X2

Titles and effects 113
In all black parts of the alpha-keying object, the top video is faded in, while in all white
passages the bottom video is shown. Grey passages are permeable for both videos and
create a mixture of the two. In the case of colored passages, the brightness of the color is
used for control purposes.
Video level: The video level essentially changes the brightness of the video before other
video effects are applied. This can have significant influence on the effects, especially in
case of chroma keying. The effect can be automated; read about this in the chapter
"
Animating objects (view page 147)".
Artistic filter
Erosion: The image is broken up by means of small rectangles and resembles a
"patchwork".
Dilate: The image is broken down into cell-like elem nts.
capes and green faces.
at the
of colors is reduced. This creates impressive grids and patterns.
age is reduced to its contours in two sizes (3 x 3 or 5 x 5); vertical or
Whirlpool: The image is twisted into an "S" shape.
viewed through a fisheye lens.
Mosaic: The video is depicted as a mosaic.
Lens: The image is dynamically distorted at the edges.
Sand: The image is depicted in a granulated manner.
e
Emboss: The edges are strongly highlighted.
Substitution: Using the rainbow scale red, green, and blue parts are exchanged. Quickly
create surreal lands
Shift: The color values are increasingly inverted. Blue colors turn red; green ones appear
purple.
Quantize: Depending on the setting, colors are either rounded up or down so th
overall number
Color fill: Using this slider, you can color in your video using red, green and blue colors (the
basic TV colors).
Contour: The im
horizontal contours may be selected.
Distortion
Motion: Moving parts of the image are enhanced and warped.
Echo: The moving images create an optical "echo"; previous images stand still and
gradually turn paler until they completely disappear.
Fisheye: The perspective is distorted as if the image were