From Webinar - How about bump maps

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Permalink Reply by Render Plus on September 13, 2012 at 6:59am

See this page:

http://www.renderplus.com/wp2/wk/Bump_Maps.php

True Bump Maps

Here is an example of a "true" bump map (using one image for color, and a second image to define the indentations into the surface)

Stone Pattern Bump map rendered with IRender nXt

Bump Maps created from Material Textures

Here is an Auto Bump example of a wall with SketchUp's stone material, and two spot light shining on the the material:
(Bump maps have their best effect when there is lighting at an angle to the material, because the bump map 3D effect is more pronounced when there is light shining on the material.)

No Auto Bump Map

With Auto Bump Map and 100% color strength

• See: Automatic Bump Maps

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Permalink Reply by Render Plus on September 13, 2012 at 7:01am

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