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Exporting Post Process Material
You can export post-process material data into the Reality API. By using post-process materials, you can render your post-process material on a POST-PROCESS node in Reality API. You can create several post-process materials and combine them into Post Process node.

Implementation

  • To create a new post-process material, Click ADD NEW → MATERIALS & TEXTURES → MATERIAL. You can rename the material.
  • Double click on material that you created. On Details panel, click Material Domain and select Post Process.
  • Right click into graph and search for constant. Click the Constant to create.
  • Click constant. Set constant value to 0.3
  • Connect the output pin of the Constant to the Emissive Color input of the CustomPostProcessMaterial node
  • Click EDIT → PROJECT SETTINGS
  • Scroll down, click Exports under the Reality tab.
  • Click on the ➕ button under Post Process Materials, expand the index. Select post-process material that you created. You can give an export name for your post-process material.
  • Launch the Reality Setup.
  • Click Play on Reality Editor.
  • Open the nodegraph. Click CREATE → UE RENDER → POST PROCESS MATERIAL
  • Click POST PROCESS MATERIAL node. Expand the MATERIAL property and select the material you created
There are several custom post-process materials already defined. (RealityDistort, RealityBypass, RealityTonemapper)
  • Click ADD MATERIAL on POSTPROCESS node.
  • Connect the OUTPUT pin of the POSTPROCESS MATERIAL into MATERIAL input pin of the POSTPROCESS node

Conclusion

We learned how to create a new post-process material on Reality Editor and how to set it up in Reality API. Post-process materials are useful to render any POSTPROCESS node.
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