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Lecture03 - Recall The scale transformation Geography 12...

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1 Geography 12: Maps and Spatial Reasoning Lecture 3: Map Projection Basics Professor Keith Clarke Recall: The scale transformation The real world 1:400M A representation of the world A cartographic problem A possible solution?
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2 That’s how “gores” are made! But….. Not all of the world is on one section Lots of cuts/breaks are necessary The earth is still distorted It is very cumbersome to use globes for measuring All large cartographic scale maps would only curve a little bit Cartography would be goring The solution Wikipedia says… A map projection is any method used in cartography to represent the two-dimensional curved surface of the earth or other body on a plane . The term " projection " here refers to any function defined on the earth's surface and with values on the plane, and not necessarily a geometric projection. A projection!
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