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Texture Size Specifications

Texture size recommendations for truck mods:

  • External truck parts and its low-poly cabin:
    • Regular truck (passenger cars and SUVs) — 1 texture, 4096х4096.
    • Large truck (cabin + body) — 2 textures, each 2048х2048:
      • The front part of the truck (cabin and its surroundings).
      • The rest of the model (chassis, and so on).
  • Glass (all glass parts of the truck) — 2048х1024 or 4096х2048 (depends on the format and aspect ratio of the glass elements).
  • High-Res Cabin — 4096х4096.
  • Gauges — 2048х1024 or 4096х2048 (depends on the number of elements).
  • Glass of the Gauges — 1024x1024.
  • Tire — 2048х1024.
  • Rim — 1024x1024.
  • Addons — may vary: depends on size and complexity. Texel is ~230.

Texel density

The average texel density for all externally visible body parts must be approximately 250–300 texels per unit.

In exceptional cases, a lower texel density of 220 texels per unit can be used.

Texel density distribution

Distribute texel density optimally, based on the following criteria:

  • Visibility of the surface area.
  • Required level of texture detail in the area.

Underside surfaces

Reduce the texel density for underside surfaces (chassis), but not more than 50 % from the base value. Thus, the density can be approximately 140 texels per unit.

Hidden and low‑visibility components

Texel density can be reduced even more for internal components in the engine bay and other elements that are almost invisible.

First‑person view components

Increase texel density to ~450 for the following components:

  • Mirrors
  • Interior‑side edge of the hood
  • Windshield wipers

Components with fine detail or text

Increase texel density to 500–600 for the following components:

  • License plates
  • Headlight lenses
  • Reflectors

Texel density consistency requirements

Mind the important consistency rule: the texel density difference between neighbouring surfaces must not exceed 10%.

Avoid cases when neighbouring surfaces have significantly different densities: for example, 250 texel per unit and 300 texels per unit.

Exceptions: this rule does not apply to specific components where a higher texel density is used to maintain the level of detail: license plates, headlight lenses, and reflectors (see the section above).