3Delight For Maya 6.0: 3.7 The Shading Attributes

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3.7 The Shading Attributes

3.7.1 Overview

3Delight for Maya offers extra parameters for Hypershade surface shader nodes to control certain aspects of the shading not covered by the node's regular attributes. These parameters are adjusted using extra shading attributes.
Once a shading attribute is added to the object, the gadgets to control its value are displayed in a separate 3Delight Shading Attributes frame layout, which appears at the bottom of the Attribute Editor.

3.7.2 The 3Delight Shading Attributes Menu

To add or remove shading attributes on an Hypershade surface shader node, that shader must be displayed in the Attribute Editor. In the Attribute Editor's Attributes menu, a 3Delight Shading Attributes submenu will list the available category of attributes. The list of modifiers varies based on the type of the node begin displayed in the Attribute Editor; only relevant attributes are listed.
Presence of a given attribute is displayed in the 3Delight Shading Attributes submenu by a checkbox or a checker mark next to the attribute name. Selecting a non-checked item will add that attribute to the object, while selecting a checked item will remove that attribute. Selecting the `All' menu item will add all missing attributes, or remove them all if they were already all present in the object.

3.7.3 Reflection Shading Attributes

**Figure 3.32**: The Reflection shading attributes panel

The following attributes are offered for surface shaders that support reflections:

` Max Distance': The maximum distance to search for reflections. Using a value that excludes large portions of the scene that cannot be reflected anyway will improve rendering speed.
` Samples': Number of samples for the reflection. Higher sample counts produce smoother reflections.
` Blur': Angle in radians that define a sampling cone. Larger values prodduce smoother results but may require a higher number of samples.
` Noise Amplitude': Amplitude of noise applied to the reflection.
` Noise Frequency': Frequency of noise applied to the reflection.

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