Other shaders are covered in online documentation.įortunately, as complex a topic as shaders are, DAZ Studio comes with several ready-made shaders so that you don't need to worry about creating or writing your own - we'll leave that to those with advanced degrees in computer science and physics. For the scope of this User Guide, we will only cover surface shaders. In DAZ Studio there are 5 different types of shaders including Surface, Light, Volume, Imager and Displacement - with surface shaders being the most common. If we take this a step further, we can say that a surface shader is a “Shader” that is specific to a surface or multiple surfaces. A surface shader ultimately determines the RGB value for every pixel in the scene. It calculates how a surface reacts to light, how or whether it reflects, or refracts etc. The simplest way to describe a surface shader is to say that it is a program that is run, by the “Render Engine”, for every visible/sampled point on a surface in order to describe what the final color and opacity of that surface should be.
The reason being that you can't really see a surface shader in your scene, you can only see the results of one. The last foundational concept we need to cover before getting into the meat of this chapter is that of a “Surface Shader.” The concept of a surface shader is a little more abstract than that of a surface, or an image map.
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