Surveying Glossary — Letter E

Istilah kunci dalam survei profesional dan teknologi geospasial.

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E57 3D Imaging Format

E57 is an open-source file format standard for storing and exchanging 3D imaging data, point clouds, and associated metadata from laser scanners and imaging devices.

e57 format

E57 is an open-source 3D imaging data format designed for storing point clouds, images, and metadata from laser scanners and other 3D measurement devices.

Earthwork

The process of moving, excavating, and placing soil and rock materials during construction and land development projects.

easement

A legal right granted to use another person's land for a specific purpose without owning it.

EDM

EDM ay isang advanced na teknolohiya sa pagsusukat ng distansya gamit ang electromagnetic waves para sa tumpak na surveying at mapping.

EGNOS

EGNOS is a regional satellite-based augmentation system that enhances GPS accuracy for surveying and navigation across Europe.

ellipsoid

A three-dimensional geometric shape formed by rotating an ellipse around one of its axes, commonly used in surveying to model Earth's shape.

Ellipsoidal Height

The vertical distance from the Earth's ellipsoid surface to a point measured along the normal to the ellipsoid.

Emlid Flow

Emlid Flow is a cloud-based platform for processing and analyzing survey data collected with Emlid GNSS receivers.

encroachment

The unauthorized extension of a structure, improvement, or boundary beyond its legal limits onto adjacent property.

EPSG

EPSG adalah sistem kode internasional yang mengidentifikasi sistem koordinat dan proyeksi peta yang digunakan dalam survei dan pemetaan.

error propagation

The process by which uncertainties in measured values combine to produce uncertainty in calculated results.

ETRS89

ETRS89 is the European Terrestrial Reference System 1989, a geocentric coordinate reference system used for mapping and surveying across Europe.