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Is there an Ideal Bump Setting for Skin?

DrowElfMorwenDrowElfMorwen Posts: 538
edited December 1969 in Daz Studio Discussion

I am really wondering about bump settings in DAZ for skin (I use Genesis, primarily). Has anyone found something ideal for close up or far away renders? Also, what about a negative bump setting? Should I make sure it's set at 0 instead of the default -0.010?

Thanks for any tips.

Comments

  • jestmartjestmart Posts: 4,449
    edited December 1969

    The basic unit of measure in DS is centimeters so +-0.01 would be 1/10th of a millimeter, way too small to have much impact on the surface shading. The biggest problem with bump s on close-ups that include the face, neck and/or shoulders is the maps scale ratio to one another. The face map is too big and hi-res in relation to the torso and limb maps so the bump shading on the face will be finer and crisper than on the neck and shoulders.

  • prixatprixat Posts: 1,590
    edited January 2015

    I have a Bree character which I think came with either G2F or V6.

    The Bree material comes with presets for close up and distant bump settings.
    'Close up' Bump Strength is reduced to 15%
    'Distant' Bump Strength is increased to 25%.

    The presets don't alter the min. max. values.

    ...but there's no standard formula as the settings depend on the particular bump map.

    Post edited by prixat on
  • DrowElfMorwenDrowElfMorwen Posts: 538
    edited December 1969

    Thank you both. I am experimenting too, but this information helps.

  • StratDragonStratDragon Posts: 3,249
    edited December 1969

    DrowElfMorwen said:
    Thank you both. I am experimenting too, but this information helps.

    depending on the grayscale levels of the bump and/or displacement that came with the model it can become a "no magic bullet" solution where test renders are repeated until you get something close enough. Turn your shadows off for these and it will speed things up.

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