4.17. Waves
| 4. 扭曲滤镜 |

### 4.17. Waves

#### 4.17.1. Overview

图 17.82. Example for the Waves filter

Original image

Filter “Waves” applied

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

#### 4.17.2. Activating the filter

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

#### 4.17.3. Options

图 17.83. “Waves” filter options

Preview

  All your setting changes will appear in the Preview without affecting the image until you click on OK. Don't keep Preview checked if your computer is too slow.

Mode
  Smear

    Because of the waves, areas are rendered empty on sides. The adjacent pixels will spread to fill them.

  Blacken

    The empty areas will be filled by black color.

Reflective

  Waves bounce on sides and interfere with the arriving ones.

Amplitude

  Varies the height of waves.

Phase

  This command shifts the top of waves.

Wavelength

  Varies the distance between the top of waves.

4.16. Video |  | 4.18. Whirl and Pinch

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