Polyconic

Pol`y`con´ic


a.1.Pertaining to, or based upon, many cones.
Polyconic projection
(Map Making) a projection of the earth's surface, or any portion thereof, by which each narrow zone is projected upon a conical surface that touches the sphere along this zone, the conical surface being then unrolled. This projection differs from conic projection in that latter assumes but one cone for the whole map. Polyconic projection is that in use in the United States coast and geodetic survey.
References in periodicals archive ?
Forest Stewardship Council wood - Polyconic mosaic map on the floor of Fortaleza Hall of the Western Hemisphere is made of end-grain certified Forest Stewardship Council wood which means it is wood harvested on a sustainable basis.
Measurements of zinc status are often unreliable indicators of clinical status; thus a therapeutic trial of physiological amounts of zinc in the presence of the zinc-binding ligand polyconic acid is one approach to determine its deficit status and clinical efficacy.
Function Matching for Sovietera Table-based Modified Polyconic Projections.
Each coverage was projected using Polyconic Projection and Spheroid Everest geoid system for area estimation of different classes for a particular map.
However, if one were to apply Lee's definitions, the Tripel can also be classified as a polyconic (Lee 1944).
Polyconic, where both parallels and meridians are curved;