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  2. List of map projections - Wikipedia

    en.wikipedia.org/wiki/List_of_map_projections

    Arithmetic mean of the equirectangular projection and the Aitoff projection. Standard world projection for the NGS since 1998. 1904 Van der Grinten: Pseudoconic Compromise Alphons J. van der Grinten: Boundary is a circle. All parallels and meridians are circular arcs. Usually clipped near 80°N/S. Standard world projection of the NGS in 1922 ...

  3. World map - Wikipedia

    en.wikipedia.org/wiki/World_map

    All world maps are based on one of several map projections, or methods of representing a globe on a plane. All projections distort geographic features, distances, and directions in some way. The various map projections that have been developed provide different ways of balancing accuracy and the unavoidable distortion inherent in making world maps.

  4. Map projection - Wikipedia

    en.wikipedia.org/wiki/Map_projection

    Different datums assign slightly different coordinates to the same location, so in large scale maps, such as those from national mapping systems, it is important to match the datum to the projection. The slight differences in coordinate assignation between different datums is not a concern for world maps or those of large regions, where such ...

  5. Gall–Peters projection - Wikipedia

    en.wikipedia.org/wiki/Gall–Peters_projection

    The Gall–Peters projection of the world map. The Gall–Peters projection is a rectangular, equal-area map projection. Like all equal-area projections, it distorts most shapes. It is a cylindrical equal-area projection with latitudes 45° north and south as the regions on the map that have no distortion. The projection is named after James ...

  6. Robinson projection - Wikipedia

    en.wikipedia.org/wiki/Robinson_projection

    Robinson projection of the world The Robinson projection with Tissot's indicatrix of deformation Map of the world created by the Central Intelligence Agency, with standard parallels 38°N and 38°S. The Robinson projection is a map projection of a world map that shows the entire world at once. It was specifically created in an attempt to find a ...

  7. Azimuthal equidistant projection - Wikipedia

    en.wikipedia.org/wiki/Azimuthal_equidistant...

    The azimuthal equidistant projection is an azimuthal map projection. It has the useful properties that all points on the map are at proportionally correct distances from the center point, and that all points on the map are at the correct azimuth (direction) from the center point. A useful application for this type of projection is a polar ...

  8. Conformal map projection - Wikipedia

    en.wikipedia.org/wiki/Conformal_map_projection

    Maps treating values whose gradients are important, such as a weather map with atmospheric pressure, are also projected by conformal projections. Small scale maps have large scale variations in a conformal projection, so recent world maps use other projections. Historically, many world maps are drawn by conformal projections, such as Mercator ...

  9. Van der Grinten projection - Wikipedia

    en.wikipedia.org/wiki/Van_der_Grinten_projection

    Van der Grinten projection of the world The Van der Grinten projection with Tissot's indicatrix of deformation. The van der Grinten projection is a compromise map projection, which means that it is neither equal-area nor conformal. Unlike perspective projections, the van der Grinten projection is an arbitrary geometric construction on the plane.

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