The Ultimate Drone Glossary: Common Drone Mapping Terms

A buffer zone is an area created at a specified distance around a geographic feature to represent proximity, influence, or impact.

A grid is a network of intersecting lines that divides geographic data into uniform cells, each storing a value based on its x and y coordinates.

USGS is a U.S. scientific agency providing trusted data on earthquakes, water, land, hazards, and natural resources to support safety, research, and planning.

Information about a dataset, including its source, date of creation, format, projection, scale, resolution, accuracy, and reliability according to established standards.

Regular building facade inspections detect issues early, ensuring safety, structural integrity, and cost-effective maintenance while preventing major damage.

FPV flying uses an onboard camera to stream live video in real time to goggles, a smartphone, or a tablet for an immersive pilot's view.

A satellite imagery archive is a collection of stored satellite images that have been acquired, processed, and preserved for future analysis and use.

Drone mapping uses UAVs to capture high-resolution aerial images and spatial data, creating accurate maps, orthomosaics, and detailed 3D models.

A geodatabase stores geographic data in tables, supporting topology, data integrity, and custom behavior in personal or enterprise databases.

Georeferencing is the process of assigning real-world coordinates to spatial data, such as maps, images, or geographic datasets.

An entity is a collection of related people, places, or things that share common attributes, identified during the conceptual design of databases.

A database is a structured collection of related data that enables efficient storage, organization, retrieval, management, and updating of information.

Contour lines are imaginary lines on a map that connect points of equal elevation, showing the shape and relief of the land.

Satellite imagery resolution measures image detail by the smallest visible object. It varies with the satellite platform and imaging technology used.

To establish a relationship between map coordinates and their corresponding real-world locations.

UTM is a global coordinate system that divides Earth into 60 zones, enabling accurate mapping, navigation, and precise distance, direction, and area measurement.

In GIS, annotation refers to labels, text, symbols, and graphic elements added to maps to improve readability, provide context, and communicate spatial information.

Landsat satellites capture Earth imagery, with data commonly stored in .BIL and .BIP formats for remote sensing, GIS, and mapping applications.

A raster compression tool reduces image file size using lossless or lossy methods. Examples include MrSID and JPEG2000, balancing storage and image quality.

Photogrammetry creates accurate 3D models from multiple photos by analyzing image geometry, camera positions, and spatial relationships to reconstruct objects.

GIS is a computer-based system that captures, stores, analyzes, manages, and displays geographic data, including maps, imagery, and spatial datasets.

WorldView-4, launched by Maxar in 2016, captures high-resolution Earth imagery for mapping, monitoring, infrastructure planning, and geospatial analysis.

The CSDGM is an FGDC standard that ensures consistent spatial metadata documentation, improving geographic data sharing, discovery, and usability.

A Heat Map uses color gradients to visualize data intensity, density, or concentration across an area, making patterns and hotspots easy to identify.

A parameter that defines a specific zone within a map projection system, used to divide regions for accurate geographic positioning and coordinate mapping.

A file format defines how data is organized, stored, and interpreted in a file. Examples include DLG, DEM, and TIGER for geographic data.

Stores attribute information for a specific coverage feature class, including its properties, characteristics, and related metadata.

WorldView-2 is a high-resolution Earth observation satellite by Maxar, delivering imagery for mapping, environmental monitoring, and geospatial analysis.

Digital Orthophoto Quadrangle (DOQ): A geometrically corrected aerial image with map accuracy, combining photo detail and precise positioning for GIS and mapping.

Topographic maps use contour lines to show elevation, depicting hills, valleys, mountains, and other landforms on a flat, easy-to-read map.

Digitizing converts map features into digital X,Y coordinates by tracing points, lines, and polygons manually or through automated scanning technology.

A Small Unmanned Aircraft System (SUAS) is a lightweight drone for aerial mapping, surveying, inspection, and monitoring, delivering real-time data efficiently.

The X-axis is generally used to represent values along the horizontal direction of a graph or chart.

