Game Development Reference
In-Depth Information
Figure 6.83 The fi nal results with
the Leave Color effect.
The other properties, which are similar to what we saw with the
Change Color and Change to Color effect, can help you to tweak
the results if needed (Fig. 6.83).
The Levels Effect
And now, we come to what is perhaps the most commonly
used luminance adjusting effect. The Levels effect is quick and
easy, and has a histogram, which gives us information about the
luminance values in our footage. Although the Curves effect gives
us more control when correcting color, the ease of use and the
histogram that the Levels effect offers makes it one of the stan-
dard go-to effects in After Effects.
To follow along, open the Levels and Curves.aep project from
the Chapter 6 folder. We used the same project earlier in this
chapter when we looked at the Curves effect. We'll be using the
same project for both effects so that you can see more clearly
which tasks are easier to tackle with which effect. We'll start in the
sea lions comp. This is a perfect candidate for the Levels effect
because it lacks pure white and pure black, as well as any shadow
data. Apply the Levels effect to the sea lions layer (Fig. 6.84).
After doing that, look at the chart, called a histogram, in the
Effect Controls panel. From left to right, this chart represents the
dark to light gradation of colors in the image. As a reference, you
can use the gradient bar immediately beneath the histogram.
Note that you might need to expand the Effect Controls panel
to see all of the histogram and gradient, as they're rather wide.
The height of the graph represents the amount of that particular
tone in the image. As you can see in Fig. 6.85, the left side of the
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