14.6. Perlin Noise

14.6.1. Visão geral

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. Ativar o filtro

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

14.6.3. Opções

Figura 17.335. Perlin Noise filter options

“Perlin Noise” filter options

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

These options are described in Seção 2, “Common Features”.

Alpha

Low values give sharper noise

Figura 17.336. Alpha option examples

“Alpha ” option examples

Alpha = 0.300

“Alpha ” option examples

Alpha = 3.600


Escala:

Scale of the noise function: works like a zoom.

Z offset

Vary noise.

Figura 17.337. Z offset option examples

“Z offset” option examples

Z offset = -1000

“Z offset” option examples

Z offset = 0.900


Iterações

The number of noise octaves.

Iterations = 7