A Digital Elevation Model (DEM) is a raster-based digital representation of Earth's surface elevation, widely used in GIS, remote sensing, terrain analysis, and surface modeling.

A raster image is a digital representation of an image composed of a matrix of pixels arranged in rows and columns.

The National Elevation Dataset (NED), developed by the USGS, provides a consistent, high-quality elevation database by integrating the best U.S. elevation data.

DXF: A vector file format (ASCII or binary) for CAD data exchange, enabling AutoCAD interoperability and conversion to GIS coverages.

A GPS constellation is a group of satellites used for positioning. At least 3 satellites provide a 2D fix, while 4 or more are needed for a 3D fix.

The Y-axis represents values plotted in the vertical direction.

A data dictionary defines database fields, formats, and values. In GIS/GPS projects, it standardizes geographic features and attributes for consistent, accurate data collection.

The contour interval is a fixed elevation difference between contour lines, chosen based on terrain and the level of detail needed in a map.

Azimuth is the horizontal angle of a direction, measured clockwise in degrees from the positive y-axis (north), like a compass bearing.

KML (Keyhole Markup Language) is an XML-based format for displaying and sharing geographic data, maps, placemarks, and 3D content in mapping applications.

A lightweight, text-based format used for storing and exchanging data between applications and systems.

QuickBird (2001–2015) delivered high-resolution satellite imagery, enabling detailed Earth observation, mapping, monitoring and analysis.

Maxar delivers high-resolution satellite imagery and geospatial intelligence for mapping, urban planning, disaster response, environmental monitoring, and infrastructure.

The process of identifying a location using one or more attributes from a base layer.

Interpolation is the process of estimating the value of a surface at an unsampled location using the known values of surrounding points.

Map zoom level controls how much of a map you see. Zooming in reveals more detail in a smaller area, while zooming out shows a larger area with less detail.

An attribute table in GIS stores information about geographic features, with rows representing features and columns containing their attributes.

WorldView-1, launched in 2007 and operated by Maxar, captures high-resolution Earth imagery for mapping, monitoring, and geospatial analysis.

Building Information Modeling (BIM) is a smart digital process that helps architects, engineers, and contractors collaborate on design, construction, and operations.

An affordable, high-performance mapping solution that enables GIS professionals to visualize, edit, interpret, and analyze geospatial data with ease.

Altitude is measured relative to mean sea level (MSL) or the reference ellipsoid (HAE), depending on the system used.

A coverage is a ARC/INFO vector data structure storing geographic features (arcs, nodes, polygons, labels) with attribute tables for one theme like roads, soils

Terrestrial mapping uses ground surveys and sensing to create accurate maps of terrain and features for planning, analysis, and land management.

Bathymetric LiDAR maps underwater terrain by using laser pulses that penetrate water and reflect from the seabed or riverbed to measure depth accurately.

Lines represent geographic features that are too narrow to be depicted as areas at a given map scale, such as contours, street centerlines, and streams.

National Spatial Data Infrastructure (NSDI) enables standardized collection, sharing, and management of geospatial data for better planning and decisions.

The Z-axis represents values along the depth direction in a 3D coordinate system.

USGS provides Digital Orthophoto Quarter Quadrangles (DOQQs) for easier use and storage. Four DOQQs combine to form one full DOQ quadrangle.

Minimum bounding rectangle of a grid or coverage defined by (xmin, ymin) and (xmax, ymax); all points lie within this boundary.

A GIS database stores and manages spatial data (points, lines, polygons) and their associated attributes as a single, organized data unit.

Drone photogrammetry converts overlapping aerial images into accurate 3D models of terrain, buildings and structures for surveying, planning and inspection.

A geodetic datum is a mathematical model that defines Earth's shape, size, and reference points for accurate mapping and global positioning.

Drone Façade Inspection uses UAVs to safely inspect building exteriors, capturing high-resolution images to detect defects, damage, and maintenance needs.

