# Flatten

## **Overview**

The Border Blend filter smoothly interpolates the terrain to a given border height over a custom blend distance.

## **Parameters**

<table><thead><tr><th width="199.7999267578125">Property</th><th>Description</th></tr></thead><tbody><tr><td><strong>Height Offset</strong></td><td>The height of the border.</td></tr><tr><td><strong>Blend Range</strong></td><td>Controls how much the blend will use from the Blend Distance.</td></tr><tr><td><strong>Blend Distance</strong></td><td>The maximum distance of the blend on the terrain.</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%2FLnmpT4Q15FnbRyNgwA2h%2Freference_filters_general_flatten_01.webp?alt=media&#x26;token=77517649-f26e-4c8c-959f-488660ad71dc" alt=""><figcaption></figcaption></figure> <figure><img src="https://2837684122-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FM6zsxw2jbMYEZbKqEwpa%2Fuploads%2FG7TdIinC3sS0SIlzwiif%2Freference_filters_general_flatten_02.webp?alt=media&#x26;token=6dfa7e17-7369-434a-97d8-10f4dd6ea511" alt=""><figcaption></figcaption></figure></div>