![]() LB_HeightBlend works by modulating the blend factor, or weight, for the layer using the specified height value. This problem is especially prevalent when using the LB_HeightBlend mode for multiple Landscape layers. When using certain combinations of layer blend modes you could end up with black spots all over your Landscape where different layers meet. The result of the layers blended together. This input is only visible on layers that have their Blend Type property set to LB_HeightBlend. This is where you supply a height map to blend with. This input is only available after layers are added and named in the Details panel. The following table details the Layer Blend node inputs and outputs.Įach layer adds an input for the layer to blend together. This is for supplying a numeric value as a height in case you do not want to use a texture. This is mainly used for debugging a layer if there is an issue. This is for supplying a numeric value as a color to use in case you do not want to use a texture. This is the weight value for the layer to preview the blending in the Material Editor. See Landscape Layer Blend Types on this page. The Layer Name corresponds to the layer name used in Paint mode in the Landscape tool window.Įither LB_AlphaBlend, LB_HeightBlend, or LB_WeightBlend. These are what additional layers look like when they are collapsed. You can add layers by clicking the plus icon ( When you add multiple layers to the LandscapeLayerBlend node, the Layer Names populate in the LandscapeLayerBlend node. To add layers to this array, select the plus sign icon. The LandscapeLayerBlend uses an array to store information about the Landscape layers. The LandscapeLayerBlend node enables you to blend together multiple Textures or Material networks so that they can be used as Landscape layers. You can find all these nodes in the Palette menu, under the Landscape category. Inside of the Material Editor, there are six specific nodes that can be used with the Landscape system. Because the other layers are at 0%, the tool has nothing available to replace the 100% layer you are removing, so it appears as if the layer was not changed. This is shown when using the Paint tool to remove a layer that is already at 100%. However, the disadvantage to using alpha blending is that when one layer is painted to 100%, the weight value for all other layers will be 0%. Additionally, when you use alpha blending the alpha layer weight is increased, while other existing layer weights are decreased. Alpha blending is useful because it does not depend on order, so you can paint any layer at any time. Landscapes use weight blending rather than alpha blending, so the blend factors for all layers at any location will add up to 1.0. You modify Materials for use with Landscapes the same way you modify other Materials, in the Material Editor.
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