Positioning 3D Nodes

T-SBADV-011-016

You can select sub-objects in a 3D model and change their position, angle and size.

Transformations done on a 3D model's sub-object are relative to the 3D model itself. This means that the sub-object will follow the 3D model if it moves and will be subjected to the same rotations and size transformations as the 3D model.

Transforming a 3D sub-object works the same way as transforming a 3D object. The key difference is in selecting the sub-object. If you merely click on a 3D Model in the Stage or Camera view, you will select the whole 3D model. Using the 3D Graph view, you can see all the sub-objects in the selected 3D model and select the sub-objects you want to manipulate.

You can also select sub-objects in the Stage or Camera view by holding Ctrl (Windows) or ⌘ (macOS), but it may be difficult to select the right sub-object when they are placed in a hierarchy.

NOTE: While a 3D model can be animated, transformations on 3D sub-objects are static. If you need to animate a 3D sub-object, you must separate it from its model to make it into its own 3D model—Separating 3D Sub-Objects for Animation.

How to add the 3D Graph view to your workspace
  1. Do one of the following:
    • In the top-right corner of any existing view in your workspace, click on the Add View button and select 3D Graph.
    • In the top menu, select Windows > 3D Graph.
  2. To display a 3D model's sub-nodes in the 3D Graph view, select this 3D model in the Stage, Camera or Layers view.

How to select an individual sub-object in the 3D object
  1. In the Tools toolbar, select the Layer Transform tool.
  1. In the Stage, Camera or Layers view, select the 3D model containing the sub-object you want to transform.
  1. Select the sub-object you want to transform by doing one of the following:
    • While holding Ctrl (Windows) or ⌘ (macOS), click on the sub-object in the Stage or Camera view.
    • Select the sub-object in the 3D Graph view.
    TIPS:
    • Some sub-objects do not have geometry, and are represented with a peg icon in the 3D graph view. Those objects only serve as parents of other sub-objects with geometry, represented with a drawing icon in the 3D Graph view. Since those objects have no visible component, you have to use the 3D Graph view to select them. To help find these objects in the 3D Graph, you can select one of the object's visible children in the Stage or Camera view, then select that sub-object's parent in the 3D Graph view.
    • To select multiple sub-objects in the Camera and Stage view, hold Ctrl + Shift (Windows) or Shift + ⌘ (macOS) and click on each sub-object you want to select.
    • To select multiple sub-objects in the 3D Graph view, hold Ctrl (Windows) or ⌘ (macOS) and click on each sub-object you want to select, or hold Shift and click on the first sub-object that you want to select.
    • To select a series of sub-objects in the 3D Graph view, hold Shift, click on the first sub-object you want to select, then on the last sub-object you want to select. Every sub-object in-between will be selected, inclusively.

    The selected sub-object will appear in green, and the 3D manipulator will be centered on the selected sub-object.

TIP: If you need to select a 3D sub-object that does not appear in the 3D Graph view, click the Menu button in the 3D Graph view and select Extended Mode.

  1. Using the controls of the 3D transformation manipulator in the Stage or Camera view, set the position, angle and scale of the selected sub-object. For information on how to use the 3D transformation manipulator, see Positioning, Rotating and Scaling 3D Objects.

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Time Estimated 5 mins

Difficulty Level Intermediate

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