> For the complete documentation index, see [llms.txt](https://sylvl.gitbook.io/panoramake-release/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sylvl.gitbook.io/panoramake-release/interface-overview/builder-interface/building-masks.md).

# Building Masks

**The mask builder works by toggling filters or/and a noise together, allowing to create a mask that automatically applies the Sub-Layer Material on the terrain.**

The functions described below applies to the whole mask and not the individual filters.

![](/files/4VejFbf8OWU8s3NWnEbA)

<table><thead><tr><th width="108.4000244140625" align="right">Number</th><th width="642.8284737723213">Function</th><th data-hidden></th></tr></thead><tbody><tr><td align="right"><strong>1</strong></td><td><p>Changes how the masks act with the manually drawn areas of the Sub-Layer. </p><p>See <a href="/pages/stwInScmyYIjGFC5U1KY">Manual Sub-Layer Drawing</a> for more information.</p></td><td></td></tr><tr><td align="right"><strong>2</strong></td><td><p>The <strong>"Contrain Mask to Previous Sub-Layer"</strong> options allows you to constrain the Mask of the current Sub-Layer to one or more Sub-Layers, as long as they are under the Sub-Layers being edited and have valid masks.<br><br></p><div><figure><img src="/files/OFa9sFAUpLUSs5zQ0haG" alt=""><figcaption><p>The Sub-Layer 2 (Green) is constrained <br>to the Sub-Layer 1 (Red).</p></figcaption></figure></div></td><td></td></tr><tr><td align="right"><strong>3</strong></td><td><ul><li>Contrasts, Increase/Decrease force of the Sub-Layer mask. <br>The Force multiplies the mask by itself to increase its force.</li><li>The steps values steps down the values instead of letting them smooth if set to a value greater than 0.</li><li>The "Start from white mask" sets the mask to start to 1 instead of 0. </li></ul></td><td></td></tr></tbody></table>

The next page will show in more detail each filters.
