Surveying Dictionary Words Definitions Starting from T, U, V, W, X, Y, Z

A tape is a flexible device used for measuring linear distances. There are tapes made of many materials, such as cloth, kevlar, steel, and invar. The most common tape used by surveyors is the steel tape. Standard lengths are 100 feet (for English unit surveys) or 30 meters (for SI unit surveys). Tapes are usually marked at every foot or meter. At the ends of the tape, there

Surveying Dictionary Words Definitions Starting from Q, R, S

Query: The process of selecting features in a database. Can be achieved through a query language directly on the data or, in a GIS, by interactively selecting features. Raasterization: The process that converts vector data, which is a series of points, lines and polygons into raster data which is a series of cells with a discrete value. Railroads: A category of rural transportation

Surveying Dictionary Words Definitions Starting from M, N, O, P

Magnetic declination is the horizontal angle between true north (i.e., the geographic meridian) and magnetic north (i.e., the magnetic meridian). There are two conventions for specifying the angle. One is to indicate the magnitude (e.g., 6o) and direction as E or W of north. The other considers positive values to be toward the east and negative values to be toward the west.

Surveying Dictionary Words Definitions Starting from E, F, G

The right, privilege or liberty given to a person or group to use land belonging to another for a specific and definite purpose e.g. the right given to an electricity company to bring electricity transmission lines across a private property. EDM is a relatively new technique that is still evolving and improving. It was first introduced in 1948 by Swedish physicist Erik

Surveying Dictionary Words Starting from C

A public register of land recording the extent and value of land parcels for the purposes A dataset containing information related to land ownership and rights. This usually takes the form of maps and descriptions of uniquely identifiable land parcels. For each parcel, legal information such as ownership, easements and mortgages are recorded more information can be

Surveying Dictionary Words Definitions Starting from H, I, J, K, L

The makeup or relative proportion of the General cover categories occurring about a point (see Primary sample unit).... The arrangement of the nine General cover categories occurring about a point (see Primary sample unit). .... A subcategory of Cropland managed for the production of forage crops that are machine harvested. The crop may be grasses, legumes, or

D - Glossary of Engineering Levelling & Surveying

A representation of facts, concepts or instructions in a formalized manner suitable for communication, interpretation or processing.... The encoding of data. In the context of digital mapping, this includes digitizing, direct recording by electronic survey instruments and the encoding of text and attributes by whatever means.... A specification that defines the order in

Surveying Dictionary Words Starting from B

A back-sight is a reading taken on a position of known coordinate(s). Since a survey progresses from a point of known position to points of unknown position, a back sight is a reading looking "backward" along the line of progress. The first reading of almost any survey job should be a back-sight onto a fixed point of reference, usually a benchmark of some sort.

Surveying Dictionary Words Starting from A

A measure which indicates how closely the coordinates of a point in Ordnance Survey map data agree with the true National Grid coordinates of the same point on the ground. As the true position can never be known exactly, the statistic is quoted relative to the best known position determined by precise survey methods. A coordinate pair or triplate measured directly from