surveying definitions

Pacing consists of counting the number of steps or paces a required distance

• Distance by Pacing

• Distance by Taping

• Distance by Tachymetry

• Distance by Graphical and Mathematical Methods

• Distance by Mechanical Devices

Consist of stretching a calibrated tape between two points and reading the distance indicated on the tape

• Distance by Pacing

• Distance by Taping

• Distance by Tachymetry

• Distance by Graphical and Mathematical Methods

• Distance by Mechanical Devices

use of graduated tape of measuring or laying out horizontal distances

• Distance by Pacing

• Distance by Taping

• Distance by Tachymetry

• Distance by Graphical and Mathematical Methods

• Distance by Mechanical Devices

is based on the optical geometry of the instruments employed and is an indirect method of measurement.

• Distance by Pacing

• Distance by Taping

• Distance by Tachymetry

• Distance by Graphical and Mathematical Methods

• Distance by Mechanical Devices

Unknown distances may be determined through their relationship with known distances geometrically.

• Distance by Photogrammetry

• Distance by Taping

• Distance by Tachymetry

• Distance by Graphical and Mathematical Methods

• Distance by Mechanical Devices

These methods are widely employed in plane table surveys, and in triangulation work

• Distance by Photogrammetry

• Distance by Taping

• Distance by Tachymetry

• Distance by Graphical and Mathematical Methods

• Distance by Mechanical Devices

the use of odometer and measuring wheel

• Distance by Photogrammetry

• Distance by Taping

• Distance by Tachymetry

• Distance by Graphical and Mathematical Methods

• Distance by Mechanical Devices

Refers to measurement of images on a photograph.

• Distance by Photogrammetry

• Distance by Taping

• Distance by Tachymetry

• Distance by Graphical and Mathematical Methods

• Distance by Mechanical Devices

The procedure of measurement in distance by taping is called

consists of a telescope with two horizontal hairs called stadia hairs and a graduated rod called stadia rod

• stadia method

• subtense method