Track mattes in adobe after effects.
Text layer track mat ae.
How to use track mattes in adobe after effects.
The layer being tracked must be a track matte an adjustment layer or a layer with a source that can contain motion.
After effects preserves the order of a layer and its track matte after you duplicate or split the layer.
Within the duplicated or split layers the track matte layer remains on top of the fill layer.
Plus you can add effects to the text layer or even change the font while keeping your animation in tact.
Connect your file to the null object.
The track matte looks at the layer above.
Select the video layer and change the trkmat pulldown from none to alpha matte music the name will be the layer on top.
In the following example i simply added a few shapes onto my new layer.
So simple in fact that adobe after effects has track matte functionality built into the timeline window of its interface.
For example you can use a text layer as a track matte for a video layer to allow the video to only show through the shapes defined by the text characters.
Http bit ly epidemic sound check out my presets.
Follow me on instagram.
The video is now inside the text layer and the background is black the eye will disappear for the text layer and a icon appears telling you that the text is now acting as a matte.
For example if your project contains layers a and b where a is the track matte and b the fill layer duplicating or splitting both of these.
In some ways track mattes may sound complicated but when put into practice they re rather simple.
This process is called parenting and it will ensure that your file is motion tracked along with the null object.
All presets http.
The underlying layer the fill layer gets its transparency values from the values of certain channels in the track matte layer either its alpha channel or the luminance of its pixels.
However you can add a track matte to the top layer to control its opacity.
Instead use the text layer s alpha channel as a track matte and you can animate the text in its entirety.
First you will need to add a new layer directly on top of the layer you want to use it as a matte for.
Text shapes a video or another composition.
The mask tracking analysis searches for content inside the mask.
This layer can be anything you want.
