Surveying Glossary — Letter E

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e57 3d imaging format

E57 is an open standard file format designed for storing and exchanging 3D imaging data such as point clouds and images from laser scanners and other 3D capture devices.

e57 format

E57 is an open-source 3D imaging data format designed to store point clouds and metadata from terrestrial laser scanning and imaging devices.

earthwork

The process of moving and shaping earth materials during construction or land development projects.

easement

A legal right granted to a person or entity to use another person's land for a specific purpose.

EDM

EDM ay isang advanced na teknolohiya sa surveying na gumagamit ng electromagnetic waves upang sukatin ang distansya sa pagitan ng mga punto.

EGNOS

EGNOS ist ein europäisches Satellitennavigationssystem zur Verbesserung der Genauigkeit von GPS-Signalen.

Elipsoid

Elipsoid je trodimenzionalni geometrijski oblik koji nastaje rotacijom elipse oko jedne od njenih osa.

ellipsoidal height

The perpendicular distance from a point on or near the Earth's surface to the reference ellipsoid, measured along the normal to the ellipsoid.

emlid flow

emlid flow är en molnbaserad mjukvara för realtidsbearbetning och hantering av GNSS-data från Emlid RTK-mottagare.

Encroachment

The unauthorized occupation or use of land belonging to another party, typically involving a structure, improvement, or object that extends beyond property boundaries.

epoch

A specific point in time used as a reference for astronomical or geodetic measurements and calculations.

EPSG

EPSG ay isang pandaigdigang sistema ng pagkakakilala para sa mga spatial reference systems na ginagamit sa surveying at geospatial na mga aplikasyon.

error propagation

The process by which measurement errors in surveying accumulate and affect the accuracy of final computed results.

ETRS89

ETRS89 est un système de référence terrestre géocentrique utilisé en Europe pour les mesures géodésiques et cartographiques précises.