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    Snow displacement

    Gal Wip(Gal)
    posted to: Snow
    Hello ! How to get a smooth displacement like the result in the video tutorial (with BLTS 3.6.11) . My displacement is very straight ! Try several method with the height, and the scale of the normal node but unable to achieve the same result as the tutorial. I'd like to submit a screen capture but I can only submit a question here ! Thank you
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    Reply
    • Martin Bergwerf replied

      You can add screenshots here (just not in the first post directly under a Lesson).

      At least make sure you are using Cycles and that you don't have Bump Only selected in the Material Settings:

      Displacement_01.png

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    • Omar Domenech replied

      Also make sure your normals are pointing in the right direction, if you have flipped normals that can cause a mess. And of course apply the scale.

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      Gal Wip(Gal) replied

      Hi ! Thank you for your help ! Face orientation, scale, displacement only, subd, cycles are ok... And I add a question : how to keep the sparkles? Because Denoise removes this tiny little dots reflecting the light.... Here is some quick render at 24 samples, with different parameters... Thanksow_displacement1.pngow_displacement2.png

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    • Omar Domenech replied

      I don't use Denoise exactly because of that, it removes all the fine little details and muddies everything. Maybe try turning on the render passes and using denoise in compositing, see if it makes it better.

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    • Dwayne Savage(dillenbata3) replied
      On first question, You may want to change Ease to B-Spline, or switch noise to 2D instead of 3D. Another option is to increase the details of the noise textures. On the second question, It depends on which option you are using. If it's Optix you can try changing the passes to Albedo or Normal instead of the default of both. Since it's displacement, I think it would be Albedo. I could be wrong, because I mainly work with eevee. Another option is to increase noise threshold. For example: default is 0.01 maybe try 0.015. It will be different depending on your GPU. 
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    • Adrian Bellworthy replied

      Same as Omar!
      I don't use denoise in the render properties, increase the samples and/or use a denoise node in compositing is the better option.

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      Gal Wip(Gal) replied

      Thank you Omar, Dwayne and Adrian !

      Yes ! Snow Shader works best with Color ramp set to Bspline, Noise set to 3D and Cycles with 256 samples ! Thanks for your help !

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