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IRAY equivalent for 3Delight surface control slider "Diffuse Strength"?

CA415CA415 Posts: 165
in Daz Studio Discussion

What is the IRAY surface control slider that's equivalent to the 3Delight surface control slider "Diffuse Strength"?

Comments

  • TheKDTheKD Posts: 2,696

    What does that slider do in 3dlight? 

  • Sven DullahSven Dullah Posts: 7,621
    edited September 2020
    TheKD said:

    What does that slider do in 3dlight? 

    It controls the diffuse strength lol!

    Colin said:

    What is the IRAY surface control slider that's equivalent to the 3Delight surface control slider "Diffuse Strength"?

    The Iray equivalent to diffuse color is base color;)

    Post edited by Sven Dullah on
  • CA415CA415 Posts: 165

    Thanks for the quick response, but I'm trying to find the equivalent of "Strength" not "Color".  Moving the "Diffuse Strength" slider alters the "strength" of the surface map as opposed to it's color in 3Delight.  In effect, darkening or lightening the surface map.

  • Sven DullahSven Dullah Posts: 7,621
    Colin said:

    Thanks for the quick response, but I'm trying to find the equivalent of "Strength" not "Color".  Moving the "Diffuse Strength" slider alters the "strength" of the surface map as opposed to it's color in 3Delight.  In effect, darkening or lightening the surface map.

    Diffuse weight maybe? Sorry I don't use IRay.

  • NorthOf45NorthOf45 Posts: 5,533
    Colin said:

    Thanks for the quick response, but I'm trying to find the equivalent of "Strength" not "Color".  Moving the "Diffuse Strength" slider alters the "strength" of the surface map as opposed to it's color in 3Delight.  In effect, darkening or lightening the surface map.

    Change the base color to something darker. You can have both a bitmap and a solid color, which multiply RGB values.

    In 3DL, you can achieve the same effect as Diffuse Strength by decreasing the Value (as in HSV) in the color control. Try it yourself. Make two primitives, color them identically. Set Diffuse Strength to 50% on one, and change the Value (HSV Val.) on the color control of the other, and they will look identical. Add a bitmap to see that the net effect is the same.

  • marblemarble Posts: 7,500

    Sometimes adjusting the Diffuse slider can be a little severe. I often play with the Translucency Weight and Colour which has the effect of darkening or lightening the base diffuse.

  • Sven DullahSven Dullah Posts: 7,621
    edited September 2020

    nm

    Post edited by Sven Dullah on
  • MattymanxMattymanx Posts: 6,949

    There is a menu in the upper right of all tabs in DS.  Either click on the icon, or just right click on the tab itself and go to "Preferences > Show Hidden Properties" and the Diffuse Strength slider will appear.

     

  • CA415CA415 Posts: 165

    Thanks to everyone for their help.

    I had forgotten about the "Show Hidden Properties" checkbox -Thanks, Mattymanx! 

    When MDL character materials are loaded, "Diffuse Strength" is one of the many 3Delight sliders that is hidden by default.  Why, I wonder?  That slider is quite useful in brightening dark MDL (iRay) materials for rendering under the 3Delight engine.

    Only now, at long last, I'm venturing into iRay materials/rendering.  The lighting models and vocabulary are so different, that my 3Delight rendering tricks have become difficult to replicate in the iRay environment.  

     

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