### 5.15. Bølger

#### 5.15.1. Overview

Figur 17.97. 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.

#### 5.15.2. Activating the Filter

This filter is found in the main menu under Filters → Distorts → Waves….

#### 5.15.3. Indstillinger

Figur 17.98. “Waves” filter options

Presets, “Input Type”, Clipping, Blending Options, Forhåndsvisning, Merge filter, 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

  This limits the deformation in the image area. When this is disabled you seem to get transparent or black areas (depending on whether the layer has an alpha channel or not). When enabled, these areas will keep their normal color.

5.14. Video Degradation |  | 5.16. Hvirvel og knibning

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