LuxCoreRender Textures Spectrum

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Spectrum Texture Types

Blackbody

  • Output value: color

By indicating a color temperature, LuxCoreRender will use the spectral distribution of a blackbody. This is useful for for example light bulbs (2800-3300K), candles (1850K) and the sun (5000-6500K). For a detailed explanation, see for example techmind.org

Color Depth

  • Output value: color

Color depth, also known as color at depth, is a texture designed to make setting absorption simpler. Normally, you set absorption by defining the color that will be absorbed, resulting in a color control that is essentially "backwards". This texture allows you to instead set the desired result color and how far the light should penetrate before reaching that color.

Parameters

  • Transmission color - The target color of the transmitted light as it reaches the defined depth
  • Depth - The depth at which the specified transmission color is reached



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