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Height Filter restricts spawning to a specific elevation range. Objects outside the defined height range will not spawn. The edges of the range can be softened with a falloff gradient so the transition isn’t sharp.

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Settings

  • Blend Mode — how this filter combines with the previous mask in the stack. Multiply narrows the spawn area; Add expands it. The first filter in the stack always uses Multiply automatically.
  • Min Height / Max Height — the height range (in world units) within which spawning is allowed.
  • Height Falloff Type — controls how the edges of the height range blend to zero:
    • Add — adds a fixed distance on each side of the range. The larger the value, the wider the gradient.
    • Hard — no falloff; the mask has a sharp cutoff at the min and max heights.
  • Height Falloff Min Max — when enabled, you can set separate falloff distances for the lower and upper edges of the range. When disabled, a single falloff value applies to both.
  • Min Add Height Falloff — falloff distance applied below Min Height (only when Height Falloff Min Max is enabled). Default is 30.
  • Max Add Height Falloff — falloff distance applied above Max Height (only when Height Falloff Min Max is enabled). Default is 30.
  • Add Height Falloff — unified falloff distance applied to both edges (only when Height Falloff Min Max is disabled). Default is 30.