Cartography: Projections

"Cartography is the science of map-making. It comprises many problems and techniques....One important concern of cartography is solving how to project, i.e. transform or map points from an almost spherical lump of rock (our Earth) onto...flat sheets of paper....Here are informally described important cartographic concepts, how maps are drawn and why there are so many different kinds of projections for world maps." -- from the website. <http://www.progonos.com/furuti/MapProj/
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