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A face of a polyhedron is a planar polygon bounded by straight line segments, called edges. Curved surfaces are usually approximated by a polygon mesh . Computer programs for line drawings of opaque objects must be able to decide which edges or which parts of the edges are hidden by an object itself or by other objects, so that those edges can ...
[citation needed] When referring to line rendering it is known as hidden-line removal. [citation needed] Hidden-surface determination is necessary to render a scene correctly, so that one may not view features hidden behind the model itself, allowing only the naturally viewable portion of the graphic to be visible.
In wire-frame rendering, back-face culling can be used to partially address the problem of hidden-line removal, but only for closed convex geometry. A related technique is clipping, which determines whether polygons are within the camera's field of view at all.
'Be wary:' FBI warns shoppers of holiday scams as Black Friday, Cyber Monday sales kick off Shoppers spent $11.3 million online every minute between 10 a.m. and 2 p.m., according to the sales ...
Use Face, Fingerprint or PIN to sign in to AOL Entering a password to sign in to your AOL account can sometimes feel like a hassle, especially if you forget it. If your smart device is enabled with biometric authenticators like a fingerprint sensor or facial recognition technology, you can sign in with ease.
SketchUp is a 3D modeling software that is used to create and manipulate 3D models. It is used in architecture and interior design.. SketchUp is owned by Trimble Inc. The software has a free web-based version, and three paid subscriptions to gain access to applications for Windows and macOS.
One day after special counsel Jack Smith moved to dismiss both his cases against President-elect Donald Trump, the U.S. Court of Appeals for the Eleventh Circuit complied by dropping Trump from ...
A woman accused of sneaking onto a Delta Air Lines flight from New York to Paris was arraigned last week and charged with knowingly stowing away aboard an aircraft without consent. Svetlana Dali ...