Iven Sutherland is considered as a "Father of Computer Graphics" The project sketchpad in 1963 earned him Turing Award in 1968. His sketchpad thesis can be found here: Sketchpad, a Man-Machine Graphical Communication System. He showed through this project that Human-Computer Interaction is possible and the objects on the screen can be applied with Affine Transformations and can be morphed. Thanks to Bill Buxton for uploading this wonderful video.
Following topics are discussed in this presentation: Handling the event types in OpenGL - mouse, keyboard, active and passive motion and reshape Viewport Menus in OpenGL Note: This PPT was taken from https://www.cs.unm.edu/~angel/BOOK/INTERACTIVE_COMPUTER_GRAPHICS/FIFTH_EDITION/PPT/ and modified according to the syllabus needs.
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