The engine is set up for fast interactive rendering. This pushes the computing power of GPU and CPU to the limit while maintaining the high photorealistic quality of Thea Render.In Thea Render, we have created a small amount of highly realistic materials using the most accurate physics based models. These models are designed to produce highly energy efficient material combinations.The physically based material system has features such as advanced layering and spectral color selection, which are the heart of the rendering engine. Thea Render v3.0.150.1951 For Rhino Win x64.
This will increase your render time significantly, but always kind of works.3. Turn up the number of samples used for your production render. I have no idea who uses what at the moment, so can't advise.2. Use a renderer with a better sampling strategy. This manifests itself as noise.There are sampling strategies that mitigate this, but they come with their own problems.It seems worse with high gamma because the sun is relatively brighter and the hot spots are more intense.1. The grain you are seeing looks to me like fairly standard monte carlo noise.What is happening is that the renderer is sampling various points on the sky and combining them to give you the incoming light at each point.If you have a very small, very bright object like the sun then you can get a situation where most of your samples are missing it most of the time, and when a sample hits it you get a bright spot.
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