1. COMPOSITING USING BLUE AND GREEN SCREENS  http://www.youtube.com/watch?v=NPoHPNeU9fc http://www.youtube.com/watch?v=NPoHPNeU9fc  Background filmed or created using CGI  Film the actor  Silhouettes are made (white and black)  There should now be 4 layers of film  The Four layers are combined to make a ‘composite’  The black silhouette is placed on the background creating a ‘hole’  The image of the actor is placed into this ‘hole’

2. CGI HOW?  Post production  Develop a wireframe of a 3D object  Render the wireframe  Animate using keyframing  Motion capture  Actor wears markers  Computer tracks the markers  http://www.youtube.com/watch?v=ePzOShBS9uU http://www.youtube.com/watch?v=ePzOShBS9uU

3.  Rotoscoping  Animators trace over live action film frame by frame.  Used to recreate live action (mimic)  http://www.youtube.com/watch?v=TY5PpGQ2OWY http://www.youtube.com/watch?v=TY5PpGQ2OWY  The movie was filmed digitally and then animated using interpolated rotoscope

4. CGI  With more and more films using special effects have directors come to rely on them?  Is CGI overused?  Do we expect this from a film nowdays?