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Drone, 3D scanning and as-built surveys

Orthophotos and restitution plans

An orthophoto is a corrected aerial image on which measurements can be taken as on a plan. Restitution extracts the buildings, roads and boundaries from it for town planning documents.

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Aerial view of a subdivision taken by drone
Aerial view of a subdivision taken by drone

For whom

  • Urban agencies and municipalities.
  • Planning consultancies.
  • Large landowners.
Flight strips, image overlap and ground control points
Flight strips, image overlap and ground control points (diagram)

Our work

  1. Aerial photography. Parallel strips with overlap, at the target scale.
  2. Ground control points. Measured by GNSS.
  3. Orthophoto. Aerial triangulation and orthomosaic.
  4. Restitution. Buildings, roads, boundaries, vegetation, at the required scale.

Examples of assignments

  • Urban centre for a town planning document
  • 1:2000 restitution of a municipality
  • Aerial monitoring of a construction site

What you receive

  • Orthophotos (GeoTIFF, ECW)
  • Restitution plans in DWG and PDF
  • Check report

Reference framework

  • Client's specifications
  • Tolerances of the ONIGT (National Order of Surveying Engineers)

Where we work

Based in Casablanca (Aïn Sebaâ), the firm carries out this service throughout Morocco: Greater Casablanca, Rabat-Salé-Témara, Fès, Tangier, Agadir, the Oriental and the South. Its survey crews travel to the site for the duration of the assignment.

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Projects of the firm

Frequently asked questions

Which scale?

Commonly 1:2000, reduced to 1:5000 for an overall view.