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### 12.3. Solid Noise

#### Overview

Example of turbulent solid noise.

This filter is found in Image>Filters/Render/Clouds/Solid Noise...

Solid Noise is a great texture maker. Note that this noise is always gray, even if you applied it to a very colorful image (it doesn't matter what the original image looks like -- this filter completely overwrites any existing background in the layer it is applied to). This is also a good tool for creating displacement maps for the plug-in or for the plug-in. With the "turbulence" setting active, the results look quite a bit like real clouds. An example is shown below.

#### Options

Random Seed

  Random Seed controls the randomization element. The Randomize checkbutton will set the seed using the hardware clock of the computer. There is no reason to use anything else unless you want to be able to repeat the exact same pattern of randomization on a later occasion.

Turbulent

  If you check this, you'll get very interesting effects, often something that looks much like oil on water, or clouds of smoke, or living tissue, or a Rorschach blot.

Detail

  This controls the amount of detail in the noise texture. Higher values give a higher level of detail, and the noise seems to be made of spray or small particles, which makes it feel hard. A low value makes it more soft and cloudy.

Tileable

  If you check Tileable, you'll get a noise which can be used as tiles. For example, you can use it as a background in an HTML page, and the tile edges will be joined seamlessly.

X and Y Size

  These control the size and proportion of the noise shapes in X (horizontal) and Y (vertical) directions (range 0.1 to 16.0).

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