Drone and photogrammetry

3D DRONE MODELLING

Three-dimensional representation, virtual capture of your field of activity.

3D drone modelling

3D digital model

3D modeling by drone consists of representing a building, a piece of land or a particular object, in the form of a 3-dimensional digital model, from images captured by a drone. This very precise virtual reconstruction of reality is used in many fields of activity.

3D modelling methodology

How do you do 3D modeling by drone?

Modeling by aerial photogrammetry

3D modeling by drone begins by flying over the area or object to be modeled at low altitude. The drone’s high-definition camera takes multiple shots from different angles. All are geolocalised to obtain a scale representation which will then allow precise measurements to be taken, and the calculation of areas and volumes.

Following this image capture, software processing allows to model the subject in a dense cloud of points. For more details and realism, work is then done to improve the mesh between the points and texturize the whole. At the end of these operations, we obtain an ultra realistic model endowed with a very high definition.

The laser as an additional tool !

The laser used from the ground as complementary to photogrammetry allows to refine the precision of the data by carrying out additional measurements on certain parts of a building.

A LIDAR can also be embedded on the drone to capture certain subjects.

We adapt our working method to the subject, between photogrammetry and lasergrammetry, to provide the highest quality of rendering.

We then export it to a hosting platform directly accessible via an internet link and equipped with tools to manipulate it.

Application of 3D modeling

The many uses of aerial 3D modeling

SPATIAL PLANNING

Private or public project owners use 3D modeling by drone to generate 3-dimensional maps of vast territories and integrate new developments, buildings or infrastructures.

PUBLIC WORKS

Aerial 3D modeling has become essential for large-scale construction sites. It allows to establish topographical surveys and to precisely calculate the volumes of materials to be cleared or brought back.

INFRASTRUCTURE MANAGEMENT AND MAINTENANCE

A three-dimensional model allows to regularly check structures that are difficult to access, such as dams, or very extensive structures, such as roads and railways. It allows to detect anomalies and predict as precisely as possible, thanks to precise measurements, the extent and cost of the maintenance work to be carried out.

HERITAGE MANAGEMENT AND ENHANCEMENT

3D drone modeling of monuments allows to monitor the evolution of their condition and plan repair or maintenance work ahead.

SCIENTIFIC USES

For archaeologists and geologists, 3D modeling by drone is used to reconstruct a geological section or an archaeological excavation area to make observations and measurements. It is also used in building archeology to establish facade surveys and document the construction phases of a building.

RENOVATION OF BUILDINGS

The use of aerial modeling in the building allows to accurately estimate renovation work : quantities of materials, cost and scale of operations. But it is also used to ensure the feasibility of extending a building. It allows to check the dimensional aspect, to ensure the integration in the environment and to produce plans for the administrative authorisations.

MANAGEMENT OF VERY EXTENDED DOMAINS

3D modeling by drone of a golf course or a very large campsite can facilitate management. In particular, it allows to follow the evolution of the vegetation more easily and to rationalise the operations of landscape maintenance.

Our expertise in drone photogrammetry also extends to other areas of application :

The cubature – Stock status

Thermal 3D modeling

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