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Bump map, normal map and displacement map explained -The Official Reality forums http://ow.ly/4n1sMb
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Obsidian by 3drenders on DeviantArt http://ow.ly/4mMlgm 3D Art made with Reality for Poser. For more information on using Reality click here: http://preta3d.com/reality-details
#realityplugin #Poser #luxrender #3drendering #renderart #3d #digitalart #render #rendering #3dart #3dmodel #digitalarts #3dartistp
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There is a good tutorial on how to use the Reality presets found on - Page 3 - The Official Reality forums http://ow.ly/10zlIQ
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Take control of your materials: normal maps – Part 8
Last week we looked into the role of bump maps and what they do. Today we are going to look into the fascinating world of Normal Maps.
Normal Maps, NMs for short, are special cases of the bump map. They are very similar in function but with a twist: they hold more precise information on how to create the shading that simulates dents and bumps on the surface.
The limitation of the bump map is that it is a grayscale height map that describes the roughness of the surface. There are limitations in resolution and precision in using bump maps, so normal maps have been devised. Before we look in detail at the NMs, it’s important that we understand what a “surface normal” is. We know that the models that we use are made of polygons. Each polygon is defined in space by 3 or 4 vertices. Each vertex is defined by 3 coordinates: x, y, and z. In the Poser/DAZ Studio world the y axis is up and the z axis defines depth.

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Time Will Tell by scifigiant on DeviantArt http://ow.ly/4mMloN 3D Art made with Reality for Poser. For more information on using Reality click here: http://preta3d.com/reality-details

#realityplugin #Poser #luxrender #3drendering #renderart #3d #digitalart #render #rendering #3dart #3dmodel #digitalarts #3dartist
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Take control of your materials: what is a bump map? Part 7
Previously, we saw how to manage an Image Map texture in the Texture Editor. The power of textures is that they can be used for many different effects. In the simplest of cases, a texture provides the “paint coat” of a surface. A texture can, for example, give the appearance of denim to a sculpted pair of pants. Change the texture and they can look like leather. We are simplifying, of course, but that’s the gist of what textures can do.
There is another application of textures. They can provide numeric data for calculation of special effects. For example, if we want to create shading that simulates pores on the skin, we would know that pores are recessed areas of the surface, little dents. If we observe how we perceive dented areas of a surface, whether we are talking about skin, a wall, or a piece of metal, those dents are visible because they create a darker area in the surface. In fact, a common “rejuvenating” trick of photography is to blast a lot of bright, frontal light to an aging face. Without need for layers of makeup, the frontal light removes the lines caused by wrinkles and the subject looks immediately ten years younger. Click here to read the full post! http://ow.ly/4mMmY7
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Have them in circles
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Reality plugin connects your 3D scene to LuxRender
Introduction
Reality Plugin is a plug-in for DAZ Studio that gives you the full power of LuxRender.