In case you’re wondering, ‘normal’ is the technical name given to the direction which is perpendicular to the surface. The color change tells the renderer the angles of the normals of the surface. Quite simply, you can view from different directions and move lights, and you’ll get realistic 3d details.Normal-maps are usually purple, with cyan and pink hues. This tricks the ray trace rendering into believing it’s a real geometry and casts shadows accordingly. Create a new layer by.Normal-maps look more realistic than bump because they carry the complete 3 dimensional data, and not just height alone.
For each duplicate layer, apply the NormalMapFilter with a filter type of 3×3, 7×7 and 9×9 respectively. You don’t need to worry about all the settings to create a simple normal map. After installation you’ll find it as a Filter > Nvidia Tools > NormalMapFilter.Just open up your Bump map in Photoshop and apply this filter.
You can change the amount for altering the strength of the effect and get more definition.I still prefer to use VRayDisplacementMod – since it gives me more defined lines in exchange for a longer rendering time. Now plug this map into a VRayNormalMap and into your material bump slot. We now have a composite normal map with sharp and smooth fading detail.
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