PLY is a computer file format known as the Polygon File Format or the Stanford Triangle Format.
The format was principally designed to store three-dimensional data from 3D scanners. It supports a relatively simple description of a single object as a list of nominally flat polygons. A variety of properties can be stored including: color and transparency, surface normals, texture coordinates and data confidence values. The format permits one to have different properties for the front and back of a polygon.
A complete description of the PLY format is beyond the scope of this article - but one may obtain a good understanding of the basic concepts from the following description:
Files are organised as a header, that specifies the elements of a mesh and their types, followed by the list of elements itself, usually vertices and faces - potentially other entities such as edges, samples of range maps, and triangle strips can be encountered.
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(PTI). Daily, from the Swargate ST stand seven buses ply to Karnataka, including two each to Bidar and Belagavi, and one each to Gulbarga, Vijayapura, Kalaburagi, and Gangapur. Similarly, six buses from Karnataka arrive at Swargate ST stand every day.
Trucks wait on a highway in Karachi on November 26, 2017. — AFP... Of these, 565 were challaned for violating traffic rules, while the fitness certificates of seven commercial vehicles were cancelled due to their unfitness to ply on the road ... .
... were cancelled due to their unfitness to ply on the road.</p><p>Seventeen FIRs have been registered under Section 279 of the Pakistan Penal Code against reckless and negligent drivers.
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