14.6. Perlin Noise

14.6.1. Oversyn

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. Aktivering

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

14.6.3. Innstillingar

Figur 17.335. «Perlin Noise» filter options

«Perlin Noise» filter options

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

These options are described in Del 2, «Common Features».

Alpha

Low values give sharper noise

Figur 17.336. «Alpha » option examples

«Alpha » option examples

Alpha = 0.300

«Alpha » option examples

Alpha = 3.600


Skalering

Scale of the noise function: works like a zoom.

Z offset

Vary noise.

Figur 17.337. «Z offset» option examples

«Z offset» option examples

Z offset = -1000

«Z offset» option examples

Z offset = 0.900


Iterasjonar

The number of noise octaves.

Iterations = 7