14.6. Perlin Noise

14.6.1. 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

14.6.2. Activating the filter

This filter is found in the image window menu under FiltersRenderNoisePerlin Noise….

14.6.3. Options

그림 17.328. Perlin Noise filter options

Perlin Noise filter options

Presets, Preview, Split view, Use selection as input
[참고] 참고

These options are described in 2절. “공통 특징”.

Alpha

Low values give sharper noise

그림 17.329. Alpha option examples

Alpha option examples

Alpha = 0.300

Alpha option examples

Alpha = 3.600


Scale

Scale of the noise function: works like a zoom.

Z offset

Vary noise.

그림 17.330. Z offset option examples

Z offset option examples

Z offset = -1000

Z offset option examples

Z offset = 0.900


Iterations

The number of noise octaves.

Iterations = 7