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3D Objects
What are the different download options?
- Realtime version - Suitable for game engines such us Unity or Unreal. Least amount of triangles and tightly packed UVs with low amount of islands.
- Extra Lods - Lower resolution versions of the Realtime model. Each lod has a 50% reduction of the triangle density and uses the same UV layout.
- Highpoly sources - Cleaned up 3D data with 16bit Color and Roughness information. Same geometry that was used to create all the other variations.
- RAW sources - 3D data with only basic retouch and 16bit Color information. This tier can be used as is or as a starting point for an optimized asset.
What are the exact specifications?
| File Format (models) | File Format (maps) | Bit Depth | Tangent Space | Resolution | UDIMs | |
|---|---|---|---|---|---|---|
| Realtime version | .obj | .tif, .png | 8/16 (displacement) | MikkTSpace | 2048-8192 | 1 |
| Extra Lods | .obj | .tif, .png | 8/16 (displacement) | MikkTSpace | 1024-8192 | 1 |
| Highpoly sources | .obj | .tif | 16 | - | 3000-10000 | 1+ |
| RAW sources | .obj | .tif | 16 | - | 10000 | 1+ |
What is the coordinate system used for the 3D Objects?
Orientation is Y-Forward, Z-Up (example software: Unreal Engine)
Which normal map format is used?
All normal maps on our website are in the OpenGL format (Y+ (bottom-up).
What is the Units system, are the objects scaled correctly?
The unit system used is 1unit = 1cm. All objects are scaled to their exact real world dimensions.
How to setup the displacement properly?
In all its variation the scale needed is included in a .txt file. Example contents:
depth_min: -0.135
depth_max: 0.134992
depth_map_range: 0.269999
depth_midpoint: 0.5
To correctly displace you need to use the 'depth_map_range' value. It may need division or multiplication depending on your unit system (for example 0.02699 or 2.6999).
Realtime Version
There are two different height/displacement maps included in the Realtime Version download:
- _height.png - uses no smoothing to project the height information (use 'Flat' subdivision smoothing on your mesh).
- _heightPN.png - uses PN Triangle smoothing intended for use with PN Triangle subdivision method.