Enable Track Matte After Effects

A track matte only applies to the layer directly beneath it.

Enable track matte after effects.

In this tutorial you ll learn how to use luma mattes and alpha mattes inside of after effects. The next thing you will have to do is go to your trkmat column in the layer properties window and enable the track matte on the layer below your matte. Between effects masking the new ish ability for effects to see down the stack and now this new effect matte and soon set matte compositions in ae are becoming a lot less cluttered than before. This process is called parenting and it will ensure that your file is motion tracked along with the null object.

After effects preserves the order of a layer and its track matte after you duplicate or split the layer. Go to layer new solid and use this to create a mask for the wheels or part of the footage you want to remove. Import those background and foreground clips into after effects. Blending modes preserve underlying transparency and track mattes trkmat should now all be available.

If you cannot see this column you may have to click on the toggle mode switches button at the bottom of the screen. Track mattes can help create cool looks in your video project like creating a cut out of your text with the video behind it. Within the duplicated or split layers the track matte layer remains on top of the fill layer. 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.

After effects preserves the order of a layer and its track matte after you duplicate or split the layer. In the tracker panel click track motion. Connect your file to the null object. Both are simple to use but if you re new to the program working with track mattes might not be that obvious.

Go to window tracker and connect the anchor point of the solid to the wheels. In the project pane that s in the lower left corner of after effects click and drag the spiral icon that s right of your file s name onto the null 1 title and then release your mouse.