Settlement Patterning - political maps may thus be...

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Thiessen Polygons A formal method of describing settlement patterns based on territorial divisions centered on a single site; the polygons are created by drawing straight lines between pairs of neighboring sites, then at the mid- point along each of these lines, a second series of lines are drawn at right angles to the first. Linking the second series of lines creates the Thiessen polygons. XTENT Modeling A method of generating settlement hierarchy, that overcomes the limitations of both central place theory and Thiessen polygons; it assigns territories to centers based on their scale, assuming that the size of each center is directly proportional to its area of influence. Hypothetical
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Unformatted text preview: political maps may thus be constructed from survey data. Site Hierarchy The site size and functional differences within A Group of roughly contemporary sites -- possibly indicating different economic arrangements, political hierarchy, etc. Central Place Theory Developed by the geographer Christaller to explain the spacing and function of the settlement landscape. Under idealized conditions, he argued, central places of the same size and nature would be equidistant from each other, surrounded by secondary centers with their own smaller satellites. In spite of its limitations, central place theory has found useful applications in archaeology as a preliminary heuristic device....
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