Laser Scanning in Geology
A Tool for Geologists- Applications in Mines and Caves

  • Tunnel Documentation
  • Mine and Quarry Documentation
  • Documentation and monitoring of large construction projects (Roads, Bridges, Junctions, Dams, etc.)
  • Cave Documentation
  • Documentation of difficult to access precipices with negative slopes

Detailed documentation with extremely high accuracy:

  • Watercourses
  • Cracks in Rock mass
  • Negative slopes
  • Large Rock Formations
  • Slidden rock fragments of past rockfalls
  • Hanging or potentially hanging rock fragments
  • Surfaces of detached fragments
  • Heterogeneity on large and high-altitude steep precipices
  • All of the above are documented with highly dense point clouds (accuracy that ranges from 2mm to 4 cm)

Final products

The production of point cloud is the first product of terrestrial scanning. Subsequently using suitable software, the point clouds are processed to produce a myriad of products:

  • 3D Point clouds in Real Color with georeferencing

  • Extraction of 3D Models/DTM/DSM

  • Extraction of 2D Drawings: Horizontal sections, surveys, Vertical Sections

  • Video Walk Through- Fly through

  • Orthoimages- Measurable Photos

  • Panoramic Images – Virtual Navigation accessed online

3D documentation process for geological studies

The 3D Laser scanner scans the ground surface and the resulting data is then transported to a computer as a point cloud. The technology is based on the dense acquisition of millions of points (1.000.000 points/sec).

The final product is a point cloud, in which every point contains xyz coordinates in space. Simultaneously, every point contains color information which is corresponded to a pixel which is acquired from the built-in camera of the scanning system. Thus, millions of points-pixels are recorded in 3D space.

The high density of the points combined with the color information contained in each approach what is known as “virtual reality”.

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