Two RIEGL LiDAR scanners, one single point of truth

Land Surveys and the team at CR Kennedy prove how seamlessly MLS and UAV LiDAR can work together when you have the right package.

From an article in Spatial Source.

It’s a typically scalding day just outside Perth, but this Land Surveys crew barely break a sweat as they crank up the air con in the firm’s signature Hilux. The new RIEGL VMQ-1HA mobile mapping system on the roof is doing much of the hard work as they cruise the highway at 60 km/h.

But there’s no escape from the heat for their workmates that are stuck outside in order to maintain line of sight with their UAV outfitted with RIEGL’s miniVUX-1UAV LiDAR scanner.

These guys are just thankful for the fact that the state-of-the-art scanner and DJI M600 UAV make quick work of the job, and they wrap up the scanning – and escape the sun – after just a few short hours.

While these two crews had vastly different experiences in the field, the data Land Surveys collected with their complementary pair of RIEGL scanners will be seamlessly weaved together to form a single point of truth that the client’s engineers have come to expect from the firm.

The client brought in Land Surveys to capture 16 kilometres of semi-rural highway to facilitate road and lighting upgrades and a new roundabout on one stretch of the road. While the initial request was for mobile laser scanning data, it soon became clear that the engineers would need some additional information on the proposed intersection.

Unfortunately, the surrounding land was all privately held, and using terrestrial means would have involved letter drops and otherwise engaging the landowners to organise access – expensive, complicated and time-consuming work.

But the client knows that the Land Surveys team invested in two powerful RIEGL scanners that prepared the firm for just this sort of situation.

“Because the client was aware that we have two RIEGL lidar scanners,  the RIEGL MLS and the RIEGL UAV system, they tend to call on us when they need sort of an infill on top of the mobile laser scanning data,” says Matt Chapman, National MLS Coordinator with Land Surveys.

“So we were asked to basically go out and capture the area with the UAV LiDAR and then use the previously captured mobile laser scanning data to control the UAV LiDAR and to merge those datasets together, to deliver a complete dataset that will look seamless for the client.”

Land Surveys Chief Technical Officer Bruce Baker says it didn’t take long to see the benefit of having both of these scanning technologies working in tandem.

For the complete article CLICK HERE.

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