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Ivan sutherland sketchpad12/27/2023 Ivan Sutherland created Sketchpad, a groundbreaking computer software. It also had the ability to alter an image that had already been drawn. It was simpler to design very accurate and repetitive drawings using Sketchpad. Sketchpad was a one-of-a-kind technology that aided in the understanding of processes such as the concept of links, which could be conveyed visually. Drawing scientific, mechanical, mathematical, electrical, and animated designs was a breeze using Sketchpad. The system had input, output, and computation routines that enabled it to decode data drawn directly on a computer screen. It was a "live" computer that was used to test the use of surface-barrier transistors in digital circuits.ĭrawing was used as the computer's unique interaction medium in Sketchpad. Sketchpad was based on the revolutionary Lincoln TX-2 computer, which was released in 1956. This ring structure provided immediate topological information processing, which eliminated the need for any searching. The drawings created using Sketchpad were saved in the computer's custom constructed ring structure. It offered the "ring" list structure and used value inference to solve constraints. Sketchpad allowed users to draw on a computer screen with a light pen. Sketchpad also has certain CAD functions, such as the ability to calculate loads on beams. It could handle restrictions for example, drawing a restricted ellipse resulted in a circle. Ivan Sutherland released Sketchpad on December 7, 1963, demonstrating that computer graphics can be used for both technical and aesthetic applications in addition to being a revolutionary technique of Human Computer Interaction.
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