viewport

plural viewports

1. A viewing window.

   acrylic plastic viewports in pressure vessels for human occupancy

2. computer graphicsA typically rectangular region representing the range or area currently visible (within a window, screen, etc.).

   Dragging the scroll-bar changes which part of the picture is visible within the viewport.

present singular third person viewports · participle present viewporting · participle past viewported · past viewported

1. transitivecomputer graphicsTo clip (an image or region) so that it fits in a viewport.

   Some general ideas on clipping, viewporting, and windowing can be found in Rogers and Adams.

   1979, Tutorial: Computer Graphics, page 80

   2 more examples

   Viewporting is an operation that takes the portion of the picture that has been mapped into the square region delimited by -1,+1,-1,+1 and further maps it into a rectangular subregion of the screen (a viewport).

   1980, MTS, the Michigan Terminal System, volume 17, page 42

   The main thing I want you to take away from this chapter is knowing where to start and creating a very simple viewported web site using nothing more than an extra <meta> tag and simple HTML.

   2012, Scott Preston, Learn HTML5 and JavaScript for iOS