To drag an end, move the pointer over it until the pointer changes to a resize pointer, and then drag. You can also drag the ends to lengthen or shorten it. You can drag it to a different spot within the clip, or to a different clip, to reposition it. The green-screen or blue-screen clip appears above the video clip in your project, as shown below. In the contextual menu that appears, choose Green Screen or Blue Screen. In the Event browser, select video (a frame range or an entire clip) that you recorded in front of the green or blue backdrop.ĭrag the selection directly over a clip in your project-it can be video, a solid-color clip, or an animated background clip-and release the mouse button when you see a green Add (+) symbol.
Open the project you want to add the green-screen or blue-screen effect to. This indicates to iMovie what should be cut out when the video is superimposed. Record a moment at the end with the subject out of the frame. If possible, use multiple lighting sources to eliminate shadows on the subject being recorded. The same applies if you’re shooting against blue: the subject of the video shouldn’t be wearing anything blue, and there should be nothing blue in the shot other than the backdrop. Make sure the subject of the video isn’t wearing anything green if you’re shooting against green, and don’t include anything green in the shot other than the backdrop. For paint and cloth, the best green to use is often called “chroma key green.” The best blue is “chroma key blue.” Use a pure, highly saturated color of green or blue for the backdrop. When you record, do the following for best results: Record video in front of an evenly lit, solid bright green or blue backdrop, and then import it into iMovie.
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