Simplygon 10.3.5200.0

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Reduction interfaces ​

Simplygon has support for Unreal Engine's built-in reduction interfaces for Static- and Skeletal Meshes. For these to work you will have had to enable them using either the UI or the project settings, see the Getting started guide.

NOTE

The Reduction settings and their default values that are used in these interfaces does not fully match the feature set of Simplygon. We do therefore highly recommend you to have a look at the LOD Recipe feature for creating your LODs instead.

Skeletal Mesh reduction interface example ​

Make sure you have set the Skeletal Mesh Reduction Module to Simplygon, see Getting started to learn how.

Open the Skeletal Mesh in the Skeletal Mesh Editor and navigate to the LOD Settings section in the Asset Details panel.

image showing the Number of LODs setting
Figure 1: LOD settings of a Skeletal Mesh.

Change the Number of LODs setting to the desired number of LODs and click Apply Changes to run the process.

You can then go into each separate LOD's section and edit the Reduction Settings to fine-tune your LOD.

image showing the skeletal mesh reduction settings
Figure 2: Skeletal Mesh Reduction Settings

NOTE

To be able to give you a better first time experience we've decided to override Recompute Normal and Welding Threshold to the following values under the hood.

  • Recompute Normal = false
  • Welding Threshold = 0.0

If you want to test changing these settings, you can remove the override by going into the Simplygon Plugin settings and unchecking Override Native Interface Settings.

Don't forget to click Regenerate LOD in case you do any changes.

For more information regarding the Skeletal Mesh LOD generation and its settings, see the Unreal Engine documentation.

Static Mesh reduction interface example ​

Make sure you have set the Static Mesh Reduction Module to Simplygon, see Getting started to learn how.

Open the Static Mesh in the Static Mesh Editor and navigate to the LOD Settings section in the Details panel.

image showing the Number of LODs setting
Figure 3: LOD settings of a Static Mesh.

Change the Number of LODs setting to the desired number of LODs and click Apply Changes to run the process.

You can then go into each separate LOD's section and edit the Reduction Settings to fine-tune your LOD.

image showing the static mesh reduction settings
Figure 4: Static Mesh Reduction Settings

Don't forget to click Apply Changes to regenerate your lod in case you do any changes.

For more information regarding the Static Mesh LOD and its settings, see the Unreal Engine documentation.