Compositing CGI with Bigger Node Trees - Nuke 101: Professional Compositing and Visual Effects - page 94

of the better multilayer file formats out there is called OpenEXR. It can support up to
1023 channels, is a 32-bit float format (meaning it doesn't clip colors above white and
below black), and can be saved in a variety of compression types. 3D applications are us-
ing this file format more and more. Luckily, Nuke handles everything that comes in with
OpenEXR very well.
Bringing in a 3D render
To start the project, you will bring in a 3D render from your hard drive (files copied from
this topic's disc).
1. Using a Read node, bring in chapter03/lemming/lemming.####.exr.
2. Connect Read1 to Viewer1 by selecting Read1 and pressing 1 on the keyboard.
3. Press the Play button in the Viewer to look at the clip you brought in. Let it cache
by allowing it to play once; it will then play at normal speed.
4. Click Stop and use the Timebar to go to the last frame: 143 ( FIGURE 3.1 ).
Figure 3.1. A 3D render of an Adrenalin Lemming.
Note
This shot in Figure 3.1 is part of a short film by Crew 972 called
Adrenalin Lemmings. Adrenalin Lemmings are just like ordinary
lemmings, except they like extreme sports. You can (and should!)
view the whole thing here: www.crew972.com .
5. By pressing Ctrl/Cmd-S, save your script (Nuke project files are called scripts,
remember) in your student_files folder. Name it chapter03_v01.