The International Federation of Surveyors defines the function of surveying as follows:
A surveyor is a … See more

Surveying has occurred since humans built the first large structures. In ancient Egypt, a rope stretcher would use simple geometry to re-establish boundaries after the annual floods of the Nile River. The almost perfect squarenes… See more

The main surveying instruments in use around the world are the theodolite, measuring tape, total station, 3D scanners, GPS/GNSS, level and rod. Most instruments screw onto a tripod when in use. Tape measures … See more

Surveyors determine the position of objects by measuring angles and distances. The factors that can affect the accuracy of their observations are also measured. They then use this data to create vectors, bearings, coordinates… See more

Local organisations or regulatory bodies class specializations of surveying in different ways. Broad groups are:
• As-built survey: a survey that documents the location of recently constructed elements o… See more

The basic principles of surveying have changed little over the ages, but the tools used by surveyors have evolved. Engineering, especially civil engineering, often needs surveyors.
Surveyors … See more

Some U.S. Presidents were land surveyors. George Washington and Abraham Lincoln surveyed colonial or frontier territories early in their career, prior to serving in office.
Ferdinand Rudolph Hassler is considered the "father" … See more