Ordlista

Nyckelbegrepp inom professionell mätning och geospatial teknik.

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legal description

A precise written description of real property that identifies its exact location and boundaries for legal purposes.

Leica Infinity

A specialized optical surveying instrument designed for measuring distances and angles in surveying applications.

lidar

Lidar je tehnologija daljinskog mjerenja koja koristi laserske zrake za precizno mapiranje terena i objekata.

Līnijas ar vienādu augstumu

Līnijas kartē, kas savieno punktus ar vienādu augstumu virs jūras līmeņa.

Local Coordinate System

A coordinate system established for a specific surveying project or site, independent of national or global reference frames.

LOD - Level of Development BIM

A standardized classification system defining the completeness and reliability of Building Information Modeling data at successive stages of design and construction development.

Machine Control

Automated systems that guide heavy equipment to precise grades and slopes using real-time positioning data and design specifications.

map scale

The ratio between distances on a map and corresponding distances on Earth's surface.

marine survey

A comprehensive measurement and assessment of coastal and ocean environments to map underwater topography, identify hazards, and support navigation.

mean sea level

The average height of the ocean surface calculated over a specific time period, used as the reference datum for measuring elevations.

MEP Survey for BIM

A specialized surveying methodology that captures precise spatial data of Mechanical, Electrical, and Plumbing systems for integration into Building Information Modeling platforms.

Mercator Projection

A cylindrical map projection that preserves angles and compass directions, making it useful for navigation but distorting areas, especially near the poles.

metadata

Data about data that describes the characteristics, origin, and context of information in a surveying project.

metes and bounds

A system of describing land by measuring distances and directions from identifiable physical features or landmarks.

miniprism

A small reflective prism used in surveying and geodetic measurements to reflect laser signals back to their source for distance calculations.

Mobile Mapping

Mobile mapping is a surveying technique that uses vehicles equipped with sensors and cameras to rapidly collect geospatial data across large areas.

monitoring survey

A systematic and continuous measurement process used to track changes in physical features, structures, or environmental conditions over time.

monument

A permanent marker or structure established at a surveying point to mark its location and preserve its position for future reference.

Multibeam Echo Sounder

A hydrographic surveying instrument that uses multiple acoustic beams simultaneously to map underwater bathymetry and seafloor characteristics with high resolution and coverage.

multibeam sonar

A sonar system that emits multiple acoustic beams simultaneously to map the seafloor and detect underwater objects across a wide swath.

multipath

The phenomenon where GNSS signals reach a receiver via multiple paths due to reflection off nearby surfaces, causing measurement errors.

multipath error mitigation

Techniques used in surveying to reduce errors caused by signal reflections bouncing off nearby surfaces before reaching the receiver.

mvs

Mvs ay isang mahalagang sistema sa surveying na ginagamit upang masukat at magrehistro ng mga spatial data sa pamamagitan ng modernong teknolohiya.

NAD83

NAD83 er det primære horisontale referansedatumen som brukes i Nord-Amerika for kartlegging og GPS-posisjoneringssystemer.

Nadir Imagery

Aerial photography taken directly downward from an aircraft or satellite, perpendicular to the Earth's surface, producing images with minimal distortion.

nadir point

The point on the ground directly below the camera or sensor at the moment of image capture in aerial surveying.

Nationale Raster

Ein koordiniertes System von Vermessungspunkten, das ein Land zur Georeferenzierung und kartografischen Grundlage verwendet.

Navisworks Coordination Survey

A specialized surveying methodology that integrates Autodesk Navisworks software with field survey data to coordinate and validate construction and infrastructure projects in three-dimensional space.

NDVI

Indice de vegetacion de diferencia normalizada que mide la salud y densidad de la vegetacion usando datos espectrales de sensores remotos.

Network Adjustment

The mathematical process of distributing measurement errors across a surveying network to obtain the most probable coordinates for all points.

nivelación

Proceso de medición de diferencias de altura entre puntos para determinar elevaciones relativas o absolutas en la tierra.

noise filter

A device or algorithm that removes unwanted sound frequencies or electrical interference from surveying measurements and data.

normal distribution transform

A statistical method used in surveying to transform spatial data into a normalized probability distribution for analysis and comparison.

NSRS

NSRS ay ang National Spatial Reference System na nagbibigay ng coordinate framework para sa lahat ng surveying at mapping activities sa United States.

NTRIP

NTRIP is a protocol for transmitting GNSS correction data over the internet to enable real-time precise positioning in surveying and mapping applications.

Oblique Imagery

Aerial photography captured at an angle other than vertical, providing perspective views of terrain and structures.

offshore survey

Surveying activities conducted in maritime environments beyond coastal areas to map seabed features, underwater structures, and bathymetry.

Optical Plummet

An optical instrument mounted on surveying equipment that uses a telescope and prism system to project a vertical line of sight for precise centering over a survey point.

orthometric height

The vertical distance from a point on the Earth's surface to the geoid, measured along the direction of gravity.

orthophoto

Orthophoto je digitalna slika terena korigovana za distorzije uzrokovane nagibom kamere i topografijom.

otal Station

An electronic surveying instrument that measures distances and angles to determine positions of points on the earth's surface.

Overlap

The area where two or more survey photographs, map sheets, or survey lines cover the same ground.

parcel boundary

The legally defined line that separates one parcel of land from another adjacent parcel.

pdop

Pdop om mät på precisionen av en GPS-positionsbestämmning baserad på satellitgeometrin.

Phase Shift

The displacement of a periodic signal in time or space relative to a reference point or another signal.

photogrammetry

The science and technology of obtaining reliable measurements and spatial information from photographs and digital images.

Pipeline Survey

A comprehensive surveying process that determines the precise location, alignment, and elevation of pipeline infrastructure for planning, construction, and maintenance purposes.

Pix4D

Pix4D is a software platform for processing aerial and drone imagery to create precise 2D maps, 3D models, and spatial data for surveying and mapping applications.

plat map

A detailed map showing the divisions of a piece of land into lots, blocks, and other subdivisions with measurements and boundaries.

plumb bob

A weight suspended by a string used to determine vertical alignment in surveying and construction.

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