14.6. Perlin Noise

14.6. Perlin Noise
	14. Renderingsfilter

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

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

Figur 17.339. ”Perlin Noise” filter options

Presets, ”Input Type”, Clipping, Blending Options, Preview, Merge filter, Split view

	Notera
	Dessa alternativ beskrivs i Avsnitt 2, ”Gemensamma funktioner”.

Alpha

Low values give sharper noise

Figur 17.340. ”Alpha ” option examples

Alpha = 0.300

Alpha = 3.600

Skala

Scale of the noise function: works like a zoom.

Z offset

Vary noise.

Figur 17.341. ”Z offset” option examples

Z offset = -1000

Z offset = 0.900

Iterations

The number of noise octaves.

Iterations = 7