Terrain Generator

Terrain Generator

Pick an area (max 6×6 km), then generate a lightweight terrain mesh + exports - fully client-side.
Width (km)
Height (km)
Center lat
Center lon
Mapbox access token
Imagery zoom
Elevation zoom
Mesh density
Mesh format
Texture
Heightmap

What is this tool

Generate a self-contained terrain package directly in the browser: a lightweight triangulated mesh (grid-TIN), a texture map, and a 16-bit heightmap for game engines.

How it works

  • Selection: choose center and size (max 6×6 km).
  • Elevation: stitched Terrain Tiles (Terrarium) decoded and normalized to 16-bit.
  • Mesh: stable grid triangulation with diagonal flipping for clean results.
  • Exports: GLB/OBJ mesh, PNG/JPG texture, and 16-bit PNG or RAW .r16 heightmap.
Tip: If you see blocky elevation, increase Elevation zoom for higher detail.

Tutorial

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Frequently Asked Questions

Quick answers about the Terrain Generator and exports.

Why is there a 6×6 km limit?
It keeps downloads fast and avoids heavy tile requests. We can increase this later once caching and batching are tuned.
Which heightmap format should I use?
16-bit PNG is convenient for most DCC tools. .r16 is great for Unreal Engine landscape imports.
Can I use my own imagery source later?
Yes - this tool is structured so additional tile sources can be added as dropdown options without changing exports.