Property
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Description
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Exposure
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Brightens or darkens the environment map in a way that imitates changing the exposure setting on a camera.
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Gamma
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Modifies the relative brightness of different parts of the image using a gamma curve. This property can help simulate the response to light that different cameras and display devices have.
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Heading
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Rotates the environment map as if a person observing the environment turned his head right or left.
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Pitch
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Rotates the environment map as if a person observing it looked up or down.
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Roll
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Rotates the environment map as if a person observing it tilted his head sideways.
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Filter
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Diffuses the environment map using one of the following techniques:
None
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The environment map is not diffused.
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Diffuse
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Diffuses the environment map so that when it is reflected off a surface it will create the impression of a diffuse material. This option causes a Radius property to appear that controls the degree to which light is diverted from its regular path.
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Scatter
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Partially diffuses the environment map so that when it is reflected off a surface it will create the impression of a material that partially scatters light. This option has a Radius property that controls the degree to which light is diverted from its regular path, and a Strength property that controls the amount of light that gets diverted.
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Anisotropic
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Diffuses an environment map with individual controls for the degree of horizontal and vertical diffusion.
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