5.13. Bølger

5.13. Bølger
	5. Filtre til forvrængning

5.13.1. Overview

Figur 17.85. Example for the Waves filter

Original image

Filter “Waves” applied with default options and period = 20.0

With this filter you get the same effect as a stone thrown in a quiet pond, giving concentric waves.

5.13.2. Activating the filter

You can find this filter through Filters → Distorts → Waves….

5.13.3. Indstillinger

Figur 17.86. “Waves” filter options

Presets, Preview, Split view

	Bemærk
	Disse indstillinger er beskrevet i Afsnit 2, “Fælles funktioner”.

Center X, Center Y

Move the center of the waves

Amplitude

Varies the height of the waves.

Period

That is wavelength. Varies the distance between the top of waves.

The high default value suits large images. For images of some hundreds pixels wide and high, a lower value, such as 20 in our example, fits better.

Phase shift

This command shifts the top of the ripple.

Aspect ratio

Values less than 1.00 render waves oval, with major axis vertical. Values higher than 1.00 give a major axis horizontal.

Resampling method

These interpolation methods are described in Interpolering.

Clamp deformation

TODO.

Clipping

Dette filter kan resultere i et billede, som er større end det oprindelige. Med standardindstillingen for Justér vil lagets størrelse om nødvendigt automatisk blive ændret. Med indstillingen Klip vil resultatet blive klippet til lagets kanter.