Vector files store geographic or spatial data as points, lines, and polygons.

The ratio between a distance or area on a map and the corresponding distance or area on the ground.

A six-digit hydrologic unit defined by the USGS that serves as a standardized geographic boundary for data management and analysis.

A Digital Terrain Model (DTM) represents the Earth's bare surface elevation, excluding buildings and vegetation, for terrain, hydrology, and flood analysis.

eVTOL aircraft take off and land vertically, enabling electric air taxis without runways and making urban travel faster, cleaner, and more efficient.

An image band is a layer in a multispectral image that captures data from a specific wavelength range, aiding mapping, remote sensing, and monitoring.

A line connecting points of equal value on a surface.

Powerline mapping creates detailed maps of power lines and utility assets, helping utilities manage infrastructure, plan maintenance and ensure reliability.

A Common Land Unit (CLU) is the smallest mapped land parcel with fixed boundaries, sharing common ownership, management, use, or client association.

Latitude measures a location's north or south position from the equator, with north as positive and south as negative.

The Federal Aviation Administration (FAA) is the U.S. agency responsible for regulating civil aviation, ensuring air safety, and managing air traffic.

GIS uses time as the fourth dimension, adding change over time to 2D coordinates and 3D elevation for dynamic spatial analysis and visualization.

Geometry studies points, lines, shapes, and surfaces. In GIS, it defines the spatial shape, size, and location of geographic features on a map.

The area of a geographic feature is the measurement of its surface size, expressed in square units such as m², km², or acres.

A coordinate is a set of values, such as (x, y) in a two-dimensional system or (x, y, z) in a three-dimensional system, used to define a specific location.

LiDAR uses laser pulses to measure distances and create accurate 3D point cloud models of terrain, vegetation, buildings, and ocean floors.

An image is a raster-based visual representation, such as a photo or satellite image, storing pixel values that represent reflected light or energy.

FIPS sets U.S. standards for computer systems. FIPS 173 preceded SDTS, defining digital mapping terms, accuracy, state/country codes, and POSIX.1 compliance.

BVLOS (Beyond Visual Line of Sight) refers to the operation of drones or UAVs beyond the operator’s direct visual range.

In airborne LiDAR, a laser scanner on an aircraft sends pulses to the ground and records reflections to generate detailed 3D terrain point clouds.

Editing process ensuring features across adjacent map sheets align accurately by matching shared boundaries using links for consistent edge locations.

A data type specifies the type of values a column or variable can hold, such as text, integers (whole numbers), or floating-point (decimal) values.

NASA's Earth Observation System (EOS) monitors Earth's changes using satellites, generating petabytes of data for environmental research and analysis.

ArcGIS is a GIS platform by ESRI that enables users to create, manage, analyze, and share geographic data, maps, and spatial insights.

Planimetric maps are 2D maps showing the horizontal locations of natural and man-made features like roads, buildings, rivers, and boundaries, without elevation.

The Equator is the reference parallel at 0° latitude, dividing Earth into the Northern and Southern Hemispheres.

Drone wind turbine inspections are a safe, fast, cost-effective way to assess turbines, reduce risk, cut costs, and improve maintenance. with high accuracy.

An orthomosaic is a high-resolution, georeferenced map made by stitching orthorectified aerial or satellite images into one accurate, distortion-free view.

Data Conversion: Converting geographic data into compatible formats (e.g., DLG, TIGER, DXF, DEM) so data from multiple sources can be integrated and analyzed in GIS.

A polygon is a multi-sided shape used on a map to represent an area. Polygons contain attributes that describe the geographic feature or region they represent.

A map that displays key geographic features, such as roads, rivers, and landmarks, to provide spatial context.

An ellipsoid is a 3D mathematical model of Earth, with elliptical cross-sections, used in GIS and mapping to represent Earth's shape more accurately than a sphere.

A single geographic coordinate (x, y) used to represent a feature that is too small to be displayed as a line or polygon at a given map scale.