keylight after effects 7

The black areas are already completely transparent, the white areas opaque, and the gray pixels constitute the area of lucent objective general knowledge in hindi pdf focus; they're the semitransparent regions.
Figure 12 Thanks to the combination of Stencil Alpha for the background matte and Silhouette Alpha for the foreground, only the crucial part of the mattethe edgeremains.
If necessary, spread this matte to eliminate foreground holes.
Optionally, set the Despill Bias using its eyedropper.You can raise the Screen Shrink/Grow setting (under Screen Matte in Keylight) or apply a Simple Choker effect and lower the Choke Matte to a negative value ( see Figure 11 ).Duplicate this layer (Keylight still applied rename it Background, and solo.Figure 5, this initial result, with a Screen Balance setting of 95 (top seems in Status view to be inferior to a setting of 5 (bottom but a look at the color channel shows the default 95 setting to yield a subtler initial matte edge.The matte has been expanded so that it doesn't touch them, and the layer is set to Stencil Alpha so that the matte is passed through.Don't use it to remove anything like the noise in the lower-left corner of this figure, which is easily solved instead with a garbage matte.Finally, switch to Final Result view and set the layer's blending mode to Stencil Alpha ( see Figure 10 ).Use this setting as sparingly as possible ( see Figure 6 ).For clarity's sake, turn off effects for Edge for the moment.Keylight's Inside nic express 4.0 serial Mask and Outside Mask controls let you draw a mask, set it to None, and then select it as an Inside Mask or Outside Mask.It's an exaggerated view of the alpha channel matte.
To create this layer, follow these steps: In Keylight Status or Combined Matte view (depending on your preference lower Clip White until the foreground is completely opaque.
Figure 9 A garbage matte eliminates the corner noise.




The Apple Shake-based implementation of Keylight adds inputs for a garbage matte and holdout matte.Whether or not you've spread the matte, choke it until it's well outside the foreground edge.The goal with this layer is to create a core matte that fills in all holes inside the matte edge without coming close to overlapping that edge.The use of Keylight in After Effects CS4 is more or less identical to that of previous versions.Figure 1 shows the original image; Figure 2 and, figure 3 show two possible results.) Then you can delete the rest.(I very rarely do this.).Set the background to a bright color and solo the plate layer, or examine the alpha channel by pressing Alt-4 (Mac: Option-4).If the background isn't solid black, you can boost Screen Gain until the gray mostly disappears in Status view, although ideally you shouldn't raise this value at all.Still in Status view, you have the option to try Screen Balance at settings.0, the default.0, and.0, although Keylight will preselect it based on your background color selection.The first decision in Keylight is most important: sampling a color for the Screen Colour setting.Garbage matte any remaining holes in the foreground, hand animating the matte as needed.
The core can be switched back to Normal blending for the final version.
Figure 3, a lighter color selection preserves far more detail.