Tangent Space Normals Utilities v1.1


 
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Contributor: Thomas Mansencal
Various tangent space normals related utilities
Requirements:
8.0, 7.1, 7.0, 6.3, 6.2, 6.1 or later
Linux, Mac, Windows
09 Apr 2015
219

TANGENT SPACE NORMALS UTILITIES 1.1

colour-science.org - April 9, 2015

The attached file is a playground for implementation of various tangent space normals utilities. They are available as groups and can be copy / pasted quickly from the file to another or alternatively installed as gizmos.

  • Normalise_Tangent_Space_Normals: Normalises tangent space normals.Partial Derivative Blending: Blends tangent space normals together using Partial Derivative Blending.
  • Tangent Space Normals Generator: Generates tangent space normals from given input.
  • Multi Tangent Space Normals Generator: Generates tangent space normals from given input using multiple Tangent Space Normals Generators.
  • Brute Force Tangent Space Normals Generator: Generates tangent space normals from given input using brute force method: A card is tesselated and displaced in the 3d space and normals are rendered using Nuke ScanlineRender.
  • Tangent Space Normal to Cavity: Performs conversion from Tangent Space Normals to Cavity.
  • Tangent Space Normals Previewer: Preview tangent space normals by using angular mapping lighting.

A showcase video is available on Youtube: https://www.youtube.com/watch?v=hklnu-VspSY

Examples with a Nuke noise (Render is done with Marmoset Toolbag 2):

 

Tangent Space Normals Previewer:

 

 

http://i.imgur.com/pXYfZgi.gif

 

Latest version of the file will always be available at this url: https://github.com/colour-science/colour-nuke/blob/master/colour_nuke/scripts/tangent_space_normals_utilities.nk

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Comments   

 
# Matt Grasso 2015-05-07 22:57
i like it
 
 
# Michael Garrett 2016-04-05 03:59
Thanks for these utilities!! Also, thanks for mentioning my EnvConvolve gizmo for your Preview tool. I would recommend trying HP's more recent EnvironmentBlur blink node as it's accurate although because of the brute force nature of the calculation, slower:
http://www.nukepedia.com/blink/filter/environmentblur
 

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