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The Dynascan 3D mobile mapping system from Measurement Devices, a subsidiary of Renishaw, can be mounted on vehicles and vessels and is designed to capture the 3D light detection and ranging (LIDAR) data of topography and structures at speeds of up to 70km/h.

The system’s built-in real-time kinematic (RTK) differential GPS system employs GNSS carrier-phase differential techniques to provide real-time, centimetre-level, three-dimensional positioning.

RTK correction signals are generally derived from a local RTK base station. The computed correction signals are then transmitted to the mobile GNSS receivers on the Dynascan over an ultra-high-frequency radio link. A high-grade inertial navigation system consisting of gyroscopes and accelerometers is also used to compensate for the motion, pitch and roll of the vehicle.

The resulting geo-referenced point-cloud data can be integrated with other static laser scanning data, survey data and photogrammetry to produce a 3D survey of a site, set or complete landscape.

Key benefits

  • The Dynascan system’s 360º laser is capable of scanning up to 72,000 points a second to an accuracy level of ±10mm and with a range of up to 250m.
  • The built-in RTK differential GPS system ensures that accurate 3D positioning is achieved.
  • The small size and compact nature of the Dynascan system means it can be quickly mobilised to sets and shoots anywhere in the world.
  • The rugged nature of the system means that it can be mounted on off-road vehicles and used in harsh and inaccessible terrain.
  • The Dynascan system has already been used to capture high-resolution digital terrain models for visual special effects (VFX) on a number of high-profile movies and to survey a number of racing circuits for the gaming industry.
  • The speed and efficiency of mobile 3D data capture techniques is said to offer new possibilities for pre-visualisation and post-production VFX.

Renishaw

A world leader in engineering technologies, Renishaw’s core skills in measurement and precision machining serve sectors as diverse as dimensional metrology, spectroscopy, machine calibration, motion control, dentistry and surgical robotics.

A world leader in engineering technologies, Renishaw’s core skills in measurement and precision machining serve sectors as diverse as dimensional metrology, spectroscopy, machine calibration, motion control, dentistry and surgical robotics.

Sensors for co-ordinate measuring machines (CMMs) are an industry standard, from basic touch-trigger probes through to automated stylus and probe changers, motorised indexing probe heads, and revolutionary five-axis measurement systems.

Machine probes for CNC machine tools allow automated tool setting, workpiece set-up, in-cycle gauging and part inspection. Products include laser tool setters, contact tool setters, tool breakage detectors, touch probes and high accuracy inspection probes.

For motion control, Renishaw supplies laser encoders, optical linear encoders, optical angle encoders, optical rotary encoders, magnetic rotary encoders, magnetic chip encoders and magnetic linear encoders.

To analyse the static and dynamic performance of position-critical motion systems, Renishaw’s laser interferometer and environmental compensation system offers a linear measurement accuracy of 0.5 ppm, readings of up to 50 kHz and a linear measurement speed of up to 4 m/s, with a linear resolution of 1nm.

Renishaw’s Raman spectroscopy products exploit the Raman effect to identify and characterise the chemistry and structure of materials. A diverse range of analytical applications include pharmaceutical, forensic science, nanotechnology, biomedical and semiconductors.

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