Proceedings of the Annual Meeting, Volume 31The Congress, 1971 - Cartography |
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Page 646
... Contour Line a ) Total Test ( 4 tasks ) 12.6 ( of 16 ) 12.4 ( of 16 ) b ) COUNT task 2.4 ( of 4 ) 1.9 ( of 4 ) c ) LOCATE task 3.5 ( of 4 ) 3.3 ( of 4 ) d ) COMPARE task 3.3 ( of 4 ) 3.5 ( of 4 ) e ) VERIFY task 3.5 ( of 4 ) 3.8 ( of 4 ) ...
... Contour Line a ) Total Test ( 4 tasks ) 12.6 ( of 16 ) 12.4 ( of 16 ) b ) COUNT task 2.4 ( of 4 ) 1.9 ( of 4 ) c ) LOCATE task 3.5 ( of 4 ) 3.3 ( of 4 ) d ) COMPARE task 3.3 ( of 4 ) 3.5 ( of 4 ) e ) VERIFY task 3.5 ( of 4 ) 3.8 ( of 4 ) ...
Page 648
... contour line version of the otherwise identical map . Stated another way , the data shows that overall , the group using the contour line map was 14.3 % FASTER than the shaded relief group in extracting the non - terrain information ...
... contour line version of the otherwise identical map . Stated another way , the data shows that overall , the group using the contour line map was 14.3 % FASTER than the shaded relief group in extracting the non - terrain information ...
Page 651
... contour line map led to precisely this result . 250,000 Scale Map 1.55 1.72 62,500 Scale Map Shaded Relief Contour Line 2.37 2.72 From the above values it can be seen that in both exper- iments use of the contour line map resulted in ...
... contour line map led to precisely this result . 250,000 Scale Map 1.55 1.72 62,500 Scale Map Shaded Relief Contour Line 2.37 2.72 From the above values it can be seen that in both exper- iments use of the contour line map resulted in ...
Common terms and phrases
accuracy ACIC ACSM adjustment aerial agencies alignment angle arc segments azimuth cartographic Civil Engineering COGO color contour control surveys County curve Dept determined distance measuring electronic calculators ellipses equation equipment error established feet field Figure frequency Geodesy geodetic control Geodimeter geographic coordinates Geological Survey grid Highway ILLIMAP instruments land survey Land Surveyor landward boundary laser laser beam LEVEL line segments maximum ment meters metes and bounds method miles monuments National observations obtained Ocean oceanographic offshore operations output photogrammetry photographs plane coordinate system plat plot points of intersection position printed problems procedure processing records refractive index rhumb line scale screen scribed section corners standard deviation stations Surveying and Mapping SYMAP tape temperature terrain theodolite tion topographic traverse triangulation trilateration U.S. Geological Survey United urban urban heat island VALUE RANGE APPLYING Washington