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  2. Vertical and horizontal - Wikipedia

    en.wikipedia.org/wiki/Vertical_and_horizontal

    In the three-dimensional case, the situation is more complicated as now one has horizontal and vertical planes in addition to horizontal and vertical lines. Consider a point P and designate a direction through P as vertical. A plane which contains P and is normal to the designated direction is the horizontal plane at P.

  3. Geodetic datum - Wikipedia

    en.wikipedia.org/wiki/Geodetic_datum

    A vertical datum is a reference surface for vertical positions, such as the elevations of Earth features including terrain, bathymetry, water level, and human-made structures. An approximate definition of sea level is the datum WGS 84 , an ellipsoid , whereas a more accurate definition is Earth Gravitational Model 2008 (EGM2008), using at least ...

  4. Page orientation - Wikipedia

    en.wikipedia.org/wiki/Page_orientation

    Page orientation is the way in which a rectangular page is oriented for normal viewing. The two most common types of orientation are portrait and landscape. [ 1] The term "portrait orientation" comes from visual art terminology and describes the dimensions used to capture a person's face and upper body in a picture; in such images, the height ...

  5. Horizontal and vertical (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Horizontal_and_vertical...

    Horizontal and vertical (disambiguation) Horizontal and vertical commonly refers a concept about orientation in mathematics, geography, physics and other sciences, with the vertical typically being defined by the direction of gravity, and with the horizontal being perpendicular to the vertical. Horizontal and vertical may also refer to:

  6. Vertical–horizontal illusion - Wikipedia

    en.wikipedia.org/wiki/Verticalhorizontal_illusion

    The verticalhorizontal illusion is the tendency for observers to overestimate the length of a vertical line relative to a horizontal line of the same length. [1] This involves a bisecting component that causes the bisecting line to appear longer than the line that is bisected. People often overestimate or underestimate the length of the ...

  7. Y-intercept - Wikipedia

    en.wikipedia.org/wiki/Y-intercept

    Y-intercept. Graph with the -axis as the horizontal axis and the -axis as the vertical axis. The -intercept of is indicated by the red dot at . In analytic geometry, using the common convention that the horizontal axis represents a variable and the vertical axis represents a variable , a -intercept or vertical intercept is a point where the ...

  8. Vertical and horizontal (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Vertical_and_horizontal...

    Vertical integration, when the the supply chain of a company is integrated and owned by that company (i.e. integration of multiple stages of production) Vertical and horizontal market, another concept in economics, with a vertical market characterized by goods and services being offered to a specific industry or group of customers with ...

  9. Category:Vertical position - Wikipedia

    en.wikipedia.org/wiki/Category:Vertical_position

    Pages in category "Vertical position". The following 41 pages are in this category, out of 41 total. This list may not reflect recent changes . Vertical position.