The same basic idea can be used with other motion graphics software such as Adobe After Effects. Heres a description for the After Effects 2023 tutorial on exporting with transparent background (alpha channel), featuring two presets: Quality with alpha and Lossless with. In this tutorial we look at exporting movies from Apple Motion to use in VDMX and including the alpha channel by using the ' Hap Alpha' codec. See our blog post on the Hap codec family for side-by-side performance comparisons of the two. The ' Hap Alpha' codec features a substantially lower data-rate and CPU load than 'Apple Animation', but the image quality isn't as good. Image editors like Photoshop make it easy to create a short animation and export it as a GIF. Ill have to make it as close as possible i guess. Finally, still in the Output Module settings window, under Video Output, click Channels, select RGB + Alpha, and then click OK at the bottom of the window. I took a look at that link, it was quite helpfull with the lens flare example, where it was doubly pre multiplied. You can export with alpha, but youll need to decide if you want your alpha to be premultiplied with your background color.
Most of the standardly available video codecs on OS X do not support alpha channels- when including transparency with QuickTime movies typically 'Hap Alpha' and 'Apple Animation' are the two best choices for use with VDMX. Exporting Video With An Alpha Channel for Transparency in After Effects. Simple answer, you cant export blending modes. Export Alpha Channel Mask: Export a grayscale image of your clipped images. This is particularly useful when you want to create the appearance that one layer is "in front of" other layers behind it, instead of simply blending the two layers together as when using the 'Over', 'Atop' and 'Mix' style composition modes that use alpha channels in this manner. Snappy App: Tired of waiting to see the effects of your edits So were we, so. When exporting movies from other software, often it is an option to include the transparency information known as an alpha channel for each pixel that can be used by VDMX to automatically adjust the opacity of different parts of the image during real-time composition of layers.
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