Page 513 - ProShow Producer Manual

513

Interactive Fade Lines

When you create modifiers based on functions for individual keyframes,
rather than the entire slide, you may notice that your keyframes will have
fade lines available in the Waveform Preview. These look very similar to
the fade in and fade out lines you can use when editing audio. In practice,
they have a similar function.

The simple description is that you can adjust the “smoothness” of your
function changes by moving the fade lines left or right. Notice that as you
move them the waveform will adjust. This is changing how the function is
interpolated between the keyframes. It can be used to “soften” or adjust
the interpolation to suit the look you want.

Adjusting the fade lines is simple. At the bottom of the Waveform Preview,
with your keyframe selected, you will see a tic marked line with a fade
anchor at the bottom before and after the keyframes. Click on the fade
anchor and drag the fade line left or right to see the change to your
waveform.

Note: fade lines are not available for the very first and very last keyframe on
your slide. These will never display fade lines for adjustment.

Before you begin using modifiers as a regular part of your shows, it’s
important to understand one final piece of them. As you have seen above,
you can use variables from other layer values, or even other modifiers.
What happens when you try to define a variable from the same variable?
You get an undefined value.