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The result of lights on the text in one Merge3D node not affecting the cone and taurus added in a downstream
Merge3D node (left). Turning on Pass Through Lights in the upstream Merge3D node results in those lights also
illuminating the downstream shapes (right).
Transforming Merge3D Scenes
Each Merge3D node includes a Transform tab. These transform parameters adjust the position,
scale, and rotation of all objects being combined within that Merge3D node together, including
lighting and particles. All transformations take place around a common pivot point. This forms
the basis of parenting in the 3D environment.
The Transform tab of a Merge3D node.
If you transform a Merge3D node that’s connected to other Merge3D nodes, what happens
depends on which node you’re transforming, an upstream node or the downstream node:
If you transform a downstream Merge3D node, you also transform all upstream nodes
connected to it as if they were all a single scene.
If you transform an upstream Merge3D node, this has no effect on downstream
Merge3D nodes, allowing you to make transforms specific to that particular node’s
scene.
Chapter – 76 3D Compositing Basics 1541