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3D ModelsOrthophotoBIM-Ready

Photogrammetry &
Orthophoto

3D models, orthophotos and terrain models built from overlapping aerial imagery, used for construction documentation, progress reporting, volumetric calculations and BIM integration.

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What We Do

From Aerial Photos to Engineering Datasets

Photogrammetry turns overlapping drone imagery into accurate 3D geometry: orthophotos, terrain models, point clouds and BIM-ready meshes that open directly in Revit, Navisworks or your GIS stack.

RTK GNSS combined with ground control points delivers horizontal accuracy of 1–3 cm and vertical accuracy of 2–5 cm.

Deliverables land in the formats your team already uses (GeoTIFF, LAS, IFC, RVT, FBX) and integrate directly with Revit, Navisworks, Plant 3D and GIS workflows.

Often combined with LiDAR in a single mobilisation. Photogrammetry adds photo-realistic texture on top of LiDAR's geometric precision.

We operate under EASA Specific Category and BVLOS approval, so multi-site campaigns don't need separate authorisation for every flight.

Drone-derived orthophoto — true-scale aerial map produced from overlapping UAV imagery
Key Benefits

Why Drone Photogrammetry

±1-3cm

Survey Accuracy

RTK GNSS plus ground control points hold construction-grade accuracy across the whole survey area.

Photo

Photo-Realistic

Unlike LiDAR-only models, photogrammetry produces fully textured meshes that look like the actual structure, not just its shape.

Fast

Rapid Capture

A 50,000 m² site can be flown in 30-60 minutes; orthophotos and models follow after processing.

BIM

BIM Ready

Exports directly to RVT, IFC and RCS, so there's no third-party conversion step in your pipeline.

Volume

Volumetric Calculations

Stockpile, cut/fill and earthworks volumes calculated to ±2-3%, checkable against the survey baseline.

Twin

Digital Twin Foundation

Photogrammetry models make up the visual layer of a digital twin, paired with LiDAR and IoT data for the full picture of an asset.

Value Delivered

What clients save

50 000 m² flown in a single mission
One site visit
Minimal disruption on site
±2-3% volumetric accuracy
Verifiable against survey
Audit-ready for inventory
Direct to BIM
RVT / IFC / RCS export
No third-party conversion

Indicative figures based on typical engagements — actuals depend on scope, asset and access constraints.

Applications

Where We Deploy Photogrammetry

We run photogrammetry surveys across construction, offshore, civil infrastructure and industrial sites, wherever accurate 3D geometry is worth having.

01

Construction Progress Monitoring

Weekly or monthly aerial captures track how a build is progressing. Orthophotos overlay onto design drawings to check the schedule and catch deviations early.

02

Volumetric Surveys

Volume calculations for stockpiles, aggregate, ore and waste, useful for material handling and quarry operations, accurate to within ±2-3%.

03

As-Built Documentation

Complete 3D as-built records of completed structures, ready for handover, FM and lifecycle management.

04

BIM & Reality Capture

Point clouds and meshes imported directly into Autodesk Revit, Navisworks and Plant 3D for clash detection and brownfield design.

05

Terrain & DTM

Digital terrain and surface models for civil engineering, road design, drainage analysis and site planning.

06

Combined LiDAR + Photogrammetry

One mobilisation captures both: LiDAR handles geometric precision, photogrammetry adds the photo-realistic texture and visualisation.

Common Questions

Photogrammetry FAQ

How does photogrammetry compare to LiDAR?

LiDAR uses laser pulses to measure distance directly and works in low light and through vegetation. Photogrammetry derives geometry from overlapping photographs instead, producing photo-realistic, colour-textured models at a lower cost. Many surveys combine both. See our LiDAR & 3D Scanning page.

What accuracy can I expect?

With RTK GNSS and properly placed ground control points, horizontal accuracy is typically 1–3 cm and vertical 2–5 cm. Higher accuracy is achievable in specific zones with denser GCPs.

What deliverables can you produce?

Orthomosaic (GeoTIFF), digital surface model (DSM), digital terrain model (DTM), 3D textured mesh (OBJ/FBX/GLB), point cloud (LAS/LAZ/E57), contour lines, and volumetric calculations. Direct export to BIM formats (IFC, RVT, RCS) for your engineering pipeline.

How long does a typical survey take?

A 50,000 m² site typically flies in 30-60 minutes on site. Orthophotos, 3D models and BIM-ready deliverables follow after processing; we agree the delivery schedule per project based on scope and complexity.

Choosing a Method

Photogrammetry vs. LiDAR

Comparison of photo-based 3D capture and laser scanning across accuracy, conditions and output formats.
MetricLiDARPhotogrammetry
MethodLaser pulses measure distance directlyOverlapping photos compute geometry
Accuracy, terrestrial±3 mm—
Accuracy, drone2–5 cm1–3 cm horizontal, 2–5 cm vertical (RTK GNSS + ground control points)
LightingWorks in darknessRequires daylight
Through vegetationYesNo
TextureGeometry onlyPhotorealistic mesh
Volume calculationYesYes, ±2–3%
Coverage rate—50,000 m² in 30–60 minutes
FormatsE57, LAS, RCP, OBJ, FBX, RVT, IFCGeoTIFF, LAS/LAZ, E57, OBJ/FBX/GLB, DSM, DTM
Best forEngineering precision, clash detection, deformationVisualization, progress tracking, as-built, digital twin

Most projects use both. LiDAR gives the geometric precision construction and engineering work needs, and photogrammetry adds a photorealistic layer on top — Osprey captures both in a single mobilisation.

Need a 3D survey or BIM-ready dataset?

Tell us about your site, accuracy needs and target software pipeline. We'll scope the survey and recommend the right combination of photogrammetry and LiDAR.

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