Giga Mars

Openclay - 环境 - 2022/05/20

Realistic Planet Mars with high detail textures and terrain

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Showcase video:

Giga Mars is derived from over 1 billion polygons, with this terrain data powered by Nanite, enabling cinematic viewing of Mars for a variety of purposes, in real-time. The total color map is over 81,000 pixels wide and 40,000 pixels high which is based on real data that has then been artistically treated. The normal map is over 40,000 x 20,000 pixels, and allows for normal flatness to be adjusted, changing the intensity of the normal map features.

This project provides Mars at two different scales in two separate levels, one small stylized and artistic, while the other is built to scale.

The project MUST have streaming virtual textures enabled, which can be achieved by the following instructions.

In the Project Settings under Engine > Rendering > Virtual Textures, check the box next to Enable virtual texture support.

WARNING: This project is close to ~10 GB in size.


This product supports Nanite for Unreal Engine 5.0+


  •  2 Levels - 1 x level has a large planet and atmosphere, 1 x level has a small planet and atmosphere.
  •  Adjustable normal flatness to control the apparent normal intensity.
  •  Adjustable star brightness

Number of Unique Meshes: 257

Collision: (Yes - automatically generated)

Vertex Count: ~32,000,000

LODs: (No)

Number of Materials and Material Instances: 2 Materials, 2 Material Instances

Number of Textures: 101

Texture Resolutions:

  • Planet Color Map - 50 x 8k (8192x8192)
  • Planet Normal Map - 50 x 4k (4096x4096)
  • Color Star Map - 1 x 8192 x 8192

Supported Development Platforms:

Windows: (Yes)

Documentation: Use the following console variable for seamless atmospheric traversal between terrestrial and orbital camera perspectives.

r.SkyAtmosphere.AerialPerspectiveLUT.FastApplyOnOpaque 0

Important/Additional Notes: This project uses data from the following sources. Many thanks to NASA and the USGS for their incredible work.

Original color data from

Produced by USGS Astrogeology Science Center

Original height data from

Produced by USGS Astrogeology Science Center