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There is a whole new set of photoscanned objects from textures.com: grass. Taking as an example the 3D Scanned Grass Atlas 11 set, one can find multiple tiff files that can be used in blender as image textures (those can be downloaded with a free account at low resolution):

  • albedo
  • normal
  • roughness
  • translucency
  • alpha

Here is my node setup.

enter image description here

I don't know if it is right (node editor beginner here). And what should I do with the alpha map?

Obviously, there is something wrong with my setup.

enter image description here

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  • $\begingroup$ Watch Andrew Prices's How to Use the Principled Shader $\endgroup$ – cegaton Mar 15 '18 at 16:44
  • $\begingroup$ @cegaton I already did but it's been a while. I'll watch it again! $\endgroup$ – cjorssen Mar 15 '18 at 17:44
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Albedo -> Color

Roughness (Non-Color Data) -> Roughness

Translucent -> Transmission

Normal (Non-Color Data) -> Normal (Tangent Space) -> Normal

Alpha is used on a mix shader to control the mix of the principled shader and transparency.

enter image description here

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  • $\begingroup$ Thanks (+1)! Why don't we set image to non color data for translucent and alpha? $\endgroup$ – cjorssen Mar 15 '18 at 17:43
  • $\begingroup$ @cjorssen Yes, alpha should be non-color. And translucent... I'm not sure since the original image does contain color information... $\endgroup$ – cegaton Mar 16 '18 at 1:31

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