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  2. South-up map orientation - Wikipedia

    en.wikipedia.org/wiki/South-up_map_orientation

    The Tabula Rogeriana, drawn by al-Idrisi in 1154 The Blue Marble photograph in its original orientation [1]. South-up map orientation is the orientation of a map with south up, at the top of the map, amounting to a 180-degree rotation of the map from the standard convention of north-up.

  3. Local tangent plane coordinates - Wikipedia

    en.wikipedia.org/wiki/Local_tangent_plane...

    The east north up (ENU) local tangent plane is similar to NED, except for swapping 'down' for 'up' and x for y. Local tangent plane coordinates ( LTP ) are part of a spatial reference system based on the tangent plane defined by the local vertical direction and the Earth's axis of rotation.

  4. Map - Wikipedia

    en.wikipedia.org/wiki/Map

    South-up maps invert the North is up convention by having south at the top. Ancient Africans including in Ancient Egypt used this orientation, as some maps in Brazil do today. [3] Buckminster Fuller's Dymaxion maps are based on a projection of the Earth's sphere onto an icosahedron. The resulting triangular pieces may be arranged in any order ...

  5. Talk:South-up map orientation/Archive 1 - Wikipedia

    en.wikipedia.org/wiki/Talk:South-up_map...

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  6. Commissioners' Plan of 1811 - Wikipedia

    en.wikipedia.org/wiki/Commissioners'_Plan_of_1811

    James Kent, the eminent jurist and legal scholar, called the plan "brilliant", and wrote in 1896: The map and plan of the Commissioners laid out the highways on the island upon so magnificent a scale, and with so bold a hand, and with such prophetic views, in respect of the future growth and extension of the city, that it will form an ...

  7. Map projection - Wikipedia

    en.wikipedia.org/wiki/Map_projection

    [1] [2] [3] In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the globe are transformed to coordinates on a plane. [ 4 ] [ 5 ] Projection is a necessary step in creating a two-dimensional map and is one of the essential elements of cartography.

  8. Topographic map - Wikipedia

    en.wikipedia.org/wiki/Topographic_map

    Topographic maps are also commonly called contour maps or topo maps. In the United States, where the primary national series is organized by a strict 7.5-minute grid, they are often called or quads or quadrangles. Topographic maps conventionally show topography, or land contours, by means of contour lines.

  9. Fra Mauro map - Wikipedia

    en.wikipedia.org/wiki/Fra_Mauro_map

    The map depicts Asia, Africa and Europe, with South at the top. The Fra Mauro map is a map of the world made around 1450 by the Italian cartographer Fra Mauro, which is “considered the greatest memorial of medieval cartography." [1] It is a circular planisphere drawn on parchment and set in a wooden frame that measures over two by two meters ...