Italian Alps Peaks & Valleys Real-World Terrains 8.7 km
Matei Ioan Alexandru
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37 real-world heightmaps of the Italian Alps, about 8.7 x 8.7 km each at 4.34 m resolution, true 1:1 scale in Unity. 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.The deep trough valleys, serrated ridges, cirques and mountain lakes of the Italian Alps at their real size, at 4.34 m resolution37 heightmaps of the Italian Alps from real-world elevation data (DEM). Deep glacial trough valleys with flat floors, serrated granite and gneiss ridges, cirques, firn patches on the highest tops and small mountain lakes of the central Italian Alps. Each map covers 8.749 x 8.749 km (about 8.7 x 8.7 km, 77 square km) at 4.34 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 INSIDE37 heightmaps - 16-bit PNG, 2017 x 2017 px, relief from 1,285 m to 2,381 m per mapOne Unity terrain per map - 2049 samples at the map's own 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: Alpine Valley Lake, High Peaks and Firn, Trough Valley and RidgeTerrain Builder - one click turns any heightmap into a real-scale Unity terrainAlps ground look - 8 ground layers in 4K (meadow, forest floor, dry earth, scree, rock, gravel, snow, lake bed)Water - lakes with natural waves travelling across the surface, soft shorelines and deeper water towards the middle, in Built-in, URP and HDRPSnow - old snow and firn only on the highest tops, placed from the real shape of the mountains in the demo levels✦ FEATURESExact scale - size and height range are in every file name and inside every PNG, and the builder reads them for you4.34 m resolution - gullies, ridges, cirque walls, moraines and flat valley floors are in the data itselfAnti-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 cliffs show real rock texture instead of vertical streaks; flat ground is unchangedVerify - compares every terrain height with the original pixels✦ PERFORMANCENative 3840 x 2160 - the demo scenes are made for native 4K in all three pipelines, pixel error 3 on every terrain✦ 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 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 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.Heightmaps - 37 x 16-bit greyscale PNG, 2017 x 2017 px: 37 maps of 8.749 x 8.749 km (about 8.7 x 8.7 km, 77 square km) at 4.34 m per pixelRelief - 1,285 m to 2,381 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 3.9 cm on the flattest map and about 7.3 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 Alps ground layers + the shared ground layers, 4096 x 4096 albedo, normal and maskWater - lake surfaces with travelling waves, soft shorelines and depth shading 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, Water Setup, Alps Ground Textures; PDF documentation includedCompatibility - Unity 2022.3 and above; Built-in, URP and HDRP
