The seed is a number that is used to initialize the random generator. A same seed setting will generate the same graphical result.
Seeds can be auto-incremented at each activation using the parameter incrementAtActivation.
This parameter is used in a lot of elements such as every kind of noises (noise
Noise Function
Define a procedural noise function
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,
Noise layer
Generate a possibly animated noise image
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,
Turbulence
Apply a random motion to particles
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).