Digital Compositing

Hi

This my 1st post on Digital compositing,
The digitally manipulated combination of at least two source images to produce an integrated result.
From best book on digital compositing "The Art and Science of Digital Compositing" best definition
i ever read. Two type of compositing softwares 1st node based 2nd layer based .
Here some big node based software like Nuke, Fusion, Shake and some layer based softwares
like After effects, Combustion lot of Indian companies using these softwares with both modes.