3DMaps blog — 3D scanning, photogrammetry, topography and cadastre
Articles on 3D scanning, photogrammetry, topography and cadastre.
Structural assessment with thermal cameras: detecting problems in buildings
How thermal cameras help in the structural assessment of buildings: hot spots, insulation, water infiltration, concrete, electrical systems and roofs.
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Thermal inspections in the PV industry for energy efficiency
How drone-mounted thermal inspections optimise the performance of photovoltaic parks: defect detection, safety, and reduced maintenance costs.
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Thermal-imaging drones for photovoltaic parks: detecting defects
What defects appear on PV panels and how thermal-imaging drones spot them quickly — saving time and cost while maximising energy output.
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Thermal-imaging drones: the most important practical uses
Main applications of thermal-imaging drones: security, search and rescue, infrastructure monitoring, agriculture, industrial inspections and environment.
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LiDAR and the EU Floods Directive: mapping high-risk areas
How airborne LiDAR and mobile scanning support the EU Floods Directive: accurate digital terrain models, risk maps and prevention of flood damage.
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Topographic surveys in construction: purpose, equipment and required documents
What a topographic survey is, the equipment it uses (RTK GPS, 3D scanner, drone), the required documents and why it is the first mandatory step in any construction project.
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Volumetric measurements with drones and LiDAR: precise volume calculations
How drones and LiDAR technology transform volumetric calculations in quarries, stockpiles and construction sites: dense point clouds, high accuracy and lower cost than traditional methods.
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3D scanning and photogrammetric drones in urban planning
How 3D scanning and photogrammetric drones support efficient, sustainable urban planning through accurate 3D models of existing land and buildings.
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Tree inventory with photogrammetric drones: managing urban green spaces
How photogrammetric drones help map, count and inventory the trees in urban green spaces for more efficient and sustainable management.
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Orthomosaics and orthorectification in drone photogrammetry: a practical guide
What an orthomosaic is, how it is produced through drone photogrammetry, what orthorectification means and the benefits an orthophoto brings in mapping and GIS.
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Photogrammetry for car-accident documentation: a fast 3D scene
How photogrammetry from drone and ground photographs documents a road-accident scene: point cloud, 3D model, CAD sketch, precise distances and angles.
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Drone photogrammetry for environmental issues and disasters
How drone photogrammetry supports the assessment of environmental disasters — floods, landslides, pollution — and the monitoring of their evolution over time.
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Topographic studies: what they are and when they are needed
What topographic studies are, what information they provide and when they are required for building permits, cadastre and urban planning documentation.
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How a cadastre firm helps you: documentation and land registry
What cadastral documentation involves, the benefits it brings and why a specialist firm is needed when buying, selling or exchanging real estate.
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All about cadastre: stages, the cadastral expert and required documents
What cadastre is, the role of the cadastral expert, the stages of a cadastral job and the documents required for registering a property and the building in the land registry.
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Checking the load-bearing structure of a road bridge with photogrammetry
How photogrammetry and 3D technology are used to check the load-bearing structure of road bridges, and what the rehabilitation of a damaged bridge involves.
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Handheld SLAM 3D scanners on site: 7 advantages in construction
Why handheld and mobile SLAM-based 3D scanners deliver real advantages on site: continuous scanning, access to tight spaces, colour point clouds and minimal training.
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Mobile 3D scanning with SLAM algorithms: how it works without GPS
Why mobile mapping is so valuable and how the GeoSLAM handheld 3D scanner uses SLAM algorithms where GPS does not work — for example indoors.
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SLAM scanners: the next generation of mobile 3D scanning
How mobile and handheld SLAM-based 3D scanners, which do not depend on GPS, are changing scanning workflows in construction and engineering in the BIM era.
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3D laser scanning: how it works and where it is used
How 3D laser scanning works, the measurement principles used (TOF, triangulation, phase shift) and the fields where it is applied — from architecture to industry.
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UAV aerial photogrammetry: modern measurements from a drone
What UAV photogrammetry is, the services 3DMaps provides (contour-line plans, 3D models, volume calculation) and the equipment and software we use — GeoSLAM, Geomax, BricsCAD.
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As-built surveys from 3D scanning: faster and more accurate than the traditional method
Why as-built surveys produced through 3D scanning are faster and more accurate than the traditional method, and the benefits they bring in designing and refurbishing buildings.
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3D scanning of façades and buildings: as-built drawings, sections and 3D models
How 3D scanning of façades and buildings helps architects and engineers: 3D models, sections, façade drawings, verticality checks and condition assessment.
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How 3D scanning works: laser scanning and photogrammetry
What 3D scanning is and the two methods used — 3D laser scanning and photogrammetry — to digitally recreate, as a point cloud, the shape of an object or building.
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Benefits of 3D laser scanning in architecture and construction
How 3D laser scanning helps architecture and construction projects: accurate planning, real-time information, BIM/CAD export and fewer errors.
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