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  1. Polyconic—ArcGIS Pro | Documentation - Esri

    The polyconic projection is also known as American polyconic or ordinary polyconic projection. The name translates into "many cones," and it is created by lining up an infinite number of …

  2. American polyconic projection - Wikipedia

    It belongs to the polyconic projection class, which consists of map projections whose parallels are non- concentric circular arcs except for the equator, which is straight. Often the American …

  3. Polyconic Projection: Definition, Examples & Quiz

    Sep 21, 2025 · What is the Polyconic Projection? The Polyconic Projection is a type of map projection that was commonly used for detailed maps of small areas. Unlike other conic …

  4. POLYCONIC Definition & Meaning - Merriam-Webster

    The meaning of POLYCONIC is relating to or based on many cones.

  5. Polyconic Projection Definition | GIS Dictionary - Esri Support

    The centers of the circular arcs lie along a central axis. Common polyconic projections include the American polyconic, the rectangular polyconic, and the latitudinally equal-differential polyconic …

  6. This chapter explores the iconographic and practical roles of the polyconic projection, sometimes called the ordinary polyconic, the American polyconic, the Coast and Geodetic Survey …

  7. Polyconic projection — PyGMT

    Dec 2, 2025 · The polyconic projection is neither equal-area, nor conformal. It is true to scale without distortion along the central meridian. Each parallel is true to scale as well, but the …

  8. Polyconic

    Sometimes known as the American Polyconic, it was for a long time the standard projection for large scale maps of the United States. It was developed in 1819 by F. H. Hassler, the first …

  9. Polyconic projection class - Wikipedia

    Polyconic as a class refers to those projections whose parallels are all non-concentric circular arcs, except for a straight equator, and the centers of these circles lie along a central axis.

  10. 18. Polyconic projection | Eu, Mircea - neacsu.net

    May 29, 2025 · The Polyconic projection, usually called the American Polyconic in Europe, achieved its name because the curvature of the circular arc for each parallel on the map is the …