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  2. Datum reference - Wikipedia

    en.wikipedia.org/wiki/Datum_reference

    A typical datum reference frame is made up of three planes. For example, the three planes could be one "face side" and two "datum edges". These three planes are marked A, B and C, where A is the face side, B is the first datum edge, and C is the second datum edge. In this case, the datum reference frame is A/B/C.

  3. Data architecture - Wikipedia

    en.wikipedia.org/wiki/Data_architecture

    The technology plan is focused on the actual tangible elements to be used in the implementation of the data architecture design. Physical data architecture encompasses database architecture. Database architecture is a schema of the actual database technology that would support the designed data architecture.

  4. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    CAD: computer-aided design, computer-aided drafting; cadmium [plating]: CAGE: Commercial and Government Entity [code]: A CAGE code is a unique identifier to label an entity (that is, a specific government agency or corporation at a specific site) that is a CDA, ODA, or MFR of the part defined by the drawing.

  5. Architects' Data - Wikipedia

    en.wikipedia.org/wiki/Architects'_data

    Architects' Data (German: Bauentwurfslehre), also simply known as the Neufert, is a reference book for spatial requirements in building design and site planning. First published in 1936 by Ernst Neufert , [ 1 ] its 39 German editions and translations into 17 languages have sold over 500,000 copies. [ 2 ]

  6. National Geodetic Vertical Datum of 1929 - Wikipedia

    en.wikipedia.org/wiki/National_Geodetic_Vertical...

    Since the Sea Level Datum of 1929 was a hybrid model, it was not a pure model of mean sea level, the geoid, or any other equipotential surface. Therefore, it was renamed the National Geodetic Vertical Datum of 1929 (NGVD 29) May 10, 1973, by the National Geodetic Survey , a part of the National Oceanic and Atmospheric Administration .

  7. Dado (architecture) - Wikipedia

    en.wikipedia.org/wiki/Dado_(architecture)

    In architecture, the dado is the lower part of a wall, [1] below the dado rail and above the skirting board. The word is borrowed from Italian meaning "dice" or "cube", [ 2 ] and refers to " die ", an architectural term for the middle section of a pedestal or plinth .

  8. Geodetic datum - Wikipedia

    en.wikipedia.org/wiki/Geodetic_datum

    A geodetic datum or geodetic system (also: geodetic reference datum, geodetic reference system, or geodetic reference frame, or terrestrial reference frame) is a global datum reference or reference frame for unambiguously representing the position of locations on Earth by means of either geodetic coordinates (and related vertical coordinates) or geocentric coordinates. [1]

  9. CAD standards - Wikipedia

    en.wikipedia.org/wiki/CAD_standards

    PDQ is a field of PLM relating to the quality of product data, particularly the geometrical and organizational quality of CAD data. Checkers, software that analyze CAD data formats, are often employed before and after data translation. The checkers can check the organization and quality of the data against internal company standards and ...