# Simulation

### Overview

The Simulation Layer distribution creates a selection from a given Simulation Layer. For an overview of how Simulation Layers work, please see [this article](https://docs.world-creator.com/reference/terrain/simulation-layers).

### Parameters

<table><thead><tr><th width="199.7999267578125">Properties</th><th>Description</th></tr></thead><tbody><tr><td><strong>Simulation Layer</strong></td><td>References a simulation layer to create the mask from.</td></tr><tr><td><strong>Range</strong></td><td>Controls the amount of sediment needed to be a part of the mask.</td></tr></tbody></table>

### Results

<div><figure><img src="https://2837684122-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FM6zsxw2jbMYEZbKqEwpa%2Fuploads%2F40tu8PQXvTXlRWh6JkhI%2Freference_distributions_simulation_01.webp?alt=media&#x26;token=fbbea974-c133-408d-8fb0-f604c6944e19" alt=""><figcaption></figcaption></figure> <figure><img src="https://2837684122-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FM6zsxw2jbMYEZbKqEwpa%2Fuploads%2FdBIkdD8iGwoTFCXz51vK%2Freference_distributions_simulation_02.webp?alt=media&#x26;token=afaa9bb1-82c3-4094-9f65-38a9d8145b19" alt=""><figcaption></figcaption></figure></div>


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