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When you are exporting a file from Render Queue After Effects will default to the composition background color where transparency exists. To export with the transparency in after effects follow the steps.
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INDEX • Transparency in After Effects Software • Alpha Channel • Transparency and Background Colors in After Effects • Exporting With Transparency in After Effects Step 1: Add to Render Queue Step 2: Add Alpha Channel Step 3: Drag and Drop
In After Effects Software, it is an important aspect of motion graphics because you are going to want to render out graphics elements to use in a video editing app. • With transparency, you can drag and drop the graphics files on top of your video tracks. • Let’s take a look at how to make happen in after effects software.
Video files are made up of red, green and blue channels. • There is a fourth Alpha Channel, but only certain video codecs can include an alpha. • To add a sequence to the Render Queue in after effect software by default it will not include an alpha channel. • It means your graphics will lack any transparency information in the final file. • So how do we properly handle this thing in after effects?
Let's figure out how to view transparency data inside the After Effects software. • As with the exported files, After Effects by default does not show the transparency in the composition panel. • Instead, see the background color of the composition.
For changing the color • Go to Composition > Composition Settings. • To instantly view the transparency in After effects software, click on the Toggle Transparency button at the bottom of the composition panel. • If you want to view individual channels, you will also find a show channel button to the left.
When you are exporting a file from the Render Queue After Effects software will default to the composition background color where transparency exists. • To export with the transparency in after effects follow these steps:
Step 1: Add to Render QueueAdd sequence to render queue. • To do this, Go to Composition > Add to Render Queue. • Step 2: Add Alpha ChannelClick on “Lossless” to bring up the Output Module Settings. • Just “Video Output,” open the channel’s dropdown menu. Select “RGB + Alpha,” then click on OK.
Define where you want the file to output to click then “Render.” • Step 3: Drag and DropYou have a file which includes the corresponding transparency information. • Bring that file in video editing app and drag and drop it over the desired footage.
Now that you know how to include alpha channels in exports, it's time to get back to creating in Adobe After Effects software.