This Topic has been deleted in future versions of the GIS&T Body of Knowledge
Author and Citation Info:
DiBiase, D., DeMers, M., Johnson, A., Kemp, K., Luck, A. T., Plewe, B., and Wentz, E. (2006). Geometric accuracy. The Geographic Information Science & Technology Body of Knowledge. Washington, DC: Association of American Geographers. (2nd Quarter 2016, first digital).
Learning Objectives:
State the geometric accuracies associated with the various orders of the U.S. horizontal geodetic control network
State the approximate number and spacing of control points in each order of the horizontal geodetic control network
Explain the factors that influence the geometric accuracy of data produced with Global Positioning System (GPS) receivers
Explain the concept of dilution of precision
Describe the impact of the concept of dilution of precision on the uncertainty of GPS positioning
Explain the principle of differential correction in relation to the Global Positioning System
Apply the National Map Accuracy Standard to calculate the accuracy associated with the various USGS topographic map scales
Compare the National Map Accuracy Standard with the ASPRS Coordinate Standard
In contrast to the National Map Accuracy Standard, explain how the spatial accuracy of a digital road centerlines data set may be evaluated and documented
Explain the formula for calculating root mean square error
Compare the concepts of geometric accuracy and topological fidelity
Describe how geometric accuracy should be documented in terms of the FGDC metadata standard
Explain how geometric accuracies associated with the various orders of the U.S. horizontal geodetic control network are assured
This Topic has been deleted in future versions of the GIS&T Body of Knowledge
DiBiase, D., DeMers, M., Johnson, A., Kemp, K., Luck, A. T., Plewe, B., and Wentz, E. (2006). Geometric accuracy. The Geographic Information Science & Technology Body of Knowledge. Washington, DC: Association of American Geographers. (2nd Quarter 2016, first digital).