RGBA Merge


  • Where to find it: (This Node is available in the Nodegraph only)


    • NodeGraph / Right Mouse Click / Add Nodes / Channels /





RGBA Merge allows you to combine 4 unique inputs into a single RGBA Output, sometimes referred to as 'Packed Channels'.

Packed Channels are channels that contain different information in the Red, Green, Blue and Alpha Channel.


A sample usage could be your Roughness Channel in RED, a Metalness Channel in GREEN, Ambient Occlusion in BLUE etc.

This allows a reduction in amount of texture files and memory used .


The node is the nodegraph equivalent to the Add Packed Channel Tool in the Channel Palette


Video


Node Overview


Node Ports


  • R

The information from a node connected to this port will be mapped to the Red Channel of the Output


  • G

The information from a node connected to this port will be mapped to the Green Channel of the Output


  • B

The information from a node connected to this port will be mapped to the Blue Channel of the Output


  • A

The information from a node connected to this port will be mapped to the Alpha Channel of the Output

Node Properties


  • Input uses

You can specify for each Node Connection, what color channel should be mapped to the output.


In the above example the Node will always use the Red Channel of anything connected to the various

Node Ports (R,G,B,A) and transfer the information from that channel into the target color channel of the Node Output.





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