Sphere Input Parameters
Parameter Type
Description
The Input parameters for the Sphere effect control a spherical distortion in the image. For more information, see Sphere.
Use of Controls
Amount
Sets the scale of the distortion. Negative values distort the image inward; positive values distort it outward.

Size
Sets the diameter of the circle as a normalized proportion of the vertical size of the image.

X, Y
Sets the center of the effect.

Anti-alias
Sets whether or not transformed areas are smoothed.
  This parameter is not keyframeable.

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