Transform Group Property Editor

Transform groups are essentially nulls that are parents of a hierarchy. By default, the transform group null is not visible in a 3D view: to make it visible, click the eye icon in a viewport's title bar and select Transform Groups.

To create a transform group: Select or branch-select objects and choose Edit Create Transform Group from the main command panel.

To display: Select a transform group null and press Enter.

Primary Display

Icon

Select from a list of shapes to use for the null's display: None, Null (Default), Rings, Arrow Rings, Box, Circle, Square, Diamond, Pyramid, Pointed Box, or Arrow.

Changing the display shape is especially useful when you're using nulls as control objects in a character rig.

Size

Sets the display size of the null in Softimage units.

When you change this value, the null's accompanying shadow always scales proportionally with it, regardless of the state of the Lock Shadow Size When Scaling option.

Shadow Display

A shadow is a visual reference that makes it easier to see and select the null. When you select the shadow, the null is also selected.

Icon	Select from a list of shapes to use for the null's shadow. These shapes are the same as for the Primary Display Icon.
Color	Sets the color of the shadow. Select the Custom option to set a custom color using the color sliders. The resulting color appears in the color chip. You cannot change the color of the shadow if Wireframe is selected: the standard display color is used.
Position	Offsets (translates) the shadow from the null on the X/Y/Z axes.
Size	Specifies the scale of the shadow. The default value of 1 means a 1:1 ratio with the null.
Lock Shadow Size When Scaling	Keeps the shadow at a constant size when the null is scaled (using the Scale transform commands, not the Size parameter above).

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