Or, you can also delete the current Primatte1 node and insert a new one. To Pull a Key with Primatte (Method 2) 1.Ĭontinuing from the previous example, open the Primatte1 control panel.Ĭlick the “undo” button at the top of the control panel to step back to the previous state of the Primatte1 node. You might, for example, need more control over the transparency of the fins on the goldfish. However, you should also know how to pull and tweak keys manually. For now, let’s keep working with Primatte.Īs you’ve seen, Primatte’s auto-compute option can quickly pull keys on certain images. We need a “free-floating” goldfish, but the reflections in the aquarium glass clearly indicate “captivity.”Ī garbage matte easily removes the reflections, and you’ll learn how to do that later in the section on rotoscoping. Move the time slider to frame 50, and click the Auto-Compute button inside the Primatte1 control panel. The fg connector should be attached to Reformat1. In the project file, locate the node tree labeled “ Keying with Primatte,” and make sure a Viewer is attached to the Reformat1 node.Ĭhoose Keyer > Primatte to insert the keyer between the foreground image and the Viewer.ĭrag the bg connector from Primatte1 to the Reformat2 node, which supplies the background image for this example. To Pull a Key with Primatte (Method 1) 1. The two examples in this section show how to pull a key with the Auto-Compute option (method 1), and also how to manually sample a color from the screen background and build your key from there (method 2). From there, you can easily tweak the settings and generate an acceptable matte. The Primatte keyer includes a quick “Auto-Compute” option that evaluates your image and determines a good baseline key.
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