Adobe AFTER EFFECTS CS3 PROFESSIONAL User Manual page 383

AFTER EFFECTS CS3 377
User Guide
Original (left), and with effect applied (right)
Gaussian Blur effect
The Gaussian Blur effect blurs and softens the image and eliminates noise. The layer's quality setting doesn't affect
Gaussian Blur.
This effect works with 8-bpc, 16-bpc, and 32-bpc color.
Original (left), and with effect applied (right)
Lens Blur effect
The Lens Blur effect simulates the blurring of objects not in the focal plane of a camera. The appearance of the blur
depends on the control layer used as a depth map and the iris settings for the simulated camera aperture.
This effect works with 8-bpc and 16-bpc color.
Original (top left), Depth Map layer (bottom left), and result (bottom right)
The control layer from which the depth map is taken.
Depth Map Layer
The channel of the control layer to use as the depth map. Pixels with low values correspond to
Depth Map Channel
low depth (near the camera); pixels with high values correspond to high depth (far from the camera). Select Invert
Depth Map to invert this relationship.
Depth of the focal plane, where pixels are in focus.
Blur Focal Distance
The polygon to use as the iris shape.
Iris Shape