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Lux renderer changed colour of boots

djb80635djb80635 Posts: 0
edited December 1969 in New Users

The Lux renderer has rendered a pair of black boots as grey in my scene. I checked the settings and they are definitely black and render as black with the default 3Delight renderer.

Any ideas?

Thanks

Comments

  • Herald of FireHerald of Fire Posts: 3,504
    edited August 2014

    Luxrender requires a smart way of thinking when you use it. If something appears as too gray, then chances are it's reflecting too much light. You probably have a glossy material with a low absorption and overly high specular values.

    Note that anything over RGB: 64,64,64 is EXTREMELY shiny. I'd argue anything over RGB: 32,32,32 is too shiny for most standard objects.

    Post edited by Herald of Fire on
  • kaotkblisskaotkbliss Posts: 2,914
    edited December 1969

    That might explain why all my sci-fi pistols keep rendering white in 3delight

  • SpottedKittySpottedKitty Posts: 7,232
    edited December 1969

    Yes, that's the way many surfaces parameters work in LuxRender — for specular, its normal range is very, very low, it doesn't take much to bring it into the range of "unnaturally shiny" which ususally renders as fuzzy grey.

    Something else you must watch out for is bump and displacement. In LuxRender, it's measured in metres, not cm like in 3Delight.

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