Viewport
From Wikipedia, the free encyclopedia
A viewport is a rectangular region in computer graphics. It has several definitions in different contexts:
- In 3D computer graphics it refers to the 2D rectangle used to project the 3D scene to the position of a virtual camera.
- With respect to virtual desktops, the viewport is the visible portion of a 2D area which is larger than the visualization device.
- In Manufacturing it refers to hermetically sealed optical components which are typically used for visual or broad band energy transmission into and out of vacuum systems. Single and multi-layer coatings can be added to viewports to optimize transmission performance. All viewports are suitable for UHV applications. They describe where the selected object portion resides inside a window.
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