3Delight For Maya 6.0: 3.6 The Geometry Modifiers

Short Contents

3.6 The Geometry Modifiers

3.6.1 Overview

Some of the attributes available in the "Geometry Attribute Node" affect the way geometric objects are translated into RenderMan primitives. In some cases, it might be desirable to tie these attributes to specific objects, while sharing other attributes across different object types using a single geometry attribute node. For instance, several objects could share the same subsurface attributes by attaching them to a single geometry attribute node, but some of these objects would need to have `Poly As Subd' attribute on, while others need this attribute to be off. Using the Geometry Modifiers, it is possible to specify directly on the object the attributes that affect how the geometry is output, which can make it easier to share other attributes with common geometry attribute node.
The presence of a geometry modifier attribute in an object will override any identical attribute in attached "Geometry Attribute Node".

3.6.2 The 3Delight Geometry Modifiers Menu

To add or remove geometry modifiers attributes on an object, that object must be displayed in the Attribute Editor. In the Attribute Editor's Attributes menu, a 3Delight Geometry Modifiers submenu will list the available geometry modifiers. 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 Geometry Modifiers 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.

3.6.3 Geometry Modifiers Controls

Once some geometry modifiers attribute is added to the object, the gadgets to control its value are displayed in a separate 3Delight Geometry Modifiers frame layout, which appears at the bottom of the Attribute Editor. The gadgets displayed there are identical to their "Geometry Attribute Node" counterpart. Please refer to Geometry for details about the effect of the available geometry modifier attributes.

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