Computer Graphics Metafile

Computer Graphics Metafile (CGM) is a free and open international standard file format for 2D vector graphics, raster graphics, and text, and is defined by ISO/IEC 8632.

Overview

All graphical elements can be specified in a textual source file that can be compiled into a binary file or one of two text representations. CGM provides a means of graphics data interchange for computer representation of 2D graphical information independent from any particular application, system, platform, or device. As a metafile, i.e., a file containing information that describes or specifies another file, the CGM format has numerous elements to provide functions and to represent entities, so that a wide range of graphical information and geometric primitives can be accommodated. Rather than establish an explicit graphics file format, CGM contains the instructions and data for reconstructing graphical components to render an image using an object-oriented approach.

Although CGM is not widely supported for web pages and has been supplanted by other formats in the graphic arts, it is still prevalent in engineering, aviation, and other technical applications.

CGM

CGM may refer to:

  • Camiguin Airport
  • Capital Growth Management: CGM Funds, a series of investment funds
  • Cassava green mite
  • The initials of Chloë Grace Moretz, an American actress
  • Christian Gospel Mission, the translated official name of Providence (religious movement)
  • Codex germanicus monacensis, a German-language manuscript in the Bavarian State Library in Munich
  • Compagnie Générale Maritime: CMA CGM, a French shipping line
  • Computer Games Magazine
  • Computer Graphics Metafile
  • Conjugate gradient method, an algorithm for the numerical solution of particular systems of linear equations
  • Conspicuous Gallantry Medal
  • Consumer generated media
  • Continuous Glucose Monitoring
  • Corn gluten meal
  • CTVglobemedia, a Canadian media conglomerate
  • United States military aircraft designation systems

    The United States Military Aircraft Designation System was first designed in 1919 when the US Army's Aeronautical Division became the United States Army Air Service. Before this aircraft were put into service under their manufacturers' designations.

    History

    United States Army Air Service 1919 to 1924

    During this period Type Designations used by the United States Army Air Service were allotted, using two or three letters, which were an abbreviation of the aircraft's purpose. Examples include GA for Ground Attack aircraft; NO for Night Observation aircraft and NBS for Night Bombardment, Short Distance aircraft.

    Army aviation 1924 to 1962

    From 1924 to 1947 the Air Service, United States Army Air Corps, United States Army Air Forces and United States Air Force used a designation system based on mission category, with each model in a category numbered sequentially. In 1947, the designation system was extensively overhauled, with several categories being dispensed with, and others renamed For instance, the Lockheed P-80 Shooting Star (Pursuit) was redesignated as F-80 (Fighter), while the A-26 medium bomber/attack aircraft was redesignated as the B-26, reusing the designation, the Martin B-26 having retired in the meantime.

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    Latest News for: cgm

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