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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.

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.

3Delight Shading Attributes listed under the Attribute Editor's Attributes menu

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.

Reflection Shading Attributes 

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. Using a value of 0 will include all scene objects, regardless of their distance; this is the default.

Samples

Number of samples for the reflection. Higher sample counts produce smoother reflections. The required number of samples to get smooth reflections varies from case to case and depends on the reflected objects and the value of the Blur attribute. In some cases, 2 to 8 samples may suffice. In some other cases, hundreds of samples may be required.

Blur

Angle in radians that defines a sampling cone. Larger values produce smoother reflections but may require a higher number of samples.

Noise Amplitude
Noise Frequency

Amplitude and frequency of noise applied to the reflection.


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