Setting up a Landscape Layer
This is for legacy versions of the Landscape Material Tool before the 2.0 update.
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This is for legacy versions of the Landscape Material Tool before the 2.0 update.
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To begin, select the "New" button under the "Layers" tab.
This will bring up an asset dialog to save a new landscape layer asset.
It is recommended to keep the prefix "LL_" before each layer asset, you may experience issues without this prefix.
Once the new asset has been created the "Layers" tab will now be populated with that asset. and should look similar to this. The main thing to input at this point is the texture samples which have been highlighted.
Once textures have been put into the correct texture inputs, the layer is now setup as a basic landscape layer. However, if you used a channel packed texture as show in the picture above there are some extra steps.
To enable the channel packed texture support on the landscape layer scroll down to your individual texture parameter categories. In this example its using an A/R/M texture which is Ambient Occlusion, Roughness, and Metallic texture combined.
This is the correct setup for the A/R/M texture, you will want to make sure you have enabled "Use Channel Packing" and then select the correct channel packing mask. In this case Ambient Occlusion uses the Red channel and Roughness uses the Green channel. These options are also available under the Height and Specular parameter categories.
Layers are automatically saved when you swap out to a different "Landscape Layer Reference", But they are not automatically saved when you switch between tabs or close the editor.
It is common place to have your texture samples set to the correct compression settings/sampler type:
Each layer can take in a Diffuse, Normal, Height, Specular, Roughness, Ambient Occlusion or a Channel Packed Texture. A good approach to save on texture lookups is to use the Channel Packed Texture for your Height/Roughness/AO, you can use my other plugin to easily pack separated textures into one texture.
At this point this landscape layer is considered ready to use, you should Save the layer. There are much more advanced settings and parameters to go over which are covered in the .