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  2. Universal polar stereographic coordinate system - Wikipedia

    en.wikipedia.org/wiki/Universal_Polar...

    The universal polar stereographic (UPS) coordinate system is used in conjunction with the universal transverse Mercator (UTM) coordinate system to locate positions on the surface of the Earth. Like the UTM coordinate system, the UPS coordinate system uses a metric-based cartesian grid laid out on a conformally projected surface.

  3. Stereographic projection - Wikipedia

    en.wikipedia.org/wiki/Stereographic_projection

    A two-dimensional coordinate system on the stereographic plane is an alternative setting for spherical analytic geometry instead of spherical polar coordinates or three-dimensional cartesian coordinates. This is the spherical analog of the Poincaré disk model of the hyperbolic plane.

  4. Stereographic map projection - Wikipedia

    en.wikipedia.org/wiki/Stereographic_map_projection

    Stereographic projection of the world north of 30°S. 15° graticule. The stereographic projection with Tissot's indicatrix of deformation. The stereographic projection, also known as the planisphere projection or the azimuthal conformal projection, is a conformal map projection whose use dates back to antiquity.

  5. List of coordinate charts - Wikipedia

    en.wikipedia.org/wiki/List_of_coordinate_charts

    Spherical coordinates. Stereographic chart Central projection chart Axial projection chart Mercator chart. 3-sphere S 3: Polar chart. Stereographic chart Mercator chart. Euclidean spaces: n-dimensional Euclidean space E n: Cartesian chart: Euclidean plane E 2: Bipolar coordinates. Biangular coordinates Two-center bipolar coordinates. Euclidean ...

  6. Map projection - Wikipedia

    en.wikipedia.org/wiki/Map_projection

    Transformation of geographic coordinates (longitude and latitude) to Cartesian (x,y) or polar (r, θ) plane coordinates. In large-scale maps, Cartesian coordinates normally have a simple relation to eastings and northings defined as a grid superimposed on the projection. In small-scale maps, eastings and northings are not meaningful, and grids ...

  7. List of map projections - Wikipedia

    en.wikipedia.org/wiki/List_of_map_projections

    The equal-area projection that results from average of sinusoidal and Mollweide y-coordinates and thereby constraining the x coordinate. 1929 Craster parabolic =PutniƆš P4: Pseudocylindrical Equal-area John Craster Meridians are parabolas. Standard parallels at 36°46′N/S; parallels are unequal in spacing and scale; 2:1 aspect. 1949

  8. n-sphere - Wikipedia

    en.wikipedia.org/wiki/N-sphere

    2-sphere wireframe as an orthogonal projection Just as a stereographic projection can project a sphere's surface to a plane, it can also project a 3-sphere into 3-space.. This image shows three coordinate directions projected to 3-space: parallels (red), meridians (blue), and hypermeridians (gr

  9. File:Universal Polar Stereographic Grid.svg - Wikipedia

    en.wikipedia.org/wiki/File:Universal_Polar...

    English: Diagrams of the Universal Polar Stereographic coordinate system (UPS) whose two plane grids covers the Arctic and the Antarctic. Svenska: Diagram över koordinatsystemet Universal Polar Stereographic (UPS) vars två plana koordinatsystem täcker Arktis och Antarktis.