:"For edge in
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A planar closed sequence of edges forms a
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Edge — An edge in common usage denotes a sharp border of a (solid) object.cience and technology* Edge (graph theory), a line segment joining two nodes in a graph * Edge (geometry), a line segment joining two vertices in a polytope * Edge case, a problem … Wikipedia
Edge detection — is a terminology in image processing and computer vision, particularly in the areas of feature detection and feature extraction, to refer to algorithms which aim at identifying points in a digital image at which the image brightness changes… … Wikipedia
Edge loops — are a 3D modeling concept that allows relatively little geometry to convey relatively large amounts of spatial information in a given mesh object. This determines the “flow” of geometry over a surface, and usually has an influence over the… … Wikipedia
Edge coloring — A 3 edge coloring of the Desargues graph. In graph theory, an edge coloring of a graph is an assignment of “colors” to the edges of the graph so that no two adjacent edges have the same color. For example, the figure to the right shows an edge… … Wikipedia
Edge-transitive graph — In mathematics, an edge transitive graph is a graph G such that, given any two edges e 1 and e 2 of G , there is an automorphism of G that maps e 1 to e 2.In other words, a graph is edge transitive if its automorphism group acts transitively upon … Wikipedia
Descriptive geometry — is the branch of geometry which allows the representation of three dimensional objects in two dimensions, by using a specific set of procedures. The resulting techniques are important for engineering, architecture, design and in art. [1] Drawing… … Wikipedia
Greek arithmetic, geometry and harmonics: Thales to Plato — Ian Mueller INTRODUCTION: PROCLUS’ HISTORY OF GEOMETRY In a famous passage in Book VII of the Republic starting at Socrates proposes to inquire about the studies (mathēmata) needed to train the young people who will become leaders of the ideal… … History of philosophy
Dowling geometry — In combinatorial mathematics, a Dowling geometry, named after Thomas A. Dowling, is a matroid associated with a group. There is a Dowling geometry of each rank for each group. If the rank is at least 3, the Dowling geometry uniquely determines… … Wikipedia
Solid Edge — Infobox Software name = Solid Edge caption = developer = Siemens PLM Software latest release version = Solid Edge with Synchronous Technology latest release date = 2008 operating system = Windows XP/Vista genre = CAD software license = website =… … Wikipedia
Doubly connected edge list — The doubly connected edge list (DCEL) is a data structure to represent an embedding of a planar graph in the plane and polytopes in 3D. This data structure provides efficient manipulation of the topological information associated with the objects … Wikipedia
