BumpNormals v1.0


 
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Contributor: Michael Garrett
Use a 2D image to add bump to a 3D render of normal vectors.
Requirements:
5.1, 5.2, 6.0, 6.1 or later
Linux, Mac, Windows
15 Jul 2010
1364

beforeafter

Use a 2D single channel image to add bump to a 3D render of normal vectors.  The result can be used to affect relighting.

A UV render is required in order to remap the input image to the 3D render.  The intermediate step of converting the bump value to xy vectors happens in 2D and is then UV mapped.  This means the vector is correctly multiplied with the normal along the surface tangents and gives a better result.

 

UI

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Comments   

 
# victor fleury 2011-02-25 04:32
Hey could you give us an example script please ?
I can't figure out well how does it work
 
 
# Michael Garrett 2011-02-25 13:29
I'm not sure the best place to upload example files.
 
 
# victor fleury 2011-02-25 17:21
Maybe a zip file or a rar file on megaupload could do it ? Don't you think?
 
 
# Andre BRIZARD 2011-07-12 07:44
that would be good indeed.
 
 
# Dmitry Yarkov 2020-10-14 10:14
I know I'm late, however:
The right input must contain Normal and UV channels. For example, in VRay there are VRayNormals and VRaySamplerInfo channels for this.
Prior to appending UV channel must be remapped into STMap through Shuffle (usually R and G channels)
The rest of the parameters as on the author's screenshot.
You'll get the modified Normal Map channel that you can use later for relighting as usual (see tutors).
 

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