January-February 2018

GIM0118 cover

The January-February issue of ‘GIM International’ can best be described as a peek into the future. As point clouds are increasingly becoming the leading source of geodata for creating 3D maps, this edition contains an article that evaluates Lidar and photogrammetric point clouds captured from unmanned airborne systems. Another highlight is the joint interview featuring Ted Lamboo, Bentley Systems, and Ewout Korpershoek, Topcon Positioning Systems, in which they discuss the close partnership between their two companies. Zooming in on this cooperation teaches us a lot about the dynamics in today’s geospatial business.

Integrating the 'Constructioneering' Workflow Together

Interview Ted Lamboo (Bentley) and Ewout Korpershoek (Topcon)Digitalisation and new technologies with the ability to revolutionise the geospatial industry are creating a new playing field for mapping and surveying professionals. This evolving landscape is also reshaping the industry, with new entrants gaining ground and established players seeking to collaborate and combine their specialist areas of expertise in order to offer a total solution. GIM International’s Wim van Wegen met with Ted Lamboo, senior vice president of strategic partners at Bentley Systems, and Ewout Korpershoek, executive vice president at Topcon Positioning Systems, at Bentley’s 2017 Year in Infrastructure Conference in Singapore. They discussed the partnership between the companies, their views on where the industry is heading and much more.

Medium-format Cameras

Field test of the Phase one iXU-RS1000 cameraThe author of this article investigated the suitability of the Phase One iXU-RS1000 camera for high-accuracy mapping and found this medium-format camera to be a metric camera with stable and clearly definable interior orientation parameters, producing images of high geometric and radiometric quality.


Community-scale assessment of energy performanceBIM is essential for the energy consultants and urban planners to prepare the building-related data, which can be combined with simulation software to predict the effect of every measure within or amongst buildings. The urban infrastructure data for this energy simulation comes from the local GIS databases. 

Comparing Lidar and Photogrammetric Point Clouds

Point clouds for inspecting flood control structuresAirborne Lidar and photogrammetry are both viable methods for capturing point clouds for 3D modelling of man-made hard structures. Although both methods produce point clouds, the manner of capturing data differs in many ways, resulting in point clouds with differing characteristics. In this article, the author evaluates Lidar and photogrammetric point clouds captured from unmanned airborne systems for inspecting a flood control structure. 

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