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. This way, the animator or editor can take decisions on how to create or change an image based on the previous image in the sequence. 2D computer graphics is the computer-based generation of digital images—mostly from two-dimensional models (such as 2D geometric models, text, and digital images) and by techniques specific to them. ... Animation is the illusion of motion created by the consecutive display of images of static elements. ...
In traditional cartoon animation, the individual frames of a movie were initially drawn on paper over a light source. 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. In film, video production, animation, and related fields, a frame is one of the many still images which compose the complete moving picture. ...
In computer software, this effect is achieved by making frames (semi) transparent and projecting them on top of each other. Deluxe Paint was one of the earliest consumer programs to achieve this effect. Disney's Animation Studio (also for the Amiga) was another (it was even codenamed "Onion" as this was a fundamental feature of the software). Deluxe Paint in MS-DOS. Spanish translation Deluxe Paint (DPaint) is a bitmap graphics editor created by Dan Silva for Electronic Arts (EA). ...
Onions have been claimed to cure colds, earaches, and laryngitis and have been used to treat animal bites, powder burns, and warts; like their close relative garlic, they are being studied for other suspected beneficial qualities.
Onions can be used, usually chopped or sliced, in almost every type of food, including cooked foods and fresh salads, and as a spicy garnish; they are rarely eaten on their own but usually act as accompaniment to the main course.
In the English vernacular, "an onion" is a difficult situation, the use stemming from the onion's tendency to irritate or inflame the eyes.
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