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[Option]
If the Do [Option] checkbox is enabled, then the control for the property itself becomes visible. The
control values of the properties for all upstream objects are overridden by the new value.
Common Controls
Settings Tabs
The Settings tab includes controls common to most 3D nodes. Their descriptions can be found in “The
Common Controls” section at the end of this chapter.
Point Cloud 3D [3PC]
The PointCloud 3D node
Point Cloud 3D Node Introduction
A Point Cloud is generally many null objects created by 3D tracking or modeling software.
When produced by 3D tracking software, the points typically represent each of the patterns tracked to
create the 3D camera path. These point clouds can be used to identify a ground plane and to orient
other 3D elements with the tracked image. The Point Cloud 3D node creates a point cloud either by
importing a file from a 3D tracking application or generating it when you use the Camera Tracker node.
NOTE: A null object is an invisible 3D object that has all the same transform properties of a
visible 3D object.
Inputs
The Point Cloud has only a single input for a 3D scene.
– SceneInput: This orange input accepts a 3D scene.
Basic Node Setup
The Point Cloud 3D node is viewed and connected through a Merge 3D node, integrating it into the
larger 3D scene.
Point Cloud 3D connected and viewed through a Merge 3D
Chapter 893D Nodes 1648
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