![]() y - the distance (in pixels) between the bottom edge of the original image and the bottom edge of the crop box.x - the distance (in pixels) between the left edge of the original image and the left side of the crop box.The area of the input image you want to keep. If you cannot see the mask input, ensure that the mask control is disabled or set to none.Ĭhannels from the fg input containing the image to key and composite.Ĭhannels from the bg input to composite over, and to calculate the spill suppression. By default, the Primatte effect is limited to the non-black areas of the mask.Īt first, the mask input appears as triangle on the right side of the node, but when you drag it, it turns into an arrow labeled mask. The foreground, or subject, image to key.Īn optional image to use as a mask. The background image to replace the blue/green screen in the foreground. ![]()
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