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Rendering with mental ray and 3ds Max, 2nd Edition by Ted Boardman, Joep van der Steen

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5.5 Camera shaders

mental ray shaders can also be applied to cameras to achieve a variety of effects that alter the atmosphere seen by the camera. For example, you may want to make a scene a bit more mysterious by providing a bit of layered ground fog, or maybe you want to make a night scene more convincing.

Camera shaders are not applied directly to the camera but can be placed in the Render Setup dialog; the effect is then applied to the entire scene from that camera view. In the next few exercises, you will take a scene of a small industrial town just before sunrise and add camera shaders to simulate the early morning mist close to the ground as well as enhance the streetlights to appear to glow in the mist, too.

You’ll then learn to use a ...

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