Onion skin of frame 7 of this image showing previous 3 frames

Onion skinning is a 2D computer graphics term for a technique used in creating animated cartoons and editing movies to see several frames at once. 2D computer graphics is the Computer -based generation of Digital images mdashmostly from two-dimensional models (such as 2D geometric models text and digital The bouncing ball animation (below consists of these 6 frames This way, the animator or editor can make decisions on how to create or change an image based on the previous image in the sequence.

In traditional cartoon animation, the individual frames of a movie were initially drawn on thin onionskin paper over a light source. A film frame, or just frame, is one of the many single photographic images in a motion picture. Onionskin or onion skin is a thin light-weight strong often translucent Paper. The animators (mostly inbetweeners) would put the previous and next drawings exactly beneath the working drawing, so that they could draw the 'inbetween' to give a smooth motion. Tweening, short for in-betweening is the process of generating intermediate frames between two images to give the appearance that

In computer software, this effect is achieved by making frames translucent and projecting them on top of each other. Deluxe Paint was one of the earliest consumer programs to achieve this effect. Deluxe Paint ( DPaint) is a Bitmap graphics editor originally created by Dan Silva for Electronic Arts (EA Disney's Animation Studio (also for the Amiga) was another (it was even codenamed "Onion" as this was a fundamental feature of the software). The Amiga is a family of Personal computers originally developed by Amiga Corporation.

See also

• CinePaint
• Adobe Flash

External links

• Onion Skinning in I Can Animate

• Onion skinning in iStopMotion