You can see some blue spill on the edges of the frog suit. Why don’t we zoom in a little bit here so we can get a closer look at our toddler. Change the output menu back to composite. Now that we keyed our foreground and established a pretty good matte, the next thing we want to do is remove any blue spill that might be reflecting from the blue backing onto our foreground subject. By the way, all BCC filters contain their own help docs, which can be accessed by pressing that button. Those parameters are explained in detail in the BCC Chroma Key help document, which can be launched by pressing the Filter Help button near the top of the Effect Controls. If that isn't the case with your key, BCC Chroma Key offers several tools to help you clean up, adjust, and nail that perfect key. You can see that the white foreground is opaque and the black background is transparent, which means we’ve pulled a pretty good key. This will help you see any problems in the matte that you may have missed when in Output Composite mode. In case you’re curious and you want to view the matte we just created, set the output to Show Matte. We’ll go back to our controls and click Bypass again, and there is our composite in progress. We're going to sample the blue closest to the boy's hairline - since the face will be the focal point, we want that area to be keyed well. Hover over the color swatch until it turns into an eyedropper, grab it, and drag it up to the Effect Preview Monitor. To sample the color, let’s go down to the Color control, which contains a color palette and an eyedropper tool. This will turn off the effect so we can see our bluescreen again. The first thing we want to do, is click the Bypass button, which is located at the top of the Effect Editor controls. So, we’ll sample our blue from the bluescreen. That’s okay, but we want to be more precise than that.
Notice the foreground is already keyed - that was easy wasn’t it? That’s because our key color is set to blue at default. Inside the BCC Keys and Matte category we’ll drag the BCC Chroma Key icon to the foreground track of our multi-layer segment in the timeline. Let’s begin by going to the Effect Palette. We’ll be compositing him over a tiled wall background in the V1 track.
Our foreground is a toddler in a frog suit.
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