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Global Illumination and Alpha map problem

Sci Fi FunkSci Fi Funk Posts: 1,198
edited July 2013 in Carrara Discussion

Hi,

Please see the attachment of my Grafitti shader (simplified to just a texture map and alpha map), then see the sample render (render settings shown).

I get an unwanted shading in the Grafitti. If I render without Global Illumination it's ok (but then the picture isn't as good).

Is there a way of working with Alpha maps so as not to get the unwanted shading around the Grafitti (see bottom right)?

Thanks in advance.

Steve

Post edited by Sci Fi Funk on

Comments

  • AquilaAquila Posts: 19
    edited December 1969

    Hi

    Try ticking 'light through transparency' in the global illumination settings

  • Sci Fi FunkSci Fi Funk Posts: 1,198
    edited December 1969

    Aquila77 said:
    Hi

    Try ticking 'light through transparency' in the global illumination settings

    Ah! That's embarrassing. lol.

    Spot the noob at Global illumination.

    Hey thanks a lot. I've not explored the options here too much as I principally animate and these options kill the render times.

    To celebrate I've added some grunge around the bottom of the building and windows. Thanks again.

    Lived_in_v1.1_.jpg
    800 x 450 - 180K
  • AquilaAquila Posts: 19
    edited December 1969

    No problem, made the same mistake myself, glad I could help.

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