Search results
Map projection: It is the system of transformation of the spherical surface onto a plane surface. It is carried out by an orderly and systematic representation of the parallels of latitude and the meridians of longitude of the spherical earth or part of it on a plane surface on a conveniently chosen scale.
5 kwi 2017 · The first selection in Snyder’s decision tree is among three different geographic extents: (1) world maps; (2) maps showing a hemisphere; and (3) maps showing a continent or smaller areas. This chapter focuses on projections for world and hemisphere maps .
Map projections are logical and methodical transformations that permit the orderly representation of the Earth’s spherical graticule on a flat map. Mathematically speaking, map projections are transformations of geographic co-ordinates (latitude, longitude) into the Cartesian (x, y) co-ordinate space of the map.
The Robinson projection is highly unique. Unlike all other projections, Professor Robinson did not develop this projection by developing new geometric formulas to convert latitude and longitude coordinates from the surface of the Model of the Earth to locations on the map.
Representing the earth’s surface in two dimensions causes distortion in the shape, area, distance, or direction of the data. map projection uses mathematical formulas to relate spherical coordinates on the globe to flat, planar coordinates. Different projections cause different types of distortions.
ROBINSON PROJECTION OF THE WORLD Produced by the Cartographic Research Lab University of Alabama
What is a map projection? Map makers attempt to transfer the earth—a round, spherical globe—to flat paper. Map projections are the different techniques used by cartographers for presenting a round globe on a flat surface. Angles, areas, directions, shapes, and distances can become distorted when transformed from a curved surface to a plane.
