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6. Special effects  > 6.4 Rendering effects

6.4 Rendering effects

In this section we will look at a few effects that can make your scenes more convincing to the viewer. Following are some of the topics you’ll learn about:

•  Atmospheric effects

•  Motion blur effects

•  Depth of field effects

•  Contour rendering

•  Product rendering

As usual in 3ds Max, you’ll want to use these effects so that they enhance the viewer’s experience without being a burden on productivity (longer render times) and so that they add to the content of the message without being a cliché. Simply adding any effect because it’s possible will surely detract from the point of your message by distracting the viewer unnecessarily.

6.4.1 Atmospheric effects

Let’s look at an effect that is not specifically a mental ray effect: atmospheric clouds. Any outdoors scene can have more visual depth if you add 3D clouds to the scene. While there are several methods of creating 3D clouds, you will learn about using the Fire Effect environmental effect, which has enough parameters to create multiple types of clouds. Fire Effect has been used effectively with the scanline renderer, but there is an important minor tweak that you need to be aware of to make Fire Effect work with the Daylight system in mental ray.


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