunting and survival games · cinematics · terrain studies. The heightmaps also work in other tools: 16-bit PNG, north up, size and height range in the file name.​✦ MORE REAL-WORLD TERRAINSSame format, same tools:British Columbia Alpine Peaks - https://assetstore.unity.com/packages/slug/425040British Columbia Mountain Valleys - https://assetstore.unity.com/packages/slug/425042British Columbia Lakes & Rivers - https://assetstore.unity.com/packages/slug/425044British Columbia Plateau & Eskers - https://assetstore.unity.com/packages/slug/425046New Brunswick Fundy Highlands - https://assetstore.unity.com/packages/slug/424740New Brunswick Charlotte Granite Lakes - https://assetstore.unity.com/packages/slug/424736New Brunswick Carleton Hills & River - https://assetstore.unity.com/packages/slug/424738New Brunswick Acadian Bogs & Streams - https://assetstore.unity.com/packages/slug/424732Heightmaps - 48 x 16-bit greyscale PNG, 2017 x 2017 px: 48 maps of 10.08 x 10.08 km (about 10 x 10 km, 102 square km) at 5 m per pixelRelief - 108 m to 2,468 m per map (lowest point of each map at 0)Unity terrains - one terrain of 2049 samples per map, terrain holes for the exact edgeHeight precision - one height level is about 0.3 cm on the flattest map and about 7.5 cm on the map with the largest height rangeDemo content - 3 map prefabs (one prefab works in every pipeline) + 9 demo scenes (3 per pipeline)Ground textures - 8 Alaska Fjords and Volcanoes ground layers + the shared ground layers, 4096 x 4096 albedo, normal and maskWater - transparent lake and river surfaces whose colour comes from the real water depth (depth texture), soft shorelines, travelling waves and river flow, for Built-in, URP and HDRPShaders - anti-tiling, world-aligned terrain shaders with side projection on steep faces (triplanar) for Built-in, URP and HDRPEditor tools - Terrain Builder, Project Setup, Alaska Ground Textures; PDF documentation includedCompatibility - Unity 2022.3 and above; Built-in, URP and HDRP