About: Directional-hemispherical reflectance

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Directional-hemispherical reflectance is the reflectance of a surface under direct illumination (with no diffuse component). Directional-hemispherical reflectance is the integral of the bidirectional reflectance distribution function over all viewing directions. It is sometimes called "black-sky albedo".

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  • Directional-hemispherical reflectance is the reflectance of a surface under direct illumination (with no diffuse component). Directional-hemispherical reflectance is the integral of the bidirectional reflectance distribution function over all viewing directions. It is sometimes called "black-sky albedo". (en)
  • 定向半球反射率是表面在直接照明下的反射率（沒有漫射元件）。 定向半球反射率是BRDF在所有可查看方向上的積分。它有時被稱為"黑色天空反照率"。參見： (zh)
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  • Directional-hemispherical reflectance is the reflectance of a surface under direct illumination (with no diffuse component). Directional-hemispherical reflectance is the integral of the bidirectional reflectance distribution function over all viewing directions. It is sometimes called "black-sky albedo". (en)
  • 定向半球反射率是表面在直接照明下的反射率（沒有漫射元件）。 定向半球反射率是BRDF在所有可查看方向上的積分。它有時被稱為"黑色天空反照率"。參見： (zh)
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  • Directional-hemispherical reflectance (en)
  • 定向半球反射率 (zh)
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