Trilateration Computer Program
Publication: Journal of Surveying Engineering
Volume 131, Issue 3
Abstract
A computer program has been developed for the reduction of trilateration data. The program is general in that it will handle any control figure that a user might specify. Data validation is a key feature of the program. Input data from surveys are extensively checked for errors, and warning messages are displayed on the screen when an error is encountered. As a further aid in diagnosing errors, the program allows the user to print out intermediate results so that they may be examined for discrepancies. Least-squares adjustment of coordinates is provided.
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Acknowledgments
Guidance and helpful comments from Edward Demsky and other members of the Geotechnical Branch of the St. Louis District of the U.S. Army Corps of Engineers are gratefully acknowledged. All statements made in this paper are strictly the responsibility of the writer and do not necessarily represent Corps policy or procedures.
References
Robertson, K. D. (1979). “The use and calibration of distance measuring equipment for precise measurement of dams (revised).” Rep. ETL-0190, U.S. Army Corps of Engineers, Engineer Topographic Laboratories, Fort Belvoir, Va., 31–32.
U.S. Army Corps of Engineers (USACE). (1994). “Deformation monitoring and control surveying.” Engineer Manual EM 1110-2-1004, Washington, D.C.
Information & Authors
Information
Published In
Journal of Surveying Engineering
Volume 131 • Issue 3 • August 2005
Pages: 94 - 96
Copyright
© 2005 ASCE.
History
Received: Jan 6, 2003
Accepted: Dec 29, 2004
Published online: Aug 1, 2005
Published in print: Aug 2005
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