# Perlin Noise

## Overview

This filter generates a noise texture using the Perlin Noise algorithm. Results don't depend on the image you opened.

Filter applied with default options: Alpha=1.200 Scale=1.800 Z offset=-1.000 Iterations=3

## Activating the Filter

This filter is found in the main menu under Filters Render Noise Perlin Noise… .

## Options

Perlin Noise filter options

Presets, Input Type, Clipping, Blending Options, Preview, Split view
Alpha

  Low values give sharper noise

  Alpha option examples

  Alpha = 0.300

  Alpha = 3.600

Scale

  Scale of the noise function: works like a zoom.

Z offset

  Vary noise.

  Z offset option examples

  Z offset = -1000

  Z offset = 0.900

Iterations

  The number of noise octaves.

  Iterations = 7

Filters Render Perlin Noise
Grid Perlin Noise