I kinda need help figuring out what the following type of texture is usually called, as I'm trying to figure out how to add it over a pre-existing material
texture:
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$\begingroup$ Hard to say, it's a texture that is obviously associated with a UV Map. What's it mapped to in the Material Setttings? $\endgroup$– dvalCommented Jan 14, 2016 at 2:25
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$\begingroup$ What is the pre-existing material, and what mesh are you contemplating applying them over. It would be helpful if the pre-existing texture, the texture and the mesh would be packed into a ~.blend file, and by upload to a facility like [Blend-exchange}(blend-exchange.giantcowfilms.com) or similar. $\endgroup$– brasshatCommented Jan 15, 2016 at 3:36
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1 Answer
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I guess it is the specular map. Specular maps are the maps you use to define a surface's shininess. Here's the example of a specular map I've found on net:
Here's how it works: First example (the one pictured below) doesn't use specular map. As you can see the gloss is evenly distributed on the model.
Second example shows the same model, but with the glossiness distribution based on the specular map.
To control on what parts you want the glossiness to appear you have to create a black and white texture and map it on your mesh (in my case pure black color is a 100% glossiness and white color is no gloss at all).
After setting the texture as a factor between Diffuse and Glossy shaders, you have your gloss appear on the desired parts of the model.
Here's the interesting tutorial about how to create the specular maps: https://www.youtube.com/watch?v=5Gqp4bNJ52M
answered Jan 14, 2016 at 3:05
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2$\begingroup$ Don't forget to use non-color data for the spec map. $\endgroup$– PGmathCommented Jan 14, 2016 at 4:20