Apple Shake 4 Tutorials Manual de usuario descargar pdf (Pagina 22)

22 Chapter 1 Shake Basics

The gray square on the right side of the background node—it’s supposed to be a tiny

text field—indicates that this node is selected for editing in the Parameters tab. So why

is this useful? In a real composite—you’ll have one soon—you’ll often want to adjust a

node while viewing the end result at the final output node in your script.

We mentioned contextual help for screen controls, and this also works to get

information about nodes. As you pass the pointer over a node (no need to click), the

resolution, bit depth, node name and type, and channels are displayed in the Info field

of the Shake window. For example, move the pointer over the FileIn node named

background, and you’ll see that it stores an 8-bit image, with RGB channels, and a

resolution of 720 x 486 pixels.

Displaying Different Channels in the Viewer

Use the View Channel button to toggle the display of different channels in the Viewer.

This is important when you want to check the quality of matte edges or transparencies

in the alpha channel. You’ll also need to view independent R, G, or B channels for many

color-correction operations. For example, click the View Channel button to toggle to

the alpha channel view.

There you see the alpha channel. However, nobody actually uses the View Channel

button. Remember when you right-clicked this button to see the hot keys?

Use the hot keys when the pointer is in the Viewer to quickly view a channel (C, R, G,

B, or A).

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Apple Shake 4 Tutorials Manual de usuario Pagina 22