trace the areas of live action frames where computer graphics will overlap or interact with live images.
This creates clear areas (mattes) within the frame to allow all elements of the scene to be layered convincingly.
This enables Compositors to combine all the various elements accurately. Should have respect for the procedures and requirements of a particular studio, production or pipeline Requirements
Experience Artists should have Good knowledge in Photoshop, Mocha, Silhouette and Nuke
Trainees need experience in Photoshop.,