Twirl – Apple Motion 4 User Manual
Page 1012

This filter causes rasterization in 3D groups.
Original image
Target applied
Parameters in the Inspector
Center:
Sets the position of the center of the target.
Angle:
Sets the angle of the line used to select pixels for the bands of circles in the target.
Mix:
Sets what percentage of the original image is blended with the filtered image.
HUD Controls
The HUD contains the following control: Angle.
Twirl
Twirls an image like a fork twisting a plate of spaghetti. The image appears to stretch
from the sides to the center around in a spiral. The amount of spiraling is determined by
the Twirl parameter.
This filter causes rasterization in 3D groups.
Original image
Twirl filter applied
Parameters in the Inspector
Amount:
Sets the radius of the twirl. Larger values affect more of the image. Values range
from 0 (none of the image is affected) to 1.00 (largest amount of the image is affected).
1012
Chapter 16
Using Filters