Perlin noise generates pixels with values that vary between the foreground and background colours, resulting in a cloud pattern. Sometimes known as Clouds or Difference Clouds. It can be used to create realistic looking scaleable textures, including cloud, smoke, and rock or earth-like effects, and is a great way of adding realism to textured areas.
This filter can be found in the Filters panel.
When the filter is applied, the clouds are generated using the currently selected background and foreground colours. The image data on the active layer is replaced.
The following settings can be adjusted on the vertical sliders:
The following settings can be adjusted on the context toolbar: