Z of a camera. You can use any channel you want.
Note
Foreground and Background Curves
When you add selected curves to the Curve Bin, you can see them in the Curve Window
and view them as either foreground or background curves. Curves that are selected in the
Curve Bin will become editable foreground curves in the Curve Window; conversely, the
curves unselected won??™t be editable background curves.
Working with foreground and background curves has its benefits. You can interactively cut
and paste keyframes from one curve to another. You also can replace an entire curve with
another, or lock areas of curves together. By having multiple curves selected when you create
keys, the curves can be identical at those selected areas during an animation.Additionally, you
have the capability to compare one curve to another, such as a light intensity to the H rotation
of a camera. If you remember how Chapter 1, ???LightWave v9 Modeler,??? talked about
using layers both for reference and as a tool, the same can be said for foreground and background
curves in the Graph Editor. This next tutorial demonstrates some of these features.
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