Adobe After Effects CS3 Instrukcja Użytkownika Strona 375

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AFTER EFFECTS CS3
User Guide
370
To show the depth of an object in the Info panel, click the object in the Composition panel or Layer panel using the
Selection tool while the effect is selected.
Maximum Radius How much blur is applied to objects outside the focal plane.
Focal Plane Thickness Determines what depths are in focus on either side of the focal plane.
Focal Bias The higher the value, the more quickly elements drop out of focus with increasing distance from the focal
plane.
See also
About 3D layers” on page 171
Fog 3D effect
The Fog 3D effect simulates fog by behaving as though there is a scattering medium in the air that makes objects look
more diffuse as they get more distant along the z axis.
This effect works with 8-bpc color.
Original (top left), Gradient Layer (bottom left), and with Fog 3D applied (bottom right)
Fog Start Depth Where along the z axis the diffuse scattering begins.
To determine the depth of an object, click it in the Composition panel or Layer panel using the Selection tool while
the effect is selected.
Fog End Depth Where along the z axis the diffusion reaches its maximum.
Scattering Density Determines how quickly the scattering occurs. The higher the value, the more dense the fog
appears from its starting point.
Foggy Background Creates a foggy background (default). Deselect to create transparency at the back of the 3D scene
for compositing on top of another layer.
Gradient Layer (Optional) A grayscale layer to use as a control layer, the luminance values of which apply to fog
density. For example, use the Fractal Noise effect to create a swirling control layer for atmospheric fog. Make sure
that the dimensions of the gradient layer are at least as great as the dimensions of the 3D scene layer.
Layer Contribution How much the gradient layer affects the fog density.
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