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Seams: When the UV gutter size is left at 0, this produces seams when the model is retextured
with the unwrapped texture.
UV Gutter Size: Increase this value to hide seams between faces.
Common Controls
Image and Settings Tabs
The remaining controls for the Image and Settings tabs are common to many 3D nodes.
Their descriptions can be found in “The Common Controls” section at the end of this chapter.
Replace Material 3D [3RPL]
The Replace Material 3D node
Replace Material 3D Node Introduction
The Replace Material 3D node replaces the material applied to all the geometry in the input scene with
its own material input. Any lights or cameras in the input scene are passed through unaffected.
The scope of the replacement can be limited using Object and Material identifiers in the Inspector.
The scope can also be limited to individual channels, making it possible to use a completely different
material on the Red channel, for example.
Since the Text 3D node does not include a material input, you can use the Replace Material to add
material shaders to the text.
Inputs
The Replace Material node has two inputs: one for the 3D scene, object, or 3D text that contains the
original material, and a material input for the new replacement material.
– SceneInput: The orange scene input accepts a 3D scene or 3D text that you want to replace
the material.
– MaterialInput: The green material input accepts either a 2D image or a 3D material. If a 2D
image is provided, it is used as a diffuse texture map for the basic material built into the node. If
a 3D material is connected, then the basic material is disabled.
Basic Node Setup
The Replace Material 3D node is inserted directly after the 3D object or scene whose material you
want to replace. Below, it is used to replace the default material on a Text 3D node with a
chrome shader.
Chapter 893D Nodes 1665
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