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Kerkythea Rendering System • View topic - Normal vs Bump
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Normal vs Bump

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Tom S

Posts: 5

Joined: Mon Mar 19, 2012 8:29 pm

Post Sun Apr 08, 2012 7:13 pm

Normal vs Bump

Some of the Materials in the download section use normals maps while others use only bump maps (grey-scale). What is the advatage or disadvantage of using one over the other? Does one use more resources and thus add time to the renders.
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notareal

KT-Team
KT-Team

Posts: 4211

Joined: Fri Oct 27, 2006 7:27 am

Location: Finland

Post Thu Apr 12, 2012 3:32 pm

Re: Normal vs Bump

If principle they both should produce the same effect, but often bump maps are just grey scale versions of a diffuse map - not real "height" map based on the surface geometry. Often professionally created normal maps do have a better quality, so they may seemingly give better result.
Thea Render and Kerkythea Rendering System, by Solid Iris Technologies
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Tom S

Posts: 5

Joined: Mon Mar 19, 2012 8:29 pm

Post Thu Apr 12, 2012 11:55 pm

Re: Normal vs Bump

And regarding the demand on the computer's resources and speed, is one preferable as a resource consevation measure?

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