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To add this wave deformer, right-click on the "Realwave01" entry in the "Nodes" panel and choose Add Wave > Ocean Statistical Spectrum.

With "Ocean Statistical Spectrum" you are able to create believable ocean surfaces with cresting waves.



With “No” the deformer can be disabled temporarily.


To reduce the influence of a deformer, decrease its weight. Valid settings are between 0.0 (inactive) and 1.0 (full influence).

Time factor

Values greater than 1.0 will accelerate the waves, while values smaller than 1.0 can be used to decelerate them. The advantage is that the waves' speed can be adjusted without changing any other parameter. “Time factor” is dimensionless and works like a multiplier.


The displacement information is stored as a sequence of files and a “Quality” level of 4096 creates a squared image with 4096 x 4096 pixels, for example. In many cases, a level of 512 or 1024 is enough.


The effect of this parameter is only noticed if the length of a wave is close to “Depth”. In these cases you will see a decelerating effect on the wave's dispersion. The unit is metres.

Vertical Scale

This is the wave's maximum height. You normally have to adjust this parameter when you are changing the surface’s “Dimension” value.


With 200, the distribution and scale of the waves will look as if the domain covers an area of 200 m x 200 m:

Level of detail [m] = Dimension [m] : Quality

Let’s assume you have created a surface with a “Quality” of 1024 and a “Dimension” of 400 m. The smallest structures you can observe is

400 m (Dimension) : 1024 (Resolution) = 0.39 m

The parameter is given in metres. When you change “Dimension” you will most probably have to modify “Vertical Scale” and “Choppiness”.

Wind speed

You can enter any positive or negative value, including 0. “Wind speed” has a strong influence on the wave's look. Good values are between 20 m/s and 30 m/s.

Wind direction

This is the wind direction in degrees – positive wind directions are counter-clockwise:

  • 0°: wind comes from the positive X axis.
  • 90°: wind comes from the positive Z or Y axis depending on your → axis setup.
  • The direction of existing “Wind” daemons is taken into account.
Wind alignment

When “Wind alignment” is increased, RealFlow will remove more and more waves – waves which are less perpendicular to the wind direction.

Min Wave Length

Higher values flatten the surface and create fewer ripples. With small “Dimension” values this parameter should be decreased (e.g. to 0.01 or 0.02) in order to get enough detail.

Weight Against Wind

This parameter ranges between 0 and 1. With

  • 0 all waves against the wind are eliminated
  • 1 the amount of waves is not influenced.

This parameter determines the sharpness of the surface waves. High values might create unwanted effects, such as self-intersecting areas. In most cases, values between 0.5 and 1.0 are used.


By changing this value you are able to change waves' initial distribution. All positive and negative integers are accepted.

Repeat U

Displacement maps are seamless and can be tiled with this option. High settings create regular wave patterns.

Repeat V

Displacement maps are seamless and can be tiled with this option. High settings create regular wave patterns.

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