Remember, the exact steps may vary depending on the video editing program you\'re using, but the general process should be similar. Once you\'re happy with the new background, you can export or render your video with the green screen replaced. Make any additional adjustments or refinements as necessary.ġ1. Preview your video to see the final result. Simply import the new background and place it on a track below the green screen video clip in the timeline.ġ0. This can be an image or another video clip. If needed, you can also add a new background to replace the green screen. Experiment with these settings until you\'re satisfied with the outcome.ĩ. You may have options to adjust the similarity, transparency, or other parameters to get a better result. Adjust the settings in the Ultra Key controls to fine-tune the keying effect. This will \"key out\" the green color and make it transparent.Ĩ. Click on the color picker or eyedropper tool and then click on the green screen background in your video preview. Look for a color picker or eyedropper tool within the controls.ħ. In the Effect Controls panel, find the \"Ultra Key\" section. Once you\'ve added the Ultra Key effect, you should see its controls and options in the Effect Controls panel, usually located above the timeline or in a separate panel.Ħ. This effect is commonly used to remove green screen backgrounds.ĥ. In the Effects panel, locate and click on the Ultra Key effect. If you can\'t find it, try searching for it in the program\'s menu.Ĥ. Go to the Effects panel, usually located on the right side of the program. Import the video clip with the green screen background that you want to replace. In this example, we\'ll use Adobe Premiere Pro.Ģ. What is most important is what's on the ground, and the reality Stuart Craig created allows for those digital augmentations to feel just as real.To replace a green screen background in a video editing program using the Ultra Key effect, follow these steps:ġ. In the end, the CG candles look totally fine, and considering the ceiling of the Great Hall is an ever-changing CG creation, it all fits together. "I'm sure Chris was more stressed out by it, but as a kid, you're like, 'This is really funny,'" Radcliffe said to the New York Times, but of course, children have never been the best judge of what is safe. Granted, Daniel Radcliffe and the kids weren't too worried. candles.'"Īs much as I love the idea of real candles being used in the Great Hall set, you have to put the safety of your cast - especially a cast of children - first. And then something horrible happened - the flames of the candles started to burn through the clear string holding them and started to drop! We had to get everybody out of the set - and then we shot it two more times, telling ourselves, 'We're just going to add C.G.I. "When all the kids file into the Great Hall for the first time, we see hundreds of floating candles in the air. That is until they became quite a hazard. In the beginning, even those candles were actually physically hanging above the set. And, of course, you have the hundreds of floating candles hovering over it all. It's a set that feels impossibly huge, with four massive dining tables stretching all the way down it to make it look even longer than it is. Nowhere is the power of the physical more evident than in the Great Hall of Hogwarts. A mostly virtual production was basically just for George Lucas' experimentation. Obviously, things are augmented with visual effects, but so much of what is on-screen is actually there.Īfter all, the first film in the series, "Harry Potter and the Sorcerer's Stone" (or "Philosopher's Stone" for you Brits), came out in 2001. Because most big-budget blockbusters now are either filmed in front of a green screen in a parking lot in Atlanta, Georgia, or on a soundstage with a Volume screen and light system, seeing something constructed like Hogwarts - with its massive scope and intricate detail - makes the "Harry Potter" films feel bigger than just about everything else.
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