| Settings | Alternative Channels | Render Tree Usage
Related mental ray shader: mip_motionblur
The mental ray production Motion Blur shader is an output shader for performing 2.5d motion blur as a post process. The process is referred to as "2.5d" because the shader also takes the z-depth relationship between objects into account.
The following options allow you to specify alternative render channels for motion vector, depth, and blur data. The referenced channels must be defined and activated for the pass you are rendering in order for this output shader to be able to use them.
For information on how to work with render channels in general, see Render Channels & Framebuffers [Rendering].
For a description of the available render channels and their data types, see the Scene Render Options Property Editor [Properties Reference].
This output shader isn't used directly in the render tree; rather, it is applied using a pass's shader stack. For more information, see Applying Shaders to Partitions [Rendering].
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