Drone photogrammetry allows to generate a 3D model of land or a building with precise geolocalisation.

It is used in many fields, it allows to measure distances and to calculate surfaces or volumes directly on the 3D model.

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Modélisation 3D Chateau
Modélisation 3D Chateau

Drone photogrammetry

120 Sites modelled since 2012

Our teams have worked on modelling of different subjects such as industrial sites, heritage sites, historic sites, quarries, stock of materials… These different aerial modelling frameworks have enriched our expertise and ensure precise 3D reconstructions. Your renderings will be viewable and usable directly on our dedicated web platform.


years of experience

Teams trained and qualified in expert modelling software

Our expertise

The different application areas of aerial photogrammetry


Drone photogrammetry allows to reconstruct a very precise 3D model of an extended terrain, an object or a building. Thanks to the assembly of high-definition images and geolocalisation, it allows a faithful reconstruction of reality. The model allows to carry out very precise measurements and georeferencing permits the integration into a GIS. This type of 3-dimensional mapping is of interest to many fields: archaeology, geology, construction, public works, industry, managers of monuments or natural sites, etc.
Calcul VolumeCalcul Volume


Thanks to its level of precision, aerial photogrammetry allows very reliable surface and volume calculations.

Furthermore, this technique is often used in the context of mining and quarrying to inventory and monitor stocks. Earthmoving companies use it regularly to monitor construction sites and assess cuttings or embankments.


Drone photogrammetry allows to perform 3-dimensional thermal modelling of a building or an industrial installation. It offers a more precise vision of problems compared to traditional thermal inspection. It also allows to precisely assess the maintenance to be carried out: materials and operations required, time, etc.


Drone modelling process



Characterisation of your expectations related to the accuracy of the model.

On-site capture

Creation of a secure area, flight plan, photogrammetry.


Exploitation of renderings

Exchange on the use of renderings. Visualisation on our dedicated web platform.
Déroulement Modélisation Drone

High-definition shots

Drone photogrammetry is a reconstruction of objects or terrain in 3D. It is made from hundreds or even thousands of high-definition shots at low altitude and from several viewing angles. After correction by software, these images allow to faithfully reconstruct reality in computer-generated image.

Questions about your subject to model?

The laser: a complementary tool at the service of 3D modelling In some complex cases, drone photogrammetry is not the most suitable technique for obtaining a model that is faithful to reality. This is the case when a dense vegetation cover covers the ground. Its presence can distort a topographic profile. The drone then embeds a laser scanner, the LIDAR, which works by echolocation like a sonar. It allows topographic surveys to be carried out very quickly and with extreme precision.

What is drone photogrammetry ?

Increased accuracy thanks to geolocalisation

The use of a GPS RTK allows to georeference each photographed pixel in relation to fixed points whose coordinates are determined with extreme precision. Reality is first represented in the form of a very dense cloud of points, whose coordinates are calculated with respect to these fixed points. After processing by a very powerful specialised software, we obtain a very realistic 3D modelling with high precision.

  • 520 to 50 million pixel sensor
  • 5Rainproof IP43-certified drone
  • 5Flight time between 20 and 45 minutes
An easy-to-use 3D model We have developed a web application to view the renderings of drone photogrammetry operations without specific software. A simple internet link gives you access to the 3D model. Built-in tools facilitate measurements. It is also possible to reconstruct topographic profiles.

  • 5Secure web platform
  • 5Sharing renderings by simple link
  • 5GSD up to 0.1cm/px
  • 5Thermal conductivity


Aerial photogrammetry 

Frequently Asked Questions

What is photogrammetry ?

Photogrammetry is an effective, fast and realistic method for creating textured 3D models of objects or existing infrastructure through a series of high-resolution photographs. This technology is used in many sectors such as construction, GEOLOGY, HERITAGE or ARCHEOLOGY. Schéma évolutif d'une modélisation 3D 3D modelling by photogrammetry can be qualified as “3D Capture” and allows to identify a three-dimensional structure, a surface condition or a disaster site. Our drone capture process opens up new possibilities for many industries. Drone photogrammetry is an innovative and powerful tool for study, analysis and communication.

What applications for photogrammetry ?

In partnership with 3D modellers, we combine drone technology with this 3D reconstruction process and have developed a capture and processing methodology allowing us to model large buildings or large infrastructures.

Fonctionnement des prises de vues par drone pour une modélisation 3D

We are already working with several architectural firms. Drone photogrammetry has many applications. We develop with our customers solutions adapted to each project.


  • INHERITANCE : Interactive models of buildings, renovations, modelling of cornices, statues.
  • CONSTRUCTION : Cubages, land surveys, land elevation models.
  • GEOLOGY : Textured modelling of reliefs, cliffs, crevices.
  • ARCHEOLOGY : 3D modelling by drone in preventive archaeology.

How is the data acquisition carried out?

Modélisation en nuage de point du pied de la statue de la madone During data acquisition, capture is done from pre-determined angles. Our software solution uses the parallax between these different points of view to reconstruct the geometry of the volume studied, and a texturisation function allows a “blending” between the photos to produce a real rendering. Modélisation en 3D de stockage de matériaux Our 3D drone modelling technique is in a way a “3D photograph” of your installation. Exemple de modélisation 3D sur un complexe de plusieurs bâtiments The method of acquiring a sequence of photographs for photogrammetric modelling requires practice and a real methodology. We use this or that flight and triggering scenario depending on the morphology of the volume to model, and we adapt the equipment used. Our software solution first allows us to position the views in space, and to perform a point correlation between the different photographs. The three-dimensional modeling is carried out through drone-assisted photogrammetry, a tailor-made planned flight path, and 360° coverage of the monument, building or space of implantation.

How is the data processed and for what rendering?

Installation GPS des points de références The resulting mesh is then textured and corrected by our 3D modellers. We then export it in different formats depending on the intended use: Autodesk, Collada, VRML, Obj, RZI, IPM, etc… This model can then be scaled 1:1. It will then be usable for direct measurement: dimensions, surfaces and volumes. We support you if you wish to perform a calculation of cubatures, an evaluation of volumes of cuttings, embankments or if you wish to obtain the level curves of a land. Différentes étapes de la modélisation 3D sur un chateau For an aerial inspection by drone of a building or surface (e.g., façade under renovation), the choice of 3D allows to present the planned works very effectively, for example. For a “visual” application of your 3D drone modeling, we offer different types of renderings:
  • Integration of the model on your website
  • Video animation integrating the model
3D drone modeling also allows the integration of a model in the real environment of your choice (urban landscape, archaeological ruins, etc.). Below are examples of 3D models made during different projects. This selection illustrates different possible resolutions and scales, the quality of the renderings and the navigation latitude offered by the 3D modelling.  
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