... and the meridians of a globe on a plane surface, i.e., constructing map projections. The shape of the network of the parallels and meridians drawn by one method differs from that by the other methods. Therefore, there is a great variety of graticules. A variety in the graticules is necessary to meet various specific purposes. Earth relationships such as shapes, areas of countries and direction of one place from the other, are not maintained on map. A map projection showing the area of a globe correctly will not maintain the shapes and directions of the areas truly. Thus it is not possible to construct a map projection showing the globe truly and there is always some distortion in the shape of the graticules. Being unable to acquire all the qualities of a globe, a map projection can't be used as a complete substitute for a globe. CLASSIFICATION OF MAP PROJECTIONS: There are ...

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