How to Decimate and Bake Atlas in Unreal Engine

This guide is part of the RapidPipeline 3D Plugin Actions Knowledge Base. It shows how to Decimate and Bake Atlas on Unreal Engine; if you'd like to know more about it, please check out the following links:

• Learn more about the Decimate and Bake Atlas
• Learn more about Unreal Engine

• Use the Unreal Engine Plugin
• Select a part
• Run "Decimate and Bake Atlas" Action
• Examine the results

This tutorial shows how use the RapidPipeline Processor Plugin in Unreal Engine to simplify the geometry of a model with decimation and bake the material and texture information into a new UV atlas. For more information see the Unreal Engine Plugin Documentation.

Decimate and Bake Atlas Action

1. First step is to make sure the RapidPipeline Processor Plugin for Unreal Engine is installed and ready to use.
2. Enable the Plugin inside the Plugin Browser (under Edit / Plugins)
3. Open the Plugin Window by selecting RapidPipeline in the Window drop-down menu.
4. Open the Plugin via the Menu Bar, clicking on RapidPipeline and Load Plugin.
5. Select the model you want to optimize (if no selection is made, the whole scene will be processed).
6. Inside the Plugin window, choose the Action Decimate and Bake Atlas.
7. Press the Run button.

Examine the Results

To properly analyze the topology of your models, enable Wireframe from the Viewport Shading Mode menu. This will display the mesh topology in the viewport.

Furthermore, you can compare the materials and texture count of input and output locating them in the Content Browser. Alternatively, it is also possible to see the material graphs by opening the Material Editor.

Next Steps

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