Apple D3423Z/A Fiche technique télécharger pdf (Page 15)

Product Overview

Shake 4

Open and Customizable

Architecture

Shake 4 supports the most complex workﬂ ows and sophisticated projects. Using the

power of scripting, Shake 4 artists can control every parameter of the program to

accomplish anything from creating custom e∂ ects to automating repetitive tasks.

Scripting

Shake 4 projects are called scripts because they are essentially text ﬁ les saved out in

ASCII format. Scripts are extremely ﬂ exible and easy to modify, even without launching

Shake 4. For example, if a user has a very large script that looks at image A, but the 3D

artist has just made a new version for that image, calling it image B, the user can sim-

ply open the script in a text editor and change the reference from image A to image B.

The script goes beyond just image pointers to providing a text-based command for

every operation that exists in Shake 4. Most Shake 4 functions can be accessed directly

in the Mac OS X Terminal application by typing in commands.

A simple command in the Terminal can quickly take a series of TIFF images, apply a

mask, and place it over a background image for 35 frames. The result could launch

into a RAM player, or the user could write the ﬁ le out to disk. This scripting capability

means that simple repetitive tasks can be done quickly without having to open up

the application, import the images, create a tree, and then render.

Expressions

Any parameter in Shake 4 can be a mathematical expression that drives the modiﬁ ca-

tion or animation of other nodes. Expressions allow you to modify multiple parts of a

composite simultaneously or create sophisticated animations that would otherwise be

unrealistic to create by hand (for example, a random ﬂ ickering on a function that con-

trols brightness). Although not the most user-friendly part of any program, the ability

to use expressions can save hours of time when modifying complex composites.

Macros

Creating custom e∂ ects doesn’t have to require programming experience. Macros

can be created inside the interface and modiﬁ ed by hand. Macros are created by

combining Shake 4 nodes so they act as a single node that is compiled on the ﬂ y,

which makes using them fast and ﬂ exible. The Shake 4 user community posts hun-

dreds of macros at www.highend2d.com/shake that can be downloaded for free.

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Apple D3423Z/A Fiche technique Page 15