Generators Series - Fresnel
This component provides a fresnel gradient that used in conjuntion with the Incident component can produce an physically acurate fresnel function for glass and reflective materials.

Tweak Link User Parameter Name Function
Function Parameters
IOR This parameter controls the Index Of Refraction for the fresnel function.
Common Parameters
Amplitude This parameter controls the height or scaling of the wave in the Y axis. The smaller this value the shorter the wave.
  Frequency This parameter controls the period or scaling of the wave in the X axis. The bigger this value the shorter period over which the wave repeats.
Shift This parameter allows the wave to be shifted in the Y axis. That is, the wave can be moved up and down.
Phase This parameter allows the wave to be shifted in the X axis. That is, the wave can be moved left and right.
Lower Clip This parameter allows the bottom of the wave to be clipped or chopped off. As this value is increased it sets a limit below which the wave will be flat.
Upper Clip This parameter allows the top of the wave to be clipped or chopped off. As this value is increased it sets a limit above which the wave will be flat.
  Invert This check box allows the wave to be inverted. When it is enabled the wave will be drawn upside-down.
  Reverse This check box allows the wave to be reversed. Normally the wave is drawn from left to right. However, when this check box is enabled the wave will be drawn from right to left.
  Repeat This check box allows the wave to be repeated. This function only really works when the frequency is greater than one. Then, with this check box enabled, the wave will repeat as many times as specified by the Frequency parameter.
  Triangle This check box allows the wave to be drawn based on a triangle function. When enabled the wave is drawn, mirrored around the Y axis giving a whole new set of possibilities for wave shapes.

Tweak This means the parameter can be tweaked.
Link This means the parameter can be linked.
User This means the parameter can be controlled by the user.
Click on this for more information about that parameter.


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