Representation of contours and regions for efficient computer search
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Cites methods from "Representation of contours and regi..."
...Other popular representations include ras- ter-oriented methods [Merrill 1973; Peu- quet 1979], as well as a combination of vectors and rasters {e.g., vasters [Peuquet 1983])....
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...Other popular representations include raster-oriented methods [Merrill 1973; Peuquet 1979], as well as a combination of vectors and rasters (e....
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References
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"Representation of contours and regi..." refers background in this paper
...Elevation contours were encoded with COPIER such that the systems of concentric contours (21, 20, 19, 18, 17, 16), (15, 14), (13, 12, 11, 10, 9), (8, 7, 6), (5, 6, 4, 3, 2) were represented....
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...(3), note that the 3 and 5 elements are equivalent to the 3 and 5 contour labels appearing earlier in the sequence....
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...~, 6, 7, 5, J~, 8, 9, 5, 10, 11, U) (3)...
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67Â citations
Additional excerpts
...Elevation contours were encoded with COPIER such that the systems of concentric contours (21, 20, 19, 18, 17, 16), (15, 14), (13, 12, 11, 10, 9), (8, 7, 6), (5, 6, 4, 3, 2) were represented....
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...Y~ = (6, 13, 13, 16, 16, 17, 18), Y~3 = (8, - - 1 , 0 , 0 , 19 ,20 ,21 ,22 ,23 ) ....